Initial version review

.dockerignore

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+.idea
+.code
+local
+bin
+.git
+.gitignore
+.github
+charts
+docs
+example
+Dockerfile
+.gitlab-ci.yml
+env.local
+docker-compose*
+Makefile
+README.md
+sonar-project.properties
+*.iml
+.dockerignore

.github/workflows/build.yml

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+on:
+  push:
+    paths-ignore:
+      - 'charts/**'
+      - 'example/**'
+      - 'docs/**'
+      - '/*.md'
+    branches:
+      - '*'
+  pull_request:
+    paths-ignore:
+      - 'example/**'
+      - 'charts/**'
+      - 'docs/**'
+      - '/*.md'
+  workflow_call:
+
+name: Build and test
+jobs:
+  build:
+    strategy:
+      matrix:
+        architecture: [amd64, arm64]
+        os: [linux, darwin]
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Go 1.21.x
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+          cache: true
+        id: go
+
+      - name: Download Go modules
+        run: go mod download
+        env:
+          GOPROXY: https://proxy.golang.org
+
+      - name: Build
+        run: GOOS=${{ matrix.os }} GOARCH=${{matrix.architecture}} go build ${{ env.LDFLAGS }} -o bin/node-undertaker-${{ matrix.os }}-${{ matrix.architecture }} ./cmd/node-undertaker
+
+      - name: Test
+        run: |
+          go get github.com/golang/mock/mockgen
+          go install github.com/golang/mock/mockgen
+          go generate ./...
+          go test ./...
+
+      - uses: actions/upload-artifact@v3
+        if: github.event_name != 'pull_request'
+        with:
+          name: node-undertaker-binaries
+          path: bin/node-undertaker-*
+          if-no-files-found: error

.github/workflows/codeql.yml

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+on:
+  schedule:
+    - cron: '5 11 * * 3'
+  push:
+    paths-ignore:
+      - 'charts/**'
+      - 'example/**'
+      - 'docs/**'
+      - '/*.md'
+    branches:
+      - 'main'
+      - 'release-*'
+  pull_request:
+    branches:
+      - 'main'
+      - 'release-*'
+    paths-ignore:
+      - 'charts/**'
+      - 'example/**'
+      - 'docs/**'
+      - '/*.md'
+  workflow_call:
+
+name: CodeQL analysis
+jobs:
+  codql-build:
+    permissions:
+      security-events: write
+    strategy:
+      matrix:
+        architecture: [amd64]
+        os: [linux]
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go 1.21.x
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.21.x
+          cache: true
+        id: go
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Download Go modules
+        run: go mod download
+        env:
+          GOPROXY: https://proxy.golang.org
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          languages: go
+
+      - name: Build
+        run: GOOS=${{ matrix.os }} GOARCH=${{matrix.architecture}} go build -o bin/node-undertaker ./cmd/node-undertaker
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2

.github/workflows/docker.yml

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+name: Build docker image
+
+on:
+  workflow_call:
+  push:
+    paths-ignore:
+      - 'charts/**'
+      - 'docs/**'
+      - 'example/**'
+      - '/*.md'
+    branches:
+      - '*'
+  pull_request:
+    paths-ignore:
+      - 'charts/**'
+      - 'example/**'
+      - 'docs/**'
+      - '/*.md'
+env:
+  # Use docker.io for Docker Hub if empty
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      # This is used to complete the identity challenge
+      # with sigstore/fulcio when running outside of PRs.
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      # Workaround: https://github.com/docker/build-push-action/issues/461
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@v3
+
+      # Login against a Docker registry except on PR
+      # https://github.com/docker/login-action
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
+            type=ref,event=tag
+            type=ref,event=branch
+            type=ref,event=pr
+
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64 #,darwin/arm64,darwin/amd64
+          build-args: ${{ github.event_name == 'push' && github.ref_type == 'tag' && format('RELEASE_VERSION={0}', github.ref_name) || '' }}
+          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:buildcache
+          cache-to: ${{ github.event_name != 'pull_request' && format( 'type=registry,ref={0}/{1}:buildcache,mode=max', env.REGISTRY, env.IMAGE_NAME ) || '' }}
+

.github/workflows/release-helm-chart.yml

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+on:
+  push:
+    paths:
+      - "charts/**"
+    branches:
+      - 'main'
+
+name: Release
+jobs:
+  create-helm-release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+
+      - name: Install Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.8.1
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.5.0
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

.github/workflows/release.yml

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+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+name: Release
+jobs:
+  docker-build:
+    uses: ./.github/workflows/docker.yml
+  build-and-test:
+    uses: ./.github/workflows/build.yml
+  create-release:
+    needs:
+      - docker-build
+      - build-and-test
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/download-artifact@v3
+      with:
+        name: node-undertaker-binaries
+        path: bin
+    - name: debug list files
+      run: find .
+    - name: Release
+      uses: softprops/action-gh-release@v1
+      with:
+        files: bin/node-undertaker*
+        append_body: true
+        body: |
+          Build also available as docker image:
+          `ghcr.io/${{ github.repository }}:${{ github.ref_name }}`

.gitignore

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+./bin
+bin/
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+**/mocks/*_mocks.go
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+
+.idea
+.code
+
+etcd-peers
+local/certs
+site/

.gitlab-ci.yml

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+variables:
+  TYPE: app
+
+image: golang:1.21
+
+include:
+  - project: shared-scripts/gitlab-ci
+    file: /autodevops-golang.yml
+    ref: v1
+
+# mockgen setup
+Test:
+  before_script:
+    - export PATH=$GOPATH/bin:$PATH
+    - go get github.com/golang/mock/mockgen
+    - go install github.com/golang/mock/mockgen
+Vet:
+  before_script:
+    - export PATH=$GOPATH/bin:$PATH
+    - go get github.com/golang/mock/mockgen
+    - go install github.com/golang/mock/mockgen
+Build:
+  before_script:
+    - export PATH=$GOPATH/bin:$PATH
+    - go get github.com/golang/mock/mockgen
+    - go install github.com/golang/mock/mockgen
+Dependency-Track:
+  before_script:
+  - export PATH=$GOPATH/bin:$PATH
+  - go get github.com/golang/mock/mockgen
+  - go install github.com/golang/mock/mockgen
+
+Docker Release:
+  variables:
+    PROJECT_VERSION: "${CI_COMMIT_REF_NAME}"
+
+Deploy Dev Manual:
+  rules:
+  - when: never
+
+Deploy Fat:
+  rules:
+    - when: never