Add podman_container_info module (#64361)
Co-Authored-By: Felix Fontein <felix@fontein.de>
This commit is contained in:
Sergey
Sam Doran
parent
63bb08fea8
commit
e444e68bf0
4 changed files with 507 additions and 0 deletions
410
lib/ansible/modules/cloud/podman/podman_container_info.py
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410
lib/ansible/modules/cloud/podman/podman_container_info.py
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@ -0,0 +1,410 @@
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright (c) 2019 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 = {
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'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'
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}
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DOCUMENTATION = """
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module: podman_container_info
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author:
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- Sagi Shnaidman (@sshnaidm)
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- Emilien Macchi (@EmilienM)
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version_added: '2.10'
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short_description: Gather facts about containers using podman
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notes:
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- Podman may require elevated privileges in order to run properly.
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description:
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- Gather facts about containers using C(podman)
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requirements:
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- "Podman installed on host"
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options:
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name:
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description:
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- List of container names to gather facts about. If no name is given
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return facts about all containers.
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type: list
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elements: str
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executable:
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description:
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- Path to C(podman) executable if it is not in the C($PATH) on the
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machine running C(podman)
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default: 'podman'
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type: str
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"""
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EXAMPLES = """
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- name: Gather facts for all containers
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podman_container_info:
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- name: Gather facts on a specific container
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podman_container_info:
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name: web1
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- name: Gather facts on several containers
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podman_container_info:
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name:
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- redis
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- web1
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"""
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RETURN = """
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containers:
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description: Facts from all or specificed containers
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returned: always
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type: list
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elements: dict
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sample: [
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{
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"Id": "c5c39f9b80a6ea2ad665aa9946435934e478a0c5322da835f3883872f",
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"Created": "2019-10-01T12:51:00.233106443Z",
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"Path": "dumb-init",
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"Args": [
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"--single-child",
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"--",
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"kolla_start"
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],
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"State": {
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"OciVersion": "1.0.1-dev",
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"Status": "configured",
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"Running": false,
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"Paused": false,
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"Restarting": false,
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"OOMKilled": false,
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"Dead": false,
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"Pid": 0,
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"ExitCode": 0,
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"Error": "",
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"StartedAt": "0001-01-01T00:00:00Z",
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"FinishedAt": "0001-01-01T00:00:00Z",
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"Healthcheck": {
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"Status": "",
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"FailingStreak": 0,
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"Log": null
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}
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},
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"Image": "0e267acda67d0ebd643e900d820a91b961d859743039e620191ca1",
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"ImageName": "docker.io/tripleomaster/centos-haproxy:latest",
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"Rootfs": "",
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"Pod": "",
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"ResolvConfPath": "",
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"HostnamePath": "",
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"HostsPath": "",
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"OCIRuntime": "runc",
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"Name": "haproxy",
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"RestartCount": 0,
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"Driver": "overlay",
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"MountLabel": "system_u:object_r:svirt_sandbox_file_t:s0:c78,c866",
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"ProcessLabel": "system_u:system_r:svirt_lxc_net_t:s0:c785,c866",
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"AppArmorProfile": "",
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"EffectiveCaps": [
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"CAP_CHOWN",
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"CAP_DAC_OVERRIDE",
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"CAP_FSETID",
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"CAP_FOWNER",
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"CAP_MKNOD",
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"CAP_NET_RAW",
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"CAP_SETGID",
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"CAP_SETUID",
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"CAP_SETFCAP",
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"CAP_SETPCAP",
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"CAP_NET_BIND_SERVICE",
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"CAP_SYS_CHROOT",
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"CAP_KILL",
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"CAP_AUDIT_WRITE"
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],
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"BoundingCaps": [
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"CAP_CHOWN",
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"CAP_DAC_OVERRIDE",
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"CAP_FSETID",
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"CAP_FOWNER",
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"CAP_MKNOD",
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"CAP_NET_RAW",
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"CAP_SETGID",
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"CAP_SETUID",
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"CAP_SETFCAP",
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"CAP_SETPCAP",
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"CAP_NET_BIND_SERVICE",
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"CAP_SYS_CHROOT",
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"CAP_KILL",
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"CAP_AUDIT_WRITE"
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],
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"ExecIDs": [],
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"GraphDriver": {
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"Name": "overlay"
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},
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"Mounts": [],
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"Dependencies": [],
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"NetworkSettings": {
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"Bridge": "",
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"SandboxID": "",
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"HairpinMode": false,
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"LinkLocalIPv6Address": "",
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"LinkLocalIPv6PrefixLen": 0,
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"Ports": [],
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"SandboxKey": "",
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"SecondaryIPAddresses": null,
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"SecondaryIPv6Addresses": null,
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"EndpointID": "",
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"Gateway": "",
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"GlobalIPv6Address": "",
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"GlobalIPv6PrefixLen": 0,
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"IPAddress": "",
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"IPPrefixLen": 0,
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"IPv6Gateway": "",
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"MacAddress": ""
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},
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"ExitCommand": [
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"/usr/bin/podman",
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"--root",
