コード例 #1
0
ファイル: kube_config.py プロジェクト: salsify/k8s-python
def load_kube_config(config_file=None, context=None,
                     client_configuration=None,
                     persist_config=True):
    """Loads authentication and cluster information from kube-config file
    and stores them in kubernetes.client.configuration.

    :param config_file: Name of the kube-config file.
    :param context: set the active context. If is set to None, current_context
        from config file will be used.
    :param client_configuration: The kubernetes.client.Configuration to
        set configs to.
    :param persist_config: If True, config file will be updated when changed
        (e.g GCP token refresh).
    """

    if config_file is None:
        config_file = os.path.expanduser(KUBE_CONFIG_DEFAULT_LOCATION)

    config_persister = None
    if persist_config:
        def _save_kube_config(config_map):
            with open(config_file, 'w') as f:
                yaml.safe_dump(config_map, f, default_flow_style=False)
        config_persister = _save_kube_config

    loader = _get_kube_config_loader_for_yaml_file(
        config_file, active_context=context,
        config_persister=config_persister)
    if client_configuration is None:
        config = type.__call__(Configuration)
        loader.load_and_set(config)
        Configuration.set_default(config)
    else:
        loader.load_and_set(client_configuration)
コード例 #2
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ファイル: conftest.py プロジェクト: rancher/longhorn-tests
def pytest_collection_modifyitems(config, items):
    c = Configuration()
    c.assert_hostname = False
    Configuration.set_default(c)
    k8sconfig.load_incluster_config()
    core_api = k8sclient.CoreV1Api()

    check_longhorn(core_api)

    if config.getoption(SKIP_RECURRING_JOB_OPT):
        skip_upgrade = pytest.mark.skip(reason="remove " +
                                               SKIP_RECURRING_JOB_OPT +
                                               " option to run")
        for item in items:
            if "recurring_job" in item.keywords:
                item.add_marker(skip_upgrade)

    using_csi = check_csi(core_api)
    if using_csi:
        skip_upgrade = pytest.mark.skip(reason="environment is not using " +
                                               "flexvolume")
        for item in items:
            if "flexvolume" in item.keywords:
                item.add_marker(skip_upgrade)

    else:
        skip_upgrade = pytest.mark.skip(reason="environment is not " +
                                               "using csi")
        for item in items:
            if "csi" in item.keywords:
                item.add_marker(skip_upgrade)

    all_nodes_support_mount_propagation = True
    for node in get_longhorn_api_client().list_node():
        node = wait_for_node_mountpropagation_condition(
            get_longhorn_api_client(), node["name"])
        if "conditions" not in node.keys():
            all_nodes_support_mount_propagation = False
        else:
            conditions = node["conditions"]
            for key, condition in conditions.iteritems():
                if key == NODE_CONDITION_MOUNTPROPAGATION and \
                        condition["status"] != CONDITION_STATUS_TRUE:
                    all_nodes_support_mount_propagation = False
                    break
        if not all_nodes_support_mount_propagation:
            break

    if not all_nodes_support_mount_propagation:
        skip_upgrade = pytest.mark.skip(reason="environment does not " +
                                               "support base image")
        skip_node = pytest.mark.skip(reason="environment does not " +
                                            "support mount disk")

        for item in items:
            if "baseimage" in item.keywords:
                item.add_marker(skip_upgrade)
            elif "mountdisk" in item.keywords:
                item.add_marker(skip_node)
コード例 #3
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ファイル: client.py プロジェクト: capitalone/cloud-custodian
 def client(self, group, version):
     client_config = Configuration()
     config.load_kube_config(self.config_file, client_configuration=client_config)
     client_config.proxy = self.http_proxy
     api_client = ApiClient(configuration=client_config)
     log.debug('connecting to %s' % (api_client.configuration.host))
     # e.g. client.CoreV1Api()
     return getattr(client, '%s%sApi' % (group, version))(api_client)
コード例 #4
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def _load_kube_config(in_cluster, cluster_context, config_file):
    from kubernetes import config, client
    if in_cluster:
        config.load_incluster_config()
    else:
        config.load_kube_config(config_file=config_file, context=cluster_context)
    if PY2:
        # For connect_get_namespaced_pod_exec
        from kubernetes.client import Configuration
        configuration = Configuration()
        configuration.assert_hostname = False
        Configuration.set_default(configuration)
    return client.CoreV1Api()
コード例 #5
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 def __init__(self, kube_config_file_path):
     """
     Initialize with default values if not defined
     Note: Need to initialize parameters in test side to make this working. Not sure for reason.
     Parameters are initialized here to give tip for IDE which kind of classes those are.
     :param k8s_client: Kubernetes api client
     :param corev1: corev1 api client
     :param storage_class: storage class api client
     :param daemon: daemonset  api client
     """
     load_kube_config(config_file=kube_config_file_path)
     self.corev1 = CoreV1Api()
     self.storage_class = StorageV1Api()
     self.k8s_client = ApiClient(Configuration())
     self.daemon = AppsV1Api(ApiClient())
コード例 #6
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def main(args):
    # load job definition from the job file
    with open(args.job, 'r') as fi:
        job = yaml.safe_load(fi)
    config.load_kube_config()
    c = Configuration()
    sch = PodScheduler(
        name=job['name'],
        image=job['image'],
        tasks=job['tasks'],
        node_selector=job.get('nodeSelector'),
        namespace=job.get('ns', 'default'),
        workers_num=job.get('workers_num', 50)
    )
    sch.run_scheduler()
コード例 #7
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def print_join_token():
    import os
    from api.api_client import running_in_docker_container
    from kubernetes.client import Configuration
    master_ip = Configuration().host.split(':')[1][2:]
    master_port = Configuration().host.split(':')[2]

