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fix orchestrator startup and add exit_on_idle option

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Nick Sweeting 2024-11-16 02:44:57 -08:00
parent c3d692b5d5
commit 48bb634b75
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2 changed files with 111 additions and 77 deletions
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4
archivebox/actors/models.py
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@ -18,7 +18,7 @@ class DefaultStatusChoices(models.TextChoices):
default_status_field: models.CharField = models.CharField(choices=DefaultStatusChoices.choices, max_length=15, default=DefaultStatusChoices.QUEUED, null=False, blank=False, db_index=True) default_status_field: models.CharField = models.CharField(choices=DefaultStatusChoices.choices, max_length=15, default=DefaultStatusChoices.QUEUED, null=False, blank=False, db_index=True)
default_retry_at_field: models.DateTimeField = models.DateTimeField(default=timezone.now, null=False, db_index=True) default_retry_at_field: models.DateTimeField = models.DateTimeField(default=timezone.now, null=True, blank=True, db_index=True)
ObjectState = State | str ObjectState = State | str
ObjectStateList = Iterable[ObjectState] ObjectStateList = Iterable[ObjectState]
@ -164,7 +164,7 @@ class BaseModelWithStateMachine(models.Model, MachineMixin):
@classproperty @classproperty
def ACTIVE_STATE(cls) -> str: def ACTIVE_STATE(cls) -> str:
return cls._state_to_str(cls.StateMachineClass.active_state) return cls._state_to_str(cls.active_state)
@classproperty @classproperty
def INITIAL_STATE(cls) -> str: def INITIAL_STATE(cls) -> str:

