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community.general/lib/ansible/modules/cloud/podman/podman_image.py
Sam Doran c2be342ce1 Add podman_image and podman_image_info modules (#55103) 
* Add podman_image and podman_image_info modules

* Add integration test for podman_image_info

* Change parameter names per feedback

* Add integration tests for podman_image
2019-04-10 18:28:09 -05:00

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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2018 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_image
author:
- Sam Doran (@samdoran)
version_added: '2.8'
short_description: Pull images for use by podman
notes: []
description:
- Build, pull, or push images using Podman.
options:
name:
description:
- Name of the image to pull, push, or delete. It may contain a tag using the format C(image:tag).
required: True
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
ca_cert_dir:
description:
- Path to directory containing TLS certificates and keys to use
type: 'path'
tag:
description:
- Tag of the image to pull, push, or delete.
default: "latest"
pull:
description: Whether or not to pull the image.
default: True
push:
description: Whether or not to push an image.
default: False
path:
description: Path to directory containing the build file.
force:
description:
- Whether or not to force push or pull an image. When building, force the build even if the image already exists.
state:
description:
- Whether an image should be present, absent, or built.
default: "present"
choices:
- present
- absent
- build
validate_certs:
description:
- Require HTTPS and validate certificates when pulling or pushing. Also used during build if a pull or push is necessary.
default: True
aliases:
- tlsverify
- tls_verify
password:
description:
- Password to use when authenticating to remote regstries.
type: str
username:
description:
- username to use when authenticating to remote regstries.
type: str
auth_file:
description:
- Path to file containing authorization credentials to the remote registry
aliases:
- authfile
build:
description: Arguments that control image build.
aliases:
- build_args
- buildargs
suboptions:
annotation:
description:
- Dictionory of key=value pairs to add to the image. Only works with OCI images. Ignored for Docker containers.
type: str
force_rm:
description:
- Always remove intermediate containers after a build, even if the build is unsuccessful.
type: bool
default: False
format:
description:
- Format of the built image.
choices:
- docker
- oci
default: "oci"
cache:
description:
- Whether or not to use cached layers when building an image
type: bool
default: True
rm:
description: Remove intermediate containers after a successful build
type: bool
default: True
push_args:
description: Arguments that control pushing images.
suboptions:
compress:
description:
- Compress tarball image layers when pushing to a directory using the 'dir' transport.
type: bool
format:
description:
- Manifest type to use when pushing an image using the 'dir' transport (default is manifest type of source)
choices:
- oci
- v2s1
- v2s2
remove_signatures:
description: Discard any pre-existing signatures in the image
type: bool
sign_by:
description:
- Path to a key file to use to sign the image.
dest:
description: Path or URL where image will be pushed.
transport:
description:
- Transport to use when pushing in image. If no transport is set, will attempt to push to a remote registry.
choices:
- dir
- docker-archive
- docker-daemon
- oci-archive
- ostree
"""
EXAMPLES = """
- name: Pull an image
podman_image:
name: quay.io/bitnami/wildfly
- name: Remove an image
podman_image:
name: quay.io/bitnami/wildfly
state: absent
- name: Pull a specific version of an image
podman_image:
name: redis
tag: 4
- name: Build a basic OCI image
podman_image:
name: nginx
path: /path/to/build/dir
- name: Build a basic OCI image with advanced parameters
podman_image:
name: nginx
path: /path/to/build/dir
build:
cache: no
force_rm: yes
format: oci
annotation:
app: nginx
function: proxy
info: Load balancer for my cool app
- name: Build a Docker formatted image
podman_image:
name: nginx
path: /path/to/build/dir
build:
format: docker
- name: Build and push an image using existing credentials
podman_image:
name: nginx
path: /path/to/build/dir
push: yes
push_args:
dest: quay.io/acme
- name: Build and push an image using an auth file
podman_image:
name: nginx
push: yes
auth_file: /etc/containers/auth.json
push_args:
dest: quay.io/acme
- name: Build and push an image using username and password
podman_image:
name: nginx
push: yes
username: bugs
password: "{{ vault_registry_password }}"
push_args:
dest: quay.io/acme
- name: Build and push an image to mulitple registries
podman_image:
name: "{{ item }}"
path: /path/to/build/dir
push: yes
auth_file: /etc/containers/auth.json
loop:
- quay.io/acme/nginx
- docker.io/acme/nginx
- name: Build and push an image to mulitple registries with separate parameters
podman_image:
name: "{{ item.name }}"
tag: "{{ item.tag }}"
path: /path/to/build/dir
push: yes
auth_file: /etc/containers/auth.json
push_args:
dest: "{{ item.dest }}"
loop:
- name: nginx
tag: 4
dest: docker.io/acme
- name: nginx
tag: 3
dest: docker.io/acme
"""
RETURN = """
image:
description:
- Image inspection results for the image that was pulled, pushed, or built.
