0) {
/* Loop through gmirror status output. */
foreach ($status as $line) {
/* Split the line by whitespace */
$all = preg_split("/[\s\t]+/", trim($line), 3);
if (count($all) == 3) {
/* If there are three items on a line, it is mirror name, status, and component */
$currentmirror = basename($all[0]);
$mirrors[$currentmirror]['name'] = basename($all[0]);
$mirrors[$currentmirror]['status'] = $all[1];
if (!is_array($mirrors[$currentmirror]['components']))
$mirrors[$currentmirror]['components'] = array();
$mirrors[$currentmirror]['components'][] = $all[2];
}
}
}
/* Return an hash of mirrors and components */
return $mirrors;
}
/* Get only status word for a single mirror. */
function gmirror_get_status_single($mirror) {
$status = "";
$mirror_status = gmirror_get_status();
var_dump($mirror_status);
return $mirror_status[$mirror]['status'];
}
/* Generate an HTML formatted status for mirrors and disks in a small format for the widget */
function gmirror_html_status() {
$mirrors = gmirror_get_status();
$output = "";
if (count($mirrors) > 0) {
$output .= "\n";
$output .= "| Name | \n";
$output .= "Status | \n";
$output .= "Component | \n";
$output .= "
\n";
foreach ($mirrors as $mirror => $name) {
$components = count($name["components"]);
$output .= "\n";
$output .= "| {$name['name']} | \n";
$output .= "{$name['status']} | \n";
$output .= "{$name['components'][0]} | \n";
$output .= "
\n";
if (count($name["components"]) > 1) {
$morecomponents = array_slice($name["components"], 1);
foreach ($morecomponents as $component) {
$output .= "\n";
$output .= "| {$component} | \n";
$output .= "
\n";
}
}
}
} else {
$output .= "| No Mirrors Found |
\n";
}
// $output .= "| Updated at " . date("F j, Y, g:i:s a") . " |
\n";
return $output;
}
/* List all disks in the system (potential gmirror targets) */
function gmirror_get_disks() {
$disklist = "";
/* Get a list of disks in a scriptable way, exclude optical drives */
exec("/sbin/geom disk status -s | /usr/bin/grep -v '[[:blank:]]*cd[[:digit:]]*' | /usr/bin/awk '{print $1;}'", $disklist);
return $disklist;
}
/* List all potential gmirror consumers */
function gmirror_get_unused_consumers() {
$consumerlist = "";
$disklist = gmirror_get_disks();
/* Get a list of consumers, exclude existing mirrors and diskid entries */
exec("/sbin/geom part status -s | /usr/bin/egrep -v '(mirror|diskid)' | /usr/bin/awk '{print $1, $3;}'", $consumerlist);
$all_consumers = array();
foreach ($consumerlist as $cl) {
$parts = explode(" ", $cl);
foreach ($parts as $part)
$all_consumers[] = $part;
}
foreach ($disklist as $d) {
if (!is_consumer_used($d) && !in_array($d, $all_consumers)) {
$all_consumers[] = $d;
}
}
return $all_consumers;
}
/* List all existing geom mirrors */
function gmirror_get_mirrors() {
$mirrorlist = "";
exec("/sbin/gmirror list | /usr/bin/grep '^Geom name:' | /usr/bin/awk '{print $3;}'", $mirrorlist);
return $mirrorlist;
}
/* List all consumers for a given mirror */
function gmirror_get_consumers_in_mirror($mirror) {
if (!is_valid_mirror($mirror))
return array();
$consumers = array();
exec("/sbin/gmirror status -s " . escapeshellarg($mirror) . " | /usr/bin/awk '{print $3;}'", $consumers);
return $consumers;
}
/* Test if a given consumer is a member of an existing mirror */
function is_consumer_in_mirror($consumer, $mirror) {
if (!is_valid_consumer($consumer) || !is_valid_mirror($mirror))
return false;
$mirrorconsumers = gmirror_get_consumers_in_mirror($mirror);
return in_array(basename($consumer), $mirrorconsumers);
}
/* Test if a mirror exists */
function is_valid_mirror($mirror) {
$mirrors = gmirror_get_mirrors();
return in_array($mirror, $mirrors);
}
/* Test if a disk is valid/exists */
function is_valid_disk($disk) {
$adisks = gmirror_get_disks();
return in_array(basename($disk), $adisks);
}
/* Test if a consumer is valid and in use in a mirror */
function is_consumer_used($consumer) {
$found = false;
$mirrors = gmirror_get_mirrors();
foreach ($mirrors as $mirror) {
$consumers = gmirror_get_consumers_in_mirror($mirror);
if (in_array($consumer, $consumers))
return true;
}
return false;
}
/* Test if a consumer is valid and not in use */
function is_consumer_unused($consumer) {
$consumers = gmirror_get_unused_consumers();
return in_array($consumer, $consumers);
}
/* Test if a consumer is valid (either a disk or partition) */
function is_valid_consumer($consumer) {
return (is_consumer_unused($consumer) || is_consumer_used($consumer));
}
/* Remove all disconnected drives from a mirror */
function gmirror_forget_disconnected($mirror) {
if (!is_valid_mirror($mirror))
return false;
return mwexec("/sbin/gmirror forget " . escapeshellarg($mirror));
}
/* Insert another consumer into a mirror */
function gmirror_insert_consumer($mirror, $consumer) {
