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Merged
merged 1 commit into from
Jun 16, 2025
Merged

krun-ubuntu initial version #192

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55 changes: 55 additions & 0 deletions .buildkite/pipeline.yml
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Expand Up @@ -384,3 +384,58 @@ steps:
provider: gcp
machineType: n2-standard-2
enableNestedVirtualization: true

- label: "quark-test on ubuntu 18.04 (no bpf)"
key: test_ubuntu_18_04
command: "./.buildkite/runtest_distro.sh ubuntu 18.04 -k"
depends_on:
- make_docker
agents:
image: family/core-ubuntu-2404
provider: gcp
machineType: n2-standard-2
enableNestedVirtualization: true

- label: "quark-test on ubuntu 20.04"
key: test_ubuntu_20_04
command: "./.buildkite/runtest_distro.sh ubuntu 20.04"
depends_on:
- make_docker
agents:
image: family/core-ubuntu-2404
provider: gcp
machineType: n2-standard-2
enableNestedVirtualization: true

- label: "quark-test on ubuntu 22.04"
key: test_ubuntu_22_04
command: "./.buildkite/runtest_distro.sh ubuntu 22.04"
depends_on:
- make_docker
agents:
image: family/core-ubuntu-2404
provider: gcp
machineType: n2-standard-2
enableNestedVirtualization: true

- label: "quark-test on ubuntu 24.04"
key: test_ubuntu_24_04
command: "./.buildkite/runtest_distro.sh ubuntu 24.04"
depends_on:
- make_docker
agents:
image: family/core-ubuntu-2404
provider: gcp
machineType: n2-standard-2
enableNestedVirtualization: true

- label: "quark-test on ubuntu 25.04"
key: test_ubuntu_25_04
command: "./.buildkite/runtest_distro.sh ubuntu 25.04"
depends_on:
- make_docker
agents:
image: family/core-ubuntu-2404
provider: gcp
machineType: n2-standard-2
enableNestedVirtualization: true
1 change: 1 addition & 0 deletions .buildkite/runtest_distro.sh
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Expand Up @@ -36,5 +36,6 @@ sudo kvm-ok
case "$DISTRO" in
fedora) sudo ./krun-fedora.sh initramfs.gz "$DISTROVER" quark-test $@;;
rhel) sudo ./krun-rhel.sh initramfs.gz "$DISTROVER" quark-test $@;;
ubuntu) sudo ./krun-ubuntu.sh initramfs.gz "$DISTROVER" quark-test $@;;
*) echo bad distribution "$DISTROVER" 1>&2;;
esac
50 changes: 43 additions & 7 deletions krun-fedora.sh
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Expand Up @@ -3,13 +3,36 @@
set -euo pipefail

SCRIPT=${0##*/}
VERBOSE=0

log() { (( VERBOSE )) && printf '%s\n' "INFO: $*" >&2 || true; }
log_error() { printf '%s\n' "ERROR: $*" >&2; }
die() { log_error "$*"; exit 1; }

function usage
{
echo "usage: $SCRIPT initramfs.gz FEDORAVERSION command" 1>&2
echo "usage: $SCRIPT [-v] initramfs.gz FEDORAVERSION command..." 1>&2
echo
echo " -v Verbose output"
echo " initramfs.gz Path to initramfs image"
echo " FEDORAVERSION Fedora version (e.g. 39, 40, rawhide)"
echo " command... Command to run in guest"
echo
echo "Examples:"
echo " $SCRIPT initramfs.gz 40 /bin/bash"
echo " $SCRIPT -v initramfs.gz rawhide quark-test -vvv"
exit 1
}

while getopts "vh" opt; do
case $opt in
v) VERBOSE=1 ;;
h) usage ;;
*) usage ;;
esac
done
shift $((OPTIND - 1))

if [ $# -lt 3 ]; then
usage
fi
Expand All @@ -18,30 +41,43 @@ INITRAMFS="$1"
FEDORAVER="$2"
shift 2

[[ -f $INITRAMFS ]] || die "Initramfs not found: $INITRAMFS"
[[ -f ./krun.sh ]] || die "Required launcher ./krun.sh is missing"

case $FEDORAVER in
2?|3?) URL="https://archives.fedoraproject.org/pub/archive/fedora/linux/updates/$FEDORAVER/Everything/x86_64/Packages/k";;
43|rawhide) URL="https://ftp.fau.de/fedora/linux/development/$FEDORAVER/Everything/x86_64/os/Packages/k";;
4?) URL="https://ftp.fau.de/fedora/linux/updates/$FEDORAVER/Everything/x86_64/Packages/k";;
*) echo bad version "$FEDORAVER" 1>&2;;
*) die "Unsupported Fedora version: $FEDORAVER";;
esac

log "Searching for Fedora $FEDORAVER kernel..."

