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Drachenfels-GmbH / kubernetes-crio-lxc

Instructions and experiences using kubernetes with crio-lxc
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IP Address in kubectl output does not match IP visible in container #1

Open r10r opened 4 years ago

r10r commented 4 years ago

Why does the IP address in the output of kubectl not match the IP address that is visible in the container?

root@container-node:~/packages/tmp# kubectl get service/athens-proxy-0-1595600369
NAME                        TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)   AGE
athens-proxy-0-1595600369   ClusterIP   10.108.96.34   <none>        80/TCP    19m
root@container-node:~/packages/tmp# kubectl exec  service/athens-proxy-0-1595600369  -- ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
3: eth0@if676: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue state UP 
    link/ether 42:ac:9b:20:27:ea brd ff:ff:ff:ff:ff:ff
    inet 10.88.1.173/16 brd 10.88.255.255 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::40ac:9bff:fe20:27ea/64 scope link 
       valid_lft forever preferred_lft forever
root@container-node:~/packages/tmp# pod=$(crictl pods --name athens-proxy-0-1595600369-6976f57484-wgblv --quiet)
root@container-node:~/packages/tmp# container=$(crictl ps --pod $pod --quiet)
root@container-node:~/packages/tmp# crictl exec $container ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
3: eth0@if676: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue state UP 
    link/ether 42:ac:9b:20:27:ea brd ff:ff:ff:ff:ff:ff
    inet 10.88.1.173/16 brd 10.88.255.255 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::40ac:9bff:fe20:27ea/64 scope link 
       valid_lft forever preferred_lft forever
root@container-node:~/packages/tmp#