Move response_file and response_file_variables out of base package resource

Signed-off-by: Kapil Chouhan <kapil.chouhan@msystechnologies.com>

Fix for Move response_file and response_file_variables out of base package resource

Signed-off-by: Kapil Chouhan <kapil.chouhan@msystechnologies.com>

update require changes

Signed-off-by: Kapil Chouhan <kapil.chouhan@msystechnologies.com>

Updated require changes

Signed-off-by: Kapil Chouhan <kapil.chouhan@msystechnologies.com>

Fixed some unit test cases

Signed-off-by: Kapil Chouhan <kapil.chouhan@msystechnologies.com>

1 files changed, 131 insertions, 0 deletions

diff --git a/lib/chef/provider/package/deb.rb b/lib/chef/provider/package/deb.rb
new file mode 100644
index 0000000000..439127e18a
--- /dev/null
+++ b/lib/chef/provider/package/deb.rb
@@ -0,0 +1,131 @@
+#
+# Author:: Kapil Chouhan (<kapil.chouhan@msystechnologies.com>)
+# Copyright:: Copyright 2010-2019, Chef Software Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require "chef/provider/package"
+
+class Chef
+  class Provider
+    class Package
+      module Deb
+        def self.included(base)
+          base.class_eval do
+            use_multipackage_api
+
+            action :reconfig do
+              if current_resource.version.nil?
+                logger.trace("#{new_resource} is NOT installed - nothing to do")
+                return
+              end
+
+              unless new_resource.response_file
+                logger.trace("#{new_resource} no response_file provided - nothing to do")
+                return
+              end
+
+              if preseed_file = get_preseed_file(new_resource.package_name, current_resource.version)
+                converge_by("reconfigure package #{new_resource.package_name}") do
+                  preseed_package(preseed_file)
+                  multipackage_api_adapter(new_resource.package_name, current_resource.version) do |name, _version|
+                    reconfig_package(name)
+                  end
+                  logger.info("#{new_resource} reconfigured")
+                end
+              else
+                logger.trace("#{new_resource} preseeding has not changed - nothing to do")
+              end
+            end
+
+            # This method is used for getting preseed file
+            # it will return preseed file path or false if response_file is present
+            def prepare_for_installation
+              if new_resource.response_file && preseed_file = get_preseed_file(package_names_for_targets, versions_for_targets)
+                converge_by("preseed package #{package_names_for_targets}") do
+                  preseed_package(preseed_file)
+                end
+              end
+            end
+
+            def get_preseed_file(name, version)
+              resource = preseed_resource(name, version)
+              resource.run_action(:create)
+              logger.trace("#{new_resource} fetched preseed file to #{resource.path}")
+
+              if resource.updated_by_last_action?
+                resource.path
+              else
+                false
+              end
+            end
+
+            def preseed_resource(name, version)
+              # A directory in our cache to store this cookbook's preseed files in
+              file_cache_dir = Chef::FileCache.create_cache_path("preseed/#{new_resource.cookbook_name}")
+              # The full path where the preseed file will be stored
+              cache_seed_to = "#{file_cache_dir}/#{name}-#{version}.seed"
+
+              logger.trace("#{new_resource} fetching preseed file to #{cache_seed_to}")
+
+              if template_available?(new_resource.response_file)
+                logger.trace("#{new_resource} fetching preseed file via Template")
+                remote_file = Chef::Resource::Template.new(cache_seed_to, run_context)
+                remote_file.variables(new_resource.response_file_variables)
+              elsif cookbook_file_available?(new_resource.response_file)
+                logger.trace("#{new_resource} fetching preseed file via cookbook_file")
+                remote_file = Chef::Resource::CookbookFile.new(cache_seed_to, run_context)
+              else
+                message = "No template or cookbook file found for response file #{new_resource.response_file}"
+                raise Chef::Exceptions::FileNotFound, message
+              end
+
+              remote_file.cookbook_name = new_resource.cookbook_name
+              remote_file.source(new_resource.response_file)
+              remote_file.backup(false)
+              remote_file
+            end
+
+            def preseed_package(preseed_file)
+              logger.info("#{new_resource} pre-seeding package installation instructions")
+              run_noninteractive("debconf-set-selections", preseed_file)
+            end
+
+            def reconfig_package(name)
+              logger.info("#{new_resource} reconfiguring")
+              run_noninteractive("dpkg-reconfigure", *name)
+            end
+
+            # Runs command via shell_out with magic environment to disable
+            # interactive prompts.
+            def run_noninteractive(*command)
+              shell_out!(*command, env: { "DEBIAN_FRONTEND" => "noninteractive" })
+            end
+
+            private
+
+            def template_available?(path)
+              run_context.has_template_in_cookbook?(new_resource.cookbook_name, path)
+            end
+
+            def cookbook_file_available?(path)
+              run_context.has_cookbook_file_in_cookbook?(new_resource.cookbook_name, path)
+            end
+          end
+        end
+      end
+    end
+  end
+end