Write information about the node group to /etc/nodepool, along with an ssh key generated specifically for the node group. Add an optional script that is run on each node (and sub-node) for a label right before a node is placed in the ready state. This script can use the data in /etc/nodepool to setup access between the nodes in the group. Change-Id: Id0771c62095cccf383229780d1c4ddcf0ab42c1b
Nodepool is a service used by the OpenStack CI team to deploy and manage a pool of devstack images on a cloud server for use in OpenStack project testing.
sudo apt-get -qy install git mysql-server libmysqlclient-dev g++ python-dev libzmq-dev python-pip mkdir src cd ~/src git clone git://git.openstack.org/openstack-infra/config git clone git://git.openstack.org/openstack-infra/nodepool cd nodepool sudo pip install -U -r requirements.txt sudo pip install -e .
If you're testing a specific patch that is already in gerrit, you will also want to install git-review and apply that patch while in the nodepool directory, ie:
git review -x XXXXX
Create or adapt a nodepool yaml file. You can adapt an infra/config one, or fake.yaml as desired. Note that fake.yaml's settings won't Just Work - consult ./modules/openstack_project/templates/nodepool/nodepool.yaml.erb in the infra/config tree to see a production config.
If the cloud being used has no default_floating_pool defined in nova.conf, you will need to define a pool name using the nodepool yaml file to use floating ips.
Set up database:
mysql -u root mysql> create database nodepool; mysql> GRANT ALL ON nodepool.* TO 'nodepool'@'localhost'; mysql> flush privileges;
Export variable for your ssh key so you can log into the created instances:
export NODEPOOL_SSH_KEY=`cat ~/.ssh/id_rsa.pub`
Start nodepool with a demo config file (copy or edit fake.yaml to contain your data):
export STATSD_HOST=127.0.0.1 export STATSD_PORT=8125 nodepoold -d -c tools/fake.yaml
All logging ends up in stdout.
Use the following tool to check on progress:
After each run (the fake nova provider is only in-memory):
mysql> delete from snapshot_image; delete from node;