Ability to provide app version from action for helm install (#74)

* Ability to provide app version from action for helm install

* Add ability to override chart version

* Fix

* Incorrect build condition

* Add parameters to readme

* Set correct versions in the `helm push` command

* Self-review fixes

Author: s-vitaliy

README.md

@@ -126,14 +126,16 @@ Allows to build helm chart and push it to remote container repository.
 This action relies on git tags to be present in order to generate an artifact tag.
 
 ### Inputs
-| Name                       | Description                                    | Optional | Default value |
-|----------------------------|:-----------------------------------------------|----------|---------------|
-| container_registry_address | Container registry address                     | False    |               |
-| application:               | Application name                               | False    |               |
-| container_registry_user    | Container registry username                    | False    |               |
-| container_registry_token   | Container registry access token                | False    |               |
-| helm_version               | Version of helm to install                     | True     | 3.9.2         |
-| helm_directory             | Location of helm chart related to project root | True     | .helm         |
+| Name                       | Description                                                                        | Optional | Default value |
+|----------------------------|:-----------------------------------------------------------------------------------|----------|---------------|
+| container_registry_address | Container registry address                                                         | False    |               |
+| application:               | Application name                                                                   | False    |               |
+| container_registry_user    | Container registry username                                                        | False    |               |
+| container_registry_token   | Container registry access token                                                    | False    |               |
+| helm_version               | Version of helm to install                                                         | True     | 3.9.2         |
+| helm_directory             | Location of helm chart related to project root                                     | True     | .helm         |
+| app_version                | Application version to use for the chart. If omitted, the latest tag will be used. | True     |               |
+| chart_version              | Chart version to use for the chart. If omitted, the latest tag will be used.       | True     |               |
 
 ### Outputs
 No outputs defined

build_helm_chart/action.yaml

@@ -32,6 +32,16 @@ inputs:
     required: false
     default: '.helm'
 
+  app_version:
+    description: Application version to use for the chart. If omitted, the latest tag will be used.
+    required: false
+    default: ''
+
+  chart_version:
+    description: Chart version to use for the chart. If omitted, the latest tag will be used.
+    required: false
+    default: ''
+
 runs:
   using: "composite"
   steps:
@@ -45,4 +55,6 @@ runs:
         REPO_LOGIN: ${{ inputs.container_registry_user }}
         REPO_TOKEN: ${{ inputs.container_registry_token }}
         APPLICATION: ${{ inputs.application }}
+        APP_VERSION: ${{ inputs.app_version }}
+        CHART_VERSION: ${{ inputs.chart_version }}
       shell: bash

build_helm_chart/build_chart.sh

@@ -16,11 +16,24 @@
 
 set -Eeuo pipefail
 
-appVersion=$(git describe --tags --abbrev=7)
-sed -i "s/appVersion: 0.0.0/appVersion: \"${appVersion:1}\"/" Chart.yaml
-sed -i "s/^version: .*/version: \"$appVersion\"/" Chart.yaml
+
+if [[ -z "$APP_VERSION" ]]; then
+  appVersion=$(git describe --tags --abbrev=7)
+else
+  appVersion="$APP_VERSION"
+fi;
+
+if [[ -z "$CHART_VERSION" ]]; then
+  chartVersion=$(git describe --tags --abbrev=7)
+else
+  chartVersion="$CHART_VERSION"
+fi;
+
+
+sed -i "s/appVersion: 0.0.0/appVersion: \"$appVersion\"/" Chart.yaml
+sed -i "s/^version: .*/version: \"$chartVersion\"/" Chart.yaml
 
 helm package .
 echo "$REPO_TOKEN" | helm registry login "$REPO_ADDRESS" --username "$REPO_LOGIN" --password-stdin
 echo "oci://$REPO_ADDRESS/helm/"
-helm push "$APPLICATION-$appVersion.tgz" "oci://$REPO_ADDRESS/helm/"
+helm push "$APPLICATION-$chartVersion.tgz" "oci://$REPO_ADDRESS/helm/"