def save(self):
meta_dir = get_meta_dir(self.name)
if not os.path.isdir(meta_dir):
os.makedirs(meta_dir)
with open(get_meta_file(self.name), "w") as f:
f.write(json.dumps(self.Metadata))
tls_dir = get_tls_dir(self.name)
for endpoint, tls in self.tls_cfg.items():
if not os.path.isdir(os.path.join(tls_dir, endpoint)):
os.makedirs(os.path.join(tls_dir, endpoint))
ca_file = tls.ca_cert
if ca_file:
copyfile(
ca_file,
os.path.join(tls_dir, endpoint, os.path.basename(ca_file)))
if tls.cert:
cert_file, key_file = tls.cert
copyfile(
cert_file,
os.path.join(tls_dir, endpoint,
os.path.basename(cert_file)))
copyfile(
key_file,
os.path.join(tls_dir, endpoint,
os.path.basename(key_file)))
self.meta_path = get_meta_dir(self.name)
self.tls_path = get_tls_dir(self.name)
def contexts(cls):
"""Context list.
Returns:
(Context): List of context objects.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
"""
names = []
for dirname, dirnames, fnames in os.walk(get_meta_dir()):
for filename in fnames + dirnames:
if filename == METAFILE:
try:
data = json.load(
open(os.path.join(dirname, filename), "r"))
names.append(data["Name"])
except Exception as e:
raise errors.ContextException(
"Failed to load metafile {}: {}".format(
filename, e))
contexts = [cls.DEFAULT_CONTEXT]
for name in names:
contexts.append(Context.load_context(name))
return contexts
def load_context(cls, name):
name, orchestrator, endpoints = Context._load_meta(name)
if name:
instance = cls(name, orchestrator, endpoints=endpoints)
instance._load_certs()
instance.meta_path = get_meta_dir(name)
return instance
return None
def load_context(cls, name):
meta = Context._load_meta(name)
if meta:
instance = cls(meta["Name"],
orchestrator=meta["Metadata"].get(
"StackOrchestrator", None),
endpoints=meta.get("Endpoints", None))
instance.context_type = meta["Metadata"].get("Type", None)
instance._load_certs()
instance.meta_path = get_meta_dir(name)
return instance
return None