Update script to wait for ready pods too

Author: Kasturi Narra

scripts/lvms-helpers/checkWorkloadExists.sh

@@ -8,27 +8,31 @@ KUBECONFIG=${KUBECONFIG:-/var/lib/microshift/resources/kubeadmin/kubeconfig}
 ns="test-lvms"
 appLabel="app-lvms"
 
-echo "INFO:" "Check if deployment Pod is 'Running'......."
-iter=24
+echo "INFO:" "Check if deployment Pod exists......."
 period=5
 podName=$(sudo oc --kubeconfig "${KUBECONFIG}" get pod -n ${ns} -l app=${appLabel} --no-headers | awk '{print $1}')
 if [ "${podName}" == "" ]; then
   echo "ERROR:" "Deployment Pod not found."
   exit 1
 fi
 
-echo "INFO:" "Waiting for Pod to become ready(max 2-minutes)....."
-result=""
-while [[ "${result}" != "Running" && ${iter} -gt 0 ]]; do
+# Wait for pod to be Running AND containers to be ready (combined check)
+echo "INFO:" "Waiting for Pod and containers to be ready (max 2-minutes)....."
+iter=24
+phase=""
+ready="false"
+while [[ ("${phase}" != "Running" || "${ready}" != "true") && ${iter} -gt 0 ]]; do
   #shellcheck disable=SC1083
-  result=$(sudo oc --kubeconfig "${KUBECONFIG}" get pod "${podName}" -n "${ns}" -o=jsonpath={.status.phase})
+  phase=$(sudo oc --kubeconfig "${KUBECONFIG}" get pod "${podName}" -n "${ns}" -o=jsonpath={.status.phase} 2>/dev/null || echo "")
+  ready=$(sudo oc --kubeconfig "${KUBECONFIG}" get pod "${podName}" -n "${ns}" -o=jsonpath={.status.containerStatuses[0].ready} 2>/dev/null || echo "false")
   (( iter -- ))
   sleep ${period}
 done
-if [ "${result}" == "Running" ]; then
-  echo "INFO:" "Deployment Pod is Running."
+
+if [ "${phase}" == "Running" ] && [ "${ready}" == "true" ]; then
+  echo "INFO:" "Deployment Pod is Running and containers are ready."
 else
-  echo "ERROR:" "Deployment Pod is not in 'Running' state."
+  echo "ERROR:" "Pod phase: ${phase}, Container ready: ${ready}"
   sudo oc --kubeconfig "${KUBECONFIG}" -n "${ns}" describe pod "${podName}"
   exit 1
 fi