<?php
-$BASE_LIB="../lib";
-$BASE_DATA="../db";
-$BACULA_USER="paulr";
+$BASE_LIB=$_SERVER["BASE_LIB"];
+$BASE_DATA=$_SERVER["BASE_DATA"];
+$BACULA_USER=$_SERVER["BACULA_USER"];
global $BASE_DATA, $BASE_LIB, $BACULA_USER;
init();
break;
case "bacula-config":
+ bacula_config();
break;
case "add-disk":
add_disk();
break;
case "disks":
+ list_disks();
break;
case "status":
+ pbdc_status();
break;
default:
echo "invalid command\n";
}
+function bacula_config()
+{
+ global $BASE_DATA, $BASE_LIB, $BACULA_USER, $argv;
+
+ check_init_and_fail($argv[1]);
+ $changer = $argv[1];
+
+ $db = db_getDB($argv[1]);
+
+ $ntapes = conf_getVal($changer, "ndrives");
+ $tapeloc = conf_getVal($changer, "drivelocation");
+
+ // TODO: do this bit
+ // bacula-sd.conf
+ ?>
+Autochanger {
+ Name = <?php echo "$changer\n"?>
+ <?php
+ for($i=0; $i<$ntapes; $i++) {
+ echo "Device = \"$changer-drive$i\"\n";
+ }
+ ?>
+ Changer Command = "/usr/local/bin/vchanger %c %o %S %a %d"
+ Changer Device = "<?php echo $changer ?>"
+}
+
+<?php
+ for($i=0; $i < $ntapes; $i++) {
+?>
+Device {
+ Name = <?php echo "\"$changer-drive$i\"\n" ?>
+ DriveIndex = <?php echo "$i\n" ?>
+ Autochanger = yes;
+ DeviceType = File
+ MediaType = File
+ ArchiveDevice = <?php echo "\"$tapeloc/$changer-drive$i\"\n" ?>
+ RemovableMedia = no;
+ RandomAccess = yes;
+}
+<?php
+ }
+}
+
+function pbdc_status()
+{
+ global $BASE_DATA, $BASE_LIB, $BACULA_USER, $argv;
+
+ check_init_and_fail($argv[1]);
+ $changer = $argv[1];
+
+ $db = db_getDB($argv[1]);
+
+ $res = $db->query("select * from disk_list");
+
+ $tapeloc = conf_getVal($changer, "drivelocation");
+ $amloc = conf_getVal($changer, "automountdir");
+
+ $ret = false;
+ foreach($res as $row) {
+ echo "Listing tapes for disk ".$row["disk_id"].", ".$row["disk_name"]."\n";
+ //echo "dir: $amloc/".$row["disk_name"]."/pbdc/".$argv[1]."/tapes/\n";
+ //exit(0);
+ $dh = opendir("$amloc/".$row["disk_name"]."/pbdc/".$argv[1]."/tapes/");
+ while(($file = readdir($dh)) !== false) {
+ if(ereg("d[0-9]+_vol[0-9]+", $file)!=false) {
+ $sql = "select slot_no from slots where tape_name=='$file'";
+ $res2 = $db->query($sql);
+ if($res2) {
+ foreach($res2 as $row2)
+ $slot = $row2["slot_no"];
+ } else $slot = "none";
+ echo "Tape: $file (slot $sln)\n";
+ } else {
+ //echo "didnt match: $file\n";
+ }
+ //exit(0);
+ }
+ closedir($dh);
+ }
+
+ $nt = (int)(conf_getVal($changer, "ndrives"));
+ for($i = 0; $i < $nt; $i++) {
+ if(file_exists("$tapeloc/$changer-drive$i")) {
+ $rl = basename(readlink("$tapeloc/$changer-drive$i"));
+ echo "drive $i points has tape $rl loaded\n";
+ } else {
+ echo "drive $i is unloaded\n";
+ }
+ }
+}
+
+function list_disks()
+{
+ global $BASE_DATA, $BASE_LIB, $BACULA_USER, $argv;
+
+ check_init_and_fail($argv[1]);
+
+ $db = db_getDB($argv[1]);
+
+ $res = $db->query("select * from disk_list");
