/branches/1.0/www/farms_add.php

<? 
	require("src/prepend.inc.php"); 
    $display['load_extjs'] = true;
    //$display['no_extjs_style'] = true;
    

	set_time_limit(360);

		
	$req_farmid = ($req_farmid) ? $req_farmid : $req_id;
	
	if ($_SESSION['uid'] == 0)
    {
        if (!$req_farmid)   
            UI::Redirect("farms_view.php");
        else 
        {
            $uid = $db->GetOne("SELECT clientid FROM farms WHERE id='{$req_farmid}'");
        }
    }
    else 
    {
        $uid = $_SESSION['uid'];
    }
	
    $Client = Client::Load($uid);
    
    $used_slots = $db->GetOne("SELECT SUM(value) FROM farm_role_settings WHERE name=? 
        AND farm_roleid IN (SELECT id FROM farm_amis WHERE farmid IN (SELECT id FROM farms WHERE clientid=?))",
        array(DBFarmRole::SETTING_SCALING_MAX_INSTANCES, $Client->ID)
    );
    

    $client_max_instances = $Client->GetSettingValue(CLIENT_SETTINGS::MAX_INSTANCES_LIMIT);

    $i_limit = $client_max_instances ? $client_max_instances : CONFIG::$CLIENT_MAX_INSTANCES;

    

    $client_max_eips = $Client->GetSettingValue(CLIENT_SETTINGS::MAX_EIPS_LIMIT);

    $eips_limit = $client_max_eips ? $client_max_eips : CONFIG::$CLIENT_MAX_EIPS;

    

    $avail_slots = $i_limit - $used_slots;

    if ($avail_slots <= 5)
    	$display["warnmsg"] = sprintf(_("You have %s spare instances available on your account."), $avail_slots);
    
    if ($req_farmid)
	{
		$region = $db->GetOne("SELECT region FROM farms WHERE id=?", array($req_farmid));
		
		$display["title"] = _("Edit farm");
	}
    else
    {	
		$display["title"] = _("Farm builder");
    	
    	if (!$req_region)
	    {			
			$Smarty->assign($display);
			$Smarty->display("region_information_step.tpl");
			exit();
	    }
	    else
	    	$region = $req_region;
    }

    $display['region'] = $region;
    $_SESSION['farm_builder_region'] = $region;
        

    $Client = Client::Load($uid);    

	$AmazonEC2Client = AmazonEC2::GetInstance(AWSRegions::GetAPIURL($region)); 

	$AmazonEC2Client->SetAuthKeys($Client->AWSPrivateKey, $Client->AWSCertificate);

                    

    // Get Avail zones

    $avail_zones_resp = $AmazonEC2Client->DescribeAvailabilityZones();

    $display["avail_zones"] = array();

    

    // Random assign zone

    array_push($display["avail_zones"], "");

    

    foreach ($avail_zones_resp->availabilityZoneInfo->item as $zone)

    {

    	if (stristr($zone->zoneState,'available'))

    		array_push($display["avail_zones"], (string)$zone->zoneName);

    }

	

    // Get EBS Snapshots list

    $response = $AmazonEC2Client->DescribeSnapshots();



	$rowz = $response->snapshotSet->item;

		

	if ($rowz instanceof stdClass)

		$rowz = array($rowz);

			

	foreach ($rowz as $pk=>$pv)

	{		

		if ($pv->status == 'completed')

			