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Alvaro Carvajal

PROFILE

Alvaro Carvajal

Over 18 months, contributed to os-autoinst/os-autoinst-distri-opensuse by engineering robust automation and testing solutions for high availability, SAP, and cluster management scenarios. Developed and maintained features such as dynamic iSCSI provisioning, SELinux-aware SAP HANA installations, and cross-architecture HA test frameworks, leveraging Perl, Python, and Shell scripting. Enhanced CI reliability by refining PXE/iPXE boot workflows, implementing log collection pipelines, and modernizing configuration management with YAML and JSONnet. Addressed system-level challenges including concurrency control, network configuration, and regression testing, resulting in improved test coverage, faster feedback cycles, and more dependable deployments across diverse SLES and openSUSE environments.

Overall Statistics

Feature vs Bugs

61%Features

Repository Contributions

68Total
Bugs
16
Commits
68
Features
25
Lines of code
3,125
Activity Months18

Work History

May 2026

7 Commits • 3 Features

May 1, 2026

May 2026 monthly summary: Enhanced test observability, reliability, and cross‑platform stability across OpenQA and openSUSE tests. Delivered: (1) IPA results now include detailed logs visible in both Details and External Results tabs; (2) SAPtune MR tests improved failure visibility with red issue boxes, inclusion of failure logs in JSON results, log-quoting to prevent shell errors, and expanded ReaR log collection; (3) Cross‑platform stability enhancements via NetWeaver test synchronization updates (csync2 replaced by crm cluster copy) and a boot-from-ISO workaround for ppc64le; (4) Removal of obsolete SAP note 1410736 from the test library. Impact: faster debugging, fewer flaky tests, and more consistent artifacts across SLE/SLES; Skills: OpenQA, IPA parser, JSON asset/report uploads, enhanced logging practices, cross‑platform testing, and test library maintenance.

April 2026

4 Commits • 3 Features

Apr 1, 2026

April 2026 monthly overview for os-autoinst/os-autoinst-distri-opensuse focusing on delivering robust command execution visibility, test resilience, and updated fencing/resource naming. The work supports SLES 16.1 readiness and improves overall reliability and maintainability.

March 2026

3 Commits • 1 Features

Mar 1, 2026

Monthly summary for 2026-03: Developer focused on stabilizing beta-mode handling in job processing and improving cluster file synchronization across OS versions, delivering robust improvements for SLES 16+ environments and migration workflows.

February 2026

4 Commits • 1 Features

Feb 1, 2026

February 2026 (2026-02) monthly summary for os-autoinst/os-autoinst-distri-opensuse. Key features delivered: - iSCSI Compatibility and IPv6 Enhancements: Added 15-SP7 compatibility for listing iSCSI targets and enabled IPv6 support for iSCSI servers in the HA setup. Replaced the old listing command with iscsi::lio_show_iqn() to ensure compatibility across SPs, and updated IPv6-aware logic in ha/setup_hosts_and_luns. Commits ec31732b80c2f1d77b06cd177b93da8fffdaac34; 708c7854fad251d8f557cd6d2291af250455c298. Major bugs fixed: - Regression Test Reliability for pacemaker-cts: Improved hostname resolution on the System Under Test and corrected return value reporting for CTS commands to avoid false negatives. Commits ec690d6972a5964895f10c938336b8b36aa3ada3; 5afb2fe6fce14ddb746effe9acad5201ae43dc52. Overall impact and accomplishments: - Increased CI stability and test reliability for IPv6-enabled iSCSI workflows and pacemaker-cts, accelerating validation for 15-SP7 environments, while enabling a measured decommissioning path from 12-SP3. Technologies/skills demonstrated: - Perl-based test modules and sockets (getaddrinfo, getnameinfo), IPv6-first resolution patterns, test automation reliability improvements, and CTS regression techniques in pacemaker-cts.

