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Diffstat (limited to 'inventory/aws/hosts/ec2.py')
| -rwxr-xr-x | inventory/aws/hosts/ec2.py | 1511 |
1 files changed, 0 insertions, 1511 deletions
diff --git a/inventory/aws/hosts/ec2.py b/inventory/aws/hosts/ec2.py deleted file mode 100755 index b71458a29..000000000 --- a/inventory/aws/hosts/ec2.py +++ /dev/null @@ -1,1511 +0,0 @@ -#!/usr/bin/env python2 -# pylint: skip-file - -''' -EC2 external inventory script -================================= - -Generates inventory that Ansible can understand by making API request to -AWS EC2 using the Boto library. - -NOTE: This script assumes Ansible is being executed where the environment -variables needed for Boto have already been set: - export AWS_ACCESS_KEY_ID='AK123' - export AWS_SECRET_ACCESS_KEY='abc123' - -This script also assumes there is an ec2.ini file alongside it. To specify a -different path to ec2.ini, define the EC2_INI_PATH environment variable: - - export EC2_INI_PATH=/path/to/my_ec2.ini - -If you're using eucalyptus you need to set the above variables and -you need to define: - - export EC2_URL=http://hostname_of_your_cc:port/services/Eucalyptus - -If you're using boto profiles (requires boto>=2.24.0) you can choose a profile -using the --boto-profile command line argument (e.g. ec2.py --boto-profile prod) or using -the AWS_PROFILE variable: - - AWS_PROFILE=prod ansible-playbook -i ec2.py myplaybook.yml - -For more details, see: http://docs.pythonboto.org/en/latest/boto_config_tut.html - -When run against a specific host, this script returns the following variables: - - ec2_ami_launch_index - - ec2_architecture - - ec2_association - - ec2_attachTime - - ec2_attachment - - ec2_attachmentId - - ec2_block_devices - - ec2_client_token - - ec2_deleteOnTermination - - ec2_description - - ec2_deviceIndex - - ec2_dns_name - - ec2_eventsSet - - ec2_group_name - - ec2_hypervisor - - ec2_id - - ec2_image_id - - ec2_instanceState - - ec2_instance_type - - ec2_ipOwnerId - - ec2_ip_address - - ec2_item - - ec2_kernel - - ec2_key_name - - ec2_launch_time - - ec2_monitored - - ec2_monitoring - - ec2_networkInterfaceId - - ec2_ownerId - - ec2_persistent - - ec2_placement - - ec2_platform - - ec2_previous_state - - ec2_private_dns_name - - ec2_private_ip_address - - ec2_publicIp - - ec2_public_dns_name - - ec2_ramdisk - - ec2_reason - - ec2_region - - ec2_requester_id - - ec2_root_device_name - - ec2_root_device_type - - ec2_security_group_ids - - ec2_security_group_names - - ec2_shutdown_state - - ec2_sourceDestCheck - - ec2_spot_instance_request_id - - ec2_state - - ec2_state_code - - ec2_state_reason - - ec2_status - - ec2_subnet_id - - ec2_tenancy - - ec2_virtualization_type - - ec2_vpc_id - -These variables are pulled out of a boto.ec2.instance object. There is a lack of -consistency with variable spellings (camelCase and underscores) since this -just loops through all variables the object exposes. It is preferred to use the -ones with underscores when multiple exist. - -In addition, if an instance has AWS Tags associated with it, each tag is a new -variable named: - - ec2_tag_[Key] = [Value] - -Security groups are comma-separated in 'ec2_security_group_ids' and -'ec2_security_group_names'. -''' - -# (c) 2012, Peter Sankauskas -# -# This file is part of Ansible, -# -# Ansible is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# Ansible is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with Ansible. If not, see <http://www.gnu.org/licenses/>. - -###################################################################### - -import sys -import os -import argparse -import re -from time import time -import boto -from boto import ec2 -from boto import rds -from boto import elasticache -from boto import route53 -import six - -from ansible.module_utils import ec2 as ec2_utils - -HAS_BOTO3 = False -try: - import boto3 - HAS_BOTO3 = True -except ImportError: - pass - -from six.moves import configparser -from collections import defaultdict - -try: - import json -except ImportError: - import simplejson as json - - -class Ec2Inventory(object): - - def _empty_inventory(self): - return {"_meta" : {"hostvars" : {}}} - - def __init__(self): - ''' Main execution path ''' - - # Inventory grouped by instance IDs, tags, security groups, regions, - # and availability zones - self.inventory = self._empty_inventory() - - # Index of hostname (address) to instance ID - self.index = {} - - # Boto profile to use (if any) - self.boto_profile = None - - # AWS credentials. - self.credentials = {} - - # Read settings and parse CLI arguments - self.parse_cli_args() - self.read_settings() - - # Make sure that profile_name is not passed at all if not set - # as pre 2.24 boto will fall over otherwise - if self.boto_profile: - if not hasattr(boto.ec2.EC2Connection, 'profile_name'): - self.fail_with_error("boto version must be >= 2.24 to use profile") - - # Cache - if self.args.refresh_cache: - self.do_api_calls_update_cache() - elif not self.is_cache_valid(): - self.do_api_calls_update_cache() - - # Data to print - if self.args.host: - data_to_print = self.get_host_info() - - elif self.args.list: - # Display list of instances for inventory - if self.inventory == self._empty_inventory(): - data_to_print = self.get_inventory_from_cache() - else: - data_to_print = self.json_format_dict(self.inventory, True) - - print(data_to_print) - - - def is_cache_valid(self): - ''' Determines if the cache files have expired, or if it is still valid ''' - - if os.path.isfile(self.cache_path_cache): - mod_time = os.path.getmtime(self.cache_path_cache) - current_time = time() - if (mod_time + self.cache_max_age) > current_time: - if os.path.isfile(self.cache_path_index): - return True - - return False - - - def read_settings(self): - ''' Reads the settings from the ec2.ini file ''' - if six.PY3: - config = configparser.ConfigParser() - else: - config = configparser.SafeConfigParser() - ec2_default_ini_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'ec2.ini') - ec2_ini_path = os.path.expanduser(os.path.expandvars(os.environ.get('EC2_INI_PATH', ec2_default_ini_path))) - config.read(ec2_ini_path) - - # is eucalyptus? - self.eucalyptus_host = None - self.eucalyptus = False - if config.has_option('ec2', 'eucalyptus'): - self.eucalyptus = config.getboolean('ec2', 'eucalyptus') - if self.eucalyptus and config.has_option('ec2', 'eucalyptus_host'): - self.eucalyptus_host = config.get('ec2', 'eucalyptus_host') - - # Regions - self.regions = [] - configRegions = config.get('ec2', 'regions') - configRegions_exclude = config.get('ec2', 'regions_exclude') - if (configRegions == 'all'): - if