def _parse_schedules(cls, data):
schedule = None
restrict_schedule = None
if "schedule" in data and not data["auto"]:
raise ValueError(
"You can't have schedule for replication that does not run automatically"
)
if data["direction"] == ReplicationDirection.PUSH:
if "schedule" in data:
if data["periodic-snapshot-tasks"]:
raise ValueError(
"Push replication can't be bound to periodic snapshot task and have "
"schedule at the same time")
schedule = CronSchedule.from_data(data["schedule"])
else:
if data["auto"] and not data["periodic-snapshot-tasks"]:
raise ValueError(
"Push replication that runs automatically must be either bound to periodic "
"snapshot task or have schedule")
if "restrict-schedule" in data:
if not data["auto"]:
raise ValueError(
"You can only have restrict-schedule for replication that runs "
"automatically")
if not data["periodic-snapshot-tasks"]:
raise ValueError(
"You can only have restrict-schedule for replication that is bound to "
"periodic snapshot tasks")
restrict_schedule = CronSchedule.from_data(
data["restrict-schedule"])
if data["direction"] == ReplicationDirection.PULL:
if "schedule" in data:
schedule = CronSchedule.from_data(data["schedule"])
if "restrict-schedule" in data:
raise ValueError(
"Pull replication can't have restrict-schedule")
if data["periodic-snapshot-tasks"]:
raise ValueError(
"Pull replication can't be bound to periodic snapshot task"
)
return schedule, restrict_schedule
def from_data(cls, data: dict):
if data["retention-policy"] == "source":
return SameAsSourceSnapshotRetentionPolicy()
if data["retention-policy"] == "custom":
if "lifetime" not in data:
raise ValueError(
"lifetime is required for custom retention policy")
return CustomSnapshotRetentionPolicy(
isodate.parse_duration(data["lifetime"]),
sorted(
[
CustomSnapshotRetentionPolicyLifetime(
CronSchedule.from_data(lifetime["schedule"]),
isodate.parse_duration(lifetime["lifetime"]),
) for lifetime in data.get("lifetimes", {}).values()
],
key=lambda lifetime: lifetime.lifetime,
reverse=True,
),
)
if data["retention-policy"] == "none":
return NoneSnapshotRetentionPolicy()
raise ValueError(
f"Unknown retention policy: {data['retention-policy']!r}")
def test__get_snapshot_to_send__restrict_schedule():
assert get_snapshots_to_send(
["2018-09-02_17-45", "2018-09-02_17-46", "2018-09-02_17-47"],
["2018-09-02_17-45"],
Mock(periodic_snapshot_tasks=[Mock(naming_schema="%Y-%m-%d_%H-%M")],
also_include_naming_schema=[],
restrict_schedule=CronSchedule("*/2", "*", "*", "*", "*", time(0, 0), time(23, 59)),
only_matching_schedule=False,
retention_policy=Mock(calculate_delete_snapshots=Mock(return_value=[]))),
) == ("2018-09-02_17-45", ["2018-09-02_17-46"])
def _parse_schedules(cls, data):
if "schedule" in data:
schedule = CronSchedule.from_data(data["schedule"])
else:
schedule = None
if "restrict-schedule" in data:
restrict_schedule = CronSchedule.from_data(
data["restrict-schedule"])
else:
restrict_schedule = None
if data["direction"] == ReplicationDirection.PUSH:
if schedule is None and data[
"auto"] and not data["periodic-snapshot-tasks"]:
raise ValueError(
"Push replication that runs automatically must be either bound to a periodic "
"snapshot task or have a schedule")
if data["direction"] == ReplicationDirection.PULL:
if schedule is None and data["auto"]:
raise ValueError(
"Pull replication that runs automatically must have a schedule"
)
if data["periodic-snapshot-tasks"]:
raise ValueError(
"Pull replication can't be bound to a periodic snapshot task"
)
if schedule:
if not data["auto"]:
raise ValueError(
"You can't have schedule for replication that does not run automatically"
)
else:
if data["only-matching-schedule"]:
raise ValueError(
"You can't have only-matching-schedule without schedule")
return schedule, restrict_schedule
def from_data(cls, data):
periodic_snapshot_task_validator.validate(data)
data.setdefault("exclude", [])
data.setdefault("allow-empty", True)
if "lifetime" in data:
lifetime = isodate.parse_duration(data["lifetime"])
else:
# timedelta.max is not good here because operations with it would result in
# OverflowError: date value out of range
lifetime = timedelta(days=36500)
return cls(data["id"], data["dataset"], data["recursive"],
data["exclude"], lifetime, data["naming-schema"],
CronSchedule.from_data(data["schedule"]),
data["allow-empty"])
# -*- coding=utf-8 -*-
from datetime import datetime, time
import pytest
from zettarepl.scheduler.cron import CronSchedule
@pytest.mark.parametrize("schedule,datetime,result", [
(CronSchedule(0, "*", "*", "*", "*", time(0, 0), time(
23, 59)), datetime(2018, 8, 31, 16, 0, 5, 54412), True),
(CronSchedule(0, "*", "*", "*", "*", time(9, 0), time(
15, 00)), datetime(2018, 8, 31, 16, 0, 5, 54412), False),
(CronSchedule(0, "*", "*", "*", "*", time(15, 0), time(
9, 00)), datetime(2018, 8, 31, 16, 0, 5, 54412), True),
(CronSchedule(0, "*", "*", "*", "*", time(15, 0), time(
9, 00)), datetime(2018, 8, 31, 8, 0, 5, 54412), True),
(CronSchedule(0, "*", "*", "*", "*", time(15, 0), time(
9, 00)), datetime(2018, 8, 31, 12, 0, 5, 54412), False),
])
def test__cron(schedule, datetime, result):
assert schedule.should_run(datetime) == result
