File: VdiskPreinst.pm

package info (click to toggle)
systeminstaller 1.04-2
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 748 kB
  • ctags: 261
  • sloc: perl: 5,769; makefile: 70
file content (147 lines) | stat: -rw-r--r-- 5,472 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
package SystemInstaller::Tk::VdiskPreinst;

#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
 
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
 
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#  Igor Grobman <ilgrobma@us.ibm.com>
#
#
use base qw(Exporter);
use vars qw(@EXPORT %oldvars);
use Data::Dumper;
use AppConfig;
use POSIX;
use Carp;
use Tk;
use Tk::FileSelect;
use SystemInstaller::Tk::Common;
use SystemInstaller::Tk::Help;
use strict;

@EXPORT = qw(vdiskpreinst_window);


sub vdiskpreinst_window {
    my $config = init_si_config();

    my $window = shift;
    my %vars = (
                imgname => "",
                noshow => {},
                # This is the dummy postinstall.  Postinstalls MUST return true, lest the sky falls
                postinstall => sub {return 1},
                @_,
               );

    my %defaults = %vars;
    my %noshow = %{$vars{noshow}};

    my $vdiskpreinst_window = $window->Toplevel();
    $vdiskpreinst_window->title("Run Preinstall Script for Virtual Disks");

    #
    #  First line:  What is you image name?
    # 
#    my $imgoption = label_option_line($vdiskpreinst_window, "Image Name",
#                                      \$vars{imgname},["",listimages($config->rsyncd_conf)]) unless $noshow{imgname};
    label_entry_line($vdiskpreinst_window, "Image Name", \$vars{imgname},"",
                     helpbutton($vdiskpreinst_window, 'Image Name VdiskPreinst')) unless $noshow{imgname};
    
   # Then a whole bunch of control buttons

    my $reset_button = $vdiskpreinst_window->Button(
                                             -text=>"Reset",
                                             -command=> [\&reset_window, $vdiskpreinst_window, 
                                                         \%vars, \%defaults, {}], # imgname => $imgoption}],
                                             -pady => 8,
                                             -padx => 8,
                                            );

    my $activate_button = $vdiskpreinst_window->Button(
                                                -text => "Run Vdisk Preinstall",
                                                -command => [\&run_vdiskpreinst, $vdiskpreinst_window, \%vars],
                                                -pady => 8,
                                                -padx => 8,
                                               );

    $reset_button->grid($activate_button, quit_button($vdiskpreinst_window) , -sticky => "nesw");

}

sub what_changed {
    my $vars = shift;

    foreach my $key (qw(startinghostnum endinghostnum startip endip numhosts)) {
        if($oldvars{$key} ne $$vars{$key}) {
            %oldvars = %$vars;
            return $key;
        }
    }
    return undef;
}

sub reset_window {
    my ($window, $curvars, $defvars, $optiondefaults) = @_;
    resethash($curvars, $defvars);
    foreach my $key (keys %$optiondefaults) {
        if($$optiondefaults{$key} and $$curvars{$key}) {
            $$optiondefaults{$key}->setOption($$curvars{$key});
        }
    }
    return 1;
}

sub run_vdiskpreinst {
    my ($window, $vars) = @_;
    $window->Busy(-recurse => 1);
    my %hashkeys = (
                    imgname => 'image',
                   );
   my $scriptdir="/var/lib/systemimager/scripts";

    my $cmd = "sh $scriptdir/$$vars{imgname}.master.preinst";

    open(OUTPUT, $cmd |") or (carp("Couldn't run virtual disk preinstall script: $!"),
                      error_window($window,"Couldn't run vdiskpreinstall: $!"),
                      $window->Unbusy(),
                      return undef);
    while(<OUTPUT>) {
        print $_;
        $window->update();
    }
   
   close(OUTPUT) or (carp("Couldn't run command $cmd"),
                      error_window($window,"Couldn't run command $cmd"),
                      $window->Unbusy(), return undef);

    if(ref($$vars{postinstall}) eq "CODE") {
        &{$$vars{postinstall}}($vars)  or (carp("Couldn't run postinstall"), 
                                          error_window($window,"There was an error running the post vdisk preinst script, please check your logs for more info"),
                                          $window->Unbusy(),
                                          return 0);
    }
    if(ref($$vars{postinstall}) eq "ARRAY") {
        my $sub = shift(@{$$vars{postinstall}});
        &$sub($vars, @{$$vars{postinstall}}) or (carp("Couldn't run postinstall"),
                                                 error_window($window,"There was an error running the post vdiskpreinst script, please check your logs for more info"),
                                                 $window->Unbusy(),
                                                 return 0);
    }

    done_window($window, "Successfully created virtual disk for image $$vars{imgname}");
    $window->Unbusy();
    return 1;
}

1;