def layers(self):
"""
similar as parent images, except that it uses /history API endpoint
:return:
"""
# sample output:
# {
# "Created": 1457116802,
# "Id": "sha256:507cb13a216097710f0d234668bf64a4c92949c573ba15eba13d05aad392fe04",
# "Size": 204692029,
# "Tags": [
# "docker.io/fedora:latest"
# ],
# "Comment": "",
# "CreatedBy": "/bin/sh -c #(nop) ADD file:bcb5e5c... in /"
# }
try:
response = self.d.history(self.image_id)
except docker.errors.NotFound:
raise NotAvailableAnymore()
layers = []
for l in response:
layer_id = l["Id"]
if layer_id == "<missing>":
layers.append(DockerImage(l, self.docker_backend))
else:
layers.append(self.docker_backend.get_image_by_id(layer_id))
return layers
def net(self):
"""
get ACTIVE port mappings of a container
:return: dict:
{
"host_port": "container_port"
}
"""
try:
return NetData(self.inspect(cached=True).response)
except docker.errors.NotFound:
raise NotAvailableAnymore()
def metadata_get(self, path, cached=True):
"""
get metadata from inspect, specified by path
:param path: list of str
:param cached: bool, use cached version of inspect if available
"""
try:
value = graceful_chain_get(self.inspect(cached=cached).response, *path)
except docker.errors.NotFound:
logger.warning("object %s is not available anymore", self)
raise NotAvailableAnymore()
return value
def display_inspect(self):
try:
return json.dumps(self.inspect().response, indent=2)
except docker.errors.NotFound:
raise NotAvailableAnymore()
