Created
February 1, 2023 06:54
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#!/bin/bash -e | |
usage(){ | |
echo "kubectl ssh <pod_name> [-n | --namespace] [-u | --user] [<ssh-parameters>]" | |
} | |
get_node_ip(){ | |
pod_name=$1 | |
namespace=$2 | |
kubectl get pods \ | |
$pod_name \ | |
$(test -n "$namespace" && echo "-n $namespace" || true) \ | |
-o yaml | \ | |
grep "hostIP:" | \ | |
cut -f2 -d: | \ | |
tr -d "[:blank:]" | |
exit "${PIPESTATUS[0]}" | |
} | |
if [ $# -lt 1 ] | |
then | |
usage | |
exit 1 | |
fi | |
ssh_args="" | |
pod_name="$1" | |
shift | |
while test $# -gt 0 | |
do | |
case $1 in | |
-u|--user) | |
user=$2 | |
shift | |
shift | |
;; | |
-u=*|--user=*) | |
user="${1#*=}" | |
shift | |
;; | |
-n|--namespace) | |
namespace=$2 | |
shift | |
shift | |
;; | |
-n=*|--namespace=*) | |
namespace="${1#*=}" | |
shift | |
;; | |
-h|--help) | |
usage | |
exit 0 | |
;; | |
*) | |
ssh_args+="$1 " | |
shift | |
;; | |
esac | |
done | |
destination="$(get_node_ip $pod_name $namespace)" | |
if test -n "$user" | |
then | |
destination="${user}@${destination}" | |
fi | |
ssh $destination $ssh_args |
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