Add github action using docker (theforeman#175)

.github/actions/action.yml

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+name: 'Build local dockerfile'
+description: 'Builds local dockerfile and runs the defailt action'
+runs:
+  using: 'docker'
+  image: '../images/Dockerfile'

.github/images/Dockerfile

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+FROM quay.io/centos/centos:stream8 AS base
+
+ENV PGHOST=postgres
+ENV PGUSER=foreman
+ENV PGPASS=foreman
+ENV RAILS_ENV=test
+ENV GIT_COMMITTER_NAME="gh_actions"
+ENV GIT_COMMITTER_EMAIL="gh_actions@foreman_virt_who_configure.foreman"
+ENV WORKDIR=/projects/foreman
+ENV BUNDLE_PATH=vendor/bundle
+
+RUN \
+  dnf module install -y ruby:2.7 postgresql:12;\
+  dnf install -y epel-release; \
+  dnf install -y redhat-rpm-config libpq-devel ruby-devel systemd-devel make tar libvirt-devel zlib-devel libxml2-devel openssl-libs libvirt-devel nodejs automake gcc gcc-c++ kernel-devel libcurl-devel sqlite-devel git postgresql-server-devel; \
+  git config --global user.name $GIT_COMMITTER_NAME; \
+  git config --global user.email $GIT_COMMITTER_EMAIL; \
+  mkdir /projects; \
+  cd /projects; \
+  git clone --depth 1 --branch 3.8-stable https://github.com/theforeman/foreman.git; \
+  git clone --depth 1 --branch master https://github.com/theforeman/foreman_virt_who_configure.git
+
+RUN \
+  cd /projects/foreman; \
+  echo "gemspec :path => '../foreman_virt_who_configure', :development_group => :dev" > bundler.d/foreman_virt_who_configure.local.rb; \
+  cp ../foreman_virt_who_configure/config/database.yml.example config/database.yml; \
+  cp ../foreman_virt_who_configure/config/Gemfile.lock.gh_test Gemfile.lock;
+
+WORKDIR /projects/foreman
+RUN \
+  bundle config path vendor/bundle; \
+
+RUN \
+  cd /projects/foreman; \
+  rm -rf Gemfile.lock; \
+  bundle install --jobs=3 --retry=3 --without journald development console
+
+COPY ./entrypoint.sh /usr/bin/
+
+RUN sed -i s/SCLS=/SCLS=\""$SCLS"\"/g /usr/bin/entrypoint.sh
+
+RUN chmod +x /usr/bin/entrypoint.sh
+
+COPY ./run_tests.sh /usr/bin/
+RUN chmod +x /usr/bin/run_tests.sh
+
+CMD ["/usr/bin/run_tests.sh"]
+
+ENTRYPOINT ["entrypoint.sh"]

.github/images/docker-compose.yaml

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+# version: "3"
+services:
+  postgres:
+    image: quay.io/jomitsch/postgres-with-evr
+    ports: ['5432:5432']
+    options: >-
+      --health-cmd pg_isready
+      --health-interval 10s
+      --health-timeout 5s
+      --health-retries 5
+    env:
+      POSTGRES_USER: foreman
+      POSTGRES_PASSWORD: foreman
+  foreman:
+    image: quay.io/shimshtein/tfm_plugin_test:foreman_2_5
+    volumes:
+      - ../../:/projects/foreman_virt_who_configure:Z
+    depends_on:
+      - "postgres"

.github/images/entrypoint.sh

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+#!/bin/bash
+export PATH=~/bin:${GEM_HOME}/bin:${PATH}
+
+SCLS=
+
+if [ -x "$(command -v scl_source)" ]; then
+  source scl_source enable $SCLS
+fi
+
+cd $WORKDIR
+exec "$@"

.github/images/run_tests.sh

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+#!/bin/bash
+
+bundle install
+
+# wait for postgres
+until PGPASSWORD=$PGPASS psql -h "$PGHOST" -U $PGUSER -c '\q'; do
+  >&2 echo "Postgres is unavailable - sleeping"
+  sleep 2
+done
+
+if [ "$( psql -tAc "SELECT 1 FROM pg_database WHERE datname='foreman-test'" )" = '1' ]
+then
+    echo "Database already exists"
+else
+    bundle exec rails db:create
+fi
+
+if [ "$( psql -tAc "SELECT 1 FROM pg_database WHERE datname='foreman-prod'" )" = '1' ]
+then
+    echo "Database already exists"
+else
+    bundle exec rails db:create RAILS_ENV=production
+fi
+
+bundle exec rails db:migrate
+
+set -e
+
+# bundle exec rake foreman_virt_who_configure:rubocop
+bundle exec rake test:foreman_virt_who_configure

.github/workflows/build_container_pr.yml

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+name: Build container for PR
+on:
+  pull_request:
+    paths:
+      - '**/.github/**/*'
+jobs:
+  build_test_container:
+    runs-on: ubuntu-latest
+
+    services:
+      postgres:
+        image: quay.io/jomitsch/postgres-with-evr
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        env:
+          POSTGRES_USER: foreman
+          POSTGRES_PASSWORD: foreman
+
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v2
+      - name: Build local dockerfile
+        uses: ./.github/actions/

.github/workflows/ruby_tests.yml

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+name: Ruby tests
+on:
+  push:
+    branches: [master]
+    paths-ignore:
+    - '**/.github/**/*'
+  pull_request:
+    branches: [master]
+    paths-ignore:
+    - '**/.github/**/*'
+
+defaults:
+  run:
+    working-directory: /projects/foreman
+
+jobs:
+  test_ruby:
+    defaults:
+      run:
+        working-directory: /projects/foreman
+    env:
+      PGHOST: postgres
+      PGUSER: foreman
+      PGPASS: foreman
+      RAILS_ENV: test
+      host: postgres
+      WORKDIR: /projects/foreman
+      BUNDLE_PATH: vendor/bundle
+      GIT_COMMITTER_NAME: "gh_actions"
+      GIT_COMMITTER_EMAIL: "gh_actions@virt_who_configure.foreman"
+
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/theforeman/tfm_plugin_test:foreman_3_7
+
+    services:
+      postgres:
+        image: quay.io/jomitsch/postgres-with-evr
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        env:
+          POSTGRES_USER: foreman
+          POSTGRES_PASSWORD: foreman
+
+    steps:
+      - name: Checkout foreman_virt_who_configure repo
+        uses: actions/checkout@v2
+        with:
+          path: ${{ github.workspace }}/projects/foreman_virt_who_configure
+      - name: Fix git config
+        run: |
+          rm -rf /projects/foreman_virt_who_configure/{app,test,lib}
+          cp -Rf $GITHUB_WORKSPACE/projects/foreman_virt_who_configure /projects/
+          cd /projects/foreman
+          /usr/bin/entrypoint.sh git config --global user.name $GIT_COMMITTER_NAME
+          /usr/bin/entrypoint.sh git config --global user.email $GIT_COMMITTER_EMAIL
+      - name: Run tests suite
+        run: |
+          cd /projects/foreman
+          /usr/bin/entrypoint.sh /usr/bin/run_tests.sh