self.eucalyptus_host: - self.regions.append(boto.connect_euca(host=self.eucalyptus_host).region.name, **self.credentials) - else: - for regionInfo in ec2.regions(): - if regionInfo.name not in configRegions_exclude: - self.regions.append(regionInfo.name) - else: - self.regions = configRegions.split(",") - - # Destination addresses - self.destination_variable = config.get('ec2', 'destination_variable') - self.vpc_destination_variable = config.get('ec2', 'vpc_destination_variable') - - if config.has_option('ec2', 'hostname_variable'): - self.hostname_variable = config.get('ec2', 'hostname_variable') - else: - self.hostname_variable = None - - if config.has_option('ec2', 'destination_format') and \ - config.has_option('ec2', 'destination_format_tags'): - self.destination_format = config.get('ec2', 'destination_format') - self.destination_format_tags = config.get('ec2', 'destination_format_tags').split(',') - else: - self.destination_format = None - self.destination_format_tags = None - - # Route53 - self.route53_enabled = config.getboolean('ec2', 'route53') - self.route53_excluded_zones = [] - if config.has_option('ec2', 'route53_excluded_zones'): - self.route53_excluded_zones.extend( - config.get('ec2', 'route53_excluded_zones', '').split(',')) - - # Include RDS instances? - self.rds_enabled = True - if config.has_option('ec2', 'rds'): - self.rds_enabled = config.getboolean('ec2', 'rds') - - # Include RDS cluster instances? - if config.has_option('ec2', 'include_rds_clusters'): - self.include_rds_clusters = config.getboolean('ec2', 'include_rds_clusters') - else: - self.include_rds_clusters = False - - # Include ElastiCache instances? - self.elasticache_enabled = True - if config.has_option('ec2', 'elasticache'): - self.elasticache_enabled = config.getboolean('ec2', 'elasticache') - - # Return all EC2 instances? - if config.has_option('ec2', 'all_instances'): - self.all_instances = config.getboolean('ec2', 'all_instances') - else: - self.all_instances = False - - # Instance states to be gathered in inventory. Default is 'running'. - # Setting 'all_instances' to 'yes' overrides this option. - ec2_valid_instance_states = [ - 'pending', - 'running', - 'shutting-down', - 'terminated', - 'stopping', - 'stopped' - ] - self.ec2_instance_states = [] - if self.all_instances: - self.ec2_instance_states = ec2_valid_instance_states - elif config.has_option('ec2', 'instance_states'): - for instance_state in config.get('ec2', 'instance_states').split(','): - instance_state = instance_state.strip() - if instance_state not in ec2_valid_instance_states: - continue - self.ec2_instance_states.append(instance_state) - else: - self.ec2_instance_states = ['running'] - - # Return all RDS instances? (if RDS is enabled) - if config.has_option('ec2', 'all_rds_instances') and self.rds_enabled: - self.all_rds_instances = config.getboolean('ec2', 'all_rds_instances') - else: - self.all_rds_instances = False - - # Return all ElastiCache replication groups? (if ElastiCache is enabled) - if config.has_option('ec2', 'all_elasticache_replication_groups') and self.elasticache_enabled: - self.all_elasticache_replication_groups = config.getboolean('ec2', 'all_elasticache_replication_groups') - else: - self.all_elasticache_replication_groups = False - - # Return all ElastiCache clusters? (if ElastiCache is enabled) - if config.has_option('ec2', 'all_elasticache_clusters') and self.elasticache_enabled: - self.all_elasticache_clusters = config.getboolean('ec2', 'all_elasticache_clusters') - else: - self.all_elasticache_clusters = False - - # Return all ElastiCache nodes? (if ElastiCache is enabled) - if config.has_option('ec2', 'all_elasticache_nodes') and self.elasticache_enabled: - self.all_elasticache_nodes = config.getboolean('ec2', 'all_elasticache_nodes') - else: - self.all_elasticache_nodes = False - - # boto configuration profile (prefer CLI argument) - self.boto_profile = self.args.boto_profile - if config.has_option('ec2', 'boto_profile') and not self.boto_profile: - self.boto_profile = config.get('ec2', 'boto_profile') - - # AWS credentials (prefer environment variables) - if not (self.boto_profile or os.environ.get('AWS_ACCESS_KEY_ID') or - os.environ.get('AWS_PROFILE')): - if config.has_option('credentials', 'aws_access_key_id'): - aws_access_key_id = config.get('credentials', 'aws_access_key_id') - else: - aws_access_key_id = None - if config.has_option('credentials', 'aws_secret_access_key'): - aws_secret_access_key = config.get('credentials', 'aws_secret_access_key') - else: - aws_secret_access_key = None - if config.has_option('credentials', 'aws_security_token'): - aws_security_token = config.get('credentials', 'aws_security_token') - else: - aws_security_token = None - if aws_access_key_id: - self.credentials = { - 'aws_access_key_id': aws_access_key_id, - 'aws_secret_access_key': aws_secret_access_key - } - if aws_security_token: - self.credentials['security_token'] = aws_security_token - - # Cache related - cache_dir = os.path.expanduser(config.get('ec2', 'cache_path')) - if self.boto_profile: - cache_dir = os.path.join(cache_dir, 'profile_' + self.boto_profile) - if not os.path.exists(cache_dir): - os.makedirs(cache_dir) - - cache_name = 'ansible-ec2' - aws_profile = lambda: (self.boto_profile or - os.environ.get('AWS_PROFILE') or - os.environ.get('AWS_ACCESS_KEY_ID') or - self.credentials.get('aws_access_key_id', None)) - if aws_profile(): - cache_name = '%s-%s' % (cache_name, aws_profile()) - self.cache_path_cache = cache_dir + "/%s.cache" % cache_name - self.cache_path_index = cache_dir + "/%s.index" % cache_name - self.cache_max_age = config.getint('ec2', 'cache_max_age') - - if config.has_option('ec2', 'expand_csv_tags'): - self.expand_csv_tags = config.getboolean('ec2', 'expand_csv_tags') - else: - self.expand_csv_tags = False - - # Configure nested groups instead of flat namespace. - if config.has_option('ec2', 'nested_groups'): - self.nested_groups = config.getboolean('ec2', 'nested_groups') - else: - self.nested_groups = False - - # Replace dash or not in group names - if config.has_option('ec2', 'replace_dash_in_groups'): - self.replace_dash_in_groups = config.getboolean('ec2', 'replace_dash_in_groups') - else: - self.replace_dash_in_groups = True - - # Configure which groups should be created. - group_by_options = [ - 'group_by_instance_id', - 'group_by_region', - 'group_by_availability_zone', - 'group_by_ami_id', - 'group_by_instance_type', - 'group_by_key_pair', - 'group_by_vpc_id', - 'group_by_security_group', - 'group_by_tag_keys', - 'group_by_tag_none', - 'group_by_route53_names', - 'group_by_rds_engine', - 'group_by_rds_parameter_group', - 