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#! /usr/bin/env perl
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use strict;
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use warnings;
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# install.pl
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#
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# installer for perl script, in this case, sysinfo
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#
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# Revision history
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#
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# Version 1.1.7 20161010 RWR
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# Added ability to validate required libraries are installed
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#
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our $VERSION = '1.1.6';
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# find our location and use it for searching for libraries
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BEGIN {
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use FindBin;
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use File::Spec;
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use lib File::Spec->catdir($FindBin::Bin);
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}
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use sysinfoconf;
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use File::Basename;
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use Getopt::Long;
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Getopt::Long::Configure ("bundling"); # allow -vd --os='debian'
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use Data::Dumper;
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# $verbose can have the following values
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# 0 - do everything
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# 1 - Do everything except the install, display what would be done
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# 2 - Be verbose to STDERR
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# 3 - Be very verbose
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my $verbose = 0; # if test mode, simply show what would be done
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my $dryRun = 0;
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my $os;
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my $help = 0;
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my $version = 0;
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my $status; # exit status of the processes
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my $sourceDir = File::Spec->catdir($FindBin::Bin);
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my $installType;
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my %install = ( 'bindir' => '/opt/camp/sysinfo-client',
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'confdir' => '/etc/camp/sysinfo-client',
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'application name' => 'sysinfo client',
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'configuration' => {
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'configurator' => '<bindir>/configure.pl',
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'configuration file' => '<confdir>/sysinfo-client.conf',
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'configuration seed file' => 'sysinfo-client.seed',
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'permission' => '700',
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'owner' => 'root',
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'target' => '<confdir>'
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},
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'files' => {
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'configure.pl' => {
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'type' => 'file',
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'permission' => '700',
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'owner' => 'root:root',
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'target' => '<bindir>'
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},
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'sysinfo-client' => {
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'type' => 'file',
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'permission' => '700',
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'owner' => 'root:root',
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'target' => '<bindir>'
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},
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'sysinfoconf.pm' => {
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'type' => 'file',
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'permission' => '600',
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'owner' => 'root:root',
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'target' => '<bindir>'
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},
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'notes' => {
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'type' => 'file',
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'permission' => '600',
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'owner' => 'root:root',
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'target' => '<bindir>'
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},
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'sysinfo-client.conf.template' => {
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'type' => 'file',
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'permission' => '600',
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'owner' => 'root:root',
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'target' => '<bindir>'
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},
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'getSendEmail.pl' => {
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'type' => 'file',
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'permission' => '700',
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'owner' => 'root:root',
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'target' => '<bindir>'
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},
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'install.pl' => {
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'type' => 'file',
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'permission' => '700',
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'owner' => 'root:root',
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'target' => '<bindir>'
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},
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'MANIFEST' => {
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'type' => 'file',
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'permission' => '600',
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'owner' => 'root:root',
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'target' => '<bindir>'
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},
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'sysinfo-client.seed.example' => {
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'type' => 'file',
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'permission' => '600',
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'owner' => 'root:root',
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'target' => '<bindir>'
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},
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'VERSION' => {
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'type' => 'file',
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'permission' => '600',
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'owner' => 'root:root',
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'target' => '<bindir>'
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},
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'modules' => {
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'type' => 'directory',
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'permission' => '700',
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'owner' => 'root:root',
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'target' => '<bindir>',
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'action' => 'chmod 700 *'
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},
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'scripts' => {
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'type' => 'directory',
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'permission' => '700',
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'owner' => 'root:root',
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'target' => '<bindir>',
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'action' => 'chmod 700 *'
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},
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}
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);
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# hash to set up os specific rules
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my %operatingSystems = (
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'debian' => {
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'bindir' => '/opt/camp/sysinfo-client',
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'confdir' => '/etc/camp/sysinfo-client',
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'crontab' => 'ln -s <bindir>/sysinfo-client /etc/cron.daily/sysinfo-client',
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'modules' => '((dpkg)|(unix)|(ipmi)|(xen))',
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},
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'ipfire' => {
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'bindir' => '/opt/camp/sysinfo-client',
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'confdir' => '/etc/camp/sysinfo-client',
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'crontab' => 'ln -s <bindir>sysinfo-client /etc/fcron.daily/sysinfo-client.fcron',
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'modules' => '((ipfire)|(unix))',
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}
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);
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# list of libraries used by the system. We will offer to install them if
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# we know how. NOTE: I have chosen to put the full installation command
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# for each library. This allows us to use the package selector OR a different
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# piece of code on a per-library basis, but results in something like
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# apt-get -y install perl-modules
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# apt-get -y install libwww-perl
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# instead of
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# apt-get -y install libwww-perl perl-modules
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# flexibility vs efficiency in this case.
