feat: Tolerate collector failures (#1769)

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

View File

@@ -16,6 +16,7 @@
package mssql
import (
"errors"
"fmt"
"github.com/prometheus-community/windows_exporter/internal/perfdata"
@@ -52,6 +53,7 @@ func (c *Collector) buildLocks() error {
var err error
c.locksPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
errs := make([]error, 0, len(c.mssqlInstances))
counters := []string{
locksAverageWaitTimeMS,
locksAverageWaitTimeMSBase,
@@ -66,7 +68,7 @@ func (c *Collector) buildLocks() error {
for sqlInstance := range c.mssqlInstances {
c.locksPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "Locks"), perfdata.InstancesAll, counters)
if err != nil {
return fmt.Errorf("failed to create Locks collector for instance %s: %w", sqlInstance, err)
errs = append(errs, fmt.Errorf("failed to create Locks collector for instance %s: %w", sqlInstance, err))
}
}
@@ -119,7 +121,7 @@ func (c *Collector) buildLocks() error {
nil,
)
return nil
return errors.Join(errs...)
}
func (c *Collector) collectLocks(ch chan<- prometheus.Metric) error {
@@ -127,6 +129,10 @@ func (c *Collector) collectLocks(ch chan<- prometheus.Metric) error {
}
func (c *Collector) collectLocksInstance(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, "Locks"), err)