93 lines
4.6 KiB
Go
93 lines
4.6 KiB
Go
/*
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Copyright 2020 The cert-manager Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package options
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import (
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"strings"
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"github.com/spf13/pflag"
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cliflag "k8s.io/component-base/cli/flag"
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config "github.com/cert-manager/cert-manager/internal/apis/config/webhook"
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configscheme "github.com/cert-manager/cert-manager/internal/apis/config/webhook/scheme"
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configv1alpha1 "github.com/cert-manager/cert-manager/pkg/apis/config/webhook/v1alpha1"
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logf "github.com/cert-manager/cert-manager/pkg/logs"
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utilfeature "github.com/cert-manager/cert-manager/pkg/util/feature"
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)
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// WebhookFlags defines options that can only be configured via flags.
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type WebhookFlags struct {
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// Path to a file containing a WebhookConfiguration resource
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Config string
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}
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func NewWebhookFlags() *WebhookFlags {
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return &WebhookFlags{}
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}
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func (f *WebhookFlags) AddFlags(fs *pflag.FlagSet) {
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fs.StringVar(&f.Config, "config", "", "Path to a file containing a WebhookConfiguration object used to configure the webhook")
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}
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func NewWebhookConfiguration() (*config.WebhookConfiguration, error) {
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scheme, _, err := configscheme.NewSchemeAndCodecs()
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if err != nil {
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return nil, err
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}
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versioned := &configv1alpha1.WebhookConfiguration{}
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scheme.Default(versioned)
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config := &config.WebhookConfiguration{}
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if err := scheme.Convert(versioned, config, nil); err != nil {
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return nil, err
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}
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return config, nil
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}
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func AddConfigFlags(fs *pflag.FlagSet, c *config.WebhookConfiguration) {
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fs.Int32Var(&c.SecurePort, "secure-port", c.SecurePort, "port number to listen on for secure TLS connections")
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fs.Int32Var(&c.HealthzPort, "healthz-port", c.HealthzPort, "port number to listen on for insecure healthz connections")
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fs.StringVar(&c.TLSConfig.Filesystem.CertFile, "tls-cert-file", c.TLSConfig.Filesystem.CertFile, "path to the file containing the TLS certificate to serve with")
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fs.StringVar(&c.TLSConfig.Filesystem.KeyFile, "tls-private-key-file", c.TLSConfig.Filesystem.KeyFile, "path to the file containing the TLS private key to serve with")
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fs.StringVar(&c.TLSConfig.Dynamic.SecretNamespace, "dynamic-serving-ca-secret-namespace", c.TLSConfig.Dynamic.SecretNamespace, "namespace of the secret used to store the CA that signs serving certificates")
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fs.StringVar(&c.TLSConfig.Dynamic.SecretName, "dynamic-serving-ca-secret-name", c.TLSConfig.Dynamic.SecretName, "name of the secret used to store the CA that signs serving certificates certificates")
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fs.StringSliceVar(&c.TLSConfig.Dynamic.DNSNames, "dynamic-serving-dns-names", c.TLSConfig.Dynamic.DNSNames, "DNS names that should be present on certificates generated by the dynamic serving CA")
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fs.StringVar(&c.KubeConfig, "kubeconfig", c.KubeConfig, "optional path to the kubeconfig used to connect to the apiserver. If not specified, in-cluster-config will be used")
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fs.StringVar(&c.APIServerHost, "api-server-host", c.APIServerHost, ""+
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"Optional apiserver host address to connect to. If not specified, autoconfiguration "+
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"will be attempted.")
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fs.BoolVar(&c.EnablePprof, "enable-profiling", c.EnablePprof, ""+
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"Enable profiling for webhook.")
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fs.StringVar(&c.PprofAddress, "profiler-address", c.PprofAddress,
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"Address of the Go profiler (pprof). This should never be exposed on a public interface. If this flag is not set, the profiler is not run.")
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tlsCipherPossibleValues := cliflag.TLSCipherPossibleValues()
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fs.StringSliceVar(&c.TLSConfig.CipherSuites, "tls-cipher-suites", c.TLSConfig.CipherSuites,
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"Comma-separated list of cipher suites for the server. "+
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"If omitted, the default Go cipher suites will be use. "+
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"Possible values: "+strings.Join(tlsCipherPossibleValues, ","))
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tlsPossibleVersions := cliflag.TLSPossibleVersions()
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fs.StringVar(&c.TLSConfig.MinTLSVersion, "tls-min-version", c.TLSConfig.MinTLSVersion,
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"Minimum TLS version supported. "+
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"Possible values: "+strings.Join(tlsPossibleVersions, ", "))
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fs.Var(cliflag.NewMapStringBool(&c.FeatureGates), "feature-gates", "A set of key=value pairs that describe feature gates for alpha/experimental features. "+
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"Options are:\n"+strings.Join(utilfeature.DefaultFeatureGate.KnownFeatures(), "\n"))
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logf.AddFlags(&c.Logging, fs)
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}
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