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The Windows integration test scripts tore down their device-mapper snapshot and loop devices with 'dmsetup remove_all -f' and 'losetup -D'. Both operate on every such device on the host, not just the ones the script created. On a host whose root filesystem is device-mapper backed (for example an LVM root), 'dmsetup remove_all -f' replaces the in-use root device's table with an error target. The host is wedged until reboot. This is harmless in CI, which runs in a disposable VM, but destroys a developer machine. It turns out windows-snapshot-base is not used at all. Drop it. Signed-off-by: Wei Liu <liuwe@microsoft.com> Assisted-by: Copilot:Opus-4.8
81 lines
2.7 KiB
Bash
Executable File
81 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# shellcheck disable=SC2048,SC2086
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set -x
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# shellcheck source=/dev/null
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source "$HOME"/.cargo/env
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source "$(dirname "$0")"/test-util.sh
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source "$(dirname "$0")"/common-aarch64.sh
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process_common_args "$@"
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# aarch64 not supported for MSHV
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if [[ "$hypervisor" = "mshv" ]]; then
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echo "AArch64 is not supported in Microsoft Hypervisor"
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exit 1
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fi
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WIN_IMAGE_BASENAME="windows-11-iot-enterprise-aarch64.raw"
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WIN_IMAGE_FILE="$WORKLOADS_DIR/$WIN_IMAGE_BASENAME"
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OVMF_FW="$WORKLOADS_DIR/CLOUDHV_EFI.fd"
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if [ ! -f "$OVMF_FW" ]; then
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echo "Missing workload asset: $OVMF_FW"
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echo "Run: python3 scripts/fetch_workloads.py --test windows"
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exit 1
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fi
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# Check if the images are present
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if [[ ! -f ${WIN_IMAGE_FILE} || ! -f ${OVMF_FW} ]]; then
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echo "Windows image/firmware not present in the host"
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exit 1
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fi
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# Remove every device-mapper device this Windows test suite may have created
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# (the base plus any per-test snapshot a crashed or timed-out test left
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# behind). Snapshots reference the base as their origin and must be removed
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# first, so retry a few times to tolerate ordering. Only 'windows-*' devices
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# are touched, never any other device-mapper device on the host.
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cleanup_windows_dm() {
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for _ in 1 2 3; do
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local devs
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devs=$(dmsetup ls 2>/dev/null | awk '{print $1}' | grep '^windows-' || true)
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[ -z "$devs" ] && break
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for dev in $devs; do
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dmsetup remove "$dev" 2>/dev/null || true
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done
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done
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}
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# Clear anything a previous crashed or killed run left behind so the dmsetup
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# create below does not fail on a stale device, then detach any stale loop
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# devices still backing the image.
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cleanup_windows_dm
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losetup -j "${WIN_IMAGE_FILE}" | cut -d : -f 1 | while read -r stale; do
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losetup -d "$stale" 2>/dev/null || true
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done
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# Use device mapper to create a snapshot of the Windows image
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img_blk_size=$(du -b -B 512 "${WIN_IMAGE_FILE}" | awk '{print $1;}')
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loop_device=$(losetup --find --show --read-only "${WIN_IMAGE_FILE}")
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dmsetup create windows-base --table "0 $img_blk_size linear $loop_device 0"
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dmsetup mknodes
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# Common configuration for every test run
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export RUST_BACKTRACE=1
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export RUSTFLAGS="$RUSTFLAGS"
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cargo build --all --release --target "$BUILD_TARGET"
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# Only run with 1 thread to avoid tests interfering with one another because
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# Windows has a static IP configured
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time cargo nextest run -p cloud-hypervisor --retries 3 --no-tests=pass "windows::$test_filter" --target "$BUILD_TARGET" -- ${test_binary_args[*]}
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RES=$?
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# Tear down the base and any per-test snapshot devices left over from a crash,
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# then detach this run's loop device.
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cleanup_windows_dm
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losetup -d "$loop_device" 2>/dev/null || true
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exit $RES
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