aacbb97aa6
* Added modules to manage Atomic Host Platform (host and image) * Fixed review comments * Fixed requirements and locale setting
137 lines
4 KiB
Python
137 lines
4 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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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 on the container images
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version_added: "2.2"
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author: "Saravanan KR @krsacme"
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notes:
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- Host should be support ```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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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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default: null
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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 ```latest``` will ensure container image is upgraded to the latest version and forcefully restart container, if running.
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required: False
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choices: ["present", "absent", "latest"]
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default: latest
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started:
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description:
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- Start or Stop the continer
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required: False
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choices: ["yes", "no"]
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default: yes
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'''
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EXAMPLES = '''
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# Execute the run command on rsyslog container image (atomic run rhel7/rsyslog)
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- atomic_image: name=rhel7/rsyslog state=latest
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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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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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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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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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out = {}
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err = {}
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rc = 0
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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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name = dict(default=None, required=True),
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state = dict(default='latest', choices=['present', 'absent', 'latest']),
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started = dict(default='yes', type='bool'),
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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=str(e))
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# import module snippets
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from ansible.module_utils.basic import *
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if __name__ == '__main__':
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main()
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