Merge branch 'CID-449-fix_expiration' into bug_fix

devops-client/lib/devops-client/handler/deploy.rb

@@ -20,13 +20,16 @@ class Deploy < Handler
   end
 
   def deploy_handler args
-    tags = options[:tags]
     names = args[1..-1]
     if names.empty?
       @options_parser.invalid_deploy_command
       abort()
     end
-    job_ids = post("/deploy", :names => names, :tags => tags)
+    job_ids = post("/deploy",
+      names: names,
+      tags: options[:tags],
+      named_task: options[:named_task]
+    )
     reports_urls(job_ids)
   end
 

devops-client/lib/devops-client/options/deploy_options.rb

@@ -13,11 +13,12 @@ class DeployOptions < CommonOptions
   def deploy_options
     options do |parser, options|
       parser.banner << self.banner
+      parser.resource_name = :deploy
 
-      parser.recognize_option_value(:tag, resource_name: :deploy, variable_name: 'TAG1,TAG2...') do |tags|
+      parser.recognize_option_value(:tag, variable: 'TAG1,TAG2...') do |tags|
         options[:tags] = tags.split(",")
       end
-
+      parser.recognize_option_value(:named_task)
     end
   end
 

devops-client/locales/en.yml

@@ -314,6 +314,7 @@ en:
     descriptions:
       deploy:
         tag: 'Tag names, comma separated list'
+        named_task: Name of task to run
       image:
         provider: Image provider
         image_id: Image identifier

devops-service/app/api2/handlers/deploy.rb

@@ -33,6 +33,7 @@ module Devops
             begin
               deploy_info = create_deploy_info(s, project, body["build_number"])
               deploy_info["run_list"] = run_list if run_list
+              deploy_info["named_task"] = body["named_task"]
 
               jid = Worker.start_async(DeployWorker,
                 server_attrs: s.to_hash,
@@ -117,6 +118,7 @@ module Devops
             @deploy_info_buf[buf_key] = project.deploy_info(deploy_env_model, build_number)
           end
         end
+
       end
     end
   end

devops-service/app/api2/handlers/project.rb

@@ -5,7 +5,6 @@ require "app/api2/parsers/project"
 require "lib/project/type/types_factory"
 require "lib/executors/server_executor"
 require "workers/delete_server_worker"
-
 require_relative "../helpers/version_2.rb"
 require_relative "request_handler"
 

devops-service/app/api2/parsers/deploy.rb

@@ -12,6 +12,7 @@ module Devops
           build_number = check_string(r["build_number"], "Parameter 'build_number' should be a not empty string", true)
           rl = check_array(r["run_list"], "Parameter 'run_list' should be an array of string", String, true)
           Validators::Helpers::RunList.new(rl).validate! unless rl.nil?
+          check_string(r["named_task"], "Parameter 'named_task' should be a not empty string", true)
           r
         end
 

devops-service/app/api2/routes/project.rb

@@ -87,28 +87,12 @@ module Devops
           #     - Content-Type: application/json
           #   - body :
           #     {
-          #       "deploy_envs": [
+          #       "run_list": [],
-          #         {
+          #       "description": "Description",
-          #           "identifier": "dev",
+          #       "named_tasks": [{
-          #           "provider": "openstack",
+          #         "name": "restart",
-          #           "flavor": "m1.small",
+          #         "run_list": ["role[restart_service]"]
-          #           "image": "image id",
+          #       }]
-          #           "subnets": [
-          #             "private"
-          #           ],
-          #           "groups": [
-          #             "default"
-          #           ],
-          #           "users": [
-          #             "user"
-          #           ],
-          #           "run_list": [
-          #
-          #           ],
-          #           "expires": null
-          #         }
-          #       ],
-          #       "name": "project_1"
           #     }
           #
           # * *Returns* :

