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
|
package urpm::parallel_ssh;
# $Id$
#- Copyright (C) 2002, 2003, 2004, 2005 MandrakeSoft SA
#- Copyright (C) 2005 Mandriva SA
use strict;
use urpm::util;
use urpm::msg;
use urpm::parallel;
our @ISA = 'urpm::parallel';
(our $VERSION) = q($Revision$) =~ /(\d+)/;
sub _localhost { $_[0] eq 'localhost' }
sub _ssh { &_localhost ? '' : "ssh $_[0] " }
sub _host { &_localhost ? '' : "$_[0]:" }
sub _scp {
my ($urpm, $host, @para) = @_;
my $dest = pop @para;
$urpm->{log}("parallel_ssh: scp " . join(' ', @para) . " $host:$dest");
system('scp', @para, _host($host) . $dest) == 0
or $urpm->{fatal}(1, N("scp failed on host %s (%d)", $host, $? >> 8));
}
sub copy_to_dir {
my ($parallel, $urpm, @para) = @_;
my $dir = pop @para;
foreach my $host (keys %{$parallel->{nodes}}) {
if (_localhost($host)) {
if (my @f = grep { dirname($_) ne $dir } @para) {
$urpm->{log}("parallel_ssh: cp @f $urpm->{cachedir}/rpms");
system('cp', @f, $dir) == 0
or $urpm->{fatal}(1, N("cp failed on host %s (%d)", $host, $? >> 8));
}
} else {
_scp($urpm, $host, @para, $dir);
}
}
}
sub propagate_file {
my ($parallel, $urpm, $file) = @_;
foreach (grep { !_localhost($_) } keys %{$parallel->{nodes}}) {
_scp($urpm, $_, '-q', $file, $file);
}
}
sub _ssh_urpm {
my ($urpm, $node, $cmd, $para) = @_;
$cmd ne 'urpme' && _localhost($node) and $para = "--nolock $para";
my $command = _ssh($node) . " $cmd --no-locales $para";
$urpm->{log}("parallel_ssh: $command");
$command;
}
sub _ssh_urpm_popen {
my ($urpm, $node, $cmd, $para) = @_;
my $command = _ssh_urpm($urpm, $node, $cmd, $para);
open(my $fh, "$command |") or $urpm->{fatal}(1, "Can't fork ssh: $!");
$fh;
}
sub urpm_popen {
my ($parallel, $urpm, $cmd, $para, $do) = @_;
foreach my $node (keys %{$parallel->{nodes}}) {
my $fh = _ssh_urpm_popen($urpm, $node, $cmd, $para);
while (my $s = <$fh>) {
$do->($node, $s) or last;
}
close $fh or $urpm->{fatal}(1, N("host %s does not have a good version of urpmi (%d)", $node, $? >> 8));
}
}
#- parallel install.
sub parallel_install {
my ($parallel, $urpm, undef, $install, $upgrade, %options) = @_;
copy_to_dir($parallel, $urpm, values %$install, values %$upgrade, "$urpm->{cachedir}/rpms");
my (%bad_nodes, @good_nodes);
$parallel->urpm_popen($urpm, 'urpmi', "--pre-clean --test --no-verify-rpm --auto --synthesis $parallel->{synthesis} $parallel->{line}", sub {
my ($node, $s) = @_;
$s =~ /^\s*$/ and return;
$bad_nodes{$node} .= $s;
$s =~ /Installation failed/ and $bad_nodes{$node} = '';
$s =~ /Installation is possible/ and push @good_nodes, $node;
undef;
});
delete $bad_nodes{$_} foreach @good_nodes;
foreach (keys %{$parallel->{nodes}}) {
exists $bad_nodes{$_} or next;
$urpm->{error}(N("Installation failed on node %s", $_) . ":\n" . $bad_nodes{$_});
}
%bad_nodes and return;
if ($options{test}) {
$urpm->{error}(N("Installation is possible"));
1;
} else {
my $line = $parallel->{line} . ($options{excludepath} ? " --excludepath '$options{excludepath}'" : "");
#- continue installation on each node
foreach my $node (keys %{$parallel->{nodes}}) {
my $command = _ssh_urpm($urpm, $node, 'urpmi', "--no-verify-rpm --auto --synthesis $parallel->{synthesis} $line");
system($command);
}
}
}
#- allow to bootstrap from urpmi code directly (namespace is urpm).
package urpm;
no warnings 'redefine';
sub handle_parallel_options {
my (undef, $options) = @_;
my ($id, @nodes) = split /:/, $options;
if ($id =~ /^ssh(?:\(([^\)]*)\))?$/) {
my %nodes; @nodes{@nodes} = undef;
return bless {
media => $1,
nodes => \%nodes,
}, "urpm::parallel_ssh";
}
return undef;
}
1;
|
