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bacio.pl
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bacio.pl
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#!/usr/bin/env perl
use Mojolicious::Lite;
use Data::Dumper;
use YAML::XS qw/LoadFile/;
helper bootserver => sub {
my $self = shift;
my $url_host = $self->req->headers->header('host');
return $url_host;
};
helper db => sub {
my $self = shift;
my $dir = $self->app->home;
my $data = {};
eval { $data = LoadFile("$dir/hosts.yaml") };
if ( $@ ) {
$self->app->log->debug
("*** Problem loading data file: $dir/hosts.yaml ***");
}
return $data;
};
helper mac => sub {
my ($self, $passed_mac) = @_;
# turn it all into lowercase, and turn separators into dashes
(my $mac = lc($passed_mac)) =~ s/ : | \. /-/gx;
$self->app->log->debug("*** Normalised MAC from helper: $mac ***");
return $mac;
};
get '/' => sub {
my $self = shift;
$self->res->headers->header('X-Hello' => 'Bacio on Mojo');
$self->render(text => 'Mojo Bacio');
};
get '/dumpdb' => sub {
my $self = shift;
$self->render(text => Dumper $self->db);
};
get '/ks' => (agent => qr/Safari/) => sub {
my $self = shift;
# $self->render(text => 'Use from cmdline');
my $request = $self->bootserver;
$self->render(text => "$request");
};
get '/ks' => sub {
my $self = shift;
my ($mac, $hdr_line);
my $kickstart = {};
$hdr_line = $self->req->headers->header('X-RHN-Provisioning-MAC-0');
if ( $hdr_line ) {
$hdr_line =~ s/^\w+ \s+?//x;
$mac = $self->mac($hdr_line);
my $hostname = $self->db->{$mac}->{name};
if (! $hostname ) {
$self->render(text => "MAC not found\n");
}
else {
my $db = $self->db;
my $osrel = $db->{$mac}->{osrel};
(my $majver = $osrel) =~ s/\..//;
my $cm = $db->{$mac}->{cm};
my $lvm = $db->{$mac}->{lvm};
my $patch = $db->{$mac}->{patch};
my $url = $db->{$osrel}->{url};
my $server = $db->{$osrel}->{server};
$kickstart->{'url'} = $url;
$kickstart->{'server'} = $server;
$kickstart->{'fstype'} = $majver == '6' ? 'ext4' : 'ext3';
$kickstart->{'pm'} = 'PMSERVER';
$self->stash(
bootserver => $self->bootserver,
cm => $cm,
lvm => $lvm,
patch => $patch,
hostname => $hostname,
kickstart => $kickstart,
majver => $majver,
arch => 'x86_64',
);
$self->render(template => 'ks', format => 'txt');
}
}
else {
$self->render(text => 'No X-RHN-Provisioning-MAC-0 header');
}
};
get '/pxe/:mac' => sub {
my $self = shift;
my $mac = $self->mac( $self->param('mac') );
my $db = $self->db;
my $osver = $db->{$mac}->{osrel};
my $url = $db->{$osver}->{url};
my $server = $db->{$osver}->{server};
my $kernel = $url . '/images/pxeboot/vmlinuz';
my $initrd = $url . '/images/pxeboot/initrd.img';
$self->stash(
bootserver => $self->bootserver,
server => $server,
url => $url,
kernel => $kernel,
initrd => $initrd,
);
$self->render(template => 'pxe', format => 'txt');
};
get '/kspost/:mac' => sub {
my $self = shift;
my $mac = $self->mac( $self->param('mac') );
my $db = $self->db;
my $osrel = $self->db->{$mac}->{osrel};
(my $majver = $osrel) =~ s/\..//;
$self->stash( majver => $majver );
$self->render(template => 'postpl', format => 'txt');
};
app->secrets('**CHANGEME**');
app->config(hypnotoad => {listen => ['http://127.0.0.1:8080']});
app->start;
__DATA__
@@ layouts/default.html.ep
<!DOCTYPE html>
<html>
<head><title><%= title %></title></head>
<body><%= content %></body>
</html>
@@ ks.txt.ep
# Kickstart configuration for base RHEL-derived Linux install
install
% if ( $kickstart->{url} =~ /cdrom/ ) {
cdrom
% } else {
url --url http://<%= $kickstart->{server} %><%= $kickstart->{url} %>/<%= $arch %>
