OpenStack Caracal : Configure Nova #22024/08/06 |
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Install OpenStack Compute Service (Nova). This example is based on the environment like follows.
eth0|10.0.0.30
+-----------+-----------+
| [ dlp.srv.world ] |
| (Control Node) |
| |
| MariaDB RabbitMQ |
| Memcached Nginx |
| Keystone httpd |
| Glance Nova API |
+-----------------------+
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| [1] | Install Nova services. |
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[root@dlp ~(keystone)]# dnf --enablerepo=centos-openstack-caracal,epel,crb -y install openstack-nova openstack-placement-api
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| [2] | Configure Nova. |
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[root@dlp ~(keystone)]# mv /etc/nova/nova.conf /etc/nova/nova.conf.org
[root@dlp ~(keystone)]#
vi /etc/nova/nova.conf # create new [DEFAULT] osapi_compute_listen = 127.0.0.1 osapi_compute_listen_port = 8774 metadata_listen = 127.0.0.1 metadata_listen_port = 8775 state_path = /var/lib/nova enabled_apis = osapi_compute,metadata log_dir = /var/log/nova # RabbitMQ connection info transport_url = rabbit://openstack:password@dlp.srv.world [api] auth_strategy = keystone [vnc] enabled = True novncproxy_host = 127.0.0.1 novncproxy_port = 6080 novncproxy_base_url = https://dlp.srv.world:6080/vnc_auto.html # Glance connection info [glance] api_servers = https://dlp.srv.world:9292 [oslo_concurrency] lock_path = $state_path/tmp # MariaDB connection info [api_database] connection = mysql+pymysql://nova:password@dlp.srv.world/nova_api [database] connection = mysql+pymysql://nova:password@dlp.srv.world/nova # Keystone auth info [keystone_authtoken] www_authenticate_uri = https://dlp.srv.world:5000 auth_url = https://dlp.srv.world:5000 memcached_servers = dlp.srv.world:11211 auth_type = password project_domain_name = Default user_domain_name = Default project_name = service username = nova password = servicepassword # if using self-signed certs on httpd Keystone, turn to [true] insecure = false [placement] auth_url = https://dlp.srv.world:5000 os_region_name = RegionOne auth_type = password project_domain_name = Default user_domain_name = Default project_name = service username = placement password = servicepassword # if using self-signed certs on httpd Keystone, turn to [true] insecure = false [wsgi] api_paste_config = /etc/nova/api-paste.ini [oslo_policy] enforce_new_defaults = true
[root@dlp ~(keystone)]#
[root@dlp ~(keystone)]# chmod 640 /etc/nova/nova.conf [root@dlp ~(keystone)]# chgrp nova /etc/nova/nova.conf
mv /etc/placement/placement.conf /etc/placement/placement.conf.org
[root@dlp ~(keystone)]#
vi /etc/placement/placement.conf # create new
[DEFAULT]
debug = false
[api]
auth_strategy = keystone
[keystone_authtoken]
www_authenticate_uri = https://dlp.srv.world:5000
auth_url = https://dlp.srv.world:5000
memcached_servers = dlp.srv.world:11211
auth_type = password
project_domain_name = Default
user_domain_name = Default
project_name = service
username = placement
password = servicepassword
# if using self-signed certs on httpd Keystone, turn to [true]
insecure = false
[placement_database]
connection = mysql+pymysql://placement:password@dlp.srv.world/placement
[root@dlp ~(keystone)]#
chmod 640 /etc/placement/placement.conf [root@dlp ~(keystone)]# chgrp placement /etc/placement/placement.conf
[root@dlp ~(keystone)]#
vi /etc/httpd/conf.d/00-placement-api.conf # line 1 : change Listen 127.0.0.1:8778 # line 15 : add <Directory /usr/bin> Require all granted </Directory> </VirtualHost> |
| [3] | If SELinux is enabled, change policy. |
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[root@dlp ~(keystone)]# dnf --enablerepo=centos-openstack-caracal -y install openstack-selinux [root@dlp ~(keystone)]# semanage port -a -t http_port_t -p tcp 8778
[root@dlp ~(keystone)]#
vi novaapi.te # create new
module novaapi 1.0;
require {
type rpm_exec_t;
type hostname_exec_t;
type nova_t;
type nova_var_lib_t;
type iscsid_exec_t;
type pasta_exec_t;
type passt_exec_t;
type lsmd_t;
type virtlogd_t;
type geneve_port_t;
type mysqld_t;
type mysqld_exec_t;
type mysqld_safe_exec_t;
type gpg_exec_t;
type crontab_exec_t;
type consolehelper_exec_t;
type keepalived_exec_t;
