COA (Certified OpenStack Administrator) Cheat Sheet

This repository is a note for anyone who want to take COA (Certified OpenStack Administrator).

Cheat Sheet

Keystone

• Create User johnnyc-cli

openstack user create --domain default --project trade --description "Developer" --email johnnyc@example.com --password openstack johnnyc-cli

• Add User johnnyc-cli to Project trade with role member

openstack role add --user johnnyc-cli --project trade _member_

• Add acme-corp Domain

openstack domain create acme-corp

• Add user edgarp to domain acme-corp

openstack user create --domain acme-corp edgarp --password openstack

• Add Project development to domain acme-corp

openstack project create --domain acme-corp development

• Add group interns to domain acme-corp

openstack group create --domain acme-corp interns

• Add user edgarp into group

openstack group add user --group-domain acme-corp interns edgarp

• Add group interns into project development

openstack role add --project-domain acme-corp --project development --group interns _member_

• Add new Service with database type

openstack service create --name trove --description "OpenStack Trove" database

• Create Endpoint for database type with region

openstack endpoint create --region RegionOne database public http://192.168.56.56:8779/v1.0/
openstack endpoint create --region RegionOne database internal http://192.168.56.56:8779/v1.0/
openstack endpoint create --region RegionOne database admin http://192.168.56.56:8779/v1.0/

• Modify Quota

List all project

openstack project list

Set Quota base on project ID

Openstack quota set --instances 20 eb1a2580ea87490bbe206162ecf2fde5

Glance

• Create image cirros-cli

openstack image create --file cirros-0.3.5-x86_64-disk.img --disk-format qcow2 --min-disk 1 --min-ram 512 --property description='Cirros Cloud Image for COA Exam Prep' cirros-cli

• Download image cirros-cli

openstack image save --file /tmp/mydownloadedimage.img cirros-cli

• Share cirros-cli with marketing project

openstack image add project cirros-cli 99a06694e4444e038d632aca0cc1a89e

99a06694e4444e038d632aca0cc1a89e is marketing project ID.

Nova

• Create Flavor awesome-flavor-cli

openstack flavor create --id 200 --vcpus 1 --ram 512 --disk 1 "awesome-flavor-cli"

• Launch instance instance3-cli

openstack server create --image cirros --flavor m1.tiny --key-name my-new-keypair-cli instance3-cli

• Create snapshot from instance3-cli

openstack server image create --name instance3-cli-snapshot instance3-cli

Note : Shutdown instance first!

• Start/Stop/Suspend/Resume Instance instance3-cli

nova stop instance3-cli
nova start instance3-cli
nova suspend instance3-cli
nova resume instance3-cli

Neutron

• Membuat Network Private

openstack network create tenant-network1-cli
openstack subnet create --network tenant-network1-cli --subnet-range  192.168.1.0/24 tenant-subnet1-cli

• Membuat Network Provider

openstack network create --provider-physical-network public-cli --provider-network-type flat provider-network-cli --external
openstack subnet create --network provider-network-cli --subnet-range 172.16.1.0/24 --gateway 172.16.1.1 --no-dhcp provider-subnet-cli

• Membuat security group

openstack security group create webserver-sg-cli

• Membuat rule security group

openstack security group rule create --protocol tcp --ingress --dst-port 22 --src-ip 0.0.0.0/0 webserver-sg-cli

• Membuat router dan assign network private

openstack router create router-cli
openstack router add subnet router-cli tenant-subnet1-cli

• Assign network provider ke router

neutron router-gateway-set router-cli provider-network-cli

• Create floating ip

openstack floating ip create --floating-ip-address 172.16.1.100 provider-network-cli

• Assign floating ip

openstack server add floating ip instance1-cli 172.16.1.100

Cinder

• Membuat volume

openstack volume create --size 1 volume-cli --description "COA exam prep cli volume"

• Manage Volume

Sudo -i
Fdisk -l
Fdisk /dev/vdb
Mkfs.ext3 /dev/vdb1
Df -h
Mount /dev/vdb1 /mnt
Umount /dev/vdb1 /mnt

• Attach volume volume-cli ke instance instance-cli

openstack server add volume instance-cli volume-cli

• Membuat snapshot volume volume-cli

openstack snapshot create --name volume-snapshot-cli volume-cli

• Create volume dari snapshot

openstack volume create --snapshot volume-snapshot-cli --size 1 restored-snapshot-volume-cli

• Backup volume volume-cli ke container

openstack volume backup create --name volume-backup-cli --description "COA exam prep dashboard volume backup" --container volume-backup-
container-cli volume-cli

Swift

• Membuat container

swift post container-cli

• Mengupload file kedalam container

swift upload container-cli object-cli.txt

• Delete file dalam container

swift delete container-cli object-cli.txt

• Expired object

swift post container-cli object-cli.txt -H "X-Delete-At:1535792954"

X-Delete-At : mengeset waktu didelet
X-Delete-After : setelah xx waktu, delete!
X-Remove-Delete-At remove header delete-at

Heat

• Membuat stack stack-cli

openstack stack create -t test-stack.yaml --parameter Flavor=m1.tiny --parameter Image=<image-uuid> --parameter Net=<network-uuid> --parameter
ServerName=stackserver-cli --parameter VolumeName=stackvolume-cli stack-cli

• Update stack dengan menganti serverName

openstack stack update --existing --parameter
ServerName=stackserverupdate-cli stack-cli

• Delete stack

Openstack stack delete <stack-name>