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"/var/lib/containers/storage",
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"--runroot",
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"/var/run/containers/storage",
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"--log-level",
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"error",
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"--cgroup-manager",
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"systemd",
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"--tmpdir",
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"/var/run/libpod",
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"--runtime",
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"runc",
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"--storage-driver",
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"overlay",
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"--events-backend",
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"journald",
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"container",
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"cleanup",
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"c9e813703f9b80a6ea2ad665aa9946435934e478a0c5322da835f3883872f"
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],
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"Namespace": "",
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"IsInfra": false,
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"Config": {
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"Hostname": "c5c39e813703",
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"Domainname": "",
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"User": "",
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"AttachStdin": false,
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"AttachStdout": false,
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"AttachStderr": false,
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"Tty": false,
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"OpenStdin": false,
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"StdinOnce": false,
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"Env": [
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"PATH=/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
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"TERM=xterm",
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"HOSTNAME=",
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"container=oci",
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"KOLLA_INSTALL_METATYPE=rdo",
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"KOLLA_BASE_DISTRO=centos",
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"KOLLA_INSTALL_TYPE=binary",
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"KOLLA_DISTRO_PYTHON_VERSION=2.7",
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"KOLLA_BASE_ARCH=x86_64"
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],
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"Cmd": [
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"kolla_start"
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],
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"Image": "docker.io/tripleomaster/centos-haproxy:latest",
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"Volumes": null,
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"WorkingDir": "/",
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"Entrypoint": "dumb-init --single-child --",
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"OnBuild": null,
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"Labels": {
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"build-date": "20190919",
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"kolla_version": "8.1.0",
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"name": "haproxy",
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"org.label-schema.build-date": "20190801",
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"org.label-schema.license": "GPLv2",
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"org.label-schema.name": "CentOS Base Image",
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"org.label-schema.schema-version": "1.0",
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"org.label-schema.vendor": "CentOS"
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},
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"Annotations": {
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"io.kubernetes.cri-o.ContainerType": "sandbox",
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"io.kubernetes.cri-o.TTY": "false",
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"io.podman.annotations.autoremove": "FALSE",
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"io.podman.annotations.init": "FALSE",
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"io.podman.annotations.privileged": "FALSE",
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"io.podman.annotations.publish-all": "FALSE"
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},
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"StopSignal": 15
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},
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"HostConfig": {
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"Binds": [],
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"ContainerIDFile": "",
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"LogConfig": {
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"Type": "k8s-file",
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"Config": null
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},
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"NetworkMode": "default",
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"PortBindings": {},
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"RestartPolicy": {
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"Name": "",
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"MaximumRetryCount": 0
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},
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"AutoRemove": false,
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"VolumeDriver": "",
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"VolumesFrom": null,
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"CapAdd": [],
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"CapDrop": [],
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"Dns": [],
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"DnsOptions": [],
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"DnsSearch": [],
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"ExtraHosts": [],
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"GroupAdd": [],
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"IpcMode": "",
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"Cgroup": "",
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"Links": null,
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"OomScoreAdj": 0,
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"PidMode": "",
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"Privileged": false,
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"PublishAllPorts": false,
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"ReadonlyRootfs": false,
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"SecurityOpt": [],
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"Tmpfs": {},
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"UTSMode": "",
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"UsernsMode": "",
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"ShmSize": 65536000,
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"Runtime": "oci",
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"ConsoleSize": [
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0,
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0
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],
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"Isolation": "",
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"CpuShares": 0,
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"Memory": 0,
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"NanoCpus": 0,
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"CgroupParent": "",
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"BlkioWeight": 0,
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"BlkioWeightDevice": null,
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"BlkioDeviceReadBps": null,
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"BlkioDeviceWriteBps": null,
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"BlkioDeviceReadIOps": null,
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"BlkioDeviceWriteIOps": null,
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"CpuPeriod": 0,
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"CpuQuota": 0,
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"CpuRealtimePeriod": 0,
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"CpuRealtimeRuntime": 0,
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"CpusetCpus": "",
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"CpusetMems": "",
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"Devices": [],
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"DiskQuota": 0,
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"KernelMemory": 0,
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"MemoryReservation": 0,
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"MemorySwap": 0,
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"MemorySwappiness": -1,
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"OomKillDisable": false,
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"PidsLimit": 0,
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"Ulimits": [
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{
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"Name": "RLIMIT_NOFILE",
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"Soft": 1048576,
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"Hard": 1048576
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},
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{
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"Name": "RLIMIT_NPROC",
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"Soft": 1048576,
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"Hard": 1048576
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}
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],
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"CpuCount": 0,
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"CpuPercent": 0,
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"IOMaximumIOps": 0,
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"IOMaximumBandwidth": 0
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}
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}
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]
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"""
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import json
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from ansible.module_utils.basic import AnsibleModule
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def get_containers_facts(module, executable, name):
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"""Collect containers facts for all containers or for specified in 'name'.
