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https://github.com/cloud-hypervisor/cloud-hypervisor.git
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320c96a9e2
Each Windows integration test boots a full Windows Server guest using several vCPUs and gigabytes of RAM. nextest runs up to one test per logical CPU by default, so the whole suite started at once and thrashed the host. Add a dedicated 'windows' nextest profile that inherits from integration and assigns the tests to a 'windows' test group capped at four concurrent runs. Point the Windows test scripts at the profile and drop the redundant retries flag, which now comes from the profile. Running the tests in parallel is safe because every guest gets a unique network via next_guest_id, so there is no shared address to conflict over. Assisted-by: Claude:Opus-4.8 Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
84 lines
2.7 KiB
Bash
Executable File
84 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 "$0")"/test-util.sh
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process_common_args "$@"
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# For now these values are default for kvm
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test_features=""
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if [ "$hypervisor" = "mshv" ]; then
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test_features="--features mshv"
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fi
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WIN_IMAGE_FILE="/root/workloads/windows-server-2025-amd64-1.raw"
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WORKLOADS_DIR="/root/workloads"
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OVMF_FW="$WORKLOADS_DIR/CLOUDHV.fd"
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if [ ! -f "$OVMF_FW" ]; then
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echo "Missing workload asset: $OVMF_FW"
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echo "Run: python3 scripts/fetch_workloads.py --test windows"
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exit 1
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fi
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CFLAGS=""
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if [[ "${BUILD_TARGET}" == "x86_64-unknown-linux-musl" ]]; then
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# shellcheck disable=SC2034
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CFLAGS="-I /usr/include/x86_64-linux-musl/ -idirafter /usr/include/"
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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 $loop_device 0"
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dmsetup mknodes
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cargo build --features mshv --all --release --target "$BUILD_TARGET"
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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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time cargo nextest run -p cloud-hypervisor --profile windows --no-tests=pass $test_features "windows::$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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