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Diamantis Sellis

PROFILE

Diamantis Sellis

Diamantis Sellis developed automation and security workflows for the Cosmo-Tech/terraform-kubernetes-cosmotech-tenant repository, focusing on infrastructure as code and CI/CD reliability. He integrated a dedicated Keycloak automation testing client into the Terraform module, enabling automated end-to-end tests with service account management, realm role provisioning, and security hardening. Diamantis also established integration tests and a GitHub Actions workflow to automate Keycloak testing and maintain configuration integrity. In a separate feature, he implemented automated SBOM generation and dependency tracking using Syft and Dependency-Track, enhancing supply chain visibility. His work leveraged Terraform, YAML, and GitHub Actions to improve testability and compliance.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

10Total
Bugs
0
Commits
10
Features
3
Lines of code
213
Activity Months2

Work History

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025: Delivered automated SBOM generation and dependency tracking workflow for Cosmo-Tech/terraform-kubernetes-cosmotech-tenant, enabling proactive security and compliance visibility with reduced manual effort. The feature introduces a GitHub Actions workflow that initializes Terraform, installs Syft, scans the Terraform lockfile for SBOMs, and uploads the resulting SBOM to Dependency-Track. This enhances supply‑chain governance and traceability across Terraform modules.

July 2025

9 Commits • 2 Features

Jul 1, 2025

July 2025, Cosmo-Tech/terraform-kubernetes-cosmotech-tenant: Delivered two major automation capabilities that drive faster, safer tenant provisioning and testing. Keycloak automation testing client integration in Terraform enables automated end-to-end tests with a dedicated service account (full scope), realm roles embedded in access tokens, and admin privileges, plus an optional deployment toggle and security hardening. Added integration tests for realm and client provisioning to validate end-to-end flows. CI/CD automation tests workflow established with a new GitHub Actions workflow to run Keycloak automation tests on branch pushes, including safeguards and configuration revert to maintain intended behavior. Minor fixes from reviews implemented (naming convention alignment, hiding secrets from logs). Overall, these changes improve test reliability, security posture, and the speed and consistency of tenant provisioning in CI/CD.

Activity

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Quality Metrics

Correctness92.0%
Maintainability94.0%
Architecture92.0%
Performance88.0%
AI Usage26.0%

Skills & Technologies

Programming Languages

HCLShellTerraformYAML

Technical Skills

CI/CDDependency ScanningDevOpsDockerGitHub ActionsInfrastructure as CodeIntegration TestingKeycloakSBOM GenerationSecurityTerraform

Repositories Contributed To

1 repo

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

Cosmo-Tech/terraform-kubernetes-cosmotech-tenant

Jul 2025 Sep 2025
2 Months active

Languages Used

HCLShellTerraformYAML

Technical Skills

CI/CDDevOpsDockerGitHub ActionsInfrastructure as CodeIntegration Testing

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