Feature: dangerous_restart

lib/runit-man/service_info/base.rb

@@ -109,6 +109,25 @@ def all_log_file_locations
     []
   end
 
+  def restart_dangerous?
+    changed_files_to_watch.size == 0 ? false : true
+  end
+
+  def changed_files_to_watch
+    return  [] if files_to_watch.empty?
+
+    changed_files = []
+    files_to_watch.each do |file|
+      mtime = File.stat(file).mtime
+
+      if mtime > @status.started_at
+        changed_files << file
+      end
+    end
+
+    return changed_files
+  end
+
   def send_signal(signal)
     return  unless supervise?
 
@@ -144,6 +163,21 @@ def urls_to_view
     end
   end
 
+  def files_to_watch
+    return []  unless File.directory?(files_to_watch_folder)
+
+    Dir.entries(files_to_watch_folder).select do |name|
+      File.symlink?(File.join(files_to_watch_folder, name))
+    end.map do |name|
+      File.expand_path(
+        File.readlink(File.join(files_to_watch_folder, name)),
+        files_to_watch_folder
+      )
+    end.select do |file_path|
+      File.file?(file_path)
+    end
+  end
+
   def allowed_signals
     return []  unless File.directory?(allowed_signals_folder)
 
@@ -165,6 +199,10 @@ def files_to_view_folder
     File.join(active_service_folder, 'runit-man', 'files-to-view')
   end
 
+  def files_to_watch_folder
+    File.join(active_service_folder, 'runit-man', 'files-to-watch')
+  end
+
   def urls_to_view_folder
     File.join(active_service_folder, 'runit-man', 'urls-to-view')
   end

public/css/runit-man.css

@@ -20,6 +20,7 @@ form.service-action, form.service-signal
 span.inactive {color:gray;}
 span.down {color:#8a1f11;}
 span.run {color:#264409;}
+span.danger {color:red;}
 
 #services { text-align: center; }
 

views/_service_info.haml

@@ -1,7 +1,9 @@
 - need_second_row = !service_info.files_to_view.empty? || !service_info.urls_to_view.empty?
 %tr{:class=> even_or_odd ? 'even' : 'odd'}
   %td{:rowspan=> need_second_row ? 2 : 1}= h(service_info.pid)
-  %th{:scope=>"row"}= h(service_info.name)
+  %th{:scope=>"row"}
+    %span{:class=>service_info.restart_dangerous? ? "danger" : "ok"}
+      = h(service_info.name)
   %td= service_info.started_at ? service_info.started_at.utc : ''
   %td= service_info.uptime ? ('%.2f' % service_info.uptime) : ''
   %td= stat_subst(service_info.stat)