don't launch deploy on chef server migration

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

@@ -13,6 +13,7 @@ module Devops
       DELETE_SERVER_TYPE = 7
       EXPIRE_SERVER_TYPE = 8
       SYNC_STACK_TYPE = 9
+      WAIT_BOOTSTRAP = 10
 
 
       SYSTEM_OWNER = 'SYSTEM'

devops-service/lib/executors/server_executor.rb

@@ -268,7 +268,7 @@ module Devops
 
         # deploy phase. Assume that all servers are bootstraped successfully here.
         begin
-          run_list = compute_run_list
+          run_list = options[:forced_runlist] || compute_run_list
           @out << "\n\nComputed run list: #{run_list.join(", ")}"
           @out.flush
           knife_instance.set_run_list(@server.chef_node_name, run_list)
@@ -519,6 +519,10 @@ module Devops
         raise 'Failed to sync project metadata with chef' unless succeeded
       end
 
+      def set_run_list(run_list)
+        knife_instance.set_run_list(@server.chef_node_name, run_list)
+      end
+
       private
 
       def schedule_expiration

devops-service/lib/helpers/job_waiter.rb

@@ -5,6 +5,7 @@ module Devops
 
       INTERVAL = 5
 
+      # timeout in seconds
       def initialize(job_id, timeout=5000)
         @job_id, @timeout = job_id, timeout
       end

devops-service/workers/bootstrap_worker.rb

@@ -15,6 +15,7 @@ class BootstrapWorker < Worker
   # 'bootstrap_template': optional
   # 'chef_environment':   optional
   # 'config':             optional, whatever this parameter really means
+  # 'forced_runlist':     optional, used only in change_server_env action
   def perform(options)
     call do
       owner = options.fetch('owner')

devops-service/workers/run_workers.rb

@@ -8,6 +8,7 @@ require File.join(root, "stack_bootstrap_worker")
 require File.join(root, "delete_server_worker")
 require File.join(root, "delete_expired_server_worker")
 require File.join(root, "stack_sync_worker")
+require File.join(root, "wait_rebootstrap_worker")
 require 'byebug'
 config = {}
 #require File.join(root, "../proxy")

devops-service/workers/wait_rebootstrap_worker.rb

@@ -0,0 +1,38 @@
+require File.join(File.dirname(__FILE__), "worker")
+
+require "lib/executors/server_executor"
+require "db/mongo/models/report"
+
+class WaitRebootstrapWorker < Worker
+
+  # @options
+  # 'jid': bootstrap job to wait
+  # 'server_node_name'
+  # 'owner'
+  # 'old_chef_node': node info
+
+  def perform(options)
+    call do
+      owner = options.fetch("owner")
+      server = Devops::Db.connector.server_by_chef_node_name(options.fetch("server_node_name"))
+      save_report(owner, server)
+      Devops::Helpers::JobWaiter.new(options["jid"], 10*60).wait
+
+      old_node_info = options.fetch('old_chef_node')
+      out.puts(JSON.pretty_generate(old_node_info))
+
+      executor = Devops::Executor::ServerExecutor.new(server, out, current_user: owner)
+      executor.set_run_list(old_node_info["run_list"])
+    end
+  end
+
+  def save_report(owner, server)
+    update_report(
+      "created_by" => owner,
+      "project" => server.project,
+      "deploy_env" => server.deploy_env,
+      "type" => Devops::Model::Report::WAIT_BOOTSTRAP
+    )
+  end
+end
+