Upgrade ruby and migrate to Github actions (#7)

* Upgrade ruby from 2.3 to 2.7
* Add GH action to run tests & publish to Coveralls
* Remove support for ruby 2.4
* Add GH action to release to rubygems
* Fix dependency versioning
* Add GH action to build/push docker image
* Rename docker repo prefix after moving to GH

.github/actions/rspec_tests/action.yml

@@ -0,0 +1,25 @@
+name: rspec-tests
+description: Composite action for rspec tests
+inputs:
+  github-token:
+    required: true
+runs:
+  using: composite
+  steps:
+    - name: Install bundler
+      shell: bash
+      # The bundler version used must match the one in the repo's gemspec
+      run: gem install bundler:2.2.19
+    - name: Bundle dependencies
+      shell: bash
+      run: bundle
+    - name: Run rspec tests
+      shell: bash
+      env:
+        CI: true
+      run: bundle exec rspec
+    - name: Use coveralls
+      uses: coverallsapp/github-action@1.1.3
+      with:
+        github-token: ${{ inputs.github-token }}
+        path-to-lcov: 'coverage/lcov.info'

.github/workflows/docker-build-push.yml

@@ -0,0 +1,62 @@
+name: Docker
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - v*
+
+env:
+  IMAGE_NAME: hammady/scaltainer
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push'
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Determine target image name
+        id: image-name
+        run: |
+          IMAGE_ID=ghcr.io/$IMAGE_NAME
+
+          # Strip git ref prefix from version
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+
+          # Strip "v" prefix from tag name
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+
+          # Use Docker `latest` tag convention
+          [ "$VERSION" == "master" ] && VERSION=latest
+
+          IMAGES=
+          IMAGES="$IMAGE_ID:$VERSION"$'\n'$IMAGES
+
+          # debug output
+          echo images $IMAGES
+          echo ::set-output name=images::"$IMAGES"
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          push: true
+          tags: ${{ steps.image-name.outputs.images }}

.github/workflows/rubygems-release.yml

@@ -0,0 +1,25 @@
+name: Release
+on:
+  push:
+    tags:
+      - v*
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '2.7'
+      - name: Install bundler
+        shell: bash
+        # The bundler version used must match the one in the repo's gemspec
+        run: gem install bundler:2.2.19
+      - name: Bundle dependencies
+        shell: bash
+        run: bundle
+      - name: Release gem
+        shell: bash
+        env:
+          RUBYGEMS_API_KEY: ${{ secrets.RUBYGEMS_API_KEY }}
+        run: ./publish.sh

.github/workflows/tests.yml

@@ -0,0 +1,24 @@
+name: 'Test'
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - v*
+  pull_request:
+    types: [opened, reopened, edited, synchronize]
+jobs:
+  test:
+    strategy:
+      matrix:
+        ruby_version: [2.5, 2.6, 2.7]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '${{ matrix.ruby_version }}'
+      - name: Run rspec tests
+        uses: ./.github/actions/rspec_tests
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

Dockerfile

@@ -1,6 +1,6 @@
-FROM ruby:2.3
+FROM ruby:2.7
 
-label maintainer="Hossam Hammady <github@hammady.net>"
+LABEL maintainer="Hossam Hammady <github@hammady.net>"
 
 ENV NEW_RELIC_LOG=stdout
 ENV NEW_RELIC_AUTOSTART_DENYLISTED_CONSTANTS=Scaltainer

Gemfile.lock

@@ -1,28 +1,22 @@
 PATH
   remote: .
   specs:
-    scaltainer (0.5.0)
-      docker-api
-      dotenv
-      excon (>= 0.47.0)
-      kubeclient
-      newrelic_rpm
-      prometheus-client
+    scaltainer (0.6.0)
+      docker-api (~> 2.1)
+      dotenv (~> 2.7)
+      excon (~> 0.47)
+      kubeclient (~> 4.9)
+      newrelic_rpm (~> 7.1)
+      prometheus-client (~> 2.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     coderay (1.1.1)
-    coveralls (0.8.21)
-      json (>= 1.8, < 3)
-      simplecov (~> 0.14.1)
-      term-ansicolor (~> 1.3)
-      thor (~> 0.19.4)
-      tins (~> 1.6)
     diff-lcs (1.3)
-    docile (1.1.5)
+    docile (1.4.0)
     docker-api (2.1.0)
       excon (>= 0.47.0)
       multi_json
@@ -45,7 +39,7 @@ GEM
     http-form_data (2.3.0)
     http-parser (1.2.3)
       ffi-compiler (>= 1.0, < 2.0)
-    json (2.3.1)
+    json (2.6.3)
     jsonpath (1.0.5)
       multi_json
       to_regexp (~> 0.2.1)
@@ -82,15 +76,12 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.6.0)
     rspec-support (3.6.0)
-    simplecov (0.14.1)
-      docile (~> 1.1.0)
+    simplecov (0.17.1)
+      docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.0)
-    term-ansicolor (1.6.0)
-      tins (~> 1.0)
-    thor (0.19.4)
-    tins (1.13.2)
+    simplecov-html (0.10.2)
+    simplecov-lcov (0.7.0)
     to_regexp (0.2.1)
     unf (0.1.4)
       unf_ext
@@ -100,12 +91,13 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (>= 2.2.10)
+  bundler (~> 2.2)
   coderay (~> 1.1)
-  coveralls (~> 0.8)
-  rake (>= 12.3.3)
+  rake (~> 13.0)
   rspec (~> 3.5)
   scaltainer!
+  simplecov (~> 0.17)
+  simplecov-lcov (~> 0.7)
 
