diff options
Diffstat (limited to 'docs/troubleshooting.txt')
| -rw-r--r-- | docs/troubleshooting.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/troubleshooting.txt b/docs/troubleshooting.txt index 1f52fe9..5eb0cc7 100644 --- a/docs/troubleshooting.txt +++ b/docs/troubleshooting.txt @@ -263,6 +263,17 @@ pods: very slow scheduling (normal start time in seconds range), failed pods, ro and the pods should be allowed to access files. Possible errors: unable to create pods: pods "mongodb-2-" is forbidden: no providers available to validate pod request +Pod Networking +============== +- Run commands in pod network, particularly execute packet sniffers (which would not work in the container due to missing capabilities) + * Get container cid + docker ps -f label=io.kubernetes.pod.name=epics-archappl-46-h6j62 -f label=io.kubernetes.pod.namespace=epics -f label=io.kubernetes.docker.type=podsandbox -q + * Run command with container networking, e.g. tcpdump + nsenter -n -t $(docker inspect --format "{{ .State.Pid }}" "f5a0ad4f5793") tcpdump -nv -i eth0 + +- Check if service properly exposed ports + * 'nc' will not properly tell if UDP port is open or not due to underlaying firewall. + iptables -n -L -t nat | grep 5064 | grep 172 Builds |