Install uv
https://docs.astral.sh/uv/getting-started/installation/

curl -LsSf https://astral.sh/uv/install.sh | sh
export PATH="$HOME/.local/bin:$PATH"

Install OpenStack client
https://releases.openstack.org/epoxy/

# Get upper constraints for the OpenStack 2025.1 release
curl https://opendev.org/openstack/requirements/raw/branch/stable/2025.1/upper-constraints.txt -fsSL -o /tmp/upper-constraints-2025.1.txt

# Install OpenStack clients
uv tool install --python 3.12 \
  python-openstackclient \
  -c "/tmp/upper-constraints-2025.1.txt" \
  --with-executables-from gnocchiclient \
  --with-executables-from osc-placement \
  --with-executables-from python-barbicanclient \
  --with-executables-from python-cinderclient \
  --with-executables-from python-cloudkittyclient \
  --with-executables-from python-designateclient \
  --with-executables-from python-glanceclient \
  --with-executables-from python-heatclient \
  --with-executables-from python-keystoneclient \
  --with-executables-from python-mistralclient \
  --with-executables-from python-neutronclient \
  --with-executables-from python-novaclient \
  --with-executables-from python-octaviaclient \
  --with-executables-from python-swiftclient

Configure BASH completion

mkdir -p ~/.local/share/bash-completion/completions
openstack complete | tee ~/.local/share/bash-completion/completions/openstack

Define OpenStack credentials

# Deploy clouds.yaml
mkdir -p ~/.config/openstack
echo "clouds: ..." > ~/.config/openstack/clouds.yaml

# Define default OS_CLOUD for ~/.config/openstack/clouds.yaml
echo "export OS_CLOUD=foo-dev" >> ~/.bashrc

Debug

openstack --version
uv tool list