Ops 6635 image version chart release option (#25)

* adapted chart-release.yaml with omit option

* Update chart-release.yaml typo

* Update chart-release.yaml

* Update chart-release.yaml env.image tag {{ removed

* Update chart-release.yaml

.github/workflows/chart-release.yaml

@@ -35,7 +35,7 @@ on:
         required: false
         default: ""
       image_tag_generation:
-        description: "Generation of the image tag: ticket_from_branch(default), commit_hash or version_git_tag, specified"
+        description: "Generation of the image tag: ticket_from_branch(default), commit_hash or version_git_tag, specified, chart_yaml"
         required: false
         type: string
         default: "ticket_from_branch"
@@ -128,6 +128,8 @@ jobs:
             image_tag="sha-$(echo ${GITHUB_SHA} | cut -c1-7)"
           elif [[ "${{ inputs.image_tag_generation }}" == 'specified' ]]; then
             image_tag="${{ inputs.image_tag }}"
+          elif [[ "${{ inputs.image_tag_generation }}" == 'chart_yaml' ]]; then
+            echo "image_tag specification ommited, helm uses value from chart.yaml"
           fi
           echo "image_tag=$image_tag" >> $GITHUB_ENV
 
@@ -136,7 +138,7 @@ jobs:
 
       - name: Prepare Helm Chart
         run:  |
-          helm package ${{ inputs.chart_path }}/${{ inputs.chart_name }} -d helm-charts-registry --app-version ${{ env.image_tag }} ${{ inputs.helm_chart_version_generation != 'chart_yaml' && '--version $chart_version' || '' }}
+          helm package ${{ inputs.chart_path }}/${{ inputs.chart_name }} -d helm-charts-registry  ${{ inputs.image_tag_generation != 'chart_yaml' && '--app-version $image_tag' || '' }} ${{ inputs.helm_chart_version_generation != 'chart_yaml' && '--version $chart_version' || '' }}
           cd helm-charts-registry
           if [ -d "automation/${{ inputs.chart_name }}" ]; then rm -r automation/${{ inputs.chart_name }}; fi
           tar -xzf ${{ inputs.chart_name }}*.tgz