Start persisting runner_type when creating runners

app/models/ci/runner.rb

@@ -67,6 +67,12 @@ module Ci
       ref_protected: 1
     }
 
+    enum runner_type: {
+      instance_type: 1,
+      group_type: 2,
+      project_type: 3
+    }
+
     cached_attr_reader :version, :revision, :platform, :architecture, :contacted_at, :ip_address
 
     chronic_duration_attr :maximum_timeout_human_readable, :maximum_timeout

db/migrate/20180430101916_add_runner_type_to_ci_runners.rb

+class AddRunnerTypeToCiRunners < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    add_column :ci_runners, :runner_type, :integer
+  end
+end

db/post_migrate/20180430143705_backfill_runner_type_for_ci_runners_post_migrate.rb

+class BackfillRunnerTypeForCiRunnersPostMigrate < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    update_column_in_batches(:ci_runners, :runner_type, 1) do |table, query|
+      query.where(table[:is_shared].eq(true)).where(table[:runner_type].eq(nil))
+    end
+
+    update_column_in_batches(:ci_runners, :runner_type, 3) do |table, query|
+      query.where(table[:is_shared].eq(false)).where(table[:runner_type].eq(nil))
+    end
+  end
+
+  def down
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20180425131009) do
+ActiveRecord::Schema.define(version: 20180430143705) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -479,6 +479,7 @@ ActiveRecord::Schema.define(version: 20180425131009) do
     t.integer "access_level", default: 0, null: false
     t.string "ip_address"
     t.integer "maximum_timeout"
+    t.integer "runner_type"
   end
 
   add_index "ci_runners", ["contacted_at"], name: "index_ci_runners_on_contacted_at", using: :btree

lib/api/runner.rb

@@ -23,13 +23,13 @@ module API
         runner =
           if runner_registration_token_valid?
             # Create shared runner. Requires admin access
-            Ci::Runner.create(attributes.merge(is_shared: true))
+            Ci::Runner.create(attributes.merge(is_shared: true, runner_type: :instance_type))
           elsif project = Project.find_by(runners_token: params[:token])
             # Create a specific runner for the project
-            project.runners.create(attributes)
+            project.runners.create(attributes.merge(runner_type: :project_type))
           elsif group = Group.find_by(runners_token: params[:token])
             # Create a specific runner for the group
-            group.runners.create(attributes)
+            group.runners.create(attributes.merge(runner_type: :group_type))
           end
 
         break forbidden! unless runner