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kyverno/cmd/internal/flag.go
Charles-Edouard Brétéché 8f6c3e648c
feat: add dynamic client support to internal cmd package (#5477)
* feat: add dynamic client support to internal cmd package

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

* Update cmd/internal/client.go

Signed-off-by: shuting <shutting06@gmail.com>

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>
Signed-off-by: shuting <shutting06@gmail.com>
Co-authored-by: shuting <shutting06@gmail.com>
2022-11-29 09:16:07 +00:00

95 lines
3.5 KiB
Go

package internal
import (
"flag"
"github.com/kyverno/kyverno/pkg/logging"
)
var (
// logging
loggingFormat string
// profiling
profilingEnabled bool
profilingAddress string
profilingPort string
// tracing
tracingEnabled bool
tracingAddress string
tracingPort string
tracingCreds string
// metrics
otel string
otelCollector string
metricsPort string
transportCreds string
disableMetricsExport bool
// kubeconfig
kubeconfig string
clientRateLimitQPS float64
clientRateLimitBurst int
)
func initLoggingFlags() {
logging.InitFlags(nil)
flag.StringVar(&loggingFormat, "loggingFormat", logging.TextFormat, "This determines the output format of the logger.")
checkErr(flag.Set("v", "2"), "failed to init flags")
}
func initProfilingFlags() {
flag.BoolVar(&profilingEnabled, "profile", false, "Set this flag to 'true', to enable profiling.")
flag.StringVar(&profilingPort, "profilePort", "6060", "Profiling server port, defaults to '6060'.")
flag.StringVar(&profilingAddress, "profileAddress", "", "Profiling server address, defaults to ''.")
}
func initTracingFlags() {
flag.BoolVar(&tracingEnabled, "enableTracing", false, "Set this flag to 'true', to enable tracing.")
flag.StringVar(&tracingPort, "tracingPort", "4317", "Tracing receiver port, defaults to '4317'.")
flag.StringVar(&tracingAddress, "tracingAddress", "", "Tracing receiver address, defaults to ''.")
flag.StringVar(&tracingCreds, "tracingCreds", "", "Set this flag to the CA secret containing the certificate which is used by our Opentelemetry Tracing Client. If empty string is set, means an insecure connection will be used")
}
func initMetricsFlags() {
flag.StringVar(&otel, "otelConfig", "prometheus", "Set this flag to 'grpc', to enable exporting metrics to an Opentelemetry Collector. The default collector is set to \"prometheus\"")
flag.StringVar(&otelCollector, "otelCollector", "opentelemetrycollector.kyverno.svc.cluster.local", "Set this flag to the OpenTelemetry Collector Service Address. Kyverno will try to connect to this on the metrics port.")
flag.StringVar(&transportCreds, "transportCreds", "", "Set this flag to the CA secret containing the certificate which is used by our Opentelemetry Metrics Client. If empty string is set, means an insecure connection will be used")
flag.StringVar(&metricsPort, "metricsPort", "8000", "Expose prometheus metrics at the given port, default to 8000.")
flag.BoolVar(&disableMetricsExport, "disableMetrics", false, "Set this flag to 'true' to disable metrics.")
}
func initKubeconfigFlags() {
flag.StringVar(&kubeconfig, "kubeconfig", "", "Path to a kubeconfig. Only required if out-of-cluster.")
flag.Float64Var(&clientRateLimitQPS, "clientRateLimitQPS", 20, "Configure the maximum QPS to the Kubernetes API server from Kyverno. Uses the client default if zero.")
flag.IntVar(&clientRateLimitBurst, "clientRateLimitBurst", 50, "Configure the maximum burst for throttle. Uses the client default if zero.")
}
func InitFlags(config Configuration) {
// logging
initLoggingFlags()
// profiling
if config.UsesProfiling() {
initProfilingFlags()
}
// tracing
if config.UsesTracing() {
initTracingFlags()
}
// metrics
if config.UsesMetrics() {
initMetricsFlags()
}
// kubeconfig
if config.UsesKubeconfig() {
initKubeconfigFlags()
}
for _, flagset := range config.FlagSets() {
flagset.VisitAll(func(f *flag.Flag) {
flag.CommandLine.Var(f.Value, f.Name, f.Usage)
})
}
}
func ParseFlags(config Configuration) {
InitFlags(config)
flag.Parse()
}