
Dylan Stephano-Shachter engineered robust monitoring, governance, and security enhancements across several Canonical Kubernetes operator repositories, including canonical/traefik-k8s-operator and canonical/grafana-k8s-operator. He implemented high-availability Grafana deployments with PostgreSQL, introduced service mesh integration for secure traffic management, and standardized alerting with Prometheus. Dylan improved TLS certificate handling and subdomain routing, ensuring compatibility and reducing operational risk. His work included refining code ownership and repository hygiene through CODEOWNERS updates and policy enforcement, leveraging Python, Terraform, and Kubernetes. By focusing on configuration correctness, dependency management, and cross-repo collaboration, Dylan delivered maintainable solutions that improved deployment reliability, security posture, and onboarding efficiency.
January 2026 monthly summary for canonical/grafana-agent-operator: Governance realignment focused on service mesh ownership. Delivered an ownership update by transferring JIRA project key from OBC to SMS and updating CODEOWNERS, reflected in commit 52a39d56595447620b5d0f3c1032a2c903f611ec. This change improves accountability, onboarding, and triage efficiency across the repo.
January 2026 monthly summary for canonical/grafana-agent-operator: Governance realignment focused on service mesh ownership. Delivered an ownership update by transferring JIRA project key from OBC to SMS and updating CODEOWNERS, reflected in commit 52a39d56595447620b5d0f3c1032a2c903f611ec. This change improves accountability, onboarding, and triage efficiency across the repo.
November 2025: Focused on reliability, security, and deployment scalability for the grafana-k8s-operator. Implemented Grafana High Availability with PostgreSQL, deprecated MySQL and Litestream, and updated ingress. Introduced Service Mesh integration with authorization enforcement and model-wide policies. These changes enhance uptime, data integrity, and security posture while simplifying operations in multi-model deployments.
November 2025: Focused on reliability, security, and deployment scalability for the grafana-k8s-operator. Implemented Grafana High Availability with PostgreSQL, deprecated MySQL and Litestream, and updated ingress. Introduced Service Mesh integration with authorization enforcement and model-wide policies. These changes enhance uptime, data integrity, and security posture while simplifying operations in multi-model deployments.
September 2025: Focused on security, reliability, and project data integrity for the Traefik Kubernetes operator. Delivered TLS subdomain routing with a TLS certificates interface upgrade, deprecated the old cert_handler, updated actions.yaml for new endpoints, and strengthened integration tests. Fixed Jira Synchronization project key to ISD to ensure issues are correctly tracked. These changes reduce risk in secure traffic handling, improve CI validation, and enhance cross-team collaboration by ensuring Jira issues align with the correct project.
September 2025: Focused on security, reliability, and project data integrity for the Traefik Kubernetes operator. Delivered TLS subdomain routing with a TLS certificates interface upgrade, deprecated the old cert_handler, updated actions.yaml for new endpoints, and strengthened integration tests. Fixed Jira Synchronization project key to ISD to ensure issues are correctly tracked. These changes reduce risk in secure traffic handling, improve CI validation, and enhance cross-team collaboration by ensuring Jira issues align with the correct project.
Month: 2025-07 | Repository: canonical/traefik-k8s-operator. Focus: stability and reliability of TLS certificate handling and test suite. Delivered a fix for certificate chain validation by introducing split_chain to correctly parse and reorder certificate chains and to preserve backwards compatibility with older versions of the self-signed-certificates library, preventing validation issues. Also removed test cleanup functions that deleted Kubernetes services to reduce flaky tests. Result: more reliable certificate validation across versions and a more robust test suite.
Month: 2025-07 | Repository: canonical/traefik-k8s-operator. Focus: stability and reliability of TLS certificate handling and test suite. Delivered a fix for certificate chain validation by introducing split_chain to correctly parse and reorder certificate chains and to preserve backwards compatibility with older versions of the self-signed-certificates library, preventing validation issues. Also removed test cleanup functions that deleted Kubernetes services to reduce flaky tests. Result: more reliable certificate validation across versions and a more robust test suite.
June 2025 monthly summary focused on governance and ownership clarity within the canonical/mimir-coordinator-k8s-operator repository. Delivered a CODEOWNERS Ownership Update to reflect current ownership and review responsibilities, aligning code ownership with team expertise and review workflows. The change includes adjustment of ownership assignments and review process, improving PR routing and accountability. No other feature work or major bugs were recorded this month for this repository beyond the CODEOWNERS update.
June 2025 monthly summary focused on governance and ownership clarity within the canonical/mimir-coordinator-k8s-operator repository. Delivered a CODEOWNERS Ownership Update to reflect current ownership and review responsibilities, aligning code ownership with team expertise and review workflows. The change includes adjustment of ownership assignments and review process, improving PR routing and accountability. No other feature work or major bugs were recorded this month for this repository beyond the CODEOWNERS update.
March 2025 monthly summary: Two high-impact fixes across canonical/prometheus-k8s-operator and canonical/observability improved reliability, compatibility, and security of the deployment stack. Focused on dependency management and Terraform configuration correctness to prevent breakages and TLS-related issues. The work reduces operational risk and supports smoother upgrades.
March 2025 monthly summary: Two high-impact fixes across canonical/prometheus-k8s-operator and canonical/observability improved reliability, compatibility, and security of the deployment stack. Focused on dependency management and Terraform configuration correctness to prevent breakages and TLS-related issues. The work reduces operational risk and supports smoother upgrades.
February 2025 performance summary for canonical/traefik-k8s-operator and canonical/observability. Key outcomes: clarified ownership and improved repository hygiene; enforced configuration correctness for subdomain routing; established a standardized alerting approach for COS charms. These efforts reduce deployment risk, expedite PR reviews, and improve incident detection and response across the stack. The work was delivered through concrete commits and artifacts: CODEOWNERS and .gitignore updates (bb88e6fcbb7e331c30d4d2c8e00af7d028c1956e, 8451f09b3a880544eb9371b1436fdb410b10edf8), subdomain routing hostname enforcement with unit tests (7dd4373cf7917952fc73ff79660e8c59eda50956), and an Architecture Decision Record for up-alert-rules across COS charms (f8a3d64bdaff372146bd7b789f43c37fb862042b). No major bug fixes were recorded this month; the changes primarily reduce risk and lay groundwork for future improvements. Technologies and skills demonstrated include Git hygiene, policy enforcement, unit testing, ADR documentation, cross-repo collaboration, and monitoring standardization.
February 2025 performance summary for canonical/traefik-k8s-operator and canonical/observability. Key outcomes: clarified ownership and improved repository hygiene; enforced configuration correctness for subdomain routing; established a standardized alerting approach for COS charms. These efforts reduce deployment risk, expedite PR reviews, and improve incident detection and response across the stack. The work was delivered through concrete commits and artifacts: CODEOWNERS and .gitignore updates (bb88e6fcbb7e331c30d4d2c8e00af7d028c1956e, 8451f09b3a880544eb9371b1436fdb410b10edf8), subdomain routing hostname enforcement with unit tests (7dd4373cf7917952fc73ff79660e8c59eda50956), and an Architecture Decision Record for up-alert-rules across COS charms (f8a3d64bdaff372146bd7b789f43c37fb862042b). No major bug fixes were recorded this month; the changes primarily reduce risk and lay groundwork for future improvements. Technologies and skills demonstrated include Git hygiene, policy enforcement, unit testing, ADR documentation, cross-repo collaboration, and monitoring standardization.
November 2024: Focused on stabilizing monitoring accuracy and reducing alert noise in canonical/traefik-k8s-operator. No new user-facing features were released this month; prioritized reliability and correctness of Prometheus alerting in the Traefik operator.
November 2024: Focused on stabilizing monitoring accuracy and reducing alert noise in canonical/traefik-k8s-operator. No new user-facing features were released this month; prioritized reliability and correctness of Prometheus alerting in the Traefik operator.

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