% }
lang en_GB.UTF-8
keyboard uk
text
network --bootproto dhcp --noipv6 --hostname=<%= $hostname %>
# this rootpw is 'vagrant'
rootpw --iscrypted $1$8CLWH1$y8nKfSP7dzQY19LZf0kxb0
firewall --disabled
authconfig --enableshadow --enablemd5
selinux --permissive
services --disabled avahi-daemon,avahi-dnsconfd,bluetooth,cups,gpm,iscsi,iscsid,nfslock,portmap,rpcidmapd,xfs,pcscd
services --enabled ntpd
timezone --utc Europe/London
bootloader --location=mbr
firstboot --disabled
reboot
zerombr
clearpart --all --initlabel
part swap --size=128 --asprimary
part /boot --fstype <%= $kickstart->{fstype} %> --size=200
% if ( $lvm ) {
part pv.01 --size=1 --grow
volgroup vg0 pv.01
logvol / --vgname=vg0 --fstype=<%= $kickstart->{fstype} %> --size=1 --grow --name=lvroot
logvol /var --vgname=vg0 --fstype=<%= $kickstart->{fstype} %> --size=1024 --name=lvvar
% } else {
part / --fstype <%= $kickstart->{fstype} %> --size=1 --grow
part /var --fstype <%= $kickstart->{fstype} %> --size=1024
% }
# EPEL
repo --name=epel --baseurl=http://www.mirrorservice.org/sites/dl.fedoraproject.org/pub/epel/<%= $majver %>/<%= $arch %>
% if ( $cm ) {
# Puppet
repo --name=puppetdepends --baseurl=http://yum.puppetlabs.com/el/<%= $majver %>/dependencies/<%= $arch %>
repo --name=puppetlabs --baseurl=http://yum.puppetlabs.com/el/<%= $majver %>/products/<%= $arch %>
% }
%%packages
@core
% if ( $majver == 6 ) {
bind-libs
bind-utils
perl-CPAN
perl-Module-CoreList
% } else {
bind97-libs
bind97-utils
gnupg2
% }
# From EPEL
perl-Inline-Files
% if ( $cm ) {
augeas
facter
puppet
ruby-augeas
ruby-shadow
ruby-ri
# From EPEL
rubygems
% }
# From EPEL
epel-release
ntp
openssh-clients
openssh-server
# From EPEL (if osrel = 5)
git
libselinux-python
redhat-lsb
rsync
kernel-devel
rsync
rsyslog
sudo
sysstat
telnet
vim-enhanced
virt-what
-dmraid
-apmd
-aspell
-aspell-en
-autofs
-bluez-bluefw
-bluez-hcidump
-bluez-libs
-bluez-utils
-dapl
-desktop-file-utils
-diskdumputils
-dos2unix
-dosfstools
-dump
-eject
-finger
-ftp
-gpm
-htmlview
-ibmasm
-indexhtml
-ipsec-tools
-irda-utils
-isdn4k-utils
-jpackage-utils
-kernel-ib
-kernel-smp
-krb5-workstation
-lftp
-libgssapi
-libibverbs
-libmthca
-librdmacm
-libsdp
-libwvstreams
-lksctp-tools
-m4
-mailcap
-mailx
-minicom
-mt
-mtr
-mt-st
-nano
-nfs
-nfs-utils-lib
-nscd
-nss_ldap
-numactl
-OpenIPMI
-OpenIPMI-libs
-pam_ccreds
-pam_krb5
-pam_passwdqc
-pam_smb
-parted
-pcmcia-cs
-pdksh
-pinfo
-ppp
-procmail
-rdist
-redhat-menus
-rhpl
-rmt
-rp-pppoe
-rsh
-sendmail
-setarch
-specspo
-sysreport
-talk
-tcsh
-unix2dos
-up2date
-vconfig
-wireless-tools
-wvdial
-xorg-x11-libs
-xorg-x11-Mesa-libGL
-ypbind
-yp-tools
%%pre
ntpdate ntp.linx.net
hwclock --systohc
%%post --log=/root/ks-post.log
ip=$(/sbin/ifconfig eth0 | /usr/bin/perl -ne 'print $1 if /addr:( (\d{1,3}\.){3} \d{1,3} )/x')
mac=$(/sbin/ifconfig eth0 | /usr/bin/perl -ne 'print $1 if /HWaddr \s ((?:\w{2}
:){5} \w{2})/x')
curl -s http://<%= $bootserver %>/kspost/${mac} -o /root/post.pl
% if ( $patch ) {
if [[ $(file /root/post.pl | grep -c 'perl') -eq 1 ]]; then
perl /root/post.pl --default
else
echo "Download of post.pl failed. Not running %post tasks"
fi
% }
echo "IP: ${ip}" >> /etc/issue
% if ( $cm ) {
# puppet agent -t --pluginsync true --ssldir=\$confdir/ssl --server=<%= $kickstart->{pm} %> --waitforcert 15 --color=false --certname=<%= $hostname %> --tags bootstrap
% }
@@ pxe.txt.ep
#!ipxe
kernel -n img http://<%= $server %><%= $kernel %> ks=http://<%= $bootserver %>/ks kssendmac