type sysctl_net_t;
type container_runtime_exec_t;
class dir { add_name remove_name search write };
class file { append create getattr open read unlink };
class lnk_file { read getattr };
class capability dac_override;
}
#============= nova_t ==============
allow nova_t mysqld_exec_t:file getattr;
allow nova_t mysqld_safe_exec_t:file getattr;
allow nova_t gpg_exec_t:file getattr;
allow nova_t hostname_exec_t:file getattr;
allow nova_t rpm_exec_t:file getattr;
allow nova_t consolehelper_exec_t:file getattr;
allow nova_t crontab_exec_t:file getattr;
allow nova_t keepalived_exec_t:file getattr;
allow nova_t passt_exec_t:file getattr;
allow nova_t pasta_exec_t:lnk_file read;
allow nova_t container_runtime_exec_t:file getattr;
allow nova_t iscsid_exec_t:file { getattr open read };
#============= virtlogd_t ==============
allow virtlogd_t nova_var_lib_t:dir { add_name remove_name search write };
allow virtlogd_t nova_var_lib_t:file { append create getattr open unlink };
allow virtlogd_t self:capability dac_override;
#============= mysqld_t ==============
allow mysqld_t sysctl_net_t:dir search;
allow mysqld_t sysctl_net_t:file { getattr open read };
#============= lsmd_t ==============
allow lsmd_t pasta_exec_t:lnk_file getattr;
checkmodule -m -M -o novaapi.mod novaapi.te [root@dlp ~(keystone)]# semodule_package --outfile novaapi.pp --module novaapi.mod [root@dlp ~(keystone)]# semodule -i novaapi.pp |
| [4] | If Firewalld is running, allow ports for services. |
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[root@dlp ~(keystone)]# firewall-cmd --add-port={6080/tcp,6081/tcp,6082/tcp,8774/tcp,8775/tcp,8778/tcp} success [root@dlp ~(keystone)]# firewall-cmd --runtime-to-permanent success |
| [5] | Configure Nginx for proxy settings. |
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[root@dlp ~(keystone)]#
vi /etc/nginx/nginx.conf # add into the [stream] section
stream {
upstream glance-api {
server 127.0.0.1:9292;
}
server {
listen 10.0.0.30:9292 ssl;
proxy_pass glance-api;
}
upstream nova-api {
server 127.0.0.1:8774;
}
server {
listen 10.0.0.30:8774 ssl;
proxy_pass nova-api;
}
upstream nova-metadata-api {
server 127.0.0.1:8775;
}
server {
listen 10.0.0.30:8775 ssl;
proxy_pass nova-metadata-api;
}
upstream placement-api {
server 127.0.0.1:8778;
}
server {
listen 10.0.0.30:8778 ssl;
proxy_pass placement-api;
}
upstream novncproxy {
server 127.0.0.1:6080;
}
server {
listen 10.0.0.30:6080 ssl;
proxy_pass novncproxy;
}
ssl_certificate "/etc/letsencrypt/live/dlp.srv.world/fullchain.pem";
ssl_certificate_key "/etc/letsencrypt/live/dlp.srv.world/privkey.pem";
}
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| [6] | Add Data into Database and start Nova services. |
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[root@dlp ~(keystone)]#
su -s /bin/bash placement -c "placement-manage db sync"
[root@dlp ~(keystone)]#
su -s /bin/bash nova -c "nova-manage api_db sync"
[root@dlp ~(keystone)]#
su -s /bin/bash nova -c "nova-manage cell_v2 map_cell0"
[root@dlp ~(keystone)]#
su -s /bin/bash nova -c "nova-manage db sync"
[root@dlp ~(keystone)]#
su -s /bin/bash nova -c "nova-manage cell_v2 create_cell --name cell1"
[root@dlp ~(keystone)]#
systemctl restart httpd nginx [root@dlp ~(keystone)]# systemctl enable --now openstack-nova-api openstack-nova-conductor openstack-nova-scheduler openstack-nova-novncproxy [root@dlp ~(keystone)]# chown placement:placement /var/log/placement/placement-api.log # show status [root@dlp ~(keystone)]# openstack compute service list +--------------------------------------+----------------+---------------+----------+---------+-------+----------------------------+ | ID | Binary | Host | Zone | Status | State | Updated At | +--------------------------------------+----------------+---------------+----------+---------+-------+----------------------------+ | 12b8dc9e-acfc-4d68-9946-bc126dd8ab27 | nova-scheduler | dlp.srv.world | internal | enabled | up | 2024-08-06T00:42:05.000000 | | 846b71ab-2a9b-4521-9113-64a98be256b7 | nova-conductor | dlp.srv.world | internal | enabled | up | 2024-08-06T00:42:05.000000 | +--------------------------------------+----------------+---------------+----------+---------+-------+----------------------------+ |
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