04-shell_script.txt

# Create a userdata script
cat > ~/userdata.txt <<EOF
#!/bin/sh
echo "Hello World. The time is now \$(date -R)!" | tee /home/cirros/output.txt
EOF

# Boot an instance using userdata script
nova boot --image cirros --flavor m1.summit --user-data userdata.txt myuserdatainstance

# List instances, notice status of instance
nova list

# View console log of instance
nova console-log myuserdatainstance

# Get VNC console
nova get-vnc-console myuserdatainstance novnc

# Open the URL in your browser.
# username: cirros
# password: cubswin:)

# View file
sudo cat output.txt

# From the instance, query the Metadata service.
# You should be able to see the user data
curl 169.254.169.254/openstack/latest/user_data

# Log out of instance
exit

######!!!From Your SSH Session!!!######
# Delete the instance
nova delete myuserdatainstance