def test_push_replication(transport, properties):
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs receive -A data/dst", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs set test:property=test-value data/src", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_02-00", shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
definition = yaml.safe_load(textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src:
dataset: data/src
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src:
direction: push
source-dataset: data/src
target-dataset: data/dst
recursive: true
periodic-snapshot-tasks:
- src
auto: true
retention-policy: none
retries: 1
"""))
definition["replication-tasks"]["src"]["transport"] = transport
definition["replication-tasks"]["src"]["properties"] = properties
definition = Definition.from_data(definition)
local_shell = LocalShell()
zettarepl = Zettarepl(Mock(), local_shell)
zettarepl._spawn_retention = Mock()
zettarepl.set_tasks(definition.tasks)
zettarepl._spawn_replication_tasks(select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
assert len(list_snapshots(local_shell, "data/dst", False)) == 2
assert (
("test-value" in subprocess.check_output("zfs get test:property data/dst", shell=True, encoding="utf-8")) ==
properties
)
subprocess.check_call("zfs snapshot data/src@2018-10-01_03-00", shell=True)
zettarepl._spawn_replication_tasks(select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
assert len(list_snapshots(local_shell, "data/dst", False)) == 3
def test_push_replication():
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs create data/src/child", shell=True)
subprocess.check_call("zfs snapshot -r data/src@2018-10-01_01-00",
shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src:
dataset: data/src
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src:
direction: push
transport:
type: local
source-dataset: data/src
target-dataset: data/dst
recursive: true
periodic-snapshot-tasks:
- src
auto: true
retention-policy: none
"""))
definition = Definition.from_data(definition)
zettarepl = create_zettarepl(definition)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
assert sum(1 for m in zettarepl.observer.call_args_list
if isinstance(m[0][0], ReplicationTaskSuccess)) == 1
subprocess.check_call("zfs destroy -r data/src/child", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_02-00", shell=True)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
assert sum(1 for m in zettarepl.observer.call_args_list
if isinstance(m[0][0], ReplicationTaskSuccess)) == 2
local_shell = LocalShell()
assert len(list_snapshots(local_shell, "data/dst/child", False)) == 1
def test_push_replication():
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs receive -A data/dst", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_02-00", shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
definition = Definition.from_data(yaml.load(textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src:
dataset: data/src
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src:
direction: push
transport:
type: local
source-dataset: data/src
target-dataset: data/dst
recursive: true
periodic-snapshot-tasks:
- src
auto: true
retention-policy: none
""")))
local_shell = LocalShell()
zettarepl = Zettarepl(Mock(), local_shell)
zettarepl._spawn_retention = Mock()
zettarepl.set_tasks(definition.tasks)
zettarepl._spawn_replication_tasks(select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
assert len(list_snapshots(local_shell, "data/dst", False)) == 2
subprocess.check_call("zfs snapshot data/src@2018-10-01_03-00", shell=True)
zettarepl._spawn_replication_tasks(select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
assert len(list_snapshots(local_shell, "data/dst", False)) == 3
def _run_remote_retention(self, now: datetime):
push_replication_tasks = list(
filter(self._is_push_replication_task,
select_by_class(ReplicationTask, self.tasks)))
local_snapshots_grouped = group_snapshots_by_datasets(
multilist_snapshots(
self.local_shell,
replication_tasks_source_datasets_queries(
push_replication_tasks)))
for transport, replication_tasks in self._transport_for_replication_tasks(
push_replication_tasks):
shell = self._get_shell(transport)
remote_snapshots = multilist_snapshots(
shell,
[(replication_task.target_dataset, replication_task.recursive)
for replication_task in replication_tasks])
remote_snapshots_grouped = group_snapshots_by_datasets(
remote_snapshots)
owners = [
ExecutedReplicationTaskSnapshotOwner(now, replication_task,
local_snapshots_grouped,
remote_snapshots_grouped)
for replication_task in replication_tasks
]
snapshots_to_destroy = calculate_snapshots_to_remove(
owners, remote_snapshots)
logger.info("Retention on transport %r destroying snapshots: %r",
transport, snapshots_to_destroy)
destroy_snapshots(shell, snapshots_to_destroy)
def test_replication_resume(caplog):
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call(
"dd if=/dev/zero of=/mnt/data/src/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
subprocess.check_call(
"(zfs send data/src@2018-10-01_01-00 | throttle -b 102400 | zfs recv -s -F data/dst) & "
"sleep 1; killall zfs",
shell=True)
assert "receive_resume_token\t1-" in subprocess.check_output(
"zfs get -H receive_resume_token data/dst",
shell=True,
encoding="utf-8")
definition = Definition.from_data(
yaml.load(
textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
- id: src
dataset: data/src
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