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my %libraries = (
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'File::Basename' => { 'debian' => 'apt-get -y install perl-modules' },
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'Exporter' => { 'debian' => 'apt-get -y install perl-base' },
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'LWP' => { 'debian' => 'apt-get -y install libwww-perl' },
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);
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# validates the libraries needed exist
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# simply eval's each library. If it doesn't exist, creates a list of
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# commands to be executed to install it, and displays missing libraries
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# offering to install them if possible.
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sub validateLibraries {
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my ( $libraries, $os ) = @_;
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my @command;
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my @missingLibs;
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foreach my $lib ( keys %$libraries ) {
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eval( "use $lib;" );
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if ( $@ ) {
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push @command,$$libraries{$lib}{$os} if $$libraries{$lib}{$os};
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push @missingLibs, $lib;
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}
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}
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if ( @missingLibs ) { # we have missing libraries
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if ( @command ) {
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&runCommand( join( "\n", @command ) )
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if &yesno(
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'Following libraries need to be installed: ' .
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join( ' ', @missingLibs ) . "\n" .
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"I can install them with the following command(s)\n" .
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join( "\n", @command ) . "\nDo you want me to do this?\n"
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);
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} else {
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die unless &yesno( 'Following libraries need to be installed: ' .
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join( ' ', @missingLibs ) .
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"\nand I don't know how to do this. Abort?" );
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}
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} # if
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} # validateLibraries
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# attempt to locate the operating system.
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# if found, will set some defaults for it.
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sub getOS {
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my ( $install, $operatingSystems, $os ) = @_;
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if ( ! $os ) { # we don't know, so we must try to figure it out
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my $osString = `uname -a`;
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foreach my $osType ( keys %$operatingSystems ) {
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print "Checking if OS is $osType in $osString\n" if $verbose > 2;
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next unless $osString =~ m/$osType/i;
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print "Yes, it is $osType\n" if $verbose > 2;
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# We found the OS, set up some defaults
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$os = $osType;
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} # foreach
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}
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if ( $os ) {
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$$install{'os'} = $os;
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print "Setting keys for operating system\n" if $verbose > 2;
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foreach my $key ( keys %{$$operatingSystems{ $os }} ) {
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$$install{$key} = $operatingSystems{ $os }{$key};
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} # if it is a known OS
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} # if
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return $os;
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} # getOperatingSystem
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# get some input from the user and decide how to install/upgrade/remove/whatever
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sub getInstallActions {
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my $install = shift;
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if ( ! &yesno( "This looks like a $$install{'os'} machine, correct?" ) ) {
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die "User Aborted\n" if &yesno( "If we continue, I will set this up like a $$install{'os'} system. Abort?" );
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}
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if ( -d $$install{'confdir'} ) {
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$$install{'action'} = &getAnswer( "It looks like $$install{'application name'} is already installed, what do you want to do?",
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( "upgrade","remove", "overwrite" )
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);
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} else {
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if ( &yesno( "This looks like a fresh install, correct?" ) ) {
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$$install{'action'} = 'install';
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$$install{'preseed config'} = &yesno( "Preseed the configuration file?" );
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} else {
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die "Can not continue at this time: Do not understand your system\n";
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}
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}
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$$install{'build config'} = &yesno( "Edit config file when done?" );
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$$install{'setup cron'} = &yesno( "Set up for automatic running via crontab?" );
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}
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sub showWork {
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my $install = shift;
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print Dumper( \%install );
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}
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sub doPlaceholderSubstitution {
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my ($hash, $placeholder) = @_;
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return if ref $hash ne 'HASH';
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foreach my $key ( keys %$hash ) {
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if ( ref( $$hash{$key} ) ) {
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&doPlaceholderSubstitution( $$hash{$key}, $placeholder );
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} else {
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foreach my $place ( keys %$placeholder ) {
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$$hash{$key} =~ s/$place/$$placeholder{$place}/;
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} # foreach
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} # if..else
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} # foreach
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return;
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}
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# This will go through and first, see if anything is a directory, in
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# which case, we'll create new entries for all files in there.
