Inspect issued secret contents

Decode the tls.crt and show issuer, SANs, validity without manual openssl x509 piping

cmctl inspect secret <name> -n <ns>

More cert-manager commands

DNS01 Route53 ClusterIssuer

kubectl apply -f - <<EOF apiVersion: cert-manager.io/v1 kind: ClusterIssuer metadata: name: letsencrypt-dns spec: acme: server: https://acme-v02.api.letsencrypt.org/directory privateKeySecretRef: name: letsencrypt-dns solvers: - dns01: route53: region: us-east-1 hostedZoneID: <id> EOF

DNS01 issuer for wildcard certs; IRSA/secret must grant route53 change-record perms
Stuck ACME challenges

kubectl get challenges -A -o wide && kubectl describe challenge -n <ns> <name>

List pending validations and read the propagation/self-check error blocking issuance
Install cert-manager via Helm

helm install cert-manager jetstack/cert-manager --namespace cert-manager --create-namespace --set installCRDs=true

Install cert-manager with CRDs into its own namespace
Check cert-manager pods

kubectl get pods -n cert-manager

Verify all cert-manager components are running
List certificates

kubectl get certificates -A

List all Certificate resources across namespaces