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      Documentation

      OpenStack Rocky Deployment Guide

      Introduction to OpenStack

      OpenStack is an open source cloud computing infrastructure software project developed by the community. It provides an operating platform or tool set for deploying the cloud, offering scalable and flexible cloud computing capabilities for organizations.

      As an open source cloud computing management platform, OpenStack consists of several major components, such as Nova, Cinder, Neutron, Glance, Keystone, and Horizon. OpenStack supports almost all cloud environments. The project aims to provide a cloud computing management platform that is easy-to-use, scalable, unified, and standardized. OpenStack provides an infrastructure as a service (IaaS) solution that combines complementary services, each of which provides an API for integration.

      The third-party oepkg Yum source certified by openEuler 20.03 LTS SP2 supports OpenStack Rocky. You can configure the oepkg Yum source and deploy OpenStack based on this document.

      Preparing the Environment

      Configuring OpenStack Yum Source

      Configure third-party oepkg source that is certified by 20.03 LTS SP2. The following uses x86_64 as an example.

      $ cat << EOF >> /etc/yum.repos.d/OpenStack_Rocky.repo
[openstack_rocky]
name=OpenStack_Rocky
baseurl=https://repo.oepkgs.net/openEuler/rpm/openEuler-20.03-LTS-SP2/budding-openeuler/openstack/rocky/x86_64/
gpgcheck=0
enabled=1
EOF

      $ yum clean all && yum makecache

      Configuring the Environment

      Add controller information in /etc/hosts. For example, if the node IP address is 10.0.0.11, add the following information:

      10.0.0.11   controller

      Installing the SQL Database

      1. Run the following command to install the software package:

        $ yum install mariadb mariadb-server python2-PyMySQL

      2. Create a file named /etc/my.cnf.d/openstack.cnf and edit it.

        Copy the following content to the file (set bind-address to the management IP address of the controller node):

        [mysqld]
bind-address = 10.0.0.11
default-storage-engine = innodb
innodb_file_per_table = on
max_connections = 4096
collation-server = utf8_general_ci
character-set-server = utf8

      3. Start the database service and enable it to automatically start upon system boot:

        $ systemctl enable mariadb.service
$ systemctl start mariadb.service

      Installing RabbitMQ

      1. Run the following command to install the software package:

        $ yum install rabbitmq-server

      2. Start the RabbitMQ service and enable it to automatically start upon system boot.

        $ systemctl enable rabbitmq-server.service
$ systemctl start rabbitmq-server.service

      3. Add an OpenStack user.

        $ rabbitmqctl add_user openstack RABBIT_PASS

      4. Replace RABBIT_PASS with the password of the OpenStack user.

      5. Run the following command to set the permission of the openstack user so that the user can perform configuration, write, and read operations:

        $ rabbitmqctl set_permissions openstack ".*" ".*" ".*"

      Installing Memcached

      1. Run the following command to install the target software package:

        $ yum install memcached python2-memcached

      2. Edit the /etc/sysconfig/memcached file and add the following content:

        OPTIONS="-l 127.0.0.1,::1,controller"

        Change the value of OPTIONS to the actual management IP address of the controller node.

      3. Run the following command to start the Memcached service and enable it to automatically start upon system boot:

        $ systemctl enable memcached.service
$ systemctl start memcached.service

      Installing OpenStack

      Installing Keystone

      1. Log in to the database as the root user. Create the Keystone database, and grant permissions to the user.

        $ mysql -u root -p

        MariaDB [(none)]> CREATE DATABASE keystone;
MariaDB [(none)]> GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' \
IDENTIFIED BY 'KEYSTONE_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'%' \
IDENTIFIED BY 'KEYSTONE_DBPASS';
MariaDB [(none)]> exit

        Replace KEYSTONE_DBPASS with the password of the Keystone database.

      2. Run the following command to install the software package:

        $ yum install openstack-keystone httpd python2-mod_wsgi

      3. Edit the /etc/keystone/keystone.conf file to configure Keystone. In the [database] section, configure the database entry. In the [token] section, configure the token provider.

        [database]
connection = mysql+pymysql://keystone:KEYSTONE_DBPASS@controller/keystone
[token]
provider = fernet

        Replace KEYSTONE_DBPASS with the password of the Keystone database.

      4. Run the following command to synchronize the database.

        su -s /bin/sh -c "keystone-manage db_sync" keystone

      5. Run the following command to initialize the Fernet keystore:

        $ keystone-manage fernet_setup --keystone-user keystone --keystone-group keystone
$ keystone-manage credential_setup --keystone-user keystone --keystone-group keystone

      6. Run the following commands to enable the identity service:

        $ keystone-manage bootstrap --bootstrap-password ADMIN_PASS \
--bootstrap-admin-url http://controller:5000/v3/ \
--bootstrap-internal-url http://controller:5000/v3/ \
--bootstrap-public-url http://controller:5000/v3/ \
--bootstrap-region-id RegionOne

        Replace ADMIN_PASS with the password of the admin user.

      7. Edit the /etc/httpd/conf/httpd.conf file and configure the Apache HTTP server.

        $ vim /etc/httpd/conf/httpd.conf

        Enable ServerName to reference the controller node:

        ServerName controller

        If ServerName does not exist, create it.

      8. Run the following command to create a link for the /usr/share/keystone/wsgi-keystone.conf file:

        $ ln -s /usr/share/keystone/wsgi-keystone.conf /etc/httpd/conf.d/

      9. After the installation is complete, run the following command to start the Apache HTTP service:

        $ systemctl enable httpd.service
$ systemctl start httpd.service

      10. Install the OpenStack client.

        $ yum install python2-openstackclient

      11. Create the environment script for the OpenStack client.

        Run the following command to create environment variable script for the admin user:

        # vim admin-openrc

export OS_PROJECT_DOMAIN_NAME=Default
export OS_USER_DOMAIN_NAME=Default
export OS_PROJECT_NAME=admin
export OS_USERNAME=admin
export OS_PASSWORD=ADMIN_PASS
export OS_AUTH_URL=http://controller:5000/v3
export OS_IDENTITY_API_VERSION=3
export OS_IMAGE_API_VERSION=2

        Replace ADMIN_PASS with the password of user admin that is set in the preceding keystone-manage bootstrap command. Run the following script to load environment variables:

        $ source admin-openrc

      12. Run the following commands to create the domains, projects, users, and roles:

        Create a domain named example.

        $ openstack domain create --description "An Example Domain" example

        Note: The domain default has been created in keystone-manage bootstrap.

        Create a project named service.

        $ openstack project create --domain default --description "Service Project" service

        Create a non-admin project named myproject, a user named myuser, and a role named myrole. Add the myrole role to myproject and myuser.

        $ openstack project create --domain default --description "Demo Project" myproject
$ openstack user create --domain default --password-prompt myuser
$ openstack role create myrole
$ openstack role add --project myproject --user myuser myrole

      13. Perform verification.

        Cancel the temporary environment variables OS_AUTH_URL and OS_PASSWORD.

        $ unset OS_AUTH_URL OS_PASSWORD

        Request a token for the admin user:

        $ openstack --os-auth-url http://controller:5000/v3 \
--os-project-domain-name Default --os-user-domain-name Default \
--os-project-name admin --os-username admin token issue

        Request a token for the myuser user:

        $ openstack --os-auth-url http://controller:5000/v3 \
--os-project-domain-name Default --os-user-domain-name Default \
--os-project-name myproject --os-username myuser token issue

      Installing Glance

      1. Create a database, service credentials, and API endpoints.

        Create a database.

        Log in to the database as the root user. Create the glance database and grant proper access to the glance database.

        $ mysql -u root -p

        MariaDB [(none)]> CREATE DATABASE glance;
MariaDB [(none)]> GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' \
IDENTIFIED BY 'GLANCE_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' \
IDENTIFIED BY 'GLANCE_DBPASS';
MariaDB [(none)]> exit

        Replace GLANCE_DBPASS with the password of the glance database.

        $ source admin-openrc

        Run the following commands to create the glance service credential, create the glance user, and add the admin role to the glance user:

        $ openstack user create --domain default --password-prompt glance
$ openstack role add --project service --user glance admin
$ openstack service create --name glance --description "OpenStack Image" image

        Create API endpoints for the image service.

        $ openstack endpoint create --region RegionOne image public http://controller:9292
$ openstack endpoint create --region RegionOne image internal http://controller:9292
$ openstack endpoint create --region RegionOne image admin http://controller:9292

      2. Perform the installation and configuration.

        Install the software package:

         $ yum install openstack-glance

        Configure Glance:

        Open the /etc/glance/glance-api.conf file.

        In the [database] section, configure the database entry.

        In the [keystone_authtoken] and [paste_deploy] sections, configure the identity service entry.

        In the [glance_store] section, configure the local file system storage and the location where image files are stored.

         [database]
 # ...
 connection = mysql+pymysql://glance:GLANCE_DBPASS@controller/glance
 [keystone_authtoken]
 # ...
 www_authenticate_uri  = http://controller:5000
 auth_url = http://controller:5000
 memcached_servers = controller:11211
 auth_type = password
 project_domain_name = Default
 user_domain_name = Default
 project_name = service
 username = glance
 password = GLANCE_PASS
 [paste_deploy]
 # ...
 flavor = keystone
 [glance_store]
 # ...
 stores = file,http
 default_store = file
 filesystem_store_datadir = /var/lib/glance/images/

        Open the /etc/glance/glance-registry.conf file.

        In the [database] section, configure the database entry.

        In the [keystone_authtoken] and [paste_deploy] sections, configure the identity service entry.

         [database]
 # ...
 connection = mysql+pymysql://glance:GLANCE_DBPASS@controller/glance
 [keystone_authtoken]
 # ...
 www_authenticate_uri  = http://controller:5000
 auth_url = http://controller:5000
 memcached_servers = controller:11211
 auth_type = password
 project_domain_name = Default
 user_domain_name = Default
 project_name = service
 username = glance
 password = GLANCE_PASS
 [paste_deploy]
 # ...
 flavor = keystone

        In the preceding command, replace GLANCE_DBPASS with the password of the glance database, and replace GLANCE_PASS with the password of the glance user.

        Synchronize the database:

         $ su -s /bin/sh -c "glance-manage db_sync" glance

        Run the following command to start the image service:

         $ systemctl enable openstack-glance-api.service openstack-glance-registry.service
 $ systemctl start openstack-glance-api.service openstack-glance-registry.service

      3. Perform verification.

        Download the image.

         $ source admin-openrc
#Note: If the Kunpeng architecture is used, download the image of the ARM64 version.
$ wget http://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img

        Upload the image to the image service.

        $ glance image-create --name "cirros" --file cirros-0.4.0-x86_64-disk.img --disk-format qcow2 --container-format bare --visibility=public

        Confirm the image upload and verify the attributes.

        $ glance image-list

      Installing Nova

      1. Create a database, service credentials, and API endpoints.

        Create a database.

        Access the database as the root user. Create the nova, nova_api, and nova_cell0 databases and grant permissions.

        $ mysql -u root -p

        MariaDB [(none)]> CREATE DATABASE nova_api;
MariaDB [(none)]> CREATE DATABASE nova;
MariaDB [(none)]> CREATE DATABASE nova_cell0;
MariaDB [(none)]> CREATE DATABASE placement;

MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'localhost' \
IDENTIFIED BY 'NOVA_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'%' \
IDENTIFIED BY 'NOVA_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' \
IDENTIFIED BY 'NOVA_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'%' \
IDENTIFIED BY 'NOVA_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'localhost' \
IDENTIFIED BY 'NOVA_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'%' \
IDENTIFIED BY 'NOVA_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON placement.* TO 'placement'@'localhost' \
IDENTIFIED BY 'PLACEMENT_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON placement.* TO 'placement'@'%' \
IDENTIFIED BY 'PLACEMENT_DBPASS';
MariaDB [(none)]> exit

        Replace NOVA_DBPASS and PLACEMENT_DBPASS with the passwords for the Nova and Placement databases.

        Run the following commands to create Nova service credentials, create a nova user, and add the admin role to the nova user:

        $ . admin-openrc
$ openstack user create --domain default --password-prompt nova
$ openstack role add --project service --user nova admin
$ openstack service create --name nova --description "OpenStack Compute" compute

        Create API endpoints for the computing service.

        $ openstack endpoint create --region RegionOne compute public http://controller:8774/v2.1
$ openstack endpoint create --region RegionOne compute internal http://controller:8774/v2.1
$ openstack endpoint create --region RegionOne compute admin http://controller:8774/v2.1

        Create the placement user and add the admin role to the placement user.

        $ openstack user create --domain default --password-prompt placement
$ openstack role add --project service --user placement admin

        Create the placement service credential and API service endpoint.

        $ openstack service create --name placement --description "Placement API" placement
$ openstack endpoint create --region RegionOne placement public http://controller:8778
$ openstack endpoint create --region RegionOne placement internal http://controller:8778
$ openstack endpoint create --region RegionOne placement admin http://controller:8778

      2. Perform the installation and configuration.

        Install the software package:

        $ yum install openstack-nova-api openstack-nova-conductor \
  openstack-nova-novncproxy openstack-nova-scheduler openstack-nova-compute \
  openstack-nova-placement-api openstack-nova-console

        Configure Nova:

        Open the /etc/nova/nova.conf file.

        In the [DEFAULT] section, enable the computing and metadata APIs, configure the RabbitMQ message queue entrance, configure my_ip, and enable the network service Neutron.

        In the [api_database], [database], and [placement_database] sections, configure the database entry.

        In the [api] and [keystone_authtoken] sections, configure the identity service entry.

        In the [vnc] section, enable and configure the entry for the remote console.

        In the [glance] section, configure the API address for the image service.

        In the [oslo_concurrency] section, configure the lock path.

        In the [placement] section, configure the entry of the Placement service.

