Add bump_mods.rb script to upgrade modules

dev-resources/bump_mods.rb

@@ -0,0 +1,65 @@
+# frozen_string_literal: true
+
+# Bump the module versions in the Puppetfile to the latest version
+# published on https://forge.puppet.com
+require 'open-uri'
+require 'pry'
+require 'rss'
+
+def parse_puppetfile_get_mod_versions
+  module_re = /^mod 'puppetlabs-([a-z_\-]+)', *'([0-9.]+)'$/i
+  versions = {}
+  File.foreach('Puppetfile') do |line|
+    match = module_re.match(line)
+    if match
+      versions[match[1].strip] = match[2].strip
+    end
+  end
+  versions
+end
+
+def latest_version_for_module(mod)
+  url = "https://forge.puppet.com/modules/puppetlabs/#{mod}/rss"
+  # rubocop:disable Security/Open
+  feed = RSS::Parser.parse(URI.open(url))
+  # rubocop:enable Security/Open
+
+  feed.items&.first&.description
+end
+
+# get modules to update
+versions_old = parse_puppetfile_get_mod_versions
+versions_new = {}
+
+versions_old.each do |mod, ver|
+  ver_new = latest_version_for_module(mod)
+
+  if !ver_new.nil? && (ver != ver_new)
+    versions_new[mod] = ver_new
+  end
+end
+
+def puppetfile_set_mod_versions!(versions_new)
+  module_re = /^mod 'puppetlabs-([a-z_\-]+)', *'([0-9.]+)'$/i
+  lines = File.open('Puppetfile').readlines
+
+  # update lines
+  lines.each do |line|
+    next unless line.start_with?("mod 'puppetlabs")
+    match = module_re.match(line)
+    next unless match
+    mod = match[1].strip
+    ver_old = match[2].strip
+    ver_new = versions_new[mod]
+    unless ver_new.nil?
+      line.gsub!(/'([0-9.]+)'/, "'#{ver_new}'")
+      puts "Updated #{mod} from #{ver_old} to #{ver_new}"
+    end
+  end
+
+  # update Puppetfile
+  File.open('Puppetfile', 'w').puts(lines.join)
+end
+
+# Update the Puppetfile with the new versions
+puppetfile_set_mod_versions!(versions_new)