- id: src
direction: push
transport:
type: local
source-dataset: data/src
target-dataset: data/dst
recursive: true
periodic-snapshot-tasks:
- src
auto: true
retention-policy: none
""")))
local_shell = LocalShell()
zettarepl = Zettarepl(Mock(), local_shell)
zettarepl.set_tasks(definition.tasks)
zettarepl._run_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
assert any("Resuming replication for dst_dataset" in record.message
for record in caplog.get_records("call"))
assert len(list_snapshots(local_shell, "data/dst", False)) == 1
def run_periodic_snapshot_test(definition, now, success=True):
definition = Definition.from_data(definition)
zettarepl = create_zettarepl(definition)
zettarepl._run_periodic_snapshot_tasks(now, select_by_class(PeriodicSnapshotTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
if success:
for call in zettarepl.observer.call_args_list:
call = call[0][0]
assert not isinstance(call, PeriodicSnapshotTaskError), success
def test_replication_data_progress():
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call(
"dd if=/dev/urandom of=/mnt/data/src/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_01-00", shell=True)
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
replication-tasks:
src:
direction: push
transport:
type: ssh
hostname: 127.0.0.1
source-dataset:
- data/src
target-dataset: data/dst
recursive: true
also-include-naming-schema:
- "%Y-%m-%d_%H-%M"
auto: false
retention-policy: none
retries: 1
"""))
set_localhost_transport_options(
definition["replication-tasks"]["src"]["transport"])
definition["replication-tasks"]["src"]["speed-limit"] = 10240 * 9
with patch("zettarepl.replication.run.DatasetSizeObserver.INTERVAL", 5):
definition = Definition.from_data(definition)
zettarepl = create_zettarepl(definition)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
calls = [
call for call in zettarepl.observer.call_args_list
if call[0][0].__class__ == ReplicationTaskDataProgress
]
assert len(calls) == 2
assert 1024 * 1024 * 0.8 <= calls[0][0][0].src_size <= 1024 * 1024 * 1.2
assert 0 <= calls[0][0][0].dst_size <= 10240 * 1.2
assert 1024 * 1024 * 0.8 <= calls[1][0][0].src_size <= 1024 * 1024 * 1.2
assert 10240 * 6 * 0.8 <= calls[1][0][0].dst_size <= 10240 * 6 * 1.2
def run_replication_test(definition, success=True):
definition = Definition.from_data(definition)
zettarepl = create_zettarepl(definition)
zettarepl._spawn_replication_tasks(select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
if success:
success = zettarepl.observer.call_args_list[-1][0][0]
assert isinstance(success, ReplicationTaskSuccess), success
else:
error = zettarepl.observer.call_args_list[-1][0][0]
assert isinstance(error, ReplicationTaskError), error
return error
def _run_remote_retention(self, now: datetime):
push_replication_tasks = list(
filter(self._is_push_replication_task,
select_by_class(ReplicationTask, self.tasks)))
local_snapshots_grouped = group_snapshots_by_datasets(
multilist_snapshots(
self.local_shell,
replication_tasks_source_datasets_queries(
push_replication_tasks)))
for transport, replication_tasks in self._transport_for_replication_tasks(
push_replication_tasks):
shell = self._get_retention_shell(transport)
remote_snapshots_queries = [
(replication_task.target_dataset, replication_task.recursive)
for replication_task in replication_tasks
]
try:
# Prevent hanging remote from breaking all the replications
with ShellTimeoutContext(3600):
remote_snapshots = multilist_snapshots(
shell, remote_snapshots_queries)
except Exception as e:
logger.warning(
"Remote retention failed on %r: error listing snapshots: %r",
transport, e)
continue
remote_snapshots_grouped = group_snapshots_by_datasets(
remote_snapshots)
owners = [
ExecutedReplicationTaskSnapshotOwner(now, replication_task,
local_snapshots_grouped,
remote_snapshots_grouped)
for replication_task in replication_tasks
]
snapshots_to_destroy = calculate_snapshots_to_remove(
owners, remote_snapshots)
logger.info("Retention on %r destroying snapshots: %r", transport,
snapshots_to_destroy)
try:
# Prevent hanging remote from breaking all the replications
with ShellTimeoutContext(3600):
destroy_snapshots(shell, snapshots_to_destroy)
except Exception as e:
logger.warning(
"Remote retention failed on %r: error destroying snapshots: %r",
transport, e)
continue
def test_zvol_replication(as_root):
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs receive -A data/dst", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
if as_root:
subprocess.check_call("zfs create -V 1M data/src", shell=True)
else:
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs create -V 1M data/src/zvol", shell=True)
subprocess.check_call("zfs snapshot -r data/src@2018-10-01_01-00",
shell=True)
subprocess.check_call("zfs snapshot -r data/src@2018-10-01_02-00",
shell=True)
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
replication-tasks:
src:
direction: push
transport:
type: local
source-dataset: data/src
target-dataset: data/dst
recursive: true
also-include-naming-schema:
- "%Y-%m-%d_%H-%M"
auto: false
retention-policy: none
retries: 1
"""))
definition = Definition.from_data(definition)
local_shell = LocalShell()
zettarepl = Zettarepl(Mock(), local_shell)
zettarepl._spawn_retention = Mock()
zettarepl.set_tasks(definition.tasks)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
assert len(list_snapshots(local_shell, "data/dst", False)) == 2
if not as_root:
assert len(list_snapshots(local_shell, "data/dst/zvol", False)) == 2