+
+ $ret = false;
+ foreach($res as $row) {
+ echo "Disk ".$row["disk_id"].": ".$row["disk_name"]."\n";
+ $ret = true;
+ }
+
+ if(!$ret) {
+ echo "No disks defined yet for this changer\n";
+ }
+
+
+ return;
+}
+
function init()
{
global $BASE_DATA, $BASE_LIB, $BACULA_USER, $argv;
// check if we are the bacula user
$user = posix_getlogin();
+ $user = $_SERVER["USER"];
if($user != $BACULA_USER) {
- echo "This command must be run as the bacula user\n";
+ echo "This command must be run as the bacula user ($BACULA_USER not $user)\n";
exit(0);
}
if($r == "y") {
echo "Ok, but its your disaster, waiting 5 seconds prior to init'ing the database (hit ctrl-c to exit)\n";
sleep(5);
+ unlink("$BASE_DATA/$changer_name.db");
} else {
echo "Ok, not doing it, so long chum\n";
exit(0);
$ra = readline("Directory where automount occurs [/changer/]:");
$rb = readline("Number of drives [1]:");
$rc = readline("Size of tapes [20] (in gb):");
+ $rd = readline("Where to store drive pointers [/var/run/bacula/]:");
if($ra == "") $ra = "/changer/";
if($rb == "") $rb = 1;
if($rc == "") $rc = 20;
+ if($rd == "") $rd = "/var/run/bacula/";
conf_setVal($changer_name, "automountdir", "$ra");
conf_setVal($changer_name, "ndrives", "$rb");
conf_setVal($changer_name, "tapesize", "$rc");
+ conf_setVal($changer_name, "drivelocation", "$rd");
// check if they were set
echo "got: ".conf_getVal($changer_name, "automountdir").", and ".conf_getVal($changer_name, "tapesize").", and ".conf_getVal($changer_name, "ndrives")."\n";
return true;
}
+function disk_get_size($file, $realname="")
+{
+ global $BASE_DATA, $BASE_LIB, $BACULA_USER, $argv;
+
+ check_init_and_fail($argv[1]);
+
+ $changer = $argv[1];
+
+ error_reporting(E_ALL);
+
+ $dh = opendir("/dev/disk/by-uuid");
+ $amdir = conf_getVal($changer, "automountdir");
+
+ $ts = 0;
+
+ $parsed = false;
+ if(file_exists("/$amdir/$file/.")) {
+ $cmd = "/bin/df -k /$amdir/$file/. |/usr/bin/tail -1 |/usr/bin/awk '{ print $4 }'";
+ $pl = popen($cmd, "r");
+ if($pl) {
+ $f = fread($pl, 1024);
+ echo "cmd: $cmd\nf: $f\n";
+ $ts = (int)($f);
+ if($ts > 1) $parsed = true;
+ pclose($pl);
+ }
+ }
+
+ if(!$parsed && $realname != "") {
+ $fh = fopen("/sys/class/block/$realname/size", "r");
+ $lk = ((int)(fgets($fh)));
+ $ts = ($lk/1024)*512;
+ fclose($fh);
+
+ }
+
+ $realsize = (int)(($ts/1024)/1024);
+
+ return $realsize;
+}
+
function add_disk()
{
// disks get inited by going to /changer_dir/disk_uuid/ then:
check_init_and_fail($argv[1]);
+ $changer = $argv[1];
+
$dh = opendir("/dev/disk/by-uuid");
+ $amdir = conf_getVal($changer, "automountdir");
$disk = "";
$i = 0;
if($file != "." && $file != "..") {
$st = stat("/dev/disk/by-uuid/".$file);
$realname = basename(readlink("/dev/disk/by-uuid/".$file));
+ $realsize = disk_get_size($file, $realname);
- // now get the size