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Arguments:
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module {AnsibleModule} -- instance of AnsibleModule
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executable {string} -- binary to execute when inspecting containers
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name {list} -- list of names or None in case of all containers
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Returns:
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list of containers info, stdout, stderr
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"""
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if not name:
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all_names = [executable, 'container', 'ls', '-q', '-a']
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rc, out, err = module.run_command(all_names)
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if rc != 0:
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module.fail_json(msg="Unable to get list of containers: %s" % err)
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name = out.split()
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if not name:
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return [], out, err
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command = [executable, 'container', 'inspect']
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command.extend(name)
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rc, out, err = module.run_command(command)
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if rc == 0:
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json_out = json.loads(out) if out else None
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if json_out is None:
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return [], out, err
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return json_out, out, err
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if rc != 0 and 'no such ' in err:
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if len(name) < 2:
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return [], out, err
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return cycle_over(module, executable, name)
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module.fail_json(msg="Unable to gather info for %s: %s" % (",".join(name), err))
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def cycle_over(module, executable, name):
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"""Inspect each container in a cycle in case some of them don't exist.
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Arguments:
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module {AnsibleModule} -- instance of AnsibleModule
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executable {string} -- binary to execute when inspecting containers
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name {list} -- list of containers names to inspect
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Returns:
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list of containers info, stdout as empty, stderr
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"""
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inspection = []
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stderrs = []
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for container in name:
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command = [executable, 'container', 'inspect', container]
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rc, out, err = module.run_command(command)
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if rc != 0 and 'no such ' not in err:
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module.fail_json(msg="Unable to gather info for %s: %s" % (container, err))
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if rc == 0 and out:
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json_out = json.loads(out)
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if json_out:
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inspection += json_out
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stderrs.append(err)
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return inspection, "", "\n".join(stderrs)
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def main():
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module = AnsibleModule(
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argument_spec={
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'executable': {'type': 'str', 'default': 'podman'},
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'name': {'type': 'list', 'elements': 'str'},
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},
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supports_check_mode=True,
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)
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name = module.params['name']
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executable = module.get_bin_path(module.params['executable'], required=True)
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inspect_results, out, err = get_containers_facts(module, executable, name)
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results = {
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"changed": False,
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"containers": inspect_results,
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"stderr": err
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}
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module.exit_json(**results)
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if __name__ == '__main__':
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main()
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4
test/integration/targets/podman_container_info/aliases
Normal file
4
test/integration/targets/podman_container_info/aliases
Normal file
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@ -0,0 +1,4 @@
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shippable/posix/group2
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skip/osx
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skip/freebsd
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destructive
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@ -0,0 +1,2 @@
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dependencies:
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- setup_podman
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@ -0,0 +1,91 @@
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- name: Test podman_container_info
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when:
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- ansible_facts.virtualization_type != 'docker'
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- ansible_facts.distribution == 'RedHat'
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block:
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- name: Generate random value for container name
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set_fact:
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container_name: "{{ 'ansible-test-podman-%0x' % ((2**32) | random) }}"
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- name: Make sure container doesn't exist
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command: podman container rm -f {{ container_name }}
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ignore_errors: true
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- name: Get missing container info
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podman_container_info:
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name: "{{ container_name }}"
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register: nonexist
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- name: Check results of missing container info
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assert:
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that:
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- "'containers' in nonexist"
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- nonexist is succeeded
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- nonexist.containers == []
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- name: Get missing multiple container info
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podman_container_info:
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name:
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- "{{ container_name }}"
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- neverexist
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- whatever
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register: nonexist2
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ignore_errors: true
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- name: Check results of missing multiple container info
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assert:
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that:
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- "'containers' in nonexist2"
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- nonexist2 is succeeded
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- nonexist2.containers == []
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- name: Make sure container exists
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command: podman container run -d --name {{ container_name }} alpine sleep 15m
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- name: Get existing container info
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podman_container_info:
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name: "{{ container_name }}"
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register: existing_container
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- name: Get mixed existing and non-existing container info
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podman_container_info:
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name:
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- "{{ container_name }}"
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||||
- whatever
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register: mixed_existing_container
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||||
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||||
- name: Get all containers info
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podman_container_info:
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register: all_containers
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- name: Dump podman container inspect result
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debug: var=existing_container
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||||
- name: Comparison with 'podman container inspect'
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||||
command: podman container inspect "{{ container_name }}"
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register: podman_inspect
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||||
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||||
- name: Convert podman inspect output to JSON
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||||
set_fact:
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podman_inspect_result: "{{ podman_inspect.stdout | from_json }}"
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||||
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- name: Cleanup
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||||
command: podman container rm -f {{ container_name }}
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||||
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||||
- name: Make checks
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assert:
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||||
that:
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- "'containers' in existing_container"
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||||
- existing_container.containers
|
||||
- "existing_container.containers == podman_inspect_result"
|
||||
- all_containers.containers == existing_container.containers
|
||||
- "'containers' in mixed_existing_container"
|
||||
- mixed_existing_container.containers
|
||||
- existing_container.containers == mixed_existing_container.containers
|
||||
|
||||
always:
|
||||
|
||||
- name: Cleanup
|
||||
command: podman container rm -f {{ container_name }}
|
||||
ignore_errors: true
|
||||
Loading…
Reference in a new issue