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init.go
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/*
Copyright 2020 The Kubernetes 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 scaffolds
import (
"fmt"
"io/ioutil"
"path/filepath"
"sigs.k8s.io/kubebuilder/pkg/model"
"sigs.k8s.io/kubebuilder/pkg/model/config"
"sigs.k8s.io/kubebuilder/pkg/plugin/internal/machinery"
"sigs.k8s.io/kubebuilder/pkg/plugin/scaffold"
"sigs.k8s.io/kubebuilder/pkg/plugin/v3/scaffolds/internal/templates"
"sigs.k8s.io/kubebuilder/pkg/plugin/v3/scaffolds/internal/templates/config/certmanager"
"sigs.k8s.io/kubebuilder/pkg/plugin/v3/scaffolds/internal/templates/config/hack"
"sigs.k8s.io/kubebuilder/pkg/plugin/v3/scaffolds/internal/templates/config/kdefault"
"sigs.k8s.io/kubebuilder/pkg/plugin/v3/scaffolds/internal/templates/config/manager"
"sigs.k8s.io/kubebuilder/pkg/plugin/v3/scaffolds/internal/templates/config/prometheus"
"sigs.k8s.io/kubebuilder/pkg/plugin/v3/scaffolds/internal/templates/config/rbac"
"sigs.k8s.io/kubebuilder/pkg/plugin/v3/scaffolds/internal/templates/config/webhook"
)
const (
// ControllerRuntimeVersion is the kubernetes-sigs/controller-runtime version to be used in the project
ControllerRuntimeVersion = "v0.6.2"
// ControllerToolsVersion is the kubernetes-sigs/controller-tools version to be used in the project
ControllerToolsVersion = "v0.3.0"
// KustomizeVersion is the kubernetes-sigs/kustomize version to be used in the project
KustomizeVersion = "v3.5.4"
// todo: update the tag release when the next version of the project be released with this script
// ControllerRuntimeEnvTestVersion version to be used to download the envtest setup script
ControllerRuntimeEnvTestVersion = "master"
imageName = "controller:latest"
)
var _ scaffold.Scaffolder = &initScaffolder{}
type initScaffolder struct {
config *config.Config
boilerplatePath string
license string
owner string
}
// NewInitScaffolder returns a new Scaffolder for project initialization operations
func NewInitScaffolder(config *config.Config, license, owner string) scaffold.Scaffolder {
return &initScaffolder{
config: config,
boilerplatePath: filepath.Join("hack", "boilerplate.go.txt"),
license: license,
owner: owner,
}
}
func (s *initScaffolder) newUniverse(boilerplate string) *model.Universe {
return model.NewUniverse(
model.WithConfig(s.config),
model.WithBoilerplate(boilerplate),
)
}
// Scaffold implements Scaffolder
func (s *initScaffolder) Scaffold() error {
fmt.Println("Writing scaffold for you to edit...")
return s.scaffold()
}
// TODO: re-use universe created by s.newUniverse() if possible.
func (s *initScaffolder) scaffold() error {
bpFile := &hack.Boilerplate{}
bpFile.Path = s.boilerplatePath
bpFile.License = s.license
bpFile.Owner = s.owner
if err := machinery.NewScaffold().Execute(
s.newUniverse(""),
bpFile,
); err != nil {
return err
}
boilerplate, err := ioutil.ReadFile(s.boilerplatePath) //nolint:gosec
if err != nil {
return err
}
return machinery.NewScaffold().Execute(
s.newUniverse(string(boilerplate)),
&templates.GitIgnore{},
&rbac.AuthProxyRole{},
&rbac.AuthProxyRoleBinding{},
&kdefault.AuthProxyPatch{},
&rbac.AuthProxyService{},
&rbac.ClientClusterRole{},
&manager.Config{Image: imageName},
&templates.Main{},
&templates.GoMod{ControllerRuntimeVersion: ControllerRuntimeVersion},
&templates.Makefile{
Image: imageName,
BoilerplatePath: s.boilerplatePath,
ControllerToolsVersion: ControllerToolsVersion,
KustomizeVersion: KustomizeVersion,
ControllerRuntimeEnvTestVersion: ControllerRuntimeEnvTestVersion,
},
&templates.Dockerfile{},
&templates.DockerignoreFile{},
&kdefault.Kustomize{},
&kdefault.ManagerWebhookPatch{},
&rbac.ManagerRoleBinding{},
&rbac.LeaderElectionRole{},
&rbac.LeaderElectionRoleBinding{},
&rbac.KustomizeRBAC{},
&manager.Kustomization{},
&webhook.Kustomization{},
&webhook.KustomizeConfigWebhook{},
&webhook.Service{},
&kdefault.InjectCAPatch{},
&prometheus.Kustomization{},
&prometheus.ServiceMonitor{},
&certmanager.CertManager{},
&certmanager.Kustomization{},
&certmanager.KustomizeConfig{},
)
}