check_pods.sh

#!/bin/bash

NAMESPACE="$ns"
if [[ "$NAMESPACE" == "" ]]; then
    NAMESPACE=default
fi
if [[ "$APP_NAME" == "" ]]; then
    APP_NAME=redis
fi
if [[ "$RELEASE" == "" ]]; then
    RELEASE="secure-doc-management"
fi

export POD=$(kubectl get pods --namespace $NAMESPACE -l "app.kubernetes.io/name=$APP_NAME,app.kubernetes.io/instance=$RELEASE" -o jsonpath="{.items[0].metadata.name}")
export READY=$(kubectl get pod $POD -o jsonpath='{.status.containerStatuses[0].ready}')

echo "Checking pod $POD of"
echo "  RELEASE=$RELEASE APP_NAME=$APP_NAME, NAMESPACE=$NAMESPACE"
echo "  READY STATUS=$READY"

I=0

while [[ "$READY" != "true"  ]] ; do
    ((I=I+1))
    if [[ $I -ge 128 ]] ; then
        echo "Giving up waiting for $POD to become 'ready'"
        exit 1
    fi
    sleep 5
    export POD=$(kubectl get pods --namespace $NAMESPACE -l "app.kubernetes.io/name=$APP_NAME,app.kubernetes.io/instance=$RELEASE" -o jsonpath="{.items[0].metadata.name}")
    export READY=$(kubectl get pod $POD -o jsonpath='{.status.containerStatuses[0].ready}')
    echo "- POD=$POD, READY STATUS=$READY"
done