DevStack

Use DevStack to install OpenStack with Neutron, Heat, Cinder, Swift and Ceilometer (see devstack developer guide)

What DevStack does

Warning: DevStack will massively modify your OS. Don't run on a laptop.

• Installing all prerequirement software via packages or pip
• Installing all OpenStack software via git to a specified master
• Configuring and installing working database schema
• Configuring hypervior, storage backends, networks
• Creating service ids and service catalog entries to connect all components
• Starting all OpenStack services under screen
• Creating Apache configuration for web dashboard available at 127.0.0.1
• Creats working Tempest config in /opt/stack/tempest

Install

1. Install Ubuntu 14.04 (Trusty)

2. Add stack user and give the user sudo privileges
   

   adduser stack
   apt-get install sudo -y
   echo "stack ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
   

3. Logout and login as that user

4. Download devstack liberty (or mitaka)
   

   sudo apt-get install git -y
   git clone https://git.openstack.org/openstack-dev/devstack -b stable/liberty  (*or stable/mitaka*)
   cd devstack
   

5. Create local.conf in devstack directory (see the liberty/local.conf or mitaka/local.conf file). Note: If you download devstack liberty, then choose liberty/local.conf file in order to guarantee that devstack could install the stable OpenStack Liberty. The same for OpenStack Mitaka release. If the issue happens, just delete the file ~/.config/openstack/clouds.yaml.

6. Run devstack
   

   ./stack.sh
   

7. Access the dashboard
   http://localhost/dashboard/

8. Run test examples
   

   ./devstack/exercise.sh
   

9. source openrc in your shell, and then use the openstack command line tool to manage your devstack

10. cd /opt/stack/tempest and run tempest tests that have been configured to work with your devstack.

11. Make code changes to OpenStack and validate them

Example

Main reference: HOT guide

1. The following example is a simple Heat template to deploy a single virtual system that is based on the cirros-0.3.4-x86_64-uec image:
   

heat_template_version: 2015-04-30 

description: Simple template to deploy a single compute instance

resources:
  my_instance:
    type: OS::Nova::Server
    properties:
      image: cirros-0.3.4-x86_64-uec
      flavor: m1.small

2. The following example is a simple Heat template to deploy a stack with two vm instances, by using parameters:
   

heat_template_version: 2015-04-30 

description: Simple template to deploy a stack with two vm instances

parameters:
  image_name_1: 
    type: string 
    label: Image Name 
    description: Please specify image name for instance1 
    default: Ubuntu-14.04
  image_name_2: 
    type: string 
    label: Image Name 
    description: Please specify image name for instance2 
    default: Ubuntu-14.04
  network_id:
    type: string
    label: Network ID
    description: The network to be used for compute instance

resources: 
  my_instance1: 
    type: OS::Nova::Server 
    properties: 
      image: { get_param: image_name_1 } 
      flavor: m1.small 
      networks:
        - network : { get_param : network_id }
  my_instance2: 
    type: OS::Nova::Server 
    properties: 
      image: { get_param: image_name_2 } 
      flavor: m1.small
      networks:
        - network : { get_param : network_id }