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Allow retry in query tests

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This commit is contained in:
James Campbell 2025-06-18 03:23:43 -04:00
parent b7f731c6ac
commit ecb616f6d9
Signed by: james
GPG Key ID: 2287C33A40DC906A
2 changed files with 5 additions and 15 deletions
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13
sample-config/pgmon-metrics.yml
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@ -196,19 +196,6 @@ metrics:
sync_state
FROM pg_stat_replication
WHERE client_addr || '_' || regexp_replace(application_name, '[ ,]', '_', 'g') = %(repid)s
90600: >
SELECT pid, usename,
EXTRACT(EPOCH FROM backend_start)::integer AS backend_start,
state,
pg_xlog_lsn_diff(pg_current_xlog_lsn(), sent_lsn) AS sent_lsn,
pg_xlog_lsn_diff(pg_current_xlog_lsn(), write_lsn) AS write_lsn,
pg_xlog_lsn_diff(pg_current_xlog_lsn(), flush_lsn) AS flush_lsn,
pg_xlog_lsn_diff(pg_current_xlog_lsn(), replay_lsn) AS replay_lsn,
COALESCE(EXTRACT(EPOCH FROM write_lag), 0)::integer AS write_lag,
COALESCE(EXTRACT(EPOCH FROM flush_lag), 0)::integer AS flush_lag,
COALESCE(EXTRACT(EPOCH FROM replay_lag), 0)::integer AS replay_lag,
sync_state
FROM pg_stat_replication WHERE client_addr || '_' || regexp_replace(application_name, '[ ,]', '_', 'g') = %(repid)s
100000: >
SELECT pid, usename,
EXTRACT(EPOCH FROM backend_start)::integer AS backend_start,

7
src/pgmon.py
View File

@ -656,9 +656,12 @@ def test_queries():
# If the metric has arguments to use while testing, grab those
args = metric.get("test_args", {})
print("Testing {} [{}]".format(name, ", ".join(["{}={}".format(key, value) for key, value in args.items()])))
# Run the query without the ability to retry.
# Run the query with the ability to retry, mostly because the PostgreSQL
# docker image restarts during its initialization phase. If the health
# check passes during the first phase, the agent will start testing too
# early and will break when PostgreSQL restarts.
try:
res = sample_metric(dbname, name, args, retry=False)
res = sample_metric(dbname, name, args, retry=True)
except MetricVersionError:
print("{} -> Unsupported for this version".format(name))
continue