1 # cluster-webmin-lib.pl
2 # Common functions for managing webmin installs across a cluster
4 BEGIN { push(@INC, ".."); };
7 &foreign_require("servers", "servers-lib.pl");
10 # Returns a list of all hosts whose webmin modules are being managed
13 local %smap = map { $_->{'id'}, $_ } &list_servers();
14 local $hdir = "$module_config_directory/hosts";
17 foreach $h (readdir(DIR)) {
18 next if ($h eq "." || $h eq ".." || !-d "$hdir/$h");
19 local %host = ( 'id', $h );
20 next if (!$smap{$h}); # underlying server was deleted
22 opendir(MDIR, "$hdir/$h");
23 foreach $f (readdir(MDIR)) {
24 if ($f =~ /^(\S+)\.mod$/) {
26 &read_file("$hdir/$h/$f", \%mod);
27 push(@{$host{'modules'}}, \%mod);
29 elsif ($f =~ /^(\S+)\.theme$/) {
31 &read_file("$hdir/$h/$f", \%theme);
32 push(@{$host{'themes'}}, \%theme);
34 elsif ($f =~ /^(\S+)\.user$/) {
36 &read_file("$hdir/$h/$f", \%user);
37 $user{'modules'} = [ split(/\s+/, $user{'modules'}) ];
38 $user{'ownmods'} = [ split(/\s+/, $user{'ownmods'}) ];
39 push(@{$host{'users'}}, \%user);
41 elsif ($f =~ /^(\S+)\.group$/) {
43 &read_file("$hdir/$h/$f", \%group);
44 $group{'modules'} = [ split(/\s+/, $group{'modules'}) ];
45 $group{'ownmods'} = [ split(/\s+/, $group{'ownmods'}) ];
46 $group{'members'} = [ split(/\s+/, $group{'members'}) ];
47 push(@{$host{'groups'}}, \%group);
49 elsif ($f eq "webmin") {
50 &read_file("$hdir/$h/$f", \%host);
60 # save_webmin_host(&host)
63 local $hdir = "$module_config_directory/hosts";
66 if (-d "$hdir/$_[0]->{'id'}") {
67 opendir(DIR, "$hdir/$_[0]->{'id'}");
68 map { $oldfile{$_}++ } readdir(DIR);
72 mkdir("$hdir/$_[0]->{'id'}", 0700);
75 foreach $m (@{$_[0]->{'modules'}}) {
76 &write_file("$hdir/$_[0]->{'id'}/$m->{'dir'}.mod", $m);
77 delete($oldfile{"$m->{'dir'}.mod"});
79 foreach $m (@{$_[0]->{'themes'}}) {
80 &write_file("$hdir/$_[0]->{'id'}/$m->{'dir'}.theme", $m);
81 delete($oldfile{"$m->{'dir'}.theme"});
83 foreach $m (@{$_[0]->{'users'}}) {
85 $u{'modules'} = join(" ", @{$u{'modules'}});
86 $u{'ownmods'} = join(" ", @{$u{'ownmods'}});
87 &write_file("$hdir/$_[0]->{'id'}/$u{'name'}.user", \%u);
88 delete($oldfile{"$u{'name'}.user"});
90 foreach $m (@{$_[0]->{'groups'}}) {
92 $g{'modules'} = join(" ", @{$g{'modules'}});
93 $g{'ownmods'} = join(" ", @{$g{'ownmods'}});
94 $g{'members'} = join(" ", @{$g{'members'}});
95 &write_file("$hdir/$_[0]->{'id'}/$g{'name'}.group", \%g);
96 delete($oldfile{"$g{'name'}.group"});
98 local %webmin = %{$_[0]};
99 delete($webmin{'modules'});
100 delete($webmin{'themes'});
101 delete($webmin{'users'});
102 delete($webmin{'groups'});
103 delete($webmin{'id'});
104 &write_file("$hdir/$_[0]->{'id'}/webmin", \%webmin);
105 delete($oldfile{"webmin"});
106 unlink(map { "$hdir/$_[0]->{'id'}/$_" } keys %oldfile);
109 # delete_webmin_host(&host)
110 sub delete_webmin_host
112 system("rm -rf '$module_config_directory/hosts/$_[0]->{'id'}'");
116 # Returns a list of all servers from the webmin servers module that can be
117 # managed, plus this server
120 local @servers = &servers::list_servers_sorted();
121 return ( &servers::this_server(), grep { $_->{'user'} } @servers );
124 # server_name(&server)
127 return $_[0]->{'desc'} ? $_[0]->{'desc'} : $_[0]->{'host'};