January 2026

2 Commits • 1 Features

Jan 1, 2026

January 2026 monthly summary for os-autoinst/os-autoinst-distri-opensuse: Implemented boot workflow enhancements and stability improvements that extend test coverage and reliability for SLES SAP bare-metal and NVDIMM scenarios. Key outcomes: 1) PXE/iPXE boot support for SLES SAP baremetal by replacing boot_from_pxe with installation/bootloader_start and conditional boot path selection based on IPXE=1 or PXE=1. 2) NVDIMM iPXE detection and management console reconnection stabilization by refining detection to require both ipmi-nvdimm and region-nue, and updating reconnection logic to cope with missing menus during reboots. These changes reduce flaky tests, accelerate CI feedback, and broaden hardware coverage. Skills demonstrated: bootloader/workflow customization, iPXE/PXE integration, regex-based detection, and resilient test harness engineering.

December 2025

4 Commits • 2 Features

Dec 1, 2025

December 2025 — Os-autoinst/os-autoinst-distri-opensuse SAP testing: delivered targeted SAP-focused test framework enhancements on SLES. Key features include HANA installation optimization on SLES for SAP 16.0 by skipping semanage commands when selinux-policy-sapenablement is installed, and recording SELinux status before and after each test module to support auditing and security posture (commit 6264d07c39b62a9d4df78eda0ede20e45e3268fa). Major bugs fixed: resolved a race condition in pre_run_hook and reverted an erroneous sestatus addition that caused failures when no console was available; fixed by always running sestatus from the serial terminal (commits 835d9a4683c0486372a83d7497322297baf8f99e and 00c8b82098b60361551d7d9cd5e58e4c0d0fd555). Framework enhancements: record sestatus during tests and update console handling by replacing deprecated testapi::selected_console with testapi::current_console and removing prev_console (commit faf94b4f0ba44a4a96073cd2491768a920ab8ebb). Overall impact: faster, more reliable SAP test runs, improved security visibility, and cleaner, future-proof test code. Technologies/skills demonstrated: SAP/HANA testing on SLES, SELinux/semanage, pre_run_hook orchestration, testapi/current_console usage, console management, and test framework refactoring.

November 2025

2 Commits • 2 Features

Nov 1, 2025

Month: 2025-11 Repository: os-autoinst/os-autoinst-distri-opensuse Concise monthly summary focused on business value and technical achievements. Key features delivered: - On-demand iSCSI LUN provisioning for non-QEMU tests: Introduce on-demand creation of iSCSI LUNs to flexibly allocate storage resources during testing for non-QEMU jobs, reducing wait times and increasing test throughput. Commit: 6b02317c4391374e1a19710b92221fcc16957d78 - Unified pvm_cluster scheduling to include maintenance tests: Extend scheduling to conditionally include qa_automation/patch_and_reboot test module for maintenance jobs, enabling unified scheduling for both non-maintenance and maintenance jobs and improving test management efficiency. Commit: e9b612a3ec2edb477f0db8ad386461f1e6c24a24 Major bugs fixed: - None reported this month. Overall impact and accomplishments: - Reduced test wait times and increased throughput for non-QEMU tests via on-demand LUN provisioning. - Unified scheduling across maintenance and non-maintenance jobs, simplifying test management and reducing operational overhead. - Demonstrated ability to extend existing schedules with minimal changes, improving deployment agility. Technologies/skills demonstrated: - iSCSI LUN provisioning, on-demand resource allocation, NFS-backed coordination, HA/iscsi_client_setup integration - Test automation workflows, YAML-based scheduling, maintenance/test workflow integration Business value: - Faster feedback loops for hardware/resource-related tests, improved resource utilization, and lower maintenance burden for test orchestration.

October 2025

1 Commits • 1 Features

Oct 1, 2025

Concise monthly summary for 2025-10 focusing on features delivered, bugs fixed, and impact. The work centered on enhancing post-install debugging for HANA installations in the os-autoinst/os-autoinst-distri-opensuse repository. Delivered a Comprehensive Log Tarball that packages the entire installation log directory to improve debugging capabilities and root-cause analysis in CSP tests. This feature strengthens the log collection pipeline, complements existing uploads, and reduces time-to-diagnose installation issues.

