Red Hat Forum Tokyo - OpenStack Architecture
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This was presented at the Red Hat Forum in Tokyo, November 2012. It's a basic getting started with OpenStack using RDO. It's the same as the OpenStack meetups presentation from November 2012
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Red Hat Forum Tokyo - OpenStack Architecture
- 1. Deploying RDO on Red Hat Enterprise Linux Dan Radez | Sr. Software Engineer, RED HAT
- 2. What is OpenStack ● Cloud/Virtualization Platform ● Designed for standard hardware ● OpenSource
- 3. Overview
- 4. Red Hat's Community OpenStack openstack.redhat.com
- 5. PackStack: Installation Red Hat developed OpenStack installer Deployment options Features ● Interactively ● Single-host install ● Answer file ● Multi-host install ● Quick Start ● RHOS, RDO, EPEL ● All-in-one
- 6. PackStack: Installation Install Defaults ● MySQL ● Qpid ● Swift Not Installed (--os-swift-install=y) ● Neutron (--os-neutron-install=n)
- 8. Killing time while PackStack works magic Relationship between OpenStack services
- 9. Killing time while PackStack works magic Relationship between OpenStack services
- 10. Killing time while PackStack works magic Relationship between OpenStack services
- 11. Killing time while PackStack works magic Relationship between OpenStack services
- 12. Killing time while PackStack works magic Relationship between OpenStack services
- 13. Killing time while PackStack works magic Relationship between OpenStack services
- 14. Killing time while PackStack works magic Relationship between OpenStack services
- 15. Killing time while PackStack works magic Relationship between OpenStack services
- 17. Dashboard: Web Interface ● web-based interface for managing OpenStack services ● modular design for interfacing with other projects ● includes interface for all core components
- 20. Dashboard: Web Interface Login to the Dashboard http://192.168.122.101/
- 21. Help! $ keystone help $ keystone help user-create $ glance help $ glance help image-create $ nova help $ nova help boot
- 23. Keystone: Identity Management ● centralized identity service ● central catalog of services Multiple forms of authentication ● User name and password ● Token-based systems ● Amazon Web Services style logins
- 24. Keystone: Identity Management Login as admin [root@control ~]# cat keystonerc_admin export OS_USERNAME=admin export OS_TENANT_NAME=admin export OS_PASSWORD=5ffbe9d2a38d4a48 export OS_AUTH_URL=http://192.168.122.101:35357/v2.0/ export PS1="[u@h W(keystone_admin)]$ " [root@control ~]# source keystonerc_admin [root@control ~(keystone_admin)]#
- 25. Keystone: Identity Management Get a token / troubleshooting auth [root@control ~(keystone_admin)]# keystone token-get +++ | Property | Value | +++ | expires | 20130607T19:22:06Z | | id | e50158f737f14791ae7831c955524de2 | | tenant_id | 70784578887b4468adacd92f2f376bc9 | | user_id | f4270a7b46af467892173a02d9cd49d4 | +++
- 26. Keystone: Identity Management Add a User [root@control ~]# keystone user-create --name radez --pass supersecretpass id: 849616035d654b9b9a8cc38b10284a52 [root@control ~]# keystone role-create --name role1 id: 8ab4a27031084100afbafc0f95a47170 [root@control ~]# keystone tenant-create --name tenant1 Id: 427c01f33fcf4feb930f26dd550a14e0
- 27. Keystone: Identity Management Add a User [root@control ~]# keystone user-role-add --user-id radez --role-id role1 --tenant-id tenant1 [root@control ~]# keystone user-list [root@control ~]# keystone role-list [root@control ~]# keystone tenant-list [root@control ~]# keystone user-role-list [root@control ~]# keystone endpoint-list
- 28. Keystone: Identity Management Login as user [root@control ~]# cp keystonerc_admin keystonerc_radez export OS_USERNAME=radez export OS_TENANT_NAME=tenant1 export OS_PASSWORD=supersecretpass export OS_AUTH_URL=http://192.168.122.101:35357/v2.0/ export PS1="[u@h W(keystone_radez)]$ " [root@control ~]# source keystonerc_radez [root@control ~(keystone_radez)]# keystone token-get [root@control ~(keystone_radez)]# source keystonerc_admin [root@control ~(keystonerc_admin)]#
- 29. Keystone: Identity Management Add a user
