function setupStorageDevices(&$conf, $filter = null, $boot = false)
{
// check that there are mountpoints defined
if (!is_array($conf['system']['storage']) || !is_array($conf['system']['storage']['fsmounts'])) {
return 0;
}
//
$setup = mountStorageDevices($conf);
// check that service configuration exists
if (!is_array($conf['system']['storage']['services'])) {
return 0;
}
//
// get callable service functions
$svcFuncs = getAvailServices();
// get a copy of the storage config array
$storageCfg = $conf['system']['storage']['services'];
// reduce it according to $filter if set
if ($filter !== null && is_array($filter)) {
$storageCfg = array_intersect_key($storageCfg, array_flip($filter));
}
// now loop thru $storageCfg array to initialize services
foreach (array_keys($storageCfg) as $service) {
// first check some required symbols
if (!is_array($storageCfg[$service])) {
continue;
}
//
if (!isset($storageCfg[$service]['active'])) {
continue;
}
// skip if disabled...
if ($storageCfg[$service]['active'] != 1) {
continue;
}
// ...the same if no mount point was set
if (!isset($storageCfg[$service]['fsmount'])) {
continue;
}
// check that the mount point this service depends on is enabled, else skip it
$fsMount = $storageCfg[$service]['fsmount'];
if ($conf['system']['storage']['fsmounts'][$fsMount]['active'] != 1) {
continue;
}
// check that service has a callable function defined
if (!isset($svcFuncs[$service]['handler'])) {
$conf['system']['storage']['services'][$service]['active'] = -3;
$setup['cfgchanged'] = 1;
msgToSyslog("initialization for service ({$service}) failed because no handler available.");
continue;
}
/*
check that the required directory exists, else make it.
This also to avoid a system call except the very first time.
*/
$svcPath = "{$conf['system']['storage']['mountroot']}/{$fsMount}/{$svcFuncs[$service]['dirtree']}";
if (!is_dir($svcPath)) {
if (!mkdir($svcPath, 0766, true)) {
$conf['system']['storage']['services'][$service]['active'] = -1;
$setup['cfgchanged'] = 1;
msgToSyslog("making directory for service ({$service}) failed.");
}
}
$svcResult = call_user_func($svcFuncs[$service]['handler'], $svcPath);
if ($svcResult === false) {
// disable that service
$conf['system']['storage']['services'][$service]['active'] = -2;
$setup['cfgchanged'] = 1;
msgToSyslog("handler for service ({$service}) failed during execution.");
}
}
// check if configuration was changed due to some errors
if ($setup['cfgchanged'] != 0) {
// update configuration with current storage status
write_config();
// send this event to syslog
msgToSyslog('something went wrong during storage initialization, please check status using the UI.', LOG_ERR);
}
}
function mountStorageDevices(&$conf)
{
$log = array('cfgchanged' => 0, 'newdevs' => 0, 'fsappend' => array());
if (!is_array($conf['system']['storage']['fsmounts'])) {
return $log;
}
$devDisabled = 0;
$devUnchanged = 0;
$devConfigured = count($conf['system']['storage']['fsmounts']);
foreach (array_keys($conf['system']['storage']['fsmounts']) as $devMount) {
if (!is_array($conf['system']['storage']['fsmounts'][$devMount])) {
// empty set, ignore it
$devDisabled += 1;
continue;
}
if ($conf['system']['storage']['fsmounts'][$devMount]['active'] != 1) {
// disabled entry, ignore it
$devDisabled += 1;
continue;
}
$fullMntPath = "{$conf['system']['storage']['mountroot']}/{$devMount}";
// check that is not already mounted
if (isMountpoint($fullMntPath)) {
$devUnchanged += 1;
continue;
}
// make the fs mount point
if (!is_dir($fullMntPath)) {
if (!mkdir($fullMntPath, 0766, true)) {
// should never happen... but disable entry because will not mount
$conf['system']['storage']['fsmounts'][$devMount]['active'] = -1;
$devDisabled += 1;
$log['cfgchanged'] = 1;
continue;
}
}
// check that the device to be mounted is ready
$devFsId = $conf['system']['storage']['fsmounts'][$devMount]['uuid'];
$ready = waitDeviceFs($devFsId);
if ($ready === false) {
// device no longer exists? Anyway mark it as disabled
$conf['system']['storage']['fsmounts'][$devMount]['active'] = -2;
$devDisabled += 1;
$log['cfgchanged'] = 1;
continue;
}
$fsType = $conf['system']['storage']['fsmounts'][$devMount]['filesystem'];
$fsMntOpts = "-w -t {$fsType} -o noatime";
// mount the filesystem
$fstabFsId = mountPart($devFsId, $fullMntPath, $fsMntOpts);
if ($fstabFsId === false) {
$conf['system']['storage']['fsmounts'][$devMount]['active'] = -3;
$devDisabled += 1;
$log['cfgchanged'] = 1;
continue;
}
// update fstab buffer
$log['fsappend'][] = $fstabFsId;
}
// write down a new fstab if needed
$log['newdevs'] = count($log['fsappend']);
msgToSyslog("storage check complete ({$devConfigured} devices configured, {$log['newdevs']} activated, {$devUnchanged} unchanged, {$devDisabled} disabled).");
if ($log['newdevs'] > 0) {
setupFstab(getConfiguredDisks($conf, false, true), 'from');
msgToSyslog('fstab update complete.');
}
unset($log['fsappend']);
return $log;
}