Files
neon/test_runner/fixtures/pageserver/utils.py
Dmitry Rodionov bfeb428d1b tests: make neon_fixtures a bit thinner by splitting out some pageserver related helpers (#3977)
neon_fixture is quite big and messy, lets clean it up a bit.
2023-04-07 13:47:28 +03:00

146 lines
4.5 KiB
Python

import time
from fixtures.log_helper import log
from fixtures.pageserver.http import PageserverHttpClient
from fixtures.types import Lsn, TenantId, TimelineId
def assert_tenant_status(
pageserver_http: PageserverHttpClient, tenant: TenantId, expected_status: str
):
tenant_status = pageserver_http.tenant_status(tenant)
log.info(f"tenant_status: {tenant_status}")
assert tenant_status["state"] == expected_status, tenant_status
def tenant_exists(pageserver_http: PageserverHttpClient, tenant_id: TenantId):
tenants = pageserver_http.tenant_list()
matching = [t for t in tenants if TenantId(t["id"]) == tenant_id]
assert len(matching) < 2
if len(matching) == 0:
return None
return matching[0]
def remote_consistent_lsn(
pageserver_http: PageserverHttpClient, tenant: TenantId, timeline: TimelineId
) -> Lsn:
detail = pageserver_http.timeline_detail(tenant, timeline)
if detail["remote_consistent_lsn"] is None:
# No remote information at all. This happens right after creating
# a timeline, before any part of it has been uploaded to remote
# storage yet.
return Lsn(0)
else:
lsn_str = detail["remote_consistent_lsn"]
assert isinstance(lsn_str, str)
return Lsn(lsn_str)
def wait_for_upload(
pageserver_http: PageserverHttpClient,
tenant: TenantId,
timeline: TimelineId,
lsn: Lsn,
):
"""waits for local timeline upload up to specified lsn"""
for i in range(20):
current_lsn = remote_consistent_lsn(pageserver_http, tenant, timeline)
if current_lsn >= lsn:
log.info("wait finished")
return
log.info(
"waiting for remote_consistent_lsn to reach {}, now {}, iteration {}".format(
lsn, current_lsn, i + 1
)
)
time.sleep(1)
raise Exception(
"timed out while waiting for remote_consistent_lsn to reach {}, was {}".format(
lsn, current_lsn
)
)
def wait_until_tenant_state(
pageserver_http: PageserverHttpClient,
tenant_id: TenantId,
expected_state: str,
iterations: int,
) -> bool:
"""
Does not use `wait_until` for debugging purposes
"""
for _ in range(iterations):
try:
tenant = pageserver_http.tenant_status(tenant_id=tenant_id)
log.debug(f"Tenant {tenant_id} data: {tenant}")
if tenant["state"] == expected_state:
return True
except Exception as e:
log.debug(f"Tenant {tenant_id} state retrieval failure: {e}")
time.sleep(1)
raise Exception(f"Tenant {tenant_id} did not become {expected_state} in {iterations} seconds")
def wait_until_tenant_active(
pageserver_http: PageserverHttpClient, tenant_id: TenantId, iterations: int = 30
):
wait_until_tenant_state(
pageserver_http, tenant_id, expected_state="Active", iterations=iterations
)
def last_record_lsn(
pageserver_http_client: PageserverHttpClient, tenant: TenantId, timeline: TimelineId
) -> Lsn:
detail = pageserver_http_client.timeline_detail(tenant, timeline)
lsn_str = detail["last_record_lsn"]
assert isinstance(lsn_str, str)
return Lsn(lsn_str)
def wait_for_last_record_lsn(
pageserver_http: PageserverHttpClient,
tenant: TenantId,
timeline: TimelineId,
lsn: Lsn,
) -> Lsn:
"""waits for pageserver to catch up to a certain lsn, returns the last observed lsn."""
for i in range(10):
current_lsn = last_record_lsn(pageserver_http, tenant, timeline)
if current_lsn >= lsn:
return current_lsn
log.info(
"waiting for last_record_lsn to reach {}, now {}, iteration {}".format(
lsn, current_lsn, i + 1
)
)
time.sleep(1)
raise Exception(
"timed out while waiting for last_record_lsn to reach {}, was {}".format(lsn, current_lsn)
)
def wait_for_upload_queue_empty(
pageserver_http: PageserverHttpClient, tenant_id: TenantId, timeline_id: TimelineId
):
while True:
all_metrics = pageserver_http.get_metrics()
tl = all_metrics.query_all(
"pageserver_remote_timeline_client_calls_unfinished",
{
"tenant_id": str(tenant_id),
"timeline_id": str(timeline_id),
},
)
assert len(tl) > 0
log.info(f"upload queue for {tenant_id}/{timeline_id}: {tl}")
if all(m.value == 0 for m in tl):
return
time.sleep(0.2)