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community.general/plugins/modules/cloud/docker/docker_network_info.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
#
# Copyright 2016 Red Hat | Ansible
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = '''
---
module: docker_network_info
short_description: Retrieves facts about docker network
description:
- Retrieves facts about a docker network.
- Essentially returns the output of C(docker network inspect <name>), similar to what M(docker_network)
returns for a non-absent network.
options:
name:
description:
- The name of the network to inspect.
- When identifying an existing network name may be a name or a long or short network ID.
type: str
required: yes
extends_documentation_fragment:
- community.general.docker
- community.general.docker.docker_py_1_documentation
author:
- "Dave Bendit (@DBendit)"
requirements:
- "L(Docker SDK for Python,https://docker-py.readthedocs.io/en/stable/) >= 1.8.0 (use L(docker-py,https://pypi.org/project/docker-py/) for Python 2.6)"
- "Docker API >= 1.21"
'''
EXAMPLES = '''
- name: Get infos on network
docker_network_info:
name: mydata
register: result
- name: Does network exist?
debug:
msg: "The network {{ 'exists' if result.exists else 'does not exist' }}"
- name: Print information about network
debug:
var: result.network
when: result.exists
'''
RETURN = '''
exists:
description:
- Returns whether the network exists.
type: bool
returned: always
sample: true
network:
description:
- Facts representing the current state of the network. Matches the docker inspection output.
- Will be C(none) if network does not exist.
returned: always
type: dict
sample: '{
"Attachable": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Created": "2018-12-07T01:47:51.250835114-06:00",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Config": [
{
"Gateway": "192.168.96.1",
"Subnet": "192.168.96.0/20"
}
],
"Driver": "default",
"Options": null
},
"Id": "0856968545f22026c41c2c7c3d448319d3b4a6a03a40b148b3ac4031696d1c0a",
"Ingress": false,
"Internal": false,
"Labels": {},
"Name": "ansible-test-f2700bba",
"Options": {},
"Scope": "local"
}'
'''
import traceback
try:
from docker.errors import DockerException
except ImportError:
# missing Docker SDK for Python handled in ansible.module_utils.docker.common
pass
from ansible_collections.community.general.plugins.module_utils.docker.common import (
AnsibleDockerClient,
RequestException,
)
def main():
argument_spec = dict(
name=dict(type='str', required=True),
)
client = AnsibleDockerClient(
argument_spec=argument_spec,
supports_check_mode=True,
min_docker_api_version='1.21',
)
try:
network = client.get_network(client.module.params['name'])
client.module.exit_json(
changed=False,
exists=(True if network else False),
network=network,
)
except DockerException as e:
client.fail('An unexpected docker error occurred: {0}'.format(e), exception=traceback.format_exc())
except RequestException as e:
client.fail('An unexpected requests error occurred when docker-py tried to talk to the docker daemon: {0}'.format(e), exception=traceback.format_exc())
if __name__ == '__main__':
main()