[influxdb] fix backup job (#462)

charts/influxdb/Chart.yaml

 apiVersion: v1
 name: influxdb
-version: 4.11.0
+version: 4.12.0
 appVersion: 1.8.10
 description: Scalable datastore for metrics, events, and real-time analytics.
 keywords:

charts/influxdb/files/backup-retention-script.sh

@@ -13,12 +13,15 @@ set -e
 # Sanity check to avoid removing all backups.
 [[ "$DAYS_TO_RETAIN" -lt 1 ]] && DAYS_TO_RETAIN=1
 
+# Prepare endpoint-url argument
+[[ -z "$S3_ENDPOINT" ]] && endpoint_arg="" || endpoint_arg="--endpoint-url ${S3_ENDPOINT}"
+
 function get_records {
     before_date="$1"
 
     aws s3api list-objects \
         --bucket ${S3_BUCKET} \
-        --endpoint-url ${S3_ENDPOINT} \
+        ${endpoint_arg} \
         --query "Contents[?LastModified<='${before_date}'][].{Key: Key}"
 }
 
@@ -56,7 +59,7 @@ function remove_old_backups {
 
     for path in "${del_paths[@]::${num_to_delete}}"; do
         aws s3 rm "s3://${S3_BUCKET}/${path}" \
-            --endpoint-url "${S3_ENDPOINT}"
+            ${endpoint_arg}
     done
 }
 

charts/influxdb/templates/backup-cronjob.yaml

@@ -28,6 +28,10 @@ spec:
             {{- include "influxdb.selectorLabels" . | nindent 12 }}
         spec:
           restartPolicy: OnFailure
+          {{- with .Values.backup.nodeSelector }}
+          nodeSelector:
+             {{- toYaml . | nindent 12 }}
+          {{- end }}
           volumes:
           - name: backup
           {{- if .Values.backup.persistence.enabled }}

charts/influxdb/values.yaml

@@ -262,20 +262,21 @@ backup:
   startingDeadlineSeconds: ""
   annotations: {}
   podAnnotations: {}
+  nodeSelector: {}
 
   ## Google Cloud Storage
   # gcs:
-  #    serviceAccountSecret: influxdb-backup-key
-  #    serviceAccountSecretKey: key.json
-  #    destination: gs://bucket/influxdb
+    # serviceAccountSecret: influxdb-backup-key
+    # serviceAccountSecretKey: key.json
+    # destination: gs://bucket/influxdb
 
   ## Azure
   ## Secret is expected to have connection string stored in `connection-string` field
   ## Existing container will be used or private one withing storage account will be created.
   # azure:
-  #   storageAccountSecret: influxdb-backup-azure-key
-  #   destination_container: influxdb-container
-  #   destination_path: ""
+    # storageAccountSecret: influxdb-backup-azure-key
+    # destination_container: influxdb-container
+    # destination_path: ""
 
   ## Amazon S3 or compatible
   ## Secret is expected to have AWS (or compatible) credentials stored in `credentials` field.
@@ -283,10 +284,10 @@ backup:
   ## for the credentials format.
   ## The bucket should already exist.
   # s3:
-  #   credentialsSecret: aws-credentials-secret
-  #   destination: s3://bucket/path
-  #   ## Optional. Specify if you're using an alternate S3 endpoint.
-  #   # endpointUrl: ""
+    # credentialsSecret: aws-credentials-secret
+    # destination: s3://bucket/path
+    ## Optional. Specify if you're using an alternate S3 endpoint.
+    # endpointUrl: ""
 
 backupRetention:
   enabled: false