public static function getDSFromRRDFile($file)
{
$info = rrd_info($file);
$suchmuster = "/(ds\\[)(.*[a-zA-Z0-9_])(\\])/";
$ds = array();
foreach ($info as $key => $value) {
preg_match($suchmuster, $key, $treffer);
if (count($treffer) > 1) {
if (!in_array($treffer[2], $ds)) {
$ds[] = $treffer[2];
}
}
}
return $ds;
}
/**
* Draw RRD file based on it's structure
* @host
* @plugin
* @pinst
* @type
* @tinst
* @opts
* @return Commandline to call RRDGraph in order to generate the final graph
*/
function collectd_draw_rrd($host, $plugin, $pinst = null, $type, $tinst = null, $opts = array())
{
global $config;
$timespan_def = null;
if (!isset($opts['timespan'])) {
$timespan_def = reset($config['timespan']);
} else {
foreach ($config['timespan'] as &$ts) {
if ($ts['name'] == $opts['timespan']) {
$timespan_def = $ts;
}
}
}
if (!isset($opts['rrd_opts'])) {
$opts['rrd_opts'] = array();
}
if (isset($opts['logarithmic']) && $opts['logarithmic']) {
array_unshift($opts['rrd_opts'], '-o');
}
$rrdinfo = null;
$rrdfile = sprintf('%s/%s%s%s/%s%s%s', $host, $plugin, is_null($pinst) ? '' : '-', $pinst, $type, is_null($tinst) ? '' : '-', $tinst);
foreach ($config['datadirs'] as $datadir) {
if (is_file($datadir . '/' . $rrdfile . '.rrd')) {
$rrdinfo = rrd_info($datadir . '/' . $rrdfile . '.rrd');
if (isset($rrdinfo['RRA']) && is_array($rrdinfo['RRA'])) {
break;
} else {
$rrdinfo = null;
}
}
}
if (is_null($rrdinfo)) {
return false;
}
$graph = array();
$has_avg = false;
$has_max = false;
$has_min = false;
reset($rrdinfo['RRA']);
$l_max = 0;
while (list($k, $v) = each($rrdinfo['RRA'])) {
if ($v['cf'] == 'MAX') {
$has_max = true;
} else {
if ($v['cf'] == 'AVERAGE') {
$has_avg = true;
} else {
if ($v['cf'] == 'MIN') {
$has_min = true;
}
}
}
}
reset($rrdinfo['DS']);
while (list($k, $v) = each($rrdinfo['DS'])) {
if (strlen($k) > $l_max) {
$l_max = strlen($k);
}
if ($has_min) {
$graph[] = sprintf('DEF:%s_min=%s:%s:MIN', $k, $rrdinfo['filename'], $k);
}
if ($has_avg) {
$graph[] = sprintf('DEF:%s_avg=%s:%s:AVERAGE', $k, $rrdinfo['filename'], $k);
}
if ($has_max) {
$graph[] = sprintf('DEF:%s_max=%s:%s:MAX', $k, $rrdinfo['filename'], $k);
}
}
if ($has_min && $has_max || $has_min && $has_avg || $has_avg && $has_max) {
$n = 1;
reset($rrdinfo['DS']);
while (list($k, $v) = each($rrdinfo['DS'])) {
$graph[] = sprintf('LINE:%s_%s', $k, $has_min ? 'min' : 'avg');
$graph[] = sprintf('CDEF:%s_var=%s_%s,%s_%s,-', $k, $k, $has_max ? 'max' : 'avg', $k, $has_min ? 'min' : 'avg');
$graph[] = sprintf('AREA:%s_var#%s::STACK', $k, rrd_get_color($n++, false));
}
}
reset($rrdinfo['DS']);
$n = 1;
while (list($k, $v) = each($rrdinfo['DS'])) {
$graph[] = sprintf('LINE1:%s_avg#%s:%s ', $k, rrd_get_color($n++, true), $k . substr(' ', 0, $l_max - strlen($k)));
if (isset($opts['tinylegend']) && $opts['tinylegend']) {
continue;
}
if ($has_avg) {
$graph[] = sprintf('GPRINT:%s_avg:AVERAGE:%%5.1lf%%s Avg%s', $k, $has_max || $has_min || $has_avg ? ',' : "\\l");
}
if ($has_min) {
$graph[] = sprintf('GPRINT:%s_min:MIN:%%5.1lf%%s Max%s', $k, $has_max || $has_avg ? ',' : "\\l");
}
if ($has_max) {
$graph[] = sprintf('GPRINT:%s_max:MAX:%%5.1lf%%s Max%s', $k, $has_avg ? ',' : "\\l");
}
if ($has_avg) {
$graph[] = sprintf('GPRINT:%s_avg:LAST:%%5.1lf%%s Last\\l', $k);
}
}
#$rrd_cmd = array(RRDTOOL, 'graph', '-', '-a', 'PNG', '-w', $config['rrd_width'], '-h', $config['rrd_height'], '-s', -1*$timespan_def['seconds'], '-t', $rrdfile);
$rrd_cmd = array(RRDTOOL, 'graph', '-', '-a', 'PNG', '-w', $config['rrd_width'], '-h', $config['rrd_height'], '-s', -1 * $timespan_def['seconds']);
if ($config['rrd_width'] <= "300") {
$small_opts = array('--font', "LEGEND:7:mono", '--font', "AXIS:6:mono", "--font-render-mode", "normal");
$rrd_cmd = array_merge($rrd_cmd, $small_opts);
}
$rrd_cmd = array_merge($rrd_cmd, $config['rrd_opts_array'], $opts['rrd_opts'], $graph);
$cmd = RRDTOOL;
for ($i = 1; $i < count($rrd_cmd); $i++) {
$cmd .= ' ' . escapeshellarg($rrd_cmd[$i]);
}
return $cmd;
}
function GetGroupInfo(LOGGROUP $grp = NULL, $flags = 0)
{
$groups = array();
//array for the groups to be returned
if ($this->munin_datafile) {
foreach ($this->groups as $gid => &$group) {
if ($grp && strcmp($grp->gid, $gid)) {
continue;
}
//if a group is specified and existing group has same group id then skip this group
if ($group['name']) {
$name = $group['name'];
} else {
$name = false;
}
//else name = false
if (!$name || $flags & REQUEST::NEED_INFO) {
//if there was no name and there's a NEED_INFO flag
if ($grp) {
//if group is specified
$grtest = $grp;
$opts = $this->opts;
} else {
//no group is specified (easier to just throw error here since there can't really be a default .rrd-file)?
