Key points
Numendo supported OCSIN in migrating its GitLab instance to an enterprise version with the implementation of GitLab Geo, overseeing the initial assessment, cross-team coordination, and operational project management. A high-stakes mission aimed at improving DevOps collaboration and ensuring tool resilience within the Canton of Geneva.
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senior DevOps expert deployed within OCSIN teams for scoping and execution
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migration to GitLab Enterprise and deployment of the GitLab Geo architecture (multi-site replication and resilience) completed zero downtime
context
The Canton of Geneva’s Cantonal Information and Digital Systems Office (OCSIN) manages all digital infrastructures for the Canton. To modernize and optimize its collaborative tools, OCSIN sought to migrate its GitLab instance to an enterprise version while deploying GitLab Geo to enable multi-site replication and enhanced service resilience for development and infrastructure teams.
Numendo was brought in to reinforce internal teams on this strategic project, providing DevOps expertise and operational support at every stage.
Numendo was brought in to reinforce internal teams on this strategic project, providing DevOps expertise and operational support at every stage.
intervention :
Executing a seamless gitlab migration
Numendo deployed a senior DevOps profile directly within OCSIN teams. Their role was central to technical coordination and implementation:
• Assessment: Conducting a full audit of existing infrastructure and GitLab usage across dev and infra teams.
• Technical Recommendations: Providing technical guidelines for the GitLab Enterprise migration and Geo replication setup.
• Migration Plan: Executing a secure migration plan, including network management, backups, upgrade testing, and compatibility checks with existing tools.
• Team Coordination: Facilitating cross-team collaboration through role assignment, schedule management, documentation, and progress tracking.
• Functional Testing: Performing functional tests on critical modules, notably for the Gina API managed by the infrastructure team.
• Assessment: Conducting a full audit of existing infrastructure and GitLab usage across dev and infra teams.
• Technical Recommendations: Providing technical guidelines for the GitLab Enterprise migration and Geo replication setup.
• Migration Plan: Executing a secure migration plan, including network management, backups, upgrade testing, and compatibility checks with existing tools.
• Team Coordination: Facilitating cross-team collaboration through role assignment, schedule management, documentation, and progress tracking.
• Functional Testing: Performing functional tests on critical modules, notably for the Gina API managed by the infrastructure team.
results
The GitLab migration was executed successfully with zero downtime, delivering new features provided by the enterprise edition aligned with business needs. The integration of GitLab Geo strengthened system robustness and performance while providing better service continuity for internal users.
Numendo’s intervention also fostered cross-team collaboration around GitLab, establishing sustainable DevOps practices across all cantonal services.
Numendo’s intervention also fostered cross-team collaboration around GitLab, establishing sustainable DevOps practices across all cantonal services.
