This is very commonly a misconfiguration of the network firewall rules and the Openshift SDN. Pods attempt to connect over OVS bridges to the masters, and the OVS traffic is carried over port 4789 (I think that's the port, you may want to double check).
https://access.redhat.com/documentation/en/openshift-enterprise/3.1/cluster-administration/chapter-17-troubleshooting-openshift-sdn Covers debugging network configuration issues > On Apr 18, 2016, at 11:28 PM, Sebastian Wieseler > <[email protected]> wrote: > > Hi community, > We’re having difficulties to deploy pods. > Our setup includes three masters plus three nodes. > > If we deploy a pod in the default project on a master, everything works fine. > But when we’re deploying it on a node, we’re getting STATUS Error for the pod > and the log shows: > F0418 09:07:26.429738 1 deployer.go:70] couldn't get deployment > project/pod-1: Get > https:/172.30.0.1:443/api/v1/namespaces/project/replicationcontrollers/pod-1: > dial tcp X.X.X.X:443: getsockopt: no route to host > > 172.30.0.1 is the default address for kubernetes. > If I execute curl > https://172.30.0.1:443/api/v1/namespaces/project/replicationcontrollers/pod-1on > the master or on the nodes, I’ll get a valid response. > > How come the pod doesn’t have a route? I couldn’t find much in the logs. > First I thought it’s a firewall issue, but even with "allow any" it doesn’t > work. > > Our syslog is also full of these messages, on master and nodes: > > Apr 19 03:15:24 localhost atomic-openshift-master-api: I0419 03:15:24.578086 > 32022 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:24 localhost atomic-openshift-master-api: I0419 03:15:24.947147 > 32022 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:24 localhost atomic-openshift-master-api: I0419 03:15:24.948047 > 32022 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:24 localhost atomic-openshift-master-api: I0419 03:15:24.948076 > 32022 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:25 localhost atomic-openshift-master-api: I0419 03:15:25.576047 > 32022 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:26 localhost atomic-openshift-master-api: I0419 03:15:26.207263 > 32022 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:27 localhost origin-master-controllers: I0419 03:15:27.947460 > 51283 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:28 localhost origin-master-controllers: I0419 03:15:28.580092 > 51283 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:28 localhost origin-master-controllers: I0419 03:15:28.961733 > 51283 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:30 localhost origin-master-controllers: I0419 03:15:30.577072 > 51283 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:31 localhost origin-master-controllers: I0419 03:15:31.947765 > 51283 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:32 localhost origin-master-controllers: I0419 03:15:32.579114 > 51283 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:33 localhost origin-master-controllers: I0419 03:15:33.199725 > 51283 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:34 localhost origin-master-controllers: I0419 03:15:34.199899 > 51283 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:34 localhost origin-master-controllers: I0419 03:15:34.200178 > 51283 iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > Apr 19 03:15:34 localhost origin-node: I0419 03:15:34.577084 32236 > iowatcher.go:103] Unexpected EOF during watch stream event decoding: > unexpected EOF > > Don’t know if this is related? > > Thanks a lot for your help! > Greetings, > Sebastian > > > > > _______________________________________________ > users mailing list > [email protected] > http://lists.openshift.redhat.com/openshiftmm/listinfo/users _______________________________________________ users mailing list [email protected] http://lists.openshift.redhat.com/openshiftmm/listinfo/users
