ec07b343d2
We haven't been testing the distro for a while in CI, e.g. in Tempest, the jobs on opensuse15 haven't been executed for a year now. Therefore the patch removes opensuse support from devstack. Closes-Bug: #2002900 Change-Id: I0f5e4c644e2d14d1b8bb5bc0096d1469febe5fcc
202 lines
7.5 KiB
Bash
202 lines
7.5 KiB
Bash
#!/bin/bash
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#
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# lib/nova_plugins/functions-libvirt
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# Common libvirt configuration functions
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# Dependencies:
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# ``functions`` file
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# ``STACK_USER`` has to be defined
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# Save trace setting
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_XTRACE_NOVA_FN_LIBVIRT=$(set +o | grep xtrace)
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set +o xtrace
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# Defaults
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# --------
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# Turn on selective debug log filters for libvirt.
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# (NOTE: Enabling this by default, because the log filters enabled in
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# 'configure_libvirt' function further below are _selective_ and not
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# extremely verbose.)
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DEBUG_LIBVIRT=$(trueorfalse True DEBUG_LIBVIRT)
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# Try to enable coredumps for libvirt
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# Currently fairly specific to OpenStackCI hosts
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DEBUG_LIBVIRT_COREDUMPS=$(trueorfalse False DEBUG_LIBVIRT_COREDUMPS)
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# Enable the Fedora Virtualization Preview Copr repo that provides the latest
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# rawhide builds of QEMU, Libvirt and other virt tools.
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ENABLE_FEDORA_VIRT_PREVIEW_REPO=$(trueorfalse False ENABLE_FEDORA_VIRT_PREVIEW_REPO)
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# Enable coredumps for libvirt
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# Bug: https://bugs.launchpad.net/nova/+bug/1643911
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function _enable_coredump {
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local confdir=/etc/systemd/system/libvirtd.service.d
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local conffile=${confdir}/coredump.conf
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# Create a coredump directory, and instruct the kernel to save to
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# here
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sudo mkdir -p /var/core
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sudo chmod a+wrx /var/core
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echo '/var/core/core.%e.%p.%h.%t' | \
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sudo tee /proc/sys/kernel/core_pattern
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# Drop a config file to up the core ulimit
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sudo mkdir -p ${confdir}
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sudo tee ${conffile} <<EOF
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[Service]
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LimitCORE=infinity
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EOF
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# Tell systemd to reload the unit (service restarts later after
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# config anyway)
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sudo systemctl daemon-reload
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}
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# Installs required distro-specific libvirt packages.
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function install_libvirt {
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# NOTE(yoctozepto): The common consensus [1] is that libvirt-python should
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# be installed from distro packages. However, various projects might be
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# trying to ensure it is installed using pip AND use upper-constraints
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# with that, causing pip to try to upgrade it and to fail.
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# The following line removes libvirt-python from upper-constraints and
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# avoids the situation described above. Now only if installed packages
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# explicitly depend on a newer (or, in general, incompatible) libvirt-python
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# version, will pip try to reinstall it.
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# [1] https://review.opendev.org/c/openstack/devstack/+/798514
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$REQUIREMENTS_DIR/.venv/bin/edit-constraints \
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$REQUIREMENTS_DIR/upper-constraints.txt -- libvirt-python
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if is_ubuntu; then
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install_package qemu-system libvirt-clients libvirt-daemon-system libvirt-dev python3-libvirt
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if is_arch "aarch64"; then
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install_package qemu-efi
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fi
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#pip_install_gr <there-si-no-guestfs-in-pypi>
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elif is_fedora; then
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# Optionally enable the virt-preview repo when on Fedora
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if [[ $DISTRO =~ f[0-9][0-9] ]] && [[ ${ENABLE_FEDORA_VIRT_PREVIEW_REPO} == "True" ]]; then
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# https://copr.fedorainfracloud.org/coprs/g/virtmaint-sig/virt-preview/
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sudo dnf copr enable -y @virtmaint-sig/virt-preview
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fi
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if is_openeuler; then
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qemu_package=qemu
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else
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qemu_package=qemu-kvm
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fi
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# Note that in CentOS/RHEL this needs to come from the RDO
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# repositories (qemu-kvm-ev ... which provides this package)
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# as the base system version is too old. We should have
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# pre-installed these
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install_package $qemu_package
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install_package libvirt libvirt-devel python3-libvirt
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if is_arch "aarch64"; then
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install_package edk2-aarch64
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fi
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fi
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if [[ $DEBUG_LIBVIRT_COREDUMPS == True ]]; then
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_enable_coredump
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fi
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}
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# Configures the installed libvirt system so that is accessible by
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# STACK_USER via qemu:///system with management capabilities.
