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16 lines
547 B
16 lines
547 B
4 years ago
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function e() {
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# 快速进入容器命名空间
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# exp: e POD_NAME NAMESPACE
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set -eu
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pod_name=${1}
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ns=${2-"default"}
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host_ip=$(kubectl -n $ns get pod $pod_name -o jsonpath='{.status.hostIP}')
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container_id=$(kubectl -n $ns describe pod $pod_name | grep -A10 "^Containers:" | grep -Eo 'docker://.*$' | head -n 1 | sed 's/docker:\/\/\(.*\)$/\1/')
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container_pid=$(docker inspect -f {{.State.Pid}} $container_id)
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cmd="nsenter -n --target $container_pid"
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echo "entering pod netns for [${host_ip}] $ns/$pod_name"
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echo $cmd
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$cmd
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}
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