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ff5a527167
Previously, the structure of the spec file was just the compute spec. However, the response from the control plane get spec request included the compute spec and the compute_ctl config. This divergence was hindering other work such as adding regression tests for compute_ctl HTTP authorization. Signed-off-by: Tristan Partin <tristan@neon.tech>
88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
from __future__ import annotations
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import os
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from typing import TYPE_CHECKING
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from fixtures.metrics import parse_metrics
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from fixtures.utils import wait_until
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if TYPE_CHECKING:
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from fixtures.neon_fixtures import NeonEnv
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def test_compute_reconfigure(neon_simple_env: NeonEnv):
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"""
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Test that we can change postgresql.conf settings even if
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skip_pg_catalog_updates=True is set.
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"""
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env = neon_simple_env
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TEST_LOG_LINE_PREFIX = "%m [%p] [test_compute_reconfigure]: "
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endpoint = env.endpoints.create_start("main")
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# Check that the log line prefix is not set
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# or different from TEST_LOG_LINE_PREFIX
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with endpoint.cursor() as cursor:
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cursor.execute("SHOW log_line_prefix;")
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row = cursor.fetchone()
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assert row is not None
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assert row[0] != TEST_LOG_LINE_PREFIX
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endpoint.respec_deep(
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**{
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"spec": {
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"skip_pg_catalog_updates": True,
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"cluster": {
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"settings": [
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{
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"name": "log_line_prefix",
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"vartype": "string",
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"value": TEST_LOG_LINE_PREFIX,
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}
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]
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},
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},
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}
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)
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endpoint.reconfigure()
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# Check that in logs we see that it was actually reconfigured,
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# not restarted or something else.
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endpoint.log_contains("INFO request{method=POST uri=/configure")
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# In /configure we only send SIGHUP at the end, so in theory
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# it doesn't necessarily mean that Postgres already reloaded
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# the new config; and it may race in some envs.
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# So we wait until we see the log line that the config was changed.
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def check_logs():
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endpoint.log_contains(
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f'[test_compute_reconfigure]: LOG: parameter "log_line_prefix" changed to "{TEST_LOG_LINE_PREFIX}"'
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)
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wait_until(check_logs)
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# Check that the log line prefix is set
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with endpoint.cursor() as cursor:
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cursor.execute("SHOW log_line_prefix;")
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row = cursor.fetchone()
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assert row is not None
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assert row[0] == TEST_LOG_LINE_PREFIX
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# Check that even after reconfigure and state transitions we still report
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# only the current status.
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client = endpoint.http_client()
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raw_metrics = client.metrics()
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metrics = parse_metrics(raw_metrics)
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samples = metrics.query_all("compute_ctl_up")
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assert len(samples) == 1
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assert samples[0].value == 1
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samples = metrics.query_all("compute_ctl_up", {"status": "running"})
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assert len(samples) == 1
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assert samples[0].value == 1
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# Check that build tag is reported
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build_tag = os.environ.get("BUILD_TAG", "latest")
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samples = metrics.query_all("compute_ctl_up", {"build_tag": build_tag})
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assert len(samples) == 1
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assert samples[0].value == 1
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