[Users] Centos 6.5 host configuration script -- a tale begun

--_000_22f073c8f28e423a8959bb2687b19cb9DM2PR05MB320namprd05pro_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I have been working since Monday to get a Centos 6.5 host node added to ovi= rt. Since 6.5 is just out, I figured I might as well use the latest and gr= eatest to build my host. Today I succeeded (I think). I have not actually= added a VM to the host, but at least ovirt is willing to accept that the h= ost is part of the default cluster. My next task will be bringing up glust= er on that same node. Since I will be doing at least three more hosts, I wrote a shell script to = do a the setup that is needed to make the ovirt process succeed. No, I do not have a similar script for the engine. I got that running unde= r Centos 6.4 in a VM, without too much problem. That VM is temporarily run= ning on a KVM host (but that host is not under ovirt). Feel welcome to stare at or run my script and make any comments or observat= ions. * The script is run after a clean install of Centos 6.5 from the "minim= al" ISO. * I will try to remember what each element was there for, if anything i= s not clear. * There are probably a few (not many) things there that are not needed * Mostly they result in doing something ahead of time that ovirt was= going to do later anyway. * Feel free to point out a better way to do whatever needs to be done. * Bits and pieces of the script were stolen from googleing here and the= re. * Parts of the script were cooked up by stewing logs over low heat unti= l something useful bubbled to the top. * The number of clean reinstalls to test the script is beyond count. * I almost broke down and learned how to write a kickstart file (but= didn't). * No guarantees or representations. * So far this script has been tested on exactly one set of bare-meta= l hardware * That hardware is not server-grade. (ovirt keeps complaining bec= ause I have not configured Power Management :) * There are a few things that are personal preferences (things I instal= l on all my Linux machines) * I believe those preferences are clearly marked. * I am leaving them in because they may (incidentally) be installing= some dependencies that influence the outcome of the process. I hope to see a day when a similar script is either not needed, or is avail= able and maintained as part of the Centos distro, or as part of ovirt. Mea= nwhile we try to muddle through. I will copy my script into this webmail interface (OWA) (since I am writing= at home and this is all I have to work with) and see how bad it mangles it= . You'll probably need a wide window so that lines don't wrap, as Microsof= t thinks this OWA interface doesn't ever need to let me specify text as "pr= eformat". I called my script ov_host-start.sh # script to prepare Centos 6.5 for ovirt host install process echo "=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Ted's personal p= references--early =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D" yum -y install nano deltarpm yum-plugin-priorities yum-presto mlocate echo "=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D end of Ted'= s personal preferences--early =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D" yum -y upgrade echo "....................install some repos (if not already done).........= ........." cd /etc/yum.repos.d if [ ! -f glusterfs-epel.repo ] ; then echo "..............installing gluster repo......................." yum -y install wget wget http://download.gluster.org/pub/gluster/glusterfs/LATEST/EPEL.repo/g= lusterfs-epel.repo echo "..............done installing gluster repo.................." fi if [ ! -f el6-ovirt.repo ] ; then echo "..............installing ovirt repo......................." yum -y localinstall http://ovirt.org/releases/ovirt-release-el.noarch.rpm echo "..............done installing ovirt repo.................." fi if [ ! -f epel.repo ] ; then echo "..............installing epel repo......................." yum -y localinstall http://mirror.us.leaseweb.net/epel/6/i386/epel-releas= e-6-8.noarch.rpm echo "..............done installing epel repo.................." fi echo "........install libvirt............................" yum -y install libvirt qemu-kvm tuned echo "........install virt-manager" # with unlisted dependencies yum -y install virt-manager xorg-x11-xauth dejavu-lgc-sans-mono-fonts # create the ovirtmgmt bridge if [ ! -f /etc/sysconfig/network-scripts/ifcfg-ovirtmgmt ]; then echo "........................creating ovirtmgmt bridge.................