if (!is_valid_mirror($mirror) || !is_valid_consumer($consumer))
return false;
return mwexec("/sbin/gmirror insert " . escapeshellarg($mirror) . " " . escapeshellarg($consumer));
}
/* Remove consumer from a mirror and clear its metadata */
function gmirror_remove_consumer($mirror, $consumer) {
if (!is_valid_mirror($mirror) || !is_valid_consumer($consumer))
return false;
return mwexec("/sbin/gmirror remove " . escapeshellarg($mirror) . " " . escapeshellarg($consumer));
}
/* Wipe geom info from drive (if mirror is not running) */
function gmirror_clear_consumer($consumer) {
if (!is_valid_consumer($consumer))
return false;
return mwexec("/sbin/gmirror clear " . escapeshellarg($consumer));
}
/* Find the balance method used by a given mirror */
function gmirror_get_mirror_balance($mirror) {
if (!is_valid_mirror($mirror))
return false;
$balancemethod = "";
exec("/sbin/gmirror list " . escapeshellarg($mirror) . " | /usr/bin/grep '^Balance:' | /usr/bin/awk '{print $2;}'", $balancemethod);
return $balancemethod[0];
}
/* Change balance algorithm of the mirror */
function gmirror_configure_balance($mirror, $balancemethod) {
global $balance_methods;
if (!is_valid_mirror($mirror) || !in_array($balancemethod, $balance_methods))
return false;
return mwexec("/sbin/gmirror configure -b " . escapeshellarg($balancemethod) . " " . escapeshellarg($mirror));
}
/* Force a mirror member to rebuild */
function gmirror_force_rebuild($mirror, $consumer) {
if (!is_valid_mirror($mirror) || !is_valid_consumer($consumer))
return false;
return mwexec("/sbin/gmirror rebuild " . escapeshellarg($mirror) . " " . escapeshellarg($consumer));
}
/* Show all metadata on the physical consumer */
function gmirror_get_consumer_metadata($consumer) {
if (!is_valid_consumer($consumer))
return array();
$output = "";
exec("/sbin/gmirror dump " . escapeshellarg($consumer), $output);
return array_map('trim', $output);
}
/* Test if a consumer has metadata, indicating it is a member of a mirror (active or inactive) */
function gmirror_consumer_has_metadata($consumer) {
return (count(gmirror_get_consumer_metadata($consumer)) > 0);
}
/* Find the mirror to which this consumer belongs */
function gmirror_get_consumer_metadata_mirror($consumer) {
if (!is_valid_consumer($consumer))
return array();
$metadata = gmirror_get_consumer_metadata($consumer);
foreach ($metadata as $line) {
if (substr($line, 0, 5) == "name:") {
list ($key, $value) = explode(":", $line, 2);
return trim($value);
}
}
}
/* Deactivate consumer, removing it from service in the mirror, but leave metadata intact */
function gmirror_deactivate_consumer($mirror, $consumer) {
if (!is_valid_mirror($mirror) || !is_valid_consumer($consumer))
return false;
return mwexec("/sbin/gmirror deactivate " . escapeshellarg($mirror) . " " . escapeshellarg($consumer));
}
/* Reactivate a deactivated consumer */
function gmirror_activate_consumer($mirror, $consumer) {
if (!is_valid_mirror($mirror) || !is_valid_consumer($consumer))
return false;
return mwexec("/sbin/gmirror activate " . escapeshellarg($mirror) . " " . escapeshellarg($consumer));
}
/* Find the size of the given mirror */
function gmirror_get_mirror_size($mirror) {
if (!is_valid_mirror($mirror))
return false;
$mirrorsize = "";
exec("/sbin/gmirror list " . escapeshellarg($mirror) . " | /usr/bin/grep 'Mediasize:' | /usr/bin/head -n 1 | /usr/bin/awk '{print $2;}'", $mirrorsize);
return $mirrorsize[0];
}
/* Return a list of all potential consumers on a disk with sizes. The geom part
list output is a little odd, we can't get the output for just the disk, if the disk contains
slices those get output also. */
function gmirror_get_all_unused_consumer_sizes_on_disk($disk) {
if (!is_valid_disk($disk) || !is_consumer_unused($disk))
return array();
$output = "";
exec("/sbin/geom part list " . escapeshellarg($disk) . " | /usr/bin/egrep '(Name:|Mediasize:)' | /usr/bin/cut -c4- | /usr/bin/sed -l -e 'N;s/\\nMediasize://;P;D;' | /usr/bin/cut -c7-", $output);
if (empty($output)) {
exec("/sbin/geom disk list " . escapeshellarg($disk) . " | /usr/bin/egrep '(Name:|Mediasize:)' | /usr/bin/cut -c4- | /usr/bin/sed -l -e 'N;s/\\nMediasize://;P;D;' | /usr/bin/cut -c7-", $output);
}
$disk_contents = array();
foreach ($output as $line) {
list($name, $size, $humansize) = explode(" ", $line, 3);
$consumer = array();
$consumer['name'] = $name;
$consumer['size'] = $size;
$consumer['humansize'] = $humansize;
$disk_contents[] = $consumer;
}
return $disk_contents;
}
/* Get only the size for one specific potential consumer. */
function gmirror_get_unused_consumer_size($consumer) {
$consumersizes = gmirror_get_all_unused_consumer_sizes_on_disk($consumer);
foreach ($consumersizes as $csize) {
if ($csize['name'] == $consumer)
return $csize['size'];
}
return -1;
}
?>