def run(self, arg_parser, parsed_args):
        """
        Module entry point

        :param arg_parser: Arguments parser instance
        :param parsed_args: Arguments parsed fir this module
        :type parsed_args: argparse.ArgumentParser.parse_args()
        """
        self.parsed_args = parsed_args
        self.logger.debug(self.parsed_args)
        self.arg_parser = arg_parser
        self.logger.debug("Module " + self.module_name + " started")
        if not self.check_args_integrity():
            self.arg_parser.print_help()
            return False
        if not self.check_env_vars():
            return False
        self.policies_folder = os.path.join(os.environ["VAULT_CONFIG"],
                                            "policies")
        if not os.path.isdir(self.policies_folder):
            os.mkdir(self.policies_folder)
        self.vault_client = VaultClient(
            self.base_logger,
            self.parsed_args.dry_run
        )
        self.vault_client.authenticate()
        if self.parsed_args.pull:
            self.logger.info("Pulling Policies from Vault")
            self.pull_policies()
        if self.parsed_args.push:
            self.logger.info("Pushing Policies to Vault")
            self.push_policies()
    def run(self, kwargs):
        """
        Module entry point

        :param kwargs: Arguments parsed
        :type kwargs: dict
        """
        # Convert kwargs to an Object with kwargs dict as class vars
        self.kwargs = namedtuple("KwArgs", kwargs.keys())(*kwargs.values())
        self.logger.debug("Module " + self.module_name + " started")
        if not self.check_args_integrity():
            self.subparser.print_help()
            return False
        missing_args = utils.keys_exists_in_dict(
            self.logger, dict(self.kwargs._asdict()),
            [{"key": "vault_addr", "exc": [None, '']},
             {"key": "vault_token", "exc": [None, False]},
             {"key": "vault_config", "exc": [None, False, '']}]
        )
        if len(missing_args):
            raise ValueError(
                "Following arguments are missing %s\n" % [
                    k['key'].replace("_", "-") for k in missing_args]
            )
        self.vault_client = VaultClient(
            self.base_logger,
            vault_addr=self.kwargs.vault_addr,
            dry=self.kwargs.dry_run,
            skip_tls=self.kwargs.skip_tls
        )
        self.vault_client.authenticate()
        if self.kwargs.push:
            self.secret_push()
Exemplo n.º 3
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    def run(self, arg_parser, parsed_args):
        """
        Module entry point

        :param parsed_args: Arguments parsed fir this module
        :type parsed_args: argparse.ArgumentParser.parse_args()
        :param arg_parser: Argument parser
        :type arg_parser: argparse.ArgumentParser
        """
        self.parsed_args = parsed_args
        self.arg_parser = arg_parser
        if not self.check_env_vars():
            return False
        self.logger.debug("Module " + self.module_name + " started")
        if self.parsed_args.push:
            self.logger.info("Pushing auth methods to Vault")
            if not self.check_env_vars():
                return False
            self.read_configuration()
            self.vault_client = VaultClient(self.base_logger,
                                            self.parsed_args.dry_run)
            self.vault_client.authenticate()
            self.get_distant_secrets_engines()
            self.get_local_secrets_engines()
            for secret_engine in self.local_secrets_engines:
                if secret_engine in self.distant_secrets_engines:
                    self.logger.debug("Auth method remaining unchanged " +
                                      str(secret_engine))
            self.disable_distant_secrets_engines()
            self.enable_distant_secrets_engines()
            self.get_distant_secrets_engines()
            self.logger.info("Secrets engines successfully pushed to Vault")
            self.logger.info("Tuning secrets engines")
            self.find_secrets_engines_to_tune()
            self.logger.info("Auth methods successfully tuned")
Exemplo n.º 4
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    def run(self, arg_parser, parsed_args):
        """
        Module entry point

        :param parsed_args: Arguments parsed fir this module
        :type parsed_args: argparse.ArgumentParser.parse_args()
        """
        self.parsed_args = parsed_args
        self.arg_parser = arg_parser
        self.logger.debug("Module " + self.module_name + " started")
        if self.parsed_args.push:
            if not self.check_env_vars():
                return False
            self.logger.info("Pushing audit devices configuration to Vault")
            self.read_configuration()
            self.vault_client = VaultClient(self.base_logger,
                                            self.parsed_args.dry_run)
            self.vault_client.authenticate()
            self.get_distant_audit_devices()
            self.get_local_audit_devices()
            for audit_device in self.local_audit_devices:
                if audit_device in self.distant_audit_devices:
                    self.logger.info("Audit device remaining unchanged " +
                                     str(audit_device))
            self.disable_distant_audit_devices()
            self.enable_distant_audit_devices()
            self.logger.info("Audit devices successfully pushed to Vault")
Exemplo n.º 5
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    def run(self, arg_parser, parsed_args):
        """
        Module entry point

        :param parsed_args: Arguments parsed fir this module
        :type parsed_args: argparse.ArgumentParser.parse_args()
        :param arg_parser: Argument parser
        :type arg_parser: argparse.ArgumentParser
        """
        self.parsed_args = parsed_args
        self.arg_parser = arg_parser
        self.logger.debug("Module " + self.module_name + " started")
        if self.parsed_args.push:
            self.logger.info("Pushing auth methods to Vault")
            if not self.check_env_vars():
                return False
            self.read_configuration()
            self.vault_client = VaultClient(
                self.base_logger,
                dry=self.parsed_args.dry_run,
                skip_tls=self.parsed_args.skip_tls
            )
            self.vault_client.authenticate()
            self.get_distant_auth_methods()
            self.get_local_auth_methods()
            for auth_method in self.local_auth_methods:
                if auth_method in self.distant_auth_methods:
                    self.logger.debug("Auth method remaining unchanged " +
                                      str(auth_method))
            self.disable_distant_auth_methods()
            self.enable_distant_auth_methods()
            self.get_distant_auth_methods()
            self.logger.info("Auth methods successfully pushed to Vault")
            self.logger.info("Tuning auth methods")
            self.find_auth_methods_to_tune()
            self.logger.info("Auth methods successfully tuned")
            self.logger.info("Setting up auth method specific configuration")
            for auth_method in self.local_auth_methods:
                auth_method_module = None
                if auth_method.auth_config:
                    if auth_method.type == "ldap":
                        auth_method_module = AuthMethodLDAP(
                            self.base_logger,
                            auth_method.path,
                            auth_method.auth_config,
                            self.vault_client
                        )
                    elif auth_method.type == "approle":
                        auth_method_module = AuthMethodAppRole(
                            self.base_logger,
                            auth_method.path,
                            auth_method.auth_config,
                            self.vault_client
                        )
                if auth_method_module:
                    auth_method_module.auth_method_configuration()
                else:
                    self.logger.debug("No specific auth method configuration")
            self.logger.info("Auth method specific configuration OK")
Exemplo n.º 6
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    def run(self, arg_parser, parsed_args):
        """
        Module entry point

        :param arg_parser: Arguments parser instance
        :param parsed_args: Arguments parsed fir this module
        :type parsed_args: argparse.ArgumentParser.parse_args()
        """
        self.parsed_args = parsed_args
        self.arg_parser = arg_parser
        self.logger.debug("Module " + self.module_name + " started")
        if not self.check_args_integrity():
            self.subparser.print_help()
            return False
        if not self.check_env_vars():
            return False
        self.policies_folder = os.path.join(os.environ["VAULT_CONFIG"],
                                            "policies")
        self.user_policies_folder = os.path.join(self.policies_folder, "user")
        self.group_policies_folder = os.path.join(self.policies_folder,
                                                  "group")
        self.group_policies_to_create = []
        self.user_policies_to_create = []
        if not self.read_configuration() or not self.read_ldap_configuration():
            return False
        self.vault_client = VaultClient(self.base_logger,
                                        dry=self.parsed_args.dry_run,
                                        skip_tls=self.parsed_args.skip_tls)
        self.vault_client.authenticate()
        if not self.get_ldap_data():
            return False
        if self.parsed_args.list_groups:
            self.list_ldap_groups()
            return True
        if self.parsed_args.create_policies:
            self.logger.info("Creating LDAP policies")
            self.create_groups_policies()
            self.create_users_policies()
            self.deleting_previous_policies()
        if self.parsed_args.manage_ldap_groups:
            self.logger.info("Managing groups in Vault LDAP '%s' config" %
                             self.parsed_args.manage_ldap_groups)
            self.manage_groups_in_vault_ldap_conf()
        if self.parsed_args.manage_ldap_users:
            self.logger.info("Managing users in Vault LDAP '%s' config" %
                             self.parsed_args.manage_ldap_users)
            self.manage_users_in_vault_ldap_conf()
        if self.parsed_args.create_groups_secrets:
            self.logger.info(
                "Creating groups folders under secret path '/%s'" %
                self.parsed_args.create_groups_secrets)
            self.create_groups_secrets()
        if self.parsed_args.create_users_secrets:
            self.logger.info("Creating users folders under secret path '/%s'" %
                             self.parsed_args.create_users_secrets)
            self.create_users_secrets()
Exemplo n.º 7
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    def connect_to_vault(self, vault_addr, vault_token):
        """
        Connect to a Vault instance

        :param vault_addr: Vault URL
        :type vault_addr: str
        :param vault_token: Vault token
        :type vault_token: str
        :return: VaultClient
        """
        self.logger.debug("Connecting to Vault instance '%s'" % vault_addr)
        vault_client = VaultClient(self.base_logger,
                                   dry=self.kwargs.dry_run,
                                   vault_addr=vault_addr,
                                   skip_tls=self.kwargs.skip_tls)
        vault_client.authenticate(vault_token)
        return vault_client
Exemplo n.º 8
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    def push_to_vault(self, exported_path, exported_kv, target_path):
        """
        Push exported kv to Vault

        :param exported_path: export root path
        :type exported_path: str
        :param target_path: push kv to this path
        :type target_path: str
        :param exported_kv: Exported KV store
        :type exported_kv: dict
        """
        self.logger.debug("Pushing exported kv to Vault")
        vault_client = VaultClient(self.base_logger,
                                   dry=self.parsed_args.dry_run,
                                   vault_addr=os.environ["VAULT_TARGET_ADDR"],
                                   skip_tls=self.parsed_args.skip_tls)
        vault_client.authenticate(os.environ["VAULT_TARGET_TOKEN"])
        for secret in exported_kv:
            secret_target_path = self.__list_to_string(
                target_path.split('/') +
                secret.split('/')[len(exported_path.split('/')):],
                separator="/")
            self.logger.debug("Exporting secret: " + secret + " to " +
                              secret_target_path)
            vault_client.write(secret_target_path,
                               exported_kv[secret],
                               hide_all=True)
Exemplo n.º 9
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    def delete_from_vault(self, kv_to_delete):
        """
        Delete all secrets at and under specified path

        :param kv_to_delete: list of all secrets paths to delete
        :type kv_to_delete: list
        """
        self.logger.debug("Deleting secrets from " + os.environ["VAULT_ADDR"])
        vault_client = VaultClient(self.base_logger,
                                   dry=self.parsed_args.dry_run,
                                   skip_tls=self.parsed_args.skip_tls)
        vault_client.authenticate()
        for secret in kv_to_delete:
            self.logger.debug("Deleting " + secret)
            vault_client.delete(secret)
Exemplo n.º 10
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    def read_from_vault(self, path_to_read):
        """
        Read secret tree from Vault

