#!/usr/bin/env perl
##############################################################################
# $HeadURL: http://svn.dev.rambler.ru/cndinst/trunk/bin/install $
# $Id: install 65 2009-12-18 12:09:37Z abavykin $
##############################################################################
use strict;
use File::Spec;
use FindBin qw($RealBin);
use Getopt::Long;
use User::grent;
use User::pwent;
# defaults
my $options = {
svn_program => (`which svn` =~ /(.*)/)[0],
core_repository => ($ENV{CORE_REPOSITORY} || 'http://contenido.me/repos/Contenido/utf8/core'),
server => (`hostname` =~ /(.*)/)[0],
httpd_port => ($ENV{HTTPD_PORT} || 0),
db_type => 'R',
backups => '/spool/backups',
crosslinks => '/spool/crosslinks',
sessions => '/spool/sessions',
};
my ($force, $help);
GetOptions('force' => \$force, 'help' => \$help);
if ($help) {
&usage;
exit;
}
my $yes_no = { y => 'YES', n => 'NO' };
my $db_types = { N => 'NONE', R => 'REMOTE', S => 'SINGLE' };
# begin
my ($user, $group, $umask) = (getpwuid($>), getgrgid($)), sprintf('%03o', umask));
my $destdir = $ENV{CNDINST_DESTDIR} || undef;
(my $home = $user->dir) =~ s/\/+$//;
load_conf($home, $options);
START:
while ($umask !~ /^\d0\d$/) {
my $a = user_prompt("Current umask ($umask) isn't group friendly. Are you sure?", default => 'n');
last if $a eq 'y';
next unless $a eq 'n';
print "Correct umask and try again!\n";
exit 0;
}
print sprintf (<<'EOM'
Start installation as:
User: %s [%d]
Group: %s [%d]
Home: %s
Shell: %s
Umask: %s
EOM
, $user->name, $user->uid, $group->name, $group->gid, $home, $user->shell, $umask);
while (1) {
my $a = lc(user_prompt('Is it correct?', default => 'y'));
last if $a eq 'y';
next unless $a eq 'n';
print "Bye, see you later!\n";
exit 0;
}
while (1) {
$destdir = user_prompt('Enter installation directory (absolute path)', default => $destdir ? $destdir : $home."/Contenido", ignore_force=>1);
next unless $destdir;
$destdir = File::Spec->canonpath($destdir);
$destdir =~ s/\/*$//;
if (-d $destdir) {
unless (is_dir_empty($destdir)) {
print "Directory exists and non-empty!\n";
undef $destdir;
next;
}
unless (-w $destdir) {
print "Directory exists, but you have no write permissions in it!\n";
undef $destdir;
next;
}
} else {
my @dirs = split /\/+/, $destdir;
my $pdir = '/'.join('/', @dirs[0..$#dirs-1]);
unless (-w $pdir) {
print "You have no permissions to create directory!\n";
undef $destdir;
next;
}
}
last;
}
while (1) {
my $a = lc(user_prompt('Which is svn executable?', default => $options->{svn_program}));
unless ($a && -x $a) {
print "There is no svn executable!\n";
next;
}
$options->{svn_program} = $a;
save_conf($home, $options);
last;
}
while (1) {
my $a = user_prompt('Which Contenido repository will be checked out?', default => $options->{core_repository});
$a =~ s/\/$//;
print "Contacting repository... ";
next if system("$options->{svn_program} ls $a >/dev/null");
print "success\n";
$options->{core_repository} = $a;
save_conf($home, $options);
last;
}
while (1) {
my $a = user_prompt('Enter server name', default => $options->{server});
next unless $a =~ /^[\w\-\+\.]+$/i;
$options->{server} = $a;
save_conf($home, $options);
last;
}
while (1) {
my $a = user_prompt('Enter HTTP port', default => $options->{httpd_port}, ignore_force=>1);
next unless $a =~ /^(\d)+$/i;
next if int($a)<1024 || int($a)>65535;
my %occupied = map {chomp; s/.*?(\d+)$/$1/; $_ => 1} `netstat -na | grep LISTEN | awk '{print \$4}'`;
if ($occupied{$a}) {
my $ao;
while (1) {
$ao = lc(user_prompt('Port seems busy. Are you sure?', default => 'n'));
last if $ao eq 'y';
next unless $ao eq 'n';
last;
}
next unless $ao eq 'y';
}
$options->{httpd_port} = $a;
save_conf($home, $options);
last;
}
while (1) {
my $a = user_prompt('Select database type: [N]ONE [R]EMOTE [S]INGLE', default => $options->{db_type}, ignore_force=>1);
next unless $a =~ /^[NRS]$/i;
$options->{db_type} = uc($a);
save_conf($home, $options);
last;
}
while (1) {
my $a = user_prompt('Enter backups directory', default => $options->{backups});
next unless $a;
$options->{backups} = $a;
save_conf($home, $options);
last;
}
while (1) {
my $a = user_prompt('Enter crosslinks directory', default => $options->{crosslinks});
next unless $a;
$options->{crosslinks} = $a;
save_conf($home, $options);
