webhook-freedns/deploy/example-webhook/templates/pki.yaml
James Munnelly 2c01592255 Use cert-manager to secure APIService resource
Signed-off-by: James Munnelly <james@munnelly.eu>
2019-04-29 18:09:16 +01:00

77 lines
2.4 KiB
YAML

---
# Create a selfsigned Issuer, in order to create a root CA certificate for
# signing webhook serving certificates
apiVersion: certmanager.k8s.io/v1alpha1
kind: Issuer
metadata:
name: {{ include "example-webhook.selfSignedIssuer" . }}
namespace: {{ .Release.Namespace | quote }}
labels:
app: {{ include "example-webhook.name" . }}
chart: {{ include "example-webhook.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
selfSigned: {}
---
# Generate a CA Certificate used to sign certificates for the webhook
apiVersion: certmanager.k8s.io/v1alpha1
kind: Certificate
metadata:
name: {{ include "example-webhook.rootCACertificate" . }}
namespace: {{ .Release.Namespace | quote }}
labels:
app: {{ include "example-webhook.name" . }}
chart: {{ include "example-webhook.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
secretName: {{ include "example-webhook.rootCACertificate" . }}
duration: 43800h # 5y
issuerRef:
name: {{ include "example-webhook.selfSignedIssuer" . }}
commonName: "ca.example-webhook.cert-manager"
isCA: true
---
# Create an Issuer that uses the above generated CA certificate to issue certs
apiVersion: certmanager.k8s.io/v1alpha1
kind: Issuer
metadata:
name: {{ include "example-webhook.rootCAIssuer" . }}
namespace: {{ .Release.Namespace | quote }}
labels:
app: {{ include "example-webhook.name" . }}
chart: {{ include "example-webhook.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
ca:
secretName: {{ include "example-webhook.rootCACertificate" . }}
---
# Finally, generate a serving certificate for the webhook to use
apiVersion: certmanager.k8s.io/v1alpha1
kind: Certificate
metadata:
name: {{ include "example-webhook.servingCertificate" . }}
namespace: {{ .Release.Namespace | quote }}
labels:
app: {{ include "example-webhook.name" . }}
chart: {{ include "example-webhook.chart" . }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
secretName: {{ include "example-webhook.servingCertificate" . }}
duration: 8760h # 1y
issuerRef:
name: {{ include "example-webhook.rootCAIssuer" . }}
dnsNames:
- {{ include "example-webhook.fullname" . }}
- {{ include "example-webhook.fullname" . }}.{{ .Release.Namespace }}
- {{ include "example-webhook.fullname" . }}.{{ .Release.Namespace }}.svc