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project.go
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project.go
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/*
Copyright 2019 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 scaffold
import (
"bufio"
"fmt"
"os"
"os/exec"
"strings"
"sigs.k8s.io/kubebuilder/cmd/util"
"sigs.k8s.io/kubebuilder/pkg/model"
"sigs.k8s.io/kubebuilder/pkg/scaffold/input"
"sigs.k8s.io/kubebuilder/pkg/scaffold/project"
scaffoldv1 "sigs.k8s.io/kubebuilder/pkg/scaffold/v1"
"sigs.k8s.io/kubebuilder/pkg/scaffold/v1/manager"
metricsauthv1 "sigs.k8s.io/kubebuilder/pkg/scaffold/v1/metricsauth"
scaffoldv2 "sigs.k8s.io/kubebuilder/pkg/scaffold/v2"
"sigs.k8s.io/kubebuilder/pkg/scaffold/v2/certmanager"
managerv2 "sigs.k8s.io/kubebuilder/pkg/scaffold/v2/manager"
metricsauthv2 "sigs.k8s.io/kubebuilder/pkg/scaffold/v2/metricsauth"
"sigs.k8s.io/kubebuilder/pkg/scaffold/v2/prometheus"
"sigs.k8s.io/kubebuilder/pkg/scaffold/v2/webhook"
)
const (
// controller runtime version to be used in the project
controllerRuntimeVersion = "v0.4.0"
// ControllerTools version to be used in the project
controllerToolsVersion = "v0.2.4"
)
type ProjectScaffolder interface {
EnsureDependencies() (bool, error)
Scaffold() error
Validate() error
}
type V1Project struct {
Project project.Project
Boilerplate project.Boilerplate
DepArgs []string
DefinitelyEnsure *bool
}
func (p *V1Project) Validate() error {
_, err := exec.LookPath("dep")
if err != nil {
return fmt.Errorf("dep is not installed (%v). Follow steps at: https://golang.github.io/dep/docs/installation.html", err)
}
return nil
}
func (p *V1Project) EnsureDependencies() (bool, error) {
if p.DefinitelyEnsure == nil {
reader := bufio.NewReader(os.Stdin)
fmt.Println("Run `dep ensure` to fetch dependencies (Recommended) [y/n]?")
if !util.Yesno(reader) {
return false, nil
}
} else if !*p.DefinitelyEnsure {
return false, nil
}
c := exec.Command("dep", "ensure") // #nosec
c.Args = append(c.Args, p.DepArgs...)
c.Stderr = os.Stderr
c.Stdout = os.Stdout
fmt.Println(strings.Join(c.Args, " "))
return true, c.Run()
}
func (p *V1Project) buildUniverse() *model.Universe {
return &model.Universe{}
}
func (p *V1Project) Scaffold() error {
p.Project.Version = project.Version1
s := &Scaffold{
BoilerplateOptional: true,
ProjectOptional: true,
}
projectInput, err := p.Project.GetInput()
if err != nil {
return err
}
bpInput, err := p.Boilerplate.GetInput()
if err != nil {
return err
}
err = s.Execute(
p.buildUniverse(),
input.Options{ProjectPath: projectInput.Path, BoilerplatePath: bpInput.Path},
&p.Project,
&p.Boilerplate,
)
if err != nil {
return err
}
// default controller manager image name
imgName := "controller:latest"
s = &Scaffold{}
return s.Execute(
p.buildUniverse(),
input.Options{ProjectPath: projectInput.Path, BoilerplatePath: bpInput.Path},
&project.GitIgnore{},
&project.KustomizeRBAC{},
&scaffoldv1.KustomizeImagePatch{},
&metricsauthv1.KustomizePrometheusMetricsPatch{},
&metricsauthv1.KustomizeAuthProxyPatch{},
&scaffoldv1.AuthProxyService{},
&project.AuthProxyRole{},
&project.AuthProxyRoleBinding{},
&manager.Config{Image: imgName},
&project.Makefile{Image: imgName},
&project.GopkgToml{},
&manager.Dockerfile{},
&project.Kustomize{},
&project.KustomizeManager{},
&manager.APIs{},
&manager.Controller{},
&manager.Webhook{},
&manager.Cmd{})
}
type V2Project struct {
Project project.Project
Boilerplate project.Boilerplate
}
func (p *V2Project) Validate() error {
return nil
}
func (p *V2Project) EnsureDependencies() (bool, error) {
// ensure that we are pinning controller-runtime version
// xref: https://github.com/kubernetes-sigs/kubebuilder/issues/997
c := exec.Command("go", "get", "sigs.k8s.io/controller-runtime@"+controllerRuntimeVersion) // #nosec
c.Stderr = os.Stderr
c.Stdout = os.Stdout
fmt.Println(strings.Join(c.Args, " "))
err := c.Run()
if err != nil {
return false, err
}
c = exec.Command("go", "mod", "tidy") // #nosec
c.Stderr = os.Stderr
c.Stdout = os.Stdout
fmt.Println(strings.Join(c.Args, " "))
err = c.Run()
if err != nil {
return false, err
}
return true, err
}
func (p *V2Project) buildUniverse() *model.Universe {
return &model.Universe{}
}
func (p *V2Project) Scaffold() error {
p.Project.Version = project.Version2
s := &Scaffold{
BoilerplateOptional: true,
ProjectOptional: true,
}
projectInput, err := p.Project.GetInput()
if err != nil {
return err
}
bpInput, err := p.Boilerplate.GetInput()
if err != nil {
return err
}
err = s.Execute(
p.buildUniverse(),
input.Options{ProjectPath: projectInput.Path, BoilerplatePath: bpInput.Path},
&p.Project,
&p.Boilerplate,
)
if err != nil {
return err
}
// default controller manager image name
imgName := "controller:latest"
s = &Scaffold{}
return s.Execute(
p.buildUniverse(),
input.Options{ProjectPath: projectInput.Path, BoilerplatePath: bpInput.Path},
&project.GitIgnore{},
&metricsauthv2.KustomizeAuthProxyPatch{},
&scaffoldv2.AuthProxyService{},
&project.AuthProxyRole{},
&project.AuthProxyRoleBinding{},
&managerv2.Config{Image: imgName},
&scaffoldv2.Main{},
&scaffoldv2.GoMod{ControllerRuntimeVersion: controllerRuntimeVersion},
&scaffoldv2.Makefile{Image: imgName, ControllerToolsVersion: controllerToolsVersion},
&scaffoldv2.Dockerfile{},
&scaffoldv2.Kustomize{},
&scaffoldv2.ManagerWebhookPatch{},
&scaffoldv2.ManagerRoleBinding{},
&scaffoldv2.LeaderElectionRole{},
&scaffoldv2.LeaderElectionRoleBinding{},
&scaffoldv2.KustomizeRBAC{},
&managerv2.Kustomization{},
&webhook.Kustomization{},
&webhook.KustomizeConfigWebhook{},
&webhook.Service{},
&webhook.InjectCAPatch{},
&prometheus.Kustomization{},
&prometheus.PrometheusServiceMonitor{},
&certmanager.CertManager{},
&certmanager.Kustomization{},
&certmanager.KustomizeConfig{})
}