'group_by_elasticache_engine', - 'group_by_elasticache_cluster', - 'group_by_elasticache_parameter_group', - 'group_by_elasticache_replication_group', - ] - for option in group_by_options: - if config.has_option('ec2', option): - setattr(self, option, config.getboolean('ec2', option)) - else: - setattr(self, option, True) - - # Do we need to just include hosts that match a pattern? - try: - pattern_include = config.get('ec2', 'pattern_include') - if pattern_include and len(pattern_include) > 0: - self.pattern_include = re.compile(pattern_include) - else: - self.pattern_include = None - except configparser.NoOptionError: - self.pattern_include = None - - # Do we need to exclude hosts that match a pattern? - try: - pattern_exclude = config.get('ec2', 'pattern_exclude'); - if pattern_exclude and len(pattern_exclude) > 0: - self.pattern_exclude = re.compile(pattern_exclude) - else: - self.pattern_exclude = None - except configparser.NoOptionError: - self.pattern_exclude = None - - # Instance filters (see boto and EC2 API docs). Ignore invalid filters. - self.ec2_instance_filters = defaultdict(list) - if config.has_option('ec2', 'instance_filters'): - - filters = [f for f in config.get('ec2', 'instance_filters').split(',') if f] - - for instance_filter in filters: - instance_filter = instance_filter.strip() - if not instance_filter or '=' not in instance_filter: - continue - filter_key, filter_value = [x.strip() for x in instance_filter.split('=', 1)] - if not filter_key: - continue - self.ec2_instance_filters[filter_key].append(filter_value) - - def parse_cli_args(self): - ''' Command line argument processing ''' - - parser = argparse.ArgumentParser(description='Produce an Ansible Inventory file based on EC2') - parser.add_argument('--list', action='store_true', default=True, - help='List instances (default: True)') - parser.add_argument('--host', action='store', - help='Get all the variables about a specific instance') - parser.add_argument('--refresh-cache', action='store_true', default=False, - help='Force refresh of cache by making API requests to EC2 (default: False - use cache files)') - parser.add_argument('--profile', '--boto-profile', action='store', dest='boto_profile', - help='Use boto profile for connections to EC2') - self.args = parser.parse_args() - - - def do_api_calls_update_cache(self): - ''' Do API calls to each region, and save data in cache files ''' - - if self.route53_enabled: - self.get_route53_records() - - for region in self.regions: - self.get_instances_by_region(region) - if self.rds_enabled: - self.get_rds_instances_by_region(region) - if self.elasticache_enabled: - self.get_elasticache_clusters_by_region(region) - self.get_elasticache_replication_groups_by_region(region) - if self.include_rds_clusters: - self.include_rds_clusters_by_region(region) - - self.write_to_cache(self.inventory, self.cache_path_cache) - self.write_to_cache(self.index, self.cache_path_index) - - def connect(self, region): - ''' create connection to api server''' - if self.eucalyptus: - conn = boto.connect_euca(host=self.eucalyptus_host, **self.credentials) - conn.APIVersion = '2010-08-31' - else: - conn = self.connect_to_aws(ec2, region) - return conn - - def boto_fix_security_token_in_profile(self, connect_args): - ''' monkey patch for boto issue boto/boto#2100 ''' - profile = 'profile ' + self.boto_profile - if boto.config.has_option(profile, 'aws_security_token'): - connect_args['security_token'] = boto.config.get(profile, 'aws_security_token') - return connect_args - - def connect_to_aws(self, module, region): - connect_args = self.credentials - - # only pass the profile name if it's set (as it is not supported by older boto versions) - if self.boto_profile: - connect_args['profile_name'] = self.boto_profile - self.boto_fix_security_token_in_profile(connect_args) - - conn = module.connect_to_region(region, **connect_args) - # connect_to_region will fail "silently" by returning None if the region name is wrong or not supported - if conn is None: - self.fail_with_error("region name: %s likely not supported, or AWS is down. connection to region failed." % region) - return conn - - def get_instances_by_region(self, region): - ''' Makes an AWS EC2 API call to the list of instances in a particular - region ''' - - try: - conn = self.connect(region) - reservations = [] - if self.ec2_instance_filters: - for filter_key, filter_values in self.ec2_instance_filters.items(): - reservations.extend(conn.get_all_instances(filters = { filter_key : filter_values })) - else: - reservations = conn.get_all_instances() - - # Pull the tags back in a second step - # AWS are on record as saying that the tags fetched in the first `get_all_instances` request are not - # reliable and may be missing, and the only way to guarantee they are there is by calling `get_all_tags` - instance_ids = [] - for reservation in reservations: - instance_ids.extend([instance.id for instance in reservation.instances]) - - max_filter_value = 199 - tags = [] - for i in range(0, len(instance_ids), max_filter_value): - tags.extend(conn.get_all_tags(filters={'resource-type': 'instance', 'resource-id': instance_ids[i:i+max_filter_value]})) - - tags_by_instance_id = defaultdict(dict) - for tag in tags: - tags_by_instance_id[tag.res_id][tag.name] = tag.value - - for reservation in reservations: - for instance in reservation.instances: - instance.tags = tags_by_instance_id[instance.id] - self.add_instance(instance, region) - - except boto.exception.BotoServerError as e: - if e.error_code == 'AuthFailure': - error = self.get_auth_error_message() - else: - backend = 'Eucalyptus' if self.eucalyptus else 'AWS' - error = "Error connecting to %s backend.