        :param path_to_read: secret path to read and return
        :type path_to_read: str
        :return dict(dict)
        """
        self.logger.debug("Reading kv tree")
        vault_client = VaultClient(self.base_logger,
                                   dry=self.parsed_args.dry_run,
                                   skip_tls=self.parsed_args.skip_tls)
        vault_client.authenticate()
        kv_full = {}
        kv_list = vault_client.get_secrets_tree(path_to_read)
        self.logger.debug("Secrets found: " + str(kv_list))
        for kv in kv_list:
            kv_full[kv] = vault_client.read_secret(kv)
        return kv_full
Exemplo n.º 11
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    def run(self, kwargs):
        """
        Module entry point

        :param kwargs: Arguments parsed
        :type kwargs: dict
        """
        # Convert kwargs to an Object with kwargs dict as class vars
        self.kwargs = namedtuple("KwArgs", kwargs.keys())(*kwargs.values())
        self.logger.debug("Module " + self.module_name + " started")

        if not self.check_args_integrity():
            self.subparser.print_help()
            return False
        missing_args = utils.keys_exists_in_dict(self.logger,
                                                 dict(self.kwargs._asdict()),
                                                 [{
                                                     "key": "vault_config",
                                                     "exc": [None, False, '']
                                                 }])
        if len(missing_args):
            raise ValueError(
                "Following arguments are missing %s\n" %
                [k['key'].replace("_", "-") for k in missing_args])
        self.policies_folder = os.path.join(self.kwargs.vault_config,
                                            "policies")
        self.user_policies_folder = os.path.join(self.policies_folder, "user")
        self.kubernetes_policies_folder = os.path.join(self.policies_folder,
                                                       "service", "kubernetes")
        self.group_policies_folder = os.path.join(self.policies_folder,
                                                  "group")
        self.group_policies_to_create = []
        self.user_policies_to_create = []
        self.kubernetes_policies_to_create = []
        if not self.read_configuration() or not self.read_ldap_configuration():
            return False
        self.vault_client = VaultClient(self.base_logger,
                                        vault_addr=self.kwargs.vault_addr,
                                        dry=self.kwargs.dry_run,
                                        skip_tls=self.kwargs.skip_tls)
        self.vault_client.authenticate(self.kwargs.vault_token)
        if not self.get_ldap_data():
            return False
        if self.kwargs.list_groups:
            self.ldap_list_groups()
            return True
        if self.kwargs.create_policies:
            self.ldap_create_policies()
            return True
        missing_args = utils.keys_exists_in_dict(self.logger,
                                                 dict(self.kwargs._asdict()),
                                                 [{
                                                     "key": "vault_addr",
                                                     "exc": [None, '']
                                                 }, {
                                                     "key": "vault_token",
                                                     "exc": [None, False]
                                                 }, {
                                                     "key": "vault_config",
                                                     "exc": [None, False, '']
                                                 }])
        if len(missing_args):
            raise ValueError(
                "Following arguments are missing %s\n" %
                [k['key'].replace("_", "-") for k in missing_args])
        self.vault_client = self.connect_to_vault(self.kwargs.vault_addr,
                                                  self.kwargs.vault_token)
        if self.kwargs.manage_ldap_groups:
            self.ldap_manage_ldap_groups()
        if self.kwargs.manage_ldap_users:
            self.ldap_manage_ldap_users()
        if self.kwargs.create_groups_secrets:
            self.ldap_create_groups_secrets()
        if self.kwargs.create_users_secrets:
            self.ldap_create_users_secrets()
Exemplo n.º 12
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class VaultManagerLDAP:
    """
    LDAP Module
    """
    logger = None
    subparser = None
    kwargs = None
    module_name = None
    base_logger = None
    conf = None
    ldap_conf = None
    vault_client = None
    ldap_users = None
    ldap_kubernetes_groups = None
    policies_folder = None
    user_policies_folder = None
    group_policies_folder = None
    kubernetes_policies_folder = None
    group_policies_to_create = None
    kubernetes_policies_to_create = None
    user_policies_to_create = None

    def __init__(self, base_logger=None):
        """
        :param base_logger: main class name
        :type base_logger: string
        """
        self.base_logger = base_logger
        if base_logger:
            self.logger = logging.getLogger(base_logger + "." +
                                            self.__class__.__name__)
        else:
            self.logger = logging.getLogger()
        self.logger.debug("Initializing VaultManagerLDAP")

    def connect_to_vault(self, vault_addr, vault_token):
        """
        Connect to a Vault instance

        :param vault_addr: Vault URL
        :type vault_addr: str
        :param vault_token: Vault token
        :type vault_token: str
        :return: VaultClient
        """
        self.logger.debug("Connecting to Vault instance '%s'" % vault_addr)
        vault_client = VaultClient(self.base_logger,
                                   dry=self.kwargs.dry_run,
                                   vault_addr=vault_addr,
                                   skip_tls=self.kwargs.skip_tls)
        vault_client.authenticate(vault_token)
        return vault_client

    def initialize_subparser(self, subparsers):
        """
        Add the subparser of this specific module to the list of all subparsers

        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        :return:
        """
        self.logger.debug("Initializing subparser")
        self.module_name = \
            self.__class__.__name__.replace("VaultManager", "").lower()
        self.subparser = \
            subparsers.add_parser(self.module_name,
                                  help=self.module_name + ' management')
        self.subparser.add_argument("--list-groups",
                                    action='store_true',
                                    help="List LDAP groups")
        self.subparser.add_argument(
            "--create-policies",
            action='store_true',
            help="Create policies from LDAP groups and users")
        self.subparser.add_argument(
            "--manage-ldap-groups",
            nargs='?',
            metavar="LDAP_mount_point",
            help="""Create LDAP groups in Vault with associated
            policies at specified mount point""")
        self.subparser.add_argument(
            "--manage-ldap-users",
            nargs='?',
            metavar="LDAP_mount_point",
            help="""Create LDAP users in Vault with associated
             policies and groups at specified mount point""")
        self.subparser.add_argument(
            "--create-groups-secrets",
            nargs='?',
            metavar="groups_secrets_folder",
            help="Create a folder for each group in <groups_secrets_folder>")
        self.subparser.add_argument(
            "--create-users-secrets",
            nargs='?',
            metavar="users_secrets_folder",
            help="Create a folder for each user in <users_secrets_folder>")
        self.subparser.set_defaults(module_name=self.module_name)

    def get_subparser(self):
        """
        Module subparser getter

        :return: argparse.ArgumentParser.add_subparsers().add_parser()
        """
        return self.subparser

    def check_args_integrity(self):
        """
        Checking provided arguments integrity
        """
        self.logger.debug("Checking arguments integrity")
        args_false_count = [
            self.kwargs.create_policies, self.kwargs.manage_ldap_groups,
            self.kwargs.manage_ldap_users, self.kwargs.list_groups,
            self.kwargs.create_groups_secrets, self.kwargs.create_users_secrets
        ].count(False)
        args_none_count = [
            self.kwargs.create_policies, self.kwargs.manage_ldap_groups,
            self.kwargs.manage_ldap_users, self.kwargs.list_groups,
            self.kwargs.create_groups_secrets, self.kwargs.create_users_secrets
        ].count(None)
        no_args_count = args_false_count + args_none_count
        if no_args_count in [6, 7]:
            self.logger.critical("you must specify a command")
            return False
        return True

    def read_configuration(self):
        """
        Read the policies configuration file
        """
        self.logger.debug("Reading configuration")
        with open(os.path.join(self.policies_folder, "policies.yml"),
                  'r') as fd:
            try:
                self.conf = yaml.safe_load(fd)
            except yaml.YAMLError as e:
                self.logger.critical("Impossible to load conf file: " + str(e))
                return False
        self.logger.debug("Read conf: " + str(self.conf))
        return True

    def read_ldap_configuration(self):
        """
        Read the LDAP configuration file
        """
        self.logger.debug("Reading LDAP configuration file")
        with open(os.path.join(self.kwargs.vault_config, "ldap.yml"),
                  'r') as fd:
            try:
                self.ldap_conf = yaml.safe_load(fd)
            except yaml.YAMLError as e:
                self.logger.critical("Impossible to load LDAP conf file: %s" %
                                     str(e))
                return False
        self.logger.debug("Read LDAP conf: " + str(self.conf))
        return True

    def get_ldap_data(self):
        """
        Fetch users and groups from LDAP
        """
        self.logger.info("Reading LDAP data")
        # base_logger, server, user, password, group_dn, user_dn
        try:
            if re.search("^VAULT{{.*}}$", self.ldap_conf["ldap"]["password"]):
                ldap_password = self.vault_client.read_string_with_secret(
                    self.ldap_conf["ldap"]["password"])
            elif re.search("^ENV{{.*}}$", self.ldap_conf["ldap"]["password"]):
                ldap_password = self.vault_client.read_string_with_env(
                    self.ldap_conf["ldap"]["password"])
            else:
                ldap_password = self.ldap_conf["ldap"]["password"]
        except TypeError as e:
            raise Exception("LDAP password does not exists in env at %s" %
                            str(self.ldap_conf["ldap"]["password"]))
        ldap_reader = LDAPReader(self.base_logger,
                                 self.ldap_conf["ldap"]["server"],
                                 self.ldap_conf["ldap"]["username"],
                                 ldap_password,
                                 self.ldap_conf["ldap"]["kubernetes_group_dn"],
                                 self.ldap_conf["ldap"]["group_dn"],
                                 self.ldap_conf["ldap"]["user_dn"])
        if not ldap_reader.connect_to_ldap():
            return False
        self.ldap_users = ldap_reader.get_all_users(
            ldap_reader.get_all_groups())
        self.ldap_kubernetes_groups = ldap_reader.get_kubernetes_groups()
        self.logger.debug("Users found: " + str(self.ldap_users))
        ldap_reader.disconnect_from_ldap()
        return True

    def create_groups_policies(self):
        """
        Create a policy for each group
        """
        self.logger.info("Creating groups policies")
        ldap_groups = list(
            sorted(
                set([
                    group for user in self.ldap_users
                    for group in self.ldap_users[user]
                ])))
        for read_group in self.conf["groups"]["groups_to_add"]:
            if read_group not in ldap_groups:
                self.logger.warning("Group " + read_group +
                                    " in conf file 't been found in LDAP "
                                    "groups. Default conf file. "
                                    "The default group policy will be created "
                                    "anyway.")
        with open(
                os.path.join(self.policies_folder,
                             self.conf["general"]["group"]["default_policy"]),
                'r') as fd:
            default_policy = fd.read()
        for group in self.conf["groups"]["groups_to_add"]:
            policy_file = os.path.join(self.group_policies_folder,
                                       group + ".hcl")
            self.group_policies_to_create.append(policy_file)
            if os.path.isfile(policy_file):
                self.logger.info("Policy for group " + group +
                                 " already exists and will not be overwritten")
            else:
                with open(policy_file, 'w+') as fd:
                    fd.write(default_policy.replace("{{GROUP_NAME}}", group))
                    self.logger.info("Default policy for " + group +
                                     " written")

    def create_users_policies(self):
        """
        Create policies for each LDAP user
        """
        self.logger.info("Creating user policies")
        with open(
                os.path.join(self.policies_folder,
                             self.conf["general"]["user"]["default_policy"]),
                'r') as fd:
            default_policy = fd.read()
        for user in self.ldap_users:
            if len(
                    set(self.conf["groups"]["groups_to_add"]).intersection(
                        self.ldap_users[user])):
                policy_file = os.path.join(self.user_policies_folder,
                                           user + ".hcl")
                self.user_policies_to_create.append(policy_file)
                if os.path.isfile(policy_file):
                    self.logger.info(
                        "Policy for user " + user +
                        " already exists and will not be overwritten")
                else:
                    with open(policy_file, 'w+') as fd:
                        fd.write(default_policy.replace("{{USER_NAME}}", user))
                        self.logger.info("Policy for user " + user +
                                         " created")