devops-service/db/mongo/connectors/project.rb

@@ -135,13 +135,16 @@ module Connectors
     end
 
     def project_update id, params
-      keys = %w(run_list description)
+      params.keep_if {|k,v| permitted_project_fields.include?(k)}
-      params.delete_if{|k,v| !keys.include?(k)}
       @collection.update({"_id" => id}, {'$set' => params })
     end
 
     private
 
+    def permitted_project_fields
+      %w(run_list description named_tasks)
+    end
+
     def list(query={}, query_options={})
       @collection.find(query, query_options).to_a.map {|bson| model_from_bson(bson)}
     end

devops-service/db/mongo/models/deploy_env/deploy_env_base.rb

@@ -30,9 +30,6 @@ module Devops
                                      ::Validators::FieldValidator::FieldType::String,
                                      ::Validators::FieldValidator::Expires]
 
-      set_field_validators :chef_client_options, [::Validators::FieldValidator::Nil,
-                                     ::Validators::FieldValidator::FieldType::String]
-
       def initialize d={}
         self.identifier = d["identifier"]
         set_provider(d)
@@ -41,7 +38,6 @@ module Devops
         self.expires = d["expires"]
         b = d["users"] || []
         self.users = b.uniq
-        self.chef_client_options = d["chef_client_options"]
       end
 
       def to_hash
@@ -49,8 +45,7 @@ module Devops
           "identifier" => self.identifier,
           "run_list" => self.run_list,
           "expires" => self.expires,
-          "users" => self.users,
+          "users" => self.users
-          "chef_client_options" => self.chef_client_options
         }.merge(provider_hash)
       end
 

devops-service/db/mongo/models/project.rb

@@ -41,12 +41,23 @@ module Devops
                                       ::Validators::FieldValidator::FieldType::Array,
                                       ::Validators::FieldValidator::RunList]
 
+      # should be an array of hashes like:
+      # {
+      #   'name' => 'restart',
+      #   'run_list' => [
+      #     'role[restart_service]'
+      #   ]
+      # }
+      set_field_validators :named_tasks, [::Validators::FieldValidator::Nil,
+                                    ::Validators::FieldValidator::FieldType::Array,
+                                    ::Validators::FieldValidator::NamedTasks]
+
       set_validators ::Validators::DeployEnv::RunList,
                      ::Validators::DeployEnv::DeployEnvs
 
 
       def self.fields
-        ["deploy_envs", "type", "description"]
+        ["deploy_envs", "type", "description", "named_tasks"]
       end
 
       def initialize p={}
@@ -56,6 +67,7 @@ module Devops
         self.description = p["description"]
         self.archived = p["archived"] || false
         self.run_list = p["run_list"] || []
+        self.named_tasks = p["named_tasks"] || []
 
         @handler = Devops::TypesFactory.type self.type
         @handler.prepare(self)
@@ -174,6 +186,7 @@ module Devops
         h["archived"] = self.archived if self.archived
         h["description"] = self.description
         h["run_list"] = self.run_list
+        h["named_tasks"] = self.named_tasks
         if self.multi?
           h["type"] = MULTI_TYPE
         end

devops-service/db/validators/field_validators/named_tasks.rb

@@ -0,0 +1,65 @@
+require_relative "base"
+
+module Validators
+  module FieldValidator
+    class NamedTasks < Base
+
+      def valid?
+        @value.each do |named_task|
+          break unless check_name!(named_task)
+          break unless check_run_list!(named_task)
+          break unless check_additional_keys!(named_task)
+        end
+        @message.nil?
+      end
+
+      def message
+        @message
+      end
+
+      private
+
+      def check_name!(task)
+        if task.key?('name')
+          true
+        else
+          @message = "One of tasks doesn't have a name"
+          false
+        end
+      end
+
+      def check_run_list!(task)
+        if !task.key?('run_list')
+          @message = "Task #{task['name']} doesn't have run_list"
+          return false
+        end
+
+        if !task['run_list'].is_a?(Array)
+          @message = "Run list of #{task['name']} isn't an array"
+          return false
+        end
+
+        wrong_elements = task['run_list'].select do |element|
+          Validators::Helpers::RunList::RUN_LIST_REGEX.match(element).nil?
+        end
+
+        if wrong_elements.empty?
+          true
+        else
+          @message = "Invalid run list elements: '#{wrong_elements.join(', ')}' for task #{task['name']}."
+          false
+        end
+      end
+
+      def check_additional_keys!(task)
+        if task.keys.length > 2
+          @message = "Task hash should contain only name and run_list"
+          false
+        else
+          true
+        end
+      end
+
+    end
+  end
+end