September 2025

3 Commits

Sep 1, 2025

September 2025: Delivered stability and reliability improvements in the OpenQA tests for os-autoinst-distri-opensuse. Key features delivered include (1) extended shutdown timeout to reduce intermittent shutdown failures, (2) stabilization of GRUB-related tests by disabling GRUB timeout during installation, and (3) a new iSCSI initiator uniqueness validation to prevent duplicate initiator names across installations. Implemented via three commits: TIMEOUT_SCALE tuning for clusters on pvm_hmc; GRUB timeout adjustment for SAP 16.0 tests on pvm_hmc; and a new iSCSI initiator test module (ha/check_iscsi_initiator) with cross-link to TEAM-10542. Overall impact: improved test reliability and CI stability, reduced flaky tests, and mitigated a risk of storage misconfiguration. Technologies/skills demonstrated: test automation (OpenQA), cluster timeout tuning, installer/test flow customization (GRUB, SLES/SAP), iSCSI configuration validation, and cross-repo coordination with issue trackers.

August 2025

3 Commits • 2 Features

Aug 1, 2025

Month 2025-08 focused on delivering robust HA and SAP-related testing enhancements for the os-autoinst/os-autoinst-distri-opensuse repository. Key work included enabling SELinux AVC collection in High Availability tests on SLE 16+ to improve debugging/monitoring, with integration through a base test class and active SELinux alert capture to boost observability. SAP/SLES 16 SAP environment testing was adapted by updating the saptune/mr_test module to support the new header format, multi-line commands, and alignment with SAP notes and pre-configured solutions relevant to SLES 16. A related test refinement added support for Promoted/Unpromoted handling in the drbd_passive test module, addressing edge cases and improving reliability. Overall, these efforts increased test coverage for critical deployment scenarios, reduced debugging time, and strengthened confidence in HA and SAP deployments on SUSE/open-source stacks.

June 2025

3 Commits • 2 Features

Jun 1, 2025

June 2025 — os-autoinst/os-autoinst-distri-opensuse Key features delivered - SELinux AVC alert reporting integrated into post-run hooks for HA and SAP test modules; enabled by default for SLE 16+ to improve visibility and debugging of SELinux-related issues. (commit 30e1f5ef9174569b3b40a9c9480eea5819480eca) - Test framework improvements: updated QNetd test to accept both Master/Slave and Promoted/Unpromoted terminology; disabled GRUB timeout by configuring bootloader stopOnBootMenu in JSONnet; added boot_to_desktop test module to the SLES+HA schedule to stabilize boot. (commits 3304ae4d6d271fab795a3031a9db25b24c630c2d, 74a14a5de8d1b745b20a44f99b5c39a691bbdc02) Major bugs fixed - Resolved boot-time flakiness by disabling GRUB timeout on SLES SAP and SLES+HA qcow2 images, improving automated boot reliability. (commit 74a14a5de8d1b745b20a44f99b5c39a691bbdc02) - Improved terminology compatibility in QNetd tests to prevent regressions stemming from legacy Master/Slave nomenclature. (commit 3304ae4d6d271fab795a3031a9db25b24c630c2d) Overall impact and accomplishments - Enhanced observability into SELinux failures with AVC reporting, reducing debugging time and enabling faster triage. - More stable boot sequences in SAP/SLE-HA environments, supporting higher CI throughput and reliability for deployments. - Strengthened test framework with terminology alignment and boot configuration improvements, aiding long-term maintenance and collaboration. Technologies/skills demonstrated - SELinux debugging and post-run reporting - JSONnet-based boot configuration and stopOnBootMenu usage - Test framework extension and QA automation for HA/SAP contexts - Backward-compatible terminology handling in test modules Month: 2025-06

May 2025

8 Commits • 2 Features

May 1, 2025

May 2025: Delivered significant reliability and compatibility improvements for os-autoinst-distri-opensuse. Key features included HA barrier synchronization hardening to eliminate race conditions, SAP HANA SELinux support for SAP on SLES 16, dynamic network interface naming to accommodate newer SLES versions, and targeted fixes to iSCSI/SBD identification in cluster tests. Also implemented ASE/NetWeaver compatibility workarounds on SLE16 and centralized SELinux handling to reduce test duplication. These changes reduce flaky tests, improve install reliability, and extend platform support, delivering tangible business value through faster CI feedback and more dependable deployments.

