Skip to content

02. Compute: Nova

Jump to bottom
AJ NOURI edited this page Dec 23, 2016 · 17 revisions

Instances

1. (Keypair) From demo account, generate a public keypair named mypubkey1 for use with openstack instances

nova keypair-add key1 > key1.pem  
chmod 600 key1.pem  
nova keypair-list

2. (Flavor) From admin account, create a new flavor named m1.extra_tiny with

  • RAM: 64mb
  • Root disk size: 0
  • cpu: 1
. admin_rc.sh  
nova flavor-list  
nova flavor-create m1.extra_tiny auto 64 0 1 --rxtx-factor 1.0

3. Allow the tenant (project) "demo" to access the flavor

openstack project list  
nova flavor-access-add m1.extra_tiny <demo>

additional help
delete get flavor id to delete

nova flavor-list

delete flavor

nova flavor-delete <flavor-id>

4. Add new rules to the default security group "default" to allow access instances from internet through SSH, http and ICMP.

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 tcp 80 80 0.0.0.0/0    
nova secgroup-add-rule default icmp -1 -1 0.0.0.0/0

or using openstack unified client:

openstack security group list  
openstack security group rule create e8b3525e-dcae-47f0-b090-a1b62aa95a9c --protocol icmp  --ingress  
openstack security group rule create e8b3525e-dcae-47f0-b090-a1b62aa95a9c --protocol tcp --dst-port 80:80 --ingress  
openstack security group rule create e8b3525e-dcae-47f0-b090-a1b62aa95a9c --protocol tcp --dst-port 22:22 --ingress

5. Provision the following instance

  • image: cirros-0.3.4-x86_64-uec
  • flavor: m1.tiny
  • keypair: key1
  • security group: default
nova boot instance2   
--image cirros-0.3.4-x86_64-uec --flavor m1.tiny --key-name key1 --security-group default

6. Log to the machine console using the keypair key1

Get the instance IP address from nova list command

ssh -i key1.pem ubuntu@<ip>

4. Create a snapshot named "instance2-snapshot" from the running image instance2

nova image-create <instance2> <instance2-snapshot>  
nova delete <instance2>

Quotas

1. Make sure tenant demo have the following limits

  • 15 backups
  • 15 000 gigabytes
  • 15 networks
  • 15 subnets

and the user demo from tenant demo have the following limits

  • 15 cpu cores 15

  • floating ips

openstack project list

cinder quotas-usage <project-id>
cinder quotas-update --backups 15 --gigabytes 15 000 <project-id>

neutron quota-show
neutron quota-update --tenant <teanant-id> --network 15 --subnet --15

nova quota-show --tenant <tenant-id>
nova quota-update --tenant <tenant-id> --cpu <15> --floating_ips <15>

nova limits --tenant <tenant-id>

Clone this wiki locally