Merge branch 'zj-gitaly-usage-data' into 'master'

Add Gitaly data to the usage ping

See merge request gitlab-org/gitlab-ce!29893

changelogs/unreleased/zj-gitaly-usage-data.yml

+---
+title: Add Gitaly data to the usage ping
+merge_request:
+author:
+type: added

lib/gitaly/server.rb

@@ -2,8 +2,18 @@
 
 module Gitaly
   class Server
-    def self.all
-      Gitlab.config.repositories.storages.keys.map { |s| Gitaly::Server.new(s) }
+    class << self
+      def all
+        Gitlab.config.repositories.storages.keys.map { |s| Gitaly::Server.new(s) }
+      end
+
+      def count
+        all.size
+      end
+
+      def filesystems
+        all.map(&:filesystem_type).compact.uniq
+      end
     end
 
     attr_reader :storage
@@ -36,6 +46,10 @@ module Gitaly
       storage_status&.writeable
     end
 
+    def filesystem_type
+      storage_status&.fs_type
+    end
+
     def address
       Gitlab::GitalyClient.address(@storage)
     rescue RuntimeError => e

lib/gitlab/usage_data.rb

@@ -136,8 +136,9 @@ module Gitlab
 
       def components_usage_data
         {
-          gitlab_pages: { enabled: Gitlab.config.pages.enabled, version: Gitlab::Pages::VERSION },
           git: { version: Gitlab::Git.version },
+          gitaly: { version: Gitaly::Server.all.first.server_version, servers: Gitaly::Server.count, filesystems: Gitaly::Server.filesystems },
+          gitlab_pages: { enabled: Gitlab.config.pages.enabled, version: Gitlab::Pages::VERSION },
           database: { adapter: Gitlab::Database.adapter_name, version: Gitlab::Database.version }
         }
       end

spec/lib/gitaly/server_spec.rb

@@ -47,6 +47,12 @@ describe Gitaly::Server do
     end
   end
 
+  describe "#filesystem_type" do
+    subject { server.filesystem_type }
+
+    it { is_expected.to be_present }
+  end
+
   describe 'request memoization' do
     context 'when requesting multiple properties', :request_store do
       it 'uses memoization for the info request' do

spec/lib/gitlab/usage_data_spec.rb

@@ -54,6 +54,7 @@ describe Gitlab::UsageData do
         gitlab_shared_runners_enabled
         gitlab_pages
         git
+        gitaly
         database
         avg_cycle_analytics
         web_ide_commits
@@ -205,6 +206,10 @@ describe Gitlab::UsageData do
       expect(subject[:git][:version]).to eq(Gitlab::Git.version)
       expect(subject[:database][:adapter]).to eq(Gitlab::Database.adapter_name)
       expect(subject[:database][:version]).to eq(Gitlab::Database.version)
+      expect(subject[:gitaly][:version]).to be_present
+      expect(subject[:gitaly][:servers]).to be >= 1
+      expect(subject[:gitaly][:filesystems]).to be_an(Array)
+      expect(subject[:gitaly][:filesystems].first).to be_a(String)
     end
   end