Add support for helm secrets with vals backend (#38)

* Add support for helm secrets with vals backend

* Add an example for the usage of use-secrets-vals in the deployment of a chart

---------

Co-authored-by: Hugo Dias <[email protected]>

Author: AnakinPt

README.md

@@ -48,6 +48,7 @@ Following inputs can be used as `step.with` keys
 | `pass-credentials`         | String | Pass credentials to all domains. set (Optional)                                                                                                             |
 | `username`                 | String | Chart repository username where to locate the requested chart.                                                                                              |
 | `password`                 | String | Chart repository password where to locate the requested chart.                                                                                              |
+| `use-secrets-vals`         | Boolean | Use secrets plugin using vals to evaluate the secrets                                                                                                      |
 
 ## Example 1 - local repo chart
 
@@ -118,6 +119,24 @@ Following inputs can be used as `step.with` keys
         ... (put your other arguments here)
 ```
 
+## Example 5 - Use secrets with vals backend
+```yaml
+    - name: Deploy Helm
+      uses: bitovi/[email protected]
+      with:
+        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+        aws-region: us-west-2
+        cluster-name: mycluster
+        config-files: .github/values/dev.yaml
+        chart-path: chart/
+        namespace: dev
+        values: key1=value1,key2=value2
+        name: release_name
+        use-secrets-vals: true
+        plugins: https://github.com/jkroepke/helm-secrets
+```
+
 ## Example Uninstall
 
 ```yaml

action.yaml

@@ -89,7 +89,9 @@ inputs:
     username:
         description: 'Chart repository username where to locate the requested chart.'
         required: false
-
+    use-secrets-vals:
+        description: 'Uses the secrets with vals backend to apply the chart'
+        required: false
 runs:
     using: 'docker'
     image: 'Dockerfile'
@@ -120,3 +122,4 @@ runs:
         REPO_USERNAME: ${{ inputs.username }}
         REPO_PASSWORD: ${{ inputs.password }}
         VERSION: ${{ inputs.version }}
+        USE_SECRETS_VALS: ${{ inputs.use-secrets-vals }}

deploy.sh

@@ -124,8 +124,13 @@ fi
 # Proceed with installation procedure
 
 if [ "${HELM_ACTION}" == "install" ]; then
-    # Upgrade or install the chart.  This does it all.
-    HELM_COMMAND="helm upgrade --install --create-namespace --timeout ${TIMEOUT}  ${HELM_AUTH}"
+
+    if [ -n "${USE_SECRETS_VALS}" ]; then
+      HELM_COMMAND="helm secrets --backend vals --evaluate-templates true upgrade --install --create-namespace --timeout ${TIMEOUT}  ${HELM_AUTH}"
+    else
+      # Upgrade or install the chart.  This does it all.
+      HELM_COMMAND="helm upgrade --install --create-namespace --timeout ${TIMEOUT}  ${HELM_AUTH}"
+    fi
 
     # If we should wait, then do so
     if [ -n "${HELM_WAIT}" ]; then