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Merge 0d3f568daf into f8b7139174

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Nikolay Deryugin 2025-04-03 21:15:07 -04:00 committed by GitHub
commit eb3df438da
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GPG Key ID: B5690EEEBB952194
2 changed files with 59 additions and 36 deletions
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53
collector/pg_stat_statements.go
View File

@ -40,34 +40,34 @@ func NewPGStatStatementsCollector(config collectorConfig) (Collector, error) {
} }
var ( var (
statSTatementsCallsTotal = prometheus.NewDesc( statStatementsCallsTotal = prometheus.NewDesc(
prometheus.BuildFQName(namespace, statStatementsSubsystem, "calls_total"), prometheus.BuildFQName(namespace, statStatementsSubsystem, "calls_total"),
"Number of times executed", "Number of times executed",
[]string{"user", "datname", "queryid"}, []string{"user", "datname", "queryid", "query", "stmt_type"},
prometheus.Labels{}, prometheus.Labels{},
) )
statStatementsSecondsTotal = prometheus.NewDesc( statStatementsSecondsTotal = prometheus.NewDesc(
prometheus.BuildFQName(namespace, statStatementsSubsystem, "seconds_total"), prometheus.BuildFQName(namespace, statStatementsSubsystem, "seconds_total"),
"Total time spent in the statement, in seconds", "Total time spent in the statement, in seconds",
[]string{"user", "datname", "queryid"}, []string{"user", "datname", "queryid", "query", "stmt_type"},
prometheus.Labels{}, prometheus.Labels{},
) )
statStatementsRowsTotal = prometheus.NewDesc( statStatementsRowsTotal = prometheus.NewDesc(
prometheus.BuildFQName(namespace, statStatementsSubsystem, "rows_total"), prometheus.BuildFQName(namespace, statStatementsSubsystem, "rows_total"),
"Total number of rows retrieved or affected by the statement", "Total number of rows retrieved or affected by the statement",
[]string{"user", "datname", "queryid"}, []string{"user", "datname", "queryid", "query", "stmt_type"},
prometheus.Labels{}, prometheus.Labels{},
) )
statStatementsBlockReadSecondsTotal = prometheus.NewDesc( statStatementsBlockReadSecondsTotal = prometheus.NewDesc(
prometheus.BuildFQName(namespace, statStatementsSubsystem, "block_read_seconds_total"), prometheus.BuildFQName(namespace, statStatementsSubsystem, "block_read_seconds_total"),
"Total time the statement spent reading blocks, in seconds", "Total time the statement spent reading blocks, in seconds",
[]string{"user", "datname", "queryid"}, []string{"user", "datname", "queryid", "query", "stmt_type"},
prometheus.Labels{}, prometheus.Labels{},
) )
statStatementsBlockWriteSecondsTotal = prometheus.NewDesc( statStatementsBlockWriteSecondsTotal = prometheus.NewDesc(
prometheus.BuildFQName(namespace, statStatementsSubsystem, "block_write_seconds_total"), prometheus.BuildFQName(namespace, statStatementsSubsystem, "block_write_seconds_total"),
"Total time the statement spent writing blocks, in seconds", "Total time the statement spent writing blocks, in seconds",
[]string{"user", "datname", "queryid"}, []string{"user", "datname", "queryid", "query", "stmt_type"},
prometheus.Labels{}, prometheus.Labels{},
) )
@ -75,6 +75,14 @@ var (
pg_get_userbyid(userid) as user, pg_get_userbyid(userid) as user,
pg_database.datname, pg_database.datname,
pg_stat_statements.queryid, pg_stat_statements.queryid,
LEFT(pg_stat_statements.query, 120) as query,
CASE
WHEN pg_stat_statements.query ILIKE 'SELECT%' THEN 'SELECT'
WHEN pg_stat_statements.query ILIKE 'INSERT%' THEN 'INSERT'
WHEN pg_stat_statements.query ILIKE 'UPDATE%' THEN 'UPDATE'