        [DEFAULT]
# ...
enabled_apis = osapi_compute,metadata
transport_url = rabbit://openstack:RABBIT_PASS@controller:5672/
my_ip = 10.0.0.11
use_neutron = true
firewall_driver = nova.virt.firewall.NoopFirewallDriver
compute_driver = libvirt.LibvirtDriver
instances_path = /var/lib/nova/instances/
[api_database]
# ...
connection = mysql+pymysql://nova:NOVA_DBPASS@controller/nova_api
[database]
# ...
connection = mysql+pymysql://nova:NOVA_DBPASS@controller/nova
[placement_database]
# ...
connection = mysql+pymysql://placement:PLACEMENT_DBPASS@controller/placement
[api]
# ...
auth_strategy = keystone
[keystone_authtoken]
# ...
www_authenticate_uri = http://controller:5000/
auth_url = http://controller:5000/
memcached_servers = controller:11211
auth_type = password
project_domain_name = Default
user_domain_name = Default
project_name = service
username = nova
password = NOVA_PASS
[vnc]
enabled = true
# ...
server_listen = $my_ip
server_proxyclient_address = $my_ip
novncproxy_base_url = http://controller:6080/vnc_auto.html
[glance]
# ...
api_servers = http://controller:9292
[oslo_concurrency]
# ...
lock_path = /var/lib/nova/tmp
[placement]
# ...
region_name = RegionOne
project_domain_name = Default
project_name = service
auth_type = password
user_domain_name = Default
auth_url = http://controller:5000/v3
username = placement
password = PLACEMENT_PASS
[neutron]
# ...
auth_url = http://controller:5000
auth_type = password
project_domain_name = Default
user_domain_name = Default
region_name = RegionOne
project_name = service
username = neutron
password = NEUTRON_PASS

        Replace RABBIT_PASS with the password of the openstack user in RabbitMQ.

        Set my_ip to the management IP address of the controller node.

        Replace NOVA_DBPASS with the password of the nova database.

        Replace PLACEMENT_DBPASS with the password of the Placement database.

        Replace NOVA_PASS with the password of the nova user.

        Replace PLACEMENT_PASS with the password of the placement user.

        Replace NEUTRON_PASS with the password of the neutron user.

        Open /etc/httpd/conf.d/00-nova-placement-api.conf and add the Placement API access configuration.

        <Directory /usr/bin>
   <IfVersion >= 2.4>
      Require all granted
   </IfVersion>
   <IfVersion < 2.4>
      Order allow,deny
      Allow from all
   </IfVersion>
</Directory>

        Restart the httpd service.

        $ systemctl restart httpd

        Run the following command to synchronize the nova-api database:

        $ su -s /bin/sh -c "nova-manage api_db sync" nova

        Run the following command to register the cell0 database:

        $ su -s /bin/sh -c "nova-manage cell_v2 map_cell0" nova

        Create the cell1 cell:

        $ su -s /bin/sh -c "nova-manage cell_v2 create_cell --name=cell1 --verbose" nova

        Synchronize the nova database:

        $ su -s /bin/sh -c "nova-manage db sync" nova

        Verify whether cell0 and cell1 are correctly registered:

        su -s /bin/sh -c "nova-manage cell_v2 list_cells" nova

        Check whether VM hardware acceleration (x86 architecture) is supported:

        $ egrep -c '(vmx|svm)' /proc/cpuinfo

        If the returned value is 0, hardware acceleration is not supported. You need to configure libvirt to use QEMU instead of KVM. Notes: For an ARM64 server, set cpu_mode to custom, cpu_model to cortex-a72.

        # vim /etc/nova/nova.conf
[libvirt]
# ...
virt_type = qemu
cpu_mode = custom
cpu_model = cortex-a72

        If the returned value is 1 or a larger value, hardware acceleration is supported, and no extra configuration is required.

        Notice

        If the ARM64 structure is used, run the following command on the compute node:

        mkdir -p /usr/share/AAVMF
ln -s /usr/share/edk2/aarch64/QEMU_EFI-pflash.raw \
      /usr/share/AAVMF/AAVMF_CODE.fd
ln -s /usr/share/edk2/aarch64/vars-template-pflash.raw \
      /usr/share/AAVMF/AAVMF_VARS.fd
chown nova:nova /usr/share/AAVMF -R

vim /etc/libvirt/qemu.conf

nvram = ["/usr/share/AAVMF/AAVMF_CODE.fd:/usr/share/AAVMF/AAVMF_VARS.fd",
     "/usr/share/edk2/aarch64/QEMU_EFI-pflash.raw:/usr/share/edk2/aarch64/vars-template-pflash.raw"
]

        Start the computing service and its dependencies, and enable the service to start automatically upon system boot.

        $ systemctl enable \
openstack-nova-api.service \
openstack-nova-scheduler.service \
openstack-nova-conductor.service \
openstack-nova-novncproxy.service
$ systemctl start \
openstack-nova-api.service \
openstack-nova-scheduler.service \
openstack-nova-conductor.service \
openstack-nova-novncproxy.service

        $ systemctl enable libvirtd.service openstack-nova-compute.service
$ systemctl start libvirtd.service openstack-nova-compute.service

        Add the compute nodes to the cell database:

        Check whether the compute node exists:

        $ . admin-openrc
$ openstack compute service list --service nova-compute

        Register a compute node:

        $ su -s /bin/sh -c "nova-manage cell_v2 discover_hosts --verbose" nova

      3. Perform verification.

        $ . admin-openrc

        List service components to verify that each process is successfully started and registered.

        $ openstack compute service list

        List the API endpoints in the identity service and verify the connection to the identity service.

        $ openstack catalog list

        List the images in the image service and verify the connections:

        $ openstack image list

        Check whether the cells and placement APIs are running properly and whether other prerequisites are met.

        $ nova-status upgrade check

      Installing Neutron

      1. Create a database, service credentials, and API endpoints.

        Create a database.

        Access the database as the root user, create the neutron database, and grant permissions.

        $ mysql -u root -p

        MariaDB [(none)]> CREATE DATABASE neutron;
MariaDB [(none)]> GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'localhost' \
IDENTIFIED BY 'NEUTRON_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'%' \
IDENTIFIED BY 'NEUTRON_DBPASS';
MariaDB [(none)]> exit

        Replace NEUTRON_DBPASS with the password of the neutron database.

        $ . admin-openrc

        Run the following commands to create the neutron service credential, create the neutron user, and add the admin role to the neutron user:

        Create the neutron service credential.

        $ openstack user create --domain default --password-prompt neutron
$ openstack role add --project service --user neutron admin
$ openstack service create --name neutron --description "OpenStack Networking" network

        Create API endpoints of the network services.

        $ openstack endpoint create --region RegionOne network public http://controller:9696
$ openstack endpoint create --region RegionOne network internal http://controller:9696
$ openstack endpoint create --region RegionOne network admin http://controller:9696

      2. Install and configure the self-service network.

        Install the software package:

        $ yum install openstack-neutron openstack-neutron-ml2 \
openstack-neutron-linuxbridge ebtables ipset

        Configure Neutron:

        Edit the /etc/neutron/neutron.conf file:

        In the [database] section, configure the database entry.

        In the [default] section, enable the ML2 and router plug-ins. Allow IP address overlapping, and configure the RabbitMQ message queue entry.

        In the [default] and [keystone] sections, configure the identity service entry.

        In the [default] and [nova] sections, enable the network to notify the change of the computing network topology.

        In the [oslo_concurrency] section, configure the lock path.