= ....." service libvirtd start service libvirtd status virsh net-destroy default virsh net-undefine default virsh iface-bridge eth0 ovirtmgmt service network restart service libvirtd stop service libvirtd status fi echo ".........copy tuned profile..............." # copy virtual-host --> rhs-virtualization so ovirt is happy cp -r /etc/tune-profiles/virtual-host /etc/tune-profiles/rhs-virtualization yum -y install vdsm echo "=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Ted's personal p= references--late =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D" #add lines to send messages to TTY12 cat /etc/rsyslog.conf | grep tty12 if [ ! $? -eq 0 ] ; then echo ".......................Adding for tty12...................." echo " " >> /etc/rsyslog.conf echo "# Log everything to tty12" >> /etc/rsyslog.conf echo "*.* /dev/tty12" >> /etc/rsyslog.conf service rsyslog restart fi echo "...........install gkrellm.............." yum -y install gkrellm #add poll=3D0 to kill noveau messages cat /boot/grub/grub.conf | grep poll=3D0 if [ ! $? -eq 0 ] ; then echo "............................Adding poll=3D0.......................= ..." sed -i '/^[ \t]kernel*/ s/$/ drm-kms-helper.poll=3D0/g' /boot/grub/grub.= conf fi --_000_22f073c8f28e423a8959bb2687b19cb9DM2PR05MB320namprd05pro_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html<head<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"= </head<body id=3D"" tabindex=3D"0" dir=3D"ltr"<div name=3D"divtagdefaultwrapper" id=3D"divtagdefaultwrapper" style=3D"fon= t-family: Calibri,Arial,Helvetica,sans-serif; font-size: 12pt; color: #0000= 00; margin: 0"I have been working since Monday to get a Centos 6.5 host node added to ovi= rt.&nbsp; Since 6.5 is just out, I figured I might as well use the latest a= nd greatest to build my host.&nbsp; Today I succeeded (I think).&nbsp; I ha= ve not actually added a VM to the host, but at least ovirt is willing to accept that the host is part of the default clus= ter.&nbsp; My next task will be bringing up gluster on that same node.<br<brSince I will be doing at least three more hosts, I wrote a shell script to = do a the setup that is needed to make the ovirt process succeed.<br<brNo, I do not have a similar script for the engine.&nbsp; I got that running= under Centos 6.4 in a VM, without too much problem.&nbsp; That VM is tempo= rarily running on a KVM host (but that host is not under ovirt).<br<brFeel welcome to stare at or run my script and make any comments or observat= ions.<br<ul style=3D"font-family: serif; font-size: 12pt; margin-top: 0px; margin-b= ottom: 0px;"<li>The script is run after a clean install of Centos 6.5 from the &quot;mi= nimal&quot; ISO.<br</li><li>I will try to remember what each element was there for, if anythin= g is not clear.</li><li>There are probably a few (not many) things there th= at are not needed <ul<li>Mostly they result in doing something ahead of time that ovirt was goin= g to do later anyway.<br</li></ul</li><li>Feel free to point out a better way to do whatever needs to be don= e.</li><li>Bits and pieces of the script were stolen from googleing here an= d there.</li><li>Parts of the script were cooked up by stewing logs over lo= w heat until something useful bubbled to the top.</li><li>The number of cle= an reinstalls to test the script is beyond count. <ul<li>I almost broke down and learned how to write a kickstart file (but didn= 't).<br</li></ul</li><li>No guarantees or representations. <ul<li>So far this script has been tested on <b>exactly one</b> set of bare-me= tal hardware <ul<li>That hardware is not server-grade. (ovirt keeps complaining because I h= ave not configured Power Management :)</li></ul</li></ul</li><li>There are a few things that are personal preferences (things I ins= tall on all my Linux machines) <ul<li>I believe those preferences are clearly marked.</li><li>I am leaving th= em in because they may (incidentally) be installing some dependencies that = influence the outcome of the process.<br</li></ul</li></ul<brI hope to see a day when a similar script is either not needed, or is avail= able and maintained as part of the Centos distro, or as part of ovirt.&nbsp= ; Meanwhile we try to muddle through.