Seal a secret from file

Encrypt a Kubernetes Secret YAML into a SealedSecret

kubeseal --format=yaml < secret.yaml > sealed-secret.yaml
tool
sealed-secrets11 commands
tags
sealed-secretssecurity

More sealed-secrets commands

  • Seal from stdin with scope
    kubectl create secret generic mysecret --dry-run=client --from-literal=token=abc123 -o yaml | kubeseal --scope cluster-wide -o yaml

    Create and seal a secret in cluster-wide scope

  • Fetch public certificate
    kubeseal --fetch-cert --controller-name=sealed-secrets --controller-namespace=kube-system > pub.pem

    Save the sealing certificate for offline encryption

  • Seal offline with cert
    kubeseal --cert pub.pem --format yaml < secret.yaml > sealed.yaml

    Encrypt without cluster access using saved cert

  • Check sealed-secrets controller logs
    kubectl logs -n kube-system -l app.kubernetes.io/name=sealed-secrets -f

    Stream controller logs to debug sealing issues

  • List all SealedSecrets
    kubectl get sealedsecrets -A

    Show all SealedSecrets across namespaces

all 11 sealed-secrets commands