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# then, it will do keyword substitution of <bindir> and <confdir>
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# to populate the target.
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# When this is done, each file should have a source and target that is
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# a fully qualified path and filename
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sub populateSourceDir {
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my ( $install, $sourceDir ) = @_;
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my %placeHolders =
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(
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'<bindir>' => $$install{'bindir'},
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'<confdir>' => $$install{'confdir'}
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);
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my $allFiles = $$install{'files'};
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# find all directory entries and load files in that directory into $$install{'files'}
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foreach my $dir ( keys %$allFiles ) {
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if ( defined( $$allFiles{$dir}{'type'} ) && $$allFiles{$dir}{'type'} eq 'directory' ) {
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print "Found directory $dir\n" if $verbose > 2;
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if ( opendir( my $dh, "$sourceDir/$dir" ) ) {
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my @files = map{ $dir . '/' . $_ } grep { ! /^\./ && -f "$sourceDir/$dir/$_" } readdir( $dh );
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print "\tFound files " . join( ' ', @files ) . "\n" if $verbose > 2;
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foreach my $file ( @files ) {
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$$allFiles{ $file }{'type'} = 'file';
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if ( $dir eq 'modules' ) {
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$$allFiles{ $file }{'permission'} = ( $file =~ m/$$install{'modules'}/ ) ? '0700' : '0600';
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} else {
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$$allFiles{ $file }{'permission'} = $$allFiles{ $dir }{'permission'};
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}
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$$allFiles{ $file }{'owner'} = $$allFiles{ $dir }{'owner'};
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$$allFiles{ $file }{'target'} = $$allFiles{ $dir }{'target'};
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} # foreach
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closedir $dh;
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} # if opendir
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} # if it is a directory
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} # foreach
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# find all files, and set the source directory, and add the filename to
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# the target
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foreach my $file ( keys %$allFiles ) {
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$$allFiles{$file}{'source'} = "$sourceDir/$file";
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$$allFiles{$file}{'target'} .= "/$file";
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} # foreach
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# finally, do place holder substitution. This recursively replaces all keys
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# in %placeHolders with the values.
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&doPlaceholderSubstitution( $install, \%placeHolders );
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print Dumper( $install ) if $verbose > 2;
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return 1;
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} # populateSourceDir
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# there is a file named VERSIONS. We get the values out of the install
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# directory and (if it exists) the target so we can decide what needs
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# to be updated.
