Magnum DevStack installation

To install Magnum with DevStack for development purposes, follow these steps:

1. Create a root directory for DevStack if needed:

$ sudo mkdir -p /opt/stack$ sudo chown $USER /opt/stackClone DevStack repo:$ git clone https://git.openstack.org/openstack-dev/devstack
        /opt/stack/devstack

2. We will run DevStack with minimal local.conf settings required to enable Magnum, Heat, and Neutron:

$ cat > /opt/stack/devstack/local.conf << END[[local|localrc]]DATABASE_PASSWORD=passwordRABBIT_PASSWORD=passwordSERVICE_TOKEN=passwordSERVICE_PASSWORD=passwordADMIN_PASSWORD=password# magnum requires the following to be set correctlyPUBLIC_INTERFACE=eth1# Enable barbican service and use it to store TLS certificatesenable_plugin barbican 
    https://git.openstack.org/openstack/barbicanenable_plugin heat 
    https://git.openstack.org/openstack/heat# Enable magnum plugin after dependent pluginsenable_plugin magnum 
    https://git.openstack.org/openstack/magnum# Optional:...