130 # all_modules(&hosts)
133 local (%done, $u, %descc);
134 local @uniq = grep { !$done{$_->{'dir'}}++ } map { @{$_->{'modules'}} } @{$_[0]};
135 map { $descc{$_->{'desc'}}++ } @uniq;
137 $u->{'desc'} .= " ($u->{'dir'})" if ($descc{$u->{'desc'}} > 1);
139 return sort { $a->{'desc'} cmp $b->{'desc'} } @uniq;
146 return sort { $a->{'desc'} cmp $b->{'desc'} }
147 grep { !$done{$_->{'dir'}}++ }
148 map { @{$_->{'themes'}} } @{$_[0]};
155 return sort { $a->{'name'} cmp $b->{'name'} }
156 grep { !$done{$_->{'name'}}++ }
157 map { @{$_->{'groups'}} } @{$_[0]};
164 return sort { $a->{'name'} cmp $b->{'name'} }
165 grep { !$done{$_->{'name'}}++ }
166 map { @{$_->{'users'}} } @{$_[0]};
169 # create_on_input(desc, [no-donthave], [no-have], [multiple])
172 local @hosts = &list_webmin_hosts();
173 local @servers = &list_servers();
175 print "<tr> <td><b>$_[0]</b></td>\n";
179 print "<select name=server size=5 multiple>\n";
182 print "<select name=server>\n";
184 print "<option value=-1>$text{'user_all'}\n";
185 print "<option value=-2>$text{'user_donthave'}\n" if (!$_[1]);
186 print "<option value=-3>$text{'user_have'}\n" if (!$_[2]);
187 local @groups = &servers::list_all_groups(\@servers);
189 foreach $h (@hosts) {
190 local ($s) = grep { $_->{'id'} == $h->{'id'} } @servers;
192 print "<option value='$s->{'id'}'>",
193 $s->{'desc'} ? $s->{'desc'} : $s->{'host'},"\n";
194 $gothost{$s->{'host'}}++;
198 foreach $g (@groups) {
200 foreach $m (@{$g->{'members'}}) {
201 ($found++, last) if ($gothost{$m});
203 print "<option value='group_$g->{'name'}'>",
204 &text('user_ofgroup', $g->{'name'}),"\n" if ($found);
208 print "</td> </tr>\n";
212 # create_on_parse(prefix, &already, name, [no-print])
215 local @allhosts = &list_webmin_hosts();
216 local @servers = &list_servers();
219 foreach $server (split(/\0/, $in{'server'})) {
221 # Install on hosts that don't have it
222 local %already = map { $_->{'id'}, 1 } @{$_[1]};
223 push(@hosts, grep { !$already{$_->{'id'}} } @allhosts);
224 print "<b>",&text($_[0].'3', $_[2]),"</b><p>\n" if (!$_[3]);
226 elsif ($server == -3) {
227 # Install on hosts that do have it
228 local %already = map { $_->{'id'}, 1 } @{$_[1]};
229 push(@hosts, grep { $already{$_->{'id'}} } @allhosts);
230 print "<b>",&text($_[0].'6', $_[2]),"</b><p>\n" if (!$_[3]);
232 elsif ($server =~ /^group_(.*)/) {
233 # Install on members of some group
234 local ($group) = grep { $_->{'name'} eq $1 }
235 &servers::list_all_groups(\@servers);
236 push(@hosts, grep { local $hid = $_->{'id'};
237 local ($s) = grep { $_->{'id'} == $hid } @servers;
238 &indexof($s->{'host'}, @{$group->{'members'}}) >= 0 }
240 print "<b>",&text($_[0].'4', $_[2], $group->{'name'}),
241 "</b><p>\n" if (!$_[3]);
243 elsif ($server != -1) {
244 # Just install on one host
245 local ($onehost) = grep { $_->{'id'} == $server }
247 push(@hosts, $onehost);
248 local ($s) = grep { $_->{'id'} == $onehost->{'id'} } @servers;
249 print "<b>",&text($_[0].'5', $_[2],
250 &server_name($s)),"</b><p>\n" if (!$_[3]);
253 # Installing on every host
254 push(@hosts, @allhosts);
255 print "<b>",&text($_[0], join(" ", @names)),
256 "</b><p>\n" if (!$_[3]);
259 return &unique(@hosts);