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AWS Private CA Issuer

AWS ACM Private CA is a module of the AWS Certificate Manager that can setup and manage private CAs.

cert-manager is a Kubernetes add-on to automate the management and issuance of TLS certificates from various issuing sources. It will ensure certificates are valid and up to date periodically, and attempt to renew certificates at an appropriate time before expiry.

This project acts as an addon (see to cert-manager that signs off certificate requests using AWS PCA.


Install cert-manager first (

Then install AWS PCA Issuer using Helm:

helm repo add awspca
helm install awspca/aws-pca-issuer --generate-name

You can check the chart configuration in the default values file.


As of now, the only configurable settings are access to AWS. So you can use AWS_REGION, AWS_ACCESS_KEY_ID or AWS_SECRET_ACCESS_KEY.

Access to AWS can also be configured using an EC2 instance role.

A minimal policy to use the issuer with an authority would look like follows:

  "Version": "2012-10-17",
  "Statement": [
      "Sid": "aws-pca-issuer",
      "Action": [
      "Effect": "Allow",
      "Resource": "arn:aws:acm-pca:<region>:<account_id>:certificate-authority/<resource_id>"


This operator provides two custom resources that you can use.

Examples can be found in the examples directory.


This is a regular namespaced issuer that can be used as a reference in your Certificate CRs.


This CR is identical to the AWSPCAIssuer. The only difference being that it's not namespaced and can be referenced from anywhere.

Disable Approval Check

The AWSPCA Issuer will wait for CertificateRequests to have an approved condition set before signing. If using an older version of cert-manager (pre v1.3), you can disable this check by supplying the command line flag -disable-approved-check to the Issuer Deployment.