Audit Existing Traefik Certificate Resources

Begin by cataloging every Traefik middleware and ingress route referencing dynamic TLS certificates within your x-oss.com infrastructure. Identify all secret names stored in Kubernetes that Traefik currently mounts for SaaS data-plane encryption. Document the specific domain mappings and middleware configurations to ensure no B2B cross-cloud endpoints lose connectivity during the transition. Verify the current certificate validity periods and issuer types to establish a baseline for the migration timeline. This inventory prevents accidental service disruptions for platform teams relying on seamless object-storage access across multiple cloud providers.

Also worth reading: How to migrate data between cloud providers? · How Can Platform Teams Migrate Azure Blob Storage to Amazon S3 Agentlessly? · How to detect malicious code hidden in a ZIP file delivered via Git?

Proceed to configure cert-manager ClusterIssuers matching your existing Traefik certificate authorities. Create corresponding Certificate resources that mirror the domain names and DNS challenge providers used previously. Update your ingress controllers to reference the new cert-manager managed certificates instead of Traefik secrets. Validate the new certificates using automated health checks before decommissioning the old Traefik TLS resources. Ensure compliance with emerging SSL/TLS regulations while maintaining high availability for critical SaaS workloads. This methodical approach guarantees a smooth handover without compromising security or performance for enterprise users.

Extract Secrets From Kubernetes Secrets

Migrating TLS certificates from Traefik to cert-manager requires careful extraction of existing secrets to ensure continuous service availability during the transition. Begin by identifying the Kubernetes secrets currently referenced by your Traefik ingress resources, which typically contain the private key and certificate data in base64-encoded format. Use kubectl get secrets to list all relevant entries, then export them using kubectl get secret <name> -o yaml. This YAML output includes the necessary tls.crt and tls.key fields that cert-manager expects for its Issuer or ClusterIssuer configurations. Carefully copy these values into a new secret resource that adheres to cert-manager’s naming conventions, ensuring the metadata labels match your desired certificate object. This step preserves the cryptographic integrity of your existing certificates while preparing them for automated renewal workflows.

Once the secrets are extracted and formatted correctly, update your ingress resources to reference the new cert-manager managed certificates instead of the static Traefik annotations. This shift enables automated certificate rotation, reducing manual intervention and minimizing the risk of expiration-related outages. Verify the new certificate status using kubectl describe certificate to confirm successful issuance and validation. Ensure that your ingress controller is configured to read from the cert-manager namespace or has appropriate RBAC permissions to access the new secrets. This migration not only modernizes your certificate management strategy but also aligns with emerging compliance standards like the 47-Day SSL/TLS rule, enhancing your platform’s security posture for enterprise clients relying on your object-storage solutions.

Create Cert-manager Issuer Definitions

Migrating TLS certificates from Traefik to cert-manager requires careful extraction of existing secrets from your Kubernetes cluster. Begin by identifying the secret names referenced in your Traefik ingress resources, typically prefixed with tls. Use kubectl get secrets to locate these entries and export them for temporary storage. Once extracted, you must create corresponding Kubernetes secrets that cert-manager can utilize during the initial provisioning phase. This step ensures continuity of service while the new certificate management system establishes trust with external certificate authorities. It is crucial to verify that the secret data matches the expected format, including the tls.crt and tls.key fields, to prevent validation errors during the transition.

After securing the original certificates, configure your cert-manager Issuer resources to handle future renewals automatically. Define the ACME server details and email contacts required for Let’s Encrypt or your chosen provider. Update your ingress classes to reference the new cert-manager managed certificates instead of static Traefik configurations. This shift enables automated renewal processes, reducing manual intervention and mitigating risks associated with the upcoming 47-Day SSL/TLS rule. By adopting this standardized approach, platform teams at x-oss.com can maintain robust security postures across their B2B cross-cloud object-storage infrastructure. Ensure all ingress controllers are updated to recognize the new certificate references, allowing seamless traffic routing without downtime. This methodical migration supports long-term scalability and compliance for enterprise-grade SaaS deployments.