        [database]
# ...
connection = mysql+pymysql://neutron:NEUTRON_DBPASS@controller/neutron
[DEFAULT]
# ...
core_plugin = ml2
service_plugins = router
allow_overlapping_ips = true
transport_url = rabbit://openstack:RABBIT_PASS@controller
auth_strategy = keystone
notify_nova_on_port_status_changes = true
notify_nova_on_port_data_changes = true
[keystone_authtoken]
# ...
www_authenticate_uri = http://controller:5000
auth_url = http://controller:5000
memcached_servers = controller:11211
auth_type = password
project_domain_name = Default
user_domain_name = Default
project_name = service
username = neutron
password = NEUTRON_PASS
[nova]
# ...
auth_url = http://controller:5000
auth_type = password
project_domain_name = Default
user_domain_name = Default
region_name = RegionOne
project_name = service
username = nova
password = NOVA_PASS
[oslo_concurrency]
# ...
lock_path = /var/lib/neutron/tmp

        Replace NEUTRON_DBPASS with the password of the neutron database.

        Replace RABBIT_PASS with the password of the openstack user in RabbitMQ.

        Replace NEUTRON_PASS with the password of the neutron user.

        Replace NOVA_PASS with the password of the nova user.

        Configure the ML2 plug-in.

        Edit the /etc/neutron/plugins/ml2/ml2_conf.ini file.

        In the [ml2] section, enable the flat, VLAN, and VXLAN networks, enable the bridge and layer-2 population mechanism, and enable the port security extension driver.

        In the [ml2_type_flat] section, configure the flat network as the provider virtual network.

        In the [ml2_type_vxlan] section, configure the VXLAN network identifier range.

        In the [securitygroup] section, set ipset.

        # vim /etc/neutron/plugins/ml2/ml2_conf.ini
[ml2]
# ...
type_drivers = flat,vlan,vxlan
tenant_network_types = vxlan
mechanism_drivers = linuxbridge,l2population
extension_drivers = port_security
[ml2_type_flat]
# ...
flat_networks = provider
[ml2_type_vxlan]
# ...
vni_ranges = 1:1000
[securitygroup]
# ...
enable_ipset = true

        Configure the Linux bridge agent:

        Edit the /etc/neutron/plugins/ml2/linuxbridge_agent.ini file:

        In the [linux_bridge] section, map the provider virtual network to the physical network API.

        In the [vxlan] section, enable the VXLAN network. Configure the IP address of the physical network API that processes the coverage network, and enable layer-2 population.

        In the [securitygroup] section, enable the security group and configure the linux bridge iptables firewall driver.

        [linux_bridge]
physical_interface_mappings = provider:PROVIDER_INTERFACE_NAME
[vxlan]
enable_vxlan = true
local_ip = OVERLAY_INTERFACE_IP_ADDRESS
l2_population = true
[securitygroup]
# ...
enable_security_group = true
firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver

        Replace PROVIDER_INTERFACE_NAME with the physical network API.

        Replace OVERLAY_INTERFACE_IP_ADDRESS with the management IP address of the controller node.

        Configure the Layer 3 proxy.

        Edit the /etc/neutron/l3_agent.ini file:

        In the [default] section, set the API driver to linuxbridge.

        [DEFAULT]
# ...
interface_driver = linuxbridge

        Configures the DHCP agent:

        Edit the /etc/neutron/dhcp_agent.ini file.

        In the [default] section, configure the Linux bridge API driver and Dnsmasq DHCP driver. Enable the isolated metadata.

        [DEFAULT]
# ...
interface_driver = linuxbridge
dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq
enable_isolated_metadata = true

        Configure the metadata proxy.

        Edit the /etc/neutron/metadata_agent.ini file.

        In the [default], configure the metadata host and shared secret.

        [DEFAULT]
# ...
nova_metadata_host = controller
metadata_proxy_shared_secret = METADATA_SECRET

        Replace METADATA_SECRET with a proper metadata agent secret.

      3. Configure the computing service.

        Edit the /etc/nova/nova.conf file.

        In the [neutron] section, configure access parameters, enable the metadata proxy, and configure secret.

        [neutron]
# ...
auth_url = http://controller:5000
auth_type = password
project_domain_name = Default
user_domain_name = Default
region_name = RegionOne
project_name = service
username = neutron
password = NEUTRON_PASS
service_metadata_proxy = true
metadata_proxy_shared_secret = METADATA_SECRET

        Replace NEUTRON_PASS with the password of the neutron user.

        Replace METADATA_SECRET with a proper metadata agent secret.

      4. Complete the installation.

        Add the link for the configuration file:

        $ ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini

        Synchronize the database:

        $ su -s /bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf \
--config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head" neutron

        Run the following command to restart the computing API service:

        $ systemctl restart openstack-nova-api.service

        Start the network service and enable the service to start automatically upon system boot.

        $ systemctl enable neutron-server.service \
neutron-linuxbridge-agent.service neutron-dhcp-agent.service \
neutron-metadata-agent.service
$ systemctl start neutron-server.service \
neutron-linuxbridge-agent.service neutron-dhcp-agent.service \
neutron-metadata-agent.service
$ systemctl enable neutron-l3-agent.service
$ systemctl start neutron-l3-agent.service

      5. Perform verification.

        Run the following command to list the neutron agents:

        $ openstack network agent list

      Installing Cinder

      1. Create a database, service credentials, and API endpoints.

        Create a database.

        Access the database as the root user. Create the cinder database, and grant permissions.

        $ mysql -u root -p
MariaDB [(none)]> CREATE DATABASE cinder;
MariaDB [(none)]> GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'localhost' \
IDENTIFIED BY 'CINDER_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'%' \
IDENTIFIED BY 'CINDER_DBPASS';
MariaDB [(none)]> exit

        Replace CINDER_DBPASS with the password for the cinder database.

        $ source admin-openrc

        Create Cinder service credentials:

        Create the cinder user.

        Add the admin role to the cinder user.

        Create the cinderv2 and cinderv3 services.

        $ openstack user create --domain default --password-prompt cinder
$ openstack role add --project service --user cinder admin
$ openstack service create --name cinderv2 --description "OpenStack Block Storage" volumev2
$ openstack service create --name cinderv3 --description "OpenStack Block Storage" volumev3

        Create API endpoints for the block storage service.

        $ openstack endpoint create --region RegionOne volumev2 public http://controller:8776/v2/%\(project_id\)s
$ openstack endpoint create --region RegionOne volumev2 internal http://controller:8776/v2/%\(project_id\)s
$ openstack endpoint create --region RegionOne volumev2 admin http://controller:8776/v2/%\(project_id\)s
$ openstack endpoint create --region RegionOne volumev3 public http://controller:8776/v3/%\(project_id\)s
$ openstack endpoint create --region RegionOne volumev3 internal http://controller:8776/v3/%\(project_id\)s
$ openstack endpoint create --region RegionOne volumev3 admin http://controller:8776/v3/%\(project_id\)s

      2. Install and configure the controller node.

        Install the software package:

        $ yum install openstack-cinder

        Configure Cinder:

        Open the /etc/cinder/cinder.conf file.

        In the [database] section, configure the database entry.

        In the [DEFAULT] section, configure the RabbitMQ message queue entry and my_ip.

        In the [DEFAULT] and [keystone_authtoken] sections, configure the identity service entry.

        In the [oslo_concurrency] section, configure the lock path.

