DevStack for TXLF 2014

devstack-txlf.sh

# Login
ssh -i .ssh/id_rsa.rackspace root@my.ip.v4.address

# Install OpenStack Icehouse with DevStack
apt-get -y update
apt-get -y install curl git vim
git clone https://github.com/openstack-dev/devstack.git -b stable/icehouse devstack/
devstack/tools/create-stack-user.sh
su stack
cd
git clone https://github.com/openstack-dev/devstack.git -b stable/icehouse devstack/
cd devstack/
wget https://gist.githubusercontent.com/everett-toews/3cbbf4c3d059848ac316/raw/6a18ded87190c87ac981e8682b783bb25aa9e844/local.conf
./stack.sh

# BSB and time for Q&A

more local.conf
ls
ls exercises/
ls samples/
ls tools/

# Screen
screen -ls
sudo chmod a+rw /dev/pts/0
screen -r stack
# Exit: Ctrl+a Ctrl+d
screen -r stack
# Jump to screen number: Ctrl+a <Number> 
# Next screen: Ctrl+a Spacebar
# Scrollback: Ctrl+a Esc <PageUp/PageDn>
# Stop scrollback: Esc 
# New screen: Ctrl+a c
# Exit: Ctrl+a Ctrl+d
# screen -X -S stack quit
# screen -c stack-screenrc

# Go to the dashboard http://my.ip.v4.address
# Username: demo
# Password: devstack

# Using curl & python
TOKEN=$(curl -s -X POST http://localhost:5000/v2.0/tokens -d '{"auth": {"passwordCredentials": {"username":"demo", "password":"devstack"}, "tenantName":"demo"}}' -H "Content-type: application/json" | python -c 'import json,sys; response=json.loads(sys.stdin.read()); print response["access"]["token"]["id"]')
echo $TOKEN

# Using curl & jq
sudo wget http://stedolan.github.io/jq/download/linux64/jq -O /usr/local/bin/jq
sudo chmod a+x /usr/local/bin/jq
TOKEN=$(curl -s -X POST http://localhost:5000/v2.0/tokens -d '{"auth": {"passwordCredentials": {"username":"demo", "password":"devstack"}, "tenantName":"demo"}}' -H "Content-type: application/json" |  jq -r .access.token.id)
echo $TOKEN

# Using the command line interfaces
source /opt/stack/python-novaclient/tools/nova.bash_completion
source openrc demo demo

# Boot an instance
nova list

nova secgroup-list
nova secgroup-list-rules default
nova secgroup-add-rule default TCP 22 22 0.0.0.0/0
nova secgroup-add-rule default ICMP -1 -1 0.0.0.0/0
nova secgroup-list-rules default

nova keypair-list
nova keypair-add test > test.pem
ll test.pem
chmod 400 test.pem
ll test.pem

nova image-list
IMAGE_ID=$(nova image-list | egrep "cirros-.*-uec " | awk 'NR==1 {print $2}')
echo $IMAGE_ID

nova flavor-list
nova boot --flavor 1 --image $IMAGE_ID --key-name test --security-groups default test-vm
# use --no-public --no-service-net if you get ERROR (BadRequest): Network 0000, 1111 could not be found. (HTTP 400)
# use --poll to the boot command to Report the new server boot progress until it completes.
nova list

# For nova boot, all of the interactions that occur across services:
# http://ilearnstack.wordpress.com/2013/04/26/request-flow-for-provisioning-instance-in-openstack/

ping 10.0.0.2
ssh -i test.pem cirros@10.0.0.2
ls -al
uptime
uname -a
exit

# Database
mysql -uroot -pdevstack
show databases;
use nova;
show tables;
desc instances;
select id, display_name, vm_state from instances;
quit

# AMQP for RPC
sudo rabbitmqctl list_queues name
sudo rabbitmqctl list_exchanges name

# Go to the Rackspace Python SDK (pyrax) at http://developer.rackspace.com/#python
sudo pip install pyrax bpython

# To get the tenant id, paste it over <tenant-id> below
source openrc admin admin
keystone tenant-get demo

TENANT_ID=$(keystone tenant-get demo | grep id | awk '{print $4}')
echo $TENANT_ID

echo "[private]
identity_type = keystone
region = RegionOne
auth_endpoint = http://localhost:5000/v2.0/
tenant_id = $TENANT_ID
debug = True" > ~/.pyrax.cfg

more ~/.pyrax.cfg

bpython
  import pyrax
  pyrax.set_credentials("demo", "devstack")
  pyrax.regions
  pyrax.cloudservers.list()
  pyrax.cloudservers.list_images()
  exit()

# Clean up
source openrc demo demo
nova list
nova list | grep test | awk '{print $2}' | xargs -n 1 nova delete