    ca_cert = '/etc/kubernetes/pki/ca.crt'
    if not os.path.exists(ca_cert):
        ca_cert = '/etc/kubernetes/ca.crt'

    if running_in_docker_container():
        ca_cert = '/tmp' + ca_cert

    join_token_path = os.path.dirname(os.path.realpath(__file__)) + '/engine/join_token.sh'
    tokens = engine.utils.list_boostrap_tokens_decoded()

    if not tokens:
        print("No bootstrap tokens exist")
    else:
        for token in tokens:
            command = 'sh ' + join_token_path + ' ' + ' '.join([master_ip, master_port, ca_cert, token])
            print('\nExecute: %s' % command)
            os.system(command)
コード例 #8
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def load_kube_config(config_file=None,
                     context=None,
                     client_configuration=None,
                     persist_config=True):
    """Loads authentication and cluster information from kube-config file
    and stores them in kubernetes.client.configuration.

    :param config_file: Name of the kube-config file.
    :param context: set the active context. If is set to None, current_context
        from config file will be used.
    :param client_configuration: The kubernetes.client.Configuration to
        set configs to.
    :param persist_config: If True, config file will be updated when changed
        (e.g GCP token refresh).
    """

    if config_file is None:
        config_file = os.path.expanduser(KUBE_CONFIG_DEFAULT_LOCATION)

    config_persister = None
    if persist_config:

        def _save_kube_config(config_map):
            with open(config_file, 'w') as f:
                yaml.safe_dump(config_map, f, default_flow_style=False)

        config_persister = _save_kube_config

    loader = _get_kube_config_loader_for_yaml_file(
        config_file, active_context=context, config_persister=config_persister)
    if client_configuration is None:
        config = type.__call__(Configuration)
        loader.load_and_set(config)
        Configuration.set_default(config)
    else:
        loader.load_and_set(client_configuration)
コード例 #9
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 def __init__(self):
     config = ConfigParser()
     config.read("config.ini")
     self.token = config.get("kubernetes", "token")
     self.host = "https://{}:6443".format(
         config.get("kubernetes", "api_host"))
     self.configuration = Configuration()
     self.configuration.api_key['authorization'] = self.token
     self.configuration.api_key_prefix['authorization'] = 'Bearer'
     self.configuration.host = self.host
     self.configuration.verify_ssl = False
     self.api_client = ApiClient(self.configuration)
     self.api_client.configuration.debug = True
     self.node_list = [
         i.strip() for i in config.get("kubernetes", "node").split(",")
     ]
コード例 #10
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def get_config(cluster):
    '''
    :param cluster:  k8s集群的配置对象
    :return:   返回一个config对象
    '''
    configuration = Configuration()
    configuration.verify_ssl = False
    configuration.host = cluster.api
    configuration.api_key['authorization'] = cluster.token
    configuration.api_key_prefix['authorization'] = 'Bearer'
    return configuration
コード例 #11
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def main(args):
    # load job definition from the job file
    with open(args.job, 'r') as fi:
        job = yaml.safe_load(fi)
    config.load_kube_config()
    c = Configuration()
    assert os.path.exists(args.log_path) and os.path.isdir(args.log_path)
    sch = PodScheduler(pod_name=job['name'],
                       image=job['image'],
                       tasks=job['tasks'],
                       node_selector=job.get('nodeSelector'),
                       namespace=job.get('ns', 'default'),
                       workers_num=job.get('workers_num', 50),
                       log_path=args.log_path,
                       verbose=args.verbose)
    sch.run_scheduler()
    print("main: done")
コード例 #12
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 def get_api_client() -> CoreV1Api:
     """
     Obtain API client for kubenernetes; if running in a pod,
     load service account identity, otherwise load kubeconfig
     """
     logger.debug("Initialize kubernetes client")
     configuration = Configuration()
     if "KUBERNETES_SERVICE_HOST" in os.environ:
         logger.info("loading incluster config")
         load_incluster_config(client_configuration=configuration)
     else:
         logger.info("loading kubeconfig")
         load_kube_config(client_configuration=configuration)
     if not configuration.api_key:
         raise SandcastleException(
             "No api_key, can't access any cluster.\n")
     return CoreV1Api(ApiClient(configuration=configuration))
コード例 #13
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def main():
    logger = create_logger(PurePath(__file__).stem)

    config.load_incluster_config()

    configuration = Configuration()
    configuration.verify_ssl = False
    configuration.assert_hostname = False
    urllib3.disable_warnings()
    Configuration.set_default(configuration)

