mirror of
https://github.com/thegeeklab/ansible-later.git
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172 lines
5.1 KiB
Python
172 lines
5.1 KiB
Python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright: 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: atomic_image
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short_description: Manage the container images on the atomic host platform
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description:
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- Manage the container images on the atomic host platform.
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- Allows to execute the commands specified by the RUN label in the container image when present.
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version_added: "2.2"
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author:
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- Saravanan KR (@krsacme)
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notes:
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- Host should support C(atomic) command.
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requirements:
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- atomic
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- python >= 2.6
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options:
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backend:
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description:
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- Define the backend where the image is pulled.
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choices: [ docker, ostree ]
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version_added: "2.4"
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name:
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description:
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- Name of the container image.
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required: True
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state:
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description:
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- The state of the container image.
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- The state C(latest) will ensure container image is upgraded to the latest version and forcefully restart container, if running.
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choices: [ absent, latest, present ]
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default: latest
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started:
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description:
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- Start or Stop the container.
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type: bool
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default: 'yes'
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'''
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EXAMPLES = '''
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- name: Execute the run command on rsyslog container image (atomic run rhel7/rsyslog)
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atomic_image:
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name: rhel7/rsyslog
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state: latest
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- name: Pull busybox to the OSTree backend
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atomic_image:
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name: busybox
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state: latest
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backend: ostree
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'''
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RETURN = '''
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msg:
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description: The command standard output
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returned: always
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type: string
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sample: [u'Using default tag: latest ...']
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'''
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import traceback
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils._text import to_native
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def do_upgrade(module, image):
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args = ['atomic', 'update', '--force', image]
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rc, out, err = module.run_command(args, check_rc=False)
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if rc != 0: # something went wrong emit the msg
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module.fail_json(rc=rc, msg=err)
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elif 'Image is up to date' in out:
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return False
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return True
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def core(module):
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image = module.params['name']
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state = module.params['state']
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started = module.params['started']
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backend = module.params['backend']
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is_upgraded = False
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module.run_command_environ_update = dict(LANG='C', LC_ALL='C', LC_MESSAGES='C')
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out = {}
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err = {}
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rc = 0
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if backend:
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if state == 'present' or state == 'latest':
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args = ['atomic', 'pull', "--storage=%s" % backend, image]
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rc, out, err = module.run_command(args, check_rc=False)
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if rc < 0:
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module.fail_json(rc=rc, msg=err)
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else:
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out_run = ""
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if started:
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args = ['atomic', 'run', "--storage=%s" % backend, image]
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rc, out_run, err = module.run_command(args, check_rc=False)
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if rc < 0:
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module.fail_json(rc=rc, msg=err)
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changed = "Extracting" in out or "Copying blob" in out
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module.exit_json(msg=(out + out_run), changed=changed)
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elif state == 'absent':
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args = ['atomic', 'images', 'delete', "--storage=%s" % backend, image]
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if rc < 0:
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module.fail_json(rc=rc, msg=err)
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else:
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changed = "Unable to find" not in out
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module.exit_json(msg=out, changed=changed)
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return
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if state == 'present' or state == 'latest':
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if state == 'latest':
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is_upgraded = do_upgrade(module, image)
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if started:
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args = ['atomic', 'run', image]
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else:
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args = ['atomic', 'install', image]
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elif state == 'absent':
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args = ['atomic', 'uninstall', image]
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rc, out, err = module.run_command(args, check_rc=False)
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if rc < 0:
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module.fail_json(rc=rc, msg=err)
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elif rc == 1 and 'already present' in err:
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module.exit_json(restult=err, changed=is_upgraded)
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elif started and 'Container is running' in out:
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module.exit_json(result=out, changed=is_upgraded)
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else:
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module.exit_json(msg=out, changed=True)
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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backend=dict(type='str', choices=['docker', 'ostree']),
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name=dict(type='str', required=True),
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state=dict(type='str', default='latest', choices=['absent', 'latest', 'present']),
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started=dict(type='bool', default=True),
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),
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)
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# Verify that the platform supports atomic command
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rc, out, err = module.run_command('atomic -v', check_rc=False)
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if rc != 0:
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module.fail_json(msg="Error in running atomic command", err=err)
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try:
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core(module)
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except Exception as e:
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module.fail_json(msg=to_native(e), exception=traceback.format_exc())
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if __name__ == '__main__':
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main()
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