bifrost/playbooks/roles/bifrost-create-vm-nodes/tasks/prepare_libvirt.yml
Dmitry Tantsur 8fa29d9834 Use libvirt-python from the distribution on Red Hat systems
The one in PyPI can easily get out of sync, causing breakages.
Since Red Hat systems move pretty quickly, just use the system
package (Bifrost creates the venv with system site packages).

Change-Id: I08da25aa73cdf3dc43886bc746431f6082e804a1
2022-05-18 18:45:21 +02:00

318 lines
8.6 KiB
YAML

# Copyright (c) 2017 Mirantis Inc.
#
# 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.
# Setup libvirt - ensure network and storage pool are defined and active,
# prepare dir for vm logs
---
- name: fail if secure boot is requested without UEFI
fail:
msg: Secure boot support requires default_boot_mode set to "uefi"
when:
- default_boot_mode != 'uefi'
- test_vm_secure_boot | bool
- name: install gunicorn and lxml
include_role:
name: bifrost-pip-install
vars:
package: "{{ item }}"
loop:
- gunicorn
- lxml
- name: install libvirt-python if needed
include_role:
name: bifrost-pip-install
vars:
package: libvirt-python
when: ansible_os_family != 'RedHat'
- name: configure libvirt log filters for qemu
blockinfile:
path: /etc/libvirt/libvirtd.conf
block: |
log_filters="1:qemu 1:libvirt 4:object 4:json 4:event 1:util"
log_outputs="1:file:/var/log/libvirt/libvirtd.log"
- name: "Restart libvirt service"
service: name="{{ libvirt_service_name }}" state=restarted
# NOTE(Shrews) We need to enable ip forwarding for the libvirt bridge to
# operate properly with dnsmasq. This should be done before starting dnsmasq.
- name: "Enable IP forwarding in sysctl"
sysctl:
name: "net.ipv4.ip_forward"
value: 1
sysctl_set: yes
state: present
reload: yes
# NOTE(Shrews) Ubuntu packaging+apparmor issue prevents libvirt from loading
# the ROM from /usr/share/misc.
- name: "Look for sgabios in {{ sgabios_dir }}"
stat: path={{ sgabios_dir }}/sgabios.bin
register: test_sgabios_qemu
- name: "Look for sgabios in /usr/share/misc"
stat: path=/usr/share/misc/sgabios.bin
register: test_sgabios_misc
- name: "Place sgabios.bin"
command: cp /usr/share/misc/sgabios.bin /usr/share/qemu/sgabios.bin
when:
- not test_sgabios_qemu.stat.exists
- test_sgabios_misc.stat.exists
# NOTE(TheJulia): In order to prevent conflicts, stop
# dnsmasq to prevent conflicts with libvirt restarting.
# TODO(TheJulia): We shouldn't need to do this, but the
# libvirt dhcp instance conflicts withour specific config
# and taking this path allows us to not refactor dhcp at
# this moment. Our DHCP serving should be refactored
# so we don't need to do this.
- name: "Stop default dnsmasq service"
service:
name: dnsmasq
state: stopped
ignore_errors: true
# NOTE(TheJulia): Seems if you test in a VM, this might
# be helpful if your installed your host originally
# with the default 192.168.122/0/24 network
- name: destroy libvirt network
virt_net:
name: "{{ test_vm_network }}"
state: absent
uri: "{{ test_vm_libvirt_uri }}"
- name: ensure libvirt network is present
virt_net:
name: "{{ test_vm_network }}"
state: present
xml: "{{ lookup('template', 'net.xml.j2') }}"
uri: "{{ test_vm_libvirt_uri }}"
- name: find facts on libvirt networks
virt_net:
name: "{{ test_vm_network }}"
command: facts
uri: "{{ test_vm_libvirt_uri }}"
# NOTE(pas-ha) yet another place where non-local libvirt will not work
- name: "Delete network interface if virtual network is not active"
command: ip link del {{ ansible_libvirt_networks[test_vm_network].bridge }}
when:
- ansible_libvirt_networks[test_vm_network].state != 'active'
- test_vm_libvirt_uri == 'qemu:///system'
ignore_errors: yes
- name: set libvirt network to autostart
virt_net:
name: "{{ test_vm_network }}"
autostart: yes
uri: "{{ test_vm_libvirt_uri }}"
- name: ensure libvirt network is running
virt_net:
name: "{{ test_vm_network }}"
state: active
uri: "{{ test_vm_libvirt_uri }}"
- name: get libvirt network status
virt_net:
name: "{{ test_vm_network }}"
command: status
uri: "{{ test_vm_libvirt_uri }}"
register: test_vm_net_status
- name: fail if libvirt network is not active
