Add pod lifecycle (#104)

* Introducing pod lifecycle

* Bump chart version

charts/quickwit/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: quickwit
 description: Sub-second search & analytics engine on cloud storage.
 type: application
-version: 0.7.1
+version: 0.7.2
 appVersion: "v0.8.2"
 keywords:
   - quickwit

charts/quickwit/templates/indexer-statefulset.yaml

@@ -128,6 +128,10 @@ spec:
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- with .Values.indexer.lifecycleHooks }}
+      lifecycle:
+        {{- toYaml . | nindent 8 }}
+      {{- end}}
   {{- if .Values.indexer.persistentVolume.enabled }}
   volumeClaimTemplates:
     - metadata:

charts/quickwit/templates/searcher-statefulset.yaml

@@ -127,6 +127,10 @@ spec:
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- with .Values.searcher.lifecycleHooks }}
+      lifecycle:
+        {{- toYaml . | nindent 8 }}
+      {{- end}}
   {{- if .Values.searcher.persistentVolume.enabled }}
   volumeClaimTemplates:
     - metadata:

charts/quickwit/values.yaml

@@ -105,6 +105,14 @@ searcher:
       path: /health/readyz
       port: rest
 
+  lifecycleHooks: {}
+    # preStop:
+    #   exec:
+    #     command:
+    #       - /bin/sh
+    #       - -c
+    #       - sleep 30
+
   # Override args for starting container
   args: []
 
@@ -196,6 +204,14 @@ indexer:
 
   affinity: {}
 
+  lifecycleHooks: {}
+    # preStop:
+    #   exec:
+    #     command:
+    #       - /bin/sh
+    #       - -c
+    #       - sleep 30
+
   # Long grace period is recommended to wait for all index commit_timeout_secs and splits to be published
   # See https://quickwit.io/docs/configuration/index-config#indexing-settings
   terminationGracePeriodSeconds: 120