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community.general/plugins/modules/net_tools/ip_netns.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
# (c) 2017, Arie Bregman <abregman@redhat.com>
#
# This file is a module for Ansible that interacts with Network Manager
#
# 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/>.
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = '''
---
module: ip_netns
author: "Arie Bregman (@bregman-arie)"
short_description: Manage network namespaces
requirements: [ ip ]
description:
- Create or delete network namespaces using the ip command.
options:
name:
required: false
description:
- Name of the namespace
Tidy up validate-modules:no-default-for-required-parameter and other cases (#1423) * Fixed validate-modules:mutually_exclusive-unknown for plugins/modules/packaging/os/redhat_subscription.py * fixed validation-modules for plugins/modules/cloud/lxd/lxd_container.py * fixed validation-modules for plugins/modules/web_infrastructure/sophos_utm/utm_network_interface_address.py * fixed validation-modules for plugins/modules/cloud/opennebula/one_host.py * fixed validation-modules for plugins/modules/cloud/opennebula/one_image_info.py * fixed validation-modules for plugins/modules/cloud/opennebula/one_image.py * fixed validation-modules for plugins/modules/cloud/opennebula/one_service.py * fixed validation-modules for plugins/modules/cloud/opennebula/one_vm.py * fixed validation-modules for plugins/modules/net_tools/cloudflare_dns.py * fixed validation-modules for plugins/modules/net_tools/ip_netns.py * fixed validation-modules for plugins/modules/net_tools/ipinfoio_facts.py * fixed validation-modules for plugins/modules/net_tools/netcup_dns.py * fixed validation-modules for plugins/modules/remote_management/wakeonlan.py * added types to plugins/modules/remote_management/stacki/stacki_host.py but still cannot remove ignore line * added a couple of FIXME comments * fixed validation-modules for plugins/modules/remote_management/manageiq/manageiq_provider.py * fixed validation-modules for plugins/modules/notification/rocketchat.py * fixed validation-modules for plugins/modules/monitoring/bigpanda.py * fixed validation-modules for plugins/modules/identity/keycloak/keycloak_client.py * fixed validation-modules for plugins/modules/identity/keycloak/keycloak_clienttemplate.py * fixed validation-modules for plugins/modules/cloud/univention/udm_user.py * fixed validation-modules for plugins/modules/cloud/univention/udm_group.py * fixed validation-modules for plugins/modules/cloud/spotinst/spotinst_aws_elastigroup.py * fixed validation-modules for plugins/modules/cloud/smartos/imgadm.py * fixed validation-modules for plugins/modules/cloud/profitbricks/profitbricks_nic.py * fixed validation-modules for plugins/modules/cloud/ovirt/ovirt_external_provider_facts.py * Tidy up validate-modules ignores no-default-for-required-parameter + couple of other cases * Added changelog frag * fixed validation-modules for plugins/modules/cloud/centurylink/clc_alert_policy.py * fixed validation-modules for plugins/modules/cloud/centurylink/clc_firewall_policy.py * fixed validation-modules for plugins/modules/cloud/lxd/lxd_profile.py * Typos and small fixes * fixed validation-modules for plugins/modules/net_tools/ldap/ldap_passwd.py * Typos and small fixes, part 2 * Fixes from PR comments * Update plugins/modules/cloud/profitbricks/profitbricks_nic.py Co-authored-by: Felix Fontein <felix@fontein.de> * Rolled back the mutually-exclusive-unknown in redhat_subscription * Update changelogs/fragments/1423-valmod_multiple_cases.yml Co-authored-by: Felix Fontein <felix@fontein.de> Co-authored-by: Felix Fontein <felix@fontein.de>
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type: str
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state:
required: false
default: "present"
choices: [ present, absent ]
description:
- Whether the namespace should exist
