magnum/doc/source/install/install-guide-from-source.rst

Install the Container Infrastructure Management service from source

Install and configure

This section describes how to install and configure the Container Infrastructure Management service, code-named magnum, on the controller node.

This section assumes that you already have a working OpenStack environment with at least the following components installed: Identity service, Image service, Compute service, Networking service, Block Storage service and Orchestration service. See OpenStack Install Guides <http://docs.openstack.org/ #install-guides>__.

To provide access to Docker Swarm or Kubernetes using the native clients (docker or kubectl respectively) magnum uses TLS certificates. To store the certificates, it is recommended to use the Key Manager service, code-named barbican <http://docs.openstack.org/project-install-guide/key-manager/ draft/>__, or you can save them in magnum's database.

Optionally, you can install the following components:

• Load Balancer as a Service (LBaaS v2) <http://docs.openstack.org/ networking-guide/config-lbaas.html>__ to create clusters with multiple masters
• Bare Metal service <http://docs.openstack.org/project-install-guide/ baremetal/draft/>__ to create baremetal clusters
• Object Storage service <http://docs.openstack.org/project-install-guide/ object-storage/draft/>__ to make private Docker registries available to users
• Telemetry Data Collection service <http://docs.openstack.org/ project-install-guide/telemetry/draft/>__ to periodically send magnum-related metrics

Important

Magnum creates clusters of compute instances on the Compute service (nova). These instances must have basic Internet connectivity and must be able to reach magnum's API server. Make sure that the Compute and Network services are configured accordingly.

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 -u root -p

   • Create the magnum database:

     CREATE DATABASE magnum;

   • Grant proper access to the magnum database:

     GRANT ALL PRIVILEGES ON magnum.* TO 'magnum'@'controller' \
       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 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.

Install and configure components

1. Install OS-specific prerequisites:

   • Ubuntu 14.04 (trusty) or higher, Debian 8:

     # apt-get update
     # apt-get install python-dev libssl-dev libxml2-dev \
                       libmysqlclient-dev libxslt-dev libpq-dev git \
                       libffi-dev gettext build-essential

   • Fedora 21 / Centos 7 / RHEL 7

     # yum install python-devel openssl-devel mysql-devel \
                   libxml2-devel libxslt-devel postgresql-devel git \
                   libffi-devel gettext gcc

   • Fedora 22 or higher

     # dnf install python-devel openssl-devel mysql-devel \
                   libxml2-devel libxslt-devel postgresql-devel git \
                   libffi-devel gettext gcc

   • openSUSE Leap 42.1

     # zypper install git libffi-devel libmysqlclient-devel \
                      libopenssl-devel libxml2-devel libxslt-devel \
                      postgresql-devel python-devel gettext-runtime gcc

2. Create magnum user and necessary directories:

   • Create user:

     # groupadd --system magnum
     # useradd --home-dir "/var/lib/magnum" \
           --create-home \
           --system \
           --shell /bin/false \
           -g magnum \
           magnum

   • Create directories:

     # mkdir -p /var/log/magnum
     # mkdir -p /etc/magnum

   • Set ownership to directories:

     # chown magnum:magnum /var/log/magnum
     # chown magnum:magnum /var/lib/magnum
     # chown magnum:magnum /etc/magnum

3. Install virtualenv and python prerequisites:

   • Install virtualenv and create one for magnum's installation:

     # easy_install -U virtualenv
     # su -s /bin/sh -c "virtualenv /var/lib/magnum/env" magnum

   • Install python prerequisites:

     # su -s /bin/sh -c "/var/lib/magnum/env/bin/pip install tox pymysql \
       python-memcached" magnum

4. Clone and install magnum:

   # cd /var/lib/magnum
   # git clone https://git.openstack.org/openstack/magnum.git
   # chown -R magnum:magnum magnum
   # cd magnum
   # su -s /bin/sh -c "/var/lib/magnum/env/bin/pip install -r requirements.txt" magnum
   # su -s /bin/sh -c "/var/lib/magnum/env/bin/python setup.py install" magnum

5. Copy policy.json and api-paste.ini:

   # su -s /bin/sh -c "cp etc/magnum/policy.json /etc/magnum" magnum
   # su -s /bin/sh -c "cp etc/magnum/api-paste.ini /etc/magnum" magnum

6. Generate a sample configuration file:

   # su -s /bin/sh -c "/var/lib/magnum/env/bin/tox -e genconfig" magnum
   # su -s /bin/sh -c "cp etc/magnum/magnum.conf.sample \
     /etc/magnum/magnum.conf" magnum

7. Edit the /etc/magnum/magnum.conf:

   • In the [DEFAULT] section, configure RabbitMQ message queue access:

     [DEFAULT]
     ...
     transport_url = rabbit://openstack:RABBIT_PASS@controller

     Replace RABBIT_PASS with the password you chose for the openstack account in RabbitMQ.

   • In the [api] section, configure the host:

     [api]
     ...
     host = CONTROLLER_IP

     Replace CONTROLLER_IP with the IP address on which you wish magnum api should listen.

   • In the [certificates] section, select barbican (or local if you don't have barbican installed):

     • Use barbican to store certificates:

       [certificates]
       ...
       cert_manager_type = barbican

     Important

     Barbican is recommended for production environments, local store should be used for evaluation purposes.

