X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/53ce9b61336c5385eb2250267efa69613b5eaec7..39c17737ac69d7693684fe2f95bef0ec235a28bf:/services/api/app/models/container_request.rb

diff --git a/services/api/app/models/container_request.rb b/services/api/app/models/container_request.rb
index 3587cf046a..dd3ff767dd 100644
--- a/services/api/app/models/container_request.rb
+++ b/services/api/app/models/container_request.rb
@@ -5,6 +5,7 @@
 require 'whitelist_update'
 
 class ContainerRequest < ArvadosModel
+  include ArvadosModelUpdates
   include HasUuid
   include KindAndEtag
   include CommonApiTemplate
@@ -27,19 +28,20 @@ class ContainerRequest < ArvadosModel
 
   before_validation :fill_field_defaults, :if => :new_record?
   before_validation :validate_runtime_constraints
-  before_validation :validate_scheduling_parameters
+  before_validation :set_default_preemptible_scheduling_parameter
   before_validation :set_container
   validates :command, :container_image, :output_path, :cwd, :presence => true
   validates :output_ttl, numericality: { only_integer: true, greater_than_or_equal_to: 0 }
   validates :priority, numericality: { only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 1000 }
+  validate :validate_scheduling_parameters
   validate :validate_state_change
   validate :check_update_whitelist
   validate :secret_mounts_key_conflict
   before_save :scrub_secret_mounts
-  after_save :update_priority
-  after_save :finalize_if_needed
   before_create :set_requesting_container_uuid
   before_destroy :set_priority_zero
+  after_save :update_priority
+  after_save :finalize_if_needed
 
   api_accessible :user, extend: :common do |t|
     t.add :command
@@ -82,10 +84,10 @@ class ContainerRequest < ArvadosModel
     Committed => [Final]
   }
 
-  AttrsPermittedAlways = [:owner_uuid, :state, :name, :description]
+  AttrsPermittedAlways = [:owner_uuid, :state, :name, :description, :properties]
   AttrsPermittedBeforeCommit = [:command, :container_count_max,
   :container_image, :cwd, :environment, :filters, :mounts,
-  :output_path, :priority, :properties, :requesting_container_uuid,
+  :output_path, :priority,
   :runtime_constraints, :state, :container_uuid, :use_existing,
   :scheduling_parameters, :secret_mounts, :output_name, :output_ttl]
 
@@ -110,7 +112,9 @@ class ContainerRequest < ArvadosModel
     if state == Committed && Container.find_by_uuid(container_uuid).final?
       reload
       act_as_system_user do
-        finalize!
+        leave_modified_by_user_alone do
+          finalize!
+        end
       end
     end
   end
@@ -194,6 +198,18 @@ class ContainerRequest < ArvadosModel
     end
   end
 
+  def set_default_preemptible_scheduling_parameter
+    c = get_requesting_container()
+    if self.state == Committed
+      # If preemptible instances (eg: AWS Spot Instances) are allowed,
+      # ask them on child containers by default.
+      if Rails.configuration.preemptible_instances and !c.nil? and
+        self.scheduling_parameters['preemptible'].nil?
+          self.scheduling_parameters['preemptible'] = true
+      end
+    end
+  end
+
   def validate_runtime_constraints
     case self.state
     when Committed
@@ -220,6 +236,14 @@ class ContainerRequest < ArvadosModel
             scheduling_parameters['partitions'].size)
             errors.add :scheduling_parameters, "partitions must be an array of strings"
       end
+      if !Rails.configuration.preemptible_instances and scheduling_parameters['preemptible']
+        errors.add :scheduling_parameters, "preemptible instances are not allowed"
+      end
+      if scheduling_parameters.include? 'max_run_time' and
+        (!scheduling_parameters['max_run_time'].is_a?(Integer) ||
+          scheduling_parameters['max_run_time'] < 0)
+          errors.add :scheduling_parameters, "max_run_time must be positive integer"
+      end
     end
   end
 
@@ -285,7 +309,6 @@ class ContainerRequest < ArvadosModel
     act_as_system_user do
       Container.
         where('uuid in (?)', [self.container_uuid_was, self.container_uuid].compact).
-        lock(true).
         map(&:update_priority!)
     end
   end
@@ -295,14 +318,18 @@ class ContainerRequest < ArvadosModel
   end
 
   def set_requesting_container_uuid
-    return !new_record? if self.requesting_container_uuid   # already set
+    c = get_requesting_container()
+    if !c.nil?
+      self.requesting_container_uuid = c.uuid
+      self.priority = c.priority>0 ? 1 : 0
+    end
+  end
 
-    token_uuid = current_api_client_authorization.andand.uuid
-    container = Container.where('auth_uuid=?', token_uuid).order('created_at desc').first
-    if container
-      self.requesting_container_uuid = container.uuid
-      self.priority = container.priority > 0 ? 1 : 0
+  def get_requesting_container
+    return self.requesting_container_uuid if !self.requesting_container_uuid.nil?
+    return if !current_api_client_authorization
+    if (c = Container.where('auth_uuid=?', current_api_client_authorization.uuid).select([:uuid, :priority]).first)
+      return c
     end
-    true
   end
 end