From 5c9d0f9562191312f0fb6b031546729d398a3bfd Mon Sep 17 00:00:00 2001 From: Pete Birley Date: Tue, 23 May 2017 20:39:28 -0500 Subject: [PATCH] Nova: Disable virtlogd for Libvirt >1.3 This PS disables virtlogd for running libvirt >1.3 See: https://bugzilla.redhat.com/show_bug.cgi?id=1290357 Closes-Bug: 1686069 Change-Id: I27ab690ef41e99e23a57f42b0695b1becb101e69 --- nova/templates/configmap-etc.yaml | 2 ++ nova/templates/daemonset-libvirt.yaml | 4 ++++ nova/templates/etc/_qemu.conf.tpl | 28 +++++++++++++++++++++++++++ tools/overrides/mvp/nova.yaml | 3 --- 4 files changed, 34 insertions(+), 3 deletions(-) create mode 100644 nova/templates/etc/_qemu.conf.tpl diff --git a/nova/templates/configmap-etc.yaml b/nova/templates/configmap-etc.yaml index 828f4409dc..1bc13fade8 100644 --- a/nova/templates/configmap-etc.yaml +++ b/nova/templates/configmap-etc.yaml @@ -96,3 +96,5 @@ data: {{ tuple "etc/_resolv.conf.tpl" . | include "helm-toolkit.template" | indent 4 }} libvirtd.conf: |+ {{ tuple "etc/_libvirtd.conf.tpl" . | include "helm-toolkit.template" | indent 4 }} + qemu.conf: |+ +{{ tuple "etc/_qemu.conf.tpl" . | include "helm-toolkit.template" | indent 4 }} diff --git a/nova/templates/daemonset-libvirt.yaml b/nova/templates/daemonset-libvirt.yaml index c2e70cc4e0..198783ae65 100644 --- a/nova/templates/daemonset-libvirt.yaml +++ b/nova/templates/daemonset-libvirt.yaml @@ -66,6 +66,10 @@ spec: mountPath: /etc/libvirt/libvirtd.conf subPath: libvirtd.conf readOnly: true + - name: nova-etc + mountPath: /etc/libvirt/qemu.conf + subPath: qemu.conf + readOnly: true - name: nova-etc mountPath: /etc/nova/nova.conf subPath: nova.conf diff --git a/nova/templates/etc/_qemu.conf.tpl b/nova/templates/etc/_qemu.conf.tpl new file mode 100644 index 0000000000..8677249d15 --- /dev/null +++ b/nova/templates/etc/_qemu.conf.tpl @@ -0,0 +1,28 @@ +# Copyright 2017 The Openstack-Helm Authors. +# +# 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. + +# The backend to use for handling stdout/stderr output from +# QEMU processes. +# +# 'file': QEMU writes directly to a plain file. This is the +# historical default, but allows QEMU to inflict a +# denial of service attack on the host by exhausting +# filesystem space +# +# 'logd': QEMU writes to a pipe provided by virtlogd daemon. +# This is the current default, providing protection +# against denial of service by performing log file +# rollover when a size limit is hit. +# +stdio_handler = "file" diff --git a/tools/overrides/mvp/nova.yaml b/tools/overrides/mvp/nova.yaml index d293a70aeb..3f0c6af15f 100644 --- a/tools/overrides/mvp/nova.yaml +++ b/tools/overrides/mvp/nova.yaml @@ -12,9 +12,6 @@ # See the License for the specific language governing permissions and # limitations under the License. -images: - libvirt: quay.io/stackanetes/stackanetes-nova-libvirt:newton - conf: nova: default: