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kustomization.go
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kustomization.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 kdefault
import (
"path/filepath"
"sigs.k8s.io/kubebuilder/v3/pkg/machinery"
)
var _ machinery.Template = &Kustomization{}
// Kustomization scaffolds a file that defines the kustomization scheme for the default overlay folder
type Kustomization struct {
machinery.TemplateMixin
machinery.ProjectNameMixin
machinery.ComponentConfigMixin
}
// SetTemplateDefaults implements file.Template
func (f *Kustomization) SetTemplateDefaults() error {
if f.Path == "" {
f.Path = filepath.Join("config", "default", "kustomization.yaml")
}
f.TemplateBody = kustomizeTemplate
f.IfExistsAction = machinery.Error
return nil
}
const kustomizeTemplate = `# Adds namespace to all resources.
namespace: {{ .ProjectName }}-system
# Value of this field is prepended to the
# names of all resources, e.g. a deployment named
# "wordpress" becomes "alices-wordpress".
# Note that it should also match with the prefix (text before '-') of the namespace
# field above.
namePrefix: {{ .ProjectName }}-
# Labels to add to all resources and selectors.
#labels:
#- includeSelectors: true
# pairs:
# someName: someValue
resources:
- ../crd
- ../rbac
- ../manager
# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
# crd/kustomization.yaml
#- ../webhook
# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. 'WEBHOOK' components are required.
#- ../certmanager
# [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'.
#- ../prometheus
patchesStrategicMerge:
# Protect the /metrics endpoint by putting it behind auth.
# If you want your controller-manager to expose the /metrics
# endpoint w/o any authn/z, please comment the following line.
- manager_auth_proxy_patch.yaml
{{ if .ComponentConfig }}
# Mount the controller config file for loading manager configurations
# through a ComponentConfig type
- manager_config_patch.yaml{{ end }}
# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
# crd/kustomization.yaml
#- manager_webhook_patch.yaml
# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'.
# Uncomment 'CERTMANAGER' sections in crd/kustomization.yaml to enable the CA injection in the admission webhooks.
# 'CERTMANAGER' needs to be enabled to use ca injection
#- webhookcainjection_patch.yaml
# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER' prefix.
# Uncomment the following replacements to add the cert-manager CA injection annotations
#replacements:
# - source: # Add cert-manager annotation to ValidatingWebhookConfiguration, MutatingWebhookConfiguration and CRDs
# kind: Certificate
# group: cert-manager.io
# version: v1
# name: serving-cert # this name should match the one in certificate.yaml
# fieldPath: .metadata.namespace # namespace of the certificate CR
# targets:
# - select:
# kind: ValidatingWebhookConfiguration
# fieldPaths:
# - .metadata.annotations.[cert-manager.io/inject-ca-from]
# options:
# delimiter: '/'
# index: 0
# create: true
# - select:
# kind: MutatingWebhookConfiguration
# fieldPaths:
# - .metadata.annotations.[cert-manager.io/inject-ca-from]
# options:
# delimiter: '/'
# index: 0
# create: true
# - select:
# kind: CustomResourceDefinition
# fieldPaths:
# - .metadata.annotations.[cert-manager.io/inject-ca-from]
# options:
# delimiter: '/'
# index: 0
# create: true
# - source:
# kind: Certificate
# group: cert-manager.io
# version: v1
# name: serving-cert # this name should match the one in certificate.yaml
# fieldPath: .metadata.name
# targets:
# - select:
# kind: ValidatingWebhookConfiguration
# fieldPaths:
# - .metadata.annotations.[cert-manager.io/inject-ca-from]
# options:
# delimiter: '/'
# index: 1
# create: true
# - select:
# kind: MutatingWebhookConfiguration
# fieldPaths:
# - .metadata.annotations.[cert-manager.io/inject-ca-from]
# options:
# delimiter: '/'
# index: 1
# create: true
# - select:
# kind: CustomResourceDefinition
# fieldPaths:
# - .metadata.annotations.[cert-manager.io/inject-ca-from]
# options:
# delimiter: '/'
# index: 1
# create: true
# - source: # Add cert-manager annotation to the webhook Service
# kind: Service
# version: v1
# name: webhook-service
# fieldPath: .metadata.name # namespace of the service
# targets:
# - select:
# kind: Certificate
# group: cert-manager.io
# version: v1
# fieldPaths:
# - .spec.dnsNames.0
# - .spec.dnsNames.1
# options:
# delimiter: '.'
# index: 0
# create: true
# - source:
# kind: Service
# version: v1
# name: webhook-service
# fieldPath: .metadata.namespace # namespace of the service
# targets:
# - select:
# kind: Certificate
# group: cert-manager.io
# version: v1
# fieldPaths:
# - .spec.dnsNames.0
# - .spec.dnsNames.1
# options:
# delimiter: '.'
# index: 1
# create: true
`