Installing RHEV Manager
This is a continuation of RHEV 3 Cook Book Part 1. Please Read My Post http://rcritical.blogspot.com/2011/09/rhev-3-cookbook.html before setting up your RHEV Manager and follow further subsequent Steps of this Post if you are new to RHEV.
Once you have the
working DNS Set up Ready to use with RHEV Manager and the Optional IPA
Directory Service to attach with RHEV Manager for Providing Multi Admin
User Access to user RHEV Manager UI, Its time to jump to start the rhevm
set up tool.
Login
in as root to the RHEL 6.1 Machine which is going to act as a RHEV
Manager and run the rhevm-setup and follow the On Screen Instruction to
finish the manager set up.
At any Point of time if you want to refer the installation log you can refer /var/log/rhevm/rhevm-setup_Year__Date_Time.log
which will get created the moment you start run the rhevm-setup tool.
Note:
Values in Bold Can be Changed as relevant to your environment.
Most of the time leaving values to default is sufficient if you in
case you need any change set up tool will you to do that as well.
All below set up information are captured as a screen shot for your
reference. Check below after this rhevm-setup.
#
rhevm-setup
Welcome
to RHEV Manager setup utility
HTTP
Port [8080] : ##Change as per your requirement else leave
default
HTTPS
Port [8443] : ##Change as per your requirement else leave default
Host
fully qualified domain name, note that this name should be fully
resolvable [rhevmanager.rhev3.in] : ##Change as per your
requirement else leave default
Password
for Administrator (admin@internal) : ##Feed Admin Password
Confirm
password : ##Re Feed the password to Confirm
Database
password (required for secure authentication with the locally created
database) : ##Feed Postgresql rhevm db password
Confirm password
: ##Re Feed Postgresql rhevm db password
Organization
Name for the Certificate: PAPS ##your organization name
The default
storage type you will be using ['NFS'| 'FC'| 'ISCSI'] [NFS] : FC
##your default storage type FC in our case
Should
the installer configure NFS share on this server to be used as an ISO
Domain? ['yes'| 'no'] [yes] : no
##rhev
need nfs disk to store all software dumps required for os
installation and other third party software installation if you have
sufficient disk space on the rhevm server by saying yes you need to
provide the export path and this will create a nfs iso export disk on
the same rhevm instance instead of using other standalone NFS
Server to store all your ISO Dumps.
Firewall ports
need to be opened.
You
can let the installer configure iptables automatically overriding the
current configuration. The old configuration will be backed up.
Alternately
you can configure the firewall later using an example iptables file
found under /usr/share/rhevm/conf/iptables.example
Configure
iptables ? ['yes'| 'no']: yes
RHEV
Manager will be installed using the following configuration:
=================================================================
http-port:
8080
https-port:
8443
host-fqdn:
rhevmanager.rhev3.in
auth-pass:
********
db-pass:
********
org-name:
PAPS
default-dc-type:
FC
override-iptables:
yes
Proceed
with the configuration listed above? (yes|no):yes
=================================================================
By Accepting all info as Yes the set up tool will start the rhevm installation
Check the Screen Shot of the Complete above steps i captured for your reference.
After
few minutes you will see post installation Information as similar like
the one in below screen shot. You can refer the rhevm set up log for
installation details and errors if any.
You
are Done Now its the time to Log in to the RHEV Manager UI. For
supported Browser You can check the Client Requirement section of the
blog to access Admin and User Portal.
Point your Browser
to http://rhevmanager.rhev3.in:8080/ and you will see a single
consolidated UI to access various RHEV Web Services.
Now Click on Administrator portal (http or https) and it will ask
you to install CA and Application Certificate once for first time.
Install Application Certificate and Finish.
Now if you select
Click to Here Run Administrator Portal it will take you the RHEV
Manager Login Screen.
Log in With the
admin user with the password you provided during the
rhevm set up tool and you can See Domain set as internal by default.
Yes admin is the internal user created by rhevm set up tool for
the Admin Purpose.