    def create_kubernetes_policies(self):
        """
        Create policies to allow kubernetes service-accounts to read secrets
        """
        self.logger.debug("creating kubernetes policies for service_accounts")
        with open(
                os.path.join(
                    self.policies_folder,
                    self.conf["general"]["kubernetes"]["default_policy"]),
                'r') as fd:
            default_policy = fd.read()

        template = Template(default_policy)

        for env in ["qa", "preprod", "prod"]:
            for group in self.ldap_kubernetes_groups:
                policy_file = os.path.join(self.kubernetes_policies_folder,
                                           env, group + ".hcl")
                self.kubernetes_policies_to_create.append(policy_file)
                if os.path.isfile(policy_file):
                    self.logger.info(
                        "Policy for kubernetes group " + group + " in env " +
                        env + " already exists and will not be overwritten")
                else:
                    with open(policy_file, 'w+') as fd:
                        fd.write(template.render(GROUP=group, ENV=env))
                        self.logger.info("Policy for kubernetes group " +
                                         group + "in env " + env + " created")

    def deleting_previous_policies(self):
        """
        Deleting policies of non existing LDAP users
        """
        self.logger.debug(
            "Deleting policies of previously existing LDAP users")
        for file in os.listdir(self.group_policies_folder):
            policy_path = os.path.join(self.group_policies_folder, file)
            if policy_path not in self.group_policies_to_create:
                self.logger.info("Deleting group policy: " + policy_path)
                os.remove(policy_path)
        for file in os.listdir(self.user_policies_folder):
            policy_path = os.path.join(self.user_policies_folder, file)
            if policy_path not in self.user_policies_to_create:
                self.logger.info("Deleting user policy: " + policy_path)
                os.remove(policy_path)

    def ldap_list_groups(self):
        """
        Method running the list-groups function of LDAP module
        Display LDAP groups
        """
        self.logger.debug("LDAP list-groups starting")
        self.logger.debug("Displaying LDAP groups")
        groups = []
        for user in self.ldap_users:
            for group in self.ldap_users[user]:
                if group not in groups:
                    groups.append(group)
        self.logger.info(str(sorted(groups)))

    def ldap_create_policies(self):
        """
        Method running the create-policies function of LDAP module
        """
        self.logger.debug("LDAP create-policies starting")
        self.logger.info("Creating LDAP policies")
        self.create_groups_policies()
        self.create_users_policies()
        self.create_kubernetes_policies()
        self.deleting_previous_policies()

    def ldap_manage_ldap_groups(self):
        """
        Method running the manage-ldap-groups function of LDAP module
        Manage groups in Vault LDAP configuration
        """
        self.logger.debug("LDAP manage-ldap-groups starting")
        self.logger.info("Managing groups in Vault LDAP '%s' config" %
                         self.kwargs.manage_ldap_groups)
        self.logger.debug("Managing groups to Vault LDAP configuration")
        raw_vault_ldap_groups = self.vault_client.list('/auth/ldap/groups')
        existing_groups = []
        if len(raw_vault_ldap_groups):
            existing_groups = raw_vault_ldap_groups["keys"]
        for group in self.conf["groups"]["groups_to_add"]:
            if group in existing_groups:
                existing_groups.remove(group)
            policies = ["group_" + group + "_policy"]
            if "root" in self.conf["general"]["group"] and \
                    group in self.conf["general"]["group"]["root"]:
                policies.append("root")
            self.logger.info("Adding polices %s to group %s" %
                             (str(policies), group))
            self.vault_client.write(
                "/auth/ldap/groups/" + group, {
                    "policies":
                    utils.list_to_string(self.logger, policies, separator="")
                })
        self.logger.debug("Removing groups %s from Vault LDAP conf" %
                          str(existing_groups))
        for group in existing_groups:
            self.logger.info("Removing group %s from Vault LDAP conf" % group)
            self.vault_client.delete('/auth/ldap/groups/' + group)

    def ldap_manage_ldap_users(self):
        """
        Method running the manage-ldap-users function of LDAP module
        Manage users in Vault LDAP configuration
        """
        self.logger.debug("LDAP manage-ldap-users starting")
        self.logger.info("Managing users in Vault LDAP '%s' config" %
                         self.kwargs.manage_ldap_users)
        self.logger.debug("Managing users to Vault LDAP configuration")
        raw_vault_ldap_users = self.vault_client.list('/auth/ldap/users')
        self.logger.debug("Users found: " + str(raw_vault_ldap_users))
        existing_users = []
        if len(raw_vault_ldap_users):
            existing_users = raw_vault_ldap_users["keys"]

        for user in self.ldap_users:
            groups_of_user = list(
                set(self.conf["groups"]["groups_to_add"]).intersection(
                    self.ldap_users[user]))
            if not len(groups_of_user):
                continue
            if user in existing_users:
                existing_users.remove(user)
            policies = ["user_" + user + "_policy"]
            if "root" in self.conf["general"]["group"] and \
                    user in self.conf["general"]["user"]["root"]:
                policies.append("root")
            self.logger.info("Adding polices %s to user %s" %
                             (str(policies), user))
            self.logger.info("Adding groups %s to user %s" %
                             (str(groups_of_user), user))
            self.vault_client.write(
                "/auth/ldap/users/" + user, {
                    "policies":
                    utils.list_to_string(self.logger, policies, separator=""),
                    "groups":
                    utils.list_to_string(
                        self.logger, groups_of_user, separator="")
                })
        self.logger.debug("Removing users %s from Vault LDAP conf" %
                          str(existing_users))
        for user in existing_users:
            self.logger.info("Removing user %s from Vault LDAP conf" % user)
            self.vault_client.delete('/auth/ldap/users/' + user)
        self.logger.info("Creating k8s secrets paths for each user")
        self.create_kubernetes_policies()

    def find_ldap_group(self, user, group_regex):
        """
        Find a group matching a regex
        """
        ft = []
        for group in self.ldap_users[user]:
            match = re.match(group_regex, group)
            if match:
                ft.extend([g for g in match.groups() if g is not None])

        if len(ft) == 0:
            return ""
        return ",".join(ft)

    def ldap_create_groups_secrets(self):
        """
        Method running the create-groups-secrets function of LDAP module
        Create a secret folder for each LDAP group under specified path
        """
        self.logger.debug("LDAP create-groups-secrets starting")
        self.logger.info("Creating groups folders under secret path '/%s'" %
                         self.kwargs.create_groups_secrets)
        self.logger.debug("Creating groups secrets under %s" %
                          self.kwargs.create_groups_secrets)
        existing_folders = self.vault_client.list(
            self.kwargs.create_groups_secrets)
        if len(existing_folders):
            existing_folders = [
                e.replace("/", "") for e in existing_folders['keys']
            ]
        self.logger.debug("Already existing folders: " + str(existing_folders))
        for group in self.conf["groups"]["groups_to_add"]:
            if group not in existing_folders:
                self.logger.info("Creating folder: " + group)
                self.vault_client.write(
                    self.kwargs.create_groups_secrets + "/" + group +
                    "/description", {group: "group private secrets space"})
        for group in existing_folders:
            if group not in self.conf["groups"]["groups_to_add"]:
                tree = self.vault_client.get_secrets_tree(
                    self.kwargs.create_groups_secrets + "/" + group)
                self.logger.info("Deleting folder " + group +
                                 " and associated secrets " + str(tree))
                for secret in tree:
                    self.vault_client.delete(secret)

    def ldap_create_users_secrets(self):
        """
        Method running the create-users-secrets function of LDAP module
        Create a secret folder for each LDAP user under specified path
        """
        self.logger.debug("LDAP create-users-secrets starting")
        self.logger.info("Creating users folders under secret path '/%s'" %
                         self.kwargs.create_users_secrets)
        self.logger.debug("Creating users secrets under %s" %
                          self.kwargs.create_users_secrets)
        enabled_users = []
        for user in self.ldap_users:
            groups_of_user = list(
                set(self.conf["groups"]["groups_to_add"]).intersection(
                    self.ldap_users[user]))
            if len(groups_of_user):
                enabled_users.append(user)
        existing_folders = self.vault_client.list(
            self.kwargs.create_users_secrets)
        if len(existing_folders):
            existing_folders = [
                e.replace("/", "") for e in existing_folders['keys']
            ]
        self.logger.debug("Already existing folders: " + str(existing_folders))
        for user in enabled_users:
            if user not in existing_folders:
                self.logger.info("Creating folder: " + user)
                self.vault_client.write(
                    self.kwargs.create_users_secrets + "/" + user +
                    "/description", {user: "******"})
        for user in existing_folders:
            if user not in enabled_users:
                tree = self.vault_client.get_secrets_tree(
                    self.kwargs.create_users_secrets + "/" + user)
                self.logger.info("Deleting folder " + user +
                                 " and associated secrets " + str(tree))
                for secret in tree:
                    self.vault_client.delete(secret)

    def run(self, kwargs):
        """
        Module entry point

        :param kwargs: Arguments parsed
        :type kwargs: dict
        """
        # Convert kwargs to an Object with kwargs dict as class vars
        self.kwargs = namedtuple("KwArgs", kwargs.keys())(*kwargs.values())
        self.logger.debug("Module " + self.module_name + " started")

        if not self.check_args_integrity():
            self.subparser.print_help()
            return False
        missing_args = utils.keys_exists_in_dict(self.logger,
                                                 dict(self.kwargs._asdict()),
                                                 [{
                                                     "key": "vault_config",
                                                     "exc": [None, False, '']
                                                 }])
        if len(missing_args):
            raise ValueError(
                "Following arguments are missing %s\n" %
                [k['key'].replace("_", "-") for k in missing_args])
        self.policies_folder = os.path.join(self.kwargs.vault_config,
                                            "policies")
        self.user_policies_folder = os.path.join(self.policies_folder, "user")
        self.kubernetes_policies_folder = os.path.join(self.policies_folder,
                                                       "service", "kubernetes")
        self.group_policies_folder = os.path.join(self.policies_folder,
                                                  "group")
        self.group_policies_to_create = []
        self.user_policies_to_create = []
        self.kubernetes_policies_to_create = []
        if not self.read_configuration() or not self.read_ldap_configuration():
            return False
        self.vault_client = VaultClient(self.base_logger,
                                        vault_addr=self.kwargs.vault_addr,
                                        dry=self.kwargs.dry_run,
                                        skip_tls=self.kwargs.skip_tls)
        self.vault_client.authenticate(self.kwargs.vault_token)
        if not self.get_ldap_data():
            return False
        if self.kwargs.list_groups:
            self.ldap_list_groups()
            return True
        if self.kwargs.create_policies:
            self.ldap_create_policies()
            return True
        missing_args = utils.keys_exists_in_dict(self.logger,
                                                 dict(self.kwargs._asdict()),
                                                 [{
                                                     "key": "vault_addr",
                                                     "exc": [None, '']
                                                 }, {
                                                     "key": "vault_token",
                                                     "exc": [None, False]
                                                 }, {
                                                     "key": "vault_config",
                                                     "exc": [None, False, '']
                                                 }])
        if len(missing_args):
            raise ValueError(
                "Following arguments are missing %s\n" %
                [k['key'].replace("_", "-") for k in missing_args])
        self.vault_client = self.connect_to_vault(self.kwargs.vault_addr,
                                                  self.kwargs.vault_token)
        if self.kwargs.manage_ldap_groups:
            self.ldap_manage_ldap_groups()
        if self.kwargs.manage_ldap_users:
            self.ldap_manage_ldap_users()
        if self.kwargs.create_groups_secrets:
            self.ldap_create_groups_secrets()
        if self.kwargs.create_users_secrets:
            self.ldap_create_users_secrets()
Exemplo n.º 13
0
class VaultManagerAuth:
    """
    Authentication module
    """
    logger = None
    base_logger = None
    subparser = None
    parsed_args = None
    arg_parser = None
    module_name = None
    conf = None
    vault_client = None
    local_auth_methods = None
    distant_auth_methods = None

    def __init__(self, base_logger, subparsers):
        """
        :param base_logger: main class name
        :type base_logger: string
        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        """
        self.base_logger = base_logger
        self.logger = logging.getLogger(base_logger + "." + self.__class__.__name__)
        self.logger.debug("Initializing VaultManagerAuth")
        self.initialize_subparser(subparsers)

    def initialize_subparser(self, subparsers):
        """
        Add the subparser of this specific module to the list of all subparsers

        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        :return:
        """
        self.logger.debug("Initializing subparser")
        self.module_name = \
            self.__class__.__name__.replace("VaultManager", "").lower()
        self.subparser = subparsers.add_parser(
            self.module_name,
            help=self.module_name + ' management'
        )
        self.subparser.add_argument("--push", action='store_true',
                                    help="Push auth methods to Vault")
        self.subparser.set_defaults(module_name=self.module_name)

    def check_env_vars(self):
        """
        Check if all needed env vars are set

        :return: bool
        """
        self.logger.debug("Checking env variables")
        needed_env_vars = ["VAULT_ADDR", "VAULT_TOKEN", "VAULT_CONFIG"]
        if not all(env_var in os.environ for env_var in needed_env_vars):
            self.logger.critical("The following env vars must be set")
            self.logger.critical(str(needed_env_vars))
            return False
        self.logger.debug("All env vars are set")
        if not os.path.isdir(os.environ["VAULT_CONFIG"]):
            self.logger.critical(
                os.environ["VAULT_CONFIG"] + " is not a valid folder")
            return False
        self.logger.info("Vault address: " + os.environ["VAULT_ADDR"])
        self.logger.info("Vault config folder: " + os.environ["VAULT_CONFIG"])
        return True

    def read_configuration(self):
        """
        Read configuration file
        """
        self.logger.debug("Reading configuration")
        with open(os.path.join(os.environ["VAULT_CONFIG"], "auth-methods.yml"),
                  'r') as fd:
            try:
                self.conf = yaml.load(fd)
            except yaml.YAMLError as e:
                self.logger.critical("Impossible to load conf file: " + str(e))
                return False
        self.logger.debug("Read conf: " + str(self.conf))
        return True

    def get_distant_auth_methods(self):
        """
        Fetch distant auth methods
        """
        self.logger.debug("Fetching distant auth methods")
        self.distant_auth_methods = []
        raw = self.vault_client.auth_list()
        for auth_method in raw:
            self.distant_auth_methods.append(
                VaultAuthMethod(
                    type=raw[auth_method]["type"],
                    path=(raw[auth_method]["path"] if 'path' in raw[auth_method] else auth_method),
                    description=raw[auth_method]["description"],
                    tuning=OrderedDict(sorted(raw[auth_method]["config"].items()))
                )
            )
        self.logger.debug("Distant auth methods found")
        for elem in self.distant_auth_methods:
            self.logger.debug(elem)

    def get_local_auth_methods(self):
        """
        Fetch local auth methods
        """
        self.logger.debug("Fetching local auth methods")
        self.local_auth_methods = []
        for auth_method in self.conf["auth-methods"]:
            auth_config = None
            if "auth_config" in auth_method:
                auth_config = OrderedDict(sorted(auth_method["auth_config"].items()))
            self.local_auth_methods.append(
                VaultAuthMethod(
                    type=auth_method["type"],
                    path=auth_method["path"],
                    description=auth_method["description"],
                    tuning=OrderedDict(sorted(auth_method["tuning"].items())),
                    auth_config=auth_config
                )
            )
        self.logger.debug("Local auth methods found")
        for elem in self.local_auth_methods:
            self.logger.debug(elem)

    def disable_distant_auth_methods(self):
        """
        Disable auth methods not found in conf
        """
        self.logger.debug("Disabling auth methods")
        for auth_method in self.distant_auth_methods:
            if auth_method not in self.local_auth_methods:
                self.logger.info("Disabling: " + str(auth_method))
                self.vault_client.auth_disable(auth_method.path)

    def enable_distant_auth_methods(self):
        """
        Enable auth methods found in conf
        """
        self.logger.debug("Enabling auth methods")
        for auth_method in self.local_auth_methods:
            if auth_method not in self.distant_auth_methods:
                self.logger.info("Enabling: " + str(auth_method))
                self.vault_client.auth_enable(
                    auth_type=auth_method.type,
                    path=auth_method.path,
                    description=auth_method.description
                )

    def tune_auth_method(self, local_auth_method, distant_auth_method):
        """
        Tune a auth method

        :param local_auth_method: Local auth method
        :type local_auth_method: VaultAuthMethod
        :param distant_auth_method: Distant auth method
        :type distant_auth_method: VaultAuthMethod
        """
        self.logger.debug("Local tuning for: " + local_auth_method.path)
        self.logger.debug("Description: " + local_auth_method.description)
        self.logger.debug("Hash: " + local_auth_method.get_tuning_hash())
        self.logger.debug("Tuning: " + str(local_auth_method.tuning))

        self.logger.debug("Distant tuning for: " + distant_auth_method.path)
        self.logger.debug("Description: " + distant_auth_method.description)
        self.logger.debug("Hash: " + distant_auth_method.get_tuning_hash())
        self.logger.debug("Tuning: " + str(distant_auth_method.tuning))
        self.vault_client.auth_tune(
            local_auth_method.path,
            default_lease_ttl=local_auth_method.tuning["default_lease_ttl"],
            max_lease_ttl=local_auth_method.tuning["max_lease_ttl"],
            description=local_auth_method.description
        )

    def find_auth_methods_to_tune(self):
        """
        Identify auth methods where a tuning is needed
        """
        self.logger.debug("Tuning auth methods")
        for distant_auth in self.distant_auth_methods:
            for local_auth in self.local_auth_methods:
                if distant_auth == local_auth:
                    distant_tuning_hash = distant_auth.get_tuning_hash()
                    local_tuning_hash = local_auth.get_tuning_hash()
                    self.logger.debug("Hashs for %s/" % distant_auth.path)
                    self.logger.debug("Local: " + local_tuning_hash)
                    self.logger.debug("Distant: " + distant_tuning_hash)
                    if distant_tuning_hash != local_tuning_hash:
                        self.logger.info("The auth method " + local_auth.path +
                                         " will be tuned")
                        self.tune_auth_method(local_auth, distant_auth)

    def run(self, arg_parser, parsed_args):
        """
        Module entry point

        :param parsed_args: Arguments parsed fir this module
        :type parsed_args: argparse.ArgumentParser.parse_args()
        :param arg_parser: Argument parser
        :type arg_parser: argparse.ArgumentParser
        """
        self.parsed_args = parsed_args
        self.arg_parser = arg_parser
        self.logger.debug("Module " + self.module_name + " started")
        if self.parsed_args.push:
            self.logger.info("Pushing auth methods to Vault")
            if not self.check_env_vars():
                return False
            self.read_configuration()
            self.vault_client = VaultClient(
                self.base_logger,
                dry=self.parsed_args.dry_run,
                skip_tls=self.parsed_args.skip_tls
            )
            self.vault_client.authenticate()
            self.get_distant_auth_methods()
            self.get_local_auth_methods()
            for auth_method in self.local_auth_methods:
                if auth_method in self.distant_auth_methods:
                    self.logger.debug("Auth method remaining unchanged " +
                                      str(auth_method))
            self.disable_distant_auth_methods()
            self.enable_distant_auth_methods()
            self.get_distant_auth_methods()
            self.logger.info("Auth methods successfully pushed to Vault")
            self.logger.info("Tuning auth methods")
            self.find_auth_methods_to_tune()
            self.logger.info("Auth methods successfully tuned")
            self.logger.info("Setting up auth method specific configuration")
            for auth_method in self.local_auth_methods:
                auth_method_module = None
                if auth_method.auth_config:
                    if auth_method.type == "ldap":
                        auth_method_module = AuthMethodLDAP(
                            self.base_logger,
                            auth_method.path,
                            auth_method.auth_config,
                            self.vault_client
                        )
                    elif auth_method.type == "approle":
                        auth_method_module = AuthMethodAppRole(
                            self.base_logger,
                            auth_method.path,
                            auth_method.auth_config,
                            self.vault_client
                        )
                if auth_method_module:
                    auth_method_module.auth_method_configuration()
                else:
                    self.logger.debug("No specific auth method configuration")
            self.logger.info("Auth method specific configuration OK")
Exemplo n.º 14
0
class VaultManagerAuth:
    """
    Authentication module
    """
    logger = None
    base_logger = None
    subparser = None
    parsed_args = None
    arg_parser = None
    module_name = None
    conf = None
    vault_client = None
    local_auth_methods = None
    distant_auth_methods = None

    def __init__(self, base_logger=None):
        """
        :param base_logger: main class name
        :type base_logger: string
        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        """
        self.base_logger = base_logger
        if base_logger:
            self.logger = logging.getLogger(base_logger + "." +
                                            self.__class__.__name__)
        else:
            self.logger = logging.getLogger()
        self.logger.debug("Initializing VaultManagerAuth")

    def initialize_subparser(self, subparsers):
        """
        Add the subparser of this specific module to the list of all subparsers