devops-service/lib/executors/expiration_scheduler.rb

@@ -9,7 +9,7 @@ module Devops
 
       def schedule_expiration!
         return unless @expires
-        DeleteExpiredServerWorker.perform_in(interval_in_seconds, server_chef_node_name: @server.chef_node_name)
+        DeleteExpiredServerWorker.perform_in(interval_in_seconds, server_id: @server.id)
       end
 
       def interval_in_seconds

devops-service/lib/executors/server_executor.rb

@@ -1,5 +1,6 @@
 require "lib/knife/knife_factory"
 require "lib/executors/expiration_scheduler"
+require "lib/puts_and_flush"
 require "hooks"
 require 'net/ssh'
 
@@ -7,6 +8,7 @@ module Devops
   module Executor
     class ServerExecutor
       include Hooks
+      include PutsAndFlush
 
       ERROR_CODES = {
         server_bootstrap_fail: 2,
@@ -41,6 +43,7 @@ module Devops
 
 
       attr_accessor :server, :deploy_env, :report, :project
+      attr_reader :out
 
       def initialize server, out, options={}
         if server
@@ -394,8 +397,11 @@ module Devops
           @out.flush
           cmd << " -j http://#{DevopsConfig.config[:address]}:#{DevopsConfig.config[:port]}/#{DevopsConfig.config[:url_prefix]}/v2.0/deploy/data/#{file}"
         else
-          if @deploy_env.chef_client_options && !@deploy_env.chef_client_options.empty?
+          if deploy_info['named_task'].present?
-            cmd << " #{@deploy_env.chef_client_options}"
+            named_task = @project.named_tasks.detect {|task| task['name'] == deploy_info['named_task']}
+            raise "Named task #{deploy_info['named_task']} doesn't exist." unless named_task
+            puts_and_flush "Using named task #{deploy_info['named_task']}."
+            cmd << " -o #{named_task['run_list'].join(',')}"
           else
             cmd << " -r #{deploy_info["run_list"].join(",")}" unless @server.stack.nil?
           end
@@ -503,15 +509,10 @@ module Devops
 
       private
 
-      def puts_and_flush(message)
-        @out.puts message
-        @out.flush
-      end
-
       def schedule_expiration
         if @deploy_env.expires
-          puts_and_flush "Planning expiration in #{@deploy_env.expires}"
+          job_id = ExpirationScheduler.new(@deploy_env.expires, @server).schedule_expiration!
-          ExpirationScheduler.new(@deploy_env.expires, @server).schedule_expiration!
+          puts_and_flush "Planning expiration in #{@deploy_env.expires}, job_id: #{job_id}"
         end
       end
 

devops-service/spec/executors/expiration_scheduler_spec.rb

@@ -5,7 +5,7 @@ RSpec.describe Devops::Executor::ExpirationScheduler do
 
   describe '#schedule_expiration!' do
     it 'schedules server deleting at given time' do
-      expect(DeleteExpiredServerWorker).to receive(:perform_in).with(120, server_chef_node_name: 'chef_node_name')
+      expect(DeleteExpiredServerWorker).to receive(:perform_in).with(120, server_id: server.id)
       described_class.new('2m', server).schedule_expiration!
     end
 

