* added release preparation script and Action to create new Tag after completed Pull Request

* Added release Action to extract release note and publish terraform provider (disabled for now)

Author: artur-kacen

.github/workflows/create-release-tag.yaml

@@ -0,0 +1,37 @@
+---
+name: Create Release Tag
+
+permissions:
+  contents: read
+  pull-requests: read
+
+on:
+  pull_request:
+    types: ['closed']
+    branches:
+      - 'release-prep/**'
+    paths:
+      - 'CHANGELOG.md'
+
+concurrency:
+  group: 'create-release-${{ github.head_ref }}'
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: Create Release Tag
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get branch name
+        run: echo "BRANCH_NAME=${GITHUB_REF#refs/heads/release-prep/}" >> $GITHUB_ENV
+      - name: Create tag
+        uses: actions/github-script@v5
+        with:
+          script: |
+            echo "Creating tag v${{ env.BRANCH_NAME }}"
+            github.rest.git.createRef({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              ref: 'refs/tags/v${{ env.BRANCH_NAME }}',
+              sha: context.sha
+            })

.github/workflows/release.yaml

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+---
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
+
+permissions:
+  contents: write
+
+jobs:
+  release-notes:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Generate Release Notes
+        run: sed -n -e "1{/# /d;}" -e "2{/^$/d;}" -e "/# $(git describe --abbrev=0 --exclude="$(git describe --abbrev=0 --match='v*.*.*' --tags)" --match='v*.*.*' --tags | tr -d v)/q;p" CHANGELOG.md > release-notes.txt
+      - uses: actions/upload-artifact@v4
+        with:
+          name: release-notes
+          path: release-notes.txt
+          retention-days: 1
+
+# TODO: enable when GPG key will be imported
+#  terraform-provider-release:
+#    name: Terraform Provider Release
+#    needs: [release-notes]
+#    uses: hashicorp/ghaction-terraform-provider-release/.github/workflows/hashicorp.yml@v5.0.0
+#    secrets:
+#      gpg-private-key: '${{ secrets.GPG_PRIVATE_KEY }}'
+#    with:
+#      setup-go-version-file: 'go.mod'
+#      release-notes: true
+#      goreleaser-release-args: --timeout 2h --verbose --parallelism 4

scripts/prepare-release.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# Uncomment to print commands instead of executing them
+#debug="echo "
+
+TRUNK="main"
+DATE="$(date '+%B %d, %Y')"
+
+BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+if [[ "${BRANCH}" != "${TRUNK}" ]]; then
+  echo "Release must be prepped on \`${TRUNK}\` branch." >&2
+  exit 1
+fi
+
+echo "Preparing changelog for release..."
+
+if [[ ! -f CHANGELOG.md ]]; then
+  echo "Error: CHANGELOG.md not found."
+  exit 2
+fi
+
+RELEASE="$(sed -r -n 's/^## v?([0-9.]+) \(Unreleased\)/\1/p' CHANGELOG.md)"
+if [[ "${RELEASE}" == "" ]]; then
+  echo "Error: could not determine next release in CHANGELOG.md" >&2
+  exit 3
+fi
+
+
+# Ensure latest changes are checked out
+( set -x; ${debug}git pull --rebase origin "${TRUNK})" )
+
+# Set the date for the latest release
+( set -x; ${debug}sed -r "s/^(## \[[0-9.]+\]) \(Unreleased\)/\1 (${DATE})/i" CHANGELOG.md )
+
+echo "Preparing release v${RELEASE}..."
+
+(
+  set -x
+  ${debug}git checkout -b "release-prep/${RELEASE}"
+  ${debug}git add CHANGELOG.md
+  ${debug}git commit -m "Prepare release v${RELEASE}"
+  ${debug}git push origin"
+)
+
+