-
Notifications
You must be signed in to change notification settings - Fork 93
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Test the simulation mode code. (#5712)
* Test the simulation mode code. - Refactor simulation mode functions. - Improve documentation of sim mode settings. - Ensure 100% test coverage of sim mode.
- Loading branch information
Showing
13 changed files
with
628 additions
and
127 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,219 @@ | ||
| # THIS FILE IS PART OF THE CYLC WORKFLOW ENGINE. | ||
| # Copyright (C) NIWA & British Crown (Met Office) & Contributors. | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation, either version 3 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License | ||
| # along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| """Utilities supporting simulation and skip modes | ||
| """ | ||
|
|
||
| from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union | ||
| from time import time | ||
|
|
||
| from cylc.flow.cycling.loader import get_point | ||
| from cylc.flow.network.resolvers import TaskMsg | ||
| from cylc.flow.platforms import FORBIDDEN_WITH_PLATFORM | ||
| from cylc.flow.task_state import ( | ||
| TASK_STATUS_RUNNING, | ||
| TASK_STATUS_FAILED, | ||
| TASK_STATUS_SUCCEEDED, | ||
| ) | ||
| from cylc.flow.wallclock import get_current_time_string | ||
|
|
||
| from metomi.isodatetime.parsers import DurationParser | ||
|
|
||
| if TYPE_CHECKING: | ||
| from queue import Queue | ||
| from cylc.flow.cycling import PointBase | ||
| from cylc.flow.task_proxy import TaskProxy | ||
|
|
||
|
|
||
| def configure_sim_modes(taskdefs, sim_mode): | ||
| """Adjust task defs for simulation and dummy mode. | ||
| """ | ||
| dummy_mode = bool(sim_mode == 'dummy') | ||
|
|
||
| for tdef in taskdefs: | ||
| # Compute simulated run time by scaling the execution limit. | ||
| rtc = tdef.rtconfig | ||
| sleep_sec = get_simulated_run_len(rtc) | ||
|
|
||
| rtc['execution time limit'] = ( | ||
| sleep_sec + DurationParser().parse(str( | ||
| rtc['simulation']['time limit buffer'])).get_seconds() | ||
| ) | ||
|
|
||
| rtc['simulation']['simulated run length'] = sleep_sec | ||
| rtc['submission retry delays'] = [1] | ||
|
|
||
| # Generate dummy scripting. | ||
| rtc['init-script'] = "" | ||
| rtc['env-script'] = "" | ||
| rtc['pre-script'] = "" | ||
| rtc['post-script'] = "" | ||
| rtc['script'] = build_dummy_script( | ||
| rtc, sleep_sec) if dummy_mode else "" | ||
|
|
||
| disable_platforms(rtc) | ||
|
|
||
| # Disable environment, in case it depends on env-script. | ||
| rtc['environment'] = {} | ||
|
|
||
| rtc["simulation"][ | ||
| "fail cycle points" | ||
| ] = parse_fail_cycle_points( | ||
| rtc["simulation"]["fail cycle points"] | ||
| ) | ||
|
|
||
|
|
||
| def get_simulated_run_len(rtc: Dict[str, Any]) -> int: | ||
| """Get simulated run time. | ||
| rtc = run time config | ||
| """ | ||
| limit = rtc['execution time limit'] | ||
| speedup = rtc['simulation']['speedup factor'] | ||
| if limit and speedup: | ||
| sleep_sec = (DurationParser().parse( | ||
| str(limit)).get_seconds() / speedup) | ||
| else: | ||
| sleep_sec = DurationParser().parse( | ||
| str(rtc['simulation']['default run length']) | ||
| ).get_seconds() | ||
|
|
||
| return sleep_sec | ||
|
|
||
|
|
||
| def build_dummy_script(rtc: Dict[str, Any], sleep_sec: int) -> str: | ||
| """Create fake scripting for dummy mode. | ||
| This is for Dummy mode only. | ||
| """ | ||
| script = "sleep %d" % sleep_sec | ||