        [database]
# ...
connection = mysql+pymysql://cinder:CINDER_DBPASS@controller/cinder
[DEFAULT]
# ...
transport_url = rabbit://openstack:RABBIT_PASS@controller
auth_strategy = keystone
my_ip = 10.0.0.11
[keystone_authtoken]
# ...
www_authenticate_uri = http://controller:5000
auth_url = http://controller:5000
memcached_servers = controller:11211
auth_type = password
project_domain_name = Default
user_domain_name = Default
project_name = service
username = cinder
password = CINDER_PASS
[oslo_concurrency]
# ...
lock_path = /var/lib/cinder/tmp

        Replace CINDER_DBPASS with the password of the cinder database.

        Replace RABBIT_PASS with the password of the openstack user in RabbitMQ.

        Set my_ip to the management IP address of the controller node.

        Replace CINDER_PASS with the password of the cinder user.

        Synchronize the database:

        $ su -s /bin/sh -c "cinder-manage db sync" cinder

        Configure the block storage for the compute nodes.

        Edit the /etc/nova/nova.conf file.

        [cinder]
os_region_name = RegionOne

        Complete the installation.

        Restart the computing API service.

        $ systemctl restart openstack-nova-api.service

        Start the block storage service.

        $ systemctl enable openstack-cinder-api.service openstack-cinder-scheduler.service
$ systemctl start openstack-cinder-api.service openstack-cinder-scheduler.service

      3. Install and configure the storage node (LVM).

        Install the software package:

        $ yum install lvm2 device-mapper-persistent-data scsi-target-utils python2-keystone \
openstack-cinder-volume

        Create the LVM physical volume /dev/sdb.

        $ pvcreate /dev/sdb

        Create the LVM volume group cinder-volumes.

        $ vgcreate cinder-volumes /dev/sdb

        Edit the /etc/lvm/lvm.conf file.

        In the devices section, add filtering to allow the /dev/sdb device to reject other devices.

        devices {

# ...

filter = [ "a/sdb/", "r/.*/"]

        Open the /etc/cinder/cinder.conf file.

        In the [lvm] section, configure the LVM backend using the LVM driver, cinder-volumes volume group, iSCSI protocol, and appropriate iSCSI services.

        In the [DEFAULT] section, enable the LVM backend and configure the location of the API of the image service.

        [lvm]
volume_driver = cinder.volume.drivers.lvm.LVMVolumeDriver
volume_group = cinder-volumes
target_protocol = iscsi
target_helper = lioadm
[DEFAULT]
# ...
enabled_backends = lvm
glance_api_servers = http://controller:9292

        Notice

        If Cinder uses tgtadm to attach volumes, modify /etc/tgt/tgtd.conf to ensure that tgtd can discover the iSCSI target of the cinder-volume.

        include /var/lib/cinder/volumes/*

        Complete the installation.

        $ systemctl enable openstack-cinder-volume.service tgtd.service iscsid.service
$ systemctl start openstack-cinder-volume.service tgtd.service iscsid.service

      4. Install and configure a storage node (ceph RBD).

        Install the software package:

        $ yum install ceph-common python2-rados python2-rbd python2-keystone openstack-cinder-volume

        In the [DEFAULT] section, enable the LVM backend and configure the location of the API of the image service.

        [DEFAULT]
enabled_backends = ceph-rbd

        Add the ceph rbd configuration. The configuration block name is the same as that in enabled_backends.

        [ceph-rbd]
glance_api_version = 2
rados_connect_timeout = -1
rbd_ceph_conf = /etc/ceph/ceph.conf
rbd_flatten_volume_from_snapshot = False
rbd_max_clone_depth = 5
rbd_pool = <RBD_POOL_NAME>  # RBD storage pool name.
rbd_secret_uuid = <rbd_secret_uuid> # Randomly generate a secret UUID.
rbd_store_chunk_size = 4
rbd_user = <RBD_USER_NAME>
volume_backend_name = ceph-rbd
volume_driver = cinder.volume.drivers.rbd.RBDDriver

        Configure the ceph client on the storage node. Ensure that the /etc/ceph/ directory contains the ceph cluster access configuration, including ceph.conf and keyring.

        [root@openeuler ~]# ll /etc/ceph
-rw-r--r-- 1 root root   82 Jun 16 17:11 ceph.client.<rbd_user>.keyring
-rw-r--r-- 1 root root 1.5K Jun 16 17:11 ceph.conf
-rw-r--r-- 1 root root   92 Jun 16 17:11 rbdmap

        Check whether the ceph cluster is accessible on the storage node.

        [root@openeuler ~]# ceph --user cinder -s
  cluster:
    id:     b7b2fac6-420f-4ec1-aea2-4862d29b4059
    health: HEALTH_OK

  services:
    mon: 3 daemons, quorum VIRT01,VIRT02,VIRT03
    mgr: VIRT03(active), standbys: VIRT02, VIRT01
    mds: cephfs_virt-1/1/1 up  {0=VIRT03=up:active}, 2 up:standby
    osd: 15 osds: 15 up, 15 in

  data:
    pools:   7 pools, 1416 pgs
    objects: 5.41M objects, 19.8TiB
    usage:   49.3TiB used, 59.9TiB / 109TiB avail
    pgs:     1414 active

  io:
    client:   2.73MiB/s rd, 22.4MiB/s wr, 3.21kop/s rd, 1.19kop/s wr

        Start the service.

        $ systemctl enable openstack-cinder-volume.service
$ systemctl start openstack-cinder-volume.service

      5. Install and configure the backup service.

        Edit the /etc/cinder/cinder.conf file.

        In the [DEFAULT] section, configure the backup options.

        [DEFAULT]
# ...
# Note: openEuler 21.03 does not provide the OpenStack Swift software package. You need to install it by yourself, or use another backup backend, such as NFS. The NFS has been tested and can be used properly.
backup_driver = cinder.backup.drivers.swift.SwiftBackupDriver
backup_swift_url = SWIFT_URL

        Replace SWIFT_URL with the URL of the object storage service. The URL can be found through the object storage API endpoint.

        $ openstack catalog show object-store

        Complete the installation.

        $ systemctl enable openstack-cinder-backup.service
$ systemctl start openstack-cinder-backup.service

      6. Perform verification.

        List service components and verify that each step is successful.

        $ source admin-openrc
$ openstack volume service list

        Note: Currently, the Swift component is not supported. If possible, you can configure the interconnection with Ceph.

      Installing Horizon

      1. Installing Software Packages

        $ yum install openstack-dashboard

      2. Open the /usr/share/openstack-dashboard/openstack_dashboard/local/local_settings.py file.

        Modify the variables.

        ALLOWED_HOSTS = ['*', ]
OPENSTACK_HOST = "controller"
OPENSTACK_KEYSTONE_URL = "http://%s:5000/v3" % OPENSTACK_HOST
OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT = True
SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
CACHES = {
    'default': {
         'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
         'LOCATION': 'controller:11211',
    }
}

        Add the variables.