WHEN pg_stat_statements.query ILIKE 'DELETE%' THEN 'DELETE'
ELSE 'OTHER'
END AS stmt_type,
pg_stat_statements.calls as calls_total, pg_stat_statements.calls as calls_total,
pg_stat_statements.total_time / 1000.0 as seconds_total, pg_stat_statements.total_time / 1000.0 as seconds_total,
pg_stat_statements.rows as rows_total, pg_stat_statements.rows as rows_total,
@ -96,6 +104,14 @@ var (
pg_get_userbyid(userid) as user, pg_get_userbyid(userid) as user,
pg_database.datname, pg_database.datname,
pg_stat_statements.queryid, pg_stat_statements.queryid,
LEFT(pg_stat_statements.query, 120) as query,
CASE
WHEN pg_stat_statements.query ILIKE 'SELECT%' THEN 'SELECT'
WHEN pg_stat_statements.query ILIKE 'INSERT%' THEN 'INSERT'
WHEN pg_stat_statements.query ILIKE 'UPDATE%' THEN 'UPDATE'
WHEN pg_stat_statements.query ILIKE 'DELETE%' THEN 'DELETE'
ELSE 'OTHER'
END AS stmt_type,
pg_stat_statements.calls as calls_total, pg_stat_statements.calls as calls_total,
pg_stat_statements.total_exec_time / 1000.0 as seconds_total, pg_stat_statements.total_exec_time / 1000.0 as seconds_total,
pg_stat_statements.rows as rows_total, pg_stat_statements.rows as rows_total,
@ -154,11 +170,11 @@ func (PGStatStatementsCollector) Update(ctx context.Context, instance *instance,
} }
defer rows.Close() defer rows.Close()
for rows.Next() { for rows.Next() {
var user, datname, queryid sql.NullString var user, datname, queryid, query, stmt_type sql.NullString
var callsTotal, rowsTotal sql.NullInt64 var callsTotal, rowsTotal sql.NullInt64
var secondsTotal, blockReadSecondsTotal, blockWriteSecondsTotal sql.NullFloat64 var secondsTotal, blockReadSecondsTotal, blockWriteSecondsTotal sql.NullFloat64
if err := rows.Scan(&user, &datname, &queryid, &callsTotal, &secondsTotal, &rowsTotal, &blockReadSecondsTotal, &blockWriteSecondsTotal); err != nil { if err := rows.Scan(&user, &datname, &queryid, &query, &stmt_type, &callsTotal, &secondsTotal, &rowsTotal, &blockReadSecondsTotal, &blockWriteSecondsTotal); err != nil {
return err return err
} }
@ -174,16 +190,23 @@ func (PGStatStatementsCollector) Update(ctx context.Context, instance *instance,
if queryid.Valid { if queryid.Valid {
queryidLabel = queryid.String queryidLabel = queryid.String
} }
queryLabel := "unknown"
if query.Valid {
queryLabel = query.String
}
stmt_typeLabel := "unknown"
if stmt_type.Valid {
stmt_typeLabel = stmt_type.String
}
callsTotalMetric := 0.0 callsTotalMetric := 0.0
if callsTotal.Valid { if callsTotal.Valid {
callsTotalMetric = float64(callsTotal.Int64) callsTotalMetric = float64(callsTotal.Int64)
} }
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
statSTatementsCallsTotal, statStatementsCallsTotal,
prometheus.CounterValue, prometheus.CounterValue,
callsTotalMetric, callsTotalMetric,
userLabel, datnameLabel, queryidLabel, userLabel, datnameLabel, queryidLabel, queryLabel, stmt_typeLabel,
) )
secondsTotalMetric := 0.0 secondsTotalMetric := 0.0
@ -194,7 +217,7 @@ func (PGStatStatementsCollector) Update(ctx context.Context, instance *instance,
statStatementsSecondsTotal, statStatementsSecondsTotal,
prometheus.CounterValue, prometheus.CounterValue,
secondsTotalMetric, secondsTotalMetric,
userLabel, datnameLabel, queryidLabel, userLabel, datnameLabel, queryidLabel, queryLabel, stmt_typeLabel,
) )
rowsTotalMetric := 0.0 rowsTotalMetric := 0.0
@ -205,7 +228,7 @@ func (PGStatStatementsCollector) Update(ctx context.Context, instance *instance,
statStatementsRowsTotal, statStatementsRowsTotal,
prometheus.CounterValue, prometheus.CounterValue,
rowsTotalMetric, rowsTotalMetric,
