Exemple #1
0
class RegionalServiceConfig(object):
    """
    Single service configuration for non-global services

    :ivar regions:                      Dictionary of regions
    :ivar service:                      Name of the service
    """
    def __init__(self, service_metadata={}, thread_config=4):
        self.regions = {}
        self.thread_config = thread_configs[thread_config]
        self.service = \
            type(self).__name__.replace('Config', '').lower()  # TODO: use regex with EOS instead of plain replace
        if service_metadata != {}:
            self.resource_types = {'global': [], 'region': [], 'vpc': []}
            self.targets = {'first_region': (), 'other_regions': ()}
            for resource in service_metadata['resources']:
                only_first_region = False
                if re.match(r'.*?\.vpcs\.id\..*?',
                            service_metadata['resources'][resource]['path']):
                    self.resource_types['vpc'].append(resource)
                elif re.match(r'.*?\.regions\.id\..*?',
                              service_metadata['resources'][resource]['path']):
                    self.resource_types['region'].append(resource)
                else:
                    only_first_region = True
                    self.resource_types['global'].append(resource)
                resource_metadata = service_metadata['resources'][resource]
                if 'api_call' not in resource_metadata:
                    continue
                params = resource_metadata[
                    'params'] if 'params' in resource_metadata else {}
                ignore_exceptions = True if 'no_exceptions' in resource_metadata and \
                                            resource_metadata['no_exceptions'] == True else False
                if not only_first_region:
                    self.targets['other_regions'] += (
                        (resource, resource_metadata['response'],
                         resource_metadata['api_call'], params,
                         ignore_exceptions), )
                self.targets['first_region'] += (
                    (resource, resource_metadata['response'],
                     resource_metadata['api_call'], params,
                     ignore_exceptions), )

    def init_region_config(self, region):
        """
        Initialize the region's configuration

        :param region:                  Name of the region
        """
        self.regions[region] = self.region_config_class(
            region_name=region, resource_types=self.resource_types)

    def fetch_all(self,
                  credentials,
                  regions=[],
                  partition_name='aws',
                  targets=None):
        """
        Fetch all the configuration supported by Scout2 for a given service

        :param credentials:             F
        :param service:                 Name of the service
        :param regions:                 Name of regions to fetch data from
        :param partition_name:          AWS partition to connect to
        :param targets:                 Type of resources to be fetched; defaults to all.

        """
        # Initialize targets
        # Tweak params
        realtargets = ()
        if not targets:
            targets = self.targets
        for i, target in enumerate(targets['first_region']):
            params = self.tweak_params(target[3], credentials)
            realtargets = realtargets + (
                (target[0], target[1], target[2], params, target[4]), )
        targets['first_region'] = realtargets
        realtargets = ()
        for i, target in enumerate(targets['other_regions']):
            params = self.tweak_params(target[3], credentials)
            realtargets = realtargets + (
                (target[0], target[1], target[2], params, target[4]), )
        targets['other_regions'] = realtargets

        printInfo('Fetching %s config...' % format_service_name(self.service))
        self.fetchstatuslogger = FetchStatusLogger(targets['first_region'],
                                                   True)
        api_service = 'ec2' if self.service.lower(
        ) == 'vpc' else self.service.lower()
        # Init regions
        regions = build_region_list(
            api_service, regions,
            partition_name)  # TODO: move this code within this class
        self.fetchstatuslogger.counts['regions']['discovered'] = len(regions)
        # Threading to fetch & parse resources (queue consumer)
        q = self._init_threading(self._fetch_target, {},
                                 self.thread_config['parse'])
        # Threading to list resources (queue feeder)
        qr = self._init_threading(
            self._fetch_region, {
                'api_service': api_service,
                'credentials': credentials,
                'q': q,
                'targets': ()
            }, self.thread_config['list'])
        # Go
        for i, region in enumerate(regions):
            qr.put((region, targets['first_region']
                    if i == 0 else targets['other_regions']))
        # Join
        qr.join()
        q.join()
        # Show completion and force newline
        self.fetchstatuslogger.show(True)

    def _init_threading(self, function, params={}, num_threads=10):
        """
        Initialize queue and threads

