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start.go
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start.go
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/*
Copyright 2020 The cert-manager Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package app
import (
"fmt"
"github.com/spf13/cobra"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
_ "k8s.io/client-go/plugin/pkg/client/auth"
"github.com/jetstack/cert-manager/cmd/controller/app/options"
_ "github.com/jetstack/cert-manager/pkg/controller/acmechallenges"
_ "github.com/jetstack/cert-manager/pkg/controller/acmeorders"
_ "github.com/jetstack/cert-manager/pkg/controller/certificate-shim/gateways"
_ "github.com/jetstack/cert-manager/pkg/controller/certificate-shim/ingresses"
_ "github.com/jetstack/cert-manager/pkg/controller/certificates/trigger"
_ "github.com/jetstack/cert-manager/pkg/controller/clusterissuers"
_ "github.com/jetstack/cert-manager/pkg/controller/issuers"
_ "github.com/jetstack/cert-manager/pkg/issuer/acme"
_ "github.com/jetstack/cert-manager/pkg/issuer/ca"
_ "github.com/jetstack/cert-manager/pkg/issuer/selfsigned"
_ "github.com/jetstack/cert-manager/pkg/issuer/vault"
_ "github.com/jetstack/cert-manager/pkg/issuer/venafi"
logf "github.com/jetstack/cert-manager/pkg/logs"
"github.com/jetstack/cert-manager/pkg/util"
utilfeature "github.com/jetstack/cert-manager/pkg/util/feature"
)
type CertManagerControllerOptions struct {
ControllerOptions *options.ControllerOptions
}
func NewCertManagerControllerOptions() *CertManagerControllerOptions {
o := &CertManagerControllerOptions{
ControllerOptions: options.NewControllerOptions(),
}
return o
}
// NewCommandStartCertManagerController is a CLI handler for starting cert-manager
func NewCommandStartCertManagerController(stopCh <-chan struct{}) *cobra.Command {
o := NewCertManagerControllerOptions()
cmd := &cobra.Command{
Use: "cert-manager-controller",
Short: fmt.Sprintf("Automated TLS controller for Kubernetes (%s) (%s)", util.AppVersion, util.AppGitCommit),
Long: `
cert-manager is a Kubernetes addon to automate the management and issuance of
TLS certificates from various issuing sources.
It will ensure certificates are valid and up to date periodically, and attempt
to renew certificates at an appropriate time before expiry.`,
RunE: func(cmd *cobra.Command, args []string) error {
if err := o.Validate(args); err != nil {
return fmt.Errorf("error validating options: %s", err)
}
logf.Log.V(logf.InfoLevel).Info("starting controller", "version", util.AppVersion, "git-commit", util.AppGitCommit)
if err := o.RunCertManagerController(stopCh); err != nil {
cmd.SilenceUsage = true // Don't display usage information when exiting because of an error
return err
}
return nil
},
SilenceErrors: true, // Errors are already logged when calling cmd.Execute()
}
flags := cmd.Flags()
o.ControllerOptions.AddFlags(flags)
utilfeature.DefaultMutableFeatureGate.AddFlag(flags)
return cmd
}
func (o CertManagerControllerOptions) Validate(args []string) error {
errors := []error{}
errors = append(errors, o.ControllerOptions.Validate())
return utilerrors.NewAggregate(errors)
}
func (o CertManagerControllerOptions) RunCertManagerController(stopCh <-chan struct{}) error {
return Run(o.ControllerOptions, stopCh)
}