84 lines
2.1 KiB
Bash
Executable File
84 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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set -uo pipefail
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IFS=$'\n\t'
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# timeouts after 3 minutes
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function retry(){
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cmd="$1"
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retryMsg="$2"
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for i in {1..90}; do
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eval "$cmd"
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if [ $? -eq 0 ]; then
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return 0
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fi
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echo "$retryMsg"
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sleep 2
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done
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return 1
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}
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echo "==== CLEAN UP PREVIOUS RUN ==== "
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status=$(minikube status --format "{{.MinikubeStatus}}")
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if [ "$status" = "Running" ]; then
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minikube delete
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fi
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# the kubectl process does the port-forwarding between operator and local ports
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# we restart the process to be able to bind to the same port again (see end of script)
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echo "Kill kubectl process to re-init port-forwarding for minikube"
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kubepid=$(pidof "kubectl")
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if [ $? -eq 0 ]; then
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kill "$kubepid"
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fi
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echo "==== START MINIKUBE ==== "
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echo "May take a few minutes ..."
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minikube start
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kubectl config set-context minikube
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echo "==== MINIKUBE STATUS ==== "
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minikube status
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echo "==== START OPERATOR ==== "
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# the order of files is significant
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for file in "configmap.yaml" "serviceaccount.yaml" "postgres-operator.yaml"
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do
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retry "kubectl create -f manifests/\"$file\"" "attempt to create $file resource"
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done
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msg="Wait for the postgresql custom resource definition to register."
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cmd="kubectl get crd | grep 'postgresqls.acid.zalan.do' &> /dev/null"
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retry "$cmd" "$msg "
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kubectl create -f manifests/complete-postgres-manifest.yaml
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localPort="8080"
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operatorPort="8080"
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echo "==== FORWARD OPERATOR PORT $operatorPort TO LOCAL PORT $localPort ===="
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operatorPod=$(kubectl get pod -l name=postgres-operator -o jsonpath={.items..metadata.name})
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# runs in the background to keep current terminal responsive
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# 1> redirects stdout to remove the info message about forwarded ports; the message sometimes garbles the cli prompt
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kubectl port-forward "$operatorPod" "$localPort":"$operatorPort" 1> /dev/null &
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echo "==== RUN HEALTH CHECK ==== "
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checkCmd="curl -L http://127.0.0.1:$localPort/clusters &> /dev/null"
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checkMsg="Wait for port forwarding to take effect"
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retry "$checkCmd" "$checkMsg"
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if [ $? -eq 0 ]; then
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echo "==== SUCCESS: OPERATOR IS RUNNING ==== "
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else
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echo "Operator did not start or port forwarding did not work"
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exit 1
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fi
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