        :param function:
        :param params:
        :param num_threads:
        :return:
        """
        q = Queue(maxsize=0)  # TODO: find something appropriate
        for i in range(num_threads):
            worker = Thread(target=function, args=(q, params))
            worker.setDaemon(True)
            worker.start()
        return q

    def _fetch_region(self, q, params):
        global api_clients
        try:
            while True:
                try:
                    region, targets = q.get()
                    #print('Targets for region %s : %s' % (region, str(targets)))
                    self.init_region_config(region)
                    api_client = connect_service(params['api_service'],
                                                 params['credentials'],
                                                 region,
                                                 silent=True)
                    api_clients[region] = api_client
                    # TODO : something here for single_region stuff
                    self.regions[region].fetch_all(
                        api_client, self.fetchstatuslogger, params['q'],
                        targets)  # params['targets'])
                    self.fetchstatuslogger.counts['regions']['fetched'] += 1
                except Exception as e:
                    printException(e)
                finally:
                    q.task_done()
        except Exception as e:
            printException(e)
            pass

    def _fetch_target(self, q, params):
        try:
            while True:
                try:
                    method, region, target = q.get()
                    backup = copy.deepcopy(target)

                    if method.__name__ == 'store_target':
                        target_type = target['scout2_target_type']
                    else:
                        target_type = method.__name__.replace('parse_',
                                                              '') + 's'
                    method(params, region, target)
                    self.fetchstatuslogger.counts[target_type]['fetched'] += 1
                    self.fetchstatuslogger.show()
                except Exception as e:
                    if is_throttled(e):
                        q.put((method, region, backup))
                    else:
                        printException(e)
                finally:
                    q.task_done()
        except Exception as e:
            printException(e)
            pass

    def finalize(self):
        for t in self.fetchstatuslogger.counts:
            setattr(self, '%s_count' % t,
                    self.fetchstatuslogger.counts[t]['fetched'])
        delattr(self, 'fetchstatuslogger')
        for r in self.regions:
            if hasattr(self.regions[r], 'fetchstatuslogger'):
                delattr(self.regions[r], 'fetchstatuslogger')

    def tweak_params(self, params, credentials):
        if type(params) == dict:
            for k in params:
                params[k] = self.tweak_params(params[k], credentials)
        elif type(params) == list:
            newparams = []
            for v in params:
                newparams.append(self.tweak_params(v, credentials))
            params = newparams
        else:
            if params == '_AWS_ACCOUNT_ID_':
                params = get_aws_account_id(credentials)
        return params
Exemple #2
0
class RegionalServiceConfig(object):
    """
    Single service configuration for non-global services

    :ivar regions:                      Dictionary of regions
    :ivar service:                      Name of the service
    """
    def __init__(self):
        self.regions = {}
        self.service = type(self).__name__.replace(
            'Config',
            '').lower()  # TODO: use regex with EOS instead of plain replace

    def init_region_config(self, region):
        """
        Initialize the region's configuration

        :param region:                  Name of the region
        """
        self.regions[region] = self.region_config_class()

    def fetch_all(self,
                  credentials,
                  regions=[],
                  partition_name='aws',
                  targets=None):
        """
        Fetch all the SNS configuration supported by Scout2

        :param credentials:             F
        :param service:                 Name of the service
        :param regions:                 Name of regions to fetch data from
        :param partition_name:          AWS partition to connect to
        :param targets:                 Type of resources to be fetched; defaults to all.

        """
        # Initialize targets
        if not targets:
            targets = type(self).targets
        # Tweak params
        realtargets = ()
        for i, target in enumerate(targets):
            params = self.tweak_params(target[3], credentials)
            realtargets = realtargets + (
                (target[0], target[1], target[2], params, target[4]), )
        targets = realtargets
        printInfo('Fetching %s config...' % format_service_name(self.service))
        self.fetchstatuslogger = FetchStatusLogger(targets, True)
        api_service = 'ec2' if self.service.lower(
        ) == 'vpc' else self.service.lower()
        # Init regions
        regions = build_region_list(
            api_service, regions,
            partition_name)  # TODO: move this code within this class
        self.fetchstatuslogger.counts['regions']['discovered'] = len(regions)
        # Threading to fetch & parse resources (queue consumer)
        q = self._init_threading(self._fetch_target, {}, 1)
        # Threading to list resources (queue feeder)
        qr = self._init_threading(
            self._fetch_region, {
                'api_service': api_service,
                'credentials': credentials,
                'q': q,
                'targets': targets
            }, 1)
        # Go
        for region in regions:
            qr.put(region)
        # Join
        qr.join()
        q.join()
        # Show completion and force newline
        self.fetchstatuslogger.show(True)

