more prep before moving to device farm#72429
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Set OS_ACTIVITY_MODE=disable and OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES on Darwin at the top of runner.rb, before any require can initialize libsystem_trace or the ObjC runtime. Without this, Parallel.map's in_processes workers crash on macOS in libsystem_trace _os_log_preferences_refresh during their first AWS S3 log upload. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
create_mobile_session now also returns the picked Aws::DeviceFarm::Types::Device, so connect.rb can identify the provisioned device alongside the existing visual-log line in the cucumber HTML output. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Mirror the runner's $options.device_farm and $options.force_db_access flags into the haml render context, and emit them in the rerun command only when set. Also switch the rerun-command construction to a flag array so non-Eyes builds no longer have a double-space artifact. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Switch the Aws::DeviceFarm::Client to retry_mode: 'adaptive' with retry_limit: 10 to absorb ThrottlingException bursts when many forked workers call create_test_grid_url near-simultaneously under high --parallel desktop runs. The token bucket is per-process post-fork, so this is per-worker absorption rather than cross-worker coordination. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
During the SauceLabs-to-Device-Farm migration we run both providers concurrently on the chef-managed test machine, where they collide on shared per-feature output filenames (Chrome_<feature>_output.html, the matching .rerun file, and the same-key S3 uploads). Append _df to the test_run_identifier when --device-farm is set, mirroring the existing _eyes pattern, and teach test_status.js to read a new haml-emitted hidden input so each provider's status page only matches its own keys. To remove once we settle on a single provider per browser, the change is the inverse of these three edits. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
A run with --parallel 50 still hit Aws::DeviceFarm::Errors::ThrottlingException on CreateTestGridUrl ~78s into the suite, where the existing 10-retry budget (worst-case ~150s of full-jitter backoff capped at 20s/attempt) isn't enough to ride out a multi-minute sustained throttle. 20 retries extends the worst-case window to ~350s without otherwise changing the retry policy. A separate AWS support ticket has been filed to raise the per-account TPS limit on CreateTestGridUrl. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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