$ginfo = array("db_group" => $gid);
//create new groupinfo array
$grtest = $this->CreateGroup($ginfo);
//create new group
$opts = $this->req->GetGroupOptions($grtest);
//create new options for group
}
if (!$name) {
//if name = false
$name = $opts->Get('name', $gid);
//get name from options, if there's no name use group id
}
}
$groups[$gid] = array('gid' => $gid, 'name' => $name);
if ($flags & REQUEST::NEED_INFO) {
$tmp_group = new LOGGROUP($tmp_groupid = array("db_group" => $gid));
$items = $this::GetItemList($tmp_group);
//change to getitemlist
$rrd_fetch_opts = array("AVERAGE");
$min = false;
$max = false;
foreach ($items as $item) {
$rrd_file = $this::GidToFilename($item['db_uid'], $this);
if ($min === false) {
$min = rrd_first($rrd_file);
$max = rrd_last($rrd_file);
} else {
$first = rrd_first($rrd_file);
if ($min > $first) {
$min = $first;
}
$last = rrd_last($rrd_file);
if ($max < $last) {
$max = $last;
}
}
}
$groups[$gid]['first'] = $min;
$groups[$gid]['last'] = $max;
if ($flags & REQUEST::NEED_COUNT) {
//if there's a NEED_COUNT flag
$fetch = rrd_info($file);
$record_num = ($groups[$gid]['last'] - $groups[$gid]['first']) / $fetch['step'];
//calculate number of records
$groups[$gid]['records'] = $record_num;
}
if ($flags & REQUEST::NEED_ITEMINFO) {
//if there's a NEED_ITEMINFO flag
$groups[$gid]['items'] = $this->GetItemList($grp);
//get itemlist for specified group
}
}
}
//went through existing groups
} else {
if (!$this->groups) {
return false;
}
foreach ($this->groups as $gid => &$group) {
if ($grp && strcmp($grp->gid, $gid)) {
continue;
}
//if a group is specified and existing group has same group id then skip this group
if ($group['name']) {
$name = $group['name'];
} else {
$name = false;
}
//else name = false
if (!$name || $flags & REQUEST::NEED_INFO) {
//if there was no name and there's a NEED_INFO flag
if ($grp) {
//if group is specified
$grtest = $grp;
$opts = $this->opts;
} else {
//no group is specified (easier to just throw error here since there can't really be a default .rrd-file)?
$ginfo = array("db_group" => $gid);
//create new groupinfo array
$grtest = $this->CreateGroup($ginfo);
//create new group
$opts = $this->req->GetGroupOptions($grtest);
//create new options for group
}
if (!$name) {
//if name = false
$name = $opts->Get('name', $gid);
//get name from options, if there's no name use group id
}
}
$groups[$gid] = array('gid' => $gid, 'name' => $name);
if ($flags & REQUEST::NEED_COUNT) {
$rrd_fetch_opts = array("AVERAGE");
$fetch = $this::Fetch($gid, $rrd_fetch_opts);
$record_num = ($fetch['end'] - $fetch['start']) / $fetch['step'];
$groups[$gid]['records'] = $record_num;
}
if ($flags & REQUEST::NEED_INFO) {
//if there's a NEED_INFO flag
$rrd_fetch_opts = array("AVERAGE");
$fetch = $this::Fetch($gid, $rrd_fetch_opts);
$groups[$gid]['first'] = $fetch['start'];
$groups[$gid]['last'] = $fetch['end'];
if ($flags & REQUEST::NEED_COUNT) {
//if there's a NEED_COUNT flag
$record_num = ($fetch['end'] - $fetch['start']) / $fetch['step'];
//calculate number of records
$groups[$gid]['records'] = $record_num;
}
if ($flags & REQUEST::NEED_ITEMINFO) {
//if there's a NEED_ITEMINFO flag
$groups[$gid]['items'] = $this->GetItemList($grtest);
//get itemlist for specified group
}
}
}
//went through existing groups
}
if ($grp && !$groups) {
//if group is specified and there are no defined groups
throw new ADEIException(translate("Invalid group (%s) is specified", $grp->gid));
}
return $grp ? $groups[$grp->gid] : $groups;
//if group was specified, return group in groups table at index group id, else return groups table
}
