elastic https disabled

elasticsearch/templates/statefulset.yaml

@@ -237,43 +237,66 @@ spec:
           exec:
             command:
               - bash
-              - '-c'
+              - -c
-              - >
+              - |
                 set -e
 
-                # If the node is starting up wait for the cluster to be ready
+                # Exit if ELASTIC_PASSWORD in unset
+                if [ -z "${ELASTIC_PASSWORD}" ]; then
+                  echo "ELASTIC_PASSWORD variable is missing, exiting"
+                  exit 1
+                fi
+
+                # If the node is starting up wait for the cluster to be ready (request params: "{{ .Values.clusterHealthCheckParams }}" )
                 # Once it has started only check that the node itself is responding
                 START_FILE=/tmp/.es_start_file
 
-                # Disable nss cache (kept for compatibility)
+                # Disable nss cache to avoid filling dentry cache when calling curl
+                # This is required with Elasticsearch Docker using nss < 3.52
                 export NSS_SDB_USE_CACHE=no
 
                 http () {
                   local path="${1}"
                   local args="${2}"
-                  curl -XGET -s --output /dev/null -w "%{http_code}" "http://127.0.0.1:9200${path}" ${args}
+                  set -- -XGET -s
+
+                  if [ "$args" != "" ]; then
+                    set -- "$@" $args
+                  fi
+
+                  set -- "$@" -u "elastic:${ELASTIC_PASSWORD}"
+
+                  curl --output /dev/null -k "$@" "{{ .Values.protocol }}://127.0.0.1:{{ .Values.httpPort }}${path}"
                 }
 
                 if [ -f "${START_FILE}" ]; then
-                  echo 'Elasticsearch is already running, checking node health'
+                  echo 'Elasticsearch is already running, lets check the node is healthy'
-                  HTTP_CODE=$(http "/")
+                  HTTP_CODE=$(http "/" "-w %{http_code}")
+                  RC=$?
+                  if [[ ${RC} -ne 0 ]]; then
+                    echo "curl --output /dev/null -k -XGET -s -w '%{http_code}' \${BASIC_AUTH} {{ .Values.protocol }}://127.0.0.1:{{ .Values.httpPort }}/ failed with RC ${RC}"
+                    exit ${RC}
+                  fi
+                  # ready if HTTP code 200, 503 is tolerable if ES version is 6.x
                   if [[ ${HTTP_CODE} == "200" ]]; then
                     exit 0
+                  elif [[ ${HTTP_CODE} == "503" && "{{ include "elasticsearch.esMajorVersion" . }}" == "6" ]]; then
+                    exit 0
                   else
-                    echo "Health check failed with HTTP code ${HTTP_CODE}"
+                    echo "curl --output /dev/null -k -XGET -s -w '%{http_code}' \${BASIC_AUTH} {{ .Values.protocol }}://127.0.0.1:{{ .Values.httpPort }}/ failed with HTTP code ${HTTP_CODE}"
                     exit 1
                   fi
+
                 else
-                  echo 'Waiting for elasticsearch cluster to become ready'
+                  echo 'Waiting for elasticsearch cluster to become ready (request params: "{{ .Values.clusterHealthCheckParams }}" )'
-                  if http "/_cluster/health?wait_for_status=green&timeout=1s" "--fail"; then
+                  if http "/_cluster/health?{{ .Values.clusterHealthCheckParams }}" "--fail" ; then
                     touch ${START_FILE}
                     exit 0
                   else
-                    echo 'Cluster is not yet ready'
+                    echo 'Cluster is not yet ready (request params: "{{ .Values.clusterHealthCheckParams }}" )'
                     exit 1
                   fi
                 fi
-
 {{ toYaml .Values.readinessProbe | indent 10 }}
         ports:
         - name: http