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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
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, $? >> 8));
}
sub _scp_rpms {
my ($parallel, $urpm, @files) = @_;
foreach my $host (keys %{$parallel->{nodes}}) {
if (_localhost($host)) {
if (my @f = grep { dirname($_) ne "$urpm->{cachedir}/rpms" } @files) {
$urpm->{log}("parallel_ssh: cp @f $urpm->{cachedir}/rpms");
system('cp', @f, "$urpm->{cachedir}/rpms") == 0
or $urpm->{fatal}(1, N("cp failed on host %s (%d)", $host, $? >> 8));
}
} else {
_scp($urpm, $host, @files, "$urpm->{cachedir}/rpms");
}
}
}
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: $!");
$fh;
}
#- parallel copy
sub parallel_register_rpms {
my ($parallel, $urpm, @files) = @_;
_scp_rpms($parallel, $urpm, @files);
urpm::parallel::post_register_rpms($parallel, $urpm, @files);
}
#- parallel find_packages_to_remove
sub parallel_find_remove {
my ($parallel, $urpm, $state, $l, %options) = @_;
my ($test, $pkgs) = urpm::parallel::find_remove_pre($urpm, $state, %options);
$pkgs and return @$pkgs;
my (%bad_nodes, %base_to_remove, %notfound);
#- now try an iteration of urpme.
foreach my $node (keys %{$parallel->{nodes}}) {
my $fh = _ssh_urpm_popen($urpm, $node, 'urpme', "--auto $test" . join(' ', map { "'$_'" } @$l) . ' 2>&1');
while (my $s = <$fh>) {
urpm::parallel::parse_urpme_output($urpm, $state, $node, $s,
\%notfound, \%base_to_remove, \%bad_nodes, %options)
or last;
}
close $fh;
}
#- check base, which has been delayed until there.
if ($options{callback_base} && %base_to_remove) {
$options{callback_base}->($urpm, keys %base_to_remove) or return ();
}
#- build error list contains all the error returned by each node.
$urpm->{error_remove} = [ map {
my $msg = N("on node %s", $_);
map { "$msg, $_" } @{$bad_nodes{$_}};
} keys %bad_nodes ];
#- if at least one node has the package, it should be seen as unknown...
delete @notfound{map { /^(.*)-[^-]*-[^-]*$/ } keys %{$state->{rejected}}};
if (%notfound) {
$options{callback_notfound} && $options{callback_notfound}->($urpm, keys %notfound)
or delete $state->{rejected};
}
keys %{$state->{rejected}};
}
#- parallel resolve_dependencies
sub parallel_resolve_dependencies {
my ($parallel, $synthesis, $urpm, $state, $requested, %options) = @_;
#- first propagate the synthesis file to all machines
foreach (grep { !_localhost($_) } keys %{$parallel->{nodes}}) {
_scp($urpm, $_, '-q', $synthesis, $synthesis);
}
$parallel->{synthesis} = $synthesis;
my $line = urpm::parallel::simple_resolve_dependencies($parallel, $urpm, $state, $requested, %options);
#- execute urpmq to determine packages to install.
my ($cont, %chosen);
do {
$cont = 0; #- prepare to stop iteration.
#- the following state should be cleaned for each iteration.
delete $state->{selected};
#- now try an iteration of urpmq.
foreach my $node (keys %{$parallel->{nodes}}) {
my $fh = _ssh_urpm_popen($urpm, $node, "urpmq", "--synthesis $synthesis -fduc $line " . join(' ', keys %chosen));
while (my $s = <$fh>) {
urpm::parallel::parse_urpmq_output($urpm, $state, $node, $s, \$cont, \%chosen, %options);
}
close $fh or $urpm->{fatal}(1, N("host %s does not have a good version of urpmi (%d)", $node, $? >> 8));
}
#- check for internal error of resolution.
$cont == 1 and die "internal distant urpmq error on choice not taken";
} while $cont;
#- keep trace of what has been chosen finally (if any).
$parallel->{line} = join(' ', $line, keys %chosen);
}
#- parallel install.
sub parallel_install {
my ($parallel, $urpm, undef, $install, $upgrade, %options) = @_;
_scp_rpms($parallel, $urpm, values %$install, values %$upgrade);
my %bad_nodes;
foreach my $node (keys %{$parallel->{nodes}}) {
my $fh = _ssh_urpm_popen($urpm, $node, 'urpmi', "--pre-clean --test --no-verify-rpm --auto --synthesis $parallel->{synthesis} $parallel->{line}");
while (my $s = <$fh>) {
$bad_nodes{$node} .= $s;
$s =~ /Installation failed/ and $bad_nodes{$node} = '';
$s =~ /Installation is possible/ and delete $bad_nodes{$node}, last;
}
close $fh;
}
foreach (keys %{$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;
|
