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Failed to establish a new connection: [Errno 60] Operation timed out on kubernetes
I am trying to deploy clipper on kubernetes I am using kubernetes from native google cloud.
>>> from clipper_admin import ClipperConnection,KubernetesContainerManager
>>> clipper_conn = ClipperConnection(KubernetesContainerManager(useInternalIP=True))
>>> clipper_conn.start_clipper()
18-07-26:12:52:46 WARNING [kubernetes_container_manager.py:231] No external node addresses found. Using Internal IP address
18-07-26:12:52:46 INFO [kubernetes_container_manager.py:244] Found 1 nodes: 10.128.0.4
18-07-26:12:52:47 INFO [kubernetes_container_manager.py:253] Setting Clipper mgmt port to 31340
18-07-26:12:52:47 INFO [kubernetes_container_manager.py:261] Setting Clipper query port to 31974
18-07-26:12:52:48 INFO [kubernetes_container_manager.py:276] Setting Clipper metric port to 31720
18-07-26:12:52:53 INFO [clipper_admin.py:124] Clipper still initializing.
18-07-26:12:52:59 INFO [clipper_admin.py:124] Clipper still initializing.
18-07-26:12:53:05 INFO [clipper_admin.py:124] Clipper still initializing.
18-07-26:12:53:11 INFO [clipper_admin.py:124] Clipper still initializing.
18-07-26:12:53:17 INFO [clipper_admin.py:124] Clipper still initializing.
18-07-26:12:53:23 INFO [clipper_admin.py:124] Clipper still initializing.
18-07-26:12:53:29 INFO [clipper_admin.py:124] Clipper still initializing.
So as per #537 , I have used connect() for connecting to clipper, but on registering application it is getting timeout,
>>> clipper_conn.connect()
18-07-26:13:06:09 WARNING [kubernetes_container_manager.py:231] No external node addresses found. Using Internal IP address
18-07-26:13:06:09 INFO [kubernetes_container_manager.py:244] Found 1 nodes: 10.128.0.4
18-07-26:13:06:10 INFO [kubernetes_container_manager.py:253] Setting Clipper mgmt port to 31340
18-07-26:13:06:10 INFO [kubernetes_container_manager.py:261] Setting Clipper query port to 31974
18-07-26:13:06:11 INFO [kubernetes_container_manager.py:276] Setting Clipper metric port to 31720
18-07-26:13:06:11 INFO [clipper_admin.py:138] Successfully connected to Clipper cluster at 10.128.0.4:31974
>>>
>>>
>>> clipper_conn.register_application(name="hello-world", input_type="doubles", default_output="-1.0", slo_micros=100000)
Traceback (most recent call last):
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/urllib3/connection.py", line 171, in _new_conn
(self._dns_host, self.port), self.timeout, **extra_kw)
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/urllib3/util/connection.py", line 79, in create_connection
raise err
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/urllib3/util/connection.py", line 69, in create_connection
sock.connect(sa)
TimeoutError: [Errno 60] Operation timed out
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/urllib3/connectionpool.py", line 600, in urlopen
chunked=chunked)
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/urllib3/connectionpool.py", line 354, in _make_request
conn.request(method, url, **httplib_request_kw)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/http/client.py", line 1239, in request
self._send_request(method, url, body, headers, encode_chunked)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/http/client.py", line 1285, in _send_request
self.endheaders(body, encode_chunked=encode_chunked)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/http/client.py", line 1234, in endheaders
self._send_output(message_body, encode_chunked=encode_chunked)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/http/client.py", line 1026, in _send_output
self.send(msg)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/http/client.py", line 964, in send
self.connect()
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/urllib3/connection.py", line 196, in connect
conn = self._new_conn()
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/urllib3/connection.py", line 180, in _new_conn
self, "Failed to establish a new connection: %s" % e)
urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x1139c3c50>: Failed to establish a new connection: [Errno 60] Operation timed out
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/requests/adapters.py", line 445, in send
timeout=timeout
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/urllib3/connectionpool.py", line 638, in urlopen
_stacktrace=sys.exc_info()[2])
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/urllib3/util/retry.py", line 398, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='10.128.0.4', port=31340): Max retries exceeded with url: /admin/add_app (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x1139c3c50>: Failed to establish a new connection: [Errno 60] Operation timed out',))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/clipper_admin/clipper_admin.py", line 192, in register_application
r = requests.post(url, headers=headers, data=req_json)
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/requests/api.py", line 112, in post
return request('post', url, data=data, json=json, **kwargs)
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/requests/api.py", line 58, in request
return session.request(method=method, url=url, **kwargs)
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/requests/sessions.py", line 512, in request
resp = self.send(prep, **send_kwargs)
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/requests/sessions.py", line 622, in send
r = adapter.send(request, **kwargs)
File "/Users/user/Project/pythonenv/lib/python3.6/site-packages/requests/adapters.py", line 513, in send
raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPConnectionPool(host='10.128.0.4', port=31340): Max retries exceeded with url: /admin/add_app (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x1139c3c50>: Failed to establish a new connection: [Errno 60] Operation timed out',))
>>>
PODs got created on k8s :
Pro:~$ kubectl get pods -o wide
NAME READY STATUS RESTARTS AGE IP NODE
argo-ui-9bfc9f5c-9ql7b 1/1 Running 0 1d 10.8.0.12 gke-vodafone-poc-default-pool-98b76b13-bfnm
metrics-7fcdf94575-94ccd 1/1 Running 0 27m 10.8.0.20 gke-vodafone-poc-default-pool-98b76b13-bfnm
mgmt-frontend-7f997b4cd5-5f7kt 1/1 Running 0 27m 10.8.2.18 gke-vodafone-poc-default-pool-98b76b13-pg3j
query-frontend-0-67c6d46495-dd798 2/2 Running 0 27m 10.8.0.19 gke-vodafone-poc-default-pool-98b76b13-bfnm
redis-fd8df4f7d-x9rdg 1/1 Running 0 27m 10.8.1.16 gke-vodafone-poc-default-pool-98b76b13-mm2f
web-587b7fd7b4-dnmdd 1/1 Running 0 1d 10.8.0.13 gke-vodafone-poc-default-pool-98b76b13-bfnm
workflow-controller-84d54f597d-shpcf 1/1 Running 0 1d 10.8.1.10 gke-vodafone-poc-default-pool-98b76b13-mm2f
Pro:~$
Pro:~$
Pro:~$ kubectl get service -o wide
NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR
argo-ui 10.11.252.17 <nodes> 80:30712/TCP 1d app=argo-ui
kubernetes 10.11.240.1 <none> 443/TCP 1d <none>
metrics 10.11.251.234 <nodes> 9090:31720/TCP 27m ai.clipper.name=metrics
mgmt-frontend 10.11.240.8 <nodes> 1338:31340/TCP 27m ai.clipper.name=mgmt-frontend
query-frontend 10.11.248.88 <nodes> 1337:31974/TCP 27m ai.clipper.name=query-frontend
query-frontend-0 10.11.252.48 <nodes> 7000:32598/TCP 27m ai.clipper.name=query-frontend,ai.clipper.query_frontend.id=0
redis 10.11.243.186 <nodes> 6379:30959/TCP 27m ai.clipper.name=redis
web 10.11.246.114 <nodes> 8080:32092/TCP 1d run=web
Pro:~$
Could somebody assist me on this.
Hi,
Looks like a problem with your frontends. Try to run clipper_conn.stop_all() and then
from clipper_admin import ClipperConnection,KubernetesContainerManager clipper_conn = ClipperConnection(KubernetesContainerManager(useInternalIP=True) clipper_conn.start_clipper()
A new cluster should be deployed.
Hi @agneeshdg, Thanks for your comments, however, the problem did not resolve. As I am using this on K8S, does I need to use specific POD IP to establish the connection?
~Yogesh
@simon-mo @YogeshSomawar @agneeshdg I also tried to run on aws ec2 k8s but it failed on health check, have you guys had similiar problems?
