1 files changed, 151 insertions, 0 deletions
diff --git a/knife/lib/chef/knife/cookbook_delete.rb b/knife/lib/chef/knife/cookbook_delete.rb
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+++ b/knife/lib/chef/knife/cookbook_delete.rb
@@ -0,0 +1,151 @@
+#
+# Author:: Adam Jacob (<adam@chef.io>)
+# Copyright:: Copyright (c) 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_relative "../knife"
+
+class Chef
+  class Knife
+    class CookbookDelete < Knife
+
+      attr_accessor :cookbook_name, :version
+
+      deps do
+        require "chef/cookbook_version" unless defined?(Chef::CookbookVersion)
+      end
+
+      option :all, short: "-a", long: "--all", boolean: true, description: "Delete all versions of the cookbook."
+
+      option :purge, short: "-p", long: "--purge", boolean: true, description: "Permanently remove files from backing data store."
+
+      banner "knife cookbook delete COOKBOOK VERSION (options)"
+
+      def run
+        confirm("Files that are common to multiple cookbooks are shared, so purging the files may disable other cookbooks. Are you sure you want to purge files instead of just deleting the cookbook") if config[:purge]
+        @cookbook_name, @version = name_args
+        if @cookbook_name && @version
+          delete_explicit_version
+        elsif @cookbook_name && config[:all]
+          delete_all_versions
+        elsif @cookbook_name && @version.nil?
+          delete_without_explicit_version
+        elsif @cookbook_name.nil?
+          show_usage
+          ui.fatal("You must provide the name of the cookbook to delete.")
+          exit(1)
+        end
+      end
+
+      def delete_explicit_version
+        delete_object(Chef::CookbookVersion, "#{@cookbook_name} version #{@version}", "cookbook") do
+          delete_request("cookbooks/#{@cookbook_name}/#{@version}")
+        end
+      end
+
+      def delete_all_versions
+        confirm("Do you really want to delete all versions of #{@cookbook_name}")
+        delete_all_without_confirmation
+      end
+
+      def delete_all_without_confirmation
+        # look up the available versions again just in case the user
+        # got to the list of versions to delete and selected 'all'
+        # and also a specific version
+        @available_versions = nil
+        Array(available_versions).each do |version|
+          delete_version_without_confirmation(version)
+        end
+      end
+
+      def delete_without_explicit_version
+        if available_versions.nil?
+          # we already logged an error or 2 about it, so just bail
+          exit(1)
+        elsif available_versions.size == 1
+          @version = available_versions.first
+          delete_explicit_version
+        else
+          versions_to_delete = ask_which_versions_to_delete
+          delete_versions_without_confirmation(versions_to_delete)
+        end
+      end
+
+      def available_versions
+        @available_versions ||= rest.get("cookbooks/#{@cookbook_name}").map do |name, url_and_version|
+          url_and_version["versions"].map { |url_by_version| url_by_version["version"] }
+        end.flatten
+      rescue Net::HTTPClientException => e
+        if /^404/.match?(e.to_s)
+          ui.error("Cannot find a cookbook named #{@cookbook_name} to delete.")
+          nil
+        else
+          raise
+        end
+      end
+
+      def ask_which_versions_to_delete
+        question = "Which version(s) do you want to delete?\n"
+        valid_responses = {}
+        available_versions.each_with_index do |version, index|
+          valid_responses[(index + 1).to_s] = version
+          question << "#{index + 1}. #{@cookbook_name} #{version}\n"
+        end
+        valid_responses[(available_versions.size + 1).to_s] = :all
+        question << "#{available_versions.size + 1}. All versions\n\n"
+        responses = ask_question(question).split(",").map(&:strip)
+
+        if responses.empty?
+          ui.error("No versions specified, exiting")
+          exit(1)
+        end
+        versions = responses.map do |response|
+          if version = valid_responses[response]
+            version
+          else
+            ui.error("#{response} is not a valid choice, skipping it")
+          end
+        end
+        versions.compact
+      end
+
+      def delete_version_without_confirmation(version)
+        object = delete_request("cookbooks/#{@cookbook_name}/#{version}")
+        output(format_for_display(object)) if config[:print_after]
+        ui.info("Deleted cookbook[#{@cookbook_name}][#{version}]")
+      end
+
+      def delete_versions_without_confirmation(versions)
+        versions.each do |version|
+          if version == :all
+            delete_all_without_confirmation
+            break
+          else
+            delete_version_without_confirmation(version)
+          end
+        end
+      end
+
+      private
+
+      def delete_request(path)
+        path += "?purge=true" if config[:purge]
+        rest.delete(path)
+      end
+
+    end
+  end
+end