    api = core_v1_api.CoreV1Api()
    label_selector = getenv('LABEL_SELECTOR', 'role=greyhole')
    namespace = getenv('NAMESPACE', 'storage')
    command_switch = getenv('COMMAND_SWITCH', '')

    k8s_response = api.list_namespaced_pod(namespace=namespace,
                                           label_selector=label_selector)

    logger.info(f'ENV Commands {label_selector} {namespace} {command_switch}')
    logger.debug(f'{k8s_response}')

    for pod in k8s_response.items:
        name = pod.metadata.name

        k8s_response = api.read_namespaced_pod(name=name, namespace=namespace)

        exec_command = ['/bin/sh', '-c']

        if command_switch.lower() == 'monthly':
            exec_command.append('greyhole --fsck --checksums')
        elif command_switch.lower() == 'weekly':
            exec_command.append(
                'greyhole --fsck --dont-walk-metadata-store --disk-usage-report'
            )
        elif command_switch.lower() == 'daily':
            exec_command.append(
                'greyhole --fsck --if-conf-changed --dont-walk-metadata-store')
        else:
            exec_command.append('greyhole --process-spool --keepalive')

        k8s_response = stream(api.connect_get_namespaced_pod_exec,
                              name,
                              namespace,
                              command=exec_command,
                              stderr=True,
                              stdin=False,
                              stdout=True,
                              tty=False)

        logger.info(f'Cleanup {name}: {k8s_response}')

    logger.info(f'Successfully executed cron job')
コード例 #14
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    def testDefaultConfiguration(self):
        # prepare default configuration
        c1 = Configuration(host="example.com")
        c1.debug = True
        Configuration.set_default(c1)

        # get default configuration
        c2 = Configuration.get_default_copy()
        self.assertEqual(c2.host, "example.com")
        self.assertTrue(c2.debug)

        self.assertNotEqual(id(c1.api_key), id(c2.api_key))
        self.assertNotEqual(id(c1.api_key_prefix), id(c2.api_key_prefix))
コード例 #15
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 def _set_config(self, refresh_token):
     configuration = Configuration()
     configuration.host = self.host
     configuration.ssl_ca_cert = self.ssl_ca_cert
     configuration.api_key['authorization'] = "bearer " + self.token
     Configuration.set_default(configuration)
     if not refresh_token:
         return
     def wrap(f):
         in_cluster_config = self
         def wrapped(self, identifier):
             if identifier == 'authorization' and identifier in self.api_key and in_cluster_config.token_expires_at <= datetime.datetime.now():
                 in_cluster_config._read_token_file()
                 self.api_key[identifier] = "bearer " + in_cluster_config.token
             return f(self, identifier)
         return wrapped
     Configuration.get_api_key_with_prefix = wrap(Configuration.get_api_key_with_prefix)
コード例 #16
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def _load_incluster_config():
    incluster_config.load_incluster_config()
    config = Configuration()

    namespace_path = join(dirname(incluster_config.SERVICE_CERT_FILENAME),
                          'namespace')
    with open(namespace_path) as fd:
        config.namespace = fd.read().strip()

    # [todo] is there a better way to do this?
    with open('/etc/resolv.conf') as fd:
        data = fd.read().strip().split('\n')
        config.dns_domain = [
            line for line in data if line.startswith('search')
        ][0].split()[3]

    Configuration.set_default(config)
    return Configuration._default
コード例 #17
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ファイル: kube.py プロジェクト: ermbutler/tator
    def __init__(self, alg):
        """ Intializes the connection. If algorithm object includes
            a remote cluster, use that. Otherwise, use this cluster.
        """
        if alg.cluster:
            host = alg.cluster.host
            port = alg.cluster.port
            token = alg.cluster.token
            fd, cert = tempfile.mkstemp(text=True)
            with open(fd, 'w') as f:
                f.write(alg.cluster.cert)
            conf = Configuration()
            conf.api_key['authorization'] = token
            conf.host = f'{PROTO}{host}:{port}'
            conf.verify_ssl = True
            conf.ssl_ca_cert = cert
            api_client = ApiClient(conf)
            self.corev1 = CoreV1Api(api_client)
            self.custom = CustomObjectsApi(api_client)
        else:
            load_incluster_config()
            self.corev1 = CoreV1Api()
            self.custom = CustomObjectsApi()

        # Read in the manifest.
        if alg.manifest:
            self.manifest = yaml.safe_load(alg.manifest.open(mode='r'))

            if 'volumeClaimTemplates' in self.manifest['spec']:
                for claim in self.manifest['spec']['volumeClaimTemplates']:
                    storage_class_name = claim['spec'].get(
                        'storageClassName', None)
                    if storage_class_name is None:
                        claim['storageClassName'] = os.getenv(
                            'WORKFLOW_STORAGE_CLASS')
                        logger.warning(
                            f"Implicitly sc to pvc of Algo:{alg.pk}")

        # Save off the algorithm.
        self.alg = alg
コード例 #18
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def load_kubernetes_config():
    """
    dynamic load config file
    :return:
    """
    # use kube config default location while there are no ENVIRONMENTS about kubernetes config
    try:
        if KUBE_HOST is not None:
            from kubernetes.client import Configuration

            configuration = Configuration()
            configuration.host = KUBE_HOST
            configuration.verify_ssl = False