    def _init_threading(self, function, params={}, num_threads=1):
        # Init queue and threads
        q = Queue(maxsize=0)  # TODO: find something appropriate
        if not num_threads:
            num_threads = len(targets)
        for i in range(num_threads):
            worker = Thread(target=function, args=(q, params))
            worker.setDaemon(True)
            worker.start()
        return q

    def _fetch_region(self, q, params):
        global api_clients
        try:
            while True:
                try:
                    region = q.get()
                    self.init_region_config(region)
                    api_client = connect_service(params['api_service'],
                                                 params['credentials'],
                                                 region,
                                                 silent=True)
                    api_clients[region] = api_client
                    self.regions[region].fetch_all(api_client,
                                                   self.fetchstatuslogger,
                                                   params['q'],
                                                   params['targets'])
                    self.fetchstatuslogger.counts['regions']['fetched'] += 1
                except Exception as e:
                    printException(e)
                finally:
                    q.task_done()
        except Exception as e:
            printException(e)
            pass

    def _fetch_target(self, q, params):
        try:
            while True:
                try:
                    method, region, target = q.get()
                    method(params, region, target)
                    target = method.__name__.replace('parse_', '') + 's'
                    self.fetchstatuslogger.counts[target]['fetched'] += 1
                    self.fetchstatuslogger.show()
                except Exception as e:
                    printException(e)
                finally:
                    q.task_done()
        except Exception as e:
            printException(e)
            pass

    def finalize(self):
        for t in self.fetchstatuslogger.counts:
            setattr(self, '%s_count' % t,
                    self.fetchstatuslogger.counts[t]['fetched'])
        delattr(self, 'fetchstatuslogger')
        for r in self.regions:
            if hasattr(self.regions[r], 'fetchstatuslogger'):
                delattr(self.regions[r], 'fetchstatuslogger')

    def tweak_params(self, params, credentials):
        if type(params) == dict:
            for k in params:
                params[k] = self.tweak_params(params[k], credentials)
        elif type(params) == list:
            newparams = []
            for v in params:
                newparams.append(self.tweak_params(v, credentials))
            params = newparams
        else:
            if params == '_AWS_ACCOUNT_ID_':
                params = get_aws_account_id(credentials)
        return params
Exemple #3
0
class RegionalServiceConfig(object):
    """
    Single service configuration for non-global services

    :ivar regions:                      Dictionary of regions
    :ivar service:                      Name of the service
    """

    def __init__(self, service_metadata={}, thread_config=4):
        self.regions = {}
        self.thread_config = thread_configs[thread_config]
        self.service = \
            type(self).__name__.replace('Config', '').lower()  # TODO: use regex with EOS instead of plain replace
        if service_metadata != {}:
            self.resource_types = {'global': [], 'region': [], 'vpc': []}
            self.targets = {'first_region': (), 'other_regions': ()}
            for resource in service_metadata['resources']:
                only_first_region = False
                if re.match(r'.*?\.vpcs\.id\..*?', service_metadata['resources'][resource]['path']):
                    self.resource_types['vpc'].append(resource)
                elif re.match(r'.*?\.regions\.id\..*?', service_metadata['resources'][resource]['path']):
                    self.resource_types['region'].append(resource)
                else:
                    only_first_region = True
                    self.resource_types['global'].append(resource)
                resource_metadata = service_metadata['resources'][resource]
                if 'api_call' not in resource_metadata:
                    continue
                params = resource_metadata['params'] if 'params' in resource_metadata else {}
                ignore_exceptions = True if 'no_exceptions' in resource_metadata and \
                                            resource_metadata['no_exceptions'] == True else False
                if not only_first_region:
                    self.targets['other_regions'] += ((resource,
                                                       resource_metadata['response'],
                                                       resource_metadata['api_call'],
                                                       params,
                                                       ignore_exceptions),)
                self.targets['first_region'] += ((resource,
                                                  resource_metadata['response'],
                                                  resource_metadata['api_call'],
                                                  params,
                                                  ignore_exceptions),)

    def init_region_config(self, region):
        """
        Initialize the region's configuration

        :param region:                  Name of the region
        """
        self.regions[region] = self.region_config_class(region_name = region, resource_types = self.resource_types)

    def fetch_all(self, credentials, regions = [], partition_name = 'aws', targets = None):
        """
        Fetch all the configuration supported by Scout2 for a given service

        :param credentials:             F
        :param service:                 Name of the service
        :param regions:                 Name of regions to fetch data from
        :param partition_name:          AWS partition to connect to
        :param targets:                 Type of resources to be fetched; defaults to all.