devops-service/spec/executors/server_executor_spec.rb

@@ -140,7 +140,7 @@ RSpec.describe Devops::Executor::ServerExecutor, type: :executor, stubbed_connec
     it 'schedules expiration for server' do
       deploy_env.expires = '2m'
       allow(DeleteExpiredServerWorker).to receive(:perform_in)
-      expect(DeleteExpiredServerWorker).to receive(:perform_in).with(120, {server_chef_node_name: 'node_name'})
+      expect(DeleteExpiredServerWorker).to receive(:perform_in).with(120, hash_including(:server_id))
       create_server
     end
 
@@ -585,15 +585,10 @@ RSpec.describe Devops::Executor::ServerExecutor, type: :executor, stubbed_connec
         deploy_server
       end
 
-      it "uses deploy_env's chef_client_options if they are set" do
+      it "uses run list from named_task if it's set" do
-        deploy_env.chef_client_options = '-r role'
+        project.named_tasks = [{'name' => 'foo', 'run_list' => ['role[backend]', 'role[frontend]']}]
-        expect(stubbed_knife).to receive(:ssh_stream).with(anything, 'chef-client --no-color -r role', any_args)
+        deploy_info['named_task'] = 'foo'
-        deploy_server
+        expect(stubbed_knife).to receive(:ssh_stream).with(anything, 'chef-client --no-color -o role[backend],role[frontend]', any_args)
-      end
-
-      it "doesn't use deploy_env's chef_client_options if it's blank string" do
-        deploy_env.chef_client_options = ''
-        expect(stubbed_knife).to receive(:ssh_stream).with(anything, 'chef-client --no-color', any_args)
         deploy_server
       end
     end

devops-service/spec/models/deploy_env/shared_deploy_env_specs.rb

@@ -10,7 +10,6 @@ RSpec.shared_examples 'deploy env' do
     include_examples 'field type validation', :run_list, :not_nil, :maybe_empty_array, :run_list, :field_validator
     include_examples 'field type validation', :users, :not_nil, :maybe_empty_array, :field_validator
     include_examples 'field type validation', :expires, :maybe_nil, :non_empty_string, :field_validator
-    include_examples 'field type validation', :chef_client_options, :maybe_nil, :maybe_empty_string, :field_validator
 
     it 'should be valid only with all users available' do
       expect(build(validated_model_name, users: ['root'])).to be_valid

devops-service/spec/models/project_spec.rb

@@ -22,20 +22,33 @@ RSpec.describe Devops::Model::Project, type: :model do
     include_examples 'field type validation', :deploy_envs, :not_nil, :non_empty_array
     include_examples 'field type validation', :description, :maybe_nil, :maybe_empty_string
     include_examples 'field type validation', :run_list, :not_nil, :maybe_empty_array, :run_list
+    include_examples 'field type validation', :named_tasks, :maybe_nil, :maybe_empty_array
 
     it "isn't valid when has envs with same identifier" do
-      project = build(:project, with_deploy_env_identifiers: %w(foo foo))
+      expect(build(:project, with_deploy_env_identifiers: %w(foo foo))).not_to be_valid
-      expect(project).not_to be_valid
     end
 
     it "is valid when all envs have uniq identifiers" do
-      project = build(:project, with_deploy_env_identifiers: %w(foo bar))
+      expect(build(:project, with_deploy_env_identifiers: %w(foo bar))).to be_valid
-      expect(project).to be_valid
     end
 