            Configuration.set_default(configuration)
            return

        config.load_kube_config()
        if KUBE_CONFIG_FILE is not None:
            config.load_kube_config(KUBE_CONFIG_FILE)
    except FileNotFoundError as e:
        raise Exception(str(e), 500)
コード例 #19
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ファイル: kube.py プロジェクト: wansuiye09/tator
    def __init__(self):
        """ Intializes the connection. If environment variables for
            remote transcode are defined, connect to that cluster.
        """
        host = os.getenv('REMOTE_TRANSCODE_HOST')
        port = os.getenv('REMOTE_TRANSCODE_PORT')
        token = os.getenv('REMOTE_TRANSCODE_TOKEN')
        cert = os.getenv('REMOTE_TRANSCODE_CERT')

        if host:
            conf = Configuration()
            conf.api_key['authorization'] = token
            conf.host = f'https://{host}:{port}'
            conf.verify_ssl = True
            conf.ssl_ca_cert = cert
            api_client = ApiClient(conf)
            self.corev1 = CoreV1Api(api_client)
            self.custom = CustomObjectsApi(api_client)
        else:
            load_incluster_config()
            self.corev1 = CoreV1Api()
            self.custom = CustomObjectsApi()
コード例 #20
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def _load_kube_config(*args, **kwargs):
    try:
        kube_config.load_kube_config()
    except kubernetes.ConfigException as exc:
        if 'File does not exist' in exc.message:
            raise KubedConfigNotFound from exc
        elif 'Invalid kube-config file' in exc.message:
            raise KubedConfigInvalid from exc

    config = Configuration()

    config_path = kwargs.get(
        'config_file', expanduser(kube_config.KUBE_CONFIG_DEFAULT_LOCATION))
    with open(config_path) as fd:
        data = yaml.load(fd)

    current_ctx = data['current-context']
    for context in data['contexts']:
        if context['name'] == current_ctx:
            config.namespace = context['context']['namespace']
    config.dns_domain = os.getenv('KUBE_DOMAIN', 'cluster.local')
    Configuration.set_default(config)
    return Configuration._default
コード例 #21
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def connect():
    if os.environ.get('RD_CONFIG_ENV') == 'incluster':
        config.load_incluster_config()
        return

    config_file = None
    if os.environ.get('RD_CONFIG_CONFIG_FILE'):
        config_file = os.environ.get('RD_CONFIG_CONFIG_FILE')

    url = None
    if os.environ.get('RD_CONFIG_URL'):
        url = os.environ.get('RD_CONFIG_URL')

    verify_ssl = None
    if os.environ.get('RD_CONFIG_VERIFY_SSL'):
        verify_ssl = os.environ.get('RD_CONFIG_VERIFY_SSL')

    ssl_ca_cert = None
    if os.environ.get('RD_CONFIG_SSL_CA_CERT'):
        ssl_ca_cert = os.environ.get('RD_CONFIG_SSL_CA_CERT')

    token = None
    if os.environ.get('RD_CONFIG_TOKEN'):
        token = os.environ.get('RD_CONFIG_TOKEN')

    log.debug("config file")
    log.debug(config_file)
    log.debug("-------------------")

    if config_file:
        log.debug("getting settings from file %s" % config_file)
        config.load_kube_config(config_file=config_file)
    else:

        if url:
            log.debug("getting settings from pluing configuration")

            configuration = Configuration()
            configuration.host = url

            if verify_ssl == 'true':
                configuration.verify_ssl = verify_ssl
            else:
                configuration.verify_ssl = None

            if ssl_ca_cert:
                configuration.ssl_ca_cert = ssl_ca_cert

            configuration.api_key['authorization'] = token
            configuration.api_key_prefix['authorization'] = 'Bearer'

            client.Configuration.set_default(configuration)
        else:
            log.debug("getting from default config file")
            config.load_kube_config()

    c = Configuration()
    c.assert_hostname = False
    Configuration.set_default(c)
コード例 #22
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 def _set_config(self):
     configuration = Configuration()
     configuration.host = self.host
     configuration.ssl_ca_cert = self.ssl_ca_cert
     configuration.api_key['authorization'] = "bearer " + self.token
     Configuration.set_default(configuration)
コード例 #23
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    def __init__(self,
                 cluster_spec,
                 cluster_conf=None,
                 kubeconfig=None,
                 kubeconfig_context=None,
                 cephfs=False,
                 cephfs_volume_size=None,
                 cvmfs=False,
                 debug=False,
                 url=None):
        """Initialise Kubernetes specific ReanaBackend-object.

        :param cluster_spec: Dictionary representing complete REANA
            cluster spec file.

        :param cluster_conf: A generator/iterable of Kubernetes YAML manifests
            of REANA components as Python objects. If set to `None`
            cluster_conf will be generated from manifest templates in
            `templates` folder specified in `_conf.templates_folder`

        :param kubeconfig: Name of the kube-config file to use for configuring
            reana-cluster. If set to `None` then `$HOME/.kube/config` will be
            used.
            Note: Might pickup a config-file defined in $KUBECONFIG as well.

