Ejemplo n.º 1
0
 def test_get_resource_types(self):
     p = StructureParser()
     self.assertEqual(
         p.get_resource_types({
             'policies': [{
                 'resource': 'ec2'
             }, {
                 'resource': 'gcp.instance'
             }]
         }), {'aws.ec2', 'gcp.instance'})
Ejemplo n.º 2
0
def validate(options):
    from c7n import schema

    if len(options.configs) < 1:
        log.error('no config files specified')
        sys.exit(1)

    used_policy_names = set()
    structure = StructureParser()
    errors = []

    for config_file in options.configs:

        config_file = os.path.expanduser(config_file)
        if not os.path.exists(config_file):
            raise ValueError("Invalid path for config %r" % config_file)

        options.dryrun = True
        fmt = config_file.rsplit('.', 1)[-1]

        with open(config_file) as fh:
            if fmt in ('yml', 'yaml', 'json'):
                data = yaml.load(fh.read(), Loader=DuplicateKeyCheckLoader)
            else:
                log.error("The config file must end in .json, .yml or .yaml.")
                raise ValueError("The config file must end in .json, .yml or .yaml.")

        try:
            structure.validate(data)
        except PolicyValidationError as e:
            log.error("Configuration invalid: {}".format(config_file))
            log.error("%s" % e)
            errors.append(e)
            continue

        load_resources(structure.get_resource_types(data))
        schm = schema.generate()
        errors += schema.validate(data, schm)
        conf_policy_names = {
            p.get('name', 'unknown') for p in data.get('policies', ())}
        dupes = conf_policy_names.intersection(used_policy_names)
        if len(dupes) >= 1:
            errors.append(ValueError(
                "Only one policy with a given name allowed, duplicates: %s" % (
                    ", ".join(dupes)
                )
            ))
        used_policy_names = used_policy_names.union(conf_policy_names)
        if not errors:
            null_config = Config.empty(dryrun=True, account_id='na', region='na')
            for p in data.get('policies', ()):
                try:
                    policy = Policy(p, null_config, Bag())
                    policy.validate()
                except Exception as e:
                    msg = "Policy: %s is invalid: %s" % (
                        p.get('name', 'unknown'), e)
                    errors.append(msg)
        if not errors:
            log.info("Configuration valid: {}".format(config_file))
            continue

        log.error("Configuration invalid: {}".format(config_file))
        for e in errors:
            log.error("%s" % e)
    if errors:
        sys.exit(1)
Ejemplo n.º 3
0
def validate(options):
    from c7n import schema

    if len(options.configs) < 1:
        log.error('no config files specified')
        sys.exit(1)

    used_policy_names = set()
    structure = StructureParser()
    errors = []
    found_deprecations = False
    footnotes = deprecated.Footnotes()

    for config_file in options.configs:

        config_file = os.path.expanduser(config_file)
        if not os.path.exists(config_file):
            raise ValueError("Invalid path for config %r" % config_file)

        options.dryrun = True
        fmt = config_file.rsplit('.', 1)[-1]

        with open(config_file) as fh:
            if fmt in ('yml', 'yaml', 'json'):
                # our loader is safe loader derived.
                data = yaml.load(
                    fh.read(),
                    Loader=DuplicateKeyCheckLoader)  # nosec nosemgrep
            else:
                log.error("The config file must end in .json, .yml or .yaml.")
                raise ValueError(
                    "The config file must end in .json, .yml or .yaml.")

        try:
            structure.validate(data)
        except PolicyValidationError as e:
            log.error("Configuration invalid: {}".format(config_file))
            log.error("%s" % e)
            errors.append(e)
            continue

        load_resources(structure.get_resource_types(data))
        schm = schema.generate()
        errors += schema.validate(data, schm)
        conf_policy_names = {
            p.get('name', 'unknown')
            for p in data.get('policies', ())
        }
        dupes = conf_policy_names.intersection(used_policy_names)
        if len(dupes) >= 1:
            errors.append(
                ValueError(
                    "Only one policy with a given name allowed, duplicates: %s"
                    % (", ".join(dupes))))
        used_policy_names = used_policy_names.union(conf_policy_names)
        source_locator = None
        if fmt in ('yml', 'yaml'):
            # For yaml files there is at least the expectation that the policy
            # name is on a line by itself. With JSON, the file could be one big
            # line. At this stage we are only attempting to find line number for
            # policies in yaml files.
            source_locator = SourceLocator(config_file)
        if not errors:
            null_config = Config.empty(dryrun=True,
                                       account_id='na',
                                       region='na')
            for p in data.get('policies', ()):
                try:
                    policy = Policy(p, null_config, Bag())
                    policy.validate()
                    # If the policy is invalid, there isn't much point checking
                    # for deprecated usage as there is no guarantee as to the
                    # state of the policy.
                    if options.check_deprecations != deprecated.SKIP:
                        report = deprecated.report(policy)
                        if report:
                            found_deprecations = True
                            log.warning(
                                "deprecated usage found in policy\n" +
                                report.format(source_locator=source_locator,
                                              footnotes=footnotes))

                except Exception as e:
                    msg = "Policy: %s is invalid: %s" % (p.get(
                        'name', 'unknown'), e)
                    errors.append(msg)
        if not errors:
            log.info("Configuration valid: {}".format(config_file))
            continue

        log.error("Configuration invalid: {}".format(config_file))
        for e in errors:
            log.error("%s" % e)
    if found_deprecations:
        notes = footnotes()
        if notes:
            log.warning("deprecation footnotes:\n" + notes)
        if options.check_deprecations == deprecated.STRICT:
            sys.exit(1)
    if errors:
        sys.exit(1)