Support for cache_from parameter in docker_image module (#49787)

* Support for cache_from parameter in docker_image module

Fixes #21704

Signed-off-by: Akshay Gaikwad <akgaikwad001@gmail.com>

* Minimum docker version check for cache_from option

Signed-off-by: Akshay Gaikwad <akgaikwad001@gmail.com>

* Add changelog fragment

Signed-off-by: Akshay Gaikwad <akgaikwad001@gmail.com>

* cache_from fix when docker-py is older

Signed-off-by: Akshay Gaikwad <akgaikwad001@gmail.com>
pull/49962/head
Akshay Gaikwad 6 years ago committed by Matt Martz
parent 6ff7797eaa
commit 1e0363ec7d

@ -0,0 +1,2 @@
minor_changes:
- "docker_image - Add ``cache_from`` option."

@ -30,6 +30,12 @@ options:
- Use with state C(present) to archive an image to a .tar file.
required: false
version_added: "2.1"
cache_from:
description:
- List of image names to consider as cache source.
required: false
type: list
version_added: "2.8"
load_path:
description:
- Use with state C(present) to load an image from a .tar file.
@ -238,6 +244,15 @@ EXAMPLES = '''
buildargs:
log_volume: /var/log/myapp
listen_port: 8080
- name: Build image using cache source
docker_image:
name: myimage:latest
path: /path/to/build/dir
# Use as cache source for building myimage
cache_from:
- nginx:latest
- alpine:3.8
'''
RETURN = '''
@ -278,6 +293,7 @@ class ImageManager(DockerBaseClass):
self.check_mode = self.client.check_mode
self.archive_path = parameters.get('archive_path')
self.cache_from = parameters.get('cache_from')
self.container_limits = parameters.get('container_limits')
self.dockerfile = parameters.get('dockerfile')
self.force = parameters.get('force')
@ -521,7 +537,7 @@ class ImageManager(DockerBaseClass):
pull=self.pull,
forcerm=self.rm,
dockerfile=self.dockerfile,
decode=True
decode=True,
)
if not HAS_DOCKER_PY_3:
params['stream'] = True
@ -534,6 +550,8 @@ class ImageManager(DockerBaseClass):
for key, value in self.buildargs.items():
self.buildargs[key] = to_native(value)
params['buildargs'] = self.buildargs
if self.cache_from:
params['cache_from'] = self.cache_from
for line in self.client.build(**params):
# line = json.loads(line)
@ -583,6 +601,7 @@ class ImageManager(DockerBaseClass):
def main():
argument_spec = dict(
archive_path=dict(type='path'),
cache_from=dict(type='list', elements='str'),
container_limits=dict(type='dict', options=dict(
memory=dict(type='int'),
memswap=dict(type='int'),
@ -606,10 +625,16 @@ def main():
buildargs=dict(type='dict', default=None),
)
option_minimal_versions = dict(
cache_from=dict(docker_py_version='2.1.0', docker_api_version='1.25'),
)
client = AnsibleDockerClient(
argument_spec=argument_spec,
supports_check_mode=True,
min_docker_version='1.8.0',
min_docker_api_version='1.20',
option_minimal_versions=option_minimal_versions,
)
results = dict(

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