01 introduction 02 installingandbasicusage 131001060311 phpapp02

Installing and Basic Usage

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2 Installing and Basic Usage

Agenda Installing and Basic Usage

Planning the Installation Installation (node 1 - Frontend) Installation (node 2 - Worker Node) Configuration Basic Usage

Managing Hosts Images, Networks, Templates and VMs Managing Users, Quotas and ACLs Logging & Debugging


A Typical OpenNebula Environment Planning the Installation

Repository of VM images Multiple Backends (LVM, Ceph)

Monitoring,Virtualization, Storage and Network

Provides physical resources for the VMs Must have a hypervisor installed


Virtual Lab Planning the Installation

NODE 1 NODE 2


Required Software Installing

Head node ssh, ruby OpenNebula: oned, mm_sched, sunstone,

Worker nodes Hypervisor (KVM, Xen or VMWare) ssh, ruby (Xen & KVM)

Optional Storage Backends (LVM, iSCSI, Ceph, ) Networking systems (VLAN, Open vSwitch, ) Ganglia, LDAP, Apache, Nginx


Installation node 1 - Frontend Installing

Hands on (node1) ! Activate repo and Install Packages

Add QEMU drivers

Configure NFS Server

# cp /var/tmp/tutorial/opennebula.repo /etc/yum.repos.d/ # yum install opennebula-server opennebula-sunstone opennebula-node-kvm opennebula-flow

# sed -i 's/"kvm" ]/"qemu" ]/' /etc/one/oned.conf

# cat /etc/exports /var/lib/one *(rw,sync,no_subtree_check,root_squash,anonuid=9869,anongid=9869)



Hands on (node1) ! Configure Sunstone

Start Services

Quick overview of the CLI

# service nfs start # service libvirtd start # service opennebula start # service opennebula-sunstone start

# gpasswd -a oneadmin wheel # su - oneadmin $ oneuser show $ oneuser -help

# sed -i 's/127.0.0.1/0.0.0.0/' /etc/one/sunstone-server.conf



Hands on (node1) ! OpenNebula CLI Commands

$ one[TAB]

oneuser Manage Users oneimage Manage Images

onegroup Manage Groups onetemplate Manage Templates

oneacl Manage ACLs onevm Manage VMs

onehost Manage Hosts oneacct Accounting Tool

onecluster Manage Clusters onemarket Marketplace Tool

onevnet Manage Networks onedb DB Tool

onedatastore Manage Datastores


Installation node 2 Worker Node Installing

Hands on (node2) ! Activate repo and Install Packages

Configure Network, Hostname, NFS and sudo

# cp /var/tmp/tutorial/opennebula.repo /etc/yum.repos.d/ # yum install opennebula-node-kvm

# echo HOSTNAME=node2 > /etc/sysconfig/network # hostname node2 # sed -i 's/1.1.1.1/1.1.1.2/' /etc/sysconfig/network-scripts/ifcfg-br1 # ifconfig br1 1.1.1.2/24 up # mount t nfs 1.1.1.1:/var/lib/one /var/lib/one # gpasswd -a oneadmin wheel # service libvirtd start


Configure Password-less SSH Installing

Hands on! (always node1 from now on) OpenNebula needs passwordless ssh access to

all the nodes from all the nodes:

# (as oneadmin) $ ssh-keyscan node1 node2 > ~/.ssh/known_hosts # test it! $ ssh node2 $ exit $ ssh node1 $ exit


Get User Information - Sunstone Installing

Get the Sunstone Login information

Try out sunstone! http://localhost:9869

# (as oneadmin) $ cat ~/.one/one_auth oneadmin:


oned.conf Configuration

/etc/one/oned.conf (open this file and take a look!) OpenNebula Daemon:

LOG, PORT, DB Monitoring Intervals: MANAGER_TIMER, MONITORING_INTERVAL Configuration options for VMs:

VNC_BASE_PORT MAC_PREFIX (MAC IP) DEFAULT_DEVICE_PREFIX = "hd (or vd, xvd, etc)

Drivers: IM_MAD, VMM_MAD, TM_MAD, DATASTORE_MAD, HM_MAD,

AUTH_MAD Resources:

DEFAULT_UMASK VM_RESTRICTED_ATTR, IMAGE_RESTRICTED_ATTR


sched.conf Configuration

/etc/one/sched.conf (open this file and take a look!) Scheduler Daemon:

ONED_PORT, SCHED_INTERVAL, LOG Dispatch Options

MAX_VM, MAX_DISPATCH, MAX_HOST, LIVE_RESCHEDS Policy

DEFAULT_SCHED (packing, striping, load-aware, custom)


Adding Hosts - Sunstone Basic Usage Hosts

Hands on! (Sunstone) Create one host in Sunstone: node1

Virtualization: KVM Information: KVM Network: dummy Cluster: dummy

Watch transition INIT ON Click on the row for more information

Automatic gathering of monitoring data Take a look at the graphs


Adding Hosts - CLI Basic Usage Hosts

Hands on! (CLI) (always as oneadmin in the Frontend node 1)

$ onehost help $ onehost create help $ ssh node2 ls ld /var/tmp/one $ onehost create node2 -i kvm -v kvm -n dummy $ onehost list $ onehost top # Wait for ON ... and then CTRL-C $ ssh node2 ls ld /var/tmp/one $ onehost show node2 $ onehost show 1 $ onehost show -x 1


Adding Images Basic Usage Images

Hands on! (Sunstone) Create an Image in Sunstone

Name: tty Provide a Path: /var/tmp/tutorial/ttylinux.qcow2.img Advanced Driver: qcow2 Datastore: default Create!