assert:
that: test_vm_net_status.status == 'active'
- name: define a libvirt pool if not set
virt_pool:
name: "{{ test_vm_storage_pool }}"
state: present
uri: "{{ test_vm_libvirt_uri }}"
xml: "{{ lookup('template', 'pool_dir.xml.j2') }}"
- name: ensure libvirt pool is running
virt_pool:
name: "{{ test_vm_storage_pool }}"
state: active
autostart: yes
uri: "{{ test_vm_libvirt_uri }}"
- name: create dir for bm logs
file:
state: directory
path: "{{ test_vm_logdir }}"
recurse: yes
mode: "0755"
- name: ensure parent dir for bm logs has proper rights
file:
state: directory
path: "{{ test_vm_logdir | dirname }}"
mode: "0755"
# NOTE(dtantsur): pypi version can easily get out of sync, we need to use
# the version from the distribution.
- name: edit libvirt-python out of upper constraints
lineinfile:
path: "{{ upper_constraints_file }}"
regexp: "^libvirt\\-python"
state: absent
when: ansible_os_family == 'RedHat'
- name: install virtualbmc
include_role:
name: bifrost-pip-install
vars:
package: virtualbmc
- name: ensure Virtual BMC systemd service is configured
template:
src: vbmcd.service.j2
dest: /etc/systemd/system/vbmcd.service
owner: root
group: root
mode: 0644
become: true
register: vbmcd_service_file
- name: create Virtual BMC configuration directory
file:
path: /etc/virtualbmc
state: directory
owner: root
group: root
mode: 0755
become: true
- name: write Virtual BMC configuration file
template:
src: virtualbmc.conf
dest: /etc/virtualbmc/virtualbmc.conf
owner: root
group: root
mode: 0600
become: true
- name: ensure Virtual BMC systemd service is started and enabled
systemd:
name: vbmcd
enabled: yes
state: started
daemon_reload: "{{ vbmcd_service_file.changed }}"
become: true
- name: install sushy-tools
include_role:
name: bifrost-pip-install
vars:
package: sushy-tools>=0.18.2
- name: create Redfish Emulator state directory
file:
name: "{{ redfish_emulator_state_dir }}"
state: directory
owner: root
group: root
mode: 0600
become: true
- name: ensure Redfish Emulator systemd service is configured
template:
src: redfish-emulator.service.j2
dest: /etc/systemd/system/redfish-emulator.service
owner: root
group: root
mode: 0644
become: true
register: redfish_emulator_service_file
- name: reload systemd units if needed
systemd:
daemon_reload: "{{ redfish_emulator_service_file.changed }}"
- name: find OVMF firmware
set_fact:
efi_loader_path: "{{ item }}"
with_first_found: "{{ efi_loader_locations }}"
ignore_errors: true
when: efi_loader_path is undefined
- name: fail if UEFI is requested and no OVMF firmware is found
fail:
msg: >
UEFI is requested but no OVMF firmware can be found. Please set
efi_loader_path explicitly. Note that firmware with secure boot enabled
may not work yet.
when:
- efi_loader_path is undefined
- default_boot_mode == 'uefi'
- name: find OVMF NVRAM
set_fact:
efi_nvram_path: "{{ item }}"
with_first_found: "{{ efi_nvram_locations }}"
when: default_boot_mode == 'uefi'
- name: write Redfish Emulator password file
htpasswd:
path: /etc/redfish-emulator.htpasswd
crypt_scheme: bcrypt
name: "admin"
password: "password"
owner: root
group: root
mode: 0600
- name: write Redfish Emulator configuration file
template:
src: redfish-emulator.conf.j2
dest: /etc/redfish-emulator.conf
owner: root
group: root
mode: 0600
become: true
register: redfish_emulator_config_file
# NOTE(dtantsur): the migration can be removed after Xena
- name: check for the old state directory
stat:
path: /tmp/sushy-emulator
register: redfish_emulator_old_state_dir
- block:
- name: stop Redfish Emulator before migrating its state directory
systemd:
name: redfish-emulator
state: stopped
- name: migrate existing Redfish Emulator state directory
shell: mv /tmp/sushy-emulator/*.sqlite "{{ redfish_emulator_state_dir }}"
become: true
ignore_errors: true
when: redfish_emulator_old_state_dir.stat.exists
and redfish_emulator_state_dir != '/tmp/sushy-emulator'
- name: ensure Redfish Emulator systemd service is started and enabled
systemd:
name: redfish-emulator
enabled: yes
state: restarted
become: true