diff options
Diffstat (limited to 'third_party/python/taskcluster_taskgraph/taskgraph/actions/retrigger.py')
| -rw-r--r-- | third_party/python/taskcluster_taskgraph/taskgraph/actions/retrigger.py | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/third_party/python/taskcluster_taskgraph/taskgraph/actions/retrigger.py b/third_party/python/taskcluster_taskgraph/taskgraph/actions/retrigger.py new file mode 100644 index 0000000000..4758beb625 --- /dev/null +++ b/third_party/python/taskcluster_taskgraph/taskgraph/actions/retrigger.py @@ -0,0 +1,301 @@ +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + + +import logging +import sys +import textwrap + +from slugid import nice as slugid + +from taskgraph.util import taskcluster + +from .registry import register_callback_action +from .util import ( + combine_task_graph_files, + create_task_from_def, + create_tasks, + fetch_graph_and_labels, + relativize_datestamps, +) + +logger = logging.getLogger(__name__) + +RERUN_STATES = ("exception", "failed") + + +def _should_retrigger(task_graph, label): + """ + Return whether a given task in the taskgraph should be retriggered. + + This handles the case where the task isn't there by assuming it should not be. + """ + if label not in task_graph: + logger.info( + "Task {} not in full taskgraph, assuming task should not be retriggered.".format( + label + ) + ) + return False + return task_graph[label].attributes.get("retrigger", False) + + +@register_callback_action( + title="Retrigger", + name="retrigger", + symbol="rt", + cb_name="retrigger-decision", + description=textwrap.dedent( + """\ + Create a clone of the task (retriggering decision, action, and cron tasks requires + special scopes).""" + ), + order=11, + context=[ + {"kind": "decision-task"}, + {"kind": "action-callback"}, + {"kind": "cron-task"}, + ], +) +def retrigger_decision_action(parameters, graph_config, input, task_group_id, task_id): + """For a single task, we try to just run exactly the same task once more. + It's quite possible that we don't have the scopes to do so (especially for + an action), but this is best-effort.""" + + # make all of the timestamps relative; they will then be turned back into + # absolute timestamps relative to the current time. + task = taskcluster.get_task_definition(task_id) + task = relativize_datestamps(task) + create_task_from_def(slugid(), task, parameters["level"]) + + +@register_callback_action( + title="Retrigger", + name="retrigger", + symbol="rt", + generic=True, + description=("Create a clone of the task."), + order=19, # must be greater than other orders in this file, as this is the fallback version + context=[{"retrigger": "true"}], + schema={ + "type": "object", + "properties": { + "downstream": { + "type": "boolean", + "description": ( + "If true, downstream tasks from this one will be cloned as well. " + "The dependencies will be updated to work with the new task at the root." + ), + "default": False, + }, + "times": { + "type": "integer", + "default": 1, + "minimum": 1, + "maximum": 100, + "title": "Times", + "description": "How many times to run each task.", + }, + }, + }, +) +@register_callback_action( + title="Retrigger (disabled)", + name="retrigger", + cb_name="retrigger-disabled", + symbol="rt", + generic=True, + description=( + "Create a clone of the task.\n\n" + "This type of task should typically be re-run instead of re-triggered." + ), + order=20, # must be greater than other orders in this file, as this is the fallback version + context=[{}], + schema={ + "type": "object", + "properties": { + "downstream": { + "type": "boolean", + "description": ( + "If true, downstream tasks from this one will be cloned as well. " + "The dependencies will be updated to work with the new task at the root." + ), + "default": False, + }, + "times": { + "type": "integer", + "default": 1, + "minimum": 1, + "maximum": 100, + "title": "Times", + "description": "How many times to run each task.", + }, + "force": { + "type": "boolean", + "default": False, + "description": ( + "This