        OPENSTACK_API_VERSIONS = {
    "identity": 3,
    "image": 2,
    "volume": 3,
}
WEBROOT = "/dashboard/"
COMPRESS_OFFLINE = True
OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = "default"
OPENSTACK_KEYSTONE_DEFAULT_ROLE = "admin"
LOGIN_URL = '/dashboard/auth/login/'
LOGOUT_URL = '/dashboard/auth/logout/'

      3. Modify the /etc/httpd/conf.d/openstack-dashboard.conf file.

        WSGIDaemonProcess dashboard
WSGIProcessGroup dashboard
WSGISocketPrefix run/wsgi
WSGIApplicationGroup %{GLOBAL}

WSGIScriptAlias /dashboard /usr/share/openstack-dashboard/openstack_dashboard/wsgi/django.wsgi
Alias /dashboard/static /usr/share/openstack-dashboard/static

<Directory /usr/share/openstack-dashboard/openstack_dashboard/wsgi>
  Options All
  AllowOverride All
  Require all granted
</Directory>

<Directory /usr/share/openstack-dashboard/static>
  Options All
  AllowOverride All
  Require all granted
</Directory>

      4. Run the following command in the /usr/share/openstack-dashboard directory:

        $ ./manage.py compress

      5. Restart the httpd service.

        $ systemctl restart httpd

      6. Open a browser and enter http://<host_ip> in the address box to log in to Horizon.

      Installing Tempest

      Tempest is an integration test service of OpenStack. You are advised to use Tempest if you need to fully and automatically test the functions of the installed OpenStack environment. Otherwise, the installation is not required.

      1. Install Tempest.

        $ yum install openstack-tempest

      2. Initialize the directories.

        $ tempest init mytest

      3. Modify the configuration file.

        $ cd mytest
$ vi etc/tempest.conf

        Information about the current OpenStack environment needs to be configured in the tempest.conf file. For details, see the Sample Configuration File.

      4. Perform the test.

        $ tempest run

      Installing Ironic

      Ironic is the bare metal service of OpenStack. You are advised to use Ironic if you need to deploy a bare metal server. Otherwise, the installation is not required.

      1. Set the database.

        The bare metal service stores information in the database. Create an Ironic database that can be accessed by the ironic user and replace Ironic_DBPASSWORD with a proper password.

        $ mysql -u root -p 

        MariaDB [(none)]> CREATE DATABASE ironic CHARACTER SET utf8; 

MariaDB [(none)]> GRANT ALL PRIVILEGES ON ironic.* TO 'ironic'@'localhost' \     
IDENTIFIED BY 'IRONIC_DBPASSWORD'; 

MariaDB [(none)]> GRANT ALL PRIVILEGES ON ironic.* TO 'ironic'@'%' \     
IDENTIFIED BY 'IRONIC_DBPASSWORD';

      2. Install and configure components.

        Create the service user and perform verification.

        1. Create the bare metal service users.

        $ openstack user create --password IRONIC_PASSWORD \ 
--email ironic@example.com ironic 
$ openstack role add --project service --user ironic admin 
$ openstack service create --name ironic --description \ 
"Ironic baremetal provisioning service" baremetal 

$ openstack service create --name ironic-inspector --description     "Ironic inspector baremetal provisioning service" baremetal-introspection 
$ openstack user create --password IRONIC_INSPECTOR_PASSWORD --email ironic_inspector@example.com ironic_inspector 
$ openstack role add --project service --user ironic-inspector admin

        2. Create the bare metal service access portals.

        $ openstack endpoint create --region RegionOne baremetal admin http://$IRONIC_NODE:6385 
$ openstack endpoint create --region RegionOne baremetal public http://$IRONIC_NODE:6385 
$ openstack endpoint create --region RegionOne baremetal internal http://$IRONIC_NODE:6385 
$ openstack endpoint create --region RegionOne baremetal-introspection internal http://$IRONIC_NODE:5050/v1 
$ openstack endpoint create --region RegionOne baremetal-introspection public http://$IRONIC_NODE:5050/v1 
$ openstack endpoint create --region RegionOne baremetal-introspection admin http://$IRONIC_NODE:5050/v1
        Configuring the ironic-api Service

        Configuration file path: /etc/ironic/ironic.conf

        1. Set connection to the database location, as shown in the following example. Replace IRONIC_DBPASSWORD with the password of the ironic user and DB_IP with the IP address of the database server.

        [database] 

# The SQLAlchemy connection string used to connect to the 
# database (string value) 

connection = mysql+pymysql://ironic:IRONIC_DBPASSWORD@DB_IP/ironic

        2. Configure the ironic-api service to use the RabbitMQ message broker and replace RPC_* with the address and credential of RabbitMQ.

        [DEFAULT] 

# A URL representing the messaging driver to use and its full 
# configuration. (string value) 

transport_url = rabbit://RPC_USER:RPC_PASSWORD@RPC_HOST:RPC_PORT/

        You can also use JSON-RPC to replace RabbitMQ.

        3. Configure the credential for the ironic-api service to use the identity service. Replace PUBLIC_IDENTITY_IP with the public IP address of the identity server, and replace PRIVATE_IDENTITY_IP with the private IP address of the identity server. Replace Ironic_PASSWORD with the password of user ironic in the identity service.

        [DEFAULT] 

# Authentication strategy used by ironic-api: one of 
# "keystone" or "noauth". "noauth" should not be used in a 
# production environment because all authentication will be 
# disabled. (string value) 

auth_strategy=keystone 

[keystone_authtoken] 
# Authentication type to load (string value) 
auth_type=password 
# Complete public Identity API endpoint (string value) 
www_authenticate_uri=http://PUBLIC_IDENTITY_IP:5000 
# Complete admin Identity API endpoint. (string value) 
auth_url=http://PRIVATE_IDENTITY_IP:5000 
# Service username. (string value) 
username=ironic 
# Service account password. (string value) 
password=IRONIC_PASSWORD 
# Service tenant name. (string value) 
project_name=service 
# Domain name containing project (string value) 
project_domain_name=Default 
# User's domain name (string value) 
user_domain_name=Default

        4. Create a database table for the bare metal service.

        $ ironic-dbsync --config-file /etc/ironic/ironic.conf create_schema

        5. Restart the ironic-api service.

        $ systemctl restart openstack-ironic-api
        Configuring the ironic-conductor Service

        1. Replace HOST_IP with the IP address of the conductor host.

        [DEFAULT] 

# IP address of this host. If unset, will determine the IP 
# programmatically. If unable to do so, will use "127.0.0.1". 
# (string value) 

my_ip=HOST_IP

        2. Configure the database location. The configuration of ironic-conductor must be the same as that of ironic-api. Replace IRONIC_DBPASSWORD with the password of the ironic user and DB_IP with the IP address of the database server.

        [database] 

# The SQLAlchemy connection string to use to connect to the 
# database. (string value) 

connection = mysql+pymysql://ironic:IRONIC_DBPASSWORD@DB_IP/ironic

        3. Configure the ironic-api service to use the RabbitMQ. The configuration of ironic-conductor service must be the same as that of ironic-api. Replace RPC_* with the address and credential of RabbitMQ.

        [DEFAULT] 

# A URL representing the messaging driver to use and its full 
# configuration. (string value) 

transport_url = rabbit://RPC_USER:RPC_PASSWORD@RPC_HOST:RPC_PORT/

        You can also use JSON-RPC to replace RabbitMQ.

        4. Configure credentials to access other OpenStack services.

        To communicate with other OpenStack services, the service user need to use the OpenStack Identity service for authentication when the bare metal service requests other services. The credentials for these users must be configured in each configuration file associated with the respective service.

        [neutron] - Access the OpenStack network service.
        [glance] - Access the OpenStack image service.
        [swift] - Access the OpenStack object storage service.
        [cinder] - Access the OpenStack block storage service.
        [inspector] - Access the introspection service of OpenStack bare metal service.
        [service_catalog] - A special item used to store the credentials used by the bare metal service to discover its own API URL endpoints registered in the OpenStack identity service catalog.

