Docker file for Vino libvirt

Change-Id: Ic13e20040c17fb685cf7c9b16966e932b64d4b06

vino-libvirt/Dockerfile

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+FROM docker.io/openstackhelm/libvirt:ubuntu_xenial-20190903
+COPY libvirtd.conf /etc/libvirt/libvirtd.conf
+COPY qemu.conf /etc/libvirt/qemu.conf
+COPY libvirt.sh /tmp/libvirt.sh
+RUN chmod +x /tmp/libvirt.sh
+CMD /tmp/libvirt.sh

vino-libvirt/libvirt.sh

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

vino-libvirt/libvirtd.conf

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+unix_sock_group = "libvirtd"
+unix_sock_ro_perms = "0777"
+unix_sock_rw_perms = "0770"
+log_outputs = "1:file:/var/log/libvirt/libvirtd.log"

vino-libvirt/qemu.conf

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+stdio_handler = "file"
+user = "libvirt-qemu"
+group = "kvm"
+security_driver = "none"