Prerequisites

Prerequisites

Before you install and configure the Container Infrastructure Management service, you must create a database, service credentials, and API endpoints.

  1. To create the database, complete these steps:

    • Use the database access client to connect to the database server as the root user:

      # mysql
      
    • Create the magnum database:

      CREATE DATABASE magnum;
      
    • Grant proper access to the magnum database:

      GRANT ALL PRIVILEGES ON magnum.* TO 'magnum'@'localhost' \
        IDENTIFIED BY 'MAGNUM_DBPASS';
      GRANT ALL PRIVILEGES ON magnum.* TO 'magnum'@'%' \
        IDENTIFIED BY 'MAGNUM_DBPASS';
      

      Replace MAGNUM_DBPASS with a suitable password.

    • Exit the database access client.

  2. Source the admin credentials to gain access to admin-only CLI commands:

    $ . admin-openrc
    
  3. To create the service credentials, complete these steps:

    • Create the magnum user:

      $ openstack user create --domain default \
        --password-prompt magnum
      User Password:
      Repeat User Password:
      +-----------+----------------------------------+
      | Field     | Value                            |
      +-----------+----------------------------------+
      | domain_id | default                          |
      | enabled   | True                             |
      | id        | a8ebafc275c54d389dfc1bff8b4fe286 |
      | name      | magnum                           |
      +-----------+----------------------------------+
      
    • Add the admin role to the magnum user:

      $ openstack role add --project service --user magnum admin
      

      Note

      This command provides no output.

    • Create the magnum service entity:

      $ openstack service create --name magnum \
        --description "OpenStack Container Infrastructure Management Service" \
        container-infra
      +-------------+-------------------------------------------------------+
      | Field       | Value                                                 |
      +-------------+-------------------------------------------------------+
      | description | OpenStack Container Infrastructure Management Service |
      | enabled     | True                                                  |
      | id          | 194faf83e8fd4e028e5ff75d3d8d0df2                      |
      | name        | magnum                                                |
      | type        | container-infra                                       |
      +-------------+-------------------------------------------------------+
      
  4. Create the Container Infrastructure Management service API endpoints:

    $ openstack endpoint create --region RegionOne \
      container-infra public http://CONTROLLER_IP:9511/v1
    +--------------+----------------------------------+
    | Field        | Value                            |
    +--------------+----------------------------------+
    | enabled      | True                             |
    | id           | cb137e6366ad495bb521cfe92d8b8858 |
    | interface    | public                           |
    | region       | RegionOne                        |
    | region_id    | RegionOne                        |
    | service_id   | 0f7f62a1f1a247d2a4cb237642814d0e |
    | service_name | magnum                           |
    | service_type | container-infra                  |
    | url          | http://CONTROLLER_IP:9511/v1     |
    +--------------+----------------------------------+
    
    $ openstack endpoint create --region RegionOne \
      container-infra internal http://CONTROLLER_IP:9511/v1
    +--------------+----------------------------------+
    | Field        | Value                            |
    +--------------+----------------------------------+
    | enabled      | True                             |
    | id           | 17cbc3b6f51449a0a818118d6d62868d |
    | interface    | internal                         |
    | region       | RegionOne                        |
    | region_id    | RegionOne                        |
    | service_id   | 0f7f62a1f1a247d2a4cb237642814d0e |
    | service_name | magnum                           |
    | service_type | container-infra                  |
    | url          | http://CONTROLLER_IP:9511/v1     |
    +--------------+----------------------------------+
    
    $ openstack endpoint create --region RegionOne \
      container-infra admin http://CONTROLLER_IP:9511/v1
    +--------------+----------------------------------+
    | Field        | Value                            |
    +--------------+----------------------------------+
    | enabled      | True                             |
    | id           | 30f8888e6b6646d7b5cd14354c95a684 |
    | interface    | admin                            |
    | region       | RegionOne                        |
    | region_id    | RegionOne                        |
    | service_id   | 0f7f62a1f1a247d2a4cb237642814d0e |
    | service_name | magnum                           |
    | service_type | container-infra                  |
    | url          | http://CONTROLLER_IP:9511/v1     |
    +--------------+----------------------------------+
    

    Replace CONTROLLER_IP with the IP magnum listens to. Alternatively, you can use a hostname which is reachable by the Compute instances.

  5. Magnum requires additional information in the Identity service to manage COE clusters. To add this information, complete these steps:

    • Create the magnum domain that contains projects and users:

      $ openstack domain create --description "Owns users and projects \
        created by magnum" magnum
        +-------------+-------------------------------------------+
        | Field       | Value                                     |
        +-------------+-------------------------------------------+
        | description | Owns users and projects created by magnum |
        | enabled     | True                                      |
        | id          | 66e0469de9c04eda9bc368e001676d20          |
        | name        | magnum                                    |
        +-------------+-------------------------------------------+
      
    • Create the magnum_domain_admin user to manage projects and users in the magnum domain:

      $ openstack user create --domain magnum --password-prompt \
        magnum_domain_admin
        User Password:
        Repeat User Password:
        +-----------+----------------------------------+
        | Field     | Value                            |
        +-----------+----------------------------------+
        | domain_id | 66e0469de9c04eda9bc368e001676d20 |
        | enabled   | True                             |
        | id        | 529b81cf35094beb9784c6d06c090c2b |
        | name      | magnum_domain_admin              |
        +-----------+----------------------------------+
      
    • Add the admin role to the magnum_domain_admin user in the magnum domain to enable administrative management privileges by the magnum_domain_admin user:

      $ openstack role add --domain magnum --user-domain magnum --user \
        magnum_domain_admin admin
      

      Note

      This command provides no output.

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