OpenStack 으로 구현하는 클라우드

1. OpenStack
4th days
KOSS Lab.
Mario Cho
Hephaex@gmail.com

2. Who am I ?
Development Experience
◆ Image Recognition using Neural Network
◆ Bio-Medical Data Processing
◆ Human Brain Mapping on High Performance
Computing
◆ Medical Image Reconstruction
(Computer Tomography)
◆ Enterprise System
◆ Open Source Software Developer
Open Source Software Developer
◆ Linux Kernel & LLVM
◆ OPNFV (NFV&SDN) & OpenStack
◆ Machine Learning (TensorFlow)
Book
◆ Unix V6 Kernel
Korea Open Source Software Lab.
Mario Cho
hephaex@gmail.com

3. Packstack 준비
• # yum update –y
• # setenforce 0
• # edit /etc/selinux/config -> Edit (vi or nano) selinux disabled 확인
• # # systemctl stop firewalld
• # systemctl disable firewalld
• # systemctl disable NetworkManager
• # systemctl disable NetworkManager
• # yum install gcc python-devel
• # rmp –iUvh http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-
7.8.noarch.rpm
• # yum install python-pip
• # pip install oslo.concurrency
• # pip install netifaces
• # yum install –y http://rdoproject.org/repos/openstack-liberty.rpm
• # yum install openstack-packstack
• # packstack --gen-answer-file=/root/answer.txt

4. Edit answer.txt
• # NTP Server
• CONFIG_NTP_SERVERS=<NTP_Server_IP>
• # Disable Demo Version
• CONFIG_PROVISION_DEMO=n
• # Set KeyStone Admin Password or Admin user Password
• CONFIG_KEYSTONE_ADMIN_PW=<password>
• # Config Horizon over SSL
• CONFIG_HORIZON_SSL=y
• # Disable Nagios
• CONFIG_NAGIOS_INSTALL=n

5. Packstack 설치
• # Edit (vi or nano) /root/answer.txt
• # packstack --answer-file /root/answer.txt

6. • Identity Tab –> Projects and Click on Create Project.

7. • Identify Tab–> Users–> Click on ‘Create User’

8. • Admin Tab –> Flavors –> Click on create Flavor.

9. • Specify the Flavor Name (fedora.small) , VCPU , Root
Disk , Ephemeral Disk & Swap disk.

10. Image 생성:
• Admin Tab –> Images—> Click on Create Image.

11. • Network Tab —> Click on Networks —> then Click
on Create Network

12. • Specify the Subnet name (sub-internal) and Network
Address (10.10.0.0/24)

14. Create External Network .
• Click on “Create Network” again , Specify Network
Name as “external”

15. Specify subnet Name
• as “sub-external” & Network Address as
“192.168.1.0/24”

16. Untick “Enable DHCP” option
• and Specify the ip address pool for external network.

17. create a Router.
• Network Tab –> Routers –> Click on ‘+ Create
Router’

18. • Admin Tab —> Networks–> Click on Edit Network
for “External”

19. • Network Tab —> Routers –> for Router1 click on
“Set Gateway”

20. • Click on the “router1″ and select on “interfaces” and
then click on “Add interface”

21. “Network Topology”

22. • Access & Security’ Tab —> Click on Key Pairs –>
then click on ‘Create Key Pair‘

23. “myssh-keys.pem”
• Add a new Security Group with name ‘fedora-rules’ from Access &
Security Tab. Allow 22 and ICMP from Internet ( 0.0.0.0 ).

24. • the Security Group ‘fedora-rules’ created , click on
Manage Rules and allow 22 & ICMP ping.

25. • Compute Tab –> Click on Instances –> then click on
‘Launch Instance’

26. • Click on ‘Access & Security’ and Select the Security
Group ‘fedora-rules’ & Key Pair ”myssh-keys‘

27. • Networking

28. • Once the VM is launched , Associate a floating ip so that
we can access the VM.

29. ‘Associate Floating IP‘

30. Click on Allocate IP.

31. Click on Associate

32. • Now try to access the VM with floating IP (
192.168.1.20) using keys.