def list_deployments(self, namespace=None):
"""
List all available deployments.
:param namespace: str, if not specified list deployments for all namespaces
:return: collection of instances of :class:`conu.backend.k8s.deployment.Deployment`
"""
if namespace:
return [
Deployment(
name=d.metadata.name,
namespace=d.metadata.namespace,
labels=d.metadata.labels,
selector=d.spec.selector,
image_metadata=ImageMetadata(
name=d.spec.template.spec.containers[0].name.split(
"-", 1)[0]))
for d in self.apps_api.list_namespaced_deployment(
namespace, watch=False).items
]
return [
Deployment(name=d.metadata.name,
namespace=d.metadata.namespace,
labels=d.metadata.labels,
selector=d.spec.selector,
image_metadata=ImageMetadata(
name=d.spec.template.spec.containers[0].name.split(
"-", 1)[0]))
for d in self.apps_api.list_deployment_for_all_namespaces(
watch=False).items
]
def buildah_image_inspect_to_metadata(inspect_data):
"""
process data from `buildah inspect -t image` and return ImageMetadata
:param inspect_data: dict, metadata from `buildah inspect -t image`
:return: instance of ImageMetadata
"""
im = ImageMetadata()
im.name = graceful_get(inspect_data, "FromImage")
im.identifier = graceful_get(inspect_data, "FromImageID")
buildah_common_inspect_to_metadata(im, inspect_data)
return im
def __init__(self, repository, tag="latest", identifier=None,
pull_policy=DockerImagePullPolicy.IF_NOT_PRESENT):
"""
:param repository: str, image name, examples: "fedora", "registry.fedoraproject.org/fedora",
"tomastomecek/sen", "docker.io/tomastomecek/sen"
:param tag: str, tag of the image, when not specified, "latest" is implied
:param identifier: str, unique identifier for this image
:param pull_policy: enum, strategy to apply for pulling the image
"""
super(DockerImage, self).__init__(repository, tag=tag)
if not isinstance(tag, (six.string_types, None.__class__)):
raise ConuException("'tag' is not a string type")
if not isinstance(pull_policy, DockerImagePullPolicy):
raise ConuException("'pull_policy' is not an instance of DockerImagePullPolicy")
if identifier:
self._id = identifier
self.d = get_client()
self.pull_policy = pull_policy
self._inspect_data = None
self.metadata = ImageMetadata()
self.transport = SkopeoTransport.DOCKER if pull_policy == DockerImagePullPolicy.NEVER \
else SkopeoTransport.DOCKER_DAEMON
self.path = None
if self.pull_policy == DockerImagePullPolicy.ALWAYS:
logger.debug("pull policy set to 'always', pulling the image")
self.pull()
elif self.pull_policy == DockerImagePullPolicy.IF_NOT_PRESENT and not self.is_present():
logger.debug("pull policy set to 'if_not_present' and image is not present, "
"pulling the image")
self.pull()
elif self.pull_policy == DockerImagePullPolicy.NEVER:
logger.debug("pull policy set to 'never'")
def get_metadata(self):
"""
Provide metadata about this image.
:return: ImageMetadata, Image metadata instance
"""
if self._metadata is None:
self._metadata = ImageMetadata()
inspect_to_metadata(self._metadata, self.inspect(refresh=True))
return self._metadata