def test_pull_replication():
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_02-00", shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
definition = Definition.from_data(
yaml.load(
textwrap.dedent("""\
timezone: "UTC"
replication-tasks:
- id: src
direction: pull
transport:
type: local
source-dataset: data/src
target-dataset: data/dst
recursive: true
naming-schema:
- "%Y-%m-%d_%H-%M"
auto: true
retention-policy: none
""")))
local_shell = LocalShell()
zettarepl = Zettarepl(Mock(), local_shell)
zettarepl.set_tasks(definition.tasks)
zettarepl._run_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
assert len(list_snapshots(local_shell, "data/dst", False)) == 2
def _run_local_retention(self, now: datetime):
periodic_snapshot_tasks = select_by_class(PeriodicSnapshotTask,
self.tasks)
replication_tasks = select_by_class(ReplicationTask, self.tasks)
push_replication_tasks_that_can_hold = [
replication_task for replication_task in replication_tasks
if replication_task.hold_pending_snapshots
]
pull_replications_tasks = list(
filter(self._is_pull_replication_task, replication_tasks))
local_snapshots_queries = []
local_snapshots_queries.extend([
(periodic_snapshot_task.dataset, periodic_snapshot_task.recursive)
for periodic_snapshot_task in periodic_snapshot_tasks
])
local_snapshots_queries.extend(
replication_tasks_source_datasets_queries(
push_replication_tasks_that_can_hold))
local_snapshots_queries.extend([
(replication_task.target_dataset, replication_task.recursive)
for replication_task in pull_replications_tasks
])
local_snapshots = multilist_snapshots(self.local_shell,
local_snapshots_queries)
local_snapshots_grouped = group_snapshots_by_datasets(local_snapshots)
owners = []
owners.extend([
PeriodicSnapshotTaskSnapshotOwner(now, periodic_snapshot_task)
for periodic_snapshot_task in periodic_snapshot_tasks
])
# These are always only PUSH replication tasks
for transport, replication_tasks in self._transport_for_replication_tasks(
push_replication_tasks_that_can_hold):
shell = self._get_retention_shell(transport)
owners.extend(
pending_push_replication_task_snapshot_owners(
local_snapshots_grouped, shell, replication_tasks))
for transport, replication_tasks in self._transport_for_replication_tasks(
pull_replications_tasks):
shell = self._get_retention_shell(transport)
remote_snapshots_queries = replication_tasks_source_datasets_queries(
replication_tasks)
try:
remote_snapshots = multilist_snapshots(
shell, remote_snapshots_queries)
except Exception as e:
logger.warning(
"Local retention failed: error listing snapshots on %r: %r",
transport, e)
return
remote_snapshots_grouped = group_snapshots_by_datasets(
remote_snapshots)
owners.extend([
executed_pull_replication_task_snapshot_owner(
now, replication_task, remote_snapshots_grouped,
local_snapshots_grouped)
for replication_task in replication_tasks
])
snapshots_to_destroy = calculate_snapshots_to_remove(
owners, local_snapshots)
logger.info("Retention destroying local snapshots: %r",
snapshots_to_destroy)
destroy_snapshots(self.local_shell, snapshots_to_destroy)
def test_push_replication(dst_parent_is_readonly, dst_exists, transport,
properties, compression):
if transport["type"] != "ssh" and compression:
return
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs destroy -r data/dst_parent", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs set test:property=test-value data/src",
shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_02-00", shell=True)
subprocess.check_call("zfs create data/dst_parent", shell=True)
if dst_exists:
subprocess.check_call("zfs create data/dst_parent/dst", shell=True)
if dst_parent_is_readonly:
subprocess.check_call("zfs set readonly=on data/dst_parent",
shell=True)
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src:
dataset: data/src
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src:
direction: push
source-dataset: data/src
target-dataset: data/dst_parent/dst
recursive: true
periodic-snapshot-tasks:
- src
auto: true
retention-policy: none
retries: 1
"""))
definition["replication-tasks"]["src"]["transport"] = transport
definition["replication-tasks"]["src"]["properties"] = properties
if compression:
definition["replication-tasks"]["src"]["compression"] = compression
definition = Definition.from_data(definition)
local_shell = LocalShell()
zettarepl = Zettarepl(Mock(), local_shell)
zettarepl._spawn_retention = Mock()
observer = Mock()
zettarepl.set_observer(observer)
zettarepl.set_tasks(definition.tasks)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
error = observer.call_args_list[-1][0][0]
assert isinstance(error, ReplicationTaskSuccess), error
assert len(list_snapshots(local_shell, "data/dst_parent/dst", False)) == 2
assert (("test-value" in subprocess.check_output(
"zfs get test:property data/dst_parent/dst",
shell=True,
encoding="utf-8")) == properties)
subprocess.check_call("zfs snapshot data/src@2018-10-01_03-00", shell=True)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
error = observer.call_args_list[-1][0][0]
assert isinstance(error, ReplicationTaskSuccess), error
assert len(list_snapshots(local_shell, "data/dst_parent/dst", False)) == 3
def test_preserves_clone_origin():
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs receive -A data/dst", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs create data/src/iocage", shell=True)
subprocess.check_call("zfs create data/src/iocage/child", shell=True)
subprocess.check_call("zfs create data/src/iocage/child/dataset",
