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An Long

PROFILE

An Long

Over twelve months, contributed to os-autoinst/os-autoinst-distri-opensuse by building and refining automated test infrastructure for Linux filesystem and storage validation. Developed features such as YAML-based test scheduling, dynamic remote blacklist loading, and zoned device support for Btrfs, while addressing reliability through targeted bug fixes and architecture-aware installation logic. Leveraged Bash, Perl, and YAML to implement automation, CI/CD integration, and backend-specific workflows, enhancing test coverage and reducing setup fragility. Improvements included metadata capture for diagnostics, unattended installation configuration, and conditional test orchestration, resulting in more stable, maintainable, and scalable system testing pipelines across diverse hardware and operating system environments.

Overall Statistics

Feature vs Bugs

65%Features

Repository Contributions

18Total
Bugs
6
Commits
18
Features
11
Lines of code
280
Activity Months12

Work History

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026 – os-autoinst/os-autoinst-distri-opensuse: Added dynamic remote test blacklist loading for XFSTESTS_BLACKLIST. If XFSTESTS_BLACKLIST is set to a valid HTTP/HTTPS URL, the blacklist is fetched at runtime, enabling centralized, up-to-date test exclusions and reducing flaky tests across distributions. Implemented via a single commit that reads the blacklist from a file and converts URL values to the XFSTESTS_BLACKLIST source when the URL starts with http/https. This drives improved stability and faster CI feedback loops. No explicit bug fixes were recorded this month; the improvements are primarily stability and maintainability gains. Commit: 52c7fdc29d68114b67da79d06de83bd0e1ccb7ff.

January 2026

1 Commits • 1 Features

Jan 1, 2026

Month: 2026-01 — Key deliverables focused on expanding test automation and scheduling capabilities for filesystem tests in the os-autoinst/os-autoinst-distri-opensuse repository. Highlights include adding YAML-based scheduling for xfstests to the KOTD workflow, enabling configuration-driven test orchestration and improved reproducibility.

November 2025

1 Commits • 1 Features

Nov 1, 2025

In November 2025, delivered a new Btrfs zoned devices testing scenario for the os-autoinst/opensuse-jobgroups repository, expanding xfstests coverage for zoned-storage configurations. Implemented a dedicated zoned-device test module (xfstests_btrfs-zoned_device) and wired it to run across all tests on zoned devices. This work enhances CI validation, enabling earlier detection of storage-related issues and increasing reliability for openSUSE job groups.

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025 focused on expanding test coverage for zoned storage in Btrfs within os-autoinst/os-autoinst-distri-opensuse. Delivered zoned device testing support in xfstests via a new script and framework updates, enabling creation of zoned devices with null_blk and the XFSTESTS_ZONE_DEVICE variable. Updated documentation to reflect new configuration. This work enhances test realism, CI reliability, and reduces risk for deployments using zoned storage.

July 2025

2 Commits • 2 Features

Jul 1, 2025

July 2025 monthly summary for os-autoinst/os-autoinst-distri-opensuse focusing on test automation improvements and scheduler refinements in support of backend-specific workflows.

June 2025

2 Commits • 2 Features

Jun 1, 2025

June 2025: Implemented two Xfstests improvements in os-autoinst-distri-opensuse that enhance diagnostics and PPC64le testing: (1) a metadata capture mechanism that packages diagnostic dumps as a tarball on filesystem check failures, replacing the old btrfs-specific dumps; (2) PPC64le QEMU-specific test sequencing with conditional loading to ensure correct test execution order. These changes improve failure analysis speed, increase test reliability for PPC64le environments, and accelerate CI throughput.

April 2025

1 Commits

Apr 1, 2025

For 2025-04, delivered an architecture- and OS-version-aware fix in os-autoinst/os-autoinst-distri-opensuse to skip XFSTESTS installation on s390 and ppc64 architectures for SLE16, accompanied by documentation clarifications on XFSTESTS and XFSTESTS_INSTALL behavior. This work ensures installation logic respects OS version and architecture, improving test reliability and reducing unnecessary CI activity. The change is tracked with a focused commit and aligns with ongoing cross-arch support efforts.