        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        :return:
        """
        self.logger.debug("Initializing subparser")
        self.module_name = \
            self.__class__.__name__.replace("VaultManager", "").lower()
        self.subparser = subparsers.add_parser(self.module_name,
                                               help=self.module_name +
                                               ' management')
        self.subparser.add_argument("--push",
                                    action='store_true',
                                    help="Push auth methods to Vault")
        self.subparser.set_defaults(module_name=self.module_name)

    def check_args_integrity(self):
        """
        Checking provided arguments integrity
        """
        self.logger.debug("Checking arguments integrity")
        args_false_count = [self.kwargs.push].count(False)
        args_none_count = [self.kwargs.push].count(None)
        no_args_count = args_false_count + args_none_count
        if no_args_count in [1]:
            self.logger.critical("you must specify a command")
            return False
        return True

    def read_configuration(self):
        """
        Read configuration file
        """
        self.logger.debug("Reading configuration")
        with open(os.path.join(self.kwargs.vault_config, "auth-methods.yml"),
                  'r') as fd:
            try:
                self.conf = yaml.safe_load(fd)
            except yaml.YAMLError as e:
                self.logger.critical("Impossible to load conf file: " + str(e))
                return False
        self.logger.debug("Read conf: " + str(self.conf))
        return True

    def get_distant_auth_methods(self):
        """
        Fetch distant auth methods
        """
        self.logger.debug("Fetching distant auth methods")
        self.distant_auth_methods = []
        raw = self.vault_client.auth_list()
        for auth_method in raw:
            self.distant_auth_methods.append(
                VaultAuthMethod(
                    type=raw[auth_method]["type"],
                    path=(raw[auth_method]["path"]
                          if 'path' in raw[auth_method] else auth_method),
                    description=raw[auth_method]["description"],
                    tuning=OrderedDict(
                        sorted(raw[auth_method]["config"].items()))))
        self.logger.debug("Distant auth methods found")
        for elem in self.distant_auth_methods:
            self.logger.debug(elem)

    def get_local_auth_methods(self):
        """
        Fetch local auth methods
        """
        self.logger.debug("Fetching local auth methods")
        self.local_auth_methods = []
        for auth_method in self.conf["auth-methods"]:
            auth_config = None
            if "auth_config" in auth_method:
                auth_config = OrderedDict(
                    sorted(auth_method["auth_config"].items()))
            self.local_auth_methods.append(
                VaultAuthMethod(type=auth_method["type"],
                                path=auth_method["path"],
                                description=auth_method["description"],
                                tuning=OrderedDict(
                                    sorted(auth_method["tuning"].items())),
                                auth_config=auth_config))
        self.logger.debug("Local auth methods found")
        for elem in self.local_auth_methods:
            self.logger.debug(elem)

    def disable_distant_auth_methods(self):
        """
        Disable auth methods not found in conf
        """
        self.logger.debug("Disabling auth methods")
        for auth_method in self.distant_auth_methods:
            if auth_method not in self.local_auth_methods:
                self.logger.info("Disabling: " + str(auth_method))
                self.vault_client.auth_disable(auth_method.path)

    def enable_distant_auth_methods(self):
        """
        Enable auth methods found in conf
        """
        self.logger.debug("Enabling auth methods")
        for auth_method in self.local_auth_methods:
            if auth_method not in self.distant_auth_methods:
                self.logger.info("Enabling: " + str(auth_method))
                self.vault_client.auth_enable(
                    auth_type=auth_method.type,
                    path=auth_method.path,
                    description=auth_method.description)

    def tune_auth_method(self, local_auth_method, distant_auth_method):
        """
        Tune a auth method

        :param local_auth_method: Local auth method
        :type local_auth_method: VaultAuthMethod
        :param distant_auth_method: Distant auth method
        :type distant_auth_method: VaultAuthMethod
        """
        self.logger.debug("Local tuning for: " + local_auth_method.path)
        self.logger.debug("Description: " + local_auth_method.description)
        self.logger.debug("Hash: " + local_auth_method.get_tuning_hash())
        self.logger.debug("Tuning: " + str(local_auth_method.tuning))

        self.logger.debug("Distant tuning for: " + distant_auth_method.path)
        self.logger.debug("Description: " + distant_auth_method.description)
        self.logger.debug("Hash: " + distant_auth_method.get_tuning_hash())
        self.logger.debug("Tuning: " + str(distant_auth_method.tuning))
        self.vault_client.auth_tune(
            local_auth_method.path,
            default_lease_ttl=local_auth_method.tuning["default_lease_ttl"],
            max_lease_ttl=local_auth_method.tuning["max_lease_ttl"],
            description=local_auth_method.description)

    def find_auth_methods_to_tune(self):
        """
        Identify auth methods where a tuning is needed
        """
        self.logger.debug("Tuning auth methods")
        for distant_auth in self.distant_auth_methods:
            for local_auth in self.local_auth_methods:
                if distant_auth == local_auth:
                    distant_tuning_hash = distant_auth.get_tuning_hash()
                    local_tuning_hash = local_auth.get_tuning_hash()
                    self.logger.debug("Hashs for %s/" % distant_auth.path)
                    self.logger.debug("Local: " + local_tuning_hash)
                    self.logger.debug("Distant: " + distant_tuning_hash)
                    if distant_tuning_hash != local_tuning_hash:
                        self.logger.info("The auth method " + local_auth.path +
                                         " will be tuned")
                        self.tune_auth_method(local_auth, distant_auth)

    def auth_push(self):
        """
        Push auth methods configuration to Vault
        """
        self.logger.info("Pushing auth methods to Vault")
        self.read_configuration()
        self.get_distant_auth_methods()
        self.get_local_auth_methods()
        for auth_method in self.local_auth_methods:
            if auth_method in self.distant_auth_methods:
                self.logger.debug("Auth method remaining unchanged " +
                                  str(auth_method))
        if "auth-methods-deletion" in self.conf and \
           self.conf["auth-methods-deletion"]:
            self.disable_distant_auth_methods()
        self.enable_distant_auth_methods()
        self.get_distant_auth_methods()
        self.logger.info("Auth methods successfully pushed to Vault")
        self.logger.info("Tuning auth methods")
        self.find_auth_methods_to_tune()
        self.logger.info("Auth methods successfully tuned")
        self.logger.info("Setting up auth method specific configuration")
        for auth_method in self.local_auth_methods:
            auth_method_module = None
            if auth_method.auth_config:
                if auth_method.type == "ldap":
                    auth_method_module = AuthMethodLDAP(
                        self.base_logger, auth_method.path,
                        auth_method.auth_config, self.vault_client)
                elif auth_method.type == "approle":
                    auth_method_module = AuthMethodAppRole(
                        self.base_logger, auth_method.path,
                        auth_method.auth_config, self.vault_client)
            if auth_method_module:
                auth_method_module.auth_method_configuration()
            else:
                self.logger.debug("No specific auth method configuration")
        self.logger.info("Auth method specific configuration OK")

    def run(self, kwargs):
        """
        Module entry point

        :param kwargs: Arguments parsed
        :type kwargs: dict
        """
        # Convert kwargs to an Object with kwargs dict as class vars
        self.kwargs = namedtuple("KwArgs", kwargs.keys())(*kwargs.values())
        self.logger.debug("Module " + self.module_name + " started")
        if not self.check_args_integrity():
            self.subparser.print_help()
            return False
        missing_args = utils.keys_exists_in_dict(self.logger,
                                                 dict(self.kwargs._asdict()),
                                                 [{
                                                     "key": "vault_addr",
                                                     "exc": [None, '']
                                                 }, {
                                                     "key": "vault_token",
                                                     "exc": [None, False]
                                                 }, {
                                                     "key": "vault_config",
                                                     "exc": [None, False, '']
                                                 }])
        if len(missing_args):
            raise ValueError(
                "Following arguments are missing %s\n" %
                [k['key'].replace("_", "-") for k in missing_args])
        self.vault_client = VaultClient(self.base_logger,
                                        vault_addr=self.kwargs.vault_addr,
                                        dry=self.kwargs.dry_run,
                                        skip_tls=self.kwargs.skip_tls)
        self.vault_client.authenticate()
        if self.kwargs.push:
            self.auth_push()
Exemplo n.º 15
0
class VaultManagerAudit:
    """
    Audit Module
    """
    logger = None
    base_logger = None
    subparser = None
    parsed_args = None
    arg_parser = None
    module_name = None
    conf = None
    vault_client = None
    distant_audit_devices = None
    local_audit_devices = None

    def __init__(self, base_logger, subparsers):
        """
        :param base_logger: main class name
        :type base_logger: string
        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        """
        self.base_logger = base_logger
        self.logger = logging.getLogger(base_logger + "." +
                                        self.__class__.__name__)
        self.logger.debug("Initializing VaultManagerLDAP")
        self.initialize_subparser(subparsers)

    def initialize_subparser(self, subparsers):
        """
        Add the subparser of this specific module to the list of all subparsers

        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        :return:
        """
        self.logger.debug("Initializing subparser")
        self.module_name = \
            self.__class__.__name__.replace("VaultManager", "").lower()
        self.subparser = subparsers.add_parser(self.module_name,
                                               help=self.module_name +
                                               ' management')
        self.subparser.add_argument("--push",
                                    action='store_true',
                                    help="Push audit configuration to Vault")
        self.subparser.set_defaults(module_name=self.module_name)

    def read_configuration(self):
        """
        Read configuration file
        """
        self.logger.debug("Reading configuration")
        with open(
                os.path.join(os.environ["VAULT_CONFIG"], "audit-devices.yml"),
                'r') as fd:
            try:
                self.conf = yaml.load(fd)
            except yaml.YAMLError as e:
                self.logger.critical("Impossible to load conf file: " + str(e))
                return False
        self.logger.debug("Read conf: " + str(self.conf))
        return True

    def check_env_vars(self):
        """
        Check if all needed env vars are set

        :return: bool
        """
        self.logger.debug("Checking env variables")
        needed_env_vars = ["VAULT_ADDR", "VAULT_TOKEN", "VAULT_CONFIG"]
        if not all(env_var in os.environ for env_var in needed_env_vars):
            self.logger.critical("The following env vars must be set")
            self.logger.critical(str(needed_env_vars))
            return False
        self.logger.debug("All env vars are set")
        if not os.path.isdir(os.environ["VAULT_CONFIG"]):
            self.logger.critical(os.environ["VAULT_CONFIG"] +
                                 " is not a valid folder")
            return False
        self.logger.info("Vault address: " + os.environ["VAULT_ADDR"])
        self.logger.info("Vault config folder: " + os.environ["VAULT_CONFIG"])
        return True

    def get_distant_audit_devices(self):
        """
        Fetch distant audit devices
        """
        self.logger.debug("Fetching distant audit devices")
        self.distant_audit_devices = []
        raw = self.vault_client.audit_list()
        for elem in raw:
            self.distant_audit_devices.append(
                VaultAuditDevice(raw[elem]["type"], raw[elem]["path"],
                                 raw[elem]["description"],
                                 raw[elem]["options"]))
        self.logger.debug("Distant audit devices found")
        for elem in self.distant_audit_devices:
            self.logger.debug(elem)

    def get_local_audit_devices(self):
        """
        Fetch local audit devices
        """
        self.logger.debug("Fetching local audit devices")
        self.local_audit_devices = []
        for audit_device in self.conf["audit-devices"]:
            self.local_audit_devices.append(
                VaultAuditDevice(audit_device["type"], audit_device["path"],
                                 audit_device["description"],
                                 audit_device["options"]))
        self.logger.debug("Local audit devices found")
        for elem in self.local_audit_devices:
            self.logger.debug(elem)

    def disable_distant_audit_devices(self):
        """
        Disable audit devices not found in conf
        """
        self.logger.debug("Disabling audit devices")
        for audit_device in self.distant_audit_devices:
            if audit_device not in self.local_audit_devices:
                self.logger.info("Disabling: " + str(audit_device))
                self.vault_client.audit_disable(audit_device.path)

    def enable_distant_audit_devices(self):
        """
        Enable audit devices found in conf
        """
        self.logger.debug("Enabling audit devices")
        for audit_device in self.local_audit_devices:
            if audit_device not in self.distant_audit_devices:
                self.logger.info("Enabling: " + str(audit_device))
                self.vault_client.audit_enable(audit_device.type,
                                               audit_device.path,
                                               audit_device.description,
                                               audit_device.options)

    def run(self, arg_parser, parsed_args):
        """
        Module entry point

        :param parsed_args: Arguments parsed fir this module
        :type parsed_args: argparse.ArgumentParser.parse_args()
        """
        self.parsed_args = parsed_args
        self.arg_parser = arg_parser
        self.logger.debug("Module " + self.module_name + " started")
        if self.parsed_args.push:
            if not self.check_env_vars():
                return False
            self.logger.info("Pushing audit devices configuration to Vault")
            self.read_configuration()
            self.vault_client = VaultClient(self.base_logger,
                                            self.parsed_args.dry_run)
            self.vault_client.authenticate()
            self.get_distant_audit_devices()
            self.get_local_audit_devices()
            for audit_device in self.local_audit_devices:
                if audit_device in self.distant_audit_devices:
                    self.logger.info("Audit device remaining unchanged " +
                                     str(audit_device))
            self.disable_distant_audit_devices()
            self.enable_distant_audit_devices()
            self.logger.info("Audit devices successfully pushed to Vault")
Exemplo n.º 16
0
class VaultManagerLDAP:
    """
    LDAP Module
    """
    logger = None
    subparser = None
    parsed_args = None
    arg_parser = None
    module_name = None
    base_logger = None
    conf = None
    ldap_conf = None
    vault_client = None
    ldap_users = None
    policies_folder = None
    user_policies_folder = None
    group_policies_folder = None
    group_policies_to_create = None
    user_policies_to_create = None

    def __init__(self, base_logger, subparsers):
        """
        :param base_logger: main class name
        :type base_logger: string
        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        """
        self.base_logger = base_logger
        self.logger = logging.getLogger(base_logger + "." +
                                        self.__class__.__name__)
        self.logger.debug("Initializing VaultManagerLDAP")
        self.initialize_subparser(subparsers)

    def initialize_subparser(self, subparsers):
        """
        Add the subparser of this specific module to the list of all subparsers