     it "isn't valid when at least one of envs isn't valid" do
-      project = build(:project, with_deploy_env_identifiers: ['foo', nil])
+      expect(build(:project, with_deploy_env_identifiers: ['foo', nil])).not_to be_valid
-      expect(project).not_to be_valid
+    end
+
+    describe 'named_tasks validation' do
+      it 'is valid with array of hashes like {"name" => "foo", "run_list" => ["role[bar]"]}' do
+        expect(build(:project, named_tasks: [{"name" => "foo", "run_list" => ["role[bar]"]}] )).to be_valid
+      end
+
+      it "isn't valid with array of hashes with invalid run_list elements" do
+        expect(build(:project, named_tasks: [{"name" => "foo", "run_list" => ["bar"]}] )).not_to be_valid
+      end
+
+      it "isn't valid with array of hashes without name or run_list" do
+        expect(build(:project, named_tasks: [{run_list: ["role[bar]"]}] )).not_to be_valid
+        expect(build(:project, named_tasks: [{"name" => "foo"}] )).not_to be_valid
+      end
     end
 
     describe 'components validation' do
@@ -58,7 +71,7 @@ RSpec.describe Devops::Model::Project, type: :model do
 
   describe '.fields' do
     subject { described_class.fields }
-    it { should eq %w(deploy_envs type description) }
+    it { should eq %w(deploy_envs type description named_tasks) }
   end
 
   describe '#initialize' do
@@ -286,8 +299,8 @@ RSpec.describe Devops::Model::Project, type: :model do
       expect(subject['deploy_envs']).to be_an_array_of(Hash)
     end
 
-    it 'also contains descriptions and run_list' do
+    it 'also contains descriptions, run_list and named_tasks' do
-      expect(subject).to include('description', 'run_list')
+      expect(subject).to include('description', 'run_list', 'named_tasks')
     end
 
     it 'contains archived key if project is archived' do

devops-service/spec/workers/chef_node_name_builder_spec.rb

@@ -1,6 +1,6 @@
 require 'workers/stack_bootstrap/chef_node_name_builder'
 RSpec.describe ChefNodeNameBuilder do
-  # real response
+  # test with real response to ensure it is processed correctly
   let(:server_info) do
     {
       "name"=>"stack-achuchkalov-aws-test-1455976199-master01",
@@ -21,33 +21,26 @@ RSpec.describe ChefNodeNameBuilder do
       }
     }
   end
-  let(:project) { build(:project, id: 'proj', with_deploy_env_identifiers: %w(dev)) }
+  let(:node_name_builder) {
-  let(:env) { project.deploy_env('dev') }
+    ChefNodeNameBuilder.new(
-  let(:build_node_name) {
+      provider_server_info: server_info,
-    described_class.new(server_info, project, env).build_node_name
+      project_id: 'proj',
+      env_id: 'dev'
+    )
   }
+  let(:build_node_name) { node_name_builder.build_node_name!({}) }
 
   def set_mask(mask)
     server_info['tags']['cid:node-name-mask'] = mask
   end
 
   describe '#build_node_name' do
-    it 'uses default mask ("$project-$cfname-$env")' do
+    it 'uses default mask (":project-:instancename-:env")' do
       expect(build_node_name).to eq 'proj-master01-dev'
     end
 
-    it 'substitutes $project, $env, $instanceid and $cfname' do
+    it 'substitutes :project, :env, :instanceid and :instancename' do
-      set_mask('$project/$env/$instanceid/$cfname')
+      set_mask(':project/:env/:instanceid/:instancename')
-      expect(build_node_name).to eq 'proj/dev/i-fac32c7e/master01'
-    end
-
-    it 'substitutes $time' do
-      set_mask('$project-$time')
-      expect(build_node_name).to match /proj-\d+/
-    end
-
-    it 'substitutes :project, :env, :instanceid and :cfname' do
-      set_mask(':project/:env/:instanceid/:cfname')
       expect(build_node_name).to eq 'proj/dev/i-fac32c7e/master01'
     end
 
@@ -56,14 +49,24 @@ RSpec.describe ChefNodeNameBuilder do
       expect(build_node_name).to match /proj-\d+/
     end
 