returned: success
type: dict
sample: [
{
"Annotations": {},
"Architecture": "amd64",
"Author": "",
"Comment": "from Bitnami with love",
"ContainerConfig": {
"Cmd": [
"/run.sh"
],
"Entrypoint": [
"/app-entrypoint.sh"
],
"Env": [
"PATH=/opt/bitnami/java/bin:/opt/bitnami/wildfly/bin:/opt/bitnami/nami/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"IMAGE_OS=debian-9",
"NAMI_VERSION=1.0.0-1",
"GPG_KEY_SERVERS_LIST=ha.pool.sks-keyservers.net",
"TINI_VERSION=v0.13.2",
"TINI_GPG_KEY=595E85A6B1B4779EA4DAAEC70B588DFF0527A9B7",
"GOSU_VERSION=1.10",
"GOSU_GPG_KEY=B42F6819007F00F88E364FD4036A9C25BF357DD4",
"BITNAMI_IMAGE_VERSION=16.0.0-debian-9-r27",
"BITNAMI_PKG_CHMOD=-R g+rwX",
"BITNAMI_PKG_EXTRA_DIRS=/home/wildfly",
"HOME=/",
"BITNAMI_APP_NAME=wildfly",
"NAMI_PREFIX=/.nami",
"WILDFLY_HOME=/home/wildfly",
"WILDFLY_JAVA_HOME=",
"WILDFLY_JAVA_OPTS=",
"WILDFLY_MANAGEMENT_HTTP_PORT_NUMBER=9990",
"WILDFLY_PASSWORD=bitnami",
"WILDFLY_PUBLIC_CONSOLE=true",
"WILDFLY_SERVER_AJP_PORT_NUMBER=8009",
"WILDFLY_SERVER_HTTP_PORT_NUMBER=8080",
"WILDFLY_SERVER_INTERFACE=0.0.0.0",
"WILDFLY_USERNAME=user",
"WILDFLY_WILDFLY_HOME=/home/wildfly",
"WILDFLY_WILDFLY_OPTS=-Dwildfly.as.deployment.ondemand=false"
],
"ExposedPorts": {
"8080/tcp": {},
"9990/tcp": {}
},
"Labels": {
"maintainer": "Bitnami <containers@bitnami.com>"
},
"User": "1001"
},
"Created": "2019-04-10T05:48:03.553887623Z",
"Digest": "sha256:5a8ab28e314c2222de3feaf6dac94a0436a37fc08979d2722c99d2bef2619a9b",
"GraphDriver": {
"Data": {
"LowerDir": "/var/lib/containers/storage/overlay/142c1beadf1bb09fbd929465ec98c9dca3256638220450efb4214727d0d0680e/diff:/var/lib/containers/s",
"MergedDir": "/var/lib/containers/storage/overlay/9aa10191f5bddb59e28508e721fdeb43505e5b395845fa99723ed787878dbfea/merged",
"UpperDir": "/var/lib/containers/storage/overlay/9aa10191f5bddb59e28508e721fdeb43505e5b395845fa99723ed787878dbfea/diff",
"WorkDir": "/var/lib/containers/storage/overlay/9aa10191f5bddb59e28508e721fdeb43505e5b395845fa99723ed787878dbfea/work"
},
"Name": "overlay"
},
"History": [
{
"comment": "from Bitnami with love",
"created": "2019-04-09T22:27:40.659377677Z"
},
{
"created": "2019-04-09T22:38:53.86336555Z",
"created_by": "/bin/sh -c #(nop) LABEL maintainer=Bitnami <containers@bitnami.com>",
"empty_layer": true
},
{
"created": "2019-04-09T22:38:54.022778765Z",
"created_by": "/bin/sh -c #(nop) ENV IMAGE_OS=debian-9",
"empty_layer": true
},
],
"Id": "ace34da54e4af2145e1ad277005adb235a214e4dfe1114c2db9ab460b840f785",
"Labels": {
"maintainer": "Bitnami <containers@bitnami.com>"
},
"ManifestType": "application/vnd.docker.distribution.manifest.v1+prettyjws",
"Os": "linux",
"Parent": "",
"RepoDigests": [
"quay.io/bitnami/wildfly@sha256:5a8ab28e314c2222de3feaf6dac94a0436a37fc08979d2722c99d2bef2619a9b"
],
"RepoTags": [
"quay.io/bitnami/wildfly:latest"
],
"RootFS": {
"Layers": [
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
""
],
"Type": "layers"
},
"Size": 466180019,
"User": "1001",
"Version": "18.09.3",
"VirtualSize": 466180019
}
]
"""
import json
import re
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.podman.common import run_podman_command