shell=True)
subprocess.check_call(
"dd if=/dev/urandom of=/mnt/data/src/iocage/child/dataset/blob bs=1M count=1",
shell=True)
subprocess.check_call("zfs snapshot -r data/src@2019-11-08_14-00",
shell=True)
subprocess.check_call("zfs create data/src/iocage/another", shell=True)
subprocess.check_call("zfs create data/src/iocage/another/child",
shell=True)
subprocess.check_call(
"zfs clone data/src/iocage/child/dataset@2019-11-08_14-00 "
"data/src/iocage/another/child/clone",
shell=True)
subprocess.check_call("zfs snapshot -r data/src@2019-11-08_15-00",
shell=True)
assert (subprocess.check_output(
"zfs get -H origin data/src/iocage/another/child/clone",
encoding="utf-8",
shell=True).split("\n")[0].split("\t")[2] ==
"data/src/iocage/child/dataset@2019-11-08_14-00")
assert int(
subprocess.check_output(
"zfs get -H -p used data/src/iocage/another/child/clone",
encoding="utf-8",
shell=True).split("\n")[0].split("\t")[2]) < 2e6
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
replication-tasks:
src:
direction: push
transport:
type: local
source-dataset: data/src
target-dataset: data/dst
recursive: true
properties: true
replicate: true
also-include-naming-schema:
- "%Y-%m-%d_%H-%M"
auto: false
retention-policy: none
retries: 1
"""))
definition = Definition.from_data(definition)
local_shell = LocalShell()
zettarepl = Zettarepl(Mock(), local_shell)
zettarepl._spawn_retention = Mock()
zettarepl.set_tasks(definition.tasks)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
assert (subprocess.check_output(
"zfs get -H origin data/dst/iocage/another/child/clone",
encoding="utf-8",
shell=True).split("\n")[0].split("\t")[2] ==
"data/dst/iocage/child/dataset@2019-11-08_14-00")
assert int(
subprocess.check_output(
"zfs get -H -p used data/dst/iocage/another/child/clone",
encoding="utf-8",
shell=True).split("\n")[0].split("\t")[2]) < 2e6
def test_replication_retry(caplog, direction):
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs receive -A data/dst", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call(
"dd if=/dev/urandom of=/mnt/data/src/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_01-00", shell=True)
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src:
dataset: data/src
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src:
transport:
type: ssh
hostname: 127.0.0.1
source-dataset: data/src
target-dataset: data/dst
recursive: true
auto: false
retention-policy: none
speed-limit: 200000
retries: 2
"""))
definition["replication-tasks"]["src"]["direction"] = direction
if direction == "push":
definition["replication-tasks"]["src"]["periodic-snapshot-tasks"] = [
"src"
]
else:
definition["replication-tasks"]["src"]["naming-schema"] = [
"%Y-%m-%d_%H-%M"
]
set_localhost_transport_options(
definition["replication-tasks"]["src"]["transport"])
definition = Definition.from_data(definition)
caplog.set_level(logging.INFO)
zettarepl = create_zettarepl(definition)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
time.sleep(2)
if direction == "push":
subprocess.check_output("kill $(pgrep -f '^zfs recv')", shell=True)
else:
subprocess.check_output("kill $(pgrep -f '^(zfs send|zfs: sending)')",
shell=True)
wait_replication_tasks_to_complete(zettarepl)
assert any(" recoverable replication error" in record.message
for record in caplog.get_records("call"))
assert any("Resuming replication for destination dataset" in record.message
for record in caplog.get_records("call"))
success = zettarepl.observer.call_args_list[-1][0][0]
assert isinstance(success, ReplicationTaskSuccess), success
local_shell = LocalShell()
assert len(list_snapshots(local_shell, "data/dst", False)) == 1
def test_push_replication(dst_parent_is_readonly, dst_exists, transport, replicate, properties, encrypted,
has_encrypted_child, dst_parent_encrypted):
if replicate and not properties:
return
if encrypted and has_encrypted_child:
# If parent is encrypted, child is also encrypted
return
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs destroy -r data/dst_parent", shell=True)
create_dataset("data/src", encrypted)
subprocess.check_call("zfs set test:property=test-value data/src", shell=True)
if has_encrypted_child:
create_dataset("data/src/child", True)
subprocess.check_call("zfs snapshot -r data/src@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs snapshot -r data/src@2018-10-01_02-00", shell=True)
create_dataset("data/dst_parent", dst_parent_encrypted)
if dst_exists:
subprocess.check_call("zfs create data/dst_parent/dst", shell=True)
if dst_parent_is_readonly:
subprocess.check_call("zfs set readonly=on data/dst_parent", shell=True)
definition = yaml.safe_load(textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src:
dataset: data/src
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src:
direction: push
source-dataset: data/src
target-dataset: data/dst_parent/dst
recursive: true
periodic-snapshot-tasks:
- src
auto: true
retention-policy: none
retries: 1
"""))
definition["replication-tasks"]["src"]["transport"] = transport
definition["replication-tasks"]["src"]["replicate"] = replicate
definition["replication-tasks"]["src"]["properties"] = properties
definition = Definition.from_data(definition)
local_shell = LocalShell()
zettarepl = Zettarepl(Mock(), local_shell)
zettarepl._spawn_retention = Mock()
observer = Mock()
zettarepl.set_observer(observer)
zettarepl.set_tasks(definition.tasks)
zettarepl._spawn_replication_tasks(select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
