mirror of
https://github.com/ansible-collections/community.general.git
synced 2026-02-03 23:41:51 +00:00
134 lines
3.3 KiB
Python
134 lines
3.3 KiB
Python
#!/usr/bin/python
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# Copyright (c) 2017, Arie Bregman <abregman@redhat.com>
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import annotations
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DOCUMENTATION = r"""
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module: ip_netns
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author: "Arie Bregman (@bregman-arie)"
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short_description: Manage network namespaces
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requirements: [ip]
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description:
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- Create or delete network namespaces using the C(ip) command.
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extends_documentation_fragment:
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- community.general.attributes
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attributes:
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check_mode:
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support: full
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diff_mode:
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support: none
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options:
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name:
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description:
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- Name of the namespace.
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type: str
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state:
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default: "present"
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choices: [present, absent]
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description:
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- Whether the namespace should exist.
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type: str
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"""
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EXAMPLES = r"""
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- name: Create a namespace named mario
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community.general.ip_netns:
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name: mario
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state: present
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- name: Delete a namespace named luigi
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community.general.ip_netns:
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name: luigi
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state: absent
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"""
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RETURN = r"""
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# Default return values
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"""
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from ansible.module_utils.basic import AnsibleModule
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class Namespace:
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"""Interface to network namespaces."""
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def __init__(self, module):
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self.module = module
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self.name = module.params["name"]
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self.state = module.params["state"]
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def _netns(self, command):
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"""Run ip nents command"""
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return self.module.run_command(["ip", "netns"] + command)
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def exists(self):
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"""Check if the namespace already exists"""
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rc, out, err = self.module.run_command(["ip", "netns", "list"])
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if rc != 0:
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self.module.fail_json(msg=f"{err}")
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return self.name in out
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def add(self):
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"""Create network namespace"""
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rtc, out, err = self._netns(["add", self.name])
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if rtc != 0:
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self.module.fail_json(msg=err)
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def delete(self):
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"""Delete network namespace"""
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rtc, out, err = self._netns(["del", self.name])
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if rtc != 0:
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self.module.fail_json(msg=err)
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def check(self):
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"""Run check mode"""
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changed = False
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if self.state == "present" and self.exists():
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changed = True
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elif self.state == "absent" and self.exists():
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changed = True
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elif self.state == "present" and not self.exists():
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changed = True
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self.module.exit_json(changed=changed)
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def run(self):
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"""Make the necessary changes"""
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changed = False
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if self.state == "absent":
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if self.exists():
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self.delete()
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changed = True
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elif self.state == "present":
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if not self.exists():
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self.add()
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changed = True
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self.module.exit_json(changed=changed)
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def main():
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"""Entry point."""
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module = AnsibleModule(
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argument_spec={
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"name": {"default": None},
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"state": {"default": "present", "choices": ["present", "absent"]},
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},
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supports_check_mode=True,
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)
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network_namespace = Namespace(module)
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if module.check_mode:
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network_namespace.check()
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else:
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network_namespace.run()
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if __name__ == "__main__":
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main()
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