        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        :return:
        """
        self.logger.debug("Initializing subparser")
        self.module_name = \
            self.__class__.__name__.replace("VaultManager", "").lower()
        self.subparser = \
            subparsers.add_parser(self.module_name,
                                  help=self.module_name + ' management')
        self.subparser.add_argument("--list-groups",
                                    action='store_true',
                                    help="List LDAP groups")
        self.subparser.add_argument(
            "--create-policies",
            action='store_true',
            help="Create policies from LDAP groups and users")
        self.subparser.add_argument(
            "--manage-ldap-groups",
            nargs='?',
            metavar="LDAP_mount_point",
            help="""Create LDAP groups in Vault with associated 
            policies at specified mount point""")
        self.subparser.add_argument(
            "--manage-ldap-users",
            nargs='?',
            metavar="LDAP_mount_point",
            help="""Create LDAP users in Vault with associated 
             policies and groups at specified mount point""")
        self.subparser.add_argument(
            "--create-groups-secrets",
            nargs='?',
            metavar="groups_secrets_folder",
            help="Create a folder for each group in <groups_secrets_folder>")
        self.subparser.add_argument(
            "--create-users-secrets",
            nargs='?',
            metavar="users_secrets_folder",
            help="Create a folder for each user in <users_secrets_folder>")
        self.subparser.set_defaults(module_name=self.module_name)

    def get_subparser(self):
        """
        Module subparser getter

        :return: argparse.ArgumentParser.add_subparsers().add_parser()
        """
        return self.subparser

    def check_args_integrity(self):
        """
        Checking provided arguments integrity
        """
        self.logger.debug("Checking arguments integrity")
        args_false_count = [
            self.parsed_args.create_policies,
            self.parsed_args.manage_ldap_groups,
            self.parsed_args.manage_ldap_users, self.parsed_args.list_groups,
            self.parsed_args.create_groups_secrets,
            self.parsed_args.create_users_secrets
        ].count(False)
        args_none_count = [
            self.parsed_args.create_policies,
            self.parsed_args.manage_ldap_groups,
            self.parsed_args.manage_ldap_users, self.parsed_args.list_groups,
            self.parsed_args.create_groups_secrets,
            self.parsed_args.create_users_secrets
        ].count(None)
        no_args_count = args_false_count + args_none_count
        if no_args_count in [6, 7]:
            self.logger.critical("you must specify a command")
            return False
        return True

    def check_env_vars(self):
        """
        Check if all needed env vars are set

        :return: bool
        """
        self.logger.debug("Checking env variables")
        needed_env_vars = ["VAULT_ADDR", "VAULT_TOKEN", "VAULT_CONFIG"]
        if not all(env_var in os.environ for env_var in needed_env_vars):
            self.logger.critical("The following env vars must be set")
            self.logger.critical(str(needed_env_vars))
            return False
        self.logger.debug("All env vars are set")
        if not os.path.isdir(os.environ["VAULT_CONFIG"]):
            self.logger.critical(os.environ["VAULT_CONFIG"] +
                                 " is not a valid folder")
            return False
        self.logger.info("Vault address: " + os.environ["VAULT_ADDR"])
        self.logger.info("Vault config folder: " + os.environ["VAULT_CONFIG"])
        return True

    def read_configuration(self):
        """
        Read the policies configuration file
        """
        self.logger.debug("Reading configuration")
        with open(os.path.join(self.policies_folder, "policies.yml"),
                  'r') as fd:
            try:
                self.conf = yaml.load(fd)
            except yaml.YAMLError as e:
                self.logger.critical("Impossible to load conf file: " + str(e))
                return False
        self.logger.debug("Read conf: " + str(self.conf))
        return True

    def read_ldap_configuration(self):
        """
        Read the LDAP configuration file
        """
        self.logger.debug("Reading LDAP configuration file")
        with open(os.path.join(os.environ["VAULT_CONFIG"], "ldap.yml"),
                  'r') as fd:
            try:
                self.ldap_conf = yaml.load(fd)
            except yaml.YAMLError as e:
                self.logger.critical("Impossible to load LDAP conf file: %s" %
                                     str(e))
                return False
        self.logger.debug("Read LDAP conf: " + str(self.conf))
        return True

    def get_ldap_data(self):
        """
        Fetch users and groups from LDAP
        """
        self.logger.info("Reading LDAP data")
        # base_logger, server, user, password, group_dn, user_dn
        try:
            ldap_password = self.vault_client.read_string_with_secret(
                self.ldap_conf["ldap"]["password"])
        except TypeError as e:
            raise Exception("LDAP password does not exists in Vault at %s" %
                            str(self.ldap_conf["ldap"]["password"]))
        ldap_reader = LDAPReader(self.base_logger,
                                 self.ldap_conf["ldap"]["server"],
                                 self.ldap_conf["ldap"]["username"],
                                 ldap_password,
                                 self.ldap_conf["ldap"]["group_dn"],
                                 self.ldap_conf["ldap"]["user_dn"])
        if not ldap_reader.connect_to_ldap():
            return False
        self.ldap_users = ldap_reader.get_all_users(
            ldap_reader.get_all_groups())
        self.logger.debug("Users found: " + str(self.ldap_users))
        ldap_reader.disconnect_from_ldap()
        return True

    def create_groups_policies(self):
        """
        Create a policy for each group
        """
        self.logger.info("Creating groups policies")
        ldap_groups = list(
            sorted(
                set([
                    group for user in self.ldap_users
                    for group in self.ldap_users[user]
                ])))
        for read_group in self.conf["groups"]["groups_to_add"]:
            if read_group not in ldap_groups:
                self.logger.warning("Group " + read_group +
                                    " in conf file 't been found in LDAP "
                                    "groups. Default conf file. "
                                    "The default group policy will be created "
                                    "anyway.")
        with open(
                os.path.join(self.policies_folder,
                             self.conf["general"]["group"]["default_policy"]),
                'r') as fd:
            default_policy = fd.read()
        for group in self.conf["groups"]["groups_to_add"]:
            policy_file = os.path.join(self.group_policies_folder,
                                       group + ".hcl")
            self.group_policies_to_create.append(policy_file)
            if os.path.isfile(policy_file):
                self.logger.info("Policy for group " + group +
                                 " already exists and will not be overwritten")
            else:
                with open(policy_file, 'w+') as fd:
                    fd.write(default_policy.replace("{{GROUP_NAME}}", group))
                    self.logger.info("Default policy for " + group +
                                     " written")

    def create_users_policies(self):
        """
        Create policies for each LDAP user
        """
        self.logger.info("Creating user policies")
        with open(
                os.path.join(self.policies_folder,
                             self.conf["general"]["user"]["default_policy"]),
                'r') as fd:
            default_policy = fd.read()
        for user in self.ldap_users:
            if len(
                    set(self.conf["groups"]["groups_to_add"]).intersection(
                        self.ldap_users[user])):
                policy_file = os.path.join(self.user_policies_folder,
                                           user + ".hcl")
                self.user_policies_to_create.append(policy_file)
                if os.path.isfile(policy_file):
                    self.logger.info(
                        "Policy for user " + user +
                        " already exists and will not be overwritten")
                else:
                    with open(policy_file, 'w+') as fd:
                        fd.write(default_policy.replace("{{USER_NAME}}", user))
                        self.logger.info("Policy for user " + user +
                                         " created")

    def deleting_previous_policies(self):
        """
        Deleting policies of non existing LDAP users
        """
        self.logger.debug(
            "Deleting policies of previously existing LDAP users")
        for file in os.listdir(self.group_policies_folder):
            policy_path = os.path.join(self.group_policies_folder, file)
            if policy_path not in self.group_policies_to_create:
                self.logger.info("Deleting group policy: " + policy_path)
                os.remove(policy_path)
        for file in os.listdir(self.user_policies_folder):
            policy_path = os.path.join(self.user_policies_folder, file)
            if policy_path not in self.user_policies_to_create:
                self.logger.info("Deleting user policy: " + policy_path)
                os.remove(policy_path)

    def manage_groups_in_vault_ldap_conf(self):
        """
        Manage groups in Vault LDAP configuration
        """
        self.logger.debug("Managing groups to Vault LDAP configuration")
        raw_vault_ldap_groups = self.vault_client.list('/auth/ldap/groups')
        existing_groups = []
        if len(raw_vault_ldap_groups):
            existing_groups = raw_vault_ldap_groups["keys"]
        for group in self.conf["groups"]["groups_to_add"]:
            if group in existing_groups:
                existing_groups.remove(group)
            policies = ["group_" + group + "_policy"]
            if "root" in self.conf["general"]["group"] and \
                    group in self.conf["general"]["group"]["root"]:
                policies.append("root")
            self.logger.info("Adding polices %s to group %s" %
                             (str(policies), group))
            self.vault_client.write(
                "/auth/ldap/groups/" + group,
                {"policies": self.list_to_string(policies, separator="")})
        self.logger.debug("Removing groups %s from Vault LDAP conf" %
                          str(existing_groups))
        for group in existing_groups:
            self.logger.info("Removing group %s from Vault LDAP conf" % group)
            self.vault_client.delete('/auth/ldap/groups/' + group)

    def manage_users_in_vault_ldap_conf(self):
        """
        Manage users in Vault LDAP configuration
        """
        self.logger.debug("Managing users to Vault LDAP configuration")
        raw_vault_ldap_users = self.vault_client.list('/auth/ldap/users')
        self.logger.debug("Users found: " + str(raw_vault_ldap_users))
        existing_users = []
        if len(raw_vault_ldap_users):
            existing_users = raw_vault_ldap_users["keys"]

        for user in self.ldap_users:
            groups_of_user = list(
                set(self.conf["groups"]["groups_to_add"]).intersection(
                    self.ldap_users[user]))
            if not len(groups_of_user):
                continue
            if user in existing_users:
                existing_users.remove(user)
            policies = ["user_" + user + "_policy"]
            if "root" in self.conf["general"]["group"] and \
                    user in self.conf["general"]["user"]["root"]:
                policies.append("root")
            self.logger.info("Adding polices %s to user %s" %
                             (str(policies), user))
            self.logger.info("Adding groups %s to user %s" %
                             (str(groups_of_user), user))
            self.vault_client.write(
                "/auth/ldap/users/" + user, {
                    "policies": self.list_to_string(policies, separator=""),
                    "groups": self.list_to_string(groups_of_user, separator="")
                })
        self.logger.debug("Removing users %s from Vault LDAP conf" %
                          str(existing_users))
        for user in existing_users:
            self.logger.info("Removing user %s from Vault LDAP conf" % user)
            self.vault_client.delete('/auth/ldap/users/' + user)

    def list_to_string(self, list_to_serialize, separator="'"):
        """
        Transform a list to a string