if dst_exists and properties and encrypted and not dst_parent_encrypted:
error = observer.call_args_list[-1][0][0]
assert isinstance(error, ReplicationTaskError), error
assert error.error == ("Unable to send encrypted dataset 'data/src' to existing unencrypted or unrelated "
"dataset 'data/dst_parent/dst'")
return
error = observer.call_args_list[-1][0][0]
assert isinstance(error, ReplicationTaskSuccess), error
assert len(list_snapshots(local_shell, "data/dst_parent/dst", False)) == 2
assert (
("test-value" in subprocess.check_output("zfs get test:property data/dst_parent/dst",
shell=True, encoding="utf-8")) ==
properties
)
subprocess.check_call("zfs snapshot -r data/src@2018-10-01_03-00", shell=True)
zettarepl._spawn_replication_tasks(select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
error = observer.call_args_list[-1][0][0]
assert isinstance(error, ReplicationTaskSuccess), error
assert len(list_snapshots(local_shell, "data/dst_parent/dst", False)) == 3
def test_parallel_replication_3(max_parallel_replications):
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs receive -A data/dst", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs create data/src/a", shell=True)
subprocess.check_call("dd if=/dev/urandom of=/mnt/data/src/a/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src/a@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs create data/src/b", shell=True)
subprocess.check_call("dd if=/dev/urandom of=/mnt/data/src/b/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src/b@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs create data/src/c", shell=True)
subprocess.check_call("dd if=/dev/urandom of=/mnt/data/src/c/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src/c@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
subprocess.check_call("zfs create data/dst/a", shell=True)
subprocess.check_call("zfs create data/dst/b", shell=True)
subprocess.check_call("zfs create data/dst/c", shell=True)
definition = yaml.safe_load(textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src-a:
dataset: data/src/a
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
src-b:
dataset: data/src/b
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
src-c:
dataset: data/src/c
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src-a:
direction: push
transport:
type: ssh
hostname: localhost
source-dataset: data/src/a
target-dataset: data/dst/a
recursive: true
periodic-snapshot-tasks:
- src-a
auto: true
retention-policy: none
speed-limit: 100000
src-b:
direction: push
transport:
type: ssh
hostname: localhost
source-dataset: data/src/b
target-dataset: data/dst/b
recursive: true
periodic-snapshot-tasks:
- src-b
auto: true
retention-policy: none
speed-limit: 100000
src-c:
direction: push
transport:
type: ssh
hostname: localhost
source-dataset: data/src/c
target-dataset: data/dst/c
recursive: true
periodic-snapshot-tasks:
- src-c
auto: true
retention-policy: none
speed-limit: 100000
"""))
definition["max-parallel-replication-tasks"] = max_parallel_replications
set_localhost_transport_options(definition["replication-tasks"]["src-a"]["transport"])
set_localhost_transport_options(definition["replication-tasks"]["src-b"]["transport"])
set_localhost_transport_options(definition["replication-tasks"]["src-c"]["transport"])
definition = Definition.from_data(definition)
zettarepl = create_zettarepl(definition)
zettarepl._spawn_replication_tasks(select_by_class(ReplicationTask, definition.tasks))
start = time.monotonic()
wait_replication_tasks_to_complete(zettarepl)
end = time.monotonic()
if max_parallel_replications == 3:
assert 10 <= end - start <= 15
else:
assert 20 <= end - start <= 25
def test_replication_progress(transport):
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs create data/src/src1", shell=True)
subprocess.check_call("zfs snapshot data/src/src1@2018-10-01_01-00",
shell=True)
subprocess.check_call(
"dd if=/dev/urandom of=/mnt/data/src/src1/blob bs=1M count=1",
shell=True)
subprocess.check_call("zfs snapshot data/src/src1@2018-10-01_02-00",
shell=True)
subprocess.check_call("rm /mnt/data/src/src1/blob", shell=True)
subprocess.check_call("zfs snapshot data/src/src1@2018-10-01_03-00",
shell=True)
subprocess.check_call("zfs create data/src/src2", shell=True)
subprocess.check_call("zfs snapshot data/src/src2@2018-10-01_01-00",
shell=True)
subprocess.check_call("zfs snapshot data/src/src2@2018-10-01_02-00",
shell=True)
subprocess.check_call("zfs snapshot data/src/src2@2018-10-01_03-00",
shell=True)
subprocess.check_call("zfs snapshot data/src/src2@2018-10-01_04-00",
shell=True)
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
replication-tasks:
src:
direction: push
source-dataset:
- data/src/src1
- data/src/src2
target-dataset: data/dst
recursive: true
also-include-naming-schema:
- "%Y-%m-%d_%H-%M"
auto: false
retention-policy: none
retries: 1
"""))
definition["replication-tasks"]["src"]["transport"] = transport
if transport["type"] == "ssh":
definition["replication-tasks"]["src"]["speed-limit"] = 10240 * 9
definition = Definition.from_data(definition)
zettarepl = create_zettarepl(definition)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
calls = [
call for call in zettarepl.observer.call_args_list
if call[0][0].__class__ != ReplicationTaskDataProgress
]
result = [
ReplicationTaskStart("src"),
ReplicationTaskSnapshotStart("src", "data/src/src1",
"2018-10-01_01-00", 0, 3),
ReplicationTaskSnapshotSuccess("src", "data/src/src1",
"2018-10-01_01-00", 1, 3),
