def _run_load_metadata(self, container_id):
"""Load container metadata from container JSON payload"""
# get container metadata unless we are dealing with a simple directory
# tree in which case we don't have metadata
if Config.conf['location']:
container_dir = ""
container_json = []
else:
container_structure = \
ContainerStructure(self.localrepo, container_id)
(container_dir, container_json) = \
container_structure.get_container_attr()
if not container_dir:
return(None, None)
# load metadata from container
if not self.opt["nometa"]:
if not self.opt["user"]:
self.opt["user"] = \
container_structure.get_container_meta(
"User", "", container_json)
if not self.opt["cwd"]:
self.opt["cwd"] = \
container_structure.get_container_meta(
"WorkingDir", "", container_json)
if not self.opt["hostname"]:
self.opt["hostname"] = \
container_structure.get_container_meta(
"Hostname", "", container_json)
if not self.opt["domain"]:
self.opt["domain"] = \
container_structure.get_container_meta(
"Domainname", "", container_json)
if self.opt["entryp"] is False:
self.opt["entryp"] = \
container_structure.get_container_meta(
"Entrypoint", [], container_json)
if not self.opt["cmd"]:
self.opt["cmd"] = \
container_structure.get_container_meta(
"Cmd", [], container_json)
elif not self.opt["entryp"]:
self.opt["entryp"] = []
else:
if isinstance(self.opt["entryp"], str):
self.opt["entryp"] = \
self.opt["entryp"].strip().split(' ')
self.opt["Volumes"] = \
container_structure.get_container_meta(
"Volumes", [], container_json)
self.opt["portsexp"].extend(
container_structure.get_container_meta(
"ExposedPorts", [], container_json))
self.opt["env"].extendif(
container_structure.get_container_meta(
"Env", [], container_json))
return(container_dir, container_json)
def test_03_get_container_meta(self):
"""Test03 ContainerStructure().get_container_meta()."""
container_json = {
"architecture": "amd64",
"author": "https://github.com/CentOS/sig-cloud-instance-images",
"config": {
"AttachStderr":
False,
"AttachStdin":
False,
"AttachStdout":
False,
"Cmd": ["/bin/bash"],
"Domainname":
"",
"Entrypoint":
None,
"Env": [
"PATH=\
/usr/local/sbin:\
/usr/local/bin:/usr/sbin:\
/usr/bin:/sbin:\
/bin"
],
"Hostname":
"9aac06993d69",
"Image":
"sha256:4f64745dd34556af8f644a7886fcf" +
"cb11c059f64e1b0a753cb41188656ec8b33",
"Labels": {
"build-date": "20161102",
"license": "GPLv2",
"name": "CentOS Base Image",
"vendor": "CentOS"
},
"OnBuild":
None,
"OpenStdin":
False,
"StdinOnce":
False,
"Tty":
False,
"User":
"",
"Volumes":
None,
"WorkingDir":
""
},
}
prex = ContainerStructure(self.local)
status = prex.get_container_meta("Cmd", "", container_json)
self.assertEqual(status, "/bin/bash")
prex = ContainerStructure(self.local)
status = prex.get_container_meta("XXX", "", container_json)
self.assertEqual(status, "")
prex = ContainerStructure(self.local)
status = prex.get_container_meta("Entrypoint", "BBB", container_json)
self.assertEqual(status, "BBB")