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sub getVersions {
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my $install = shift;
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my $currentVersionFile = $$install{'files'}{'VERSION'}{'target'};
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my $newVersionFile = $$install{'files'}{'VERSION'}{'source'};
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if ( open FILE,"<$currentVersionFile" ) {
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while ( my $line = <FILE> ) {
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chomp $line;
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my ( $filename, $version, $checksum ) = split( "\t", $line );
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$$install{'files'}{$filename}{'installed version'} = $version ? $version : '';
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}
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close FILE;
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|
|
336 |
}
|
|
|
337 |
if ( open FILE,"<$newVersionFile" ) {
|
|
|
338 |
while ( my $line = <FILE> ) {
|
|
|
339 |
chomp $line;
|
|
|
340 |
my ( $filename, $version, $checksum ) = split( "\t", $line );
|
|
|
341 |
$$install{'files'}{$filename}{'new version'} = $version ? $version : '';
|
|
|
342 |
}
|
|
|
343 |
close FILE;
|
|
|
344 |
}
|
| 40 |
rodolico |
345 |
foreach my $file ( keys %{$$install{'files'}} ) {
|
|
|
346 |
$$install{'files'}{$file}{'installed version'} = -2 unless defined $$install{'files'}{$file}{'installed version'};
|
|
|
347 |
$$install{'files'}{$file}{'new version'} = -1 unless defined $$install{'files'}{$file}{'new version'};
|
|
|
348 |
}
|
| 33 |
rodolico |
349 |
return 1;
|
|
|
350 |
} # getVersions
|
|
|
351 |
|
| 34 |
rodolico |
352 |
# this actually does the installation, except for the configuration
|
| 33 |
rodolico |
353 |
sub doInstall {
|
|
|
354 |
my $install = shift;
|
|
|
355 |
my $fileList = $$install{'files'};
|
|
|
356 |
|
|
|
357 |
&checkDirectoryExists( $$install{'bindir'} . '/' );
|
|
|
358 |
foreach my $file ( keys %$fileList ) {
|
|
|
359 |
next unless ( $$fileList{$file}{'type'} && $$fileList{$file}{'type'} eq 'file' );
|
| 40 |
rodolico |
360 |
next if $$install{'action'} eq 'upgrade' && ! defined( $$fileList{$file}{'installed version'} )
|
|
|
361 |
||
|
|
|
362 |
( $$fileList{$file}{'new version'} eq $$fileList{$file}{'installed version'} );
|
| 33 |
rodolico |
363 |
&checkDirectoryExists( $$fileList{$file}{'target'} );
|
|
|
364 |
&runCommand(
|
|
|
365 |
"cp $$fileList{$file}{'source'} $$fileList{$file}{'target'}",
|
|
|
366 |
"chmod $$fileList{$file}{'permission'} $$fileList{$file}{'target'}",
|
|
|
367 |
"chown $$fileList{$file}{'owner'} $$fileList{$file}{'target'}"
|
|
|
368 |
);
|
|
|
369 |
} # foreach file
|
|
|
370 |
return 1;
|
|
|
371 |
}
|
|
|
372 |
|
| 35 |
rodolico |
373 |
sub postInstall {
|
|
|
374 |
my $install = shift;
|
| 37 |
rodolico |
375 |
|
| 35 |
rodolico |
376 |
# set up crontab, if necessary
|
| 37 |
rodolico |
377 |
&runCommand( $$install{'crontab'} ) if defined ( $$install{'crontab'} );
|
|
|
378 |
|
|
|
379 |
# seed configuration, if needed
|
|
|
380 |
if ( $$install{'build config'} ) {
|
|
|
381 |
my %config;
|
|
|
382 |
my $seedFile = $$install{'configuration'}{'configuration seed file'};
|
|
|
383 |
my $confFile = $$install{'configuration'}{'configuration file'};
|
|
|
384 |
my $content;
|
|
|
385 |
|
| 35 |
rodolico |
386 |
my $clientName;
|
|
|
387 |
my $serialNumber;
|
|
|
388 |
my $hostname;
|
|
|
389 |
my @moduleDirs;
|
|
|
390 |
my @scriptDirs;
|
|
|
391 |
my $transports = {};
|
| 34 |
rodolico |
392 |
|
| 37 |
rodolico |
393 |
|
|
|
394 |
if ( -f $seedFile && &yesno( 'Add installation seed file? ' ) ) {
|
|
|
395 |
print "Loading seed file $seedFile\n";
|
|
|
396 |
open SEED, "<$seedFile" or die "Could not open $seedFile: $!\n";
|
|
|
397 |
$content = join( '', <SEED> );
|
|
|
398 |
close SEED;
|
|
|
399 |
# now, eval the information we just read.
|
|
|
400 |
# NOTE: we must turn off strict while doing this, and we die if something breaks.
|
|
|
401 |
no strict "vars"; eval( $content ); use strict "vars"; die "Error during eval: $@\n" if $@;
|
|
|
402 |
} # if preload seed file
|
|
|
403 |
|
| 35 |
rodolico |
404 |
if ( -f $confFile ) {
|
|
|
405 |
print "Loading configuration file $confFile\n";
|
|
|
406 |
open SEED, "<$confFile" or die "Could not open $confFile: $!\n";
|
|
|
407 |
$content = join( '', <SEED> );
|
|
|
408 |
close SEED;