userLabel, datnameLabel, queryidLabel, userLabel, datnameLabel, queryidLabel, queryLabel, stmt_typeLabel,
) )
blockReadSecondsTotalMetric := 0.0 blockReadSecondsTotalMetric := 0.0
@ -216,7 +239,7 @@ func (PGStatStatementsCollector) Update(ctx context.Context, instance *instance,
statStatementsBlockReadSecondsTotal, statStatementsBlockReadSecondsTotal,
prometheus.CounterValue, prometheus.CounterValue,
blockReadSecondsTotalMetric, blockReadSecondsTotalMetric,
userLabel, datnameLabel, queryidLabel, userLabel, datnameLabel, queryidLabel, queryLabel, stmt_typeLabel,
) )
blockWriteSecondsTotalMetric := 0.0 blockWriteSecondsTotalMetric := 0.0
@ -227,7 +250,7 @@ func (PGStatStatementsCollector) Update(ctx context.Context, instance *instance,
statStatementsBlockWriteSecondsTotal, statStatementsBlockWriteSecondsTotal,
prometheus.CounterValue, prometheus.CounterValue,
blockWriteSecondsTotalMetric, blockWriteSecondsTotalMetric,
userLabel, datnameLabel, queryidLabel, userLabel, datnameLabel, queryidLabel, queryLabel, stmt_typeLabel,
) )
} }
if err := rows.Err(); err != nil { if err := rows.Err(); err != nil {

42
collector/pg_stat_statements_test.go
View File

@ -32,9 +32,9 @@ func TestPGStateStatementsCollector(t *testing.T) {
inst := &instance{db: db, version: semver.MustParse("12.0.0")} inst := &instance{db: db, version: semver.MustParse("12.0.0")}
columns := []string{"user", "datname", "queryid", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"} columns := []string{"user", "datname", "queryid", "query", "stmt_type", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
rows := sqlmock.NewRows(columns). rows := sqlmock.NewRows(columns).
AddRow("postgres", "postgres", 1500, 5, 0.4, 100, 0.1, 0.2) AddRow("postgres", "postgres", 1500, "SELECT", "SELECT", 5, 0.4, 100, 0.1, 0.2)
mock.ExpectQuery(sanitizeQuery(pgStatStatementsQuery)).WillReturnRows(rows) mock.ExpectQuery(sanitizeQuery(pgStatStatementsQuery)).WillReturnRows(rows)
ch := make(chan prometheus.Metric) ch := make(chan prometheus.Metric)
@ -48,11 +48,11 @@ func TestPGStateStatementsCollector(t *testing.T) {
}() }()
expected := []MetricResult{ expected := []MetricResult{
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5}, {labels: labelMap{"user": "postgres", "datname": "postgres", "query": "SELECT", "stmt_type": "SELECT", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4}, {labels: labelMap{"user": "postgres", "datname": "postgres", "query": "SELECT", "stmt_type": "SELECT", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100}, {labels: labelMap{"user": "postgres", "datname": "postgres", "query": "SELECT", "stmt_type": "SELECT", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1}, {labels: labelMap{"user": "postgres", "datname": "postgres", "query": "SELECT", "stmt_type": "SELECT", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2}, {labels: labelMap{"user": "postgres", "datname": "postgres", "query": "SELECT", "stmt_type": "SELECT", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
} }
convey.Convey("Metrics comparison", t, func() { convey.Convey("Metrics comparison", t, func() {
@ -75,9 +75,9 @@ func TestPGStateStatementsCollectorNull(t *testing.T) {
inst := &instance{db: db, version: semver.MustParse("13.3.7")} inst := &instance{db: db, version: semver.MustParse("13.3.7")}
columns := []string{"user", "datname", "queryid", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"} columns := []string{"user", "datname", "queryid", "query", "stmt_type", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
rows := sqlmock.NewRows(columns). rows := sqlmock.NewRows(columns).
