OpenStack Caracal : Configure Glance2024/08/06 |
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Install and Configure OpenStack Image Service (Glance). 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 |
+-----------------------+
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| [1] | Add users and others for Glance in Keystone. |
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# create [glance] user in [service] project [root@dlp ~(keystone)]# openstack user create --domain default --project service --password servicepassword glance
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| default_project_id | 0b826f1bf49d489494e94badc32f2cea |
| domain_id | default |
| enabled | True |
| id | 7ba2cd7240734050a856b5a12efd2312 |
| name | glance |
| options | {} |
| password_expires_at | None |
+---------------------+----------------------------------+
# add [glance] user in [admin] role [root@dlp ~(keystone)]# openstack role add --project service --user glance admin
# create service entry for [glance] [root@dlp ~(keystone)]# openstack service create --name glance --description "OpenStack Image service" image +-------------+----------------------------------+ | Field | Value | +-------------+----------------------------------+ | description | OpenStack Image service | | enabled | True | | id | 0008ec3a097f4f91b167f4135ae9b884 | | name | glance | | type | image | +-------------+----------------------------------+ # define Glance API Host [root@dlp ~(keystone)]# export controller=dlp.srv.world
# create endpoint for [glance] (public) [root@dlp ~(keystone)]# openstack endpoint create --region RegionOne image public https://$controller:9292 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | fe7e7b0600cd491cbd8dcda3fe084f6d | | interface | public | | region | RegionOne | | region_id | RegionOne | | service_id | 0008ec3a097f4f91b167f4135ae9b884 | | service_name | glance | | service_type | image | | url | https://dlp.srv.world:9292 | +--------------+----------------------------------+ # create endpoint for [glance] (internal) [root@dlp ~(keystone)]# openstack endpoint create --region RegionOne image internal https://$controller:9292 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | b0c21dcdc00b46a7aaaed2fe9a970ec0 | | interface | internal | | region | RegionOne | | region_id | RegionOne | | service_id | 0008ec3a097f4f91b167f4135ae9b884 | | service_name | glance | | service_type | image | | url | https://dlp.srv.world:9292 | +--------------+----------------------------------+ # create endpoint for [glance] (admin) [root@dlp ~(keystone)]# openstack endpoint create --region RegionOne image admin https://$controller:9292 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 307885b5ccb348ce90aaf9a613725018 | | interface | admin | | region | RegionOne | | region_id | RegionOne | | service_id | 0008ec3a097f4f91b167f4135ae9b884 | | service_name | glance | | service_type | image | | url | https://dlp.srv.world:9292 | +--------------+----------------------------------+ |
| [2] | Add a User and Database on MariaDB for Glance. |
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[root@dlp ~(keystone)]# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 16 Server version: 10.5.22-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> create database glance; Query OK, 1 row affected (0.00 sec) MariaDB [(none)]> grant all privileges on glance.* to glance@'localhost' identified by 'password'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> grant all privileges on glance.* to glance@'%' identified by 'password'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> exit Bye |
| [3] | Install Glance. |
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[root@dlp ~(keystone)]# dnf --enablerepo=centos-openstack-caracal,epel,crb -y install openstack-glance
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| [4] | Configure Glance. |
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[root@dlp ~(keystone)]# mv /etc/glance/glance-api.conf /etc/glance/glance-api.conf.org
[root@dlp ~(keystone)]#
vi /etc/glance/glance-api.conf # create new [DEFAULT] bind_host = 127.0.0.1 # RabbitMQ connection info transport_url = rabbit://openstack:password@dlp.srv.world enabled_backends = fs:file [glance_store] default_backend = fs [fs] filesystem_store_datadir = /var/lib/glance/images/ [database] # MariaDB connection info connection = mysql+pymysql://glance:password@dlp.srv.world/glance # 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 = glance password = servicepassword # if using self-signed certs on httpd for Keystone, turn to [true] insecure = false [paste_deploy] flavor = keystone [oslo_policy] enforce_new_defaults = true
[root@dlp ~(keystone)]#
[root@dlp ~(keystone)]# chmod 640 /etc/glance/glance-api.conf [root@dlp ~(keystone)]# chgrp glance /etc/glance/glance-api.conf
su -s /bin/bash glance -c "glance-manage db_sync" [root@dlp ~(keystone)]# systemctl enable --now openstack-glance-api |
| [5] | Configure Nginx for proxy settings. For SSL/TLS certificate, it's OK to use the same one with Apache httpd Keystone site. |
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[root@dlp ~(keystone)]#
vi /etc/nginx/nginx.conf # add to last line
stream {
upstream glance-api {
server 127.0.0.1:9292;
}
server {
listen 10.0.0.30:9292 ssl;
proxy_pass glance-api;
}
ssl_certificate "/etc/letsencrypt/live/dlp.srv.world/fullchain.pem";
ssl_certificate_key "/etc/letsencrypt/live/dlp.srv.world/privkey.pem";
}
systemctl restart nginx
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| [6] | If SELinux is enabled, change policy settings. |
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[root@dlp ~(keystone)]# setsebool -P glance_api_can_network on
[root@dlp ~(keystone)]#
vi glanceapi.te # create new
module glanceapi 1.0;
require {
type glance_api_t;
type keepalived_exec_t;
type mysqld_exec_t;
type mysqld_safe_exec_t;
type rpm_exec_t;
type hostname_exec_t;
type sudo_exec_t;
type httpd_config_t;
type iscsid_exec_t;
type gpg_exec_t;
type crontab_exec_t;
type consolehelper_exec_t;
type glance_port_t;
type httpd_t;
type container_runtime_exec_t;
class tcp_socket name_bind;
class dir search;
class file { getattr open read };
class lnk_file read;
}
#============= glance_api_t ==============
allow glance_api_t httpd_config_t:dir search;
allow glance_api_t mysqld_exec_t:file getattr;
allow glance_api_t mysqld_safe_exec_t:file getattr;
allow glance_api_t gpg_exec_t:file getattr;
allow glance_api_t hostname_exec_t:file getattr;
allow glance_api_t rpm_exec_t:file getattr;
allow glance_api_t sudo_exec_t:file getattr;
allow glance_api_t consolehelper_exec_t:file getattr;
allow glance_api_t crontab_exec_t:file getattr;
allow glance_api_t iscsid_exec_t:file { getattr open read };
allow glance_api_t keepalived_exec_t:file getattr;
allow glance_api_t container_runtime_exec_t:file getattr;
#============= httpd_t ==============
allow httpd_t glance_port_t:tcp_socket name_bind;
checkmodule -m -M -o glanceapi.mod glanceapi.te [root@dlp ~(keystone)]# semodule_package --outfile glanceapi.pp --module glanceapi.mod [root@dlp ~(keystone)]# semodule -i glanceapi.pp |
| [7] | If Firewalld is running, allow ports for services. |
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[root@dlp ~(keystone)]# firewall-cmd --add-port=9292/tcp success [root@dlp ~(keystone)]# firewall-cmd --runtime-to-permanent success |
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