task should not be re-triggered. " + "This can be overridden by passing `true` here." + ), + }, + }, + }, +) +def retrigger_action(parameters, graph_config, input, task_group_id, task_id): + decision_task_id, full_task_graph, label_to_taskid = fetch_graph_and_labels( + parameters, graph_config + ) + + task = taskcluster.get_task_definition(task_id) + label = task["metadata"]["name"] + + with_downstream = " " + to_run = [label] + + if not input.get("force", None) and not _should_retrigger(full_task_graph, label): + logger.info( + "Not retriggering task {}, task should not be retrigged " + "and force not specified.".format(label) + ) + sys.exit(1) + + if input.get("downstream"): + to_run = full_task_graph.graph.transitive_closure( + set(to_run), reverse=True + ).nodes + to_run = to_run & set(label_to_taskid.keys()) + with_downstream = " (with downstream) " + + times = input.get("times", 1) + for i in range(times): + create_tasks( + graph_config, + to_run, + full_task_graph, + label_to_taskid, + parameters, + decision_task_id, + i, + ) + + logger.info(f"Scheduled {label}{with_downstream}(time {i + 1}/{times})") + combine_task_graph_files(list(range(times))) + + +@register_callback_action( + title="Rerun", + name="rerun", + generic=True, + symbol="rr", + description=( + "Rerun a task.\n\n" + "This only works on failed or exception tasks in the original taskgraph," + " and is CoT friendly." + ), + order=300, + context=[{}], + schema={"type": "object", "properties": {}}, +) +def rerun_action(parameters, graph_config, input, task_group_id, task_id): + task = taskcluster.get_task_definition(task_id) + parameters = dict(parameters) + decision_task_id, full_task_graph, label_to_taskid = fetch_graph_and_labels( + parameters, graph_config + ) + label = task["metadata"]["name"] + if task_id not in label_to_taskid.values(): + logger.error( + "Refusing to rerun {}: taskId {} not in decision task {} label_to_taskid!".format( + label, task_id, decision_task_id + ) + ) + + _rerun_task(task_id, label) + + +def _rerun_task(task_id, label): + state = taskcluster.state_task(task_id) + if state not in RERUN_STATES: + logger.warning( + "No need to rerun {}: state '{}' not in {}!".format( + label, state, RERUN_STATES + ) + ) + return + taskcluster.rerun_task(task_id) + logger.info(f"Reran {label}") + + +@register_callback_action( + title="Retrigger", + name="retrigger-multiple", + symbol="rt", + generic=True, + description=("Create a clone of the task."), + context=[], + schema={ + "type": "object", + "properties": { + "requests": { + "type": "array", + "items": { + "tasks": { + "type": "array", + "description": "An array of task labels", + "items": {"type": "string"}, + }, + "times": { + "type": "integer", + "minimum": 1, + "maximum": 100, + "title": "Times", + "description": "How many times to run each task.", + }, + "additionalProperties": False, + }, + }, + "additionalProperties": False, + }, + }, +) +def retrigger_multiple(parameters, graph_config, input, task_group_id, task_id): + decision_task_id, full_task_graph, label_to_taskid = fetch_graph_and_labels( + parameters, graph_config + ) + + suffixes = [] + for i, request in enumerate(input.get("requests", [])): + times = request.get("times", 1) + rerun_tasks = [ + label + for label in request.get("tasks") + if not _should_retrigger(full_task_graph, label) + ] + retrigger_tasks = [ + label + for label in request.get("tasks") + if _should_retrigger(full_task_graph, label) + ] + + for label in rerun_tasks: + # XXX we should not re-run tasks pulled in from other pushes + # In practice, this shouldn't matter, as only completed tasks + # are pulled in from other pushes and treeherder won't pass + # those labels. + _rerun_task(label_to_taskid[label], label) + + for j in range(times): + suffix = f"{i}-{j}" + suffixes.append(suffix) + create_tasks( + graph_config, + retrigger_tasks, + full_task_graph, + label_to_taskid, + parameters, + decision_task_id, + suffix, + ) + + combine_task_graph_files(suffixes) |