AddRow(nil, nil, nil, nil, nil, nil, nil, nil) AddRow(nil, nil, nil, nil, nil, nil, nil, nil, nil, nil)
mock.ExpectQuery(sanitizeQuery(pgStatStatementsNewQuery)).WillReturnRows(rows) mock.ExpectQuery(sanitizeQuery(pgStatStatementsNewQuery)).WillReturnRows(rows)
ch := make(chan prometheus.Metric) ch := make(chan prometheus.Metric)
@ -91,11 +91,11 @@ func TestPGStateStatementsCollectorNull(t *testing.T) {
}() }()
expected := []MetricResult{ expected := []MetricResult{
{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0}, {labels: labelMap{"user": "unknown", "datname": "unknown", "query": "unknown", "stmt_type": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0}, {labels: labelMap{"user": "unknown", "datname": "unknown", "query": "unknown", "stmt_type": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0}, {labels: labelMap{"user": "unknown", "datname": "unknown", "query": "unknown", "stmt_type": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0}, {labels: labelMap{"user": "unknown", "datname": "unknown", "query": "unknown", "stmt_type": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
{labels: labelMap{"user": "unknown", "datname": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0}, {labels: labelMap{"user": "unknown", "datname": "unknown", "query": "unknown", "stmt_type": "unknown", "queryid": "unknown"}, metricType: dto.MetricType_COUNTER, value: 0},
} }
convey.Convey("Metrics comparison", t, func() { convey.Convey("Metrics comparison", t, func() {
@ -118,9 +118,9 @@ func TestPGStateStatementsCollectorNewPG(t *testing.T) {
inst := &instance{db: db, version: semver.MustParse("13.3.7")} inst := &instance{db: db, version: semver.MustParse("13.3.7")}
columns := []string{"user", "datname", "queryid", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"} columns := []string{"user", "datname", "queryid", "query", "stmt_type", "calls_total", "seconds_total", "rows_total", "block_read_seconds_total", "block_write_seconds_total"}
rows := sqlmock.NewRows(columns). rows := sqlmock.NewRows(columns).
AddRow("postgres", "postgres", 1500, 5, 0.4, 100, 0.1, 0.2) AddRow("postgres", "postgres", 1500, "SELECT", "SELECT", 5, 0.4, 100, 0.1, 0.2)
mock.ExpectQuery(sanitizeQuery(pgStatStatementsNewQuery)).WillReturnRows(rows) mock.ExpectQuery(sanitizeQuery(pgStatStatementsNewQuery)).WillReturnRows(rows)
ch := make(chan prometheus.Metric) ch := make(chan prometheus.Metric)
@ -134,11 +134,11 @@ func TestPGStateStatementsCollectorNewPG(t *testing.T) {
}() }()
expected := []MetricResult{ expected := []MetricResult{
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5}, {labels: labelMap{"user": "postgres", "datname": "postgres", "query": "SELECT", "stmt_type": "SELECT", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 5},
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4}, {labels: labelMap{"user": "postgres", "datname": "postgres", "query": "SELECT", "stmt_type": "SELECT", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.4},
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100}, {labels: labelMap{"user": "postgres", "datname": "postgres", "query": "SELECT", "stmt_type": "SELECT", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 100},
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1}, {labels: labelMap{"user": "postgres", "datname": "postgres", "query": "SELECT", "stmt_type": "SELECT", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.1},
{labels: labelMap{"user": "postgres", "datname": "postgres", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2}, {labels: labelMap{"user": "postgres", "datname": "postgres", "query": "SELECT", "stmt_type": "SELECT", "queryid": "1500"}, metricType: dto.MetricType_COUNTER, value: 0.2},
} }
convey.Convey("Metrics comparison", t, func() { convey.Convey("Metrics comparison", t, func() {