\n%s" % (backend, e.message) - self.fail_with_error(error, 'getting EC2 instances') - - def get_rds_instances_by_region(self, region): - ''' Makes an AWS API call to the list of RDS instances in a particular - region ''' - - try: - conn = self.connect_to_aws(rds, region) - if conn: - marker = None - while True: - instances = conn.get_all_dbinstances(marker=marker) - marker = instances.marker - for instance in instances: - self.add_rds_instance(instance, region) - if not marker: - break - except boto.exception.BotoServerError as e: - error = e.reason - - if e.error_code == 'AuthFailure': - error = self.get_auth_error_message() - if not e.reason == "Forbidden": - error = "Looks like AWS RDS is down:\n%s" % e.message - self.fail_with_error(error, 'getting RDS instances') - - def include_rds_clusters_by_region(self, region): - if not HAS_BOTO3: - self.fail_with_error("Working with RDS clusters requires boto3 - please install boto3 and try again", - "getting RDS clusters") - - client = ec2_utils.boto3_inventory_conn('client', 'rds', region, **self.credentials) - - marker, clusters = '', [] - while marker is not None: - resp = client.describe_db_clusters(Marker=marker) - clusters.extend(resp["DBClusters"]) - marker = resp.get('Marker', None) - - account_id = boto.connect_iam().get_user().arn.split(':')[4] - c_dict = {} - for c in clusters: - # remove these datetime objects as there is no serialisation to json - # currently in place and we don't need the data yet - if 'EarliestRestorableTime' in c: - del c['EarliestRestorableTime'] - if 'LatestRestorableTime' in c: - del c['LatestRestorableTime'] - - if self.ec2_instance_filters == {}: - matches_filter = True - else: - matches_filter = False - - try: - # arn:aws:rds:<region>:<account number>:<resourcetype>:<name> - tags = client.list_tags_for_resource( - ResourceName='arn:aws:rds:' + region + ':' + account_id + ':cluster:' + c['DBClusterIdentifier']) - c['Tags'] = tags['TagList'] - - if self.ec2_instance_filters: - for filter_key, filter_values in self.ec2_instance_filters.items(): - # get AWS tag key e.g. tag:env will be 'env' - tag_name = filter_key.split(":", 1)[1] - # Filter values is a list (if you put multiple values for the same tag name) - matches_filter = any(d['Key'] == tag_name and d['Value'] in filter_values for d in c['Tags']) - - if matches_filter: - # it matches a filter, so stop looking for further matches - break - - except Exception as e: - if e.message.find('DBInstanceNotFound') >= 0: - # AWS RDS bug (2016-01-06) means deletion does not fully complete and leave an 'empty' cluster. - # Ignore errors when trying to find tags for these - pass - - # ignore empty clusters caused by AWS bug - if len(c['DBClusterMembers']) == 0: - continue - elif matches_filter: - c_dict[c['DBClusterIdentifier']] = c - - self.inventory['db_clusters'] = c_dict - - def get_elasticache_clusters_by_region(self, region): - ''' Makes an AWS API call to the list of ElastiCache clusters (with - nodes' info) in a particular region.''' - - # ElastiCache boto module doesn't provide a get_all_intances method, - # that's why we need to call describe directly (it would be called by - # the shorthand method anyway...) - try: - conn = self.connect_to_aws(elasticache, region) - if conn: - # show_cache_node_info = True - # because we also want nodes' information - response = conn.describe_cache_clusters(None, None, None, True) - - except boto.exception.BotoServerError as e: - error = e.reason - - if e.error_code == 'AuthFailure': - error = self.get_auth_error_message() - if not e.reason == "Forbidden": - error = "Looks like AWS ElastiCache is down:\n%s" % e.message - self.fail_with_error(error, 'getting ElastiCache clusters') - - try: - # Boto also doesn't provide wrapper classes to CacheClusters or - # CacheNodes. Because of that we can't make use of the get_list - # method in the AWSQueryConnection. Let's do the work manually - clusters = response['DescribeCacheClustersResponse']['DescribeCacheClustersResult']['CacheClusters'] - - except KeyError as e: - error = "ElastiCache query to AWS failed (unexpected format)." - self.fail_with_error(error, 'getting ElastiCache clusters') - - for cluster in clusters: - self.add_elasticache_cluster(cluster, region) - - def get_elasticache_replication_groups_by_region(self, region): - ''' Makes an AWS API call to the list of ElastiCache replication groups - in a particular region.''' - - # ElastiCache boto module doesn't provide a get_all_intances method, - # that's why we need to call describe directly (it would be called by - # the shorthand method anyway...) - try: - conn = self.connect_to_aws(elasticache, region) - if conn: - response = conn.describe_replication_groups() - - except boto.exception.BotoServerError as e: - error = e.reason - - if e.error_code == 'AuthFailure': - error = self.get_auth_error_message() - if not e.reason == "Forbidden": - error = "Looks like AWS ElastiCache [Replication Groups] is down:\n%s" % e.message - self.fail_with_error(error, 'getting ElastiCache clusters') - - try: - # Boto also doesn't provide wrapper classes to ReplicationGroups - # Because of that we can't make use of the get_list method in the - # AWSQueryConnection. Let's do the work manually - replication_groups = response['DescribeReplicationGroupsResponse']['DescribeReplicationGroupsResult']['ReplicationGroups'] - - except KeyError as e: - error = "ElastiCache [Replication Groups] query to AWS failed (unexpected format)." - self.fail_with_error(error, 'getting ElastiCache clusters') - - for replication_group in replication_groups: - self.add_elasticache_replication_group(replication_group, region) - - def get_auth_error_message(self): - ''' create an informative error message if there is an issue authenticating''' - errors = ["Authentication error retrieving ec2 inventory."] - if None in [os.environ.get('AWS_ACCESS_KEY_ID'), os.environ.get('AWS_SECRET_ACCESS_KEY')]: - errors.append(' - No AWS_ACCESS_KEY_ID or AWS_SECRET_ACCESS_KEY environment vars found') - else: - errors.append(' - AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment vars found but may not be correct') - - boto_paths = ['/etc/boto.cfg', '~/.boto', '~/.aws/credentials'] - boto_config_found = list(p for p in boto_paths if os.path.isfile(os.path.expanduser(p))) - if len(boto_config_found) > 0: - errors.append(" - Boto configs found at '%s', but the credentials contained may not be correct" % ', '.join(boto_config_found)) - else: - errors.append(" - No Boto config found at any expected location '%s'" % ', '.join(boto_paths)) - - return '\n'.join(errors) - - def fail_with_error(self, err_msg, err_operation=None): - '''log an error to std err for ansible-playbook to consume and exit''' - if err_operation: - err_msg = 'ERROR: "{err_msg}", while: {err_operation}'.format( - err_msg=err_msg, err_operation=err_operation) - sys.stderr.write(err_msg) - sys.exit(1) - - def get_instance(self, region, instance_id): - conn = self.connect(region) - - reservations = conn.get_all_instances([instance_id]) - for reservation in reservations: - for instance in reservation.instances: - return instance - - def add_instance(self, instance, region): - ''' Adds an instance to the inventory and index, as long as it is - addressable ''' - - # Only return instances with desired instance states - if instance.state not in self.ec2_instance_states: - return - - # Select the best destination address - if self.destination_format and self.destination_format_tags: - dest = self.destination_format.format(*[ getattr(instance, 'tags').get(tag, '') for tag in self.destination_format_tags ]) - elif instance.subnet_id: - dest = getattr(instance, self.vpc_destination_variable, None) - if dest is None: - dest = getattr(instance, 'tags').get(self.vpc_destination_variable, None) - else: - dest = getattr(instance, self.destination_variable, None) - if dest is None: - dest = getattr(instance, 'tags').get(self.destination_variable, None) - - if not dest: - # Skip instances we cannot address (e.g. private VPC subnet) - return - - # Set the inventory name - hostname = None - if self.hostname_variable: - if self.hostname_variable.startswith('tag_'): - hostname = instance.tags.get(self.hostname_variable[4:], None) - else: - hostname = getattr(instance, self.hostname_variable) - - # If we can't get a nice hostname, use the destination address - if not hostname: - hostname = dest - else: - hostname = self.to_safe(hostname).lower() - - # if we only want to include hosts that match a pattern, skip those that don't - if self.pattern_include and not self.pattern_include.match(hostname): - return - - # if we need to exclude hosts that match a pattern, skip those - if self.pattern_exclude and self.pattern_exclude.match(hostname): - return - - # Add to index - self.index[hostname] = [region, instance.id] - - # Inventory: Group by instance ID (always a group of 1) - if self.group_by_instance_id: - self.inventory[instance.id] = [hostname] - if self.nested_groups: - self.push_group(self.inventory, 'instances', instance.id) - - # Inventory: Group by region - if self.group_by_region: - self.push(self.inventory, region, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'regions', region) - - # Inventory: Group by availability zone - if self.group_by_availability_zone: - self.push(self.inventory, instance.placement, hostname) - if self.nested_groups: - if self.group_by_region: - self.push_group(self.inventory, region, instance.placement) - self.push_group(self.inventory, 'zones', instance.placement) - - # Inventory: Group by Amazon Machine Image (AMI) ID - if self.group_by_ami_id: - ami_id = self.to_safe(instance.image_id) - self.push(self.inventory, ami_id, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'images', ami_id) - - # Inventory: Group by instance type - if self.group_by_instance_type: - type_name = self.to_safe('type_' + instance.instance_type) - self.push(self.inventory, type_name, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'types', type_name) - - # Inventory: Group by key pair - if self.group_by_key_pair and instance.key_name: - key_name = self.to_safe('key_' + instance.key_name) - self.push(self.inventory, key_name, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'keys', key_name) - - # Inventory: Group by VPC - if self.group_by_vpc_id and instance.vpc_id: - vpc_id_name = self.to_safe('vpc_id_' + instance.vpc_id) - self.push(self.inventory, vpc_id_name, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'vpcs', vpc_id_name) - - # Inventory: Group by security group - if self.group_by_security_group: - try: - for group in instance.groups: - key = self.to_safe("security_group_" + group.name) - self.push(self.inventory, key, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'security_groups', key) - except AttributeError: - self.fail_with_error('\n'.join(['Package boto seems a bit older.', - 'Please upgrade boto >= 2.3.0.'])) - - # Inventory: Group by tag keys - if self.group_by_tag_keys: - for k, v in instance.tags.items(): - if self.expand_csv_tags and v and ',' in v: - values = map(lambda x: x.strip(), v.split(',')) - else: - values = [v] - - for v in values: - if v: - key = self.to_safe("tag_" + k + "=" + v) - else: - key = self.to_safe("tag_" + k) - self.push(self.inventory, key, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'tags', self.to_safe("tag_" + k)) - if v: - self.push_group(self.inventory, self.to_safe("tag_" + k), key) - - # Inventory: Group by Route53 domain names if enabled - if self.route53_enabled and self.group_by_route53_names: - route53_names = self.get_instance_route53_names(instance) - for name in route53_names: - self.push(self.inventory, name, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'route53', name) - - # Global Tag: instances without tags - if self.group_by_tag_none and len(instance.tags) == 0: - self.push(self.inventory, 'tag_none', hostname) - if self.nested_groups: - self.push_group(self.inventory, 'tags', 'tag_none') - - # Global Tag: tag all EC2 instances - self.push(self.inventory, 'ec2', hostname) - - self.inventory["_meta"]["hostvars"][hostname] = self.get_host_info_dict_from_instance(instance) - self.inventory["_meta"]["hostvars"][hostname]['ansible_ssh_host'] = dest - - - def add_rds_instance(self, instance, region): - ''' Adds an RDS instance to the inventory and index, as long as it is - addressable ''' - - # Only want available instances unless all_rds_instances is True - if not self.all_rds_instances and instance.status != 'available': - return - - # Select the best destination address - dest = instance.endpoint[0] - - if not dest: - # Skip instances we cannot address (e.g. private VPC subnet) - return - - # Set the inventory name - hostname = None - if self.hostname_variable: - if self.hostname_variable.startswith('tag_'): - hostname = instance.tags.get(self.hostname_variable[4:], None) - else: - hostname = getattr(instance, self.hostname_variable) - - # If we can't get a nice hostname, use the destination address - if not hostname: - hostname = dest - - hostname = self.to_safe(hostname).lower() - - # Add to index - self.index[hostname] = [region, instance.id] - - # Inventory: Group by instance ID (always a group of 1) - if self.group_by_instance_id: - self.inventory[instance.id] = [hostname] - if self.nested_groups: - self.push_group(self.inventory, 'instances', instance.id) - - # Inventory: Group by region - if self.group_by_region: - self.push(self.inventory, region, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'regions', region) - - # Inventory: Group by availability zone - if self.group_by_availability_zone: - self.push(self.inventory, instance.availability_zone, hostname) - if self.nested_groups: - if self.group_by_region: - self.push_group(self.inventory, region, instance.availability_zone) - self.push_group(self.inventory, 'zones', instance.availability_zone) - - # Inventory: Group by instance type - if self.group_by_instance_type: - type_name = self.to_safe('type_' + instance.instance_class) - self.push(self.inventory, type_name, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'types', type_name) - - # Inventory: Group by VPC - if self.group_by_vpc_id and instance.subnet_group and instance.subnet_group.vpc_id: - vpc_id_name = self.to_safe('vpc_id_' + instance.subnet_group.vpc_id) - self.push(self.inventory, vpc_id_name, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'vpcs', vpc_id_name) - - # Inventory: Group by security group - if self.group_by_security_group: - try: - if instance.security_group: - key = self.to_safe("security_group_" + instance.security_group.name) - self.push(self.inventory, key, hostname) - if self.nested_groups: - self.push_group(self.inventory, 'security_groups', key) - - except AttributeError: - self.fail_with_error('\n'.join(['Package boto seems a bit older.', - 'Please upgrade boto >= 2.3.0.'])) - - - # Inventory: Group by engine - if self.group_by_rds_engine: - self.push(self.inventory, self.to_safe("rds_" + instance.engine), hostname) - if self.nested_groups: - self.push_group(self.inventory, 'rds_engines', self.to_safe("rds_" + instance.engine)) - - # Inventory: Group by parameter group - if self.group_by_rds_parameter_group: - self.push(self.inventory, self.to_safe("rds_parameter_group_" + instance.parameter_group.name), hostname) - if self.nested_groups: - self.push_group(self.inventory, 'rds_parameter_groups', self.to_safe("rds_parameter_group_" + instance.parameter_group.name)) - - # Global Tag: all RDS instances - self.push(self.inventory, 'rds', hostname) - - self.inventory["_meta"]["hostvars"][hostname] = self.get_host_info_dict_from_instance(instance) - self.inventory["_meta"]["hostvars"][hostname]['ansible_ssh_host'] = dest - - def add_elasticache_cluster(self, cluster, region): - ''' Adds an ElastiCache cluster to the inventory and index, as long as - it's nodes are addressable ''' - - # Only want available clusters unless all_elasticache_clusters is True - if not self.all_elasticache_clusters and cluster['CacheClusterStatus'] != 'available': - return - - # Select the best destination address - if 'ConfigurationEndpoint' in cluster and cluster['ConfigurationEndpoint']: - # Memcached cluster - dest = cluster['ConfigurationEndpoint']['Address'] - is_redis = False - else: - # Redis sigle node cluster - # Because all Redis clusters are single nodes, we'll merge the - # info from the cluster with info about the node - dest = cluster['CacheNodes'][0]['Endpoint']['Address'] - is_redis = True - - if not dest: - # Skip clusters we cannot address (e.g. private VPC subnet) - return - - # Add to index - self.index[dest] = [region, cluster['CacheClusterId']] - - # Inventory: Group by instance ID (always a group of 1) - if self.group_by_instance_id: - self.inventory[cluster['CacheClusterId']] = [dest] - if self.nested_groups: - self.push_group(self.inventory, 'instances', cluster['CacheClusterId']) - - # Inventory: Group by region - if self.group_by_region and not is_redis: - self.push(self.inventory, region, dest) - if self.nested_groups: - self.push_group(self.inventory, 'regions', region) - - # Inventory: Group by availability zone - if self.group_by_availability_zone and not is_redis: - self.push(self.inventory, cluster['PreferredAvailabilityZone'], dest) - if self.nested_groups: - if self.group_by_region: - self.push_group(self.inventory, region, cluster['PreferredAvailabilityZone']) - self.push_group(self.inventory, 'zones', cluster['PreferredAvailabilityZone']) - - # Inventory: Group by node type - if self.group_by_instance_type and not is_redis: - type_name = self.to_safe('type_' + cluster['CacheNodeType']) - self.push(self.inventory, type_name, dest) - if self.nested_groups: - self.push_group(self.inventory, 'types', type_name) - - # Inventory: Group by VPC (information not available in the current - # AWS API version for ElastiCache) - - # Inventory: Group by security group - if self.group_by_security_group and not is_redis: - - # Check for the existence of the 'SecurityGroups' key and also if - # this key has some value. When the cluster is not placed in a SG - # the query can return None here and cause an error. - if 'SecurityGroups' in cluster and cluster['SecurityGroups'] is not None: - for security_group in cluster['SecurityGroups']: - key = self.to_safe("security_group_" + security_group['SecurityGroupId']) - self.push(self.inventory, key, dest) - if self.nested_groups: - self.push_group(self.inventory, 'security_groups', key) - - # Inventory: Group by engine - if self.group_by_elasticache_engine and not is_redis: - self.push(self.inventory, self.to_safe("elasticache_" + cluster['Engine']), dest) - if self.nested_groups: - self.push_group(self.inventory, 'elasticache_engines', self.to_safe(cluster['Engine'])) - - # Inventory: Group by parameter group - if self.group_by_elasticache_parameter_group: - self.push(self.inventory, self.to_safe("elasticache_parameter_group_" + cluster['CacheParameterGroup']['CacheParameterGroupName']), dest) - if self.nested_groups: - self.push_group(self.inventory, 'elasticache_parameter_groups', self.to_safe(cluster['CacheParameterGroup']['CacheParameterGroupName'])) - - # Inventory: Group by replication group - if self.group_by_elasticache_replication_group and 'ReplicationGroupId' in cluster and cluster['ReplicationGroupId']: - self.push(self.inventory, self.to_safe("elasticache_replication_group_" + cluster['ReplicationGroupId']), dest) - if self.nested_groups: - self.push_group(self.inventory, 'elasticache_replication_groups', self.to_safe(cluster['ReplicationGroupId'])) - - # Global Tag: all ElastiCache clusters - self.push(self.inventory, 'elasticache_clusters', cluster['CacheClusterId']) - - host_info = self.get_host_info_dict_from_describe_dict(cluster) - - self.inventory["_meta"]["hostvars"][dest] = host_info - - # Add the nodes - for node in cluster['CacheNodes']: - self.add_elasticache_node(node, cluster, region) - - def add_elasticache_node(self, node, cluster, region): - ''' Adds an ElastiCache node to the inventory and index, as long as - it is addressable ''' - - # Only want available nodes unless all_elasticache_nodes is True - if not self.all_elasticache_nodes and node['CacheNodeStatus'] != 'available': - return - - # Select the best destination address - dest = node['Endpoint']['Address'] - - if not dest: - # Skip nodes we cannot address (e.g. private VPC subnet) - return - - node_id = self.to_safe(cluster['CacheClusterId'] + '_' + node['CacheNodeId']) - - # Add to index - self.index[dest] = [region, node_id] - - # Inventory: Group by node ID (always a group of 1) - if self.group_by_instance_id: - self.inventory[node_id] = [dest] - if self.nested_groups: - self.push_group(self.inventory, 'instances', node_id) - - # Inventory: Group by region - if self.group_by_region: - self.push(self.inventory, region, dest) - if self.nested_groups: - self.push_group(self.inventory, 