- 31. Glance: Image Management ● registry for virtual machine images ● images used as templates for new servers Add an image [root@control ~]# glance image-create --name cirros --is-public 1 --disk-format qcow2 --container-format bare --file /mnt/cirros-0.3.0-x86_64-disk.img id: d3d1f38e-3f2c-4f45-91e1-cb4535f62d10 [root@control ~]# glance image-list
- 32. Glance: Image Management Image Building ● Oz ● appliance-creator ● Native glance builder in the works ● Manually (launch installer, import before first boot) Build Notes: ● Include cloudinit for post boot configuration
- 33. Glance: Image Management Add an image
- 35. Neutron: Networking ● networking as a service ● built in modular architecture Features ● Single or Multiple host deployment ● virtual network, subnet, and port abstractions ● Plugin architecture supports many network technologies
- 36. Neutron: Networking Add a network
- 38. Nova: Instance Management ● manages virtual machines on nodes ● provides virtual servers on demand Design Features ● Designed to scale horizontally ● Designed for standard hardware
- 39. Nova: Instance Management Boot an instance [root@control ~]# nova flavor-list [root@control ~]# nova keypair-add --pub-key .ssh/id_rsa.pub mykey [root@control ~]# nova keypair-list mykey | 84:6e:28:d3:75:17:ab:25:4d:f3:0d:61:93:55:ee:e2 [root@control ~]# nova image-list [root@control ~]# nova boot --flavor 1 --key_name mykey --image cirros my_instance [root@control ~]# nova list
- 40. Nova: Instance Management Boot an Instance
- 41. Nova: Instance Management Communicate with the instance [root@control ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 BOOTPROTO=static NM_CONTROLLED="no" ONBOOT=yes TYPE=Ethernet [root@control ~]# cat /etc/sysconfig/network-scripts/ifcfg-br-ex DEVICE=br-ex BOOTPROTO=static IPADDR=192.168.122.101 GATEWAY=192.168.122.1 NETMASK=255.255.255.0 NM_CONTROLLED="no" ONBOOT=no
- 42. Nova: Instance Management Communicate with the instance [root@control ~]# ovs-vsctl add-port br-ex eth0 && service network restart [root@control ~]# ovs-vsctl show Bridge br-ex Port br-ex Interface br-ex type: internal Port "eth0" Interface "eth0"
- 43. Nova: Instance Management Communicate with the instance [root@control ~]# ping 192.168.122.3 PING 192.168.122.3 (192.168.122.3) 56(84) bytes of data. 64 bytes from 192.168.122.3: icmp_seq=2 ttl=63 time=0.668 ms [root@control ~]# ssh root@192.168.122.3 The authenticity of host '192.168.122.3 (192.168.122.3)' can't be established. RSA key fingerprint is 38:49:f2:67:80:11:31:84:1f:b1:79:df:5f:e4:e5:f7. Are you sure you want to continue connecting (yes/no)? Yes Warning: Permanently added '192.168.122.3' (RSA) to the list of known hosts. $
- 44. Nova: Instance Management Allow external access
- 46. Cinder: Block Storage ● manages persistent block storage volumes ● snapshots can be taken Create and attach a volume [root@control ~]# cinder create 1 id: 4d6cbb1f-5873-4357-99c7-8ae0502e6de5 [root@control ~]# nova volume-attach my_instance 4d6cbb1f-5873-4357-99c7-8ae0502e6de5 auto
- 47. Cinder: Block Storage Mount a volume [root@control ~]# ssh -i .ssh/id_rsa root@192.168.122.3 my_instance$ sudo -i my_instance# mkfs.ext4 /dev/vdb my_instance# mkdir -p /mnt/volume my_instance# mount /dev/vdb /mnt/volume my_instance# touch /mnt/volume/test.txt my_instance# umount /mnt/volume [root@control ~]# nova volume-detach my_instance 4d6cbb1f-5873-4357-99c7-8ae0502e6de5
- 48. Cinder: Block Storage Create, attach and mount a volume
- 50. Swift: Object Storage Install Swift /root/packstack-answers-20130614-091000.txt CONFIG_SWIFT_INSTALL=n [root@control ~]# packstack --answer-file packstack.txt Generating a packstack answer file [root@control ~]# packstack --gen-answer-file answers.txt
- 51. Swift: Object Storage ● allows users to store and retrieve files ● distributed architecture to allow for horizontal scaling ● provides redundancy as failure-proofing ● data replication is managed by software
- 52. Swift: Object Storage Upload an object [root@control ~]# swift stat [root@control ~]# swift list [root@control ~]# swift upload test packstack-answers.txt [root@control ~]# swift list [root@control ~]# swift list test [root@control ~]# swift upload test /etc/motd [root@control ~]# swift list test
- 53. Swift: Object Storage Create a container & upload an object
- 54. Review