        :param kubeconfig_context: set the active context. If is set to `None`,
            current_context from config file will be used.
        :param cephfs: Boolean flag toggling the usage of a cephfs volume as
            storage backend.
        :param cephfs_volume_size: Int number which represents cephfs volume
            size (GB)
        :param cvmfs: Boolean flag toggling the mounting of cvmfs volumes in
            the cluster pods.
        :param debug: Boolean flag setting debug mode.
        :param url: REANA cluster url.
        """
        logging.debug('Creating a ReanaBackend object '
                      'for Kubernetes interaction.')

        # Load Kubernetes cluster configuration. If reana-cluster.yaml
        # doesn't specify this K8S Python API defaults to '$HOME/.kube/config'
        self.kubeconfig = kubeconfig or \
            cluster_spec['cluster'].get('config', None)
        self.kubeconfig_context = kubeconfig_context or \
            cluster_spec['cluster'].get('config_context', None)

        k8s_api_client_config = Configuration()

        if cluster_spec['cluster'].get('kubeproxy', None):
            k8s_api_client_config.host = cluster_spec['cluster'].get(
                'kubeproxy')
        else:
            k8s_config.load_kube_config(kubeconfig, self.kubeconfig_context,
                                        k8s_api_client_config)

        Configuration.set_default(k8s_api_client_config)

        # Instantiate clients for various Kubernetes REST APIs
        self._corev1api = k8s_client.CoreV1Api()
        self._versionapi = k8s_client.VersionApi()
        self._extbetav1api = k8s_client.ExtensionsV1beta1Api()
        self._rbacauthorizationv1api = k8s_client.RbacAuthorizationV1Api()
        self._storagev1api = k8s_client.StorageV1Api()

        self.k8s_api_client_config = k8s_api_client_config

        self.cluster_spec = cluster_spec
        self.cluster_conf = cluster_conf or \
            self.generate_configuration(cluster_spec,
                                        cephfs=cephfs,
                                        cephfs_volume_size=cephfs_volume_size,
                                        debug=debug,
                                        url=url)
コード例 #24
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 def test_get_api_key_with_prefix_returns_token(self):
     expected_token = 'expected_token'
     config = Configuration()
     config.api_key['authorization'] = expected_token
     self.assertEqual(expected_token,
                      config.get_api_key_with_prefix('authorization'))
コード例 #25
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def _get_api(cluster):
    """ Get custom objects api associated with a cluster specifier.
    """
    if cluster is None:
        load_incluster_config()
        api = CustomObjectsApi()
    elif cluster == 'remote_transcode':
        host = os.getenv('REMOTE_TRANSCODE_HOST')
        port = os.getenv('REMOTE_TRANSCODE_PORT')
        token = os.getenv('REMOTE_TRANSCODE_TOKEN')
        cert = os.getenv('REMOTE_TRANSCODE_CERT')
        conf = Configuration()
        conf.api_key['authorization'] = token
        conf.host = f'https://{host}:{port}'
        conf.verify_ssl = True
        conf.ssl_ca_cert = cert
        api_client = ApiClient(conf)
        api = CustomObjectsApi(api_client)
    else:
        cluster_obj = JobCluster.objects.get(pk=cluster)
        host = cluster_obj.host
        port = cluster_obj.port
        token = cluster_obj.token
        fd, cert = tempfile.mkstemp(text=True)
        with open(fd, 'w') as f:
            f.write(cluster_obj.cert)
        conf = Configuration()
        conf.api_key['authorization'] = token
        conf.host = f'https://{host}:{port}'
        conf.verify_ssl = True
        conf.ssl_ca_cert = cert
        api_client = ApiClient(conf)
        api = CustomObjectsApi(api_client)
    return api
コード例 #26
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ファイル: exec.py プロジェクト: bshelton229/python
import time

from kubernetes import config
from kubernetes.client import Configuration
from kubernetes.client.apis import core_v1_api
from kubernetes.client.rest import ApiException
from kubernetes.stream import stream

config.load_kube_config()
c = Configuration()
c.assert_hostname = False
Configuration.set_default(c)
api = core_v1_api.CoreV1Api()
name = 'busybox-test'

resp = None
try:
    resp = api.read_namespaced_pod(name=name,
                                   namespace='default')
except ApiException as e:
    if e.status != 404:
        print("Unknown error: %s" % e)
        exit(1)

if not resp:
    print("Pod %s does not exist. Creating it..." % name)
    pod_manifest = {
        'apiVersion': 'v1',
        'kind': 'Pod',
        'metadata': {
            'name': name
コード例 #27
0
    def __init__(self,
                 cluster_spec,
                 cluster_conf=None,
                 kubeconfig=None,
                 kubeconfig_context=None,
                 eos=False,
                 cephfs=False,
                 cephfs_volume_size=None,
                 cephfs_storageclass=None,
                 cephfs_os_share_id=None,
                 cephfs_os_share_access_id=None,
                 debug=False,
                 url=None,
                 ui=None):
        """Initialise Kubernetes specific ReanaBackend-object.

        :param cluster_spec: Dictionary representing complete REANA
            cluster spec file.

