X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/fb3c02b38a24cda422de95f2f8b49002b841cc72..4f552c0187f8c31d94ff74485c57ef7f9888597e:/services/api/app/models/job.rb

diff --git a/services/api/app/models/job.rb b/services/api/app/models/job.rb
index e13446b4ae..0b2247bc21 100644
--- a/services/api/app/models/job.rb
+++ b/services/api/app/models/job.rb
@@ -1,37 +1,44 @@
-class Job < OrvosModel
+class Job < ArvadosModel
   include AssignUuid
   include KindAndEtag
   include CommonApiTemplate
   serialize :script_parameters, Hash
-  serialize :resource_limits, Hash
+  serialize :runtime_constraints, Hash
   serialize :tasks_summary, Hash
   before_create :ensure_unique_submit_id
   before_create :ensure_script_version_is_commit
+  before_update :ensure_script_version_is_commit
+  after_commit :trigger_crunch_dispatch_if_cancelled, :on => :update
 
   has_many :commit_ancestors, :foreign_key => :descendant, :primary_key => :script_version
 
   class SubmitIdReused < StandardError
   end
 
-  api_accessible :superuser, :extend => :common do |t|
+  api_accessible :user, extend: :common do |t|
     t.add :submit_id
     t.add :priority
     t.add :script
     t.add :script_parameters
     t.add :script_version
     t.add :cancelled_at
-    t.add :cancelled_by_client
-    t.add :cancelled_by_user
+    t.add :cancelled_by_client_uuid
+    t.add :cancelled_by_user_uuid
     t.add :started_at
     t.add :finished_at
     t.add :output
+    t.add :output_is_persistent
     t.add :success
     t.add :running
-    t.add :is_locked_by
+    t.add :is_locked_by_uuid
     t.add :log
-    t.add :resource_limits
+    t.add :runtime_constraints
     t.add :tasks_summary
     t.add :dependencies
+    t.add :log_stream_href
+    t.add :log_buffer
+    t.add :nondeterministic
+    t.add :repository
   end
 
   def assert_finished
@@ -40,14 +47,47 @@ class Job < OrvosModel
                       running: false)
   end
 
+  def log_stream_href
+    unless self.finished_at
+      "#{current_api_base}/#{self.class.to_s.pluralize.underscore}/#{self.uuid}/log_tail_follow"
+    end
+  end
+
+  def self.queue
+    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
+
+  def self.running
+    self.where('running = ?', true).
+      order('priority desc, created_at')
+  end
+
   protected
 
+  def foreign_key_attributes
+    super + %w(output log)
+  end
+
+  def skip_uuid_read_permission_check
+    super + %w(cancelled_by_client_uuid)
+  end
+
   def ensure_script_version_is_commit
-    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 self.is_locked_by_uuid and self.started_at
+      # Apparently client has already decided to go for it. This is
+      # needed to run a local job using a local working directory
+      # instead of a commit-ish.
+      return true
+    end
+    if new_record? or script_version_changed?
+      sha1 = Commit.find_commit_range(current_user, nil, nil, self.script_version, nil)[0] rescue nil
+      if sha1
+        self.script_version = sha1
+      else
+        raise ArgumentError.new("Specified script_version does not resolve to a commit")
+      end
     end
   end
 
@@ -62,25 +102,33 @@ class Job < OrvosModel
 
   def dependencies
     deps = {}
-    self.script_parameters.values.each do |v|
-      next unless v.is_a? String
-      v.match(/^(([0-9a-f]{32})\b(\+[^,]+)?,?)*$/) do |locator|
-        bare_locator = locator[0].gsub(/\+[^,]+/,'')
-        deps[bare_locator] = true
+    queue = self.script_parameters.values
+    while not queue.empty?
+      queue = queue.flatten.compact.collect do |v|
+        if v.is_a? Hash
+          v.values
+        elsif v.is_a? String
+          v.match(/^(([0-9a-f]{32})\b(\+[^,]+)?,?)*$/) do |locator|
+            deps[locator.to_s] = true
+          end
+          nil
+        end
       end
     end
     deps.keys
   end
 
   def permission_to_update
-    if is_locked_by_was and !(current_user and
-                              current_user.uuid == is_locked_by_was)
+    if is_locked_by_uuid_was and !(current_user and
+                                   (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_by_client_changed? or
-          cancelled_by_user_changed? or
-          cancelled_at_changed? or
+          (!cancelled_at_was.nil? and
+           (cancelled_by_client_uuid_changed? or
+            cancelled_by_user_uuid_changed? or
+            cancelled_at_changed?)) or
           started_at_changed? or
           finished_at_changed? or
           running_changed? or
@@ -92,21 +140,58 @@ class Job < OrvosModel
         return false
       end
     end
-    if !is_locked_by_changed?
+    if !is_locked_by_uuid_changed?
       super
     else
       if !current_user
         logger.warn "Anonymous user tried to change lock on #{self.class.to_s} #{uuid_was}"
         false
-      elsif is_locked_by_was and is_locked_by_was != current_user.uuid
-        logger.warn "User #{current_user.uuid} tried to steal lock on #{self.class.to_s} #{uuid_was} from #{is_locked_by_was}"
+      elsif is_locked_by_uuid_was and is_locked_by_uuid_was != current_user.uuid
+        logger.warn "User #{current_user.uuid} tried to steal lock on #{self.class.to_s} #{uuid_was} from #{is_locked_by_uuid_was}"
         false
-      elsif !is_locked_by.nil? and is_locked_by != current_user.uuid
-        logger.warn "User #{current_user.uuid} tried to lock #{self.class.to_s} #{uuid_was} with uuid #{is_locked_by}"
+      elsif !is_locked_by_uuid.nil? and is_locked_by_uuid != current_user.uuid
+        logger.warn "User #{current_user.uuid} tried to lock #{self.class.to_s} #{uuid_was} with uuid #{is_locked_by_uuid}"
         false
       else
         super
       end
     end
   end
+
+  def update_modified_by_fields
+    if self.cancelled_at_changed?
+      # Ensure cancelled_at cannot be set to arbitrary non-now times,
+      # or changed once it is set.
+      if self.cancelled_at and not self.cancelled_at_was
+        self.cancelled_at = Time.now
+        self.cancelled_by_user_uuid = current_user.uuid
+        self.cancelled_by_client_uuid = current_api_client.uuid
+        @need_crunch_dispatch_trigger = true
+      else
+        self.cancelled_at = self.cancelled_at_was
+        self.cancelled_by_user_uuid = self.cancelled_by_user_uuid_was
+        self.cancelled_by_client_uuid = self.cancelled_by_client_uuid_was
+      end
+    end
+    super
+  end
+
+  def trigger_crunch_dispatch_if_cancelled
+    if @need_crunch_dispatch_trigger
+      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