mirror of
https://github.com/helm/charts.git
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121 lines
3.7 KiB
YAML
121 lines
3.7 KiB
YAML
{{- $cn := printf "%s.%s.svc" ( include "opa.fullname" . ) .Release.Namespace }}
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{{- $ca := genCA "opa-admission-ca" 3650 -}}
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{{- $cert := genSignedCert $cn nil nil 3650 $ca -}}
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kind: {{ .Values.admissionControllerKind }}
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apiVersion: admissionregistration.k8s.io/v1beta1
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metadata:
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name: {{ template "opa.fullname" . }}
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annotations:
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{{- if .Values.certManager.enabled }}
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certmanager.k8s.io/inject-ca-from: {{ printf "%s/%s" .Release.Namespace (include "opa.rootCACertificate" .) | quote }}
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cert-manager.io/inject-ca-from: {{ printf "%s/%s" .Release.Namespace (include "opa.rootCACertificate" .) | quote }}
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{{- end }}
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labels:
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{{ include "opa.labels.standard" . | indent 4 }}
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webhooks:
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- name: webhook.openpolicyagent.org
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{{- with .Values.admissionControllerNamespaceSelector }}
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namespaceSelector:
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{{ toYaml . | indent 6 }}
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{{ end }}
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failurePolicy: {{ .Values.admissionControllerFailurePolicy }}
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rules:
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{{ toYaml .Values.admissionControllerRules | indent 6 }}
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clientConfig:
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{{ if not .Values.certManager.enabled }}
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{{ if .Values.generateAdmissionControllerCerts }}
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caBundle: {{ b64enc $ca.Cert }}
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{{ else }}
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caBundle: {{ b64enc .Values.admissionControllerCA }}
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{{ end }}
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{{ end }}
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service:
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name: {{ template "opa.fullname" . }}
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namespace: {{ .Release.Namespace }}
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sideEffects: {{ .Values.admissionControllerSideEffect }}
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{{ if .Values.timeoutSeconds }}
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timeoutSeconds: {{ .Values.timeoutSeconds }}
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{{ end }}
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{{ if .Values.certManager.enabled }}
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---
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# Create a selfsigned Issuer, in order to create a root CA certificate for
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# signing webhook serving certificates
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apiVersion: {{ include "opa.certManagerApiVersion" . }}
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kind: Issuer
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metadata:
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name: {{ include "opa.selfSignedIssuer" . }}
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labels:
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{{ include "opa.labels.standard" . | indent 4 }}
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spec:
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selfSigned: {}
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---
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# Generate a CA Certificate used to sign certificates for the webhook
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apiVersion: {{ include "opa.certManagerApiVersion" . }}
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kind: Certificate
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metadata:
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name: {{ include "opa.rootCACertificate" . }}
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labels:
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{{ include "opa.labels.standard" . | indent 4 }}
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spec:
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secretName: {{ include "opa.rootCACertificate" . }}
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duration: 43800h # 5y
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issuerRef:
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name: {{ include "opa.selfSignedIssuer" . }}
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commonName: "ca.webhook.opa"
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isCA: true
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---
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# Create an Issuer that uses the above generated CA certificate to issue certs
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apiVersion: {{ include "opa.certManagerApiVersion" . }}
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kind: Issuer
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metadata:
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name: {{ include "opa.rootCAIssuer" . }}
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labels:
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{{ include "opa.labels.standard" . | indent 4 }}
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spec:
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ca:
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secretName: {{ include "opa.rootCACertificate" . }}
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---
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# Finally, generate a serving certificate for the webhook to use
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apiVersion: {{ include "opa.certManagerApiVersion" . }}
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kind: Certificate
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metadata:
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name: {{ include "opa.servingCertificate" . }}
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labels:
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{{ include "opa.labels.standard" . | indent 4 }}
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spec:
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secretName: {{ template "opa.fullname" . }}-cert
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duration: 8760h # 1y
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issuerRef:
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name: {{ include "opa.rootCAIssuer" . }}
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dnsNames:
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- {{ include "opa.fullname" . }}
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- {{ include "opa.fullname" . }}.{{ .Release.Namespace }}
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- {{ include "opa.fullname" . }}.{{ .Release.Namespace }}.svc
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{{ end }}
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{{- if not .Values.certManager.enabled }}
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---
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apiVersion: v1
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kind: Secret
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metadata:
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name: {{ template "opa.fullname" . }}-cert
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labels:
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app: {{ template "opa.fullname" . }}
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chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
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release: "{{ .Release.Name }}"
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heritage: "{{ .Release.Service }}"
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type: Opaque
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data:
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{{ if .Values.generateAdmissionControllerCerts }}
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tls.crt: {{ b64enc $cert.Cert }}
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tls.key: {{ b64enc $cert.Key }}
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{{ else }}
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tls.crt: {{ b64enc .Values.admissionControllerCert }}
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tls.key: {{ b64enc .Values.admissionControllerKey }}
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{{ end }}
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{{ end }}
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