class PodmanImageManager(object):
def __init__(self, module, results):
super(PodmanImageManager, self).__init__()
self.module = module
self.results = results
self.name = self.module.params.get('name')
self.executable = self.module.get_bin_path(module.params.get('executable'), required=True)
self.tag = self.module.params.get('tag')
self.pull = self.module.params.get('pull')
self.push = self.module.params.get('push')
self.path = self.module.params.get('path')
self.force = self.module.params.get('force')
self.state = self.module.params.get('state')
self.validate_certs = self.module.params.get('validate_certs')
self.auth_file = self.module.params.get('auth_file')
self.username = self.module.params.get('username')
self.password = self.module.params.get('password')
self.ca_cert_dir = self.module.params.get('ca_cert_dir')
self.build = self.module.params.get('build')
self.push_args = self.module.params.get('push_args')
repo, repo_tag = parse_repository_tag(self.name)
if repo_tag:
self.name = repo
self.tag = repo_tag
self.image_name = '{name}:{tag}'.format(name=self.name, tag=self.tag)
if self.state in ['present', 'build']:
self.present()
if self.state in ['absent']:
self.absent()
def _run(self, args, expected_rc=0, ignore_errors=False):
return run_podman_command(
module=self.module,
executable=self.executable,
args=args,
expected_rc=expected_rc,
ignore_errors=ignore_errors)
def _get_id_from_output(self, lines, startswith=None, contains=None, split_on=' ', maxsplit=1):
layer_ids = []
for line in lines.splitlines():
if startswith and line.startswith(startswith) or contains and contains in line:
splitline = line.rsplit(split_on, maxsplit)
layer_ids.append(splitline[1])
return(layer_ids[-1])
def present(self):
image = self.find_image()
if not image or self.force:
if self.path:
# Build the image
self.results['actions'].append('Built image {image_name} from {path}'.format(image_name=self.image_name, path=self.path))
self.results['changed'] = True
if not self.module.check_mode:
self.results['image'] = self.build_image()
else:
# Pull the image
self.results['actions'].append('Pulled image {image_name}'.format(image_name=self.image_name))
self.results['changed'] = True
if not self.module.check_mode:
self.results['image'] = self.pull_image()
if self.push:
# Push the image
if '/' in self.image_name:
push_format_string = 'Pushed image {image_name}'
else:
push_format_string = 'Pushed image {image_name} to {dest}'
self.results['actions'].append(push_format_string.format(image_name=self.image_name, dest=self.push_args['dest']))
self.results['changed'] = True
if not self.module.check_mode:
self.results['image'] = self.push_image()
def absent(self):
image = self.find_image()
if image:
self.results['actions'].append('Removed image {name}'.format(name=self.name))
self.results['changed'] = True
self.results['image']['state'] = 'Deleted'
if not self.module.check_mode:
self.remove_image()
def find_image(self, image_name=None):
if image_name is None:
image_name = self.image_name
args = ['image', 'ls', image_name, '--format', 'json']
rc, images, err = self._run(args, ignore_errors=True)
if len(images) > 0:
return json.loads(images)
else:
return None
def inspect_image(self, image_name=None):
if image_name is None:
image_name = self.image_name
args = ['inspect', image_name, '--format', 'json']
rc, image_data, err = self._run(args)
if len(image_data) > 0:
return json.loads(image_data)
else:
return None
def pull_image(self, image_name=None):
if image_name is None:
image_name = self.image_name
args = ['pull', image_name, '-q']
if self.auth_file:
args.extend(['--authfile', self.auth_file])
if self.validate_certs:
args.append('--tls-verify')
if self.ca_cert_dir:
args.extend(['--cert-dir', self.ca_cert_dir])
rc, out, err = self._run(args, ignore_errors=True)
if rc != 0:
self.module.fail_json(msg='Failed to pull image {image_name}'.format(image_name=image_name))
return self.inspect_image(out.strip())
def build_image(self):
args = ['build', '-q']
args.extend(['-t', self.image_name])
if self.validate_certs:
args.append('--tls-verify')
annotation = self.build.get('annotation')
if annotation:
for k, v in annotation.items():
args.extend(['--annotation', '{k}={v}'.format(k=k, v=v)])
if self.ca_cert_dir:
args.extend(['--cert-dir', self.ca_cert_dir])
if self.build.get('force_rm'):
args.append('--force-rm')
image_format = self.build.get('format')
if image_format:
args.extend(['--format', image_format])
if not self.build.get('cache'):
args.append('--no-cache')
if self.build.get('rm'):
args.append('--rm')
volume = self.build.get('volume')
if volume:
for v in volume:
args.extend(['--volume', v])
if self.auth_file:
args.extend(['--authfile', self.auth_file])
if self.username and self.password:
cred_string = '{user}:{password}'.format(user=self.username, password=self.password)
args.extend(['--creds', cred_string])
args.append(self.path)
rc, out, err = self._run(args, ignore_errors=True)
if rc != 0:
self.module.fail_json(msg="Failed to build image {image}: {out} {err}".format(image=self.image_name, out=out, err=err))
last_id = self._get_id_from_output(out, startswith='-->')
return self.inspect_image(last_id)
def push_image(self):
args = ['push']
if self.validate_certs:
args.append('--tls-verify')
if self.ca_cert_dir:
args.extend(['--cert-dir', self.ca_cert_dir])
if self.username and self.password:
cred_string = '{user}:{password}'.format(user=self.username, password=self.password)
args.extend(['--creds', cred_string])
if self.auth_file:
args.extend(['--authfile', self.auth_file])
if self.push_args.get('compress'):
args.append('--compress')
push_format = self.push_args.get('format')
if push_format:
args.extend(['--format', push_format])
if self.push_args.get('remove_signatures'):
args.append('--remove_signatures')
sign_by_key = self.push_args.get('sign_by')
if sign_by_key:
args.extend(['--sign-by', sign_by_key])
args.append(self.image_name)
# Build the destination argument
dest = self.push_args.get('dest')
dest_format_string = '{dest}/{image_name}'
regexp = re.compile(r'/{name}(:{tag})?'.format(name=self.name, tag=self.tag))
if not dest:
if '/' not in self.name:
self.module.fail_json(msg="'push_args['dest']' is required when pushing images that do not have the remote registry in the image name")