March 2025

1 Commits

Mar 1, 2025

2025-03 Monthly Summary for os-autoinst/os-autoinst-distri-opensuse focused on improving reliability of test result retrieval in the automated test suite. Implemented explicit failure signaling when the log file is missing, ensuring accurate CI results and faster diagnosis of issues related to test result retrieval. The change is tied to a targeted fix in the distros opensuse test workflow, with clear traceability to the commit referenced below.

February 2025

3 Commits • 1 Features

Feb 1, 2025

February 2025 (2025-02) monthly summary for os-autoinst/os-autoinst-distri-opensuse. Focused on stabilizing XFSTests and enabling unattended installations to accelerate automated deployments. Key features delivered and critical fixes improved automation reliability, enabling scalable CI and deployment workflows. Key features delivered: - Unattended Installations Configuration: added a new config file enabling ext4 for root and XFS for home, with credentials and storage drive definitions to support automated deployments. Commit 4ab064234e24dc575c4e775d6cc096ab9ac6c5d4. Major bugs fixed: - XFSTests Reliability Improvements: skip firewalld setup on SLE16; fix timeout issue in no heartbeat mode. Commits c677757151e483510cf67ac84de13a9f0086f415; 6a1429e42204281eebf24235998ca6ee9c306618. Overall impact and accomplishments: - Increased test stability and automation coverage, reducing flaky runs and enabling repeatable deployments. Supports scalable enterprise testing and automated deployments through standardized filesystem layouts. Technologies/skills demonstrated: - Linux test automation, XFSTests tuning, unattended installation configuration, filesystem layouts (ext4, XFS), CI reliability improvements, commit hygiene and traceability.

January 2025

2 Commits • 1 Features

Jan 1, 2025

January 2025 monthly summary for os-autoinst/os-autoinst-distri-opensuse focused on reliability improvements and environment readiness for xfstests. Delivered two targeted changes to improve test stability and setup: - SUSE Linux Enterprise Micro boot wait enhancement (ppc64le) in xfstests to reduce flaky boot-time failures. - Added SLE16 dependency repository for xfstests installation to ensure required packages are available on SLE16 systems. These changes support more stable test results on ppc64le hardware and streamline test environment provisioning for SLE16 deployments, improving overall test cycle efficiency and reliability.

December 2024

2 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for os-autoinst/os-autoinst-distri-opensuse: Focused on PPC support, test automation, and stability improvements. Delivered a PowerPC xfstest test suite configuration for SLE-Micro and fixed xfstests installation failures on MicroOS for ppc64le, with integration into the existing workflow. Result: expanded test coverage, reduced setup friction, and faster feedback for PPC-related changes.

November 2024

1 Commits

Nov 1, 2024

November 2024 performance highlights for os-autoinst/os-autoinst-distri-opensuse focused on reliability and test provisioning for MicroOS. Delivered a targeted bug fix to the xfstests installation script to correctly handle additional dependency packages on MicroOS by installing packages beyond the initial two with the --replacefiles flag, increasing reliability of environment setup and CI readiness for MicroOS tests. The change reduces setup fragility, enhances test coverage reliability, and accelerates feedback to development teams.

Activity

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Quality Metrics

Correctness85.6%
Maintainability85.6%
Architecture82.2%
Performance74.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashPerlYAMLjsonnet

Technical Skills

AutomationBackend DevelopmentBtrfsBuild EngineeringCI/CDConfiguration ManagementDebuggingDevOpsEmbedded SystemsLinuxLinux kernelOperating System ConfigurationPackage ManagementPerl scriptingScripting

Repositories Contributed To

2 repos

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

os-autoinst/os-autoinst-distri-opensuse

Nov 2024 Mar 2026
11 Months active

Languages Used

PerlYAMLjsonnetBash

Technical Skills

ScriptingSystem AdministrationBuild EngineeringConfiguration ManagementTest AutomationTesting

os-autoinst/opensuse-jobgroups

Nov 2025 Nov 2025
1 Month active

Languages Used

YAML

Technical Skills

DevOpssystem administrationtesting