last;
}
while (1) {
my $a = user_prompt('Enter sessions directory', default => $options->{sessions});
next unless $a;
$options->{sessions} = $a;
save_conf($home, $options);
last;
}
print <<EOM
Summary:
Installation directory: $destdir
Executable svn: $options->{svn_program}
Contenido repository: $options->{core_repository}
Server name: $options->{server}
HTTP port: $options->{httpd_port}
Database type: $db_types->{$options->{db_type}}
Backups directory: $options->{backups}
Crosslinks directory: $options->{crosslinks}
Sessions directory: $options->{sessions}
EOM
;
while (1) {
my $a = lc(user_prompt('Is it correct?', default => 'y'));
last if $a eq 'y';
next unless $a eq 'n';
print "\n\nRestarting config procedure\n\n\n";
goto START;
}
print "\nGreat, start installation!\n\n";
print "Creating installation directory...\n";
mkdir $destdir, 0775 or die "Can't mkdir: $destdir - $!" unless -d $destdir;
print "Creating installation layout...\n";
system("cp -R $RealBin/../skel/* $destdir/") and die "Can't copy: skel - $!";
system("find $destdir -depth -type d -name .svn -exec rm -Rf {} \\;") and die "Can't clean - $!";
system("find $destdir -depth \\! -perm +20 -exec chmod g+w {} \\;") and die "Can't chmod - $!";
unlink "$destdir/config.mk.proto" or die $!;
print "Checking out Contenido core...\n";
system("$options->{svn_program} co $options->{core_repository} $destdir/src/core/") and
die <<EOM
****************************************************************
Fatal error occured, please resolve problem by hands.
Don't forget about your installation directory: $destdir
****************************************************************
EOM
;
print "done\n";
print "Creating installation config.mk...";
my $rewrites = {
OWNER => $user->name,
ROOT_DIR => $destdir,
SERVER => $options->{server},
HTTPD_PORT => $options->{httpd_port},
DB_TYPE => $db_types->{$options->{db_type}},
BACKUPS => $options->{backups},
CROSSLINKS => $options->{crosslinks},
SESSIONS => $options->{sessions},
};
open PROTO, "< $RealBin/../skel/config.mk.proto" or die "Can't read: config.mk.proto - $!";
open MK, "> $destdir/config.mk" or die "Can't create: config.mk - $!";
print MK @{ rewrite([<PROTO>], $rewrites) };
close MK;
close PROTO;
print " done\n";
print <<EOM
*****************************************************************
First step of Contenido installation finished.
Now change dir to '$destdir'.
Here, you can adjust some build options in 'config.mk' by hands.
After all run 'make install' and hope it will be successfull :)
*****************************************************************
EOM
;
exit 0;
### utils
sub user_prompt {
my ($prompt, %opts) = @_;
print $prompt.(exists $opts{default} ? " [$opts{default}]" : "").": ";
#if ($force && $opts{default} && !$opts{ignore_force}) {
if ($force && $opts{default}) {
print "[forced default answer]\n";
#print "$opts{default} [forced answer]\n";
sleep 1;
return $opts{default};
}
my $answer = <>;
chomp $answer;
return $answer ? $answer : $opts{default};
}
sub is_dir_empty {
my $dir = shift;
opendir D, $dir;
while ($_ = readdir D) {
next if $_ eq '.' || $_ eq '..';
return 0;
}
closedir D;
return 1;
}
sub load_conf {
my ($home, $options) = @_;
return save_conf($home, $options) unless -f "$home/.cndinst/install.conf";
open CONF, "< $home/.cndinst/install.conf" or die "Can't read: $home/.cndinst/install.conf - $!";
while (<CONF>) {
chomp;
next if /^\s*#/;
next unless /^\s*([^\s]+)\s*=\s*([^\s]+)/;
next unless exists $options->{$1};
$options->{$1} = $2;
}
close CONF;
return $options;
}
sub save_conf {
my ($home, $options) = @_;
mkdir "$home/.cndinst", 0775 or die "Can't mkdir: $home/.cndinst - $!" unless -d $home.'/.cndinst';
open CONF, "> $home/.cndinst/install.conf" or die "Can't create: $home/.cndinst/install.conf - $!";
print CONF "# Contenido installer config file\n\n";
printf CONF "%-20s = %s\n", $_, $options->{$_} for sort keys %{$options};
close CONF;
}
sub rewrite {
my ($lines, $rewrites) = @_;
s/\@([A-Z0-9\_]+)\@/$rewrites->{$1}/ms for @{$lines};
return $lines;
}
sub usage {
print <<EOM;
Usage:
$FindBin::Script options
Options:
-h, --help Print this message
-f, --force Force mode (automatically apply default answers
on none-critical questions)
EOM
}