# If the push destinaton contains the image name and/or the tag
# remove it and warn since it's not needed.
elif regexp.search(dest):
dest = regexp.sub('', dest)
self.module.warn("Image name and tag are automatically added to push_args['dest']. Destination changed to {dest}".format(dest=dest))
if dest and dest.endswith('/'):
dest = dest[:-1]
transport = self.push_args.get('transport')
if transport:
if not dest:
self.module.fail_json("'push_args['transport'] requires 'push_args['dest'] but it was not provided.")
if transport == 'docker':
dest_format_string = '{transport}://{dest}'
elif transport == 'ostree':
dest_format_string = '{transport}:{name}@{dest}'
else:
dest_format_string = '{transport}:{dest}'
dest_string = dest_format_string.format(transport=transport, name=self.name, dest=dest, image_name=self.image_name,)
# Only append the destination argument if the image name is not a URL
if '/' not in self.name:
args.append(dest_string)
rc, out, err = self._run(args, ignore_errors=True)
if rc != 0:
self.module.fail_json(msg="Failed to push image {image_name}: {err}".format(image_name=self.image_name, err=err))
last_id = self._get_id_from_output(
out + err, contains=':', split_on=':')
return self.inspect_image(last_id)
def remove_image(self, image_name=None):
if image_name is None:
image_name = self.image_name
args = ['rmi', image_name]
if self.force:
args.append('--force')
rc, out, err = self._run(args, ignore_errors=True)
if rc != 0:
self.module.fail_json(msg='Failed to remove image {image_name}. {err}'.format(image_name=image_name, err=err))
return out
def parse_repository_tag(repo_name):
parts = repo_name.rsplit('@', 1)
if len(parts) == 2:
return tuple(parts)
parts = repo_name.rsplit(':', 1)
if len(parts) == 2 and '/' not in parts[1]:
return tuple(parts)
return repo_name, None
def main():
module = AnsibleModule(
argument_spec=dict(
name=dict(type='str', required=True),
tag=dict(type='str', default='latest'),
pull=dict(type='bool', default=True),
push=dict(type='bool', default=False),
path=dict(type='str'),
force=dict(type='bool', default=False),
state=dict(type='str', default='present', choices=['absent', 'present', 'build']),
validate_certs=dict(type='bool', default=True, aliases=['tlsverify', 'tls_verify']),
executable=dict(type='str', default='podman'),
auth_file=dict(type='path', aliases=['authfile']),
username=dict(type='str'),
password=dict(type='str', no_log=True),
ca_cert_dir=dict(type='path'),
build=dict(
type='dict',
aliases=['build_args', 'buildargs'],
default={},
options=dict(
annotation=dict(type='dict'),
force_rm=dict(type='bool'),
format=dict(
type='str',
choices=['oci', 'docker'],
default='oci'
),
cache=dict(type='bool', default=True),
rm=dict(type='bool', default=True),
volume=dict(type='list'),
),
),
push_args=dict(
type='dict',
default={},
options=dict(
compress=dict(type='bool'),
format=dict(type='str', choices=['oci', 'v2s1', 'v2s2']),
remove_signatures=dict(type='bool'),
sign_by=dict(type='str'),
dest=dict(type='str', aliases=['destination'],),
transport=dict(
type='str',
choices=[
'dir',
'docker-archive',
'docker-daemon',
'oci-archive',
'ostree',
]
),
),
),
),
supports_check_mode=True,
required_together=(
['username', 'password'],
),
mutually_exclusive=(
['authfile', 'username'],
['authfile', 'password'],
),
)
results = dict(
changed=False,
actions=[],
image={},
)
PodmanImageManager(module, results)
module.exit_json(**results)
if __name__ == '__main__':
main()
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