include HasUuid
include KindAndEtag
include CommonApiTemplate
+ extend CurrentApiClient
+ serialize :components, Hash
attr_protected :arvados_sdk_version, :docker_image_locator
serialize :script_parameters, Hash
serialize :runtime_constraints, Hash
after_commit :trigger_crunch_dispatch_if_cancelled, :on => :update
before_validation :set_priority
before_validation :update_state_from_old_state_attrs
+ before_validation :update_script_parameters_digest
validate :ensure_script_version_is_commit
- validate :find_arvados_sdk_version
validate :find_docker_image_locator
+ validate :find_arvados_sdk_version
validate :validate_status
validate :validate_state_change
validate :ensure_no_collection_uuids_in_script_params
t.add :queue_position
t.add :node_uuids
t.add :description
+ t.add :components
end
# Supported states for a job
(Complete = 'Complete'),
]
+ after_initialize do
+ @need_crunch_dispatch_trigger = false
+ end
+
def assert_finished
update_attributes(finished_at: finished_at || db_current_time,
success: success.nil? ? false : success,
end
def queue_position
- Job::queue.each_with_index do |job, index|
- if job[:uuid] == self.uuid
- return index
- end
- end
- nil
+ # We used to report this accurately, but the implementation made queue
+ # API requests O(n**2) for the size of the queue. See #8800.
+ # We've soft-disabled it because it's not clear we even want this
+ # functionality: now that we have Node Manager with support for multiple
+ # node sizes, "queue position" tells you very little about when a job will
+ # run.
+ state == Queued ? 0 : nil
end
def self.running
end
def lock locked_by_uuid
- transaction do
- self.reload
+ with_lock do
unless self.state == Queued and self.is_locked_by_uuid.nil?
raise AlreadyLockedError
end
end
end
+ def update_script_parameters_digest
+ self.script_parameters_digest = self.class.sorted_hash_digest(script_parameters)
+ end
+
+ def self.searchable_columns operator
+ super - ["script_parameters_digest"]
+ end
+
+ def self.load_job_specific_filters attrs, orig_filters, read_users
+ # Convert Job-specific @filters entries into general SQL filters.
+ script_info = {"repository" => nil, "script" => nil}
+ git_filters = Hash.new do |hash, key|
+ hash[key] = {"max_version" => "HEAD", "exclude_versions" => []}
+ end
+ filters = []
+ orig_filters.each do |attr, operator, operand|
+ if (script_info.has_key? attr) and (operator == "=")
+ if script_info[attr].nil?
+ script_info[attr] = operand
+ elsif script_info[attr] != operand
+ raise ArgumentError.new("incompatible #{attr} filters")
+ end
+ end
+ case operator
+ when "in git"
+ git_filters[attr]["min_version"] = operand
+ when "not in git"
+ git_filters[attr]["exclude_versions"] += Array.wrap(operand)
+ when "in docker", "not in docker"
+ image_hashes = Array.wrap(operand).flat_map do |search_term|
+ image_search, image_tag = search_term.split(':', 2)
+ Collection.
+ find_all_for_docker_image(image_search, image_tag, read_users).
+ map(&:portable_data_hash)
+ end
+ filters << [attr, operator.sub(/ docker$/, ""), image_hashes]
+ else
+ filters << [attr, operator, operand]
+ end
+ end
+
+ # Build a real script_version filter from any "not? in git" filters.
+ git_filters.each_pair do |attr, filter|
+ case attr
+ when "script_version"
+ script_info.each_pair do |key, value|
+ if value.nil?
+ raise ArgumentError.new("script_version filter needs #{key} filter")
+ end
+ end
+ filter["repository"] = script_info["repository"]
+ if attrs[:script_version]
+ filter["max_version"] = attrs[:script_version]
+ else
+ # Using HEAD, set earlier by the hash default, is fine.
+ end
+ when "arvados_sdk_version"
+ filter["repository"] = "arvados"
+ else
+ raise ArgumentError.new("unknown attribute for git filter: #{attr}")
+ end
+ revisions = Commit.find_commit_range(filter["repository"],
+ filter["min_version"],
+ filter["max_version"],
+ filter["exclude_versions"])
+ if revisions.empty?
+ raise ArgumentError.
+ new("error searching #{filter['repository']} from " +
+ "'#{filter['min_version']}' to '#{filter['max_version']}', " +
+ "excluding #{filter['exclude_versions']}")
+ end
+ filters.append([attr, "in", revisions])
+ end
+
+ filters
+ end
+
+ def self.find_reusable attrs, params, filters, read_users
+ if filters.empty? # Translate older creation parameters into filters.
+ filters =
+ [["repository", "=", attrs[:repository]],
+ ["script", "=", attrs[:script]],
+ ["script_version", "not in git", params[:exclude_script_versions]],
+ ].reject { |filter| filter.last.nil? or filter.last.empty? }
+ if !params[:minimum_script_version].blank?
+ filters << ["script_version", "in git",
+ params[:minimum_script_version]]
+ else
+ filters += default_git_filters("script_version", attrs[:repository],
+ attrs[:script_version])
+ end
+ if image_search = attrs[:runtime_constraints].andand["docker_image"]
+ if image_tag = attrs[:runtime_constraints]["docker_image_tag"]
+ image_search += ":#{image_tag}"
+ end
+ image_locator = Collection.