'regions', region) - - # Inventory: Group by availability zone - if self.group_by_availability_zone: - self.push(self.inventory, cluster['PreferredAvailabilityZone'], dest) - if self.nested_groups: - if self.group_by_region: - self.push_group(self.inventory, region, cluster['PreferredAvailabilityZone']) - self.push_group(self.inventory, 'zones', cluster['PreferredAvailabilityZone']) - - # Inventory: Group by node type - if self.group_by_instance_type: - type_name = self.to_safe('type_' + cluster['CacheNodeType']) - self.push(self.inventory, type_name, dest) - if self.nested_groups: - self.push_group(self.inventory, 'types', type_name) - - # Inventory: Group by VPC (information not available in the current - # AWS API version for ElastiCache) - - # Inventory: Group by security group - if self.group_by_security_group: - - # Check for the existence of the 'SecurityGroups' key and also if - # this key has some value. When the cluster is not placed in a SG - # the query can return None here and cause an error. - if 'SecurityGroups' in cluster and cluster['SecurityGroups'] is not None: - for security_group in cluster['SecurityGroups']: - key = self.to_safe("security_group_" + security_group['SecurityGroupId']) - self.push(self.inventory, key, dest) - if self.nested_groups: - self.push_group(self.inventory, 'security_groups', key) - - # Inventory: Group by engine - if self.group_by_elasticache_engine: - self.push(self.inventory, self.to_safe("elasticache_" + cluster['Engine']), dest) - if self.nested_groups: - self.push_group(self.inventory, 'elasticache_engines', self.to_safe("elasticache_" + cluster['Engine'])) - - # Inventory: Group by parameter group (done at cluster level) - - # Inventory: Group by replication group (done at cluster level) - - # Inventory: Group by ElastiCache Cluster - if self.group_by_elasticache_cluster: - self.push(self.inventory, self.to_safe("elasticache_cluster_" + cluster['CacheClusterId']), dest) - - # Global Tag: all ElastiCache nodes - self.push(self.inventory, 'elasticache_nodes', dest) - - host_info = self.get_host_info_dict_from_describe_dict(node) - - if dest in self.inventory["_meta"]["hostvars"]: - self.inventory["_meta"]["hostvars"][dest].update(host_info) - else: - self.inventory["_meta"]["hostvars"][dest] = host_info - - def add_elasticache_replication_group(self, replication_group, region): - ''' Adds an ElastiCache replication group to the inventory and index ''' - - # Only want available clusters unless all_elasticache_replication_groups is True - if not self.all_elasticache_replication_groups and replication_group['Status'] != 'available': - return - - # Select the best destination address (PrimaryEndpoint) - dest = replication_group['NodeGroups'][0]['PrimaryEndpoint']['Address'] - - if not dest: - # Skip clusters we cannot address (e.g. private VPC subnet) - return - - # Add to index - self.index[dest] = [region, replication_group['ReplicationGroupId']] - - # Inventory: Group by ID (always a group of 1) - if self.group_by_instance_id: - self.inventory[replication_group['ReplicationGroupId']] = [dest] - if self.nested_groups: - self.push_group(self.inventory, 'instances', replication_group['ReplicationGroupId']) - - # Inventory: Group by region - if self.group_by_region: - self.push(self.inventory, region, dest) - if self.nested_groups: - self.push_group(self.inventory, 'regions', region) - - # Inventory: Group by availability zone (doesn't apply to replication groups) - - # Inventory: Group by node type (doesn't apply to replication groups) - - # Inventory: Group by VPC (information not available in the current - # AWS API version for replication groups - - # Inventory: Group by security group (doesn't apply to replication groups) - # Check this value in cluster level - - # Inventory: Group by engine (replication groups are always Redis) - if self.group_by_elasticache_engine: - self.push(self.inventory, 'elasticache_redis', dest) - if self.nested_groups: - self.push_group(self.inventory, 'elasticache_engines', 'redis') - - # Global Tag: all ElastiCache clusters - self.push(self.inventory, 'elasticache_replication_groups', replication_group['ReplicationGroupId']) - - host_info = self.get_host_info_dict_from_describe_dict(replication_group) - - self.inventory["_meta"]["hostvars"][dest] = host_info - - def get_route53_records(self): - ''' Get and store the map of resource records to domain names that - point to them. ''' - - r53_conn = route53.Route53Connection() - all_zones = r53_conn.get_zones() - - route53_zones = [ zone for zone in all_zones if zone.name[:-1] - not in self.route53_excluded_zones ] - - self.route53_records = {} - - for zone in route53_zones: - rrsets = r53_conn.get_all_rrsets(zone.id) - - for record_set in rrsets: - record_name = record_set.name - - if record_name.endswith('.'): - record_name = record_name[:-1] - - for resource in record_set.resource_records: - self.route53_records.setdefault(resource, set()) - self.route53_records[resource].add(record_name) - - - def get_instance_route53_names(self, instance): - ''' Check if an instance is referenced in the records we have from - Route53. If it is, return the list of domain names pointing to said - instance. If nothing points to it, return an empty list. ''' - - instance_attributes = [ 'public_dns_name', 'private_dns_name', - 'ip_address', 'private_ip_address' ] - - name_list = set() - - for attrib in instance_attributes: - try: - value = getattr(instance, attrib) - except AttributeError: - continue - - if value in self.route53_records: - name_list.update(self.route53_records[value]) - - return list(name_list) - - def get_host_info_dict_from_instance(self, instance): - instance_vars = {} - for key in vars(instance): - value = getattr(instance, key) - key = self.to_safe('ec2_' + key) - - # Handle complex types - # state/previous_state changed to properties in boto in https://github.com/boto/boto/commit/a23c379837f698212252720d2af8dec0325c9518 - if key == 'ec2__state': - instance_vars['ec2_state'] = instance.state or '' - instance_vars['ec2_state_code'] = instance.state_code - elif key == 'ec2__previous_state': - instance_vars['ec2_previous_state'] = instance.previous_state or '' - instance_vars['ec2_previous_state_code'] = instance.previous_state_code - elif type(value) in [int, bool]: - instance_vars[key] = value - elif isinstance(value, six.string_types): - instance_vars[key] = value.strip() - elif type(value) == type(None): - instance_vars[key] = '' - elif key == 'ec2_region': - instance_vars[key] = value.name - elif key == 'ec2__placement': - instance_vars['ec2_placement'] = value.zone - elif key == 'ec2_tags': - for