install openstack devstack to ubuntu 16.04

# 
# https://docs.openstack.org/newton/install-guide-ubuntu/launch-instance-provider.html
#

sudo useradd -s /bin/bash -d /opt/stack -m stack
mkdir /opt/stack/log
echo "stack ALL=(ALL) NOPASSWD: ALL" | sudo tee /etc/sudoers.d/stack
sudo su - stack
git clone https://github.com/openstack-dev/devstack.git -b stable/queens devstack/
cd devstack/
sudo ifconfig
# pick main interface's IP
# and use it as HOST_IP below
cat >  local.conf <<EOF
[[local|localrc]]
ADMIN_PASSWORD=secret
DATABASE_PASSWORD=\$ADMIN_PASSWORD
RABBIT_PASSWORD=\$ADMIN_PASSWORD
SERVICE_PASSWORD=\$ADMIN_PASSWORD
HOST_IP=10.0.2.15
RECLONE=yes
EOF
FORCE=yes ./stack.sh

# dash board is at http://<HOST_IP>/dashboard
# login as admin/secret

. openrc
nova flavor-list # openstack flavor list
glance image-list # openstack image list
neutron net-list # depricated -- use openstack network list instead, but neutron net-list shows IP addresses
openstack security group list
# have to create key for nova boot
# for more info: https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux_OpenStack_Platform/4/html/Getting_Started_Guide/Creating_or_Adding_a_Keypair.html
nova keypair-add mykey
# same as nova boot, new syntax
# use id for private net from 'openstack network list' for PRIVATE_NET_ID
openstack server create  --flavor m1.tiny --image cirros-0.3.5-x86_64-disk --nic net-id=PRIVATE_NET_ID --security-group default --key-name mykey private-instance
nova list # should show ACTIVE Running instance
openstack console url show private-instance