function openqrm_cloud_resource($cmd, $resource_fields)
{
global $event;
global $OPENQRM_SERVER_BASE_DIR;
global $OPENQRM_SERVER_IP_ADDRESS;
global $OPENQRM_EXEC_PORT;
$resource_id = $resource_fields["resource_id"];
$resource_ip = $resource_fields["resource_ip"];
$resource_mac = $resource_fields["resource_mac"];
// $event->log("openqrm_remove_resource", $_SERVER['REQUEST_TIME'], 5, "openqrm-cloud-resource-hook.php", "Handling $cmd event $resource_id/$resource_ip/$resource_mac", "", "", 0, 0, $resource_id);
switch ($cmd) {
case "remove":
if (strlen($resource_id)) {
// cloudrespool
$resource_pool = new cloudrespool();
$resource_pool->get_instance_by_resource($resource_id);
if (strlen($resource_pool->id)) {
$resource_pool->remove($resource_pool->id);
}
// cloudhostlimit
$resource_hostlimit = new cloudhostlimit();
$resource_hostlimit->get_instance_by_resource($resource_id);
if (strlen($resource_hostlimit->id)) {
$resource_hostlimit->remove($resource_hostlimit->id);
}
}
break;
}
}
function remove($resource_id, $virtualization_type, $name, $mac)
{
global $OPENQRM_SERVER_BASE_DIR;
global $OPENQRM_SERVER_IP_ADDRESS;
global $OPENQRM_EXEC_PORT;
global $RESOURCE_INFO_TABLE;
global $RootDir;
global $event;
// never remove the openQRM server resource
if ($resource_id == 0) {
return;
}
$vtype = new virtualization();
$vtype->get_instance_by_id($virtualization_type);
$virtualization_plugin_name = $vtype->get_plugin_name();
// remove the VM from host
$auto_resource = new resource();
$auto_resource->get_instance_by_id($resource_id);
$host_resource = new resource();
$host_resource->get_instance_by_id($auto_resource->vhostid);
$event->log("remove", $_SERVER['REQUEST_TIME'], 5, "cloudvm.class.php", "Trying to remove resource {$resource_id} type {$virtualization_plugin_name} on host {$host_resource->id} ({$mac})", "", "", 0, 0, 0);
// we need to have an openQRM server object too since some of the
// virtualization commands are sent from openQRM directly
$openqrm = new openqrm_server();
// plug in the virtualization cloud hook
$virtualization_cloud_hook = "{$RootDir}/plugins/{$virtualization_plugin_name}/openqrm-{$virtualization_plugin_name}-cloud-hook.php";
if (file_exists($virtualization_cloud_hook)) {
$event->log("remove", $_SERVER['REQUEST_TIME'], 5, "cloudvm.class", "Found plugin {$virtualization_plugin_name} handling to remove the VM.", "", "", 0, 0, $resource_id);
require_once "{$virtualization_cloud_hook}";
$virtualization_method = "remove_" . $vtype->type;
$virtualization_method = str_replace("-", "_", $virtualization_method);
$virtualization_method($host_resource->id, $name, $mac);
} else {
$event->log("cloud", $_SERVER['REQUEST_TIME'], 5, "cloudvm.class", "Do not know how to remove VM from type {$virtualization_plugin_name}.", "", "", 0, 0, 0);
return false;
}
// let plugin hooks settle
sleep(2);
// remove VM from hostlimit current_vms
$res_hostlimit = new cloudhostlimit();
$res_hostlimit->get_instance_by_resource($host_resource->id);
if (strlen($res_hostlimit->id)) {
if ($res_hostlimit->current_vms > 0) {
$current_vms = $res_hostlimit->current_vms - 1;
$cloud_hostlimit_fields["hl_current_vms"] = $current_vms;
$res_hostlimit->update($res_hostlimit->id, $cloud_hostlimit_fields);
}
}
// resource object remove
$auto_resource->remove($auto_resource->id, $auto_resource->mac);
$event->log("remove", $_SERVER['REQUEST_TIME'], 5, "cloudvm.class.php", "Removed resource {$resource_id}", "", "", 0, 0, 0);
}
function find_host_to_start_from_off($virtualization_type_id, $resource_pools_enabled, $cu_id, $timeout)
{
global $OPENQRM_SERVER_BASE_DIR;
global $OPENQRM_SERVER_IP_ADDRESS;
global $OPENQRM_EXEC_PORT;
global $RESOURCE_INFO_TABLE;
global $vmware_mac_address_space;
global $RootDir;
$this->init($timeout);
global $event;
// find out the host virtualization type via the plugin name
$vhost_type = new virtualization();
$vhost_type->get_instance_by_id($virtualization_type_id);
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 5, "cloudhoststartfromoff.class.php", "Trying to find a powered-off virtualization host from type {$vhost_type->type} {$vhost_type->name}", "", "", 0, 0, 0);
// for all in appliance list, find virtualization host appliances
$appliance_tmp = new appliance();
$appliance_id_list = $appliance_tmp->get_all_ids();
$in_active_appliance_list = array();
foreach ($appliance_id_list as $id_arr) {
foreach ($id_arr as $id) {
$appliance = new appliance();
$appliance->get_instance_by_id($id);
$sfo_resource = new resource();
$sfo_resource->get_instance_by_id($appliance->resources);
// state off ?
