Deploy Devstack-5 minutes a day to play OpenStack (17)

This section deploys the Devstack lab environment, including control nodes and compute nodes, as follows:

Create a virtual machine

Create Devstack-controller and Devstak-compute virtual machines according to physical resource requirements

Installing the operating system

Install Ubuntu 14.04, and configure eth0 IP devstack-controller 192.168.104.10 devstak-compute 192.168.104.11

download Code

Download the Devstack code and switch to the Stable/liberty branch

Apt-get Install Git-y
git clone https://git.openstack.org/openstack-dev/devstack-b Stable/liberty

Configure a stack user

Create a stack user

devstack/tools/create-stack-user.sh

For convenience, place the Devstack directory under/opt/stack and set permissions

MV Devstack/opt/stack
Chown-r Stack:stack/opt/stack/devstack

Switch to a stack user

Su–stack
CD Devstack

writing a Run configuration file

Under the/opt/stack/devstack directory, create the local.conf.

Devstack-controller

[[LOCAL|LOCALRC]]

Multi_host=true
HOST_IP=192.168.104.10 # Management & API Network
Logfile=/opt/stack/logs/stack.sh.log

# Credentials
Admin_password=admin
Mysql_password=secret
Rabbit_password=secret
Service_password=secret
Service_token=abcdefghijklmnopqrstuvwxyz

# Enable Neutron-ml2-vlan
Disable_service n-net
Enable_service Q-svc,q-agt,q-dhcp,q-l3,q-meta,neutron,q-lbaas,q-fwaas,q-vpn
Q_agent=linuxbridge
Enable_tenant_vlans=true
tenant_vlan_range=3001:4000
Physical_network=default

Log_color=false
logdir= $DEST/logs
screen_logdir= $LOGDIR/screen

Devstack-compute

[[LOCAL|LOCALRC]]

Multi_host=true
HOST_IP=192.168.104.11 # Management & API Network

# Credentials
Admin_password=admin
Mysql_password=secret
Rabbit_password=secret
Service_password=secret
Service_token=abcdefghijklmnopqrstuvwxyz

# Service Information
service_host=192.168.104.10
mysql_host= $SERVICE _host
rabbit_host= $SERVICE _host
glance_hostport= $SERVICE _host:9292
q_host= $SERVICE _host
keystone_auth_host= $SERVICE _host
keystone_service_host= $SERVICE _host

Ceilometer_backend=mongodb
Database_type=mysql

Enabled_services=n-cpu,q-agt,neutron
Q_agent=linuxbridge
Enable_tenant_vlans=true
tenant_vlan_range=3001:4000
Physical_network=default

# VNC Config
Nova_vnc_enabled=true
Novncproxy_url= "/http $SERVICE _host:6080/vnc_auto.html"
vncserver_listen= $HOST _ip
vncserver_proxyclient_address= $VNCSERVER _listen

Log_color=false
logdir= $DEST/logs
screen_logdir= $LOGDIR/screen

In addition, in order to speed up the installation, you can also add the following configuration to use the domestic devstack mirror site

# Use trystack git mirror
git_base=http://git.trystack.cn
Novnc_repo=http://git.trystack.cn/kanaka/novnc.git
Spice_repo=http://git.trystack.cn/git/spice/spice-html5.git

Start Deployment

Execute commands on Devstack-controller and Devstak-compute, respectively

./stack.sh

Outputs the results of each operation. The log will be written to the Stack.sh.log file.
The entire process needs to connect to the Internet, which may take a long time, and will eventually print out the relevant information after success.

Output on the Devstack-controlle

Output on the Devstack-compute

Verifying OpenStack

Below verify that OpenStack is already running browser access http://192.168.104.10/(devstack-controller IP) admin/admin Login

Click System->system information to ensure the status of each service is normal

The state of Cinder-volume here is "down" because we have not configured cinder and will let it up later.

Start OpenStack

If you restart the system, OpenStack does not start automatically and you can run the following command

CD Devstack./rejoin-stack.sh

After successful operation, each of the services of OpenStack runs in a screen in a process manner. There are several advantages to using screen:

1. You can easily switch between different services and view the logs. Because OpenStack has a lot of services, each service has its own log files. Finding logs is a very troublesome thing, screen can help us to improve efficiency.

2. When we modify a service's profile to restart the service, simply CTRL + C in the Service's screen window and then find the last command (up key) on the command line, which is the command to start the service.

Here is the screen Common command
Execute in Screen
Ctrl+a+n switch to the next window
Ctrl+a+p switch to the previous window (as opposed to ctrl+a+n)
ctrl+a+0..9 Switch to Window 0..9
Ctrl+a+d temporarily disconnects (detach) the current screen session without interrupting the program's operation

Executing in the shell
Screen-ls List all current session
Screen-r stack back to devstack this session

Delete an automatically created network

Devstack may create several test networks at deployment time, in order to get a clean environment that needs to be removed

Delete Router admin->system->routers

Delete Network Admin->system->networks

So far, we've got a clean OpenStack environment. Each module is then practiced in this environment.

Deploy Devstack-5 minutes a day to play OpenStack (17)