        :param cluster_conf: A generator/iterable of Kubernetes YAML manifests
            of REANA components as Python objects. If set to `None`
            cluster_conf will be generated from manifest templates in
            `templates` folder specified in `_conf.templates_folder`

        :param kubeconfig: Name of the kube-config file to use for configuring
            reana-cluster. If set to `None` then `$HOME/.kube/config` will be
            used.
            Note: Might pickup a config-file defined in $KUBECONFIG as well.

        :param kubeconfig_context: set the active context. If is set to `None`,
            current_context from config file will be used.
        :param eos: Boolean flag toggling the mount of EOS volume for jobs.
        :param cephfs: Boolean flag toggling the usage of a cephfs volume as
            storage backend.
        :param cephfs_volume_size: Int number which represents cephfs volume
            size (GB)
        :param cephfs_storageclass: Name of an existing cephfs storageclass.
        :param cephfs_os_share_id: CephFS Manila share id.
        :param cephfs_os_share_access_id: CephFS Manila share access id.
        :param debug: Boolean flag setting debug mode.
        :param url: REANA cluster url.
        :param ui: Should REANA be deployed with REANA-UI?.
        """
        logging.debug('Creating a ReanaBackend object '
                      'for Kubernetes interaction.')

        # Load Kubernetes cluster configuration. If reana-cluster-minikube.yaml
        # doesn't specify this K8S Python API defaults to '$HOME/.kube/config'
        self.kubeconfig = kubeconfig or \
            cluster_spec['cluster'].get('config', None)
        self.kubeconfig_context = kubeconfig_context or \
            cluster_spec['cluster'].get('config_context', None)

        k8s_api_client_config = Configuration()

        k8s_config.load_kube_config(kubeconfig, self.kubeconfig_context,
                                    k8s_api_client_config)

        Configuration.set_default(k8s_api_client_config)

        # Instantiate clients for various Kubernetes REST APIs
        self._corev1api = k8s_client.CoreV1Api()
        self._versionapi = k8s_client.VersionApi()
        self._appsv1api = k8s_client.AppsV1Api()
        self._rbacauthorizationv1api = k8s_client.RbacAuthorizationV1Api()
        self._storagev1api = k8s_client.StorageV1Api()
        self._networkingv1api = k8s_client.NetworkingV1beta1Api()

        self.k8s_api_client_config = k8s_api_client_config

        self.cluster_spec = cluster_spec
        self.cluster_conf = cluster_conf or \
            self.generate_configuration(
                cluster_spec,
                eos=eos,
                cephfs=cephfs,
                cephfs_volume_size=cephfs_volume_size,
                cephfs_storageclass=cephfs_storageclass,
                cephfs_os_share_id=cephfs_os_share_id,
                cephfs_os_share_access_id=cephfs_os_share_access_id,
                debug=debug,
                url=url,
                ui=ui)
コード例 #28
0
def k8s_default_config() -> Configuration:
    return Configuration()
コード例 #29
0
ファイル: k8s-handle.py プロジェクト: neumeika/k8s-handle
def main():
    # INFO furiousassault: backward compatibility rough attempt
    # must be removed later according to https://github.com/2gis/k8s-handle/issues/40
    deprecation_warnings = 0
    filtered_arguments = []

    for argument in sys.argv[1:]:
        if argument in ['--sync-mode=true', '--sync-mode=True', '--dry-run=true', '--dry-run=True']:
            deprecation_warnings += 1
            filtered_arguments.append(argument.split('=')[0])
            continue

        if argument in ['--sync-mode=false', '--sync-mode=False', '--dry-run=false', '--dry-run=False']:
            deprecation_warnings += 1
            continue

        filtered_arguments.append(argument)

    args, unrecognized_args = parser.parse_known_args(filtered_arguments)

    if deprecation_warnings or unrecognized_args:
        log.warning("Explicit true/false arguments to --sync-mode and --dry-run keys are deprecated "
                    "and will be removed in the future. Use these keys without arguments instead.")

    if 'config' in args and args.config:
        settings.CONFIG_FILE = args.config

    if 'tries' in args:
        settings.CHECK_STATUS_TRIES = args.tries
        settings.CHECK_DAEMONSET_STATUS_TRIES = args.tries

    if 'retry_delay' in args:
        settings.CHECK_STATUS_TIMEOUT = args.retry_delay
        settings.CHECK_DAEMONSET_STATUS_TIMEOUT = args.retry_delay

    if 'strict' in args:
        settings.GET_ENVIRON_STRICT = args.strict

    if 'tail_lines' in args:
        settings.COUNT_LOG_LINES = args.tail_lines

    show_logs = False

    if 'show_logs' in args:
        show_logs = args.show_logs

    try:
        context = config.load_context_section(args.section)
        render = templating.Renderer(settings.TEMPLATES_DIR)
        resources = render.generate_by_context(context)
        # INFO rvadim: https://github.com/kubernetes-client/python/issues/430#issuecomment-359483997

        if args.dry_run:
            return

        if 'use_kubeconfig' in args and args.use_kubeconfig:
            load_kube_config()
            namespace = list_kube_config_contexts()[1].get('context').get('namespace')

            if not namespace:
                raise RuntimeError("Unable to determine namespace of current context")

