feat: move get release tag into composite action (#79)

.github/actions/get-release-tag/action.yml

@@ -0,0 +1,35 @@
+name: Get release tag from GitHub API
+description: This workflow will get the requested release tag specified in the input, or the latest release tag via the Github API
+inputs:
+  requested_release_tag:
+    description: The release tag to search for
+    required: false
+    type: string
+outputs:
+  release_tag:
+    description: The release tag
+    value: ${{ steps.get-release.outputs.result }}
+runs:
+  using: "composite"
+  steps:
+    - name: Get latest or specified release
+      uses: actions/github-script@v7
+      id: get-release
+      with:
+        retries: 3
+        result-encoding: string
+        script: |
+          let releaseObj;
+          if (${{ inputs.requested_release_tag != '' }}) {
+            releaseObj = await github.rest.repos.getReleaseByTag({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              tag: "${{ github.event.inputs.release_tag }}"
+            })
+          } else {
+            releaseObj = await github.rest.repos.getLatestRelease({
+              owner: context.repo.owner,
+              repo: context.repo.repo
+            })
+          }
+          return releaseObj.data.tag_name

.github/workflows/deploy-prod.yml

@@ -8,41 +8,25 @@ on:
 
 name: Deploy release to prod
 jobs:
+  get-release-tag:
+    runs-on: [ARM64, self-hosted, Linux]
+    environment: production
+    outputs:
+      release_tag: ${{ steps.get-release.outputs.release_tag}}
+    steps:
+      - name: Get latest or specified release
+        uses: chanzuckerberg/czid-graphql-federation-server/.github/actions/get-release-tag@main
+        id: get-release
+
   deploy-to-prod-env:
+    needs: get-release-tag
+    if: needs.get-release-tag.outputs.release_tag != ''
     runs-on: [ARM64, self-hosted, Linux]
     environment: production
     permissions:
       id-token: write
       contents: read
     steps:
-      - name: Get latest or specified release
-        uses: actions/github-script@v7
-        id: get-release
-        with:
-          retries: 3
-          result-encoding: string
-          script: |
-            let releaseObj;
-            if (${{ github.event.inputs.release_tag != '' }}) {
-              releaseObj = await github.rest.repos.getReleaseByTag({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                tag: "${{ github.event.inputs.release_tag }}"
-              })
-            } else {
-              releaseObj = await github.rest.repos.getLatestRelease({
-                owner: context.repo.owner,
-                repo: context.repo.repo
-              })
-            }
-            return releaseObj.data.tag_name
-      - name: Output Github Release
-        if: steps.get-release.outputs.result != ''
-        id: set-release-tag
-        run: |
-          parsed_tag_name=${{ steps.get-release.outputs.result }}
-          echo "Tag name is: $parsed_tag_name"
-          echo "release_tag=$parsed_tag_name\n" >> $GITHUB_OUTPUT
       - name: Checkout repository
         uses: actions/checkout@v3
         with: