2 # Common functions for mon
4 BEGIN { push(@INC, ".."); };
8 $mon_config_file = "$config{'cfbasedir'}/mon.cf";
9 $under = { '' => [ 'authtype', 'hostgroup', 'watch', 'use', 'period',
10 'serverbind', 'trapbind' ],
11 'watch' => [ 'service' ],
12 'service' => [ 'description', 'interval', 'monitor', 'period',
13 'depend', 'allow_empty_group', 'traptimeout',
14 'trapduration', 'randskew', 'dep_behavior',
15 'dep_behaviour', 'exclude_hosts', 'exclude_period',
16 'failure_interval', 'redistribute' ],
17 'period' => [ 'alert', 'upalert', 'alertevery', 'alertafter',
18 'numalerts', 'comp_alerts', 'startupalert',
19 'upalertafter', 'no_comp_alerts' ]
23 # Parses the mon config file into a heirachical structure
26 if (@get_mon_config_cache) {
27 return \@get_mon_config_cache;
31 local ($last_indent, $parent);
33 open(CONF, $mon_config_file);
45 if (/^(\S+)\s*=\s*(.*)$/) {
47 local $str = { 'name' => $1,
48 'values' => [ split(/\s+/, $2) ],
51 'index' => scalar(@rv),
56 elsif (/^(\s*)(\S+)\s*(.*)$/) {
57 # Normal directive, possibly in a heirachy
58 local $str = { 'name' => $2,
59 'values' => [ split(/\s+/, $3) ],
61 'members' => [ { 'dummy' => 1,
68 # Check if under the previous directive
71 local $ld = $cv->[@$cv-1];
72 local $pu = $under->{$ld->{'name'}};
74 $found++ if ($u eq $str->{'name'});
77 # It is .. so just update the parent
79 $cv = $ld ? $ld->{'members'} : \@rv;
84 # Check if under a parent
87 local $pu = $under->{$pp ? $pp->{'name'} : ""};
89 $found++ if ($u eq $str->{'name'});
92 # Under some ancestor .. make that
95 $cv = $pp ? $pp->{'members'} : \@rv;
100 $pp = $pp->{'parent'};
105 # Check if a hostname under a previous hostgroup
107 $cv->[$#cv]->{'name'} eq 'hostgroup') {
108 push(@{$cv->[$#cv]->{'values'}},
110 $cv->[$#cv]->{'eline'} = $lnum;
114 &error("Unknown directive $str->{'name'}")
118 $str->{'index'} = scalar(@$cv);
119 $str->{'parent'} = $parent;
122 # Set parent end lines
125 $pp->{'eline'} = $lnum;
126 $pp = $pp->{'parent'};
134 @get_mon_config_cache = @rv;
135 return \@get_mon_config_cache;
138 # find_value(name, &config)
141 foreach $c (@{$_[1]}) {
142 if ($c->{'name'} eq $_[0]) {
143 return wantarray ? @{$c->{'values'}} : $c->{'values'}->[0];
146 return wantarray ? ( ) : undef;
149 # find(name, &config)
153 foreach $c (@{$_[1]}) {
154 if ($c->{'name'} eq $_[0]) {
158 return wantarray ? @rv : $rv[0];
161 # save_directive(&config, [&old|undef], [&new|undef])
164 local $lref = &read_file_lines($mon_config_file);
165 local @same = &find($_[2]->{'name'}, $_[0]) if ($_[2]);
166 local $idx = &indexof($_[1], @{$_[0]}) if ($_[1]);
167 local $olen = $_[1]->{'eline'} - $_[1]->{'line'} + 1 if ($_[1]);
168 local $conf = &get_mon_config();
169 local @dirs = &directive_lines($_[2], $_[2]->{'indent'}) if ($_[2]);
171 # Replace the old directive
172 splice(@$lref, $_[1]->{'line'}, $_[1]->{'eline'} - $_[1]->{'line'} + 1,
174 $_[0]->[$idx] = $_[2];
175 &renumber($conf, $_[1]->{'line'}, @dirs - $olen);
176 $_[2]->{'line'} = $_[1]->{'line'};
177 $_[2]->{'eline'} = $_[2]->{'line'} + @dirs - 1;
180 # Remove the old directive
181 splice(@$lref, $_[1]->{'line'}, $_[1]->{'eline'} - $_[1]->{'line'} + 1);
182 splice(@{$_[0]}, $idx, 1);
183 &renumber($conf, $_[1]->{'line'}, -$olen);
186 # Add after last directive of same type
187 splice(@$lref, $same[@same-1]->{'eline'}+1, 0, @dirs);
188 splice(@{$_[0]}, $idx+1, 0, $_[2]);
189 &renumber($conf, $same[@same-1]->{'eline'}+1, scalar(@dirs));
190 $_[2]->{'line'} = $same[@same-1]->{'eline'}+1;
