Add '.dotfiles/kubernetes'
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alias k='kubectl '
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alias kshell='kubectl run -it shell --image bash --restart Never --rm -- sh'
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kiam () {
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kubectl run -it shell --image docker-tiocoreeng-apps-virtual.bts.artifactory.tio.systems/aws-cli:latest --env=AWS_DEFAULT_REGION=eu-west-1 --overrides="{ \"metadata\": { \"annotations\": { \"iam.amazonaws.com/role\": \"$1\" } } }" --command bash --restart Never --rm
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}
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kube-ssh() {
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sh -c "$(curl -sSL https://raw.githubusercontent.com/AverageMarcus/kube-ssh/master/ssh.sh)"
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}
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kube-forward() {
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if [ -n "$ZSH_VERSION" ]; then
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setopt LOCAL_OPTIONS NO_NOTIFY NO_MONITOR
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fi
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IFS=$'\n'
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SERVICES=( $(kubectl get service --no-headers -o json | jq '[.items[] | select(.metadata.annotations."kube-forward" != "false")] | (.[] | .metadata.name + "\t" + ([.spec.ports[].port] | join(",")))' -r | column -t) )
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unset IFS
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TO_KILL=()
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cleanup() {
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echo "\nClosing connections..."
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for pid in "${TO_KILL[@]}"
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do
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(kill -2 $pid) &> /dev/null
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done
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trap - INT TERM
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}
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trap 'cleanup' INT TERM
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HOST_PORT=9001
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echo "Forwarding..."
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for s in "${SERVICES[@]}"
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do
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SERVICE=( $(echo $s) )
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if [ -n "$ZSH_VERSION" ]; then
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NAME=${SERVICE[1]}
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PORT=${SERVICE[2]}
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else
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NAME=${SERVICE[0]}
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PORT=${SERVICE[1]}
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fi
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PORTS=($(echo $PORT | tr "," "\n"))
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for PORT in "${PORTS[@]}"
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do
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(kubectl port-forward svc/$NAME $HOST_PORT:$PORT > /dev/null 2>&1) &
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BG_PID=$!
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if `curl -s -o /dev/null --retry 5 --retry-delay 0 --retry-connrefused -m 3 http://localhost:$HOST_PORT`
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then
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echo "\e[1m$NAME:$PORT\e[0m ➡ \e[34mhttp://localhost:$HOST_PORT\e[0m"
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TO_KILL+=($BG_PID)
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((HOST_PORT=HOST_PORT+1))
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else
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(kill -2 $BG_PID) &> /dev/null
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fi
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done
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done
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echo "\n\e[2m(Use [Ctl + C] to exit)"
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cat
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if [ -n "$BASH_VERSION" ]; then
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cleanup
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fi
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}
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source <(kubectl completion zsh)
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## Merge multiple kubeconfigs
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function join_by { local d=$1; shift; echo -n "$1"; shift; printf "%s" "${@/#/$d}"; }
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KUBECONFIG="$HOME/.kube/config"
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OTHER_CLUSTERS="$(join_by :$HOME/.kube/clusters/ $(echo $HOME/.kube/clusters/$(ls $HOME/.kube/clusters)))"
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export KUBECONFIG=$KUBECONFIG:$OTHER_CLUSTERS
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## Kubectl exec
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kx () {
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local pod=($(kubectl get pods --all-namespaces -owide | fzf | awk '{print $1, $2}'))
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local cmd=${@:-"sh"}
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echo kubectl exec -it --namespace $pod[1] $pod[2] $cmd
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kubectl exec -it --namespace $pod[1] $pod[2] $cmd
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}
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## Kubectl logs
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kl () {
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local pod=($(kubectl get pods --all-namespaces -owide | fzf | awk '{print $1, $2}'))
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local attr=${@:-""}
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echo kubectl logs -f $attr --namespace $pod[1] $pod[2]
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kubectl logs -f $attr --namespace $pod[1] $pod[2]
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}
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## Display everything
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kall () {
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kubectl get all --all-namespaces
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}
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kctx () {
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KUBECONFIG="$HOME/.kube/config"
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OTHER_CLUSTERS="$(join_by :$HOME/.kube/clusters/ $(echo $HOME/.kube/clusters/$(ls $HOME/.kube/clusters)))"
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export KUBECONFIG=$KUBECONFIG:$OTHER_CLUSTERS
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kubectx $@
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}
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k-version-test() {
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VERSION=""
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FILES=""
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while test $# -gt 0; do
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case "$1" in
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-v|--version)
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shift
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VERSION=$1
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shift
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;;
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-f|--files)
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shift
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FILES=$1
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shift
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;;
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-h|--help)
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echo "k-version-test - test Kubernetes manifest files against different versions of Kubernetes"
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echo " "
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echo "k-version-test [options]"
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echo " "
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echo "Options:"
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echo "-h, --help show this help text"
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echo "-v, --version the version of kubernetes to test against"
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echo "-f, --files the manifest file(s) to test against"
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return 0
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;;
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*)
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break
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;;
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esac
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done
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which kind &> /dev/null || (echo "'kind' not installed. Follow install instructions here: https://github.com/kubernetes-sigs/kind/"; return 1)
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if [ ! -z $VERSION ];
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then
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TAG=$(curl -s 'https://registry.hub.docker.com/v2/repositories/kindest/node/tags/' | jq '."results" | map(.name | select(startswith("v'$VERSION'"))) | .[0]' | xargs)
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kind create cluster --image kindest/node:$TAG
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else
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kind create cluster
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fi
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echo
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if kubectl apply --dry-run -f $FILES ; then
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echo "\n☸️ Kubernetes $VERSION. Result: ✅\n"
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else
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echo "\n☸️ Kubernetes $VERSION. Result: ❌\n"
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fi
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kind delete cluster
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}
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fix-broken-replicasets() {
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kubectl get replicasets --all-namespaces -o jsonpath='{range .items[?(@.status.replicas==0)]}--namespace {@.metadata.namespace} {@.metadata.name};{end}' | tr ";" "\n" | xargs -I {} sh -c "kubectl delete rs {}"
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}
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source <(tkn completion zsh)
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