initrd http://<%= $server %><%= $initrd %>
boot img
@@ postpl.txt.ep
#!/usr/bin/env perl
#
# Inline::Files breaks 3 opt version of 'open' as it overrides the built in.
# So, use IO::File to get around it. Sorted.
#
use strict;
use warnings;
use v5.10;
use Carp;
use File::Path qw(make_path);
use Getopt::Long qw(:config no_ignore_case);
use Inline::Files;
use IO::File;
use Pod::Usage;
use POSIX qw(WIFEXITED);
use Sys::Hostname;
use Tie::File;
use Time::localtime;
(my $hostname = hostname) =~ s/\..*//; # get short form hostname
my $progname = 'post.pl';
my %options = ();
my $osname = $^O; # linux/darwin
my $tm = localtime;
if ( $osname ne 'linux' ) {
croak 'Only supported on Linux';
}
# ! on an options means toggles with [no]
GetOptions(\%options,
'breakglass',
'default',
'help|?',
'hosts!',
'patch!',
'svcs!',
'rsvcs!',
);
unless ( keys %options ) { pod2usage(1) };
foreach ( keys %options ) {
when ( 'default' ) {
blankrsvcs();
breakglass();
patchhost();
}
when ( 'patch' ) { patchhost() }
when ( 'breakglass' ) { breakglass() }
default { say "Unknown option: $_" }
}
exit;
##
## subroutines
##
# Add an SSH key to root. Currently the Vagrant insecure key. Should be blanked
# after setup
sub breakglass {
my $key = <SSHKEY>;
my $keyfile = '/root/.ssh/authorized_keys';
my %path_opts = ( owner => 'root', group => 'root', mode => 0700 );
make_path('/root/.ssh', \%path_opts);
my $fh = new IO::File "> $keyfile";
if ( defined $fh ) {
print 'Adding break glass SSH key...';
say $fh $key;
$fh->close;
say 'done';
}
return;
}
# patchhost
# Apply latest updates
sub patchhost {
my @cmd = ( '/usr/bin/yum', '-y', 'update' );
WIFEXITED( system(@cmd) ) or croak "Couldn't run yum update: $!\n";
my $exitcode = $? >> 8;
if ($exitcode ne 0) {
printf "yum update did not exit cleanly. Quit with code %d\n", $exitcode;
}
return;
}
# fixhosts
# Add an entry for 'master' to the hosts file, coz we haven't got DNS yet.
# This won't be in the final release of the build and is therefore totally
# dumb
sub fixhosts {
my $hosts = '/etc/hosts';
my $mgmtsvr; # FIX THIS!!
my $fh = new IO::File $hosts, '+<';
if ( defined $fh ) {
say $fh "$mgmtsvr\tmaster";
}
$fh->close;
}
# blankrsvcs
# Ensures no r-services can be setup
sub blankrsvcs {
my @list =
('/root/.rhosts','/.rhosts','/root/.netrc','/.netrc','/etc/hosts.equiv');
print 'Blanking r-services...';
foreach my $dir (@list) {
if (! -d $dir) {
system ('mkdir', $dir);
system ('chmod', '0', $dir);
system ('chattr', '+i', $dir);
}
}
say 'done';
return;
}
=head1 NAME
B<post.pl> - Kickstart %post tasks
=head1 SYNOPSIS
post.pl [options]
--default
--breakglass put the SSH root breakglass key in place
--patch patch the host to current levels using yum update
--help
=head1 DESCRIPTION
Kickstart post install tasks. --default will run yum update.
=head1 EXAMPLE
%%post
post.pl --default
=cut
__SSHKEY__
ssh-rsa PUT_PROPER_KEY_IN_HERE <comment>