def __init__(self,
name,
orchestrator=None,
host=None,
endpoints=None,
tls=False):
if not name:
raise Exception("Name not provided")
self.name = name
self.orchestrator = orchestrator
if not endpoints:
default_endpoint = "docker" if (
not orchestrator or orchestrator == "swarm") else orchestrator
self.endpoints = {
default_endpoint: {
"Host": get_context_host(host, tls),
"SkipTLSVerify": not tls
}
}
else:
for k, v in endpoints.items():
ekeys = v.keys()
for param in ["Host", "SkipTLSVerify"]:
if param not in ekeys:
raise ContextException(
"Missing parameter {} from endpoint {}".format(
param, k))
self.endpoints = endpoints
self.tls_cfg = {}
self.meta_path = "IN MEMORY"
self.tls_path = "IN MEMORY"
def _load_meta(cls, name):
meta_file = get_meta_file(name)
if not os.path.isfile(meta_file):
return None
metadata = {}
try:
with open(meta_file) as f:
metadata = json.load(f)
except (OSError, KeyError, ValueError) as e:
# unknown format
raise Exception("""Detected corrupted meta file for
context {} : {}""".format(name, e))
# for docker endpoints, set defaults for
# Host and SkipTLSVerify fields
for k, v in metadata["Endpoints"].items():
if k != "docker":
continue
metadata["Endpoints"][k]["Host"] = v.get(
"Host", get_context_host(None, False))
metadata["Endpoints"][k]["SkipTLSVerify"] = bool(
v.get("SkipTLSVerify", True))
return metadata
def __init__(self,
name,
orchestrator=None,
host=None,
endpoints=None,
tls=False):
if not name:
raise Exception("Name not provided")
self.name = name
self.context_type = None
self.orchestrator = orchestrator
self.endpoints = {}
self.tls_cfg = {}
self.meta_path = "IN MEMORY"
self.tls_path = "IN MEMORY"
if not endpoints:
# set default docker endpoint if no endpoint is set
default_endpoint = "docker" if (
not orchestrator or orchestrator == "swarm") else orchestrator
self.endpoints = {
default_endpoint: {
"Host": get_context_host(host, tls),
"SkipTLSVerify": not tls
}
}
return
# check docker endpoints
for k, v in endpoints.items():
if not isinstance(v, dict):
# unknown format
raise ContextException("""Unknown endpoint format for
context {}: {}""".format(name, v))
self.endpoints[k] = v
if k != "docker":
continue
self.endpoints[k]["Host"] = v.get("Host",
get_context_host(host, tls))
self.endpoints[k]["SkipTLSVerify"] = bool(
v.get("SkipTLSVerify", not tls))
def set_endpoint(
self, name="docker", host=None, tls_cfg=None,
skip_tls_verify=False, def_namespace=None):
self.endpoints[name] = {
"Host": get_context_host(host),
"SkipTLSVerify": skip_tls_verify
}
if def_namespace:
self.endpoints[name]["DefaultNamespace"] = def_namespace
if tls_cfg:
self.tls_cfg[name] = tls_cfg