if (!strcmp($appliance->state, "stopped") && !strcmp($sfo_resource->state, "off")) {
if ($appliance->virtualization == $virtualization_type_id) {
// we have found an active appliance from the right virtualization type
//
// here we check if there is still enough space
// to create the new vm -> max_vm setting per resource
$res_hostlimit = new cloudhostlimit();
$res_hostlimit->get_instance_by_resource($appliance->resources);
if (strlen($res_hostlimit->id)) {
if ($res_hostlimit->max_vms >= 0) {
$new_current_vms = $res_hostlimit->current_vms + 1;
if ($new_current_vms >= $res_hostlimit->max_vms) {
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "Hostlimit max_vm is reached for resource {$appliance->resources}", "", "", 0, 0, $appliance->resources);
continue;
}
}
}
// resource pooling enabled ?
if (strcmp($resource_pools_enabled, "true")) {
// disabled, add any appliance from the right virtualization type
// $event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 5, "cloudhoststartfromoff.class.php", "resource pooling is disabled", "", "", 0, 0, 0);
// check if the resource can start-from-off
$can_start_from_off = $sfo_resource->get_resource_capabilities('SFO');
if ($can_start_from_off == 1) {
$in_active_appliance_list[] .= $id;
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 5, "cloudhoststartfromoff.class.php", "Resource pooling is disabled, adding appliance {$id}", "", "", 0, 0, 0);
} else {
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "Resource pooling is disabled, resource of appliance {$id} cannot start-from-off", "", "", 0, 0, 0);
}
} else {
// $event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "resource pooling is enabled $appliance->resources", "", "", 0, 0, 0);
// resource pooling enabled, check to which user group the resource belongs to
$private_resource = new cloudrespool();
$private_resource->get_instance_by_resource($appliance->resources);
// is this resource configured in the resource pools ?
// $event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "resource pool id $private_resource->id ", "", "", 0, 0, 0);
if (strlen($private_resource->id)) {
// $event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "resource $appliance->resources is in a resource pool", "", "", 0, 0, 0);
// is it hidden ?
if ($private_resource->cg_id >= 0) {
// $event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "resource $appliance->resources is also configured in resource pool (not hidden)", "", "", 0, 0, 0);
$cloud_user = new clouduser();
$cloud_user->get_instance_by_id($cu_id);
$cloud_user_group = new cloudusergroup();
$cloud_user_group->get_instance_by_id($cloud_user->cg_id);
// $event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "we have found the users group $cloud_user_group->id", "", "", 0, 0, 0);
// does it really belongs to the users group ?
if ($private_resource->cg_id == $cloud_user_group->id) {
// resource belongs to the users group, add appliance to list
// check if the resource can start-from-off
$sfo_resource = new resource();
$sfo_resource->get_instance_by_id($appliance->resources);
$can_start_from_off = $sfo_resource->get_resource_capabilities('SFO');
if ($can_start_from_off == 1) {
$in_active_appliance_list[] .= $id;
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 5, "cloudhoststartfromoff.class.php", "Adding appliance {$id}", "", "", 0, 0, 0);
} else {
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "Resource of appliance {$id} cannot start-from-off", "", "", 0, 0, 0);
}
} else {
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "Appliance {$id} (resource {$appliance->resources}) is NOT in dedicated for the users group", "", "", 0, 0, 0);
}
} else {
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "Appliance {$id} (resource {$appliance->resources}) is marked as hidden", "", "", 0, 0, 0);
}
} else {
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "Appliance {$id} (resource {$appliance->resources}) is NOT member of any resource pools", "", "", 0, 0, 0);
}
}
}
}
}
}
// did we found any active host ?
if (count($in_active_appliance_list) < 1) {
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "Warning ! There is no virtualization host type {$vhost_type->name} available to start-from-off", "", "", 0, 0, 0);
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "Warning : Giving up to start a virtualization host type {$vhost_type->name} from power-off state .....", "", "", 0, 0, 0);
return 0;
}
// simply take the first one
foreach ($in_active_appliance_list as $in_active_id) {
$in_active_appliance = new appliance();
$in_active_appliance->get_instance_by_id($in_active_id);
break;
}
// simply start the appliance, the rest will be done by the appliance start hook sending power-on
// monitor until it is fully up or timeout
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 5, "cloudhoststartfromoff.class.php", "Notice: Starting host appliance {$in_active_id}, waiting until it is fully active ...", "", "", 0, 0, 0);
$in_active_appliance->start();
// check until it is full up
$in_active_resource = new resource();
$sec_loops = 0;
while (0 == 0) {
echo " ";
flush();
sleep(2);
$sec_loops++;
$sec_loops++;
// check if the resource is active
$in_active_resource->get_instance_by_id($in_active_appliance->resources);
if (!strcmp($in_active_resource->state, "active")) {
// the host is up :) return the appliance id of the host
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 5, "cloudhoststartfromoff.class.php", "Notice: Host resource id {$in_active_resource->id} successfully started from power-off", "", "", 0, 0, 0);
return $in_active_id;
}
if ($this->timeout <= $sec_loops) {
$event->log("find_host_to_start_from_off", $_SERVER['REQUEST_TIME'], 2, "cloudhoststartfromoff.class.php", "Error:Timeout while waiting for resource id {$in_active_resource->id} to start-from-off", "", "", 0, 0, 0);
return 0;
}
}
}