        """
        # Initialize targets
        # Tweak params
        realtargets = ()
        if not targets:
            targets = self.targets
        for i, target in enumerate(targets['first_region']):
            params = self.tweak_params(target[3], credentials)
            realtargets = realtargets + ((target[0], target[1], target[2], params, target[4]),)
        targets['first_region'] = realtargets
        realtargets = ()
        for i, target in enumerate(targets['other_regions']):
            params = self.tweak_params(target[3], credentials)
            realtargets = realtargets + ((target[0], target[1], target[2], params, target[4]),)
        targets['other_regions'] = realtargets

        printInfo('Fetching %s config...' % format_service_name(self.service))
        self.fetchstatuslogger = FetchStatusLogger(targets['first_region'], True)
        api_service = 'ec2' if self.service.lower() == 'vpc' else self.service.lower()
        # Init regions
        regions = build_region_list(api_service, regions, partition_name) # TODO: move this code within this class
        self.fetchstatuslogger.counts['regions']['discovered'] = len(regions)
        # Threading to fetch & parse resources (queue consumer)
        q = self._init_threading(self._fetch_target, {}, self.thread_config['parse'])
        # Threading to list resources (queue feeder)
        qr = self._init_threading(self._fetch_region,
                                  {'api_service': api_service, 'credentials': credentials, 'q': q, 'targets': ()},
                                  self.thread_config['list'])
        # Go
        for i, region in enumerate(regions):
            qr.put((region, targets['first_region'] if i == 0 else targets['other_regions']))
        # Join
        qr.join()
        q.join()
        # Show completion and force newline
        self.fetchstatuslogger.show(True)

    def _init_threading(self, function, params={}, num_threads=10):
        """
        Initialize queue and threads

        :param function:
        :param params:
        :param num_threads:
        :return:
        """
        q = Queue(maxsize=0) # TODO: find something appropriate
        for i in range(num_threads):
            worker = Thread(target=function, args=(q, params))
            worker.setDaemon(True)
            worker.start()
        return q

    def _fetch_region(self, q, params):
        global api_clients
        try:
            while True:
                try:
                    region, targets = q.get()
                    #print('Targets for region %s : %s' % (region, str(targets)))
                    self.init_region_config(region)
                    api_client = connect_service(params['api_service'], params['credentials'], region, silent = True)
                    api_clients[region] = api_client
                    # TODO : something here for single_region stuff
                    self.regions[region].fetch_all(api_client, self.fetchstatuslogger, params['q'], targets)  # params['targets'])
                    self.fetchstatuslogger.counts['regions']['fetched'] += 1
                except Exception as e:
                    printException(e)
                finally:
                    q.task_done()
        except Exception as e:
            printException(e)
            pass

    def _fetch_target(self, q, params):
        try:
            while True:
                try:
                    method, region, target = q.get()
                    backup = copy.deepcopy(target)

                    if method.__name__ == 'store_target':
                        target_type = target['scout2_target_type']
                    else:
                        target_type = method.__name__.replace('parse_', '') + 's'
                    method(params, region, target)
                    self.fetchstatuslogger.counts[target_type]['fetched'] += 1
                    self.fetchstatuslogger.show()
                except Exception as e:
                    if is_throttled(e):
                        q.put((method, region, backup))
                    else:
                        printException(e)
                finally:
                    q.task_done()
        except Exception as e:
            printException(e)
            pass

    def finalize(self):
        for t in self.fetchstatuslogger.counts:
            setattr(self, '%s_count' % t, self.fetchstatuslogger.counts[t]['fetched'])
        delattr(self, 'fetchstatuslogger')
        for r in self.regions:
            if hasattr(self.regions[r], 'fetchstatuslogger'):
                delattr(self.regions[r], 'fetchstatuslogger')

    def tweak_params(self, params, credentials):
        if type(params) == dict:
            for k in params:
                params[k] = self.tweak_params(params[k], credentials)
        elif type(params) == list:
            newparams = []
            for v in params:
                newparams.append(self.tweak_params(v, credentials))
            params = newparams
        else:
            if params == '_AWS_ACCOUNT_ID_':
                params = get_aws_account_id(credentials)
        return params
Exemple #4
0
class BaseConfig(GlobalConfig):
    """
    FooBar
    """
    def __init__(self, thread_config=4):
        self.service = type(self).__name__.replace(
            'Config',
            '').lower()  # TODO: use regex with EOS instead of plain replace
        self.thread_config = thread_configs[thread_config]

    def fetch_all(self,
                  credentials,
                  regions=[],
                  partition_name='aws',
                  targets=None):
        """
        Generic fetching function that iterates through all of the service's targets

        :param credentials:             F
        :param service:                 Name of the service
        :param regions:                 Name of regions to fetch data from
        :param partition_name:          AWS partition to connect to
        :param targets:                 Type of resources to be fetched; defaults to all.

