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memory: fix panics if metrics does not exists (#1960)

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Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
This commit is contained in:
Jan-Otto Kröpke
2025-04-04 23:21:26 +02:00
committed by GitHub
parent 88c929ac6f
commit ecc805f0fa
39 changed files with 565 additions and 364 deletions
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24
internal/collector/cpu_info/cpu_info.go
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@@ -75,18 +75,6 @@ func (c *Collector) Close() error {
}
func (c *Collector) Build(_ *slog.Logger, miSession *mi.Session) error {
if miSession == nil {
return errors.New("miSession is nil")
}
miQuery, err := mi.NewQuery("SELECT Architecture, DeviceId, Description, Family, L2CacheSize, L3CacheSize, Name, ThreadCount, NumberOfCores, NumberOfEnabledCore, NumberOfLogicalProcessors FROM Win32_Processor")
if err != nil {
return fmt.Errorf("failed to create WMI query: %w", err)
}
c.miQuery = miQuery
c.miSession = miSession
c.cpuInfo = prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, "", Name),
"Labelled CPU information as provided by Win32_Processor",
@@ -148,6 +136,18 @@ func (c *Collector) Build(_ *slog.Logger, miSession *mi.Session) error {
nil,
)
if miSession == nil {
return errors.New("miSession is nil")
}
miQuery, err := mi.NewQuery("SELECT Architecture, DeviceId, Description, Family, L2CacheSize, L3CacheSize, Name, ThreadCount, NumberOfCores, NumberOfEnabledCore, NumberOfLogicalProcessors FROM Win32_Processor")
if err != nil {
return fmt.Errorf("failed to create WMI query: %w", err)
}
c.miQuery = miQuery
c.miSession = miSession
var dst []miProcessor
if err := c.miSession.Query(&dst, mi.NamespaceRootCIMv2, c.miQuery); err != nil {
return fmt.Errorf("WMI query failed: %w", err)