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feat: Tolerate collector failures (#1769)

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Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
This commit is contained in:
Jan-Otto Kröpke
2024-11-25 21:27:31 +01:00
committed by GitHub
parent fd76be38e0
commit 1a4c6c5ce7
121 changed files with 1726 additions and 1221 deletions
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10
internal/collector/mssql/mssql_sql_stats.go
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@@ -16,6 +16,7 @@
package mssql
import (
"errors"
"fmt"
"github.com/prometheus-community/windows_exporter/internal/perfdata"
@@ -57,6 +58,7 @@ func (c *Collector) buildSQLStats() error {
var err error
c.genStatsPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
errs := make([]error, 0, len(c.mssqlInstances))
counters := []string{
sqlStatsAutoParamAttemptsPerSec,
sqlStatsBatchRequestsPerSec,
@@ -74,7 +76,7 @@ func (c *Collector) buildSQLStats() error {
for sqlInstance := range c.mssqlInstances {
c.genStatsPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "SQL Statistics"), nil, counters)
if err != nil {
return fmt.Errorf("failed to create SQL Statistics collector for instance %s: %w", sqlInstance, err)
errs = append(errs, fmt.Errorf("failed to create SQL Statistics collector for instance %s: %w", sqlInstance, err))
}
}
@@ -145,7 +147,7 @@ func (c *Collector) buildSQLStats() error {
nil,
)
return nil
return errors.Join(errs...)
}
func (c *Collector) collectSQLStats(ch chan<- prometheus.Metric) error {
@@ -153,6 +155,10 @@ func (c *Collector) collectSQLStats(ch chan<- prometheus.Metric) error {
}
func (c *Collector) collectSQLStatsInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
if perfDataCollector == nil {
return types.ErrCollectorNotInitialized
}
perfData, err := perfDataCollector.Collect()
if err != nil {
return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "SQL Statistics"), err)