grpc:
interface: grpc
schema: https://raw.githubusercontent.com/canonical/operator-schemas/master/grpc.yaml
versions: [v1]
Indeed we are using a remote reference for the schema, this is a blocker for deploying envoy in airgapped.
The same applies for the grpc-web
relation.
To fix this, we can define the schema in the metadata.yaml and have the url set in the __schema_source
attribute for reference.
2024-05-24 07:19:00 ERROR juju-log Uncaught exception while in charm code:
Traceback (most recent call last):
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/urllib3/connection.py", line 203, in _new_conn
sock = connection.create_connection(
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/urllib3/util/connection.py", line 60, in create_connection
for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
File "/usr/lib/python3.8/socket.py", line 918, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -3] Temporary failure in name resolution
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/urllib3/connectionpool.py", line 790, in urlopen
response = self._make_request(
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/urllib3/connectionpool.py", line 491, in _make_request
raise new_e
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/urllib3/connectionpool.py", line 467, in _make_request
self._validate_conn(conn)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/urllib3/connectionpool.py", line 1092, in _validate_conn
conn.connect()
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/urllib3/connection.py", line 611, in connect
self.sock = sock = self._new_conn()
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/urllib3/connection.py", line 210, in _new_conn
raise NameResolutionError(self.host, self, e) from e
urllib3.exceptions.NameResolutionError: <urllib3.connection.HTTPSConnection object at 0x7bab20b7d940>: Failed to resolve 'raw.githubusercontent.com' ([Errno -3] Temporary failure in name resolution)
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/requests/adapters.py", line 486, in send
resp = conn.urlopen(
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/urllib3/connectionpool.py", line 844, in urlopen
retries = retries.increment(
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/urllib3/util/retry.py", line 515, in increment
raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type]
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='raw.githubusercontent.com', port=443): Max retries exceeded with url: /canonical/operator-schemas/master/grpc.yaml (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7bab20b7d940>: Failed to resolve 'raw.githubusercontent.com' ([Errno -3] Temporary failure in name resolution)"))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "./src/charm.py", line 308, in <module>
main(Operator)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/ops/main.py", line 441, in main
_emit_charm_event(charm, dispatcher.event_name)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/ops/main.py", line 149, in _emit_charm_event
event_to_emit.emit(*args, **kwargs)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/ops/framework.py", line 342, in emit
framework._emit(event)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/ops/framework.py", line 839, in _emit
self._reemit(event_path)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/ops/framework.py", line 928, in _reemit
custom_handler(event)
File "./src/charm.py", line 165, in set_pod_spec
interfaces = self._get_interfaces()
File "./src/charm.py", line 261, in _get_interfaces
interfaces = get_interfaces(self)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/serialized_data_interface/sdi.py", line 351, in get_interfaces
return {
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/serialized_data_interface/sdi.py", line 352, in <dictcomp>
endpoint: get_interface(charm, endpoint)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/serialized_data_interface/sdi.py", line 375, in get_interface
schema = utils.get_schema(interface["schema"])
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/serialized_data_interface/utils.py", line 68, in get_schema
response = _get_schema_response_from_remote(schema)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/serialized_data_interface/utils.py", line 93, in _get_schema_response_from_remote
response = requests.get(url=url, proxies=proxies)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/requests/api.py", line 73, in get
return request("get", url, params=params, **kwargs)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/requests/api.py", line 59, in request
return session.request(method=method, url=url, **kwargs)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/requests/sessions.py", line 589, in request
resp = self.send(prep, **send_kwargs)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/requests/sessions.py", line 703, in send
r = adapter.send(request, **kwargs)
File "/var/lib/juju/agents/unit-envoy-0/charm/venv/requests/adapters.py", line 519, in send
raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPSConnectionPool(host='raw.githubusercontent.com', port=443): Max retries exceeded with url: /canonical/operator-schemas/master/grpc.yaml (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7bab20b7d940>: Failed to resolve 'raw.githubusercontent.com' ([Errno -3] Temporary failure in name resolution)"))