TMPDIR=$(mktemp -d "/tmp/$SCRIPT.XXXXXXXXXX")
trap 'rm -rf "$TMPDIR"' EXIT
readonly TMPDIR
cleanup() { [[ -d "$TMPDIR" ]] && rm -rf "$TMPDIR"; }
trap cleanup EXIT

log "Fetching package list from $URL"
RPMURL=$(lynx -dump -listonly "$URL"|grep kernel-core)
RPMURL=${RPMURL##* }
RPM=$(basename "$RPMURL")
VMLINUZ=${RPM##kernel-core-}
VMLINUZ=${VMLINUZ%%.rpm}
VMLINUZ=$TMPDIR/lib/modules/$VMLINUZ/vmlinuz

# echo URL $URL
# echo RPMURL $RPMURL
# echo RPM $RPM
# echo VMLINUZ $VMLINUZ
log "URL: $URL"
log "RPMURL: $RPMURL"
log "Downloading kernel RPM: $RPM"
log "Target vmlinuz: $VMLINUZ"

cd "$TMPDIR"
curl -s "$RPMURL" | rpm2cpio - | cpio -idm
cd -

[[ -f "$VMLINUZ" ]] || die "vmlinuz not found: $VMLINUZ"

log "Kernel ready: $VMLINUZ"
log "Handing off to ./krun.sh"

./krun.sh "$INITRAMFS" "$VMLINUZ" "$@"
48 changes: 41 additions & 7 deletions krun-rhel.sh
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Expand Up @@ -3,13 +3,36 @@
set -euo pipefail

SCRIPT=${0##*/}
VERBOSE=0

log() { (( VERBOSE )) && printf '%s\n' "INFO: $*" >&2 || true; }
log_error() { printf '%s\n' "ERROR: $*" >&2; }
die() { log_error "$*"; exit 1; }

function usage
{
echo "usage: $SCRIPT initramfs.gz RHELVER command" 1>&2
echo "usage: $SCRIPT [-v] initramfs.gz RHELVER command..." 1>&2
echo
echo " -v Verbose output"
echo " initramfs.gz Path to initramfs image"
echo " RHELVER RHEL version (e.g. 8, 9, 8.4, 9.1)"
echo " command... Command to run in guest"
echo
echo "Examples:"
echo " $SCRIPT initramfs.gz 9 /bin/bash"
echo " $SCRIPT -v initramfs.gz 8.4 quark-test -vvv"
exit 1
}

while getopts "vh" opt; do
case $opt in
v) VERBOSE=1 ;;
h) usage ;;
*) usage ;;
esac
done
shift $((OPTIND - 1))

if [ $# -lt 3 ]; then
usage
fi
Expand All @@ -18,30 +41,41 @@ INITRAMFS="$1"
RHELVER="$2"
shift 2

[[ -f $INITRAMFS ]] || die "Initramfs not found: $INITRAMFS"
[[ -f ./krun.sh ]] || die "Required launcher ./krun.sh is missing"

case $RHELVER in
8|9) URL="https://ftp.fau.de/rockylinux/$RHELVER/BaseOS/x86_64/os/Packages/k";;
8.[34]) URL="https://dl.rockylinux.org/vault/rocky/$RHELVER/BaseOS/x86_64/os/Packages";;
8.?|9.?) URL="https://dl.rockylinux.org/vault/rocky/$RHELVER/BaseOS/x86_64/os/Packages/k";;
*) echo bad version "$RHELVER" 1>&2;;
*) die "Unsupported RHEL version: $RHELVER";;
esac

log "Searching for RHEL $RHELVER kernel..."

TMPDIR=$(mktemp -d "/tmp/$SCRIPT.XXXXXXXXXX")
trap 'rm -rf "$TMPDIR"' EXIT
readonly TMPDIR
cleanup() { [[ -d "$TMPDIR" ]] && rm -rf "$TMPDIR"; }
trap cleanup EXIT

log "Fetching package list from $URL"
RPMURL=$(lynx -dump -listonly "$URL"|grep kernel-core)
RPMURL=${RPMURL##* }
RPM=$(basename "$RPMURL")
VMLINUZ=${RPM##kernel-core-}
VMLINUZ=${VMLINUZ%%.rpm}
VMLINUZ=$TMPDIR/lib/modules/$VMLINUZ/vmlinuz

# echo URL $URL
# echo RPMURL $RPMURL
# echo RPM $RPM
# echo VMLINUZ $VMLINUZ
log "Downloading kernel RPM: $RPM"
log "Target vmlinuz: $VMLINUZ"

cd "$TMPDIR"
curl -s "$RPMURL" | rpm2cpio - | cpio -idm
cd -

[[ -f "$VMLINUZ" ]] || die "vmlinuz not found: $VMLINUZ"

log "Kernel ready: $VMLINUZ"
log "Handing off to ./krun.sh"

./krun.sh "$INITRAMFS" "$VMLINUZ" "$@"
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