| # Dummy message outputs. | ||
| for msg in rtc['outputs'].values(): | ||
| script += "\ncylc message '%s'" % msg | ||
| if rtc['simulation']['fail try 1 only']: | ||
| arg1 = "true" | ||
| else: | ||
| arg1 = "false" | ||
| arg2 = " ".join(rtc['simulation']['fail cycle points']) | ||
| script += "\ncylc__job__dummy_result %s %s || exit 1" % (arg1, arg2) | ||
| return script | ||
|
|
||
|
|
||
| def disable_platforms( | ||
| rtc: Dict[str, Any] | ||
| ) -> None: | ||
| """Force platform = localhost | ||
| Remove legacy sections [job] and [remote], which would conflict | ||
| with setting platforms. | ||
| This can be simplified when support for the FORBIDDEN_WITH_PLATFORM | ||
| configurations is dropped. | ||
| """ | ||
| for section, keys in FORBIDDEN_WITH_PLATFORM.items(): | ||
| if section in rtc: | ||
| for key in keys: | ||
| if key in rtc[section]: | ||
| rtc[section][key] = None | ||
| rtc['platform'] = 'localhost' | ||
|
|
||
|
|
||
| def parse_fail_cycle_points( | ||
| f_pts_orig: List[str] | ||
| ) -> 'Union[None, List[PointBase]]': | ||
| """Parse `[simulation][fail cycle points]`. | ||
| - None for "fail all points". | ||
| - Else a list of cycle point objects. | ||
| Examples: | ||
| >>> this = parse_fail_cycle_points | ||
| >>> this(['all']) is None | ||
| True | ||
| >>> this([]) | ||
| [] | ||
| """ | ||
| f_pts: 'Optional[List[PointBase]]' | ||
| if 'all' in f_pts_orig: | ||
| f_pts = None | ||
| else: | ||
| f_pts = [] | ||
| for point_str in f_pts_orig: | ||
| f_pts.append(get_point(point_str).standardise()) | ||
| return f_pts | ||
|
|
||
|
|
||
| def sim_time_check( | ||
| message_queue: 'Queue[TaskMsg]', itasks: 'List[TaskProxy]' | ||
| ) -> bool: | ||
| """Check if sim tasks have been "running" for as long as required. | ||
| If they have change the task state. | ||
| Returns: | ||
| True if _any_ simulated task state has changed. | ||
| """ | ||
| sim_task_state_changed = False | ||
| now = time() | ||
| for itask in itasks: | ||
| if itask.state.status != TASK_STATUS_RUNNING: | ||
| continue | ||
| # Started time is not set on restart | ||
| if itask.summary['started_time'] is None: | ||
| itask.summary['started_time'] = now | ||
| timeout = ( | ||
| itask.summary['started_time'] + | ||
| itask.tdef.rtconfig['simulation']['simulated run length'] | ||
| ) | ||
| if now > timeout: | ||
| job_d = itask.tokens.duplicate(job=str(itask.submit_num)) | ||
| now_str = get_current_time_string() | ||
| if sim_task_failed( | ||
| itask.tdef.rtconfig['simulation'], | ||
| itask.point, | ||
| itask.get_try_num() | ||
| ): | ||
| message_queue.put( | ||
| TaskMsg(job_d, now_str, 'CRITICAL', TASK_STATUS_FAILED) | ||
| ) | ||
| else: | ||
| # Simulate message outputs. | ||
| for msg in itask.tdef.rtconfig['outputs'].values(): | ||
| message_queue.put( | ||
| TaskMsg(job_d, now_str, 'DEBUG', msg) | ||
| ) | ||
| message_queue.put( | ||
| TaskMsg(job_d, now_str, 'DEBUG', TASK_STATUS_SUCCEEDED) | ||
| ) | ||
| sim_task_state_changed = True | ||
| return sim_task_state_changed | ||
|
|
||
|
|
||
| def sim_task_failed( | ||
| sim_conf: Dict[str, Any], | ||
| point: 'PointBase', | ||
| try_num: int, | ||
| ) -> bool: | ||
| """Encapsulate logic for deciding whether a sim task has failed. | ||
| Allows Unit testing. | ||
| """ | ||
| return ( | ||
| sim_conf['fail cycle points'] is None # i.e. "all" | ||
| or point in sim_conf['fail cycle points'] | ||
| ) and ( | ||
| try_num == 1 or not sim_conf['fail try 1 only'] | ||
| ) |
Oops, something went wrong.