        For simplicity, you can use the same service user for all services. For backward compatibility, this user must be the same as that configured in [keystone_authtoken] of the ironic-api service. This is not mandatory. You can create and configure different service users for each service.

        In the following example, the configuration for the authentication information for users to access the OpenStack network service is:

        Network services are deployed in the identity service domain named "RegionOne". Only public endpoint APIs are registered in the service catalog.

        A specific CA SSL certificate is used for HTTPS connection when requested.

        The same service user with ironic-api service is configured.

        The dynamic password authentication plug-in discovers the appropriate version of the authentication service API based on other options.

        [neutron] 

# Authentication type to load (string value) 
auth_type = password 
# Authentication URL (string value) 
auth_url=https://IDENTITY_IP:5000/ 
# Username (string value) 
username=ironic 
# User's password (string value) 
password=IRONIC_PASSWORD 
# Project name to scope to (string value) 
project_name=service 
# Domain ID containing project (string value) 
project_domain_id=default 
# User's domain id (string value) 
user_domain_id=default 
# PEM encoded Certificate Authority to use when verifying 
# HTTPs connections. (string value) 
cafile=/opt/stack/data/ca-bundle.pem 
# The default region_name for endpoint URL discovery. (string 
# value) 
region_name = RegionOne 
# List of interfaces, in order of preference, for endpoint 
# URL. (list value) 
valid_interfaces=public

        By default, to communicate with other services, the bare metal service attempts to discover the appropriate endpoint of the service through the service catalog of the authentication service. If you want to use a different endpoint for a specific service, specify the endpoint_override option in the bare metal service configuration file.

        [neutron] 
# ...
endpoint_override = <NEUTRON_API_ADDRESS>

        5. Configure allowed drivers and hardware types.

        Configure enabled_hardware_types to set the hardware types allowed by the ironic-conductor service.

        [DEFAULT] 
enabled_hardware_types = ipmi

        Configure the hardware API.

        enabled_boot_interfaces = pxe
enabled_deploy_interfaces = direct,iscsi
enabled_inspect_interfaces = inspector
enabled_management_interfaces = ipmitool
enabled_power_interfaces = ipmitool

        Configure API default values.

        [DEFAULT]
default_deploy_interface = direct
default_network_interface = neutron

        If any driver that uses Direct Deploy is enabled, you must install and configure the Swift backend of the image service. The Ceph object gateway (RADOS gateway) is also supported as a backend for the image service.

        6. Restart the ironic-conductor service.

        $ systemctl restart openstack-ironic-conductor
        Configure the ironic-inspector service.

        Configuration file path: /etc/ironic-inspector/inspector.conf.

        1. Create a database.

        $ mysql -u root -p 

        MariaDB [(none)]> CREATE DATABASE ironic_inspector CHARACTER SET utf8; 

MariaDB [(none)]> GRANT ALL PRIVILEGES ON ironic_inspector.* TO 'ironic_inspector'@'localhost' \     IDENTIFIED BY 'IRONIC_INSPECTOR_DBPASSWORD'; 
MariaDB [(none)]> GRANT ALL PRIVILEGES ON ironic_inspector.* TO 'ironic_inspector'@'%' \     
IDENTIFIED BY 'IRONIC_INSPECTOR_DBPASSWORD';

        2. Set connection to the database location, as shown in the following example. Replace IRONIC_INSPECTOR_DBPASSWORD with the password of the ironic_inspector user and DB_IP with the IP address of the database server.

        [database] 
backend = sqlalchemy 
connection = mysql+pymysql://ironic_inspector:IRONIC_INSPECTOR_DBPASSWORD@DB_IP/ironic_inspector

        3. Configure the communication address of the message queue.

        [DEFAULT]
transport_url = rabbit://RPC_USER:RPC_PASSWORD@RPC_HOST:RPC_PORT/

        4. Configure Keystone authentication.

        [DEFAULT] 

auth_strategy = keystone 

[ironic] 

api_endpoint = http://IRONIC_API_HOST_ADDRRESS:6385 
auth_type = password 
auth_url = http://PUBLIC_IDENTITY_IP:5000 
auth_strategy = keystone 
ironic_url = http://IRONIC_API_HOST_ADDRRESS:6385 
os_region = RegionOne 
project_name = service 
project_domain_name = Default 
user_domain_name = Default 
username = IRONIC_SERVICE_USER_NAME 
password = IRONIC_SERVICE_USER_PASSWORD

        5. Configure the ironic inspector dnsmasq service.

        #Configuration file path: /etc/ironic-inspector/dnsmasq.conf 
port=0 
interface=enp3s0                         #Replace it with the actual listening network API. 
dhcp-range=172.20.19.100,172.20.19.110   #Replace it with the actual DHCP address range. 
bind-interfaces 
enable-tftp 

dhcp-match=set:efi,option:client-arch,7 
dhcp-match=set:efi,option:client-arch,9 
dhcp-match=aarch64, option:client-arch,11 
dhcp-boot=tag:aarch64,grubaa64.efi 
dhcp-boot=tag:!aarch64,tag:efi,grubx64.efi 
dhcp-boot=tag:!aarch64,tag:!efi,pxelinux.0 

tftp-root=/tftpboot                       #Replace it with the actual tftpboot directory. 
log-facility=/var/log/dnsmasq.log

        6. Enable the services.

        $ systemctl enable --now openstack-ironic-inspector.service 
$ systemctl enable --now openstack-ironic-inspector-dnsmasq.service

      3. Create a deploy

        Currently, ramdisk images can be created using ironic python agent builder. This section describes how to use this tool to build deploy images used by ironic.

        Installing ironic-python-agent-builder

        1. Install the tool.

          $ pip install ironic-python-agent-builder

        2. Modify the Python interpreter in the following file:

          $ /usr/bin/yum /usr/libexec/urlgrabber-ext-down

        3. Install other necessary tools.

          $ yum install git

          DIB depends on semanage. Before creating an image, check whether the semanage --help command is available. If no such command is displayed, it.

          #Query the package to be installed.
[root@localhost ~]# yum provides /usr/sbin/semanage
Loaded plug-in: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.vcu.edu
 * extras: mirror.vcu.edu
 * updates: mirror.math.princeton.edu
policycoreutils-python-2.5-34.el7.aarch64 : SELinux policy core python utilities
Source: base
Matching source:
File name: /usr/sbin/semanage
#Install.
[root@localhost ~]# yum install policycoreutils-python
        Creating the Image

        If the aarch64 architecture is used, add the following information:

        $ export ARCH=aarch64
        Common Image

        Basic usage:

        usage: ironic-python-agent-builder [-h] [-r RELEASE] [-o OUTPUT] [-e ELEMENT]
                                   [-b BRANCH] [-v] [--extra-args EXTRA_ARGS]
                                   distribution

positional arguments:
  distribution          Distribution to use

optional arguments:
  -h, --help            show this help message and exit
  -r RELEASE, --release RELEASE
                        Distribution release to use
  -o OUTPUT, --output OUTPUT
                        Output base file name
  -e ELEMENT, --element ELEMENT
                        Additional DIB element to use
  -b BRANCH, --branch BRANCH
                        If set, override the branch that is used for ironic-
                        python-agent and requirements
  -v, --verbose         Enable verbose logging in diskimage-builder
  --extra-args EXTRA_ARGS
                        Extra arguments to pass to diskimage-builder

        Examples:

        $ ironic-python-agent-builder centos -o /mnt/ironic-agent-ssh -b origin/stable/rocky
        Allowing SSH Login

        Initialize environment variables and create an image.

