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Add changelog, website and metric docs 

Add changelog to document what changed.
Add entry to telemetry section of the website to document what changed
Add docs to the usagemetric endpoint to help document the metrics in code
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Connor Kelly 2021-10-05 13:34:24 -05:00
parent ed5693b537
commit f9ba7c39b5
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3
.changelog/11222.txt Normal file
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@ -0,0 +1,3 @@
```release-note:improvement
telemetry: Add new metrics for the count of connect service instances and configuration entries.
```

8
agent/consul/usagemetrics/usagemetrics.go
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@ -40,6 +40,14 @@ var Gauges = []prometheus.GaugeDefinition{
Name: []string{"consul", "kv", "entries"},
Help: "Measures the current number of server agents registered with Consul. It is only emitted by Consul servers. Added in v1.10.3.",
},
{
Name: []string{"consul", "state", "connect_instances"},
Help: "Measures the current number of unique connect service instances registered with Consul, labeled by Kind. It is only emitted by Consul servers. Added in v1.10.4.",
},
{
Name: []string{"consul", "state", "config_entries"},
Help: "Measures the current number of unique configuration entries registered with Consul, labeled by Kind. It is only emitted by Consul servers. Added in v1.10.4.",
},
}
type getMembersFunc func() []serf.Member

2
website/content/docs/agent/telemetry.mdx
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@ -314,6 +314,8 @@ This is a full list of metrics emitted by Consul.
| `consul.state.services` | Measures the current number of unique services registered with Consul, based on service name. It is only emitted by Consul servers. Added in v1.9.0. | number of objects | gauge |
| `consul.state.service_instances` | Measures the current number of unique service instances registered with Consul. It is only emitted by Consul servers. Added in v1.9.0. | number of objects | gauge |
| `consul.state.kv_entries` | Measures the current number of unique KV entries written in Consul. It is only emitted by Consul servers. Added in v1.10.3. | number of objects | gauge |
| `consul.state.connect_instances` | Measures the current number of unique connect service instances registered with Consul labeled by Kind (e.g. connect-proxy, connect-native, etc). Added in v1.10.4 | number of objects | gauge |
| `consul.state.config_entries` | Measures the current number of configuration entries registered with Consul labeled by Kind (e.g. service-defaults, proxy-defaults, etc). See [Configuration Entries](/docs/connect/config-entries) for more information. Added in v1.10.4 | number of objects | gauge |
| `consul.members.clients` | Measures the current number of client agents registered with Consul. It is only emitted by Consul servers. Added in v1.9.6. | number of clients | gauge |
| `consul.members.servers` | Measures the current number of server agents registered with Consul. It is only emitted by Consul servers. Added in v1.9.6. | number of servers | gauge |
| `consul.dns.stale_queries` | Increments when an agent serves a query within the allowed stale threshold. | queries | counter |