Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/mariadb/libraries/mariadb_helper.rb

@@ -0,0 +1,78 @@
+# MariaDB is a module containing mariadb cookbook helper
+module MariaDB
+  # Helper module for mariadb cookbook
+  module Helper
+    require 'socket'
+    require 'timeout'
+
+    def do_port_connect(ip, port)
+      s = TCPSocket.new(ip, port)
+      s.close
+      true
+    rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH
+      false
+    end
+
+    def port_open?(ip, port)
+      begin
+        Timeout.timeout(5) do
+          return do_port_connect(ip, port)
+        end
+      rescue Timeout::Error
+        false
+      end
+      false
+    end
+
+    # Trying to determine if we need to restart the mysql service
+    def mariadb_service_restart_required?(ip, port, _socket)
+      restart = false
+      restart = true unless port_open?(ip, port)
+      restart
+    end
+
+    # Helper to determine if running operating system shipped a package for
+    # mariadb server & client. No galera shipped in any os yet.
+    # @param [String] os_platform Indicate operating system type, e.g. centos
+    # @param [String] os_version Indicate operating system version, e.g. 7.0
+    def os_package_provided?(os_platform, os_version)
+      package_provided = false
+      case os_platform
+      when 'centos', 'redhat'
+        package_provided = true if os_version.to_i == 7
+      when 'fedora'
+        package_provided = true if os_version.to_i >= 19
+      end
+      package_provided
+    end
+
+    # Helper to determine mariadb server service name shipped by native package
+    # If no native package available on this platform, return nil
+    # @param [String] os_platform Indicate operating system type, e.g. centos
+    # @param [String] os_version Indicate operating system version, e.g. 7.0
+    def os_service_name(os_platform, os_version)
+      return nil unless os_package_provided?(os_platform, os_version)
+      service_name = 'mariadb'
+      if os_platform == 'fedora' && os_version.to_i >= 19
+        service_name = 'mysqld'
+      end
+      service_name
+    end
+
+    # Helper to determine whether to use os native package
+    # @param [Boolean] prefer_os Indicate whether to prefer os native package
+    # @param [String] os_platform Indicate operating system type, e.g. centos
+    # @param [String] os_version Indicate operating system version, e.g. 7.0
+    def use_os_native_package?(prefer_os, os_platform, os_version)
+      return false unless prefer_os
+      if os_package_provided?(os_platform, os_version)
+        true
+      else
+        Chef::Log.warn 'prefer_os_package detected, but no native mariadb'\
+          " package available on #{os_platform}-#{os_version}."\
+          ' Fall back to use community package.'
+        false
+      end
+    end
+  end
+end

cookbooks/mariadb/libraries/matchers.rb

@@ -0,0 +1,21 @@
+if defined?(ChefSpec)
+  def add_mariadb_configuration(resource_name)
+    ChefSpec::Matchers::ResourceMatcher
+      .new(:mariadb_configuration, :add, resource_name)
+  end
+
+  def remove_mariadb_configuration(resource_name)
+    ChefSpec::Matchers::ResourceMatcher
+      .new(:mariadb_configuration, :remove, resource_name)
+  end
+
+  def add_mariadb_replication(resource_name)
+    ChefSpec::Matchers::ResourceMatcher
+      .new(:mariadb_replication, :add, resource_name)
+  end
+
+  def remove_mariadb_replication(resource_name)
+    ChefSpec::Matchers::ResourceMatcher
+      .new(:mariadb_replication, :remove, resource_name)
+  end
+end