diff options
Diffstat (limited to 'src/op_mode/container.py')
-rw-r--r-- | src/op_mode/container.py | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/op_mode/container.py b/src/op_mode/container.py new file mode 100644 index 0000000..05f65df --- /dev/null +++ b/src/op_mode/container.py @@ -0,0 +1,119 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2022-2024 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + +import json +import sys + +from vyos.utils.process import cmd +from vyos.utils.process import rc_cmd +import vyos.opmode + +def _get_json_data(command: str) -> list: + """ + Get container command format JSON + """ + return cmd(f'{command} --format json') + +def _get_raw_data(command: str) -> list: + json_data = _get_json_data(command) + data = json.loads(json_data) + return data + +def add_image(name: str): + """ Pull image from container registry. If registry authentication + is defined within VyOS CLI, credentials are used to login befroe pull """ + from vyos.configquery import ConfigTreeQuery + + conf = ConfigTreeQuery() + container = conf.get_config_dict(['container', 'registry']) + + do_logout = False + if 'registry' in container: + for registry, registry_config in container['registry'].items(): + if 'disable' in registry_config: + continue + if 'authentication' in registry_config: + do_logout = True + if {'username', 'password'} <= set(registry_config['authentication']): + username = registry_config['authentication']['username'] + password = registry_config['authentication']['password'] + cmd = f'podman login --username {username} --password {password} {registry}' + rc, out = rc_cmd(cmd) + if rc != 0: raise vyos.opmode.InternalError(out) + + rc, output = rc_cmd(f'podman image pull {name}') + if rc != 0: + raise vyos.opmode.InternalError(output) + + if do_logout: + rc_cmd('podman logout --all') + +def delete_image(name: str): + from vyos.utils.process import rc_cmd + + if name == 'all': + # gather list of all images and pass them to the removal list + name = cmd('sudo podman image ls --quiet') + # If there are no container images left, we can not delete them all + if not name: return + # replace newline with whitespace + name = name.replace('\n', ' ') + rc, output = rc_cmd(f'podman image rm {name}') + if rc != 0: + raise vyos.opmode.InternalError(output) + +def show_container(raw: bool): + command = 'podman ps --all' + container_data = _get_raw_data(command) + if raw: + return container_data + else: + return cmd(command) + +def show_image(raw: bool): + command = 'podman image ls' + container_data = _get_raw_data('podman image ls') + if raw: + return container_data + else: + return cmd(command) + +def show_network(raw: bool): + command = 'podman network ls' + container_data = _get_raw_data(command) + if raw: + return container_data + else: + return cmd(command) + +def restart(name: str): + from vyos.utils.process import rc_cmd + + rc, output = rc_cmd(f'systemctl restart vyos-container-{name}.service') + if rc != 0: + print(output) + return None + print(f'Container "{name}" restarted!') + return output + +if __name__ == '__main__': + try: + res = vyos.opmode.run(sys.modules[__name__]) + if res: + print(res) + except (ValueError, vyos.opmode.Error) as e: + print(e) + sys.exit(1) |