k, v in value.items(): - if self.expand_csv_tags and ',' in v: - v = list(map(lambda x: x.strip(), v.split(','))) - key = self.to_safe('ec2_tag_' + k) - instance_vars[key] = v - elif key == 'ec2_groups': - group_ids = [] - group_names = [] - for group in value: - group_ids.append(group.id) - group_names.append(group.name) - instance_vars["ec2_security_group_ids"] = ','.join([str(i) for i in group_ids]) - instance_vars["ec2_security_group_names"] = ','.join([str(i) for i in group_names]) - elif key == 'ec2_block_device_mapping': - instance_vars["ec2_block_devices"] = {} - for k, v in value.items(): - instance_vars["ec2_block_devices"][ os.path.basename(k) ] = v.volume_id - else: - pass - # TODO Product codes if someone finds them useful - #print key - #print type(value) - #print value - - return instance_vars - - def get_host_info_dict_from_describe_dict(self, describe_dict): - ''' Parses the dictionary returned by the API call into a flat list - of parameters. This method should be used only when 'describe' is - used directly because Boto doesn't provide specific classes. ''' - - # I really don't agree with prefixing everything with 'ec2' - # because EC2, RDS and ElastiCache are different services. - # I'm just following the pattern used until now to not break any - # compatibility. - - host_info = {} - for key in describe_dict: - value = describe_dict[key] - key = self.to_safe('ec2_' + self.uncammelize(key)) - - # Handle complex types - - # Target: Memcached Cache Clusters - if key == 'ec2_configuration_endpoint' and value: - host_info['ec2_configuration_endpoint_address'] = value['Address'] - host_info['ec2_configuration_endpoint_port'] = value['Port'] - - # Target: Cache Nodes and Redis Cache Clusters (single node) - if key == 'ec2_endpoint' and value: - host_info['ec2_endpoint_address'] = value['Address'] - host_info['ec2_endpoint_port'] = value['Port'] - - # Target: Redis Replication Groups - if key == 'ec2_node_groups' and value: - host_info['ec2_endpoint_address'] = value[0]['PrimaryEndpoint']['Address'] - host_info['ec2_endpoint_port'] = value[0]['PrimaryEndpoint']['Port'] - replica_count = 0 - for node in value[0]['NodeGroupMembers']: - if node['CurrentRole'] == 'primary': - host_info['ec2_primary_cluster_address'] = node['ReadEndpoint']['Address'] - host_info['ec2_primary_cluster_port'] = node['ReadEndpoint']['Port'] - host_info['ec2_primary_cluster_id'] = node['CacheClusterId'] - elif node['CurrentRole'] == 'replica': - host_info['ec2_replica_cluster_address_'+ str(replica_count)] = node['ReadEndpoint']['Address'] - host_info['ec2_replica_cluster_port_'+ str(replica_count)] = node['ReadEndpoint']['Port'] - host_info['ec2_replica_cluster_id_'+ str(replica_count)] = node['CacheClusterId'] - replica_count += 1 - - # Target: Redis Replication Groups - if key == 'ec2_member_clusters' and value: - host_info['ec2_member_clusters'] = ','.join([str(i) for i in value]) - - # Target: All Cache Clusters - elif key == 'ec2_cache_parameter_group': - host_info["ec2_cache_node_ids_to_reboot"] = ','.join([str(i) for i in value['CacheNodeIdsToReboot']]) - host_info['ec2_cache_parameter_group_name'] = value['CacheParameterGroupName'] - host_info['ec2_cache_parameter_apply_status'] = value['ParameterApplyStatus'] - - # Target: Almost everything - elif key == 'ec2_security_groups': - - # Skip if SecurityGroups is None - # (it is possible to have the key defined but no value in it). - if value is not None: - sg_ids = [] - for sg in value: - sg_ids.append(sg['SecurityGroupId']) - host_info["ec2_security_group_ids"] = ','.join([str(i) for i in sg_ids]) - - # Target: Everything - # Preserve booleans and integers - elif type(value) in [int, bool]: - host_info[key] = value - - # Target: Everything - # Sanitize string values - elif isinstance(value, six.string_types): - host_info[key] = value.strip() - - # Target: Everything - # Replace None by an empty string - elif type(value) == type(None): - host_info[key] = '' - - else: - # Remove non-processed complex types - pass - - return host_info - - def get_host_info(self): - ''' Get variables about a specific host ''' - - if len(self.index) == 0: - # Need to load index from cache - self.load_index_from_cache() - - if not self.args.host in self.index: - # try updating the cache - self.do_api_calls_update_cache() - if not self.args.host in self.index: - # host might not exist anymore - return self.json_format_dict({}, True) - - (region, instance_id) = self.index[self.args.host] - - instance = self.get_instance(region, instance_id) - return self.json_format_dict(self.get_host_info_dict_from_instance(instance), True) - - def push(self, my_dict, key, element): - ''' Push an element onto an array that may not have been defined in - the dict ''' - group_info = my_dict.setdefault(key, []) - if isinstance(group_info, dict): - host_list = group_info.setdefault('hosts', []) - host_list.append(element) - else: - group_info.append(element) - - def push_group(self, my_dict, key, element): - ''' Push a group as a child of another group. ''' - parent_group = my_dict.setdefault(key, {}) - if not isinstance(parent_group, dict): - parent_group = my_dict[key] = {'hosts': parent_group} - child_groups = parent_group.setdefault('children', []) - if element not in child_groups: - child_groups.append(element) - - def get_inventory_from_cache(self): - ''' Reads the inventory from the cache file and returns it as a JSON - object ''' - - cache = open(self.cache_path_cache, 'r') - json_inventory = cache.read() - return json_inventory - - - def load_index_from_cache(self): - ''' Reads the index from the cache file sets self.index ''' - - cache = open(self.cache_path_index, 'r') - json_index = cache.read() - self.index = json.loads(json_index) - - - def write_to_cache(self, data, filename): - ''' Writes data in JSON format to a file ''' - - json_data = self.json_format_dict(data, True) - cache = open(filename, 'w') - cache.write(json_data) - cache.close() - - def uncammelize(self, key): - temp = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', key) - return re.sub('([a-z0-9])([A-Z])', r'\1_\2', temp).lower() - - def to_safe(self, word): - ''' Converts 'bad' characters in a string to underscores so they can be used as Ansible groups ''' - regex = "[^A-Za-z0-9\_" - if not self.replace_dash_in_groups: - regex += "\-" - return re.sub(regex + "]", "_", word) - - def json_format_dict(self, data, pretty=False): - ''' Converts a dict to a JSON object and dumps it as a formatted - string ''' - - if pretty: - return json.dumps(data, sort_keys=True, indent=2) - else: - return json.dumps(data) - - -# Run the script -Ec2Inventory() |