3031: Improve "Docker image not found" error message.

[arvados.git] / services / api / app / models / job.rb

diff --git a/services/api/app/models/job.rb b/services/api/app/models/job.rb
index 7bca409d0b664d13179152a577adbc26f4d656cd..8bd308d14b8682e6d56af32bae0b4c71d1c53b19 100644 (file)
--- a/services/api/app/models/job.rb
+++ b/services/api/app/models/job.rb
@@ -2,9 +2,11 @@ class Job < ArvadosModel
   include HasUuid
   include KindAndEtag
   include CommonApiTemplate
+  attr_protected :docker_image_locator
   serialize :script_parameters, Hash
   serialize :runtime_constraints, Hash
   serialize :tasks_summary, Hash
+  before_validation :find_docker_image_locator
   before_create :ensure_unique_submit_id
   before_create :ensure_script_version_is_commit
   before_update :ensure_script_version_is_commit
@@ -37,6 +39,8 @@ class Job < ArvadosModel
     t.add :dependencies
     t.add :nondeterministic
     t.add :repository
+    t.add :supplied_script_version
+    t.add :docker_image_locator
   end
 
   def assert_finished
@@ -80,6 +84,7 @@ class Job < ArvadosModel
     if new_record? or script_version_changed?
       sha1 = Commit.find_commit_range(current_user, self.repository, nil, self.script_version, nil)[0] rescue nil
       if sha1
+        self.supplied_script_version = self.script_version if self.supplied_script_version.nil? or self.supplied_script_version.empty?
         self.script_version = sha1
       else
         raise ArgumentError.new("Specified script_version does not resolve to a commit")
@@ -96,6 +101,21 @@ class Job < ArvadosModel
     true
   end
 
+  def find_docker_image_locator
+    # Find the Collection that holds the Docker image specified in the
+    # runtime constraints, and store its locator in docker_image_locator.
+    image_search = runtime_constraints['docker_image']
+    image_tag = runtime_constraints['docker_image_tag']
+    if image_search.nil?
+      self.docker_image_locator = nil
+    elsif coll = Collection.for_latest_docker_image(image_search, image_tag)
+      self.docker_image_locator = coll.uuid
+    else
+      errors.add(:docker_image_locator, "not found for #{image_search}")
+      false
+    end
+  end
+
   def dependencies
     deps = {}
     queue = self.script_parameters.values