srl-labs/containerlab
Nov 2025 – Feb 2026
3 Months active
Languages Used
GoRobot FrameworkYAML
Technical Skills
AnsibleContainerizationDockerGoGo programmingNetwork Configuration
Sergio Chavez
PROFILE
Sergio Chavez
Sergio Chavez contributed to srl-labs/containerlab by developing and refining features that enhance SR-SIM’s configuration management, deployment reliability, and version handling. He implemented a variant-based configuration system in Go, simplifying Nokia SRSIM workflows and reducing duplication while maintaining compatibility. Sergio introduced automated container image labeling using YAML and Go, enabling accurate version retrieval and streamlining deployment pipelines. He also improved CLI usability and performance by restructuring configuration templates and optimizing SSH key handling. His work demonstrated strong skills in backend development, containerization, and testing automation, delivering maintainable solutions that addressed misconfiguration risks and improved the overall reliability of network simulation environments.
Overall Statistics
Feature vs Bugs
83%Features
Repository Contributions
6Total
Bugs
1
Commits
6
Features
5
Lines of code
5,007
Activity Months3
Your Network
87 peopleSame Organization
@nokia.com27
Work History
February 2026
2 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for srl-labs/containerlab. Delivered Nokia SRSIM Configuration Management Simplification with a variant-based flow and restructured configuration sources to improve maintainability. Implemented image-type validation for node kind to prevent misconfigurations and enhance reliability. All changes preserved topology and runtime compatibility while reducing configuration duplication and deployment risk. Demonstrated strong templating, modularization, and validation capabilities with clear traceability to commits.
2 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for srl-labs/containerlab. Delivered Nokia SRSIM Configuration Management Simplification with a variant-based flow and restructured configuration sources to improve maintainability. Implemented image-type validation for node kind to prevent misconfigurations and enhance reliability. All changes preserved topology and runtime compatibility while reducing configuration duplication and deployment risk. Demonstrated strong templating, modularization, and validation capabilities with clear traceability to commits.
February 2026
December 2025
1 Commits • 1 Features
Dec 1, 2025December 2025: Key feature delivered in srl-labs/containerlab to enable reliable, automated version retrieval for SR-SIM container images beyond 25.10.R1. Implemented image labeling (title, vendor, version) to improve accuracy, reduce manual lookups, and accelerate deployment pipelines. This enhances image governance and deployment reliability. No major bugs fixed this month; changes were reviewed, tested, and integrated, with collaboration acknowledged in the commit.
December 2025
1 Commits • 1 Features
Dec 1, 2025December 2025: Key feature delivered in srl-labs/containerlab to enable reliable, automated version retrieval for SR-SIM container images beyond 25.10.R1. Implemented image labeling (title, vendor, version) to improve accuracy, reduce manual lookups, and accelerate deployment pipelines. This enhances image governance and deployment reliability. No major bugs fixed this month; changes were reviewed, tested, and integrated, with collaboration acknowledged in the commit.
November 2025
3 Commits • 3 Features
Nov 1, 2025November 2025 monthly summary for srl-labs/containerlab focusing on SR-SIM deliverables. This period delivered concrete features and stability improvements that enhance multi-version SR OS support, CLI usability, and run-time performance, driving business value through improved deployment reliability, faster issue resolution, and cleaner code.
3 Commits • 3 Features
Nov 1, 2025November 2025 monthly summary for srl-labs/containerlab focusing on SR-SIM deliverables. This period delivered concrete features and stability improvements that enhance multi-version SR OS support, CLI usability, and run-time performance, driving business value through improved deployment reliability, faster issue resolution, and cleaner code.
November 2025
Activity
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Quality Metrics
Correctness93.4%
Maintainability86.6%
Architecture86.6%
Performance86.6%
AI Usage36.6%
Skills & Technologies
Programming Languages
GoRobot FrameworkYAML
Technical Skills
AnsibleContainerizationDevOpsDockerGoGo programmingNetwork Configurationbackend developmentconfiguration managementcontainerizationnetwork simulationtestingtesting automation
Repositories Contributed To
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