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Merge pull request #3340 from gozer/issue/3339/last_reconcile_timestamp_seconds

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Add external_dns_controller_last_reconcile_timestamp_seconds metric
This commit is contained in:
Kubernetes Prow Robot 2023-10-07 11:45:10 +02:00 committed by GitHub
commit bc22050579
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2 changed files with 27 additions and 13 deletions
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12
controller/controller.go
View File

@ -73,6 +73,14 @@ var (
Help: "Timestamp of last successful sync with the DNS provider", Help: "Timestamp of last successful sync with the DNS provider",
}, },
) )
lastReconcileTimestamp = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "external_dns",
Subsystem: "controller",
Name: "last_reconcile_timestamp_seconds",
Help: "Timestamp of last attempted sync with the DNS provider",
},
)
controllerNoChangesTotal = prometheus.NewCounter( controllerNoChangesTotal = prometheus.NewCounter(
prometheus.CounterOpts{ prometheus.CounterOpts{
Namespace: "external_dns", Namespace: "external_dns",
@ -151,6 +159,7 @@ func init() {
prometheus.MustRegister(sourceEndpointsTotal) prometheus.MustRegister(sourceEndpointsTotal)
prometheus.MustRegister(registryEndpointsTotal) prometheus.MustRegister(registryEndpointsTotal)
prometheus.MustRegister(lastSyncTimestamp) prometheus.MustRegister(lastSyncTimestamp)
prometheus.MustRegister(lastReconcileTimestamp)
prometheus.MustRegister(deprecatedRegistryErrors) prometheus.MustRegister(deprecatedRegistryErrors)
prometheus.MustRegister(deprecatedSourceErrors) prometheus.MustRegister(deprecatedSourceErrors)
prometheus.MustRegister(controllerNoChangesTotal) prometheus.MustRegister(controllerNoChangesTotal)
@ -191,6 +200,8 @@ type Controller struct {
// RunOnce runs a single iteration of a reconciliation loop. // RunOnce runs a single iteration of a reconciliation loop.
func (c *Controller) RunOnce(ctx context.Context) error { func (c *Controller) RunOnce(ctx context.Context) error {
lastReconcileTimestamp.SetToCurrentTime()
records, err := c.Registry.Records(ctx) records, err := c.Registry.Records(ctx)
if err != nil { if err != nil {
registryErrorsTotal.Inc() registryErrorsTotal.Inc()
@ -248,6 +259,7 @@ func (c *Controller) RunOnce(ctx context.Context) error {
} }
lastSyncTimestamp.SetToCurrentTime() lastSyncTimestamp.SetToCurrentTime()
return nil return nil
} }

4
docs/faq.md
View File

@ -179,8 +179,9 @@ You can use the host label in the metric to figure out if the request was agains
Here is the full list of available metrics provided by ExternalDNS: Here is the full list of available metrics provided by ExternalDNS:
| Name | Description | Type | | Name | Description | Type |
| --------------------------------------------------- | ------------------------------------------------------------------ | ------- | | -------------------------------------------------------- | ------------------------------------------------------------------ | ------- |
| external_dns_controller_last_sync_timestamp_seconds | Timestamp of last successful sync with the DNS provider | Gauge | | external_dns_controller_last_sync_timestamp_seconds | Timestamp of last successful sync with the DNS provider | Gauge |
| external_dns_controller_last_reconcile_timestamp_seconds | Timestamp of last attempted sync with the DNS provider | Gauge |
| external_dns_registry_endpoints_total | Number of Endpoints in all sources | Gauge | | external_dns_registry_endpoints_total | Number of Endpoints in all sources | Gauge |
| external_dns_registry_errors_total | Number of Registry errors | Counter | | external_dns_registry_errors_total | Number of Registry errors | Counter |
| external_dns_source_endpoints_total | Number of Endpoints in the registry | Gauge | | external_dns_source_endpoints_total | Number of Endpoints in the registry | Gauge |
@ -192,6 +193,7 @@ Here is the full list of available metrics provided by ExternalDNS:
| external_dns_source_aaaa_records | Number of AAAA records in source | Gauge | | external_dns_source_aaaa_records | Number of AAAA records in source | Gauge |
| external_dns_source_a_records | Number of A records in source | Gauge | | external_dns_source_a_records | Number of A records in source | Gauge |
### How can I run ExternalDNS under a specific GCP Service Account, e.g. to access DNS records in other projects? ### How can I run ExternalDNS under a specific GCP Service Account, e.g. to access DNS records in other projects?
Have a look at https://github.com/linki/mate/blob/v0.6.2/examples/google/README.md#permissions Have a look at https://github.com/linki/mate/blob/v0.6.2/examples/google/README.md#permissions