validate :ensure_script_version_is_commit
validate :find_docker_image_locator
validate :validate_status
+ validate :validate_state_change
has_many :commit_ancestors, :foreign_key => :descendant, :primary_key => :script_version
has_many(:nodes, foreign_key: :job_uuid, primary_key: :uuid)
order('priority desc, created_at')
end
+ def lock locked_by_uuid
+ transaction do
+ self.reload
+ unless self.state == Queued and self.is_locked_by_uuid.nil?
+ raise ConflictError.new
+ end
+ self.state = Running
+ self.is_locked_by_uuid = locked_by_uuid
+ self.save!
+ end
+ end
+
protected
def foreign_key_attributes
end
def ensure_script_version_is_commit
- if self.is_locked_by_uuid and self.started_at
+ if self.state == Running
# 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.
success_changed? or
output_changed? or
log_changed? or
- tasks_summary_changed?
+ tasks_summary_changed? or
+ state_changed?
logger.warn "User #{current_user.uuid if current_user} tried to change protected job attributes on locked #{self.class.to_s} #{uuid_was}"
return false
end
end
end
+ def validate_state_change
+ if self.state_changed?
+ if self.state_was.in? [Complete, Failed, Cancelled]
+ # Once in a finished state, don't permit any changes
+ errors.add :state, "invalid change from #{self.state_was} to #{self.state}"
+ return false
+ elsif self.state_was == Running and not self.state.in? [Complete, Failed, Cancelled]
+ # From running, can only transition to a finished state
+ errors.add :state, "invalid change from #{self.state_was} to #{self.state}"
+ return false
+ end
+ end
+ true
+ end
end