<br<brI will copy my script into this webmail interface (OWA) (since I am writing= at home and this is all I have to work with) and see how bad it mangles it= .&nbsp; You'll probably need a wide window so that lines don't wrap, as Mic= rosoft thinks this OWA interface doesn't ever need to let me specify text as &quot;preformat&quot;.&nbsp; I called = my script ov_host-start.sh<br<br<br<font face=3D"'Courier New',monospace"># script to prepare Centos 6.5 for o= virt host install process<br<brecho &quot;=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D&nbsp; Ted's = personal preferences--early =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D&quot;<br<bryum -y install nano deltarpm yum-plugin-priorities yum-presto mlocate<br<brecho &quot;=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D end of= Ted's personal preferences--early =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D&quot;<br<bryum -y upgrade<br<brecho &quot;....................install some repos (if not already done)....= ..............&quot;<brcd /etc/yum.repos.d<brif [ ! -f glusterfs-epel.repo ] ; then<br&nbsp; echo &quot;..............installing gluster repo....................= ...&quot;<br&nbsp; yum -y install wget<br&nbsp; wget http://download.gluster.org/pub/gluster/glusterfs/LATEST/EPEL.r= epo/glusterfs-epel.repo<br&nbsp; echo &quot;..............done installing gluster repo...............= ...&quot;<brfi<br<brif [ ! -f el6-ovirt.repo ] ; then<br&nbsp; echo &quot;..............installing ovirt repo......................= .&quot;<br&nbsp; yum -y localinstall http://ovirt.org/releases/ovirt-release-el.noarc= h.rpm<br&nbsp; echo &quot;..............done installing ovirt repo.................= .&quot;<brfi<br<brif [ ! -f epel.repo ] ; then<br&nbsp; echo &quot;..............installing epel repo.......................= &quot;<br&nbsp; yum -y localinstall http://mirror.us.leaseweb.net/epel/6/i386/epel-r= elease-6-8.noarch.rpm<br&nbsp; echo &quot;..............done installing epel repo..................= &quot;<brfi<br<br<brecho &quot;........install libvirt............................&quot;<br&nbsp;&nbsp;&nbsp; yum -y install libvirt qemu-kvm tuned<brecho &quot;........install virt-manager&quot; # with unlisted dependencies<= bryum -y install virt-manager xorg-x11-xauth dejavu-lgc-sans-mono-fonts<br<br# create the ovirtmgmt bridge<brif [ ! -f /etc/sysconfig/network-scripts/ifcfg-ovirtmgmt ]; then<br&nbsp;&nbsp; echo &quot;........................creating ovirtmgmt bridge..= ....................&quot;<br&nbsp;&nbsp; service libvirtd start<br&nbsp;&nbsp; service libvirtd status<br&nbsp;&nbsp; virsh net-destroy default<br&nbsp;&nbsp; virsh net-undefine default<br&nbsp;&nbsp; virsh iface-bridge eth0 ovirtmgmt<br&nbsp;&nbsp; service network restart<br&nbsp;&nbsp; service libvirtd stop<br&nbsp;&nbsp; service libvirtd status<brfi<br<brecho &quot;.........copy tuned profile...............&quot;<br# copy virtual-host --&gt; rhs-virtualization so ovirt is happy<brcp -r /etc/tune-profiles/virtual-host /etc/tune-profiles/rhs-virtualization= <br<bryum -y install vdsm<br<brecho &quot;=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D&nbsp; Ted's = personal preferences--late =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D&quot;<br<br#add lines to send messages to TTY12<brcat /etc/rsyslog.conf | grep tty12<brif [ ! $? -eq 0 ] ; then<br&nbsp;&nbsp; echo &quot;.......................Adding for tty12............= ........&quot;<br&nbsp;&nbsp; echo &quot; &quot; &gt;&gt; /etc/rsyslog.conf<br&nbsp;&nbsp; echo &quot;# Log everything to tty12&quot;&nbsp; &gt;&gt; /etc= /rsyslog.conf<br&nbsp;&nbsp; echo &quot;*.* &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nb= sp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&n= bsp;&nbsp; /dev/tty12&quot; &gt;&gt; /etc/rsyslog.conf<br&nbsp;&nbsp; service rsyslog restart<brfi<br<brecho &quot;...........install gkrellm..............&quot;<bryum -y install gkrellm<br<br#add poll=3D0 to kill noveau messages<brcat /boot/grub/grub.conf | grep poll=3D0<brif [ ! $? -eq 0 ] ; then<br&nbsp;&nbsp; echo &quot;............................Adding poll=3D0........= ..................&quot;<br&nbsp;&nbsp; sed -i '/^[ \t]kernel*/ s/$/ drm-kms-helper.poll=3D0/g' /boot/= grub/grub.conf<brfi<br</font><br</div</body</html --_000_22f073c8f28e423a8959bb2687b19cb9DM2PR05MB320namprd05pro_--