            settings.K8S_NAMESPACE = namespace
        else:
            Configuration.set_default(get_client_config(context))
            check_required_vars(context, ['k8s_master_uri', 'k8s_token', 'k8s_ca_base64', 'k8s_namespace'])

        if context.get('k8s_namespace'):
            settings.K8S_NAMESPACE = context.get('k8s_namespace')

        log.info('Default namespace "{}"'.format(settings.K8S_NAMESPACE))
        p = Provisioner(args.command, args.sync_mode, show_logs)
        d = ApiDeprecationChecker(VersionApi().get_code().git_version[1:])

        for resource in resources:
            d.run(resource)

        for resource in resources:
            p.run(resource)

    except templating.TemplateRenderingError as e:
        log.error('Template generation error: {}'.format(e))
        sys.exit(1)
    except InvalidYamlError as e:
        log.error('{}'.format(e))
        sys.exit(1)
    except DeprecationError as e:
        log.error('Deprecation warning: {}'.format(e))
        sys.exit(1)
    except RuntimeError as e:
        log.error('RuntimeError: {}'.format(e))
        sys.exit(1)
    except ProvisioningError:
        sys.exit(1)

    print('''
                         _(_)_                          wWWWw   _
             @@@@       (_)@(_)   vVVVv     _     @@@@  (___) _(_)_
            @@()@@ wWWWw  (_)\    (___)   _(_)_  @@()@@   Y  (_)@(_)
             @@@@  (___)     `|/    Y    (_)@(_)  @@@@   \|/   (_)
              /      Y       \|    \|/    /(_)    \|      |/      |
           \ |     \ |/       | / \ | /  \|/       |/    \|      \|/
            \|//    \|///    \|//  \|/// \|///    \|//    |//    \|//
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^''')
コード例 #30
0
 def _set_config(self):
     configuration = Configuration()
     configuration.host = self.host
     configuration.ssl_ca_cert = self.ssl_ca_cert
     configuration.api_key['authorization'] = "bearer " + self.token
     Configuration.set_default(configuration)
コード例 #31
0
def update_ecr():
    logger.info('Starting ECR secret update loop ..')
    client = boto3.client('ecr')
    response = client.get_authorization_token()
    token = response['authorizationData'][0]['authorizationToken']
    server = response['authorizationData'][0]['proxyEndpoint']
    bare_server = server.replace('https://', '')
    decoded_token = base64.b64decode(token).decode('utf-8')
    registry_username = decoded_token.split(':')[0]
    registry_password = decoded_token.split(':')[1]

    k8s_config = Configuration()
    k8s_config.host = kubernetes_api_endpoint
    k8s_api_client = ApiClient(configuration=k8s_config)
    v1 = k8sclient.CoreV1Api(api_client=k8s_api_client)
    secrets = v1.list_secret_for_all_namespaces()

    registry_secrets = [
        x for x in secrets.items if x.metadata.name == pull_secret_name
    ]
    logger.info('Found %s registry_secrets matching name %s',
                len(registry_secrets), pull_secret_name)
    for secret in registry_secrets:
        secret_name = secret.metadata.name
        if secret.type == 'kubernetes.io/dockercfg':
            logger.info(
                'Updating secret %s (type kubernetes.io/dockercfg) in namespace %s',
                secret_name, secret.metadata.namespace)
            k8s_secret = {
                server: {
                    'username': registry_username,
                    'password': registry_password
                }
            }

            b64_k8s_secret = base64.b64encode(
                json.dumps(k8s_secret).encode('utf-8')).decode('utf-8')
            body = {
                'kind': 'Secret',
                'apiVersion': 'v1',
                'metadata': {
                    'name': pull_secret_name,
                    'creationTimestamp': None
                },
                'data': {
                    '.dockercfg': b64_k8s_secret
                },
                'type': 'kubernetes.io/dockercfg'
            }
            res = v1.patch_namespaced_secret(secret.metadata.name,
                                             secret.metadata.namespace, body)
        elif secret.type == 'kubernetes.io/dockerconfigjson':
            logger.info(
                'Updating secret %s (type kubernetes.io/dockerconfigjson) in namespace %s',
                secret_name, secret.metadata.namespace)
            k8s_secret = {
                'auths': {
                    bare_server: {
                        'username': registry_username,
                        'password': registry_password
                    }
                }
            }
            b64_k8s_secret = base64.b64encode(
                json.dumps(k8s_secret).encode('utf-8')).decode('utf-8')
            body = {
                'kind': 'Secret',
                'apiVersion': 'v1',
                'metadata': {
                    'name': pull_secret_name,
                    'creationTimestamp': None
                },
                'data': {
                    '.dockerconfigjson': b64_k8s_secret
                },
                'type': 'kubernetes.io/dockerconfigjson'
            }
            res = v1.patch_namespaced_secret(secret.metadata.name,
                                             secret.metadata.namespace, body)
        else:
            logger.warning('Unknown secret type for secret name %s: %s'.format(
                secret_name, secret.type))
コード例 #32
0
ファイル: common.py プロジェクト: niusmallnan/longhorn-tests
def load_k8s_config():
    c = Configuration()
    c.assert_hostname = False
    Configuration.set_default(c)
    k8sconfig.load_incluster_config()
コード例 #33
0
ファイル: run.py プロジェクト: sandwichcloud/deli
    def run(self, args) -> int:
        cache_client.connect(url=args.redis_url)