|
|
|
409 |
# now, eval the information we just read.
|
|
|
410 |
# NOTE: we must turn off strict while doing this, and we die if something breaks.
|
|
|
411 |
no strict "vars"; eval( $content ); use strict "vars"; die "Error during eval: $@\n" if $@;
|
|
|
412 |
}
|
|
|
413 |
$config{'clientName'} = $clientName;
|
|
|
414 |
$config{'serialNumber'} = $serialNumber;
|
|
|
415 |
$config{'hostname'} = $hostname;
|
|
|
416 |
$config{'moduleDirs'} = [ @moduleDirs ];
|
|
|
417 |
$config{'scriptDirs'} = [ @scriptDirs ];
|
|
|
418 |
$config{'transports'} = $transports;
|
| 34 |
rodolico |
419 |
|
| 35 |
rodolico |
420 |
$content = &showConf( \%config );
|
|
|
421 |
print $content;
|
| 37 |
rodolico |
422 |
print &writeConfig( $$install{'configuration'}{'configuration file'} , $content ) . "\n"
|
|
|
423 |
if ( &yesno( "Write the above configuration to $$install{'configuration'}{'configuration file'}?" ) );
|
|
|
424 |
} # if we are building/merging configuration
|
| 35 |
rodolico |
425 |
|
|
|
426 |
}
|
| 34 |
rodolico |
427 |
|
| 35 |
rodolico |
428 |
sub help {
|
|
|
429 |
my $oses = join( ' ', keys %operatingSystems );
|
|
|
430 |
print <<END
|
|
|
431 |
$0 --verbose=x --os="osname" --dryrun --help --version
|
| 34 |
rodolico |
432 |
|
| 35 |
rodolico |
433 |
--os - osname is one of [$oses]
|
|
|
434 |
--dryrun - do not actually do anything, just tell you what I'd do
|
|
|
435 |
--verbose - x is 0 (normal) to 3 (horrible)
|
|
|
436 |
END
|
|
|
437 |
}
|
| 34 |
rodolico |
438 |
|
| 35 |
rodolico |
439 |
|
|
|
440 |
|
|
|
441 |
##########################################
|
|
|
442 |
# Main Loop
|
|
|
443 |
##########################################
|
|
|
444 |
|
|
|
445 |
# handle any command line parameters that may have been passed in
|
|
|
446 |
|
|
|
447 |
GetOptions (
|
|
|
448 |
"verbose|v=i" => \$verbose, # verbosity level, 0-9
|
|
|
449 |
"os|o=s" => \$os, # pass in the operating system
|
|
|
450 |
"dryrun|n" => \$dryRun, # do NOT actually do anything
|
|
|
451 |
'help|h' => \$help,
|
|
|
452 |
'version|V' => \$version
|
|
|
453 |
) or die "Error parsing command line\n";
|
|
|
454 |
|
|
|
455 |
if ( $help ) { &help() ; exit; }
|
|
|
456 |
if ( $version ) { print "$0 version $VERSION\n"; exit; }
|
|
|
457 |
&setDryRun( $dryRun ); # tell the library whether this is a dry run or not
|
|
|
458 |
|
| 33 |
rodolico |
459 |
# figure out if we know our operating system
|
| 35 |
rodolico |
460 |
$os = &getOS( \%install, \%operatingSystems, $os );
|
| 33 |
rodolico |
461 |
|
| 42 |
rodolico |
462 |
&validateLibraries( \%libraries, $os );
|
|
|
463 |
|
|
|
464 |
die;
|
|
|
465 |
|
| 35 |
rodolico |
466 |
$installType = &getInstallActions( \%install );
|
| 34 |
rodolico |
467 |
|
| 33 |
rodolico |
468 |
# based on the defaults, flesh out the install hash
|
|
|
469 |
$status = &populateSourceDir( \%install, $sourceDir );
|
|
|
470 |
|
| 35 |
rodolico |
471 |
|
| 33 |
rodolico |
472 |
$status = &getVersions( \%install );
|
|
|
473 |
|
| 35 |
rodolico |
474 |
&showWork( \%install );
|
|
|
475 |
die unless &yesno( "Ready to run? Select No to abort." );
|
|
|
476 |
|
| 33 |
rodolico |
477 |
$status = &doInstall( \%install );
|
|
|
478 |
|
| 35 |
rodolico |
479 |
$status = &postInstall( \%install );
|
| 34 |
rodolico |
480 |
|
| 37 |
rodolico |
481 |
if ( ( -x $install{'configuration'}{'configurator'} ) && $install{'build config'} ) {
|
|
|
482 |
exec( $install{'configuration'}{'configurator'} );
|
|
|
483 |
} else {
|
|
|
484 |
print "Done, you should check the files in $install{'bindir'} and $install{'confdir'} before running\n";
|
|
|
485 |
print "If you need help configuring, the helper app at\n$install{'configuration'}{'configurator'}\ncan be used.\n";
|
|
|
486 |
}
|
|
|
487 |
|
| 35 |
rodolico |
488 |
1;
|
| 40 |
rodolico |
489 |
|
|
|
490 |
|
|
|
491 |
# add uninstall, clean to install.pl
|
|
|
492 |
# clean will look for any file in bindir which is NOT in the list of available files and remove them
|
|
|
493 |
# if files already exist in install, preserve their permissions
|