 BUNDLED WITH
    2.2.19

README.md

@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/hammady/scaltainer.svg?branch=master)](https://travis-ci.org/hammady/scaltainer)
+![Build Status](https://github.com/hammady/scaltainer/actions/workflows/tests.yml/badge.svg)
 [![Coverage Status](https://coveralls.io/repos/github/hammady/scaltainer/badge.svg?service=github&branch=master)](https://coveralls.io/github/hammady/scaltainer?branch=master)
 [![Gem Version](https://badge.fury.io/rb/scaltainer.svg)](https://badge.fury.io/rb/scaltainer)
 
@@ -213,7 +213,7 @@ A service definition for scaltainer is typically something like this:
     version: '3.3'
     services:
       scaltainer:
-        image: rayyanqcri/scaltainer:latest
+        image: hammady/scaltainer:latest
         command: -f /scaltainer.yml --state-file /tmp/scaltainer-state.yml -w 60
         volumes:
           - /var/run/docker.sock:/var/run/docker.sock
@@ -282,7 +282,7 @@ Where scaltainer-kube.yaml has the following content:
             app: scaltainer
         spec:
           containers:
-          - image: rayyanqcri/scaltainer:latest
+          - image: hammady/scaltainer:latest
             name: scaltainer
             args:
               - -o

lib/scaltainer/version.rb

@@ -1,3 +1,3 @@
 module Scaltainer
-  VERSION = "0.5.0"
+  VERSION = "0.6.0"
 end

publish.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+if [ ! -z "$RUBYGEMS_API_KEY" ]; then
+  mkdir $HOME/.gem
+  creds="$HOME/.gem/credentials"
+  echo -e "---\n:rubygems_api_key: $RUBYGEMS_API_KEY" > $creds
+  chmod 0600 $creds
+fi
+
+gem build scaltainer.gemspec
+gem push scaltainer*.gem

scaltainer.gemspec

@@ -22,16 +22,17 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", ">= 2.2.10"
-  spec.add_development_dependency "rake", ">= 12.3.3"
-  spec.add_development_dependency 'rspec', '~> 3.5'
-  spec.add_development_dependency 'coderay', '~> 1.1'
-  spec.add_development_dependency 'coveralls', '~> 0.8'
+  spec.add_development_dependency "bundler", "~> 2.2"
+  spec.add_development_dependency "rake", "~> 13.0"
+  spec.add_development_dependency "rspec", "~> 3.5"
+  spec.add_development_dependency "coderay", "~> 1.1"
+  spec.add_development_dependency "simplecov", "~> 0.17"
+  spec.add_development_dependency "simplecov-lcov", "~> 0.7"
 
-  spec.add_runtime_dependency 'excon', '>= 0.47.0'
-  spec.add_runtime_dependency "docker-api"
-  spec.add_runtime_dependency "kubeclient"
-  spec.add_runtime_dependency "dotenv"
-  spec.add_runtime_dependency "prometheus-client"
-  spec.add_runtime_dependency "newrelic_rpm"
+  spec.add_runtime_dependency "excon", "~> 0.47"
+  spec.add_runtime_dependency "docker-api", "~> 2.1"
+  spec.add_runtime_dependency "kubeclient", "~> 4.9"
+  spec.add_runtime_dependency "dotenv", "~> 2.7"
+  spec.add_runtime_dependency "prometheus-client", "~> 2.1"
+  spec.add_runtime_dependency "newrelic_rpm", "~> 7.1"
 end

spec/spec_helper.rb

@@ -15,14 +15,24 @@
 # See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
 
 require 'simplecov'
-require 'coveralls'
-
-SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new [
-  SimpleCov::Formatter::HTMLFormatter,
-  Coveralls::SimpleCov::Formatter
-]
-
-SimpleCov.start
+require 'simplecov-lcov'
+
+SimpleCov.start do
+  if ENV['CI']
+    SimpleCov::Formatter::LcovFormatter.config do |config|
+      config.report_with_single_file = true
+      config.single_report_path = 'coverage/lcov.info'
+    end
+
+    SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new [
+      SimpleCov::Formatter::LcovFormatter
+    ]
+  else
+    SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new [
+      SimpleCov::Formatter::HTMLFormatter
+    ]
+  end
+end
 
 require 'scaltainer'