-    it 'works with both colon and dollar variables' do
+    describe 'substitutes incrementers variables :increment-groupname: with numbers depending on @incrementers_values param' do
-      set_mask('$project/$env/:instanceid/:cfname')
+      it 'starts with 01 for empty hash' do
-      expect(build_node_name).to eq 'proj/dev/i-fac32c7e/master01'
+        set_mask('node-:increment-slave:')
+        expect(node_name_builder.build_node_name!({})).to eq 'node-01'
+      end
+
+      it "continues with next values if hash isn't empty" do
+        set_mask('node-:increment-slave:')
+        expect(node_name_builder.build_node_name!({'slave' => nil})).to eq 'node-01'
+        expect(node_name_builder.build_node_name!({'slave' => 1})).to eq 'node-02'
+        expect(node_name_builder.build_node_name!({'slave' => 50})).to eq 'node-51'
+      end
+
+      it 'could substitute different incrementers at once' do
+        set_mask('node-:increment-slave:-:increment-master:')
+        expect(node_name_builder.build_node_name!({'slave' => 1, 'master' => 3})).to eq 'node-02-04'
+      end
     end
 
-    it 'substitutes underscores to dashes' do
-      server_info['tags']['Name'] = 'server_1'
-      expect(build_node_name).to match 'proj-server-1-dev'
-    end
   end
 end

devops-service/spec/workers/stack_servers_persister_spec.rb

@@ -98,7 +98,7 @@ RSpec.describe StackServersPersister, stubbed_connector: true do
       persister.persist
     end
 
-    it 'build chef_node_name with default mask "$project-$cfname-$env"' do
+    it 'build chef_node_name with default mask ":project-:instancename-:env"' do
       expect(stubbed_connector).to receive(:server_insert) do |server|
         expect(server.chef_node_name).to eq 'name-server1-foo'
       end
@@ -106,12 +106,28 @@ RSpec.describe StackServersPersister, stubbed_connector: true do
     end
 
     it "builds chef_node_name with custom mask if info['tags']['cid:node-name-mask'] exists" do
-      server_info_hash['tags']['cid:node-name-mask'] = '$project-$cfname-123'
+      server_info_hash['tags']['cid:node-name-mask'] = ':project-:instancename-123'
       expect(stubbed_connector).to receive(:server_insert) do |server|
         expect(server.chef_node_name).to eq 'name-server1-123'
       end
       persister.persist
     end
+
+    describe 'incremented variables' do
+      it 'substitutes :increment-groupid: with incrementing numbers' do
+        allow(provider).to receive(:stack_servers) {[
+          {'id' => 'server1', 'tags' => {'cid:node-name-mask' => 'node-:increment-group1:-dev'}, 'key_name' => 'key'},
+          {'id' => 'server1', 'tags' => {'cid:node-name-mask' => 'node-:increment-group1:-dev'}, 'key_name' => 'key'}
+        ]}
+        expect(stubbed_connector).to receive(:server_insert) do |server|
+          expect(server.chef_node_name).to eq 'node-01-dev'
+        end.ordered
+        expect(stubbed_connector).to receive(:server_insert) do |server|
+          expect(server.chef_node_name).to eq 'node-02-dev'
+        end
+        persister.persist
+      end
+    end
   end
 
 end

devops-service/workers/delete_expired_server_worker.rb

@@ -6,12 +6,11 @@ require "workers/worker"
 class DeleteExpiredServerWorker < Worker
 
   def perform(options)
-    chef_node_name = options.fetch('server_chef_node_name')
+    call do
-
+      server_id = options.fetch('server_id')
-    call() do |out, file|
+      puts_and_flush "Expire server '#{server_id}'."
-      out.puts "Expire server '#{chef_node_name}'."
+      server = mongo.server_by_instance_id(server_id)
-      server = mongo.server_by_chef_node_name(chef_node_name)
+      report = save_report(server)
-      report = save_report(file, server)
 
