Files
neon/test_runner/performance/pageserver/util.py
Joonas Koivunen d9dcbffac3 python: allow using allowed_errors.py (#7719)
See #7718. Fix it by renaming all `types.py` to `common_types.py`.

Additionally, add an advert for using `allowed_errors.py` to test any
added regex.
2024-05-13 15:16:23 +03:00

56 lines
1.7 KiB
Python

"""
Utilities used by all code in this sub-directory
"""
from typing import Any, Callable, Dict, Tuple
import fixtures.pageserver.many_tenants as many_tenants
from fixtures.common_types import TenantId, TimelineId
from fixtures.log_helper import log
from fixtures.neon_fixtures import (
NeonEnv,
NeonEnvBuilder,
)
from fixtures.pageserver.utils import wait_until_all_tenants_state
def ensure_pageserver_ready_for_benchmarking(env: NeonEnv, n_tenants: int):
"""
Helper function.
"""
ps_http = env.pageserver.http_client()
log.info("wait for all tenants to become active")
wait_until_all_tenants_state(
ps_http, "Active", iterations=n_tenants, period=1, http_error_ok=False
)
# ensure all layers are resident for predictiable performance
tenants = [info["id"] for info in ps_http.tenant_list()]
for tenant in tenants:
for timeline in ps_http.tenant_status(tenant)["timelines"]:
info = ps_http.layer_map_info(tenant, timeline)
for layer in info.historic_layers:
assert not layer.remote
log.info("ready")
def setup_pageserver_with_tenants(
neon_env_builder: NeonEnvBuilder,
name: str,
n_tenants: int,
setup: Callable[[NeonEnv], Tuple[TenantId, TimelineId, Dict[str, Any]]],
) -> NeonEnv:
"""
Utility function to set up a pageserver with a given number of identical tenants.
"""
def doit(neon_env_builder: NeonEnvBuilder) -> NeonEnv:
return many_tenants.single_timeline(neon_env_builder, setup, n_tenants)
env = neon_env_builder.build_and_use_snapshot(name, doit)
env.start()
ensure_pageserver_ready_for_benchmarking(env, n_tenants)
return env