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operator.go
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/
operator.go
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/*
SPDX-FileCopyrightText: 2023 SAP SE or an SAP affiliate company and cert-manager-cop contributors
SPDX-License-Identifier: Apache-2.0
*/
package operator
import (
"embed"
"flag"
"github.com/pkg/errors"
"k8s.io/apimachinery/pkg/runtime"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/sap/component-operator-runtime/pkg/component"
"github.com/sap/component-operator-runtime/pkg/operator"
operatorv1alpha1 "github.com/sap/cert-manager-cop/api/v1alpha1"
"github.com/sap/cert-manager-cop/internal/generator"
)
const Name = "cert-manager-cop.cs.sap.com"
//go:embed all:data
var data embed.FS
type Options struct {
Name string
FlagPrefix string
}
type Operator struct {
options Options
}
var defaultOperator operator.Operator = New()
func GetName() string {
return defaultOperator.GetName()
}
func InitScheme(scheme *runtime.Scheme) {
defaultOperator.InitScheme(scheme)
}
func InitFlags(flagset *flag.FlagSet) {
defaultOperator.InitFlags(flagset)
}
func ValidateFlags() error {
return defaultOperator.ValidateFlags()
}
func GetUncacheableTypes() []client.Object {
return defaultOperator.GetUncacheableTypes()
}
func Setup(mgr ctrl.Manager) error {
return defaultOperator.Setup(mgr)
}
func New() *Operator {
return NewWithOptions(Options{})
}
func NewWithOptions(options Options) *Operator {
operator := &Operator{options: options}
if operator.options.Name == "" {
operator.options.Name = Name
}
return operator
}
func (o *Operator) GetName() string {
return o.options.Name
}
func (o *Operator) InitScheme(scheme *runtime.Scheme) {
utilruntime.Must(operatorv1alpha1.AddToScheme(scheme))
}
func (o *Operator) InitFlags(flagset *flag.FlagSet) {
}
func (o *Operator) ValidateFlags() error {
return nil
}
func (o *Operator) GetUncacheableTypes() []client.Object {
return []client.Object{&operatorv1alpha1.CertManager{}}
}
func (o *Operator) Setup(mgr ctrl.Manager) error {
resourceGenerator, err := generator.NewResourceGenerator(
data,
"data/charts/cert-manager",
mgr.GetClient(),
)
if err != nil {
return errors.Wrap(err, "error initializing resource generator")
}
if err := component.NewReconciler[*operatorv1alpha1.CertManager](
o.options.Name,
resourceGenerator,
component.ReconcilerOptions{},
).SetupWithManager(mgr); err != nil {
return errors.Wrapf(err, "unable to create controller")
}
return nil
}