From e444e68bf02b9791c784e0cf9f3e6e76b5c9a3cc Mon Sep 17 00:00:00 2001 From: Sergey Date: Fri, 6 Dec 2019 16:50:30 +0200 Subject: [PATCH] Add podman_container_info module (#64361) Co-Authored-By: Felix Fontein --- .../cloud/podman/podman_container_info.py | 410 ++++++++++++++++++ .../targets/podman_container_info/aliases | 4 + .../podman_container_info/meta/main.yml | 2 + .../podman_container_info/tasks/main.yml | 91 ++++ 4 files changed, 507 insertions(+) create mode 100644 lib/ansible/modules/cloud/podman/podman_container_info.py create mode 100644 test/integration/targets/podman_container_info/aliases create mode 100644 test/integration/targets/podman_container_info/meta/main.yml create mode 100644 test/integration/targets/podman_container_info/tasks/main.yml diff --git a/lib/ansible/modules/cloud/podman/podman_container_info.py b/lib/ansible/modules/cloud/podman/podman_container_info.py new file mode 100644 index 00000000000..356290561bd --- /dev/null +++ b/lib/ansible/modules/cloud/podman/podman_container_info.py @@ -0,0 +1,410 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- +# Copyright (c) 2019 Ansible Project +# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) + +from __future__ import absolute_import, division, print_function +__metaclass__ = type + +ANSIBLE_METADATA = { + 'metadata_version': '1.1', + 'status': ['preview'], + 'supported_by': 'community' +} + +DOCUMENTATION = """ +module: podman_container_info +author: + - Sagi Shnaidman (@sshnaidm) + - Emilien Macchi (@EmilienM) +version_added: '2.10' +short_description: Gather facts about containers using podman +notes: + - Podman may require elevated privileges in order to run properly. +description: + - Gather facts about containers using C(podman) +requirements: + - "Podman installed on host" +options: + name: + description: + - List of container names to gather facts about. If no name is given + return facts about all containers. + type: list + elements: str + executable: + description: + - Path to C(podman) executable if it is not in the C($PATH) on the + machine running C(podman) + default: 'podman' + type: str +""" +EXAMPLES = """ +- name: Gather facts for all containers + podman_container_info: + +- name: Gather facts on a specific container + podman_container_info: + name: web1 + +- name: Gather facts on several containers + podman_container_info: + name: + - redis + - web1 +""" +RETURN = """ +containers: + description: Facts from all or specificed containers + returned: always + type: list + elements: dict + sample: [ + { + "Id": "c5c39f9b80a6ea2ad665aa9946435934e478a0c5322da835f3883872f", + "Created": "2019-10-01T12:51:00.233106443Z", + "Path": "dumb-init", + "Args": [ + "--single-child", + "--", + "kolla_start" + ], + "State": { + "OciVersion": "1.0.1-dev", + "Status": "configured", + "Running": false, + "Paused": false, + "Restarting": false, + "OOMKilled": false, + "Dead": false, + "Pid": 0, + "ExitCode": 0, + "Error": "", + "StartedAt": "0001-01-01T00:00:00Z", + "FinishedAt": "0001-01-01T00:00:00Z", + "Healthcheck": { + "Status": "", + "FailingStreak": 0, + "Log": null + } + }, + "Image": "0e267acda67d0ebd643e900d820a91b961d859743039e620191ca1", + "ImageName": "docker.io/tripleomaster/centos-haproxy:latest", + "Rootfs": "", + "Pod": "", + "ResolvConfPath": "", + "HostnamePath": "", + "HostsPath": "", + "OCIRuntime": "runc", + "Name": "haproxy", + "RestartCount": 0, + "Driver": "overlay", + "MountLabel": "system_u:object_r:svirt_sandbox_file_t:s0:c78,c866", + "ProcessLabel": "system_u:system_r:svirt_lxc_net_t:s0:c785,c866", + "AppArmorProfile": "", + "EffectiveCaps": [ + "CAP_CHOWN", + "CAP_DAC_OVERRIDE", + "CAP_FSETID", + "CAP_FOWNER", + "CAP_MKNOD", + "CAP_NET_RAW", + "CAP_SETGID", + "CAP_SETUID", + "CAP_SETFCAP", + "CAP_SETPCAP", + "CAP_NET_BIND_SERVICE", + "CAP_SYS_CHROOT", + "CAP_KILL", + "CAP_AUDIT_WRITE" + ], + "BoundingCaps": [ + "CAP_CHOWN", + "CAP_DAC_OVERRIDE", + "CAP_FSETID", + "CAP_FOWNER", + "CAP_MKNOD", + "CAP_NET_RAW", + "CAP_SETGID", + "CAP_SETUID", + "CAP_SETFCAP", + "CAP_SETPCAP", + "CAP_NET_BIND_SERVICE", + "CAP_SYS_CHROOT", + "CAP_KILL", + "CAP_AUDIT_WRITE" + ], + "ExecIDs": [], + "GraphDriver": { + "Name": "overlay" + }, + "Mounts": [], + "Dependencies": [], + "NetworkSettings": { + "Bridge": "", + "SandboxID": "", + "HairpinMode": false, + "LinkLocalIPv6Address": "", + "LinkLocalIPv6PrefixLen": 0, + "Ports": [], + "SandboxKey": "", + "SecondaryIPAddresses": null, + "SecondaryIPv6Addresses": null, + "EndpointID": "", + "Gateway": "", + "GlobalIPv6Address": "", + "GlobalIPv6PrefixLen": 