59 lines
1.8 KiB
Bash
59 lines
1.8 KiB
Bash
#!/bin/bash
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#Licensed under the Apache License, Version 2.0 (the "License");
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#you may not use this file except in compliance with the License.
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#You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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#Unless required by applicable law or agreed to in writing, software
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#distributed under the License is distributed on an "AS IS" BASIS,
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#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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#See the License for the specific language governing permissions and
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#limitations under the License.
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set -ex
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if [ -n "$(cat /proc/*/comm 2>/dev/null | grep -w libvirtd)" ]; then
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set +x
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for proc in $(ls /proc/*/comm 2>/dev/null); do
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if [ "x$(cat $proc 2>/dev/null | grep -w libvirtd)" == "xlibvirtd" ]; then
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set -x
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libvirtpid=$(echo $proc | cut -f 3 -d '/')
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echo "WARNING: libvirtd daemon already running on host" 1>&2
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echo "$(cat "/proc/${libvirtpid}/status" 2>/dev/null | grep State)" 1>&2
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kill -9 "$libvirtpid" || true
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set +x
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fi
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done
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set -x
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fi
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rm -f /var/run/libvirtd.pid
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if [[ -c /dev/kvm ]]; then
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chmod 660 /dev/kvm
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chown root:kvm /dev/kvm
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fi
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CGROUPS=""
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for CGROUP in cpu rdma hugetlb; do
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if [ -d /sys/fs/cgroup/${CGROUP} ]; then
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CGROUPS+="${CGROUP},"
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fi
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done
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cgcreate -g ${CGROUPS%,}:/osh-libvirt
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hp_count="$(cat /proc/meminfo | grep HugePages_Total | tr -cd '[:digit:]')"
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if [ 0"$hp_count" -gt 0 ]; then
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echo "INFO: Detected hugepage count of '$hp_count'. Enabling hugepage settings for libvirt/qemu."
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if [ -n "$(grep KVM_HUGEPAGES=0 /etc/default/qemu-kvm)" ]; then
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sed -i 's/.*KVM_HUGEPAGES=0.*/KVM_HUGEPAGES=1/g' /etc/default/qemu-kvm
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else
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echo KVM_HUGEPAGES=1 >> /etc/default/qemu-kvm
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fi
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fi
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exec cgexec -g ${CGROUPS%,}:/osh-libvirt systemd-run --scope --slice=system libvirtd
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