       e = Devops::Executor::ServerExecutor.new(server, out)
       e.report = report
@@ -21,17 +20,13 @@ class DeleteExpiredServerWorker < Worker
 
   private
 
-  def save_report(file, server)
+  def save_report(server)
-    report = Devops::Model::Report.new(
+    update_report(
-      "file" => file,
-      "_id" => jid,
       "created_by" => 'SYSTEM',
       "project" => server.project,
       "deploy_env" => server.deploy_env,
       "type" => Devops::Model::Report::EXPIRE_SERVER_TYPE
     )
-    mongo.save_report(report)
-    report
   end
 
 end

devops-service/workers/stack_bootstrap/chef_node_name_builder.rb

@@ -1,34 +1,64 @@
-class ChefNodeNameBuilder
+# Builds node name from mask. Mask could be passed in server's +cid:node-name-mask+ tag,
-  DEFAULT_MASK = '$project-$cfname-$env'
+# default mask is used otherwise. Mask is a string with possible several variables inserted, e.g.
+# +':project/:env/:instanceid/:instancename/:increment-group1:'+
+# Variables meanings:
+# - +:project+ is replaced with project name (given in constructor)
+# - +:env+ is replaced with env name (given in constructor)
+# - +:time+ is replaced with current timestamp
+# - +:instanceid+ is replaced with provider instance id (fetched from server info)
+# - +:instancename+ is replaced with value of Name tag (fetched from server info)
+# - +:increment-groupname:+ is replaced with incremented number tied to group name. There could be several groups in one stack.
+# P.S. Colons are used instead of dollar signs, because stacks don't support dollar signs in tags (unlike EC2 instances),
+# but it's convenient to set mask tag directly to a stack (not in template): you set tag once and it propagates to all instances.
 
-  def initialize(server_info, project, env)
+class ChefNodeNameBuilder
-    @server_info, @project, @env = server_info, project, env
+  DEFAULT_MASK = ':project-:instancename-:env'
-    @mask = server_info['tags']['cid:node-name-mask'] || DEFAULT_MASK
+
+  # @param attrs [Hash] should contain
+  #   +:provider_server_info+
+  #   +:project_id+
+  #   +:env_id+
+  def initialize(attrs)
+    @server_info = attrs[:provider_server_info]
+    @project, @env = attrs[:project_id], attrs[:env_id]
+    @mask = @server_info['tags']['cid:node-name-mask'] || DEFAULT_MASK
   end
 
-  def build_node_name
+
+  # @param incrementers_values [Hash] is a hash in which key is name of a variable and value is last substituted number for that var.
+  # This method modifies +incrementers_values+, updating values for substituted variables.
+  #
+  # Examples (assume mask is set to +':project-master-:increment-group1:'+):
+  #   incremeters_values = {}
+  #   builder.build_node_name!(incremeters_values) # returns 'mpda-master-01'
+  #   puts incremeters_values # {'group1' => 1}
+  #   builder.build_node_name!(incremeters_values) # returns 'mpda-master-02'
+  #   puts incremeters_values # {'group1' => 2}
+  def build_node_name!(incrementers_values)
     result = @mask.dup
-    replace_dollar_variables!(result)
+    replace_variables!(result)
-    replace_colon_variables!(result)
+    replace_incrementers!(result, incrementers_values)
-    result.gsub!('_', '-')
     result
   end
 
