admin/kubesphere
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add metrics to controller-manager

Browse Source 
Signed-off-by: LiHui <andrewli@yunify.com>
This commit is contained in:
LiHui
2020-12-23 09:44:30 +08:00
parent 056bebdec6
commit 611f1c6991
8 changed files with 60 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
pkg/utils/metrics/endpoint.go
View File

@@ -1,35 +0,0 @@
package metrics
import (
compbasemetrics "k8s.io/component-base/metrics"
)
var (
RequestCounter = compbasemetrics.NewCounterVec(
&compbasemetrics.CounterOpts{
Name: "ks_server_request_total",
Help: "Counter of ks_server requests broken out for each verb, group, version, resource and HTTP response code.",
StabilityLevel: compbasemetrics.ALPHA,
},
[]string{"verb", "group", "version", "resource", "code"},
)
RequestLatencies = compbasemetrics.NewHistogramVec(
&compbasemetrics.HistogramOpts{
Name: "ks_server_request_duration_seconds",
Help: "Response latency distribution in seconds for each verb, group, version, resource",
// This metric is used for verifying api call latencies SLO,
// as well as tracking regressions in this aspects.
// Thus we customize buckets significantly, to empower both usecases.
Buckets: []float64{0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0,
1.25, 1.5, 1.75, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 40, 50, 60},
StabilityLevel: compbasemetrics.ALPHA,
},
[]string{"verb", "group", "version", "resource"},
)
metrics = []compbasemetrics.Registerable{
RequestCounter,
RequestLatencies,
}
)

29
pkg/utils/metrics/metrics.go
View File

@@ -8,25 +8,28 @@ import (
compbasemetrics "k8s.io/component-base/metrics"
ksVersion "kubesphere.io/kubesphere/pkg/version"
"net/http"
"sync"
)
var (
Defaults DefaultMetrics
//registerMetrics sync.Once
defaultRegistry = compbasemetrics.NewKubeRegistry()
Defaults DefaultMetrics
defaultRegistry compbasemetrics.KubeRegistry
// MustRegister registers registerable metrics but uses the defaultRegistry, panic upon the first registration that causes an error
MustRegister = defaultRegistry.MustRegister
MustRegister func(...compbasemetrics.Registerable)
// Register registers a collectable metric but uses the defaultRegistry
Register = defaultRegistry.Register
Register func(compbasemetrics.Registerable) error
)
func init() {
defaultRegistry = compbasemetrics.NewKubeRegistry()
MustRegister = defaultRegistry.MustRegister
Register = defaultRegistry.Register
}
// DefaultMetrics installs the default prometheus metrics handler
type DefaultMetrics struct{}
// Install adds the DefaultMetrics handler
func (m DefaultMetrics) Install(c *restful.Container) {
register()
c.Handle("/kapis/metrics", Handler())
}
@@ -51,15 +54,3 @@ func versionGet() apimachineryversion.Info {
func Handler() http.Handler {
return promhttp.InstrumentMetricHandler(prometheus.DefaultRegisterer, promhttp.HandlerFor(defaultRegistry, promhttp.HandlerOpts{}))
}
var registerMetrics sync.Once
func register() {
registerMetrics.Do(func() {
defaultRegistry.RawMustRegister(prometheus.NewProcessCollector(prometheus.ProcessCollectorOpts{}))
defaultRegistry.RawMustRegister(prometheus.NewGoCollector())
for _, metric := range metrics {
MustRegister(metric)
}
})
}