0, + "IPAddress": "", + "IPPrefixLen": 0, + "IPv6Gateway": "", + "MacAddress": "" + }, + "ExitCommand": [ + "/usr/bin/podman", + "--root", + "/var/lib/containers/storage", + "--runroot", + "/var/run/containers/storage", + "--log-level", + "error", + "--cgroup-manager", + "systemd", + "--tmpdir", + "/var/run/libpod", + "--runtime", + "runc", + "--storage-driver", + "overlay", + "--events-backend", + "journald", + "container", + "cleanup", + "c9e813703f9b80a6ea2ad665aa9946435934e478a0c5322da835f3883872f" + ], + "Namespace": "", + "IsInfra": false, + "Config": { + "Hostname": "c5c39e813703", + "Domainname": "", + "User": "", + "AttachStdin": false, + "AttachStdout": false, + "AttachStderr": false, + "Tty": false, + "OpenStdin": false, + "StdinOnce": false, + "Env": [ + "PATH=/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + "TERM=xterm", + "HOSTNAME=", + "container=oci", + "KOLLA_INSTALL_METATYPE=rdo", + "KOLLA_BASE_DISTRO=centos", + "KOLLA_INSTALL_TYPE=binary", + "KOLLA_DISTRO_PYTHON_VERSION=2.7", + "KOLLA_BASE_ARCH=x86_64" + ], + "Cmd": [ + "kolla_start" + ], + "Image": "docker.io/tripleomaster/centos-haproxy:latest", + "Volumes": null, + "WorkingDir": "/", + "Entrypoint": "dumb-init --single-child --", + "OnBuild": null, + "Labels": { + "build-date": "20190919", + "kolla_version": "8.1.0", + "name": "haproxy", + "org.label-schema.build-date": "20190801", + "org.label-schema.license": "GPLv2", + "org.label-schema.name": "CentOS Base Image", + "org.label-schema.schema-version": "1.0", + "org.label-schema.vendor": "CentOS" + }, + "Annotations": { + "io.kubernetes.cri-o.ContainerType": "sandbox", + "io.kubernetes.cri-o.TTY": "false", + "io.podman.annotations.autoremove": "FALSE", + "io.podman.annotations.init": "FALSE", + "io.podman.annotations.privileged": "FALSE", + "io.podman.annotations.publish-all": "FALSE" + }, + "StopSignal": 15 + }, + "HostConfig": { + "Binds": [], + "ContainerIDFile": "", + "LogConfig": { + "Type": "k8s-file", + "Config": null + }, + "NetworkMode": "default", + "PortBindings": {}, + "RestartPolicy": { + "Name": "", + "MaximumRetryCount": 0 + }, + "AutoRemove": false, + "VolumeDriver": "", + "VolumesFrom": null, + "CapAdd": [], + "CapDrop": [], + "Dns": [], + "DnsOptions": [], + "DnsSearch": [], + "ExtraHosts": [], + "GroupAdd": [], + "IpcMode": "", + "Cgroup": "", + "Links": null, + "OomScoreAdj": 0, + "PidMode": "", + "Privileged": false, + "PublishAllPorts": false, + "ReadonlyRootfs": false, + "SecurityOpt": [], + "Tmpfs": {}, + "UTSMode": "", + "UsernsMode": "", + "ShmSize": 65536000, + "Runtime": "oci", + "ConsoleSize": [ + 0, + 0 + ], + "Isolation": "", + "CpuShares": 0, + "Memory": 0, + "NanoCpus": 0, + "CgroupParent": "", + "BlkioWeight": 0, + "BlkioWeightDevice": null, + "BlkioDeviceReadBps": null, + "BlkioDeviceWriteBps": null, + "BlkioDeviceReadIOps": null, + "BlkioDeviceWriteIOps": null, + "CpuPeriod": 0, + "CpuQuota": 0, + "CpuRealtimePeriod": 0, + "CpuRealtimeRuntime": 0, + "CpusetCpus": "", + "CpusetMems": "", + "Devices": [], + "DiskQuota": 0, + "KernelMemory": 0, + "MemoryReservation": 0, + "MemorySwap": 0, + "MemorySwappiness": -1, + "OomKillDisable": false, + "PidsLimit": 0, + "Ulimits": [ + { + "Name": "RLIMIT_NOFILE", + "Soft": 1048576, + "Hard": 1048576 + }, + { + "Name": "RLIMIT_NPROC", + "Soft": 1048576, + "Hard": 1048576 + } + ], + "CpuCount": 0, + "CpuPercent": 0, + "IOMaximumIOps": 0, + "IOMaximumBandwidth": 0 + } + } + ] +""" + +import json +from ansible.module_utils.basic import AnsibleModule + + +def get_containers_facts(module, executable, name): + """Collect containers facts for all containers or for specified in 'name'. + + Arguments: + module {AnsibleModule} -- instance of AnsibleModule + executable {string} -- binary to execute when inspecting containers + name {list} -- list of names or None in case of all containers + + Returns: + list of containers info, stdout, stderr + """ + if not name: + all_names = [executable, 'container', 'ls', '-q', '-a'] + rc, out, err = module.run_command(all_names) + if rc != 0: + module.fail_json(msg="Unable to get list of containers: %s" % err) + name = out.split() + if not name: + return [], out, err + command = [executable, 'container', 'inspect'] + command.extend(name) + rc, out, err = module.run_command(command) + if rc == 0: + json_out = json.loads(out) if out else None + if json_out is None: + return [], out, err + return json_out, out, err + if rc != 0 and 'no such ' in err: + if len(name) < 2: + return [], out, err + return cycle_over(module, executable, name) + module.fail_json(msg="Unable to gather info for %s: %s" % (",".join(name), err)) + + +def cycle_over(module, executable, name): + """Inspect each container in a cycle in case some of them don't exist. + + Arguments: + module {AnsibleModule} -- instance of AnsibleModule + executable {string} -- binary to execute when inspecting containers + name {list} -- list of containers names to inspect + + Returns: + list of containers info, stdout as empty, stderr + """ + inspection = [] + stderrs = [] + for container in name: + command = [executable, 'container', 'inspect', container] + rc, out, err = module.run_command(command) + if rc != 0 and 'no such ' not in err: + module.fail_json(msg="Unable to gather info for %s: %s" % (container, err)) + if rc == 0 and out: + json_out = json.loads(out) + if json_out: + inspection += json_out + stderrs.append(err) + return inspection, "", "\n".join(stderrs) + + +def main(): + module = AnsibleModule( + argument_spec={ + 'executable': {'type': 'str', 'default': 'podman'}, + 'name': {'type': 'list', 'elements': 'str'}, + }, + supports_check_mode=True, + ) + + name = module.params['name'] + executable = module.get_bin_path(module.params['executable'], required=True) + + inspect_results, out, err = get_containers_facts(module, executable, name) + + results = { + "changed": False, + "containers": inspect_results, + "stderr": err + } + + module.exit_json(**results) + + +if __name__ == '__main__': + main() diff --git a/test/integration/targets/podman_container_info/aliases b/test/integration/targets/podman_container_info/aliases new file mode 100644 index 00000000000..2b3832dde58 --- /dev/null +++ b/test/integration/targets/podman_container_info/aliases @@ -0,0 +1,4 @@ +shippable/posix/group2 +skip/osx +skip/freebsd +destructive diff --git a/test/integration/targets/podman_container_info/meta/main.yml b/test/integration/targets/podman_container_info/meta/main.yml new file mode 100644 index 00000000000..f5140043a87 --- /dev/null +++ b/test/integration/targets/podman_container_info/meta/main.yml @@ -0,0 +1,2 @@ +dependencies: + - setup_podman diff --git a/test/integration/targets/podman_container_info/tasks/main.yml b/test/integration/targets/podman_container_info/tasks/main.yml new file mode 100644 index 00000000000..c361faeaf61 --- /dev/null +++ b/test/integration/targets/podman_container_info/tasks/main.yml @@ -0,0 +1,91 @@ +- name: Test podman_container_info + when: + - ansible_facts.virtualization_type != 'docker' + - ansible_facts.distribution == 'RedHat' + block: + + - name: Generate random value for container name + set_fact: + container_name: "{{ 'ansible-test-podman-%0x' % ((2**32) | random) }}" + + - name: Make sure container doesn't exist + command: podman container rm -f {{ container_name }} + ignore_errors: true + + - name: Get missing container info + podman_container_info: + name: "{{ container_name }}" + register: nonexist + + - name: Check results of missing container info + assert: + that: + - "'containers' in nonexist" + - nonexist is succeeded + - nonexist.containers == [] + + - name: Get missing multiple container info + podman_container_info: + name: + - "{{ container_name }}" + - neverexist + - whatever + register: nonexist2 + ignore_errors: true + + - name: Check results of missing multiple container info + assert: + that: + - "'containers' in nonexist2" + - nonexist2 is succeeded + - nonexist2.containers == [] + + - name: Make sure container exists + command: podman container run -d --name {{ container_name }} alpine sleep 15m + + - name: Get existing container info + podman_container_info: + name: "{{ container_name }}" + register: existing_container + + - name: Get mixed existing and non-existing container info + podman_container_info: + name: + - "{{ container_name }}" + - whatever + register: mixed_existing_container + + - name: Get all containers info + podman_container_info: + register: all_containers + + - name: Dump podman container inspect result + debug: var=existing_container + + - name: Comparison with 'podman container inspect' + command: podman container inspect "{{ container_name }}" + register: podman_inspect + + - name: Convert podman inspect output to JSON + set_fact: + podman_inspect_result: "{{ podman_inspect.stdout | from_json }}" + + - name: Cleanup + command: podman container rm -f {{ container_name }} + + - name: Make checks + assert: + that: + - "'containers' in existing_container" + - 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