cobbler summit - automated xen vm deployment
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Provisioning With Cobbler
Michael DeHaan2007
Common Provisioning Goals
Fully Automated InstallsPXEReinstalls (w/o PXE)Virtualization
Existing Solutions Are (Usually) ...
Non-comprehensiveBought ($$$) or Custom-Built ($$$)Limited In Scope
Cobbler Is...
Simple / UnifiedOpen / SharableFeature-Rich
Cobbler In Action....
Importing A DVD
cobbler check (and edit /var/lib/cobbler/settings)
cobbler import--mirror=/media/dvd--name=FC-7
Behind The Scenes
Input/usr/bin/cobbler -> /var/lib/cobbler/*
Output/tftpboot/*/var/www/cobbler/*/etc/dhcp.conf
Configuration Concepts
DistributionsProfilesSystemsRepos
Configuration Concepts
Distributionskernelinitrd
metadata
tree
arch
Configuration Concepts
Profile
distributionkickstart
repositories
metadata
Configuration Concepts
SystemMAC AddrIP (?)profilemetadata
Manual Configurations
cobbler distro addcobbler profile addcobbler system add
Viewing The Configuration
cobbler listcobbler report
PXE Setup
manage_dhcp = 1 in /var/lib/cobbler/settings& cobbler sync ...
(or just set your next-server entry)
PXE Menus
Type menuPick a profileDefault = local boot
Introducing koan
koan --list-profiles --server=bootserv.example.com
koan & reinstallation
koan --profile=FC6-x86_64-webserver --replace-self--server=bootserv.example.com
koan & virtualization
koan--virt--profile=virtual-testbed--server=bootserv.example.com
Advanced Features
...
Kernel Options
/var/lib/cobbler/settings
--kopts
Kickstart Templating
examples in /etc/cobblercobbler system add --ksmeta=foo=2 bar=8$foo $barhttp://cheetahtemplate.org/learn.html
PXE Templating
/etc/cobbler ...dhcp.templatepxedefault.templatepxeprofile.templatepxesystem.template
Repository Mirroring
cobbler repo add--name=fc6i386updates--mirror=http://...
cobbler profile add ... --repos=fc6i386updates fc6i386extras
Kickstart Tracking
/var/log/cobbler ...File RequestsSyslogcobbler status
Remote Control
cobbler enchant--address=192.168.1.100--profile=FC-7-foo--virt=yes
Summary
Unified Provisioning EnvironmentEasy to UseFeature RichFree / Open / Sharable
Useful Links
http://cobbler.et.redhat.comgit clone git://et.redhat.com/cobblergit clone git://et.redhat.com/[email protected]@redhat.com
Q&A
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