Merge pull request EESSI#29 from bedroge/ansible_ci

CI for testing compatibility layer installation playbook

.github/actions/install_compatibility_layer/Dockerfile

@@ -0,0 +1,9 @@
+FROM awesomebytes/gentoo_prefix_boostrapped
+
+USER root
+RUN apt-get install -y python3-pip
+RUN pip3 install ansible
+
+COPY entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

.github/actions/install_compatibility_layer/action.yml

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+# action.yml
+name: 'Install EESSI compatibility layer'
+description: 'Use Ansible playbook to install the EESSI compatibility layer inside a Gentoo Prefix Docker container'
+inputs:
+  gentoo-prefix-path:  
+    description: 'Path to the Gentoo Prefix installation'
+    required: true
+    default: '/tmp/gentoo'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.gentoo-prefix-path }}

.github/actions/install_compatibility_layer/entrypoint.sh

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+#!/bin/bash -l
+
+cat << EOF > hosts
+[cvmfsstratum0servers]
+127.0.0.1
+EOF
+
+ansible-playbook --connection=local --inventory=hosts -e ansible_python_interpreter=python3 -e gentoo_prefix_path=$1 ${GITHUB_WORKSPACE}/ansible/playbooks/install.yml
+
+# A successful installation should at least have Lmod and archspec,
+# so let's  check if we can use them.
+source $1/usr/lmod/lmod/init/profile
+module avail
+$1/usr/bin/archspec cpu

.github/workflows/install_compatibility_layer.yml

@@ -0,0 +1,27 @@
+name: Install compatibility layer
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  push:
+    branches: [ master ]
+    paths:
+    - 'ansible/playbooks/**'
+  pull_request:
+    branches: [ master ]
+    paths:
+    - 'ansible/playbooks/**'
+
+jobs:
+  install_compat_layer:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    steps:
+    # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+    - uses: actions/checkout@v2
+
+    - name: Run install.yml playbook in Docker container
+      uses: ./.github/actions/install_compatibility_layer
+      with:
+        gentoo-prefix-path: '/tmp/gentoo'

ansible/playbooks/README.md

@@ -1,3 +1,6 @@
+![Ansible Lint](https://github.com/EESSI/compatibility-layer/workflows/Ansible%20Lint/badge.svg)
+![Install compatibility layer](https://github.com/EESSI/compatibility-layer/workflows/Install%20compatibility%20layer/badge.svg)
+
 # Ansible role/playbooks for installing the compatibility layer
 
 This directory contains an Ansible role (`compatibility-layer`) in the subdirectory `roles` which has

ansible/playbooks/roles/compatibility-layer/tasks/main.yml

@@ -1,7 +1,8 @@
-# TODO: when startprefix does not exist
-# use container to install prefix?
-#- include_tasks: install_prefix.yml
-
+# Main task which:
+# - checks the given path for a Prefix installation,
+# - starts (and publishes at the end) a CVMFS transaction, if requested,
+# - calls the tasks for adding the overlay and installation of sets and packages.
+---
 - name: Check if a Prefix installation is found at the specified location
   stat:
     path: "{{ gentoo_prefix_path }}/usr/bin/emerge"