X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/f99ffd6844ae9b88cfd17c8fe6e9fcc85a55d79c..e8167f6b3a83525a07c79e03917bad570a6c5c26:/services/api/app/models/job.rb

diff --git a/services/api/app/models/job.rb b/services/api/app/models/job.rb
index 3ef52164d2..1f0ef758d9 100644
--- a/services/api/app/models/job.rb
+++ b/services/api/app/models/job.rb
@@ -35,6 +35,7 @@ class Job < ArvadosModel
     t.add :tasks_summary
     t.add :dependencies
     t.add :log_stream_href
+    t.add :log_buffer
   end
 
   def assert_finished
@@ -50,13 +51,17 @@ class Job < ArvadosModel
   end
 
   def self.queue
-    self.where('started_at is ? and is_locked_by_uuid is ? and cancelled_at is ?',
-               nil, nil, nil).
+    self.where('started_at is ? and is_locked_by_uuid is ? and cancelled_at is ? and success is ?',
+               nil, nil, nil, nil).
       order('priority desc, created_at')
   end
 
   protected
 
+  def foreign_key_attributes
+    super + %w(output log)
+  end
+
   def ensure_script_version_is_commit
     if self.is_locked_by_uuid and self.started_at
       # Apparently client has already decided to go for it. This is
@@ -64,11 +69,13 @@ class Job < ArvadosModel
       # instead of a commit-ish.
       return true
     end
-    sha1 = Commit.find_by_commit_ish(self.script_version) rescue nil
-    if sha1
-      self.script_version = sha1
-    else
-      raise ArgumentError.new("Specified script_version does not resolve to a commit")
+    if new_record? or script_version_changed?
+      sha1 = Commit.find_by_commit_ish(self.script_version) rescue nil
+      if sha1
+        self.script_version = sha1
+      else
+        raise ArgumentError.new("Specified script_version does not resolve to a commit")
+      end
     end
   end
 
@@ -101,13 +108,14 @@ class Job < ArvadosModel
 
   def permission_to_update
     if is_locked_by_uuid_was and !(current_user and
-                                   current_user.uuid == is_locked_by_uuid_was)
+                                   (current_user.uuid == is_locked_by_uuid_was or
+                                    current_user.uuid == system_user.uuid))
       if script_changed? or
           script_parameters_changed? or
           script_version_changed? or
           (!cancelled_at_was.nil? and
-           (cancelled_by_client_changed? or
-            cancelled_by_user_changed? or
+           (cancelled_by_client_uuid_changed? or
+            cancelled_by_user_uuid_changed? or
             cancelled_at_changed?)) or
           started_at_changed? or
           finished_at_changed? or
@@ -158,10 +166,20 @@ class Job < ArvadosModel
 
   def trigger_crunch_dispatch_if_cancelled
     if @need_crunch_dispatch_trigger
-      File.open(Rails.configuration.crunch_dispatch_hup_trigger, 'wb') do
-        # That's all, just create a file for crunch-dispatch to see.
+      File.open(Rails.configuration.crunch_refresh_trigger, 'wb') do
+        # That's all, just create/touch a file for crunch-job to see.
       end
     end
   end
 
+  def log_buffer
+    begin
+      @@redis ||= Redis.new(:timeout => 0)
+      if @@redis.exists uuid
+        @@redis.getrange(uuid, 0 - 2**10, -1)
+      end
+    rescue Redis::CannotConnectError
+      return '(not available)'
+    end
+  end
 end