Watch transition LOCKED READY Ownership and Permissions (ala Unix!), Size, Driver... Hands on! (CLI) $ oneimage list $ oneimage show tty # DO NOT EXECUTE THE FOLLOWING COMMAND $ oneimage create --name tty --driver qcow2 --path /var/tmp/tutorial/ttylinux.qcow2.img -d default


System Datastore Basic Usage Datastores

Hands on! (Sunstone) Inspect each Datastore: The system datastore:

Holds images for running VMs The TM_MAD (transfer manager driver) is shared which means:


Shared Datastore Basic Usage Datastores

Hands on! (Sunstone) The default datastore:

Holds images ready to be cloned or linked for VMs The DS_MAD is fs because our image is a regular file The TM_MAD (transfer manager driver) is shared which means:


Adding Networks Basic Usage Networks

Hands on! (Sunstone) Create a new Network

Name: private Type: Fixed Network IP: 192.168.0.1 -> [ENTER] -> repeat ... -> 192.168.0.4 Network Model: default Bridge: br1

br1

VM VM

Node 1 eth1

br1

Node 2 eth1

VM VM


Adding Networks Basic Usage Networks

Hands on! (Sunstone) Network extended information:

Lease Management Add, Hold and Remove Leases

Hands on! (CLI)

$ cat private2.net NAME = private2 TYPE = fixed BRIDGE = br1 LEASES = [ IP = 10.0.0.1 ] LEASES = [ IP = 10.0.0.2 ] $ onevnet create private2 $ onevnet list $ onevnet show private $ onevnet addleases private 192.168.0.105 $ onevnet hold private 192.168.0.105


Adding Templates Basic Usage Template

Hands on! (Sunstone) A template is a Virtual Machine definition ready to be instantiated It has CPU, Memory, Disks, NIC, Graphical Ports, etc... Create a new Template:

Name: ttylinux CPU: 0.1 Memory: 64M Storage: tty Network: private Input/Output: VNC + Keymap Random values in Context Custom Variables Create!


Adding Templates Basic Usage Template

Hands on! (CLI) Try the useful --dry option in the CLI

$ onetemplate create --help $ onetemplate create --name ttylinux --cpu 0.1 \ --memory 64 --disk tty --nic private --vnc --dry NAME="ttylinux CPU=0.1 MEMORY=64 DISK=[ IMAGE="tty ] NIC=[ NETWORK="private ] GRAPHICS=[ TYPE="vnc", LISTEN="0.0.0.0" ]


Instantiating Basic Usage VMs

Hands on! (Sunstone) Instantiate the template

Deploy 2 VMs Leave the name blank

Watch the transition PENDING RUNNING In which host is running each VM? vnc ( root / password) ifconfig configured using context migrate live-migrate ping the other machine


Main VM actions Basic Usage VMs

suspend VM state saved. Kept in the host.

power off (--hard) Powers off a VM. Kept in the host.

stop VM state saved. Taken to the system datastore.

undeploy (--hard) Powers off a VM. Taken to the system datastore.

reboot (--hard) Reboots the VM.

delete --recreate Cleans the VM and moves it to PENDING.

shutdown (--hard) Powers off a VM, cleans host and VM is removed from OpenNebula.

delete VM is immediately destroyed regardless of state. Recommended only for oneadmin.


Other VM actions Basic Usage VMs

Hands on! (Sunstone) VM extended information tab

Capacity - Resize VM capacity Storage - Attach new disk Network - Attach new nic

create a new network attach nic reboot Snapshot

create a file using VNC Take snapshot Modify the file Revert

Placement Actions - Schedule action Template Log


Managing Users Basic Usage Users

Hands on! (Sunstone) Create new user: testuser / testpass Click on new user Update Quotas

Enforce 1 Max VMs Add/edit quota Other possible options

limit the use of a Datastore limit the use of an Image limit the use of a Network

Apply changes! Create new ACL

We can customize any rule extending the functionality provided by the Unix ownership/group/permissions schema.


Logs Basic Usage Logging and Debugging

Logs are kept under /var/log/one oned.log: all the information related to the oned daemon. Every

request, actions and driver errors will be here. The verbosity is set by DEBUG_LEVEL in /etc/one/oned.conf

sched.log:has all the information related to the placement of Virtual Machines. If a VM is not being deployed (kept in PENDING state), this log will explain why.

.log: the log of each VM. Also accessible through Sunstone. To activate driver logs, enable ONE_MAD_DEBUG in /etc/one/defaultrc


Other Features Other Key Features in OpenNebula

Appliance Marketplace Catalog of virtual appliances Integrated with Sunstone Deployable in Private Cloud

Hybrid Cloud Computing AWS connector that enables Cloud-Bursting

Service Management (OneFlow) Automatic execution and scaling of multi-tiered applications Gain insight cloud applications

Virtual Data Centers Fully-isolated virtual infrastructures Fedaration of multiple OpenNebula Zones

Fine-Grained Accounting


We Will Be Happy to Clarify Any Question

Questions?

01 introduction 02 installingandbasicusage 131001060311 phpapp02

Documents

basic usage installation

installation installation

frontend installation

basic usage agenda

ruby opennebula

service opennebulasunstone

basic usage virtual

head node ssh