     • To use local store for certificates, you have to create and specify the directory to use:

       # su -s /bin/sh -c  "mkdir -p /var/lib/magnum/certificates/" magnum

       [certificates]
       ...
       cert_manager_type = local
       storage_path = /var/lib/magnum/certificates/

   • In the [cinder_client] section, configure the region name:

     [cinder_client]
     ...
     region_name = RegionOne

   • In the [database] section, configure database access:

     [database]
     ...
     connection = mysql+pymysql://magnum:MAGNUM_DBPASS@controller/magnum

     Replace MAGNUM_DBPASS with the password you chose for the magnum database.

   • In the [keystone_authtoken] and trust sections, configure Identity service access:

     [keystone_authtoken]
     ...
     memcached_servers = controller:11211
     auth_version = v3
     auth_uri = http://controller:5000/v3
     project_domain_name = default
     project_name = service
     user_domain_name = default
     password = MAGNUM_PASS
     username = magnum
     auth_url = http://controller:35357
     auth_type = password
     
     [trust]
     ...
     trustee_domain_name = magnum
     trustee_domain_admin_name = magnum_domain_admin
     trustee_domain_admin_password = DOMAIN_ADMIN_PASS

     trustee_domain_name is the name of the magnum domain and trustee_domain_admin_name is the name of the magnum_domain_admin user. Replace MAGNUM_PASS with the password you chose for the magnum user in the Identity service and DOMAIN_ADMIN_PASS with the password you chose for the magnum_domain_admin user.

   • In the [oslo_concurrency] section, configure the lock_path:

     [oslo_concurrency]
     ...
     lock_path = /var/lib/magnum/tmp

   • In the [oslo_messaging_notifications] section, configure the driver:

     [oslo_messaging_notifications]
     ...
     driver = messaging

   Note

   Make sure that /etc/magnum/magnum.conf still have the correct permissions. You can set the permissions again with:

   # chown magnum:magnum /etc/magnum/magnum.conf

8. Populate Magnum database:

   # su -s /bin/sh -c "/var/lib/magnum/env/bin/magnum-db-manage upgrade" magnum

9. Set magnum for log rotation:

   # cd /var/lib/magnum/magnum
   # cp doc/examples/etc/logrotate.d/magnum.logrotate /etc/logrotate.d/magnum

Finalize installation

1. Create init scripts and services:

   • Ubuntu 14.04 (trusty):

     # cd /var/lib/magnum/magnum
     # cp doc/examples/etc/init/magnum-api.conf \
       /etc/init/magnum-api.conf
     # cp doc/examples/etc/init/magnum-conductor.conf \
       /etc/init/magnum-conductor.conf

   • Ubuntu 14.10 or higher, Fedora 21 or higher/RHEL 7/CentOS 7, openSUSE Leap 42.1 or Debian 8:

     # cd /var/lib/magnum/magnum
     # cp doc/examples/etc/systemd/system/magnum-api.service \
       /etc/systemd/system/magnum-api.service
     # cp doc/examples/etc/systemd/system/magnum-conductor.service \
       /etc/systemd/system/magnum-conductor.service

2. Start magnum-api and magnum-conductor:

   • Ubuntu 14.04 (trusty):

     # start magnum-api
     # start magnum-conductor

   • Ubuntu 14.10 or higher, Fedora 21 or higher/RHEL 7/CentOS 7, openSUSE Leap 42.1 or Debian 8:

     # systemctl enable magnum-api
     # systemctl enable magnum-conductor

     # systemctl start magnum-api
     # systemctl start magnum-conductor

3. Verify that magnum-api and magnum-conductor services are running:

   • Ubuntu 14.04 (trusty):

     # status magnum-api
     # status magnum-conductor

   • Ubuntu 14.10 or higher, Fedora 21 or higher/RHEL 7/CentOS 7, openSUSE Leap 42.1 or Debian 8:

     # systemctl status magnum-api
     # systemctl status magnum-conductor

Install the command-line client

1. Install OS-specific prerequisites:

   • Fedora 21/RHEL 7/CentOS 7

     # yum install python-devel openssl-devel python-virtualenv \
                   libffi-devel git gcc

   • Fedora 22 or higher

     # dnf install python-devel openssl-devel python-virtualenv \
                   libffi-devel git gcc

   • Ubuntu/Debian

     # apt-get update
     # apt-get install python-dev libssl-dev python-virtualenv \
                       libffi-dev git gcc

   • openSUSE Leap 42.1

     # zypper install python-devel libopenssl-devel python-virtualenv \
                      libffi-devel git gcc

2. Install the client in a virtual environment:

   $ cd ~
   $ git clone https://git.openstack.org/openstack/python-magnumclient.git
   $ cd python-magnumclient
   $ virtualenv .magnumclient-env
   $ .magnumclient-env/bin/pip install -r requirements.txt
   $ .magnumclient-env/bin/python setup.py install

3. Now, you can export the client in your PATH:

   $ export PATH=$PATH:${PWD}/.magnumclient-env/bin/magnum

   Note

   The command-line client can be installed on the controller node or on a different host than the service. It is good practice to install it as a non-root user.

Next Steps

Since you have the Container Infrastructure Management service running, you can Verify Operation <http://docs.openstack.org/project-install-guide/ container-infrastructure-management/draft/verify.html>__ and Launch an instance <http://docs.openstack.org/project-install-guide/ container-infrastructure-management/draft/launch-instance.html>__.