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fix: only add prom autopilot gauges to servers (#11241) 

Signed-off-by: FFMMM <FFMMM@users.noreply.github.com>
This commit is contained in:
FFMMM 2021-10-13 09:25:30 -07:00 committed by GitHub
parent 0a6d683c84
commit bb228ab165
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 11 additions and 3 deletions
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3
.changelog/11241.txt Normal file
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@ -0,0 +1,3 @@
```release-note:bug
telemetry: Consul Clients no longer emit Autopilot metrics.
```

11
agent/setup.go
View File

@ -83,7 +83,8 @@ func NewBaseDeps(configLoader ConfigLoader, logOut io.Writer) (BaseDeps, error)
return d, fmt.Errorf("failed to setup node ID: %w", err)
}
gauges, counters, summaries := getPrometheusDefs(cfg.Telemetry)
isServer := result.RuntimeConfig.ServerMode
gauges, counters, summaries := getPrometheusDefs(cfg.Telemetry, isServer)
cfg.Telemetry.PrometheusOpts.GaugeDefinitions = gauges
cfg.Telemetry.PrometheusOpts.CounterDefinitions = counters
cfg.Telemetry.PrometheusOpts.SummaryDefinitions = summaries
@ -187,7 +188,7 @@ func newConnPool(config *config.RuntimeConfig, logger hclog.Logger, tls *tlsutil
// getPrometheusDefs reaches into every slice of prometheus defs we've defined in each part of the agent, and appends
// all of our slices into one nice slice of definitions per metric type for the Consul agent to pass to go-metrics.
func getPrometheusDefs(cfg lib.TelemetryConfig) ([]prometheus.GaugeDefinition, []prometheus.CounterDefinition, []prometheus.SummaryDefinition) {
func getPrometheusDefs(cfg lib.TelemetryConfig, isServer bool) ([]prometheus.GaugeDefinition, []prometheus.CounterDefinition, []prometheus.SummaryDefinition) {
// TODO: "raft..." metrics come from the raft lib and we should migrate these to a telemetry
// package within. In the mean time, we're going to define a few here because they're key to monitoring Consul.
raftGauges := []prometheus.GaugeDefinition{
@ -204,7 +205,6 @@ func getPrometheusDefs(cfg lib.TelemetryConfig) ([]prometheus.GaugeDefinition, [
// Build slice of slices for all gauge definitions
var gauges = [][]prometheus.GaugeDefinition{
cache.Gauges,
consul.AutopilotGauges,
consul.RPCGauges,
consul.SessionGauges,
grpc.StatsGauges,
@ -216,6 +216,11 @@ func getPrometheusDefs(cfg lib.TelemetryConfig) ([]prometheus.GaugeDefinition, [
raftGauges,
}
// TODO(ffmmm): conditionally add only leader specific metrics to gauges, counters, summaries, etc
if isServer {
gauges = append(gauges, consul.AutopilotGauges)
}
// Flatten definitions
// NOTE(kit): Do we actually want to create a set here so we can ensure definition names are unique?
var gaugeDefs []prometheus.GaugeDefinition