+ for_latest_docker_image(image_search).andand.portable_data_hash
+ else
+ image_locator = nil
+ end
+ filters << ["docker_image_locator", "=", image_locator]
+ if sdk_version = attrs[:runtime_constraints].andand["arvados_sdk_version"]
+ filters += default_git_filters("arvados_sdk_version", "arvados", sdk_version)
+ end
+ filters = load_job_specific_filters(attrs, filters, read_users)
+ end
+
+ # Check specified filters for some reasonableness.
+ filter_names = filters.map { |f| f.first }.uniq
+ ["repository", "script"].each do |req_filter|
+ if not filter_names.include?(req_filter)
+ return send_error("#{req_filter} filter required")
+ end
+ end
+
+ # Search for a reusable Job, and return it if found.
+ candidates = Job.
+ readable_by(current_user).
+ where('state = ? or (owner_uuid = ? and state in (?))',
+ Job::Complete, current_user.uuid, [Job::Queued, Job::Running]).
+ where('script_parameters_digest = ?', Job.sorted_hash_digest(attrs[:script_parameters])).
+ where('nondeterministic is distinct from ?', true).
+ order('state desc, created_at') # prefer Running jobs over Queued
+ candidates = apply_filters candidates, filters
+ chosen = nil
+ incomplete_job = nil
+ candidates.each do |j|
+ if j.state != Job::Complete
+ # We'll use this if we don't find a job that has completed
+ incomplete_job ||= j
+ next
+ end
+
+ if chosen == false
+ # We have already decided not to reuse any completed job
+ next
+ elsif chosen
+ if chosen.output != j.output
+ # If two matching jobs produced different outputs, run a new
+ # job (or use one that's already running/queued) instead of
+ # choosing one arbitrarily.
+ chosen = false
+ end
+ # ...and that's the only thing we need to do once we've chosen
+ # a job to reuse.
+ elsif !Collection.readable_by(current_user).find_by_portable_data_hash(j.output)
+ # As soon as the output we will end up returning (if any) is
+ # decided, check whether it will be visible to the user; if
+ # not, any further investigation of reusable jobs is futile.
+ chosen = false
+ else
+ chosen = j
+ end
+ end
+ chosen || incomplete_job
+ end
+
+ def self.default_git_filters(attr_name, repo_name, refspec)
+ # Add a filter to @filters for `attr_name` = the latest commit available
+ # in `repo_name` at `refspec`. No filter is added if refspec can't be
+ # resolved.
+ commits = Commit.find_commit_range(repo_name, nil, refspec, nil)
+ if commit_hash = commits.first
+ [[attr_name, "=", commit_hash]]
+ else
+ []
+ end
+ end
+
protected
+ def self.sorted_hash_digest h
+ Digest::MD5.hexdigest(Oj.dump(deep_sort_hash(h)))
+ end
+
def foreign_key_attributes
super + %w(output log)
end
end
def ensure_script_version_is_commit
- if self.state == Running
+ if 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.
end
def tag_version_in_internal_repository
- if self.state == Running
+ if state == Running
# No point now. See ensure_script_version_is_commit.
true
+ elsif errors.any?
+ # Won't be saved, and script_version might not even be valid.
+ true
elsif new_record? or repository_changed? or script_version_changed?
uuid_was = uuid
begin
assign_uuid
Commit.tag_in_internal_repository repository, script_version, uuid
rescue
- uuid = uuid_was
+ self.uuid = uuid_was
raise
end
end
end
def find_docker_image_locator
+ runtime_constraints['docker_image'] =
+ Rails.configuration.default_docker_image_for_jobs if ((runtime_constraints.is_a? Hash) and
+ (runtime_constraints['docker_image']).nil? and
+ Rails.configuration.default_docker_image_for_jobs)
resolve_runtime_constraint("docker_image",
:docker_image_locator) do |image_search|
image_tag = runtime_constraints['docker_image_tag']
output_changed? or
log_changed? or
tasks_summary_changed? or
- state_changed?
+ state_changed? or
+ components_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
def ensure_no_collection_uuids_in_script_params
- # recursive_hash_search searches recursively through hashes and
- # arrays in 'thing' for string fields matching regular expression
- # 'pattern'. Returns true if pattern is found, false otherwise.
- def recursive_hash_search thing, pattern
- if thing.is_a? Hash
- thing.each do |k, v|
- return true if recursive_hash_search v, pattern
- end
- elsif thing.is_a? Array
- thing.each do |k|
- return true if recursive_hash_search k, pattern
- end
- elsif thing.is_a? String
- return true if thing.match pattern
- end
- false
- end
-
# Fail validation if any script_parameters field includes a string containing a
# collection uuid pattern.
if self.script_parameters_changed?
end
true
end
+
+ # recursive_hash_search searches recursively through hashes and
+ # arrays in 'thing' for string fields matching regular expression
+ # 'pattern'. Returns true if pattern is found, false otherwise.
+ def recursive_hash_search thing, pattern
+ if thing.is_a? Hash
+ thing.each do |k, v|
+ return true if recursive_hash_search v, pattern
+ end
+ elsif thing.is_a? Array
+ thing.each do |k|
+ return true if recursive_hash_search k, pattern
+ end
+ elsif thing.is_a? String
+ return true if thing.match pattern
+ end
+ false
+ end
end
projects / arvados.git / blobdiff