ReplicationTaskSnapshotStart("src", "data/src/src1",
"2018-10-01_02-00", 1, 3),
ReplicationTaskSnapshotSuccess("src", "data/src/src1",
"2018-10-01_02-00", 2, 3),
ReplicationTaskSnapshotStart("src", "data/src/src1",
"2018-10-01_03-00", 2, 3),
ReplicationTaskSnapshotSuccess("src", "data/src/src1",
"2018-10-01_03-00", 3, 3),
ReplicationTaskSnapshotStart("src", "data/src/src2",
"2018-10-01_01-00", 3, 7),
ReplicationTaskSnapshotSuccess("src", "data/src/src2",
"2018-10-01_01-00", 4, 7),
ReplicationTaskSnapshotStart("src", "data/src/src2",
"2018-10-01_02-00", 4, 7),
ReplicationTaskSnapshotSuccess("src", "data/src/src2",
"2018-10-01_02-00", 5, 7),
ReplicationTaskSnapshotStart("src", "data/src/src2",
"2018-10-01_03-00", 5, 7),
ReplicationTaskSnapshotSuccess("src", "data/src/src2",
"2018-10-01_03-00", 6, 7),
ReplicationTaskSnapshotStart("src", "data/src/src2",
"2018-10-01_04-00", 6, 7),
ReplicationTaskSnapshotSuccess("src", "data/src/src2",
"2018-10-01_04-00", 7, 7),
ReplicationTaskSuccess("src"),
]
if transport["type"] == "ssh":
result.insert(
4,
ReplicationTaskSnapshotProgress(
"src",
"data/src/src1",
"2018-10-01_02-00",
1,
3,
10240 * 9 * 10, # We poll for progress every 10 seconds so
# we would have transferred 10x speed limit
2162784 # Empirical value
))
for i, message in enumerate(result):
call = calls[i]
assert call[0][0].__class__ == message.__class__, calls
d1 = call[0][0].__dict__
d2 = message.__dict__
if isinstance(message, ReplicationTaskSnapshotProgress):
bytes_sent_1 = d1.pop("bytes_sent")
bytes_total_1 = d1.pop("bytes_total")
bytes_sent_2 = d2.pop("bytes_sent")
bytes_total_2 = d2.pop("bytes_total")
assert 0.8 <= bytes_sent_1 / bytes_sent_2 <= 1.2
assert 0.8 <= bytes_total_1 / bytes_total_2 <= 1.2
assert d1 == d2
def test_parallel_replication():
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs receive -A data/dst", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs create data/src/a", shell=True)
subprocess.check_call("dd if=/dev/urandom of=/mnt/data/src/a/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src/a@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs create data/src/b", shell=True)
subprocess.check_call("dd if=/dev/urandom of=/mnt/data/src/b/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src/b@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
subprocess.check_call("zfs create data/dst/a", shell=True)
subprocess.check_call("zfs create data/dst/b", shell=True)
definition = yaml.safe_load(textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src-a:
dataset: data/src/a
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
src-b:
dataset: data/src/b
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src-a:
direction: push
transport:
type: ssh
hostname: localhost
source-dataset: data/src/a
target-dataset: data/dst/a
recursive: true
periodic-snapshot-tasks:
- src-a
auto: true
retention-policy: none
speed-limit: 100000
src-b:
direction: push
transport:
type: ssh
hostname: localhost
source-dataset: data/src/b
target-dataset: data/dst/b
recursive: true
periodic-snapshot-tasks:
- src-b
auto: true
retention-policy: none
speed-limit: 100000
"""))
set_localhost_transport_options(definition["replication-tasks"]["src-a"]["transport"])
set_localhost_transport_options(definition["replication-tasks"]["src-b"]["transport"])
definition = Definition.from_data(definition)
local_shell = LocalShell()
zettarepl = create_zettarepl(definition)
zettarepl._spawn_replication_tasks(select_by_class(ReplicationTask, definition.tasks))
start = time.monotonic()
wait_replication_tasks_to_complete(zettarepl)
end = time.monotonic()
assert 10 <= end - start <= 15
zettarepl._spawn_retention.assert_called_once()
assert sum(1 for m in zettarepl.observer.call_args_list if isinstance(m[0][0], ReplicationTaskSuccess)) == 2
assert len(list_snapshots(local_shell, "data/dst/a", False)) == 1
assert len(list_snapshots(local_shell, "data/dst/b", False)) == 1
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
subprocess.check_call("zfs create data/dst/a", shell=True)
subprocess.check_call("zfs create data/dst/b", shell=True)
zettarepl._replication_tasks_can_run_in_parallel = Mock(return_value=False)
zettarepl._spawn_replication_tasks(select_by_class(ReplicationTask, definition.tasks))
start = time.monotonic()
wait_replication_tasks_to_complete(zettarepl)
end = time.monotonic()
assert 20 <= end - start <= 25
assert sum(1 for m in zettarepl.observer.call_args_list if isinstance(m[0][0], ReplicationTaskSuccess)) == 4
assert len(list_snapshots(local_shell, "data/dst/a", False)) == 1
assert len(list_snapshots(local_shell, "data/dst/b", False)) == 1
def test_snapshot_gone(transport):
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_01-00", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_02-00", shell=True)
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src:
dataset: data/src
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src:
direction: push
source-dataset: data/src
target-dataset: data/dst
recursive: true
periodic-snapshot-tasks:
- src
auto: true
retention-policy: none
retries: 2
"""))
definition["replication-tasks"]["src"]["transport"] = transport
definition = Definition.from_data(definition)
local_shell = LocalShell()
zettarepl = Zettarepl(Mock(), local_shell)
zettarepl._spawn_retention = Mock()
observer = Mock()
zettarepl.set_observer(observer)
zettarepl.set_tasks(definition.tasks)
deleted = False
def resume_replications_mock(*args, **kwargs):
nonlocal deleted
if not deleted:
