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process: do not fail, if collector.process.iis is enabled and WMI WebAdministration is not present. (#2082)

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This commit is contained in:
Jan-Otto Kröpke
2025-06-29 14:12:56 +02:00
committed by GitHub
parent b02bddd38e
commit 66751baef6
3 changed files with 28 additions and 19 deletions
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36
internal/collector/process/process.go
View File

@@ -180,20 +180,6 @@ func (c *Collector) Build(logger *slog.Logger, miSession *mi.Session) error {
var err error
if c.config.EnableWorkerProcess {
if miSession == nil {
return errors.New("miSession is nil")
}
miQuery, err := mi.NewQuery("SELECT AppPoolName, ProcessId FROM WorkerProcess")
if err != nil {
return fmt.Errorf("failed to create WMI query: %w", err)
}
c.workerProcessMIQueryQuery = miQuery
c.miSession = miSession
}
switch c.config.CounterVersion {
case 2:
c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues](pdh.CounterTypeRaw, "Process V2", pdh.InstancesAll)
@@ -333,6 +319,28 @@ func (c *Collector) Build(logger *slog.Logger, miSession *mi.Session) error {
nil,
)
if c.config.EnableWorkerProcess {
if miSession == nil {
return errors.New("miSession is nil")
}
miQuery, err := mi.NewQuery("SELECT AppPoolName, ProcessId FROM WorkerProcess")
if err != nil {
return fmt.Errorf("failed to create WMI query: %w", err)
}
c.workerProcessMIQueryQuery = miQuery
c.miSession = miSession
var workerProcesses []WorkerProcess
if err = c.miSession.Query(&workerProcesses, mi.NamespaceRootWebAdministration, c.workerProcessMIQueryQuery); err != nil {
c.config.EnableWorkerProcess = false
return fmt.Errorf("WMI query for collector.process.iis failed: %w", err)
}
}
return nil
}

8
internal/collector/process/process_worker.go
View File

@@ -45,10 +45,12 @@ func (c *Collector) collect(ch chan<- prometheus.Metric) error {
return fmt.Errorf("failed to collect metrics: %w", err)
}
err = nil
var workerProcesses []WorkerProcess
if c.config.EnableWorkerProcess {
if err := c.miSession.Query(&workerProcesses, mi.NamespaceRootWebAdministration, c.workerProcessMIQueryQuery); err != nil {
return fmt.Errorf("WMI query failed: %w", err)
if err = c.miSession.Query(&workerProcesses, mi.NamespaceRootWebAdministration, c.workerProcessMIQueryQuery); err != nil {
err = fmt.Errorf("WMI query for collector.process.iis failed: %w", err)
}
}
@@ -88,7 +90,7 @@ func (c *Collector) collect(ch chan<- prometheus.Metric) error {
wg.Wait()
return nil
return err
}
func (c *Collector) collectWorker() {