191 $_[2]->{'eline'} = $_[2]->{'line'} + @dirs - 1;
194 # Add after last directive in config
195 local $ld = $_[0]->[@{$_[0]}-1];
196 splice(@$lref, $ld->{'eline'} + 1, 0, @dirs);
197 push(@{$_[0]}, $_[2]);
198 &renumber($conf, $ld->{'eline'} + 1, scalar(@dirs));
199 $_[2]->{'line'} = $ld->{'eline'} + 1;
200 $_[2]->{'eline'} = $ld->{'eline'} + @dirs - 1;
204 # renumber(&config, position, offset)
207 foreach $c (@{$_[0]}) {
208 $c->{'line'} += $_[2] if ($c->{'line'} >= $_[1]);
209 $c->{'eline'} += $_[2] if ($c->{'eline'} >= $_[1]);
210 &renumber($c->{'members'}, $_[1], $_[2]);
214 # directive_lines(&directive, [indent])
218 @rv = ( $_[1].join(" ", $_[0]->{'name'}, $_[0]->{'global'} ? ( "=" ) : ( ),
219 @{$_[0]->{'values'}}) );
220 foreach $m (@{$_[0]->{'members'}}) {
221 push(@rv, &directive_lines($m, "$_[1] ")) if (!$m->{'dummy'});
227 # Returns a list of all monitors
230 local $conf = &get_mon_config();
231 local $mondir = &find_value("mondir", $conf);
233 foreach my $dir (split(/:/, $mondir)) {
235 foreach my $f (readdir(DIR)) {
236 push(@rv, $f) if ($f =~ /\.monitor$/);
244 # Returns a list of all alerts
247 local $conf = &get_mon_config();
248 local $mondir = &find_value("alertdir", $conf);
250 foreach my $dir (split(/:/, $mondir)) {
252 foreach $f (readdir(DIR)) {
253 push(@rv, $f) if ($f =~ /\.alert$/ || $f =~ /^alert\./);
261 # Returns the file in which MON users are stored
264 local $conf = &get_mon_config();
265 local $uf = &find_value("userfile", $conf);
266 $uf = "monusers.cf" if (!$uf);
271 local $bd = &find_value("cfbasedir", $conf);
272 $bd = $config{'cfbasedir'} if (!$bd);
280 local(@rv, $lnum = 0);
281 open(USERS, &mon_users_file());
285 if (/^([^:]+):(\S+)/) {
286 push(@rv, { 'user' => $1, 'pass' => $2, 'line' => $lnum });
297 local $lref = &read_file_lines(&mon_users_file());
298 push(@$lref, $_[0]->{'user'}.":".$_[0]->{'pass'});
299 &flush_file_lines(&mon_users_file());
305 local $lref = &read_file_lines(&mon_users_file());
306 $lref->[$_[0]->{'line'}] = $_[0]->{'user'}.":".$_[0]->{'pass'};
307 &flush_file_lines(&mon_users_file());
313 local $lref = &read_file_lines(&mon_users_file());
314 splice(@$lref, $_[0]->{'line'}, 1);
315 &flush_file_lines(&mon_users_file());
321 local $conf = &get_mon_config();
322 local $af = &find_value("authfile", $conf);
323 $af = "auth.cf" if (!$af);
328 local $bd = &find_value("cfbasedir", $conf);
335 return ('list', 'servertime', 'reset', 'loadstate', 'savestate',
336 'term', 'stop', 'start', 'set', 'get', 'dump', 'disable',
337 'enable', 'test', 'ack', 'reload', 'clear');
340 # day_input(name, value)
343 local @days = ( 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' );
344 local $rv = "<select name=$_[0]>\n";
346 $rv .= sprintf "<option %s>%s\n",
347 lc($d) eq lc($_[1]) ? "selected" : "", $d;
349 $rv .= "</select>\n";
353 # interval_input(name, value)
356 local ($int, $units, $rv);
357 if ($_[1] =~ /^([\d\.]+)(\S)$/) {
358 $int = $1; $units = $2;
360 $rv = "<input name=$_[0] size=6 value='$int'>\n";
361 $rv .= "<select name=$_[0]_u>\n";
362 foreach $u ('s', 'm', 'h', 'd') {
363 $rv .= sprintf "<option value=%s %s>%s\n",
364 $u, $units eq $u ? "selected" : "", $text{"service_units_$u"};
366 $rv .= "</select>\n";
371 # Re-start the MON process, returning undef on success or an error message
375 if ($config{'restart_cmd'}) {
377 &backquote_logged("$config{'restart_cmd'} 2>&1 </dev/null");
378 return "<tt>$out</tt>" if ($?);
381 local $pid = &check_pid_file($config{'pid_file'});
387 return $text{'restart_epid'};