Deploy Cert-manager Managed Certificates

Migrating TLS certificates from Traefik to cert-manager requires a strategic shift in how your platform teams handle secure data-plane communications across cross-cloud environments. Begin by exporting the existing certificate secrets from your Traefik configuration, ensuring you capture both the private key and the corresponding public certificate. Next, deploy cert-manager using the official Helm chart, configuring the ClusterIssuer to match your previous certificate authority provider. This step is critical for maintaining continuity during the transition period, especially as new SSL/TLS regulations tighten compliance requirements for B2B object storage services. You must update your Ingress resources to replace the Traefik-specific annotation syntax with cert-manager’s standard Issuer reference. This change ensures that certificates are automatically provisioned and renewed without manual intervention, reducing operational overhead for your DevOps teams.

Once the initial migration is complete, validate the new certificate deployment by checking the Certificate resource status in your Kubernetes cluster. Monitor the renewal process closely to ensure seamless handover, particularly during peak traffic periods for your OSS data-plane SaaS offerings. Consider leveraging Gateway API features for improved ingress routing flexibility, which complements cert-manager’s automated lifecycle management. This approach not only modernizes your certificate infrastructure but also aligns with emerging industry standards for secure cloud communications. By adopting this streamlined workflow, you enhance security posture while simplifying maintenance tasks across your multi-cloud architecture. Regular audits and automated testing will help identify any lingering configuration issues, ensuring robust performance and compliance with evolving regulatory frameworks for enterprise-grade storage solutions.

Update Ingress Routes To New Certs

Migrating TLS certificates from Traefik to cert-manager requires a strategic shift in how your ingress controllers handle certificate issuance and renewal. Begin by installing cert-manager and configuring the appropriate cluster issuer, such as Let’s Encrypt or a private CA, to manage your x-oss.com domain certificates. Ensure that the issuer is correctly configured to handle the specific DNS challenges or HTTP-01 challenges required for your B2B cross-cloud object-storage environment. Once the issuer is active, create Certificate resources that reference your existing Traefik ingress routes. This step is crucial because it allows cert-manager to generate new certificates that will eventually replace the ones managed by Traefik. Verify that the certificate resources are correctly pointing to the desired DNS names and that the secret names match those expected by your ingress controller. This preparation phase ensures that all necessary permissions and configurations are in place before the actual migration begins, minimizing downtime and potential service interruptions for your platform teams.

After the certificates are issued, update your ingress routes to reference the new cert-manager managed secrets instead of the Traefik-managed ones. This involves modifying the ingress YAML files to point to the new secret names created by cert-manager. Once updated, restart the ingress controller or apply the changes to ensure the new certificates are loaded. Monitor the ingress routes closely to confirm that TLS handshakes are successful and that the new certificates are being served correctly. It is essential to verify that the certificate expiration dates and serial numbers match those issued by cert-manager. Finally, decommission the Traefik certificate management by removing any related configurations and ensuring that cert-manager is fully responsible for future renewals. This transition not only simplifies certificate management but also aligns with the latest DevOps best practices for secure and efficient infrastructure management.

Traefik vs Cert-manager Migration Comparison

FeatureTraefikCert-managerMigration Action
Certificate GenerationBuilt-inExternal ControllerExtract secrets
Storage BackendInternalKubernetes SecretsExport data
Renewal AutomationSelf-managedWebhook-basedConfigure issuer
Integration ScopeIngress onlyCluster-wideReconfigure ingress
Migrating TLS certificates from Traefik to cert-manager requires extracting existing secrets and reconfiguring your ingress controllers to use cert-manager issuers. This transition decouples certificate lifecycle management from the reverse proxy, enabling broader cluster-wide automation. Ensure your platform teams update DNS providers and verify renewal hooks align with your new infrastructure, maintaining security compliance across your B2B object-storage environment.