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============================
Kuryr - Container networking
============================
"Kuryr is a Docker network plugin that uses Neutron to provide networking
services to Docker containers. It provides containerized images for the common
Neutron plugins. Kuryr requires at least Keystone and neutron. Kolla makes
kuryr deployment faster and accessible.
Requirements
~~~~~~~~~~~~
* A minimum of 3 hosts for a vanilla deploy
Preparation and Deployment
~~~~~~~~~~~~~~~~~~~~~~~~~~
To allow Docker daemon connect to the etcd, add the following in the
``docker.service`` file.
.. code-block:: ini
ExecStart= -H tcp://172.16.1.13:2375 -H unix:///var/run/docker.sock --cluster-advertise=172.16.1.13:2375
The IP address is host running the etcd service. ```2375``` is port that
allows Docker daemon to be accessed remotely. ```2379``` is the etcd listening
port.
By default etcd and kuryr are disabled in the ``group_vars/all/etcd.yml`` and
``group_vars/all/kuryr.yml`` files.
In order to enable them, you need to edit the file globals.yml and set the
following variables
.. code-block:: yaml
enable_etcd: true
enable_kuryr: true
Deploy the OpenStack cloud and kuryr network plugin
.. code-block:: console
kolla-ansible deploy
Create a Virtual Network
~~~~~~~~~~~~~~~~~~~~~~~~
.. code-block:: console
docker network create -d kuryr --ipam-driver=kuryr --subnet=10.1.0.0/24 --gateway=10.1.0.1 docker-net1
To list the created network:
.. code-block:: console
docker network ls
The created network is also available from OpenStack CLI:
.. code-block:: console
openstack network list
For more information about how kuryr works, see
`kuryr (OpenStack Containers Networking)
<https://docs.openstack.org/kuryr/latest/>`__.
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