        :param list_to_serialize: list to transform
        :type list_to_serialize: list

        :return: str
        """
        self.logger.debug("serializing list: " + str(list_to_serialize))
        return str(list_to_serialize)\
            .replace("[", "")\
            .replace("]", "")\
            .replace(" ", "")\
            .replace("'", separator)

    def list_ldap_groups(self):
        """
        Display LDAP groups
        """
        self.logger.debug("Displaying LDAP groups")
        groups = []
        for user in self.ldap_users:
            for group in self.ldap_users[user]:
                if group not in groups:
                    groups.append(group)
        self.logger.info(str(sorted(groups)))

    def create_groups_secrets(self):
        """
        Create a secret folder for each LDAP group under specified path
        """
        self.logger.debug("Creating groups secrets under %s" %
                          self.parsed_args.create_groups_secrets)
        existing_folders = self.vault_client.list(
            self.parsed_args.create_groups_secrets)
        if len(existing_folders):
            existing_folders = [
                e.replace("/", "") for e in existing_folders['keys']
            ]
        self.logger.debug("Already existing folders: " + str(existing_folders))
        for group in self.conf["groups"]["groups_to_add"]:
            if group not in existing_folders:
                self.logger.info("Creating folder: " + group)
                self.vault_client.write(
                    self.parsed_args.create_groups_secrets + "/" + group +
                    "/description", {group: "group private secrets space"})
        for group in existing_folders:
            if group not in self.conf["groups"]["groups_to_add"]:
                tree = self.vault_client.get_secrets_tree(
                    self.parsed_args.create_groups_secrets + "/" + group)
                self.logger.info("Deleting folder " + group +
                                 " and associated secrets " + str(tree))
                for secret in tree:
                    self.vault_client.delete(secret)

    def create_users_secrets(self):
        """
        Create a secret folder for each LDAP user under specified path
        """
        self.logger.debug("Creating users secrets under %s" %
                          self.parsed_args.create_users_secrets)
        enabled_users = []
        for user in self.ldap_users:
            groups_of_user = list(
                set(self.conf["groups"]["groups_to_add"]).intersection(
                    self.ldap_users[user]))
            if len(groups_of_user):
                enabled_users.append(user)
        existing_folders = self.vault_client.list(
            self.parsed_args.create_users_secrets)
        if len(existing_folders):
            existing_folders = [
                e.replace("/", "") for e in existing_folders['keys']
            ]
        self.logger.debug("Already existing folders: " + str(existing_folders))
        for user in enabled_users:
            if user not in existing_folders:
                self.logger.info("Creating folder: " + user)
                self.vault_client.write(
                    self.parsed_args.create_users_secrets + "/" + user +
                    "/description", {user: "******"})
        for user in existing_folders:
            if user not in enabled_users:
                tree = self.vault_client.get_secrets_tree(
                    self.parsed_args.create_users_secrets + "/" + user)
                self.logger.info("Deleting folder " + user +
                                 " and associated secrets " + str(tree))
                for secret in tree:
                    self.vault_client.delete(secret)

    def run(self, arg_parser, parsed_args):
        """
        Module entry point

        :param arg_parser: Arguments parser instance
        :param parsed_args: Arguments parsed fir this module
        :type parsed_args: argparse.ArgumentParser.parse_args()
        """
        self.parsed_args = parsed_args
        self.arg_parser = arg_parser
        self.logger.debug("Module " + self.module_name + " started")
        if not self.check_args_integrity():
            self.subparser.print_help()
            return False
        if not self.check_env_vars():
            return False
        self.policies_folder = os.path.join(os.environ["VAULT_CONFIG"],
                                            "policies")
        self.user_policies_folder = os.path.join(self.policies_folder, "user")
        self.group_policies_folder = os.path.join(self.policies_folder,
                                                  "group")
        self.group_policies_to_create = []
        self.user_policies_to_create = []
        if not self.read_configuration() or not self.read_ldap_configuration():
            return False
        self.vault_client = VaultClient(self.base_logger,
                                        dry=self.parsed_args.dry_run,
                                        skip_tls=self.parsed_args.skip_tls)
        self.vault_client.authenticate()
        if not self.get_ldap_data():
            return False
        if self.parsed_args.list_groups:
            self.list_ldap_groups()
            return True
        if self.parsed_args.create_policies:
            self.logger.info("Creating LDAP policies")
            self.create_groups_policies()
            self.create_users_policies()
            self.deleting_previous_policies()
        if self.parsed_args.manage_ldap_groups:
            self.logger.info("Managing groups in Vault LDAP '%s' config" %
                             self.parsed_args.manage_ldap_groups)
            self.manage_groups_in_vault_ldap_conf()
        if self.parsed_args.manage_ldap_users:
            self.logger.info("Managing users in Vault LDAP '%s' config" %
                             self.parsed_args.manage_ldap_users)
            self.manage_users_in_vault_ldap_conf()
        if self.parsed_args.create_groups_secrets:
            self.logger.info(
                "Creating groups folders under secret path '/%s'" %
                self.parsed_args.create_groups_secrets)
            self.create_groups_secrets()
        if self.parsed_args.create_users_secrets:
            self.logger.info("Creating users folders under secret path '/%s'" %
                             self.parsed_args.create_users_secrets)
            self.create_users_secrets()
class VaultManagerAudit:
    """
    Audit Module
    """
    logger = None
    base_logger = None
    subparser = None
    parsed_args = None
    arg_parser = None
    module_name = None
    conf = None
    vault_client = None
    distant_audit_devices = None
    local_audit_devices = None

    def __init__(self, base_logger=None):
        """
        :param base_logger: main class name
        :type base_logger: string
        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        """
        self.base_logger = base_logger
        if base_logger:
            self.logger = logging.getLogger(base_logger + "." +
                                            self.__class__.__name__)
        else:
            self.logger = logging.getLogger()
        self.logger.debug("Initializing VaultManagerAudit")

    def initialize_subparser(self, subparsers):
        """
        Add the subparser of this specific module to the list of all subparsers

        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        :return:
        """
        self.logger.debug("Initializing subparser")
        self.module_name = \
            self.__class__.__name__.replace("VaultManager", "").lower()
        self.subparser = subparsers.add_parser(self.module_name,
                                               help=self.module_name +
                                               ' management')
        self.subparser.add_argument("--push",
                                    action='store_true',
                                    help="Push audit configuration to Vault")
        self.subparser.set_defaults(module_name=self.module_name)

    def read_configuration(self):
        """
        Read configuration file
        """
        self.logger.debug("Reading configuration")
        with open(os.path.join(self.kwargs.vault_config, "audit-devices.yml"),
                  'r') as fd:
            try:
                self.conf = yaml.safe_load(fd)
            except yaml.YAMLError as e:
                self.logger.critical("Impossible to load conf file: " + str(e))
                return False
        self.logger.debug("Read conf: " + str(self.conf))
        return True

    def get_distant_audit_devices(self):
        """
        Fetch distant audit devices
        """
        self.logger.debug("Fetching distant audit devices")
        self.distant_audit_devices = []
        raw = self.vault_client.audit_list()
        for elem in raw:
            self.distant_audit_devices.append(
                VaultAuditDevice(raw[elem]["type"], raw[elem]["path"],
                                 raw[elem]["description"],
                                 raw[elem]["options"]))
        self.logger.debug("Distant audit devices found")
        for elem in self.distant_audit_devices:
            self.logger.debug(elem)

    def get_local_audit_devices(self):
        """
        Fetch local audit devices
        """
        self.logger.debug("Fetching local audit devices")
        self.local_audit_devices = []
        for audit_device in self.conf["audit-devices"]:
            self.local_audit_devices.append(
                VaultAuditDevice(audit_device["type"], audit_device["path"],
                                 audit_device["description"],
                                 audit_device["options"]))
        self.logger.debug("Local audit devices found")
        for elem in self.local_audit_devices:
            self.logger.debug(elem)

    def disable_distant_audit_devices(self):
        """
        Disable audit devices not found in conf
        """
        self.logger.debug("Disabling audit devices")
        for audit_device in self.distant_audit_devices:
            if audit_device not in self.local_audit_devices:
                self.logger.info("Disabling: " + str(audit_device))
                self.vault_client.audit_disable(audit_device.path)

    def enable_distant_audit_devices(self):
        """
        Enable audit devices found in conf
        """
        self.logger.debug("Enabling audit devices")
        for audit_device in self.local_audit_devices:
            if audit_device not in self.distant_audit_devices:
                self.logger.info("Enabling: " + str(audit_device))
                self.vault_client.audit_enable(audit_device.type,
                                               audit_device.path,
                                               audit_device.description,
                                               audit_device.options)

    def check_args_integrity(self):
        """
        Checking provided arguments integrity
        """
        self.logger.debug("Checking arguments integrity")
        args_false_count = [self.kwargs.push].count(False)
        args_none_count = [self.kwargs.push].count(None)
        no_args_count = args_false_count + args_none_count
        if no_args_count in [1]:
            self.logger.critical("you must specify a command")
            return False
        return True

    def audit_push(self):
        """
        Push secrets engines configuration to Vault
        """
        self.logger.info("Pushing audit devices configuration to Vault")
        self.read_configuration()
        self.get_distant_audit_devices()
        self.get_local_audit_devices()
        for audit_device in self.local_audit_devices:
            if audit_device in self.distant_audit_devices:
                self.logger.info("Audit device remaining unchanged " +
                                 str(audit_device))
        if "audit-devices-deletion" in self.conf and \
                self.conf["audit-devices-deletion"]:
            self.disable_distant_audit_devices()
        self.enable_distant_audit_devices()
        self.logger.info("Audit devices successfully pushed to Vault")

    def run(self, kwargs):
        """
        Module entry point

        :param kwargs: Arguments parsed
        :type kwargs: dict
        """
        # Convert kwargs to an Object with kwargs dict as class vars
        self.kwargs = namedtuple("KwArgs", kwargs.keys())(*kwargs.values())
        self.logger.debug("Module " + self.module_name + " started")
        if not self.check_args_integrity():
            self.subparser.print_help()
            return False
        missing_args = utils.keys_exists_in_dict(self.logger,
                                                 dict(self.kwargs._asdict()),
                                                 [{
                                                     "key": "vault_addr",
                                                     "exc": [None, '']
                                                 }, {
                                                     "key": "vault_token",
                                                     "exc": [None, False]
                                                 }, {
                                                     "key": "vault_config",
                                                     "exc": [None, False, '']
                                                 }])
        if len(missing_args):
            raise ValueError(
                "Following arguments are missing %s\n" %
                [k['key'].replace("_", "-") for k in missing_args])
        self.vault_client = VaultClient(self.base_logger,
                                        vault_addr=self.kwargs.vault_addr,
                                        dry=self.kwargs.dry_run,
                                        skip_tls=self.kwargs.skip_tls)
        self.vault_client.authenticate()
        if self.kwargs.push:
            self.audit_push()
class VaultManagerPolicies:
    logger = None
    subparser = None
    kwargs = None
    module_name = None
    vault_client = None
    base_logger = None
    policies_folder = None

    def __init__(self, base_logger=None):
        """
        :param base_logger: main class name
        :type base_logger: string
        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        """
        self.base_logger = base_logger
        if base_logger:
            self.logger = logging.getLogger(
                base_logger + "." + self.__class__.__name__)
        else:
            self.logger = logging.getLogger()
        self.logger.debug("Initializing VaultManagerPolicies")

    def initialize_subparser(self, subparsers):
        """
        Add the subparser of this specific module to the list of all subparsers

