Add installation type to usage ping data

INSTALLATION_TYPE

+source

lib/gitlab.rb

@@ -33,6 +33,7 @@ module Gitlab
   APP_DIRS_PATTERN = %r{^/?(app|config|ee|lib|spec|\(\w*\))}
   SUBDOMAIN_REGEX = %r{\Ahttps://[a-z0-9]+\.gitlab\.com\z}
   VERSION = File.read(root.join("VERSION")).strip.freeze
+  INSTALLATION_TYPE = File.read(root.join("INSTALLATION_TYPE")).strip.freeze
   def self.com?
     # Check `gl_subdomain?` as well to keep parity with gitlab.com

lib/gitlab/usage_data.rb

@@ -21,6 +21,7 @@ module Gitlab
           uuid: Gitlab::CurrentSettings.uuid,
           hostname: Gitlab.config.gitlab.host,
           version: Gitlab::VERSION,
+          installation_type: Gitlab::INSTALLATION_TYPE,
           active_user_count: User.active.count,
           recorded_at: Time.now,
           mattermost_enabled: Gitlab.config.mattermost.enabled,

spec/lib/gitlab/usage_data_spec.rb

@@ -32,6 +32,7 @@ describe Gitlab::UsageData do
         mattermost_enabled
         edition
         version
+        installation_type
         uuid
         hostname
         signup
@@ -156,6 +157,7 @@ describe Gitlab::UsageData do
     it "gathers license data" do
       expect(subject[:uuid]).to eq(Gitlab::CurrentSettings.uuid)
       expect(subject[:version]).to eq(Gitlab::VERSION)
+      expect(subject[:installation_type]).to eq(Gitlab::INSTALLATION_TYPE)
       expect(subject[:active_user_count]).to eq(User.active.count)
       expect(subject[:recorded_at]).to be_a(Time)
     end