April 2025

11 Commits • 2 Features

Apr 1, 2025

Month: 2025-04 — Focused on hardening and expanding High Availability (HA) capabilities for os-autoinst/os-autoinst-distri-opensuse, with emphasis on test reliability, cross-architecture support, and data safety. Key work includes modernization of the HA testing infrastructure and configuration standardization, iSCSI persistence fixes, and JSONnet-based HA addon configurations across architectures.

March 2025

8 Commits • 1 Features

Mar 1, 2025

March 2025 was focused on delivering robust SLES+HA testing capabilities and SAP deployment support, along with stabilizing the CI surface by removing non-essential modules and hardening registration checks. Key work spanned enhancements to the SLES+HA testing framework, extended back-end installation support (svirt/pvm_hmc), SAP deployment configurations, NetWeaver cluster scheduling for pvm_hmc, and enabling SSH root-login for HA tests via Agama JSONnet. A bug fix to SUSE Connect registration detection ensures case-insensitive matching, reducing false negatives. The work improved cross-backend coverage (svirt, pvm_hmc, qemu) and created a more reliable automation path for SAP deployments on SLES+HA.

February 2025

1 Commits

Feb 1, 2025

February 2025: Stabilized log collection in newer SLE environments by suppressing YaST log uploads on SLE 16+. Implemented a conditional bypass for upload_y2logs, preventing errors when YaST is unavailable. The change is committed to os-autoinst/os-autoinst-distri-opensuse (11a31f9bc3393deaeb4257aecb27ff27d8a92563).

January 2025

1 Commits • 1 Features

Jan 1, 2025

January 2025 monthly summary for os-autoinst/os-autoinst-distri-opensuse. Focused on expanding cluster_md test coverage by enabling GFS2/OCFS2/XFS with dynamic default filesystem type selection and manual override, improving CI validation for clustered filesystem configurations. Key commit landed: 302f178e7d9339680be2035222ef865c348296d8 (Add a test for cluster_md with gfs2). Business value: reduces risk of configuration regressions, increases test coverage across SLES variants, and demonstrates proficiency in test framework, packaging, and filesystem automation.

November 2024

2 Commits • 1 Features

Nov 1, 2024

Month: 2024-11 — os-autoinst/os-autoinst-distri-opensuse: concise monthly summary focusing on business value and technical achievements. Key items delivered: - PXE Boot: FORCE_INSTALL_FROM_MIRROR_HTTP feature to force installation from MIRROR_HTTP URL, overriding local mirror preferences to ensure reliable installation of specific product builds. - Test stabilization for sles4sap/wizard_hana_install: Refactored test flow by moving wait_still_screen to the start of the main loop to improve stability on multi-disk systems and prevent disk selection dialog issues after sap-product-installation.

October 2024

1 Commits

Oct 1, 2024

October 2024 monthly summary for os-autoinst/os-autoinst-distri-opensuse. Focused on improving cluster robustness and correct node selection; fixed pre-validation path by ensuring wait_for_cluster is invoked on cluster nodes and added an early exit for non-cluster scenarios to prevent incorrect node selection. These changes enhance reliability of cluster tests and reduce risk of misconfiguration in deployment workflows.

Activity

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Quality Metrics

Correctness90.4%
Maintainability86.8%
Architecture85.2%
Performance81.2%
AI Usage20.8%

Skills & Technologies

Programming Languages

JSONnetJsonnetPerlPythonShellYAMLbashjsonnetyaml

Technical Skills

AutomationAutomation TestingCI/CDCloud InfrastructureCluster ConfigurationCluster ManagementConcurrency ControlConfiguration ManagementDevOpsHigh AvailabilityHigh Availability (HA)High Availability TestingInfrastructure as CodeLinuxLinux Administration

Repositories Contributed To

2 repos

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

os-autoinst/os-autoinst-distri-opensuse

Oct 2024 May 2026
18 Months active

Languages Used

PerlPythonYAMLbashjsonnetJSONnetShellJsonnet

Technical Skills

Cloud InfrastructureSystem AdministrationTestingConfiguration ManagementPXE BootSystem Testing

os-autoinst/openQA

May 2026 May 2026
1 Month active

Languages Used

Perl

Technical Skills

Perlback end development