# Snapshots are already listed, and now we remove one of them to simulate PULL replication
# from remote system that has `allow_empty_snapshots: false`. Only do this once.
subprocess.check_call("zfs destroy data/src@2018-10-01_01-00",
shell=True)
deleted = True
return resume_replications(*args, **kwargs)
with patch("zettarepl.replication.run.resume_replications",
resume_replications_mock):
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
error = observer.call_args_list[-1][0][0]
assert isinstance(error, ReplicationTaskSuccess), error
assert len(list_snapshots(local_shell, "data/dst", False)) == 1
def test_replication_progress_resume():
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_01-00", shell=True)
subprocess.check_call(
"dd if=/dev/urandom of=/mnt/data/src/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_02-00", shell=True)
subprocess.check_call(
"dd if=/dev/urandom of=/mnt/data/src/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_03-00", shell=True)
subprocess.check_call(
"dd if=/dev/urandom of=/mnt/data/src/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_04-00", shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
subprocess.check_call(
"zfs send data/src@2018-10-01_01-00 | zfs recv -s -F data/dst",
shell=True)
subprocess.check_call(
"(zfs send -i data/src@2018-10-01_01-00 data/src@2018-10-01_02-00 | "
" throttle -b 102400 | zfs recv -s -F data/dst) & "
"sleep 1; killall zfs",
shell=True)
assert "receive_resume_token\t1-" in subprocess.check_output(
"zfs get -H receive_resume_token data/dst",
shell=True,
encoding="utf-8")
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
replication-tasks:
src:
direction: push
transport:
type: local
source-dataset: data/src
target-dataset: data/dst
recursive: true
also-include-naming-schema:
- "%Y-%m-%d_%H-%M"
auto: false
retention-policy: none
retries: 1
"""))
definition = Definition.from_data(definition)
zettarepl = create_zettarepl(definition)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
calls = [
call for call in zettarepl.observer.call_args_list
if call[0][0].__class__ != ReplicationTaskDataProgress
]
result = [
ReplicationTaskStart("src"),
ReplicationTaskSnapshotStart("src", "data/src", "2018-10-01_02-00", 0,
3),
ReplicationTaskSnapshotSuccess("src", "data/src", "2018-10-01_02-00",
1, 3),
ReplicationTaskSnapshotStart("src", "data/src", "2018-10-01_03-00", 1,
3),
ReplicationTaskSnapshotSuccess("src", "data/src", "2018-10-01_03-00",
2, 3),
ReplicationTaskSnapshotStart("src", "data/src", "2018-10-01_04-00", 2,
3),
ReplicationTaskSnapshotSuccess("src", "data/src", "2018-10-01_04-00",
3, 3),
ReplicationTaskSuccess("src"),
]
for i, message in enumerate(result):
call = calls[i]
assert call[0][0].__class__ == message.__class__
d1 = call[0][0].__dict__
d2 = message.__dict__
assert d1 == d2
def test_parallel_replication():
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs receive -A data/dst", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs create data/src/a", shell=True)
subprocess.check_call(
"dd if=/dev/urandom of=/mnt/data/src/a/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src/a@2018-10-01_01-00",
shell=True)
subprocess.check_call("zfs create data/src/b", shell=True)
subprocess.check_call(
"dd if=/dev/urandom of=/mnt/data/src/b/blob bs=1M count=1", shell=True)
subprocess.check_call("zfs snapshot data/src/b@2018-10-01_01-00",
shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
subprocess.check_call("zfs create data/dst/a", shell=True)
subprocess.check_call("zfs create data/dst/b", shell=True)
definition = Definition.from_data(
yaml.load(
textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src-a:
dataset: data/src/a
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
src-b:
dataset: data/src/b
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src-a:
direction: push
transport:
type: ssh
hostname: localhost
private-key: |
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
host-key: "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKwIWcodi3rHl0zS3VaddXnwfgIcpp1ECR9KhaB1cyIspgcHOA98wxY8onw+zHxpMUB4pve+t416FFLSkmlJ2f4="
source-dataset: data/src/a
target-dataset: data/dst/a
recursive: true
periodic-snapshot-tasks:
- src-a
auto: true
retention-policy: none
speed-limit: 100000
src-b:
direction: push
transport:
type: ssh
hostname: localhost
private-key: |
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
host-key: "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKwIWcodi3rHl0zS3VaddXnwfgIcpp1ECR9KhaB1cyIspgcHOA98wxY8onw+zHxpMUB4pve+t416FFLSkmlJ2f4="
source-dataset: data/src/b
target-dataset: data/dst/b
recursive: true
periodic-snapshot-tasks:
- src-b
auto: true
retention-policy: none
