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ci: derive the macOS probe from the pinned QEMU filesystem image

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dh
2026-10-03 15:01:00 +02:00
parent 9a91a81992
commit 6b1896660f
2 changed files with 5 additions and 1 deletions
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docs/macos-native-diagnostic.md
+2
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@@ -29,3 +29,5 @@ Evidence is written under the requested output directory: run identity and candi
Every container/image has a random run token in its ownership label. `finally` cleanup and the workflow's `always()` step inspect that exact label before removing the matching container and its anonymous storage volume, then the matching image. They never remove an unrelated name or volume, prune Docker, modify host settings or restart Meeting Assistant. Temporary source files are deleted only when their local marker matches the same token. Evidence remains available after cleanup.
The earlier background-only local bootstrap never obtained DiskManagement readiness. This separate LaunchDaemon probe is still an experiment until the actual remote run produces the required native evidence. Full macOS CI support remains unverified until an installed guest subsequently compiles/signs the native helpers and passes all application tests, including all five native tests without skips.
Remote run 4152 passed Docker access and resource checks but failed before VM startup: the runner's BuildKit could not checksum a dangling `/etc/alternatives/awk.1.gz` link while copying the entire QEMU filesystem. The candidate now derives directly from the same pinned QEMU filesystem image and overwrites its QEMU executable as before. Inspection of that exact digest reports an empty image `Config`, so it adds no inherited environment, user, command or healthcheck. The next actual remote build must verify this compatibility change; it does not claim native readiness.
tools/ci/MacOsNativeDiagnostic.cs
+3 -1
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@@ -184,7 +184,9 @@ static class NativeDiagnostic
var constants = "RECOVERY_ORIGINAL = b'''" + daemon + "'''\nRECOVERY_REPLACEMENT = b'''" + DiagnosticDaemon + "'''.ljust(len(RECOVERY_ORIGINAL), b\" \")";
patch = ReplaceOnce(patch, oldConstants, constants);
var dockerPath = Path.Combine(source, "Dockerfile");
var dockerfile = ReplaceOnce(File.ReadAllText(dockerPath), "--from=qemux/qemu:7.50 ", "--from=qemux/qemu:7.50@sha256:e7f6fda52503a546fd649670ba46e4bc23dc6dcef275bc3fac48877fbbc430df ");
// The existing runner's BuildKit cannot checksum dangling manpage links during COPY /.
// This pinned filesystem image has an empty Config; FROM preserves the same runtime defaults.
var dockerfile = ReplaceOnce(File.ReadAllText(dockerPath), "FROM scratch AS base\nCOPY --from=qemux/qemu:7.50 --exclude=usr/bin/qemu-system-x86_64 / /\n", "FROM qemux/qemu:7.50@sha256:e7f6fda52503a546fd649670ba46e4bc23dc6dcef275bc3fac48877fbbc430df AS base\n");
dockerfile = ReplaceAllExact(dockerfile, "--from=qemux/qemu-macos:latest ", "--from=qemux/qemu-macos:latest@sha256:af64297171228f27d5f616249e18f6ad5e2fbc79c1cc517252521e8bcd8eadaa ", 2);
var entryPath = Path.Combine(source, "src/entry.sh");
var entry = ReplaceOnce(File.ReadAllText(entryPath), "set -Eeuo pipefail\n", "set -Eeuo pipefail\n\n# Diagnostic budget: inspect existing Docker storage before Recovery download/boot.\ndf -Pk /storage\nfree_kib=$(df -Pk /storage | awk 'NR==2 {print $4}')\n[[ \"$free_kib\" =~ ^[0-9]+$ ]] && (( free_kib >= 8 * 1024 * 1024 )) || { echo 'Existing Docker storage has less than the 8-GiB diagnostic budget.' >&2; exit 1; }\n");