- $fh = fopen("/sys/class/block/$realname/size", "r");
- $rl = fgets($fh);
- fclose($fh);
- $realsize = (int)(((($rl/1024)*512)/1024)/1024);
-
+ // now get the size, first lets try and parse df output
echo "disk $i: /dev/$realname or /dev/disk/by-uuid/$file of size ".$realsize."gb\n";
$disk[$i]["real"] = "/dev/$realname";
$disk[$i]["syml"] = "/dev/disk/by-uuid/".$file;
$disk[$i]["size"] = $realsize;
$i++;
+
}
}
$ts = conf_getVal($argv[1], "tapesize");
$max = (int)($disk[$i]["size"]/$ts);
- $k = (int)(readline("No of tapes to create [max:$max] @ ".$ts."gb each:"));
- if($k > $max) {
+ $kt = (int)(readline("No of tapes to create [max:$max] @ ".$ts."gb each:"));
+ if($kt > $max) {
echo "Sorry, max number of tapes is $max, creating $max instead\n";
+ $kt = $max;
}
$did = add_diskToDB($argv[1], basename($disk[$i]["syml"]));
exit(0);
}
+ // disk names are d.$did_vol0000x
//echo "did: $did\n";
+ for($ii=0; $ii < $kt; $ii++) {
+ $tid = sprintf("d%d_vol%04d", $did, $ii);
+ //echo "would create $tid\n";
+ $tp = "$dir/".basename($disk[$i]["syml"])."/pbdc/".$argv[1]."/tapes/$tid";
+ if(!file_exists($tp)) {
+ fopen($tp, "w");
+ echo "created tape $tid\n";
+ } else {
+ echo "tape $tid already existed\n";
+ }
+ add_to_slot($argv[1], $tid, $did);
+ }
+}
+
+function add_to_slot($changer, $tapename, $disk_id)
+{
+ global $BASE_DATA, $BASE_LIB, $BACULA_USER, $argv;
+
+ $db = db_getDB($changer);
+
+ $slot = "";
+ $slots = 0;
+ $max_slot = 0;
+
+ $res = $db->query("select * from slots");
+ foreach($res as $row) {
+ $slot[$row["slot_no"]]["diskid"] = $row["disk_id"];
+ $slot[$row["slot_no"]]["tapename"] = $row["tape_name"];
+ $slots++;
+ if($row["slot_no"] > $max_slot) $max_slot = $row["slot_no"];
+ }
+
+ // first tape, straight in with you
+ if($slots == 0) {
+ $db->query("insert into slots values (NULL, 1, $disk_id, '$tapename')");
+ return;
+ }
+
+ // next hunt thru the slots and see if its filled yet.
+ foreach($slot as $lk) {
+ if($lk["tapename"] == $tapename) {
+ // tape was already there, move along
+ return;
+ }
+ }
+
+ // now we go from 0 to the end looking for a free slot
+ for($i=1; $i < $max_slot; $i++) {
+ if(!isset($slot[$i])) {
+ // we have a free slot, but it shouldnt appear that way like that.. oh well.
+ $db->query("insert into slots values (NULL, $i, $disk_id, '$tapename')");
+ return;
+ }
+ if($slot[$i]["tapename"] == "") {
+ // slot is free
+ $db->query("delete from slots where slot_no='$i'");
+ $db->query("insert into slots values (NULL, $i, $disk_id, '$tapename')");
+ return;
+ }
+ }
+
+ // So much error checking to do.
+ // if we made it here, we need more slots.
+ $ns = $max_slot + 1;
+ $db->query("insert into slots values (NULL, $ns, $disk_id, '$tapename')");
+ return;
}
?>
\ No newline at end of file
projects / php-bacula-disk-changer.git / blobdiff