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Add external_dns_controller_last_reconcile_timestamp_seconds metric #3340

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merged 3 commits into from
Oct 7, 2023
Merged

Add external_dns_controller_last_reconcile_timestamp_seconds metric #3340

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8389939
Add external_dns_controller_last_reconcile_timestamp_seconds metric
gozer Jan 26, 2023
786cd5d
Fix table indentation
gozer Jan 26, 2023
6e15aa0
Merge branch 'master' into issue/3339/last_reconcile_timestamp_seconds
gozer Apr 14, 2023
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12 changes: 12 additions & 0 deletions controller/controller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,14 @@ var (
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(
prometheus.CounterOpts{
Namespace: "external_dns",
Expand Down Expand Up @@ -150,6 +158,7 @@ func init() {
prometheus.MustRegister(sourceEndpointsTotal)
prometheus.MustRegister(registryEndpointsTotal)
prometheus.MustRegister(lastSyncTimestamp)
prometheus.MustRegister(lastReconcileTimestamp)
prometheus.MustRegister(deprecatedRegistryErrors)
prometheus.MustRegister(deprecatedSourceErrors)
prometheus.MustRegister(controllerNoChangesTotal)
Expand Down Expand Up @@ -188,6 +197,8 @@ type Controller struct {

// RunOnce runs a single iteration of a reconciliation loop.
func (c *Controller) RunOnce(ctx context.Context) error {
lastReconcileTimestamp.SetToCurrentTime()

records, err := c.Registry.Records(ctx)
if err != nil {
registryErrorsTotal.Inc()
Expand Down Expand Up @@ -265,6 +276,7 @@ func (c *Controller) RunOnce(ctx context.Context) error {
}

lastSyncTimestamp.SetToCurrentTime()

return nil
}

Expand Down
28 changes: 15 additions & 13 deletions docs/faq.md
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Original file line number Diff line number Diff line change
Expand Up @@ -178,19 +178,21 @@ 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:

| Name | Description | Type |
| --------------------------------------------------- | ------------------------------------------------------------------ | ------- |
| external_dns_controller_last_sync_timestamp_seconds | Timestamp of last successful sync with the DNS provider | 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_source_endpoints_total | Number of Endpoints in the registry | Gauge |
| external_dns_source_errors_total | Number of Source errors | Counter |
| external_dns_controller_verified_aaaa_records | Number of DNS AAAA-records that exists both in source and registry | Gauge |
| external_dns_controller_verified_a_records | Number of DNS A-records that exists both in source and registry | Gauge |
| external_dns_registry_aaaa_records | Number of AAAA records in registry | Gauge |
| external_dns_registry_a_records | Number of A records in registry | 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 |
| Name | Description | Type |
| -------------------------------------------------------- | ------------------------------------------------------------------ | ------- |
| 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_errors_total | Number of Registry errors | Counter |
| external_dns_source_endpoints_total | Number of Endpoints in the registry | Gauge |
| external_dns_source_errors_total | Number of Source errors | Counter |
| external_dns_controller_verified_aaaa_records | Number of DNS AAAA-records that exists both in source and registry | Gauge |
| external_dns_controller_verified_a_records | Number of DNS A-records that exists both in source and registry | Gauge |
| external_dns_registry_aaaa_records | Number of AAAA records in registry | Gauge |
| external_dns_registry_a_records | Number of A records in registry | 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 |


### How can I run ExternalDNS under a specific GCP Service Account, e.g. to access DNS records in other projects?

Expand Down