        if args.kube_config != "" or args.kube_master != "":
            self.logger.info("Using kube-config configuration")
            Configuration.set_default(Configuration())
            if args.kube_config != "":
                config.load_kube_config(config_file=args.kube_config)
            if args.kube_master != "":
                Configuration._default.host = args.kube_master

        else:
            self.logger.info("Using in-cluster configuration")
            config.load_incluster_config()

        while True:
            try:
                client.CoreV1Api().list_namespace()
                break
            except urllib3.exceptions.HTTPError as e:
                self.logger.error("Error connecting to the Kubernetes API. Trying again in 5 seconds. Error: " + str(e))
                time.sleep(5)

        old_json_encoder = json.JSONEncoder.default

        def json_encoder(self, o):  # pragma: no cover
            if isinstance(o, uuid.UUID):
                return str(o)
            if isinstance(o, arrow.Arrow):
                return o.isoformat()
            if isinstance(o, ipaddress.IPv4Network):
                return str(o)
            if isinstance(o, ipaddress.IPv4Address):
                return str(o)
            if isinstance(o, enum.Enum):
                return o.value
            if isinstance(o, datetime.datetime):
                return str(o.isoformat())

            return old_json_encoder(self, o)

        json.JSONEncoder.default = json_encoder

        self.logger.info("Creating CRDs")
        IAMSystemRole.create_crd()
        IAMSystemRole.wait_for_crd()
        IAMProjectRole.create_crd()
        IAMProjectRole.wait_for_crd()

        IAMPolicy.create_crd()
        IAMPolicy.wait_for_crd()
        IAMPolicy.create_system_policy()

        SystemServiceAccount.create_crd()
        SystemServiceAccount.wait_for_crd()
        ProjectServiceAccount.create_crd()
        ProjectServiceAccount.wait_for_crd()

        IAMSystemRole.create_default_roles()
        SystemServiceAccount.create_admin_sa()

        ProjectQuota.create_crd()
        ProjectQuota.wait_for_crd()

        Region.create_crd()
        Region.wait_for_crd()
        Zone.create_crd()
        Zone.wait_for_crd()
        Network.create_crd()
        Network.wait_for_crd()
        NetworkPort.create_crd()
        NetworkPort.wait_for_crd()
        Image.create_crd()
        Image.wait_for_crd()
        Flavor.create_crd()
        Flavor.wait_for_crd()
        Volume.create_crd()
        Volume.wait_for_crd()
        Instance.create_crd()
        Instance.wait_for_crd()
        Keypair.create_crd()
        Keypair.wait_for_crd()
        self.logger.info("CRDs have been created")

        self.menu_url = args.menu_url
        self.vmware = VMWare(args.vcenter_host, args.vcenter_port, args.vcenter_username, args.vcenter_password)

        self.leader_elector = LeaderElector("sandwich-controller", "kube-system", self.on_started_leading,
                                            self.on_stopped_leading)
        self.leader_elector.start()

        return 0
コード例 #34
0
#! /usr/local/bin/python

import time

from kubernetes import config
from kubernetes.client import Configuration
from kubernetes.client.apis import core_v1_api
from kubernetes.client.rest import ApiException
from kubernetes.stream import stream

config.load_kube_config()
c = Configuration()
c.assert_hostname = False
Configuration.set_default(c)
api = core_v1_api.CoreV1Api()
name = 'busybox-test'

resp = None
try:
    resp = api.read_namespaced_pod(name=name, namespace='default')
except ApiException as e:
    if e.status != 404:
        print("Unknown error: %s" % e)
        exit(1)

if not resp:
    print("Pod %s does not exist. Creating it..." % name)
    pod_manifest = {
        'apiVersion': 'v1',
        'kind': 'Pod',
        'metadata': {
コード例 #35
0
 def __init__(self):
     config.load_kube_config(config_file='/root/zcc/hello/config')
     c = Configuration()
     c.assert_hostname = False
     Configuration.set_default(c)
     self.api = core_v1_api.CoreV1Api()
コード例 #36
0
ファイル: job-trigger.py プロジェクト: phmvilela/k8s-jobs
import time
from yaml import load as load_yaml
from flask import Flask
from json import dumps
from kubernetes import client
from kubernetes.client import Configuration, ApiClient
from kubernetes.client.rest import ApiException

app = Flask(__name__)

k8s_local_config = Configuration()
k8s_local_config.host = "localhost:8001"

k8s_local_client = ApiClient(config=k8s_local_config)
batch_api = client.BatchV1Api(api_client=k8s_local_client)


@app.route('/trigger-job', methods=['POST'])
def trigger_job():
    print('trigger-job')

    with open('job-template.yaml', 'r') as yaml_file:
        job_spec = load_yaml(yaml_file)

    job_spec['metadata']['name'] = 'job-%s' % int(time.time() * 1000)

    try:
        batch_api.create_namespaced_job('default', job_spec)

        return dumps({'result': job_spec['metadata']['name']}), 200, {
            "Content-Type": "application/json"