Tidy up validate-modules:no-default-for-required-parameter and other cases (#1423) * Fixed validate-modules:mutually_exclusive-unknown for plugins/modules/packaging/os/redhat_subscription.py * fixed validation-modules for plugins/modules/cloud/lxd/lxd_container.py * fixed validation-modules for plugins/modules/web_infrastructure/sophos_utm/utm_network_interface_address.py * fixed validation-modules for plugins/modules/cloud/opennebula/one_host.py * fixed validation-modules for plugins/modules/cloud/opennebula/one_image_info.py * fixed validation-modules for plugins/modules/cloud/opennebula/one_image.py * fixed validation-modules for plugins/modules/cloud/opennebula/one_service.py * fixed validation-modules for plugins/modules/cloud/opennebula/one_vm.py * fixed validation-modules for plugins/modules/net_tools/cloudflare_dns.py * fixed validation-modules for plugins/modules/net_tools/ip_netns.py * fixed validation-modules for plugins/modules/net_tools/ipinfoio_facts.py * fixed validation-modules for plugins/modules/net_tools/netcup_dns.py * fixed validation-modules for plugins/modules/remote_management/wakeonlan.py * added types to plugins/modules/remote_management/stacki/stacki_host.py but still cannot remove ignore line * added a couple of FIXME comments * fixed validation-modules for plugins/modules/remote_management/manageiq/manageiq_provider.py * fixed validation-modules for plugins/modules/notification/rocketchat.py * fixed validation-modules for plugins/modules/monitoring/bigpanda.py * fixed validation-modules for plugins/modules/identity/keycloak/keycloak_client.py * fixed validation-modules for plugins/modules/identity/keycloak/keycloak_clienttemplate.py * fixed validation-modules for plugins/modules/cloud/univention/udm_user.py * fixed validation-modules for plugins/modules/cloud/univention/udm_group.py * fixed validation-modules for plugins/modules/cloud/spotinst/spotinst_aws_elastigroup.py * fixed validation-modules for plugins/modules/cloud/smartos/imgadm.py * fixed validation-modules for plugins/modules/cloud/profitbricks/profitbricks_nic.py * fixed validation-modules for plugins/modules/cloud/ovirt/ovirt_external_provider_facts.py * Tidy up validate-modules ignores no-default-for-required-parameter + couple of other cases * Added changelog frag * fixed validation-modules for plugins/modules/cloud/centurylink/clc_alert_policy.py * fixed validation-modules for plugins/modules/cloud/centurylink/clc_firewall_policy.py * fixed validation-modules for plugins/modules/cloud/lxd/lxd_profile.py * Typos and small fixes * fixed validation-modules for plugins/modules/net_tools/ldap/ldap_passwd.py * Typos and small fixes, part 2 * Fixes from PR comments * Update plugins/modules/cloud/profitbricks/profitbricks_nic.py Co-authored-by: Felix Fontein <felix@fontein.de> * Rolled back the mutually-exclusive-unknown in redhat_subscription * Update changelogs/fragments/1423-valmod_multiple_cases.yml Co-authored-by: Felix Fontein <felix@fontein.de> Co-authored-by: Felix Fontein <felix@fontein.de>
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type: str
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'''
EXAMPLES = '''
- name: Create a namespace named mario
community.general.ip_netns:
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name: mario
state: present
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- name: Delete a namespace named luigi
community.general.ip_netns:
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name: luigi
state: absent
'''
RETURN = '''
# Default return values
'''
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils._text import to_text
class Namespace(object):
"""Interface to network namespaces. """
def __init__(self, module):
self.module = module
self.name = module.params['name']
self.state = module.params['state']
def _netns(self, command):
'''Run ip nents command'''
return self.module.run_command(['ip', 'netns'] + command)
def exists(self):
'''Check if the namespace already exists'''
rc, out, err = self.module.run_command('ip netns list')
if rc != 0:
self.module.fail_json(msg=to_text(err))
return self.name in out
def add(self):
'''Create network namespace'''
rtc, out, err = self._netns(['add', self.name])
if rtc != 0:
self.module.fail_json(msg=err)
def delete(self):
'''Delete network namespace'''
rtc, out, err = self._netns(['del', self.name])
if rtc != 0:
self.module.fail_json(msg=err)
def check(self):
'''Run check mode'''
changed = False
if self.state == 'present' and self.exists():
changed = True
elif self.state == 'absent' and self.exists():
changed = True
elif self.state == 'present' and not self.exists():
changed = True
self.module.exit_json(changed=changed)
def run(self):
'''Make the necessary changes'''
changed = False
if self.state == 'absent':
if self.exists():
self.delete()
changed = True
elif self.state == 'present':
if not self.exists():
self.add()
changed = True
self.module.exit_json(changed=changed)
def main():
"""Entry point."""
module = AnsibleModule(
argument_spec={
'name': {'default': None},
'state': {'default': 'present', 'choices': ['present', 'absent']},
},
supports_check_mode=True,
)
network_namespace = Namespace(module)
if module.check_mode:
network_namespace.check()
else:
network_namespace.run()
if __name__ == '__main__':
main()