Later we can see
how to join RHEVM With Directory Services Especially with the IPA set
up we had done in RHEV 3 Cook Book.
OK now we can set
up the Hypervisor Part and then we will switch back to RHEV Manager
UI and See Creating a new Data Centre, Cluster, Adding Host,
Attaching Storage and Spindling up Virtual Machines and More Later in
the blog section
Setting up Hyperviors
As
far as Hypervisor Set up is Concerned you can use either Bare metal
Hypervisor build on the same code of RHEL6 designed and trimmed
down to 125MB Foot Print for virtualization specific work loads or
you can use RHEL 6 Operating System as a Hypervisor. I am going to
explain you the later part that is adding RHEL6.1 Host as an
Hypervisor and will cover setting up Bare metal RHEV-H Deployment in
a Separate Blog.
Adding RHEL6 Host
Install
Minimal Base RHEL6.1 X86_64 Bit on a VT Enabled Hardware.
Ensure
host name under /etc/hosts and /etc/resolv.conf set up
properly and both forward and lookup works from this host with out
any errors.
Set
selinux in enforcing mode. Check it by using the below command and
you should get "Enforcing" as output.
#getenforce
Enforcing
If
selinux shows disbaled open the file /etc/selinux/config and
change SELINUX=disabled to SELINUX=Enforcing
Register
it to RHN
#rhn_register
Subscribe
to rhel-x86_64-rhev-mgmt-agent-6-beta
#
rhn-channel --add --channel=rhel-x86_64-rhev-mgmt-agent-6-beta
Run
the below command and Verify the Host is subscibed to appropriate
channels.
#
yum repolist
Loaded
plugins: product-id, rhnplugin, subscription-manager
Updating
Red Hat repositories.
repo
id repo name status
rhel-x86_64-rhev-mgmt-agent-6-beta
Red Hat Enterprise Virt Management Agent Beta (v 6 x86_64) 0
rhel-x86_64-server-6
Red Hat Enterprise Linux Server (v. 6 for 64-bit x86_64) 0
repolist:
0
#
Open
Required Firewall ports by putting below in simple bash script and
execute so that it will set required firewall rules
#sh
/root/set-iptables.sh
#cat
/root/set-iptables.sh
#!/bin/sh
iptables-save
> /opt/iptables-default.txt
iptables
-F
iptables
--append INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables
--append INPUT -p icmp -j ACCEPT
iptables
--append INPUT -i lo -j ACCEPT
iptables
--append INPUT -p tcp --dport 22 -j ACCEPT
iptables
--append INPUT -p tcp --dport 16514 -j ACCEPT
iptables
--append INPUT -p tcp --dport 54321 -j ACCEPT
iptables
--append INPUT -p tcp -m multiport --dports 5634:6166 -j ACCEPT
iptables
--append INPUT -p tcp -m multiport --dports 49152:49216 -j ACCEPT
iptables
--append INPUT -j REJECT --reject-with icmp-host-prohibited
iptables
--append FORWARD -m physdev ! --physdev-is-bridged -j REJECT
--reject-with icmp-host-prohibited
/etc/init.d/iptables
save
chkconfig
iptables on
chkconfig
ip6tables off
chkconfig
--list iptables
chkconfig
--list ip6tables
[root@hyp2-dl580g5
network-scripts]
Next
configure sudo to enable root to execute all commands since RHEVM
make use of sudo to perform operation of virtualization host
Edit
/etc/sudoers and append the below two lines at the bottom
sudoedit
/etc/sudoers
#
Allow root to run any commands anywhere
root
ALL=(ALL) ALL
Make
sure ssh is enabled for root
Reboot
and Verify all your settings are persist up on reboot and if so Now
your Host is Ready to Add in to the RHEV.
Please Refer below Link for setting up of Data Centre, Cluster, Adding Host, Creating Virtual Machines,Snapshots, Templates and User and other advanced stuffs on my following Part 3 Series of RHEV
Cookbook.
