Fix sidekiq stats in admin area

app/helpers/sidekiq_helper.rb

@@ -5,15 +5,11 @@ module SidekiqHelper
     (?<mem>[\d\.,]+)\s+
     (?<state>[DRSTWXZNLsl\+<]+)\s+
     (?<start>.+)\s+
-    (?<command>sidekiq.*\])\s*
+    (?<command>sidekiq.*\])
     \z/x
 
   def parse_sidekiq_ps(line)
-    match = line.match(SIDEKIQ_PS_REGEXP)
-    if match
-      match[1..6]
-    else
-      %w[? ? ? ? ? ?]
-    end
+    match = line.strip.match(SIDEKIQ_PS_REGEXP)
+    match ? match[1..6] : Array.new(6, '?')
   end
 end

changelogs/unreleased/fix_sidekiq_stats_in_admin_area.yml

+---
+title: Sidekiq stats in the admin area will now show correctly on different platforms
+merge_request:
+author: blackst0ne

spec/helpers/sidekiq_helper_spec.rb

@@ -30,6 +30,29 @@ describe SidekiqHelper do
       expect(parts).to eq(['55137', '10.0', '2.1', 'S+', '2:30pm', 'sidekiq 4.1.4 gitlab [0 of 25 busy]'])
     end
 
+    it 'parses OSX output' do
+      line = ' 1641   1.5  3.8 S+    4:04PM sidekiq 4.2.1 gitlab [0 of 25 busy]'
+      parts = helper.parse_sidekiq_ps(line)
+
+      expect(parts).to eq(['1641', '1.5', '3.8', 'S+', '4:04PM', 'sidekiq 4.2.1 gitlab [0 of 25 busy]'])
+    end
+
+    it 'parses Ubuntu output' do
+      # Ubuntu Linux 16.04 LTS / procps-3.3.10-4ubuntu2
+      line = '  938  1.4  2.5 Sl+  21:23:21 sidekiq 4.2.1 gitlab [0 of 25 busy]   '
+      parts = helper.parse_sidekiq_ps(line)
+
+      expect(parts).to eq(['938', '1.4', '2.5', 'Sl+', '21:23:21', 'sidekiq 4.2.1 gitlab [0 of 25 busy]'])
+    end
+
+    it 'parses Debian output' do
+      # Debian Linux Wheezy/Jessie
+      line = '17725  1.0 12.1 Ssl  19:20:15 sidekiq 4.2.1 gitlab-rails [0 of 25 busy]   '
+      parts = helper.parse_sidekiq_ps(line)
+
+      expect(parts).to eq(['17725', '1.0', '12.1', 'Ssl', '19:20:15', 'sidekiq 4.2.1 gitlab-rails [0 of 25 busy]'])
+    end
+
     it 'does fail gracefully on line not matching the format' do
       line = '55137	10.0	2.1	S+	2:30pm	something'
       parts = helper.parse_sidekiq_ps(line)