180
archivebox/actors/orchestrator.py
View file

@ -3,29 +3,40 @@ __package__ = 'archivebox.actors'
import os import os
import time import time
import itertools import itertools
from typing import Dict, Type, Literal, ClassVar from typing import Dict, Type, Literal, TYPE_CHECKING
from django.utils.functional import classproperty from django.utils.functional import classproperty
from django.utils import timezone
import multiprocessing
from multiprocessing import Process
from threading import Thread, get_native_id from threading import Thread, get_native_id
from rich import print from rich import print
from django.db.models import QuerySet # from django.db.models import QuerySet
from django.apps import apps from django.apps import apps
if TYPE_CHECKING:
from .actor import ActorType from .actor import ActorType
multiprocessing.set_start_method('fork', force=True)
class Orchestrator: class Orchestrator:
pid: int pid: int
idle_count: int = 0 idle_count: int = 0
actor_types: Dict[str, Type[ActorType]] actor_types: Dict[str, Type['ActorType']] = {}
mode: Literal['thread', 'process'] = 'process' mode: Literal['thread', 'process'] = 'process'
exit_on_idle: bool = True
def __init__(self, actor_types: Dict[str, Type[ActorType]] | None = None, mode: Literal['thread', 'process'] | None=None): def __init__(self, actor_types: Dict[str, Type['ActorType']] | None = None, mode: Literal['thread', 'process'] | None=None, exit_on_idle: bool=True):
self.actor_types = actor_types or self.actor_types or self.autodiscover_actor_types() self.actor_types = actor_types or self.actor_types or self.autodiscover_actor_types()
self.mode = mode or self.mode self.mode = mode or self.mode
self.exit_on_idle = exit_on_idle
def __repr__(self) -> str: def __repr__(self) -> str:
label = 'tid' if self.mode == 'thread' else 'pid' label = 'tid' if self.mode == 'thread' else 'pid'
@ -45,7 +56,7 @@ class Orchestrator:
return self.thread.native_id return self.thread.native_id
def fork_as_process(self): def fork_as_process(self):
self.process = Process(target=self.runloop) self.process = multiprocessing.Process(target=self.runloop)
self.process.start() self.process.start()
assert self.process.pid is not None assert self.process.pid is not None
return self.process.pid return self.process.pid
@ -58,11 +69,19 @@ class Orchestrator:
raise ValueError(f'Invalid orchestrator mode: {self.mode}') raise ValueError(f'Invalid orchestrator mode: {self.mode}')
@classmethod @classmethod
def autodiscover_actor_types(cls) -> Dict[str, Type[ActorType]]: def autodiscover_actor_types(cls) -> Dict[str, Type['ActorType']]:
from archivebox.config.django import setup_django
setup_django()
# returns a Dict of all discovered {actor_type_id: ActorType} across the codebase # returns a Dict of all discovered {actor_type_id: ActorType} across the codebase
# override this method in a subclass to customize the actor types that are used # override this method in a subclass to customize the actor types that are used
# return {'Snapshot': SnapshotActorType, 'ArchiveResult_chrome': ChromeActorType, ...} # return {'Snapshot': SnapshotActorType, 'ArchiveResult_chrome': ChromeActorType, ...}
from crawls.actors import CrawlActor
from core.actors import SnapshotActor, ArchiveResultActor
return { return {
'CrawlActor': CrawlActor,
'SnapshotActor': SnapshotActor,
'ArchiveResultActor': ArchiveResultActor,
# look through all models and find all classes that inherit from ActorType # look through all models and find all classes that inherit from ActorType
# actor_type.__name__: actor_type # actor_type.__name__: actor_type
# for actor_type in abx.pm.hook.get_all_ACTORS_TYPES().values() # for actor_type in abx.pm.hook.get_all_ACTORS_TYPES().values()
@ -111,8 +130,13 @@ class Orchestrator:
orphaned_objects = self.get_orphaned_objects(all_queues) orphaned_objects = self.get_orphaned_objects(all_queues)
if orphaned_objects: if orphaned_objects:
print('[red]👨‍✈️ WARNING: some objects may not be processed, no actor has claimed them after 60s:[/red]', orphaned_objects) print('[red]👨‍✈️ WARNING: some objects may not be processed, no actor has claimed them after 60s:[/red]', orphaned_objects)
if self.idle_count > 5 and self.exit_on_idle:
raise KeyboardInterrupt('Orchestrator has no more tasks to process, exiting')
def runloop(self): def runloop(self):
from archivebox.config.django import setup_django
setup_django()
self.on_startup() self.on_startup()
try: try:
while True: while True:
@ -160,85 +184,95 @@ class Orchestrator:
from archivebox.config.django import setup_django # from archivebox.config.django import setup_django
setup_django() # setup_django()
from core.models import ArchiveResult, Snapshot # from core.models import ArchiveResult, Snapshot
from django.utils import timezone # from django.utils import timezone
from django import db # from django import db
from django.db import connection # from django.db import connection
from crawls.actors import CrawlActor # from crawls.actors import CrawlActor
from .actor_snapshot import SnapshotActor # from core.actors import SnapshotActor, ArchiveResultActor
from abx_plugin_singlefile.actors import SinglefileActor # class ArchivingOrchestrator(Orchestrator):
# actor_types = {
# 'CrawlActor': CrawlActor,
# 'SnapshotActor': SnapshotActor,
# 'ArchiveResultActor': ArchiveResultActor,
# # 'FaviconActor': FaviconActor,
# # 'SinglefileActor': SinglefileActor,
# }
# from abx_plugin_singlefile.actors import SinglefileActor
class FaviconActor(ActorType[ArchiveResult]): # class FaviconActor(ActorType[ArchiveResult]):
CLAIM_ORDER: ClassVar[str] = 'created_at DESC' # CLAIM_ORDER: ClassVar[str] = 'created_at DESC'
CLAIM_WHERE: ClassVar[str] = 'status = "queued" AND extractor = "favicon"' # CLAIM_WHERE: ClassVar[str] = 'status = "queued" AND extractor = "favicon"'
CLAIM_SET: ClassVar[str] = 'status = "started"' # CLAIM_SET: ClassVar[str] = 'status = "started"'
@classproperty # @classproperty
def QUERYSET(cls) -> QuerySet: # def QUERYSET(cls) -> QuerySet:
return ArchiveResult.objects.filter(status='failed', extractor='favicon') # return ArchiveResult.objects.filter(status='failed', extractor='favicon')
def tick(self, obj: ArchiveResult): # def tick(self, obj: ArchiveResult):
print(f'[grey53]{self}.tick({obj.abid or obj.id}, status={obj.status}) remaining:[/grey53]', self.get_queue().count()) # print(f'[grey53]{self}.tick({obj.abid or obj.id}, status={obj.status}) remaining:[/grey53]', self.get_queue().count())
updated = ArchiveResult.objects.filter(id=obj.id, status='started').update(status='success') == 1 # updated = ArchiveResult.objects.filter(id=obj.id, status='started').update(status='success') == 1
if not updated: # if not updated:
raise Exception(f'Failed to update {obj.abid or obj.id}, interrupted by another actor writing to the same object') # raise Exception(f'Failed to update {obj.abid or obj.id}, interrupted by another actor writing to the same object')
obj.refresh_from_db() # obj.refresh_from_db()
obj.save() # obj.save()
class ExtractorsOrchestrator(Orchestrator): # class ArchivingOrchestrator(Orchestrator):
actor_types = { # actor_types = {
'CrawlActor': CrawlActor, # 'CrawlActor': CrawlActor,
'SnapshotActor': SnapshotActor, # 'SnapshotActor': SnapshotActor,
'FaviconActor': FaviconActor, # 'ArchiveResultActor': ArchiveResultActor,
'SinglefileActor': SinglefileActor, # # 'FaviconActor': FaviconActor,
} # # 'SinglefileActor': SinglefileActor,
# }
if __name__ == '__main__': # if __name__ == '__main__':
orchestrator = ExtractorsOrchestrator() # orchestrator = ExtractorsOrchestrator()
orchestrator.start() # orchestrator.start()
snap = Snapshot.objects.last() # snap = Snapshot.objects.last()
assert snap is not None # assert snap is not None
created = 0 # created = 0
while True: # while True:
time.sleep(0.05) # time.sleep(0.05)
# try: # # try:
# ArchiveResult.objects.bulk_create([ # # ArchiveResult.objects.bulk_create([
# ArchiveResult( # # ArchiveResult(
# id=uuid.uuid4(), # # id=uuid.uuid4(),
# snapshot=snap, # # snapshot=snap,
# status='failed', # # status='failed',
# extractor='favicon', # # extractor='favicon',
# cmd=['echo', '"hello"'], # # cmd=['echo', '"hello"'],
# cmd_version='1.0', # # cmd_version='1.0',
# pwd='.', # # pwd='.',
# start_ts=timezone.now(), # # start_ts=timezone.now(),
# end_ts=timezone.now(), # # end_ts=timezone.now(),
# created_at=timezone.now(), # # created_at=timezone.now(),
# modified_at=timezone.now(), # # modified_at=timezone.now(),
# created_by_id=1, # # created_by_id=1,
# ) # # )
# for _ in range(100) # # for _ in range(100)
# ]) # # ])
# created += 100 # # created += 100
# if created % 1000 == 0: # # if created % 1000 == 0:
# print(f'[blue]Created {created} ArchiveResults...[/blue]') # # print(f'[blue]Created {created} ArchiveResults...[/blue]')
# time.sleep(25) # # time.sleep(25)
# except Exception as err: # # except Exception as err:
# print(err) # # print(err)
# db.connections.close_all() # # db.connections.close_all()
# except BaseException as err: # # except BaseException as err:
# print(err) # # print(err)
# break # # break