17 lines
663 B
Bash
Executable File
17 lines
663 B
Bash
Executable File
#!/usr/bin/env bash
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pods=$(kubectl get po -A -l linkerd.io/control-plane-ns -ojsonpath="{range .items[*]}{.metadata.name} {.metadata.namespace}{'\n'}{end}")
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IFS=" "
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while read name namespace; do
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tcp=$(kubectl exec -n $namespace $name -c linkerd-proxy -- cat /proc/net/tcp)
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close_wait=$(echo $tcp | awk 'BEGIN {cnt=0} $4==08 {cnt++} END {print cnt}')
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fin_wait_2=$(echo $tcp | awk 'BEGIN {cnt=0} $4==05 {cnt++} END {print cnt}')
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if [ "$close_wait" -gt "0" -o "$fin_wait_2" -gt "0" ]; then
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echo "$name.$namespace has $close_wait sockets in CLOSE_WAIT and $fin_wait_2 sockets in FIN_WAIT_2"
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else
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echo "$name.$namespace is okay"
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fi
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done <<< "$pods"
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