OpenNebula public and private cloud management

1. OpenNebula
public and private cloud management
!
Martin Alfke
<martin.alfke@buero20.org>
© Martin Alfke - 2014

2. OpenNebula
- general •
management of virtualization
servers
•
management of network
interfaces
•
management of VM’s
© Martin Alfke - 2014

3. OpenNebula
- general -
© Martin Alfke - 2014

4. OpenNebula
- backends •
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virtualization
storage
image
© Martin Alfke - 2014

5. OpenNebula
- virtualization backends •
supported virtualization backends
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KVM
VMware
Xen
public clouds (AWS/Rackspace/…)
© Martin Alfke - 2014

6. OpenNebula
- storage backends •
supported storage backends
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local storage
NFS
iSCSI
Ceph
© Martin Alfke - 2014

7. OpenNebula
- image backends •
supported image backends
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LVM
qcow2
ceph blocks
© Martin Alfke - 2014

8. OpenNebula
- components •
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management node
compute server
© Martin Alfke - 2014

9. OpenNebula
- components •
management node
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opennebula (required)
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vnc proxy (optional)
apache + passenger (sunstone web gui optional)
mysql db (required)
user: oneadmin + ssh key (required)
© Martin Alfke - 2014

10. OpenNebula
- components •
compute server
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libvirtd
user: oneadmin + authorized key file
sudoers (bridgectl, …)
policykit (RH) / user permissions for /dev/qemu
(Debian)
© Martin Alfke - 2014

11. OpenNebula
- workflow •
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network
image
contextualization
template
vm
hooks
© Martin Alfke - 2014

12. OpenNebula
- workflow •
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network
image
contextualization
template
vm
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802.1q
ebtables
open vswitch
dummy (nat)
hooks
© Martin Alfke - 2014

13. OpenNebula
- workflow •
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network
image
contextualization
template
vm
hooks
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has to be created in advance
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copy large images directly
from management node, not
from your workstation
needs one-context package
or cloud-init (v0.7.3 or
newer)
© Martin Alfke - 2014

14. OpenNebula
- workflow •
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network
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changes the defaults from
the image (hostname,
network settings, ssh pub
key, …
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can be extended by own
scripts
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vm gets a carom device with
contextualisation
information
image
contextualization
template
vm
hooks
© Martin Alfke - 2014

15. OpenNebula
- workflow •
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network
image
contextualization
template
•
combines network, image
and hardware (cpu, ram)
vm
hooks
© Martin Alfke - 2014

16. OpenNebula
- workflow •
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network
image
contextualization
template
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vm is started by selecting a
desired template
vm
hooks
© Martin Alfke - 2014

17. OpenNebula
- workflow •
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network
image
contextualization
template
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on create or on delete
hooks: dns management,
puppet cert management
vm
hooks
© Martin Alfke - 2014

18. OpenNebula
- GUI / CLI •
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CLI
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user needs auth token in ~/.one_auth.conf
one* commands
GUI
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sunstone webinterface
can be connected to LDAP
© Martin Alfke - 2014

19. OpenNebula
- GUI / CLI -
© Martin Alfke - 2014

20. OpenNebula
- GUI / CLI -
© Martin Alfke - 2014

21. OpenNebula
- GUI / CLI -
© Martin Alfke - 2014

22. OpenNebula
- GUI / CLI -
© Martin Alfke - 2014

23. OpenNebula
- GUI / CLI -
© Martin Alfke - 2014

24. OpenNebula
- GUI / CLI -
© Martin Alfke - 2014

25. OpenNebula
- GUI / CLI -
© Martin Alfke - 2014

26. Kontextualisierung
# Context variables generated by OpenNebula
DISK_ID='1'
ETH0_DNS='10.175.4.11'
ETH0_GATEWAY='10.175.16.1'
ETH0_IP='10.175.24.1'
ETH0_MASK='255.255.240.0'
ETH0_NETWORK='10.175.16.0'
FILES_DS='/var/lib/one/datastores/2/
ef48a35be2d8723ef7788175be6087eb:'''init.sh''' '
HOSTNAME='martin.xxxxxxxxx'
NETWORK='YES'
TARGET='hdb'
© Martin Alfke - 2014

27. OpenNebula
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VirtualBox Demo
© Martin Alfke - 2014