Merge pull request #385 from carabasdaniel/dockermatrix

Add docker images to matrix from metadata

exe/matrix_from_metadata_v2

@@ -0,0 +1,105 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+# this script creates a build matrix for github actions from the claimed supported platforms and puppet versions in metadata.json
+
+require 'json'
+
+IMAGE_TABLE = {
+  'RedHat-7' => 'rhel-7',
+  'RedHat-8' => 'rhel-8',
+  'SLES-12' => 'sles-12',
+  'SLES-15' => 'sles-15',
+  'Windows-2012 R2' => 'windows-2012-r2-core',
+  'Windows-2016' => 'windows-2016',
+  'Windows-2019' => 'windows-2019-core',
+}.freeze
+
+DOCKER_PLATFORMS = {
+  'CentOS-6' => 'litmusimage/centos:6',
+  'CentOS-7' => 'litmusimage/centos:7',
+  'CentOS-8' => 'litmusimage/centos:8',
+  'Debian-10' => 'litmusimage/debian:10',
+  'Debian-8' => 'litmusimage/debian:8',
+  'Debian-9' => 'litmusimage/debian:9',
+  'OracleLinux-6' => 'litmusimage/oraclelinux:6',
+  'OracleLinux-7' => 'litmusimage/oraclelinux:7',
+  'Scientific-6' => 'litmusimage/scientificlinux:6',
+  'Scientific-7' => 'litmusimage/scientificlinux:7',
+  'Ubuntu-14.04' => 'litmusimage/ubuntu:14.04',
+  'Ubuntu-16.04' => 'litmusimage/ubuntu:16.04',
+  'Ubuntu-18.04' => 'litmusimage/ubuntu:18.04',
+  'Ubuntu-20.04' => 'litmusimage/ubuntu:20.04',
+}.freeze
+
+# This table uses the latest version in each collection for accurate
+# comparison when evaluating puppet requirements from the metadata
+COLLECTION_TABLE = {
+  '6.24.0' => 'puppet6-nightly',
+  '7.4.0' => 'puppet7-nightly',
+}.freeze
+
+matrix = {
+  platforms: [],
+  collection: [],
+}
+
+metadata = JSON.parse(File.read('metadata.json'))
+# Set platforms based on declared operating system support
+metadata['operatingsystem_support'].sort_by { |a| a['operatingsystem'] }.each do |sup|
+  os = sup['operatingsystem']
+  sup['operatingsystemrelease'].sort_by { |a| a.to_i }.each do |ver|
+    image_key = "#{os}-#{ver}"
+    if IMAGE_TABLE.key? image_key
+      matrix[:platforms] << {
+        label: image_key,
+        provider: 'provision::provision_service',
+        image: IMAGE_TABLE[image_key],
+      }
+    elsif DOCKER_PLATFORMS.key? image_key
+      matrix[:platforms] << {
+        label: image_key,
+        provider: 'provision::docker',
+        image: DOCKER_PLATFORMS[image_key],
+      }
+    else
+      puts "::warning::Cannot find image for #{image_key}"
+    end
+  end
+end
+
+# Set collections based on puppet version requirements
+if metadata.key?('requirements') && metadata['requirements'].length.positive?
+  metadata['requirements'].each do |req|
+    next unless req.key?('name') && req.key?('version_requirement') && req['name'] == 'puppet'
+
+    ver_regexp = %r{^([>=<]{1,2})\s*([\d.]+)\s+([>=<]{1,2})\s*([\d.]+)$}
+    match = ver_regexp.match(req['version_requirement'])
+    if match.nil?
+      puts "::warning::Didn't recognize version_requirement '#{req['version_requirement']}'"
+      break
+    end
+
+    cmp_one, ver_one, cmp_two, ver_two = match.captures
+    reqs = ["#{cmp_one} #{ver_one}", "#{cmp_two} #{ver_two}"]
+
+    COLLECTION_TABLE.each do |key, val|
+      if Gem::Requirement.create(reqs).satisfied_by?(Gem::Version.new(key))
+        matrix[:collection] << val
+      end
+    end
+  end
+end
+
+# Set to defaults (all collections) if no matches are found
+if matrix[:collection].empty?
+  matrix[:collection] = COLLECTION_TABLE.values
+end
+
+# Just to make sure there aren't any duplicates
+matrix[:platforms] = matrix[:platforms].uniq.sort { |a, b| a[:label] <=> b[:label] }
+matrix[:collection] = matrix[:collection].uniq.sort
+
+puts "::set-output name=matrix::#{JSON.generate(matrix)}"
+
+puts "Created matrix with #{matrix[:platforms].length * matrix[:collection].length} cells."