mirror of
https://github.com/thegeeklab/ansible-later.git
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217 lines
7.1 KiB
Python
217 lines
7.1 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright: (c) 2017, Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: gce_tag
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version_added: "2.0"
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short_description: add or remove tag(s) to/from GCE instances
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description:
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- This module can add or remove tags U(https://cloud.google.com/compute/docs/label-or-tag-resources#tags)
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to/from GCE instances. Use 'instance_pattern' to update multiple instances in a specify zone.
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options:
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instance_name:
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description:
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- The name of the GCE instance to add/remove tags.
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- Required if C(instance_pattern) is not specified.
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instance_pattern:
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description:
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- The pattern of GCE instance names to match for adding/removing tags. Full-Python regex is supported.
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See U(https://docs.python.org/2/library/re.html) for details.
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- If C(instance_name) is not specified, this field is required.
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version_added: "2.3"
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tags:
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description:
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- Comma-separated list of tags to add or remove.
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required: yes
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state:
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description:
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- Desired state of the tags.
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choices: [ absent, present ]
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default: present
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zone:
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description:
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- The zone of the disk specified by source.
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default: us-central1-a
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service_account_email:
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description:
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- Service account email.
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pem_file:
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description:
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- Path to the PEM file associated with the service account email.
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project_id:
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description:
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- Your GCE project ID.
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requirements:
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- python >= 2.6
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- apache-libcloud >= 0.17.0
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notes:
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- Either I(instance_name) or I(instance_pattern) is required.
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author:
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- Do Hoang Khiem (dohoangkhiem@gmail.com)
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- Tom Melendez (@supertom)
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'''
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EXAMPLES = '''
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- name: Add tags to instance
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gce_tag:
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instance_name: staging-server
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tags: http-server,https-server,staging
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zone: us-central1-a
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state: present
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- name: Remove tags from instance in default zone (us-central1-a)
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gce_tag:
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instance_name: test-server
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tags: foo,bar
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state: absent
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- name: Add tags to instances in zone that match pattern
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gce_tag:
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instance_pattern: test-server-*
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tags: foo,bar
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zone: us-central1-a
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state: present
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'''
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import re
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import traceback
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try:
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from libcloud.compute.types import Provider
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from libcloud.compute.providers import get_driver
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from libcloud.common.google import GoogleBaseError, QuotaExceededError, \
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ResourceExistsError, ResourceNotFoundError, InvalidRequestError
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_ = Provider.GCE
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HAS_LIBCLOUD = True
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except ImportError:
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HAS_LIBCLOUD = False
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.gce import gce_connect
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def _union_items(baselist, comparelist):
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"""Combine two lists, removing duplicates."""
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return list(set(baselist) | set(comparelist))
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def _intersect_items(baselist, comparelist):
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"""Return matching items in both lists."""
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return list(set(baselist) & set(comparelist))
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def _get_changed_items(baselist, comparelist):
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"""Return changed items as they relate to baselist."""
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return list(set(baselist) & set(set(baselist) ^ set(comparelist)))
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def modify_tags(gce, module, node, tags, state='present'):
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"""Modify tags on an instance."""
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existing_tags = node.extra['tags']
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tags = [x.lower() for x in tags]
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tags_changed = []
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if state == 'absent':
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# tags changed are any that intersect
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tags_changed = _intersect_items(existing_tags, tags)
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if not tags_changed:
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return False, None
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# update instance with tags in existing tags that weren't specified
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node_tags = _get_changed_items(existing_tags, tags)
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else:
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# tags changed are any that in the new list that weren't in existing
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tags_changed = _get_changed_items(tags, existing_tags)
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if not tags_changed:
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return False, None
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# update instance with the combined list
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node_tags = _union_items(existing_tags, tags)
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try:
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gce.ex_set_node_tags(node, node_tags)
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return True, tags_changed
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except (GoogleBaseError, InvalidRequestError) as e:
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module.fail_json(msg=str(e), changed=False)
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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instance_name=dict(type='str'),
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instance_pattern=dict(type='str'),
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tags=dict(type='list', required=True),
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state=dict(type='str', default='present', choices=['absent', 'present']),
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zone=dict(type='str', default='us-central1-a'),
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service_account_email=dict(type='str'),
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pem_file=dict(type='path'),
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project_id=dict(type='str'),
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),
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mutually_exclusive=[
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['instance_name', 'instance_pattern']
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],
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required_one_of=[
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['instance_name', 'instance_pattern']
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],
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)
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instance_name = module.params.get('instance_name')
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instance_pattern = module.params.get('instance_pattern')
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state = module.params.get('state')
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tags = module.params.get('tags')
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zone = module.params.get('zone')
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changed = False
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if not HAS_LIBCLOUD:
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module.fail_json(msg='libcloud with GCE support (0.17.0+) required for this module')
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gce = gce_connect(module)
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# Create list of nodes to operate on
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matching_nodes = []
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try:
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if instance_pattern:
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instances = gce.list_nodes(ex_zone=zone)
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# no instances in zone
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if not instances:
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module.exit_json(changed=False, tags=tags, zone=zone, instances_updated=[])
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try:
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# Python regex fully supported: https://docs.python.org/2/library/re.html
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p = re.compile(instance_pattern)
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matching_nodes = [i for i in instances if p.search(i.name) is not None]
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except re.error as e:
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module.fail_json(msg='Regex error for pattern %s: %s' % (instance_pattern, e), changed=False)
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else:
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matching_nodes = [gce.ex_get_node(instance_name, zone=zone)]
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except ResourceNotFoundError:
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module.fail_json(msg='Instance %s not found in zone %s' % (instance_name, zone), changed=False)
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except GoogleBaseError as e:
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module.fail_json(msg=str(e), changed=False, exception=traceback.format_exc())
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# Tag nodes
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instance_pattern_matches = []
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tags_changed = []
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for node in matching_nodes:
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changed, tags_changed = modify_tags(gce, module, node, tags, state)
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if changed:
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instance_pattern_matches.append({'instance_name': node.name, 'tags_changed': tags_changed})
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if instance_pattern:
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module.exit_json(changed=changed, instance_pattern=instance_pattern, tags=tags_changed, zone=zone, instances_updated=instance_pattern_matches)
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else:
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module.exit_json(changed=changed, instance_name=instance_name, tags=tags_changed, zone=zone)
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if __name__ == '__main__':
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main()
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