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:orphan:
Nodepool - Static
=================
The static driver allows you to use existing compute resources, such as real
hardware or long-lived virtual machines, with nodepool.
Node Requirements
-----------------
Any nodes you setup for nodepool (either real or virtual) must meet
the following requirements:
* Must be reachable by Zuul executors and have SSH access enabled.
* Must have a user that Zuul can use for SSH.
* Must have Python 2 installed for Ansible.
* Must be reachable by Zuul executors over TCP port 19885 (console log
streaming).
When setting up your nodepool.yaml file, you will need the host keys
for each node for the ``host-key`` value. This can be obtained with
the command:
.. code-block:: shell
ssh-keyscan -t ed25519 <HOST>
Nodepool Configuration
----------------------
Below is a sample Nodepool configuration file that sets up static
nodes. Place this file in ``/etc/nodepool/nodepool.yaml``:
.. code-block:: shell
sudo bash -c "cat > /etc/nodepool/nodepool.yaml <<EOF
zookeeper-servers:
- host: localhost
labels:
- name: ubuntu-xenial
providers:
- name: static-vms
driver: static
pools:
- name: main
nodes:
- name: 192.168.1.10
labels: ubuntu-xenial
host-key: "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGXqY02bdYqg1BcIf2x08zs60rS6XhlBSQ4qE47o5gb"
username: zuul
- name: 192.168.1.11
labels: ubuntu-xenial
host-key: "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGXqY02bdYqg1BcIf2x08zs60rS6XhlBSQ5sE47o5gc"
username: zuul
EOF"
Make sure that ``username``, ``host-key``, IP addresses and label names are
customized for your environment.
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