speed-limit: 100000
""")))
local_shell = LocalShell()
zettarepl = Zettarepl(Mock(), local_shell)
zettarepl._spawn_retention = Mock()
zettarepl.set_tasks(definition.tasks)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
start = time.monotonic()
wait_replication_tasks_to_complete(zettarepl)
end = time.monotonic()
assert 10 <= end - start <= 15
zettarepl._spawn_retention.assert_called_once()
assert len(list_snapshots(local_shell, "data/dst/a", False)) == 1
assert len(list_snapshots(local_shell, "data/dst/b", False)) == 1
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
subprocess.check_call("zfs create data/dst/a", shell=True)
subprocess.check_call("zfs create data/dst/b", shell=True)
zettarepl._replication_tasks_can_run_in_parallel = Mock(return_value=False)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
start = time.monotonic()
wait_replication_tasks_to_complete(zettarepl)
end = time.monotonic()
assert 20 <= end - start <= 25
assert len(list_snapshots(local_shell, "data/dst/a", False)) == 1
assert len(list_snapshots(local_shell, "data/dst/b", False)) == 1
def test_replication_progress_pre_calculate():
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.call("zfs destroy -r data/dst", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs create data/src/alice", shell=True)
subprocess.check_call("zfs create data/src/bob", shell=True)
subprocess.check_call("zfs create data/src/charlie", shell=True)
subprocess.check_call("zfs snapshot -r data/src@2018-10-01_01-00",
shell=True)
subprocess.check_call("zfs create data/dst", shell=True)
subprocess.check_call(
"zfs send -R data/src@2018-10-01_01-00 | zfs recv -s -F data/dst",
shell=True)
subprocess.check_call("zfs create data/src/dave", shell=True)
subprocess.check_call("zfs snapshot -r data/src@2018-10-01_02-00",
shell=True)
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
replication-tasks:
src:
direction: push
transport:
type: local
source-dataset: data/src
target-dataset: data/dst
recursive: true
also-include-naming-schema:
- "%Y-%m-%d_%H-%M"
auto: false
retention-policy: none
retries: 1
"""))
definition = Definition.from_data(definition)
zettarepl = create_zettarepl(definition)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
calls = [
call for call in zettarepl.observer.call_args_list
if call[0][0].__class__ != ReplicationTaskDataProgress
]
result = [
ReplicationTaskStart("src"),
ReplicationTaskSnapshotStart("src", "data/src", "2018-10-01_02-00", 0,
5),
ReplicationTaskSnapshotSuccess("src", "data/src", "2018-10-01_02-00",
1, 5),
ReplicationTaskSnapshotStart("src", "data/src/alice",
"2018-10-01_02-00", 1, 5),
ReplicationTaskSnapshotSuccess("src", "data/src/alice",
"2018-10-01_02-00", 2, 5),
ReplicationTaskSnapshotStart("src", "data/src/bob", "2018-10-01_02-00",
2, 5),
ReplicationTaskSnapshotSuccess("src", "data/src/bob",
"2018-10-01_02-00", 3, 5),
ReplicationTaskSnapshotStart("src", "data/src/charlie",
"2018-10-01_02-00", 3, 5),
ReplicationTaskSnapshotSuccess("src", "data/src/charlie",
"2018-10-01_02-00", 4, 5),
ReplicationTaskSnapshotStart("src", "data/src/dave",
"2018-10-01_02-00", 4, 5),
ReplicationTaskSnapshotSuccess("src", "data/src/dave",
"2018-10-01_02-00", 5, 5),
ReplicationTaskSuccess("src"),
]
for i, message in enumerate(result):
call = calls[i]
assert call[0][0].__class__ == message.__class__
d1 = call[0][0].__dict__
d2 = message.__dict__
assert d1 == d2
def test_replication_retry(caplog):
subprocess.call("zfs destroy -r data/src", shell=True)
subprocess.check_call("zfs create data/src", shell=True)
subprocess.check_call("zfs snapshot data/src@2018-10-01_01-00", shell=True)
definition = yaml.safe_load(
textwrap.dedent("""\
timezone: "UTC"
periodic-snapshot-tasks:
src:
dataset: data/src
recursive: true
lifetime: PT1H
naming-schema: "%Y-%m-%d_%H-%M"
schedule:
minute: "0"
replication-tasks:
src:
transport:
type: ssh
hostname: localhost
direction: push
source-dataset: data/src
target-dataset: data/dst
recursive: true
periodic-snapshot-tasks:
- src
auto: false
retention-policy: none
retries: 2
"""))
set_localhost_transport_options(
definition["replication-tasks"]["src"]["transport"])
definition["replication-tasks"]["src"]["transport"][
"private-key"] = textwrap.dedent("""\
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
""") # Some random invalid SSH key
definition = Definition.from_data(definition)
caplog.set_level(logging.INFO)
zettarepl = create_zettarepl(definition)
zettarepl._spawn_replication_tasks(
select_by_class(ReplicationTask, definition.tasks))
wait_replication_tasks_to_complete(zettarepl)
assert any("non-recoverable replication error" in record.message
for record in caplog.get_records("call"))