        $ export DIB_DEV_USER_USERNAME=ipa \
$ export DIB_DEV_USER_PWDLESS_SUDO=yes \
$ export DIB_DEV_USER_PASSWORD='123'
$ ironic-python-agent-builder centos -o /mnt/ironic-agent-ssh -b origin/stable/rocky -e selinux-permissive -e devuser
        Specifying the Code Repositories

        Initialize the corresponding environment variables and create an image.

        #Specify the repository address and version.
DIB_REPOLOCATION_ironic_python_agent=git@172.20.2.149:liuzz/ironic-python-agent.git
DIB_REPOREF_ironic_python_agent=origin/develop

#Clone code directly from Gerrit.
DIB_REPOLOCATION_ironic_python_agent=https://review.opendev.org/openstack/ironic-python-agent
DIB_REPOREF_ironic_python_agent=refs/changes/43/701043/1

        For details, see source-repositories.

        The verification of the specified repository address and version is successful.

      Installing Kolla

      Kolla provides container-based deployment for OpenStack services in the production environment. The Kolla and Kolla-ansible services are introduced in openEuler 20.03 LTS SP2.

      The installation of Kolla is simple. You only need to install the corresponding RPM package.

      $ yum install openstack-kolla openstack-kolla-ansible

      After the installation, you can use commands including kolla-ansible, kolla-build, kolla-genpwd and kolla-mergepwd.

      Installing Trove

      Trove is a database service provided by OpenStack. You are advised to use Trove if you use the database service provided by OpenStack. Otherwise, the installation is not required.

      1. Set the database.

        The database service stores information in the database. Create a trove user to access the trove database. Replace TROVE_DBPASSWORD with the corresponding password.

        $ mysql -u root -p

        MariaDB [(none)]> CREATE DATABASE trove CHARACTER SET utf8;
MariaDB [(none)]> GRANT ALL PRIVILEGES ON trove.* TO 'trove'@'localhost' \
IDENTIFIED BY 'TROVE_DBPASSWORD';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON trove.* TO 'trove'@'%' \
IDENTIFIED BY 'TROVE_DBPASSWORD';

      2. Create the service user and perform verification.

        1. Create a Trove service user.

        $ openstack user create --password TROVE_PASSWORD \
                      --email trove@example.com trove
$ openstack role add --project service --user trove admin
$ openstack service create --name trove
                         --description "Database service" database

        Note: Replace TROVE_PASSWORD with the password of the trove user.

        2. Create the database service access .

        $ openstack endpoint create --region RegionOne database public http://$TROVE_NODE:8779/v1.0/%\(tenant_id\)s
$ openstack endpoint create --region RegionOne database internal http://$TROVE_NODE:8779/v1.0/%\(tenant_id\)s
$ openstack endpoint create --region RegionOne database admin http://$TROVE_NODE:8779/v1.0/%\(tenant_id\)s

        Note: Replace $TROVE_NODE with the API service deployment node of the Trove.

      3. Install and configure Trove components.

        1. Install the Trove package.

        $ yum install openstack-trove python-troveclient

        2. Configure /etc/trove/trove.conf.

        [DEFAULT]
bind_host=TROVE_NODE_IP
log_dir = /var/log/trove

auth_strategy = keystone
# Config option for showing the IP address that nova doles out
add_addresses = True
network_label_regex = ^NETWORK_LABEL$
api_paste_config = /etc/trove/api-paste.ini

trove_auth_url = http://controller:35357/v3/
nova_compute_url = http://controller:8774/v2
cinder_url = http://controller:8776/v1

nova_proxy_admin_user = admin
nova_proxy_admin_pass = ADMIN_PASS
nova_proxy_admin_tenant_name = service
taskmanager_manager = trove.taskmanager.manager.Manager
use_nova_server_config_drive = True

# Set these if using Neutron Networking
network_driver=trove.network.neutron.NeutronDriver
network_label_regex=.*
transport_url = rabbit://openstack:RABBIT_PASS@controller:5672/

[database]
connection = mysql+pymysql://trove:TROVE_DBPASS@controller/trove

[keystone_authtoken]
www_authenticate_uri = http://controller:5000/v3/
auth_url=http://controller:35357/v3/
#auth_uri = http://controller/identity
#auth_url = http://controller/identity_admin
auth_type = password
project_domain_name = Default
user_domain_name = Default
project_name = service
username = trove
password = TROVE_PASS

        Note:

        • Set bind_host of the [Default] group to the IP address of the Trove node.
        • nova_compute_url and cinder_url are the endpoints created in Keystone by Nova and Cinder.
        • nova_proxy_XXX shows the information about a user who can access the Nova service. In the preceding example, the admin user is used as an example.
        • transport_url is the connection information for RabbitMQ. Replace RABBIT_PASS with the RabbitMQ password.
        • The connection in the [database] group is the information about the database created for Trove in MySQL.
        • Replace TROVE_PASS of the Trove user information with the password of the actual Trove user.

        3. Configure /etc/trove/trove-taskmanager.conf.

        [DEFAULT]
log_dir = /var/log/trove
trove_auth_url = http://controller/identity/v2.0
nova_compute_url = http://controller:8774/v2
cinder_url = http://controller:8776/v1
transport_url = rabbit://openstack:RABBIT_PASS@controller:5672/

[database]
connection = mysql+pymysql://trove:TROVE_DBPASS@controller/trove

        Note: Refer to the configuration of trove.conf.

      4. Configure /etc/trove/trove-conductor.conf.

        [DEFAULT]
log_dir = /var/log/trove
trove_auth_url = http://controller/identity/v2.0
nova_compute_url = http://controller:8774/v2
cinder_url = http://controller:8776/v1
transport_url = rabbit://openstack:RABBIT_PASS@controller:5672/

[database]
connection = mysql+pymysql://trove:trove@controller/trove

        Note: Refer to the configuration of trove.conf.

        5. Configure /etc/trove/trove-guestagent.conf.

        [DEFAULT]
rabbit_host = controller
rabbit_password = RABBIT_PASS
nova_proxy_admin_user = admin
nova_proxy_admin_pass = ADMIN_PASS
nova_proxy_admin_tenant_name = service
trove_auth_url = http://controller/identity_admin/v2.0

        Note: guestagent is an independent component of Trove and needs to be built into the VM image created by the Trove through Nova. After a database instance is created, the guest agent process is started to report heartbeat messages to the Trove through the message queue (RabbitMQ). Therefore, you need to configure the RabbitMQ user name and password.

        6. Generate Trove database table.

        $ su -s /bin/sh -c "trove-manage db_sync" trove

      5. Complete the installation and configuration.
        1. Configure the automatic startup of the Trove service.

        $ systemctl enable openstack-trove-api.service \
openstack-trove-taskmanager.service \
openstack-trove-conductor.service

        2. Start the service.

        $ systemctl start openstack-trove-api.service \
openstack-trove-taskmanager.service \
openstack-trove-conductor.service

      Bug Catching

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