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function configure_libvirt {
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if is_service_enabled neutron && ! sudo grep -q '^cgroup_device_acl' $QEMU_CONF; then
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# Add /dev/net/tun to cgroup_device_acls, needed for type=ethernet interfaces
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cat <<EOF | sudo tee -a $QEMU_CONF
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cgroup_device_acl = [
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"/dev/null", "/dev/full", "/dev/zero",
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"/dev/random", "/dev/urandom",
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"/dev/ptmx", "/dev/kvm", "/dev/kqemu",
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"/dev/rtc", "/dev/hpet","/dev/net/tun",
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"/dev/vfio/vfio",
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]
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EOF
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fi
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if is_fedora; then
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# Starting with fedora 18 enable stack-user to
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# virsh -c qemu:///system by creating a policy-kit rule for
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# stack-user using the new Javascript syntax
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rules_dir=/etc/polkit-1/rules.d
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sudo mkdir -p $rules_dir
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cat <<EOF | sudo tee $rules_dir/50-libvirt-$STACK_USER.rules
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polkit.addRule(function(action, subject) {
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if (action.id == 'org.libvirt.unix.manage' &&
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subject.user == '$STACK_USER') {
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return polkit.Result.YES;
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}
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});
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EOF
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unset rules_dir
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fi
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# The user that nova runs as needs to be member of **libvirtd** group otherwise
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# nova-compute will be unable to use libvirt.
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if ! getent group $LIBVIRT_GROUP >/dev/null; then
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sudo groupadd $LIBVIRT_GROUP
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fi
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add_user_to_group $STACK_USER $LIBVIRT_GROUP
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# Enable server side traces for libvirtd
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if [[ "$DEBUG_LIBVIRT" = "True" ]] ; then
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if is_ubuntu; then
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# Unexpectedly binary package builds in ubuntu get fully qualified
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# source file paths, not relative paths. This screws with the matching
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# of '1:libvirt' making everything turn on. So use libvirt.c for now.
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# This will have to be re-visited when Ubuntu ships libvirt >= 1.2.3
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local log_filters="1:libvirt.c 1:qemu 1:conf 1:security 3:object 3:event 3:json 3:file 1:util 1:cpu"
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else
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local log_filters="1:libvirt 1:qemu 1:conf 1:security 3:object 3:event 3:json 3:file 1:util 1:cpu"
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fi
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local log_outputs="1:file:/var/log/libvirt/libvirtd.log"
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if ! sudo grep -q "^log_filters=\"$log_filters\"" /etc/libvirt/libvirtd.conf; then
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echo "log_filters=\"$log_filters\"" | sudo tee -a /etc/libvirt/libvirtd.conf
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fi
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if ! sudo grep -q "^log_outputs=\"$log_outputs\"" /etc/libvirt/libvirtd.conf; then
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echo "log_outputs=\"$log_outputs\"" | sudo tee -a /etc/libvirt/libvirtd.conf
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fi
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fi
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if is_nova_console_proxy_compute_tls_enabled ; then
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echo "vnc_tls = 1" | sudo tee -a $QEMU_CONF
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echo "vnc_tls_x509_verify = 1" | sudo tee -a $QEMU_CONF
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sudo mkdir -p /etc/pki/libvirt-vnc
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deploy_int_CA /etc/pki/libvirt-vnc/ca-cert.pem
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deploy_int_cert /etc/pki/libvirt-vnc/server-cert.pem /etc/pki/libvirt-vnc/server-key.pem
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# OpenSSL 1.1.0 generates the key file with permissions: 600, by
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# default and the deploy_int* methods use 'sudo cp' to copy the
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# files, making them owned by root:root.
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# Change ownership of everything under /etc/pki/libvirt-vnc to
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# libvirt-qemu:libvirt-qemu so that libvirt-qemu can read the key
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# file.
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sudo chown -R libvirt-qemu:libvirt-qemu /etc/pki/libvirt-vnc
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fi
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# Service needs to be started on redhat/fedora -- do a restart for
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# sanity after fiddling the config.
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restart_service libvirtd
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# Restart virtlogd companion service to ensure it is running properly
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# https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1577455
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# https://bugzilla.redhat.com/show_bug.cgi?id=1290357
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# (not all platforms have it; libvirt 1.3+ only, thus the ignore)
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restart_service virtlogd || true
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}
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# Restore xtrace
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$_XTRACE_NOVA_FN_LIBVIRT
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# Local variables:
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# mode: shell-script
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# End:
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