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kube-tools.sh
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kube-tools.sh
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#!/usr/bin/env bash
function kt-exec()
{
if [[ $# == 2 ]]
then
kubectl exec -it -n $1 $2 bash
else
kubectl exec -it $1 bash
fi
}
function kt-exec-sh()
{
if [[ $# == 2 ]]
then
kubectl exec -it -n $1 $2 sh
else
kubectl exec -it $1 sh
fi
}
function kt-get-node()
{
kubectl describe node $1
}
function kt-get-node-ready()
{
kubectl get node -o wide|grep -v NotReady|grep -v NAME
}
function kt-get-node-notready()
{
kubectl get node -o wide|grep NotReady
}
function kt-get-node-by-pod()
{
if [[ $# == 2 ]]
then
kubectl get pod -n $1 $2 -o wide
node_name=`kubectl get pod -n $1 $2 -o go-template --template="{{.spec.nodeName}}"`
else
kubectl get pod $1
node_name=`kubectl get pod $1 -o go-template --template="{{.spec.nodeName}}"`
fi
kubectl describe node $node_name
}
function kt-get-node-all()
{
kubectl get node -o wide
}
function kt-get-pod()
{
if [[ $# == 2 ]]
then
kubectl describe pod -n $1 $2
else
kubectl describe pod $1
fi
}
function kt-get-pod-all()
{
kubectl get pod --all-namespaces -o wide
}
function kt-get-pod-by-ns()
{
kubectl get pod -n $1 -o wide
}
function kt-get-pod-by-rs()
{
if [[ $# == 2 ]]
then
labels=`kubectl get rs -n $1 -o go-template --template="{{ range \\$key, \\$value := .spec.selector.matchLabels}},{{\\$key}}={{\\$value}}{{end}}" $2`
labels=`echo ${labels/,/}`
kubectl get pod -l $labels -o wide -n $1
else
labels=`kubectl get rs -o go-template --template="{{ range \\$key, \\$value := .spec.selector.matchLabels}},{{\\$key}}={{\\$value}}{{end}}" $1`
labels=`echo ${labels/,/}`
kubectl get pod -l $labels -o wide
fi
}
function kt-get-pod-by-svc()
{
if [[ $# == 2 ]]
then
labels=`kubectl get svc -n $1 -o go-template --template="{{ range \\$key, \\$value := .spec.selector}},{{\\$key}}={{\\$value}}{{end}}" $2`
labels=`echo ${labels/,/}`
kubectl get pod -l $labels -o wide -n $1
else
labels=`kubectl get svc -o go-template --template="{{ range \\$key, \\$value := .spec.selector}},{{\\$key}}={{\\$value}}{{end}}" $1`
labels=`echo ${labels/,/}`
kubectl get pod -l $labels -o wide
fi
}
function kt-get-pod-by-deploy()
{
if [[ $# == 2 ]]
then
labels=`kubectl get deployment -n $1 -o go-template --template="{{ range \\$key, \\$value := .spec.selector.matchLabels}},{{\\$key}}={{\\$value}}{{end}}" $2`
labels=`echo ${labels/,/}`
kubectl get pod -l $labels -o wide -n $1
else
labels=`kubectl get deployment -o go-template --template="{{ range \\$key, \\$value := .spec.selector.matchLabels}},{{\\$key}}={{\\$value}}{{end}}" $1`
labels=`echo ${labels/,/}`
kubectl get pod -l $labels -o wide
fi
}
function kt-get-pod-by-ip()
{
if [[ $# == 1 ]]
then
kubectl get pod --all-namespaces --field-selector="status.podIP=$1" -o wide
fi
}
function kt-get-pod-by-node()
{
if [[ $# == 1 ]]
then
kubectl get pod --all-namespaces --field-selector="spec.nodeName=$1" -o wide
fi
}