        """
        global status, formatted_string
        # Initialize targets
        if not targets:
            targets = type(self).targets
        printInfo('Fetching %s config...' % format_service_name(self.service))
        formatted_string = None
        api_service = self.service.lower()
        # Connect to the service
        if self.service in ['s3'
                            ]:  # S3 namespace is global but APIs aren't....
            api_clients = {}
            for region in build_region_list(self.service, regions,
                                            partition_name):
                api_clients[region] = connect_service('s3',
                                                      credentials,
                                                      region,
                                                      silent=True)
            api_client = api_clients[list(api_clients.keys())[0]]
        elif self.service == 'route53domains':
            api_client = connect_service(
                self.service, credentials, 'us-east-1',
                silent=True)  # TODO: use partition's default region
        else:
            api_client = connect_service(self.service,
                                         credentials,
                                         silent=True)
        # Threading to fetch & parse resources (queue consumer)
        params = {'api_client': api_client}
        if self.service in ['s3']:
            params['api_clients'] = api_clients
        q = self._init_threading(self.__fetch_target, params,
                                 self.thread_config['parse'])
        # Threading to list resources (queue feeder)
        params = {'api_client': api_client, 'q': q}
        if self.service in ['s3']:
            params['api_clients'] = api_clients
        qt = self._init_threading(self.__fetch_service, params,
                                  self.thread_config['list'])
        # Init display
        self.fetchstatuslogger = FetchStatusLogger(targets)
        # Go
        for target in targets:
            qt.put(target)
        # Join
        qt.join()
        q.join()
        # Show completion and force newline
        if self.service != 'iam':
            self.fetchstatuslogger.show(True)

    def finalize(self):
        for t in self.fetchstatuslogger.counts:
            setattr(self, '%s_count' % t,
                    self.fetchstatuslogger.counts[t]['fetched'])
        self.__delattr__('fetchstatuslogger')

    def _init_threading(self, function, params={}, num_threads=10):
        # Init queue and threads
        q = Queue(maxsize=0)  # TODO: find something appropriate
        if not num_threads:
            num_threads = len(targets)
        for i in range(num_threads):
            worker = Thread(target=function, args=(q, params))
            worker.setDaemon(True)
            worker.start()
        return q

    def __fetch_service(self, q, params):
        api_client = params['api_client']
        try:
            while True:
                try:
                    target_type, response_attribute, list_method_name, list_params, ignore_list_error = q.get(
                    )
                    if not list_method_name:
                        continue
                    try:
                        method = getattr(api_client, list_method_name)
                    except Exception as e:
                        printException(e)
                        continue
                    try:
                        if type(list_params) != list:
                            list_params = [list_params]
                        targets = []
                        for lp in list_params:
                            targets += handle_truncated_response(
                                method, lp,
                                [response_attribute])[response_attribute]
                    except Exception as e:
                        if not ignore_list_error:
                            printException(e)
                        targets = []
                    self.fetchstatuslogger.counts[target_type][
                        'discovered'] += len(targets)
                    for target in targets:
                        params['q'].put((target_type, target), )
                except Exception as e:
                    printException(e)
                finally:
                    q.task_done()
        except Exception as e:
            printException(e)
            pass

    def __fetch_target(self, q, params):
        global status
        try:
            while True:
                try:
                    target_type, target = q.get()
                    # Make a full copy of the target in case we need to re-queue it
                    backup = copy.deepcopy(target)
                    method = getattr(self, 'parse_%s' % target_type)
                    method(target, params)
                    self.fetchstatuslogger.counts[target_type]['fetched'] += 1
                    self.fetchstatuslogger.show()
                except Exception as e:
                    if hasattr(e, 'response'
                               ) and 'Error' in e.response and e.response[
                                   'Error']['Code'] in ['Throttling']:
                        q.put((target_type, backup), )
                    else:
                        printException(e)
                finally:
                    q.task_done()
        except Exception as e:
            printException(e)
            pass