CI for Testing and Publishing Exporter CLI / Image (#9)

* CI for Testing and Publishing Exporter CLI / Image

* fixing workflow

* testing cli via docker run

.github/workflows/exporter-build.yml

@@ -0,0 +1,100 @@
+name: "Ethminer Metrics Exporter"
+on:
+  pull_request:
+    branches:
+      - '**'
+    paths:
+      - 'ethminer-exporter/*'
+      - 'ethminer-exporter/**/*'
+      - .github/workflows/exporter-build.yml
+  push:
+    branches:
+      - main
+    paths:
+      - 'ethminer-exporter/*'
+      - 'ethminer-exporter/**/*'
+      - .github/workflows/exporter-build.yml
+jobs:
+  ci:
+    runs-on: ubuntu-18.04
+    name: CI
+    steps:
+      - name: git checkout
+        uses: actions/checkout@v2
+
+      - name: extract versions
+        id: versions
+        run: |
+          version=$(cat VERSION)
+          echo "::set-output name=git-tag::ethminer-exporter-v${version}"
+          echo "::set-output name=version::v${version}"
+          echo "::set-output name=dirty-version::v${version}-$(git rev-parse --short HEAD)"
+        working-directory: ethminer-exporter
+
+      - name: docker login
+        uses: azure/docker-login@v1
+        with:
+          login-server: ghcr.io
+          username: hfuss
+          password: ${{ secrets.PACKAGES_TOKEN }}
+
+      - name: test
+        run: |
+          make test
+          fmt=$(go fmt ./.../ | wc -l)
+          [[ "$fmt" -eq "0" ]]
+        working-directory: ethminer-exporter
+
+      - name: build
+        run: |
+          docker build . -f build/Dockerfile -t ghcr.io/hfuss/ethminer-exporter:${{ steps.versions.outputs.dirty-version }}
+          docker run -i ghcr.io/hfuss/ethminer-exporter:${{ steps.versions.outputs.dirty-version }} client --help
+          docker push ghcr.io/hfuss/ethminer-exporter:${{ steps.versions.outputs.dirty-version }}
+        working-directory: ethminer-exporter
+
+      - name: enforce new version
+        run: |
+          git ls-remote --exit-code origin --tags '${{ steps.versions.outputs.git-tag }}' && found=true
+          if [[ "${found}" == "true" ]]; then
+            echo "${{ steps.versions.outputs.git-tag }} tag already exists, please update the version and changelog"
+            exit 1
+          fi
+
+      - name: enforce changelog
+        if: ${{ github.event_name == 'pull_request' }}
+        uses: dangoslen/changelog-enforcer@v2
+        with:
+          changeLogPath: 'ethminer-exporter/CHANGELOG.md'
+          skipLabels: 'Skip-Changelog'
+          expectedLatestVersion: ${{ steps.versions.outputs.version }}
+
+      - name: extract changelog
+        id: changelog
+        uses: mindsers/changelog-reader-action@v2
+        with:
+          validation_depth: 10
+          version: ${{ steps.versions.outputs.version }}
+          path: ethminer-exporter/CHANGELOG.md
+
+      - name: tag images
+        run: |
+          docker tag ghcr.io/hfuss/ethminer-exporter:${{ steps.versions.outputs.dirty-version }} ghcr.io/hfuss/ethminer-exporter:${{ steps.versions.outputs.version }}
+          docker tag ghcr.io/hfuss/ethminer-exporter:${{ steps.versions.outputs.dirty-version }} ghcr.io/hfuss/ethminer-exporter:latest
+
+      - name: promote images
+        if: ${{ github.event_name == 'push' }}
+        run: |
+          docker push ghcr.io/hfuss/ethminer-exporter:${{ steps.versions.outputs.version }}
+          docker push ghcr.io/hfuss/ethminer-exporter:latest
+
+      - name: git release
+        uses: actions/create-release@v1
+        if: ${{ github.event_name == 'push' }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
+        with:
+          tag_name: ${{ steps.versions.outputs.git-tag }}
+          release_name: Ethminer Metrics Exporter ${{ steps.versions.outputs.version }} Release
+          body: ${{ steps.changelog.outputs.changes }}
+          draft: false
+          prerelease: false

.gitignore

@@ -13,3 +13,5 @@
 
 # Dependency directories (remove the comment below to include it)
 # vendor/
+
+**/build/_output/

ethminer-exporter/CHANGELOG.md

@@ -0,0 +1,28 @@
+# CHANGELOG
+
+Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+
+## Unreleased
+### Added
+- ...
+
+### Changed
+- ...
+
+### Removed
+- ...
+
+### Dependencies
+- ...
+
+## [v0.1.0]
+### Changed
+- `ApiClient` for interacting with the Ethminer JSON RPC 2.0 API
+- `MockServer` for mocking the Ethminer JSON RPC 2.0 API
+- CLI utility for testing client and mock API server
+
+### Dependencies
+- All dependencies are vendored
+- Retry library `github.com/avast/retry-go@v3.0.0`
+- CLI library and generator `github.com/spf13/cobra@v1.1.1`
+- JSON RPC 2.0 client and server library `github.com/sourcegraph/jsonrpc2@v0.0.0`

ethminer-exporter/Makefile

@@ -0,0 +1,21 @@
+.PHONY: build docker-build test clean all fmt
+
+all: build docker-build
+
+fmt:
+	go fmt ./.../
+
+test:
+	go test -cover -count=1 -v ./.../
+
+build/_output/bin/ethxporter:
+		mkdir -p build/_output/bin/
+		go build -a -tags netgo -mod=vendor -o build/_output/bin/ethxporter main.go
+
+build: build/_output/bin/ethxporter
+
+docker-build:
+	docker build . -f build/Dockerfile -t ethxporter
+
+clean:
+	rm -r build/_output/bin/ethxporter

ethminer-exporter/cmd/root.go

@@ -17,9 +17,10 @@ package cmd
 
 import (
 	"fmt"
-	"github.com/spf13/cobra"
 	"os"
 
+	"github.com/spf13/cobra"
+
 	homedir "github.com/mitchellh/go-homedir"
 	"github.com/spf13/viper"
 )
@@ -28,7 +29,7 @@ var cfgFile string
 
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
-	Use:   "ethminer-exporter",
+	Use:   "ethxporter",
 	Short: "A brief description of your application",
 	Long: `A longer description that spans multiple lines and likely contains
 examples and usage of using your application. For example:

miner/CHANGELOG.md

@@ -26,7 +26,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Changed
 - Enabling API server
 
-### Dependecies
+### Dependencies
 - Bump `https://github.com/ethereum-mining/ethminer` to `v0.19.0`
 
 ## [v0.1.0]