Add subPath property for secrets (#1)

* Add subPath property for secrets

charts/common/Chart.yaml

@@ -15,4 +15,4 @@ type: library
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.2.0
+version: 0.3.0

charts/common/templates/_volumeMountsRef.yaml

@@ -13,11 +13,17 @@ volumeMounts: &volumeMounts
 {{- range .Values.sealedFileSecrets }}
   - name: {{ .name }}
     mountPath: {{ .path }}
+    {{- if .subPath}}
+    subPath: {{ .subPath }}
+    {{- end }} 
     readOnly: true
 {{- end }}
 {{- range .Values.fileSecrets }}
   - name: {{ .name }}
     mountPath: {{ .path }}
+    {{- if .subPath}}
+    subPath: {{ .subPath }}
+    {{- end }} 
     readOnly: true
 {{- end }}
 {{- range .Values.existingFileSecrets }}

charts/cron-job/Chart.yaml

@@ -19,5 +19,5 @@ version: 0.48.0
 
 dependencies:
   - name: common
-    version: 0.2.0
+    version: 0.3.0
     repository: file://../common

charts/onechart/Chart.yaml

@@ -19,5 +19,5 @@ version: 0.48.0
 
 dependencies:
   - name: common
-    version: 0.2.0
+    version: 0.3.0
     repository: file://../common

charts/onechart/tests/deployment_file_secrets_test.yaml

@@ -18,6 +18,22 @@ tests:
             - name: google-account-key
               mountPath: /google-account-key
               readOnly: true
+  - it: Should mount volume with optional subPath
+    set:
+      fileSecrets:
+        - name: google-account-key
+          path: /config/google-account-key
+          subPath: google-account-key
+          secrets:
+            key.json: supersecret
+    asserts:
+      - equal:
+          path: spec.template.spec.containers[0].volumeMounts
+          value:
+            - name: google-account-key
+              mountPath: /config/google-account-key
+              subPath: google-account-key
+              readOnly: true
   - it: Should reference volume
     set:
       fileSecrets: