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Yandex Cloud DNS ACME webhook

Usage

Setup Kubernetes

You can use Yandex Cloud Managed Service for Kubernetes or another Kubernetes service
Install cert-manager
Install helm

Install webhook

git clone https://github.com/yandex-cloud/cert-manager-webhook-yandex.git
helm install -n cert-manager yandex-webhook ./deploy/cert-manager-webhook-yandex

Create the AccessKey Secret

Obtain iam key json file

yc iam key create iamkey \
 --service-account-id=<your service account ID> 
 --format=json \
 --output=iamkey.json

Note that service account needs permissions to create and delete records at your zone

Create secret:

kubectl create secret generic cert-manager-secret --from-file=iamkey.json -n cert-manager

Create Issuer or ClusterIssuer

Create an Issuer or ClusterIssuer with webhook with next parameters

solverName: yandex-cloud-dns
groupName: acme.cloud.yandex.com

Issuer example:

apiVersion: cert-manager.io/v1
kind: Issuer
metadata:
  name: issuer
  namespace: default
spec:
  acme:
    # You must replace this email address with your own.
    # Let's Encrypt will use this to contact you about expiring
    # certificates, and issues related to your account.
    email: [email protected]
    server: https://acme-staging-v02.api.letsencrypt.org/directory
    privateKeySecretRef:
      # Secret resource that will be used to store the account's private key.
      name: secret-ref
    solvers:
      - dns01:
          webhook:
            config:
              # The ID of the folder where dns-zone located in
              folder: <your folder ID>
              # This is the secret used to access the service account
              serviceAccountSecretRef:
                name: cert-manager-secret
                key: iamkey.json
            groupName: acme.cloud.yandex.com
            solverName: yandex-cloud-dns

ClusterIssuer example:

apiVersion: cert-manager.io/v1
kind: ClusterIssuer
metadata:
  name: clusterissuer
  namespace: default
spec:
  acme:
    # You must replace this email address with your own.
    # Let's Encrypt will use this to contact you about expiring
    # certificates, and issues related to your account.
    email: [email protected]
    server: https://acme-staging-v02.api.letsencrypt.org/directory
    privateKeySecretRef:
      # Secret resource that will be used to store the account's private key.
      name: secret-ref
    solvers:
      - dns01:
          webhook:
            config:
              # The ID of the folder where dns-zone located in
              folder: <your folder ID>
              # This is the secret used to access the service account
              serviceAccountSecretRef:
                name: cert-manager-secret
                key: iamkey.json
            groupName: acme.cloud.yandex.com
            solverName: yandex-cloud-dns

Create Certificate

Create Certificate

Certificate with Issuer example:

apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: example-com
  namespace: default
spec:
  secretName: example-com-secret
  issuerRef:
    # The issuer created previously
    name: issuer
    kind: Issuer
  dnsNames:
    - example.com

Certificate with ClusterIssuer example:

apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: example-com
  namespace: default
spec:
  secretName: example-com-secret
  issuerRef:
    # The issuer created previously
    name: clusterissuer
    kind: ClusterIssuer
  dnsNames:
    - example.com