        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        :return:
        """
        self.logger.debug("Initializing subparser")
        self.module_name = \
            self.__class__.__name__.replace("VaultManager", "").lower()
        self.subparser = \
            subparsers.add_parser(self.module_name,
                                  help=self.module_name + ' management')
        self.subparser.add_argument(
            "--pull", action='store_true',
            help="Pull distant policies from Vault"
        )
        self.subparser.add_argument(
            "--push", action='store_true', help="Push local policies to Vault"
        )
        self.subparser.set_defaults(module_name=self.module_name)

    def check_args_integrity(self):
        """
        Checking provided arguments integrity
        """
        self.logger.debug("Checking arguments integrity")
        if all([self.kwargs.pull, self.kwargs.push]):
            self.logger.critical("push and pull args cannot "
                                 "be specified at the same time")
            return False
        elif not any([self.kwargs.pull, self.kwargs.push]):
            self.logger.critical("You must specify pull or push")
            return False
        return True

    def policies_pull(self):
        """
        Pull policies from vault
        """
        self.logger.info("Pulling Policies from Vault")
        self.logger.debug("Pulling policies")
        distant_policies = self.vault_client.policy_list()
        self.logger.info("Distant policies found:" + str(distant_policies))
        for policy in distant_policies:
            # policy name will always be 'type_name_policy'
            splitted = policy.split("_")
            if len(splitted) != 3 or splitted[2] != "policy":
                self.logger.warning("Policy " + policy +
                                    " does not match policy name pattern "
                                    "and will not be pulled")
                continue
            # create the parent folder policy if doest not exists (user, etc...)
            policy_folder = os.path.join(self.policies_folder, splitted[0])
            if not os.path.isdir(policy_folder):
                self.logger.debug("Folder " + policy_folder +
                                  " doest not exists, creating...")
                os.makedirs(policy_folder)
            # create the policy file
            policy_path = os.path.join(policy_folder, splitted[1] + ".hcl")
            with open(policy_path, 'w+') as fd:
                fd.write(self.vault_client.policy_get(policy))
                self.logger.info("Policy " + policy_path + " saved")
        self.logger.info("Policies fetched in policies folder")

    def policies_push(self):
        """
        Push all policies from policies folder to Vault
        """
        self.logger.info("Pushing Policies to Vault")
        self.logger.debug("Push all policies")
        distant_policies = self.vault_client.policy_list()
        local_policies = []
        # Building local policies list
        for policy_file in glob.iglob(os.path.join(self.policies_folder,
                                                   "*/**/*.hcl"), recursive=True):

            prefix = os.path.relpath(policy_file, self.policies_folder)
            policy_name = prefix.replace("/", "_")
            self.logger.debug("Local policy %s - name: %s found"
                              % (policy_file, policy_name))
            with open(policy_file, 'r') as fd:
                local_policies.append(
                    {"name": policy_name.replace(".hcl", "_policy"),
                     "content": fd.read()})
        # Removing distant policies which doesn't exists locally
        for distant_policy in distant_policies:
            if distant_policy not in [pol["name"] for pol in local_policies]:
                self.logger.info("Removing distant policy " + distant_policy)
                self.vault_client.policy_delete(distant_policy)
        # Push local policies
        for policy in local_policies:
            self.vault_client.policy_set(policy_name=policy["name"],
                                         policy_content=policy["content"])
            if policy["name"] in distant_policies:
                self.logger.info("Policy %s has been updated" % policy["name"])
            else:
                self.logger.info("Policy %s has been created" % policy["name"])
        self.logger.info("Policies pushed to Vault")

    def run(self, kwargs):
        """
        Module entry point

        :param kwargs: Arguments parsed
        :type kwargs: dict
        """
        # Convert kwargs to an Object with kwargs dict as class vars
        self.kwargs = namedtuple("KwArgs", kwargs.keys())(*kwargs.values())
        self.logger.debug("Module " + self.module_name + " started")
        if not self.check_args_integrity():
            self.subparser.print_help()
            return False
        missing_args = utils.keys_exists_in_dict(
            self.logger, dict(self.kwargs._asdict()),
            [{"key": "vault_addr", "exc": [None, '']},
             {"key": "vault_token", "exc": [None, False]},
             {"key": "vault_config", "exc": [None, False, '']}]
        )
        if len(missing_args):
            raise ValueError(
                "Following arguments are missing %s\n" % [
                    k['key'].replace("_", "-") for k in missing_args]
            )
        self.logger.debug("Vault config folder: %s" % self.kwargs.vault_config)
        self.policies_folder = os.path.join(
            self.kwargs.vault_config, "policies"
        )
        if not os.path.isdir(self.policies_folder):
            os.mkdir(self.policies_folder)
        self.vault_client = VaultClient(
            self.base_logger,
            vault_addr=self.kwargs.vault_addr,
            dry=self.kwargs.dry_run,
            skip_tls=self.kwargs.skip_tls
        )
        self.vault_client.authenticate()
        if self.kwargs.pull:
            self.policies_pull()
        if self.kwargs.push:
            self.policies_push()
Exemplo n.º 19
0
class VaultManagerPolicies:
    logger = None
    subparser = None
    parsed_args = None
    arg_parser = None
    module_name = None
    vault_client = None
    base_logger = None
    policies_folder = None

    def __init__(self, base_logger, subparsers):
        """
        :param base_logger: main class name
        :type base_logger: string
        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        """
        self.base_logger = base_logger
        self.logger = logging.getLogger(base_logger + "." + self.__class__.__name__)
        self.logger.debug("Initializing VaultManagerPolicies")
        self.initialize_subparser(subparsers)

    def initialize_subparser(self, subparsers):
        """
        Add the subparser of this specific module to the list of all subparsers

        :param subparsers: list of all subparsers
        :type subparsers: argparse.ArgumentParser.add_subparsers()
        :return:
        """
        self.logger.debug("Initializing subparser")
        self.module_name = \
            self.__class__.__name__.replace("VaultManager", "").lower()
        self.subparser = \
            subparsers.add_parser(self.module_name,
                                  help=self.module_name + ' management')
        self.subparser.add_argument("--pull", action='store_true',
                                    help="Pull distant policies from Vault")
        self.subparser.add_argument("--push", action='store_true',
                                    help="Push local policies to Vault")
        self.subparser.set_defaults(module_name=self.module_name)

    def get_subparser(self):
        """
        Module subparser getter

        :return: argparse.ArgumentParser.add_subparsers().add_parser()
        """
        return self.subparser

    def check_args_integrity(self):
        """
        Checking provided arguments integrity
        """
        self.logger.debug("Checking arguments integrity")
        if self.parsed_args.pull and self.parsed_args.push:
            self.logger.critical("push and pull args cannot "
                                 "be specified at the same time")
            return False
        elif not self.parsed_args.pull and not self.parsed_args.push:
            self.logger.critical("You must specify pull or push")
            return False
        return True

    def check_env_vars(self):
        """
        Check if all needed env vars are set

        :return: bool
        """
        self.logger.debug("Checking env variables")
        needed_env_vars = ["VAULT_ADDR", "VAULT_TOKEN", "VAULT_CONFIG"]
        if not all(env_var in os.environ for env_var in needed_env_vars):
            self.logger.critical("The following env vars must be set")
            self.logger.critical(str(needed_env_vars))
            return False
        self.logger.debug("All env vars are set")
        if not os.path.isdir(os.environ["VAULT_CONFIG"]):
            self.logger.critical(
                os.environ["VAULT_CONFIG"] + " is not a valid folder")
            return False
        self.logger.info("Vault address: " + os.environ["VAULT_ADDR"])
        self.logger.info("Vault config folder: " + os.environ["VAULT_CONFIG"])
        return True

    def pull_policies(self):
        """
        Pull policies from vault
        """
        self.logger.debug("Pulling policies")
        distant_policies = self.vault_client.policy_list()
        self.logger.info("Distant policies found:" + str(distant_policies))
        for policy in distant_policies:
            # policy name will always be 'type_name_policy'
            splitted = policy.split("_")
            if len(splitted) != 3 or splitted[2] != "policy":
                self.logger.warning("Policy " + policy +
                                    " does not match policy name pattern "
                                    "and will not be pulled")
                continue
            # create the parent folder policy if doest not exists (user, etc...)
            policy_folder = os.path.join(self.policies_folder, splitted[0])
            if not os.path.isdir(policy_folder):
                self.logger.debug("Folder " + policy_folder +
                                  " doest not exists, creating...")
                os.makedirs(policy_folder)
            # create the policy file
            policy_path = os.path.join(policy_folder, splitted[1] + ".hcl")
            with open(policy_path, 'w+') as fd:
                fd.write(self.vault_client.policy_get(policy))
                self.logger.info("Policy " + policy_path + " saved")
        self.logger.info("Policies fetched in policies folder")

    def push_policies(self):
        """
        Push all policies from policies folder to Vault
        """
        self.logger.debug("Push all policies")
        distant_policies = self.vault_client.policy_list()
        local_policies = []
        # Building local policies list
        for policy_file in glob.iglob(os.path.join(self.policies_folder,
                                                   "*/*.hcl"), recursive=True):
            name = os.path.splitext(os.path.basename(policy_file))[0]
            prefix = policy_file.split(os.sep)[-2]
            self.logger.debug("Local policy %s - prefix: %s - name: %s found"
                              % (policy_file, prefix, name))
            with open(policy_file, 'r') as fd:
                local_policies.append({"name": prefix + "_" + name + "_policy",
                                       "content": fd.read()})
        # Removing distant policies which doesn't exists locally
        for distant_policy in distant_policies:
            if distant_policy not in [pol["name"] for pol in local_policies]:
                self.logger.info("Removing distant policy " + distant_policy)
                self.vault_client.policy_delete(distant_policy)
        # Push local policies
        for policy in local_policies:
            self.vault_client.policy_set(policy_name=policy["name"],
                                         policy_content=policy["content"])
            if policy["name"] in distant_policies:
                self.logger.info("Policy %s has been updated" % policy["name"])
            else:
                self.logger.info("Policy %s has been created" % policy["name"])
        self.logger.info("Policies pushed to Vault")

    def run(self, arg_parser, parsed_args):
        """
        Module entry point

        :param arg_parser: Arguments parser instance
        :param parsed_args: Arguments parsed fir this module
        :type parsed_args: argparse.ArgumentParser.parse_args()
        """
        self.parsed_args = parsed_args
        self.logger.debug(self.parsed_args)
        self.arg_parser = arg_parser
        self.logger.debug("Module " + self.module_name + " started")
        if not self.check_args_integrity():
            self.arg_parser.print_help()
            return False
        if not self.check_env_vars():
            return False
        self.policies_folder = os.path.join(os.environ["VAULT_CONFIG"],
                                            "policies")
        if not os.path.isdir(self.policies_folder):
            os.mkdir(self.policies_folder)
        self.vault_client = VaultClient(
            self.base_logger,
            self.parsed_args.dry_run
        )
        self.vault_client.authenticate()
        if self.parsed_args.pull:
            self.logger.info("Pulling Policies from Vault")
            self.pull_policies()
        if self.parsed_args.push:
            self.logger.info("Pushing Policies to Vault")
            self.push_policies()