   private
 
-  def replace_dollar_variables!(result)
+  def replace_variables!(result)
-    result.gsub!('$project', @project.id)
+    result.gsub!(':project', @project)
-    result.gsub!('$env', @env.identifier)
+    result.gsub!(':env', @env)
-    result.gsub!('$instanceid', @server_info['id'])
-    result.gsub!('$cfname', @server_info['tags']['Name'] || '')
-    result.gsub!('$time', Time.now.to_i.to_s)
-  end
-
-  def replace_colon_variables!(result)
-    result.gsub!(':project', @project.id)
-    result.gsub!(':env', @env.identifier)
     result.gsub!(':instanceid', @server_info['id'])
-    result.gsub!(':cfname', @server_info['tags']['Name'] || '')
+    result.gsub!(':instancename', @server_info['tags']['Name'] || '')
     result.gsub!(':time', Time.now.to_i.to_s)
   end
+
+  def replace_incrementers!(result, incrementers_values)
+    groupname_regexp = /(?<=:increment-)\w+(?=:)/
+    result.gsub!(/:increment-\w+:/) do |incrementer|
+      group_name = groupname_regexp.match(incrementer)[0]
+      prev_value = incrementers_values[group_name] || 0
+      current_value = prev_value + 1
+      incrementers_values[group_name] = current_value
+      current_value.to_s.rjust(2, '0')
+    end
+  end
 end

devops-service/workers/stack_bootstrap/stack_servers_persister.rb

@@ -42,18 +42,18 @@ class StackServersPersister
   end
 
   # takes a hash, returns Server model
-  def persist_stack_server(info_hash)
+  def persist_stack_server(server_info)
     server_attrs = {
-      '_id' => info_hash['id'],
+      '_id' => server_info['id'],
-      'chef_node_name' => ChefNodeNameBuilder.new(info_hash, @project, @deploy_env).build_node_name,
+      'chef_node_name' => get_name_builder(server_info).build_node_name!(incrementers_values),
       'created_by' => stack.owner,
       'deploy_env' => @deploy_env.identifier,
-      'key' => info_hash['key_name'] || @provider.ssh_key,
+      'key' => server_info['key_name'] || @provider.ssh_key,
       'project' => @project.id,
       'provider' => @provider.name,
       'remote_user' => mongo.image(@deploy_env.image).remote_user,
-      'private_ip' => info_hash['private_ip'],
+      'private_ip' => server_info['private_ip'],
-      'public_ip' => info_hash['public_ip'],
+      'public_ip' => server_info['public_ip'],
       'run_list' => stack.run_list || [],
       'stack' => stack.name
     }
@@ -63,6 +63,19 @@ class StackServersPersister
     server
   end
 
+  def get_name_builder(server_info)
+    ChefNodeNameBuilder.new(
+      provider_server_info: server_info,
+      project_id: @project.id,
+      env_id: @deploy_env.identifier,
+      owner: stack.owner
+    )
+  end
+
+  def incrementers_values
+    @incrementers_values ||= {}
+  end
+
   def mongo
     Devops::Db.connector
   end

devops-service/workers/stack_bootstrap/stack_synchronizer.rb

@@ -18,7 +18,7 @@ class StackSynchronizer
       stack.sync!
       print_new_events
       case stack.stack_status
-      when 'CREATE_IN_PROGRESS', 'ROLLBACK_IN_PROGRESS'
+      when 'CREATE_IN_PROGRESS', 'ROLLBACK_IN_PROGRESS', 'DELETE_IN_PROGRESS'
       when 'CREATE_COMPLETE'
         ::Devops::Db.connector.stack_update(stack)
         puts_and_flush "Stack '#{stack.id}' status is now #{stack.stack_status}"
@@ -26,6 +26,9 @@ class StackSynchronizer
       when 'ROLLBACK_COMPLETE'
         puts_and_flush "Stack '#{stack.id}' status is rolled back"
         return error_code(:stack_rolled_back)
+      when 'DELETE_COMPLETE'
+        puts_and_flush "Stack '#{stack.id}' status is deleted"
+        return error_code(:stack_deleted)
       else
         puts_and_flush "Unknown stack status: '#{stack.stack_status}'"
         return error_code(:unkown_status)
@@ -54,7 +57,8 @@ class StackSynchronizer
       stack_rolled_back: 1,
       unkown_status: 2,
       timeout: 3,
-      error: 5
+      error: 5,
+      stack_deleted: 6
     }
   end