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Doug Szumski

PROFILE

Doug Szumski

Worked on the stackhpc/stackhpc-kayobe-config and stackhpc-release-train repositories, delivering features and stability improvements across cloud infrastructure and networking. Developed a foundational Dell SONiC switch driver to automate provisioning in Arcus environments, and integrated the Ironic repository to support hardware lifecycle management. Addressed reliability by fixing the Octavia health worker infinite loop and refreshing image tags to ensure stable deployments. Enhanced monitoring by resolving RabbitMQ dashboard calculation issues. Leveraged skills in Ansible, Terraform, and configuration management, using YAML and JSON to implement infrastructure as code, containerization, and CI/CD workflows that improved deployment traceability and operational consistency.

Overall Statistics

Feature vs Bugs

60%Features

Repository Contributions

5Total
Bugs
2
Commits
5
Features
3
Lines of code
42
Activity Months5

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

In May 2026, delivered the Ironic Repository Integration for the stackhpc-release-train, establishing foundational configurations and governance to support hardware lifecycle management and upcoming release pipelines.

April 2026

1 Commits • 1 Features

Apr 1, 2026

Monthly summary for 2026-04 focusing on key accomplishments, including feature delivery and stability improvements in stackhpc-kayobe-config. Implemented a fresh Octavia image tag build to replace previously updated but now unavailable images, reducing deployment risk and ensuring compatibility with the latest configurations. This work enhances reliability of Octavia-backed load balancer deployments and improves CI/CD artifact stability.

February 2026

1 Commits

Feb 1, 2026

February 2026: Focused on reliability and upstream alignment for stackhpc-kayobe-config. Delivered a critical bug fix to the Octavia health worker that prevents an infinite loop, and updated Octavia images to include upstream bug fixes, improving stability across environments. No new features deployed this month; the primary value comes from stabilizing the health-check loop and ensuring consistent, reproducible images for downstream deployments.

November 2025

1 Commits • 1 Features

Nov 1, 2025

November 2025 monthly summary: Delivered foundational Dell SONiC Switch Driver for Arcus networking within stackhpc/stackhpc-kayobe-config. The basic driver enables automated provisioning for Dell SONiC switches in Arcus environments, establishing a foundation for future expansion. Key commit 3d45a0a16982149f97beff88d2462b7bc194ef15 implements the driver, with a cross-repo patch reference: Patch: https://github.com/stackhpc/networking-generic-switch/pull/136. Release notes were prepared; images were rebuilt for unrelated reasons.

June 2025

1 Commits

Jun 1, 2025

June 2025 monthly summary for stackhpc/stackhpc-kayobe-config focused on reliability and accuracy of the RabbitMQ metrics dashboard. Delivered a targeted fix to ensure the Messages Delivered Delivery Rate is correctly calculated and displayed, resolving the empty panel issue under default settings; included a minor dashboard title adjustment for clarity. The change was committed as 54738a7175676e2fdce8d0580c300add198443ed and validated in the RMQ dashboard suite.

Activity

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Quality Metrics

Correctness96.0%
Maintainability92.0%
Architecture88.0%
Performance88.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JSONYAMLyaml

Technical Skills

AnsibleCloud InfrastructureConfiguration ManagementContainerizationDevOpsInfrastructure as CodeMonitoringTerraformdriver developmentnetworking

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

stackhpc/stackhpc-kayobe-config

Jun 2025 Apr 2026
4 Months active

Languages Used

yamlYAML

Technical Skills

DevOpsMonitoringdriver developmentnetworkingCloud InfrastructureConfiguration Management

stackhpc/stackhpc-release-train

May 2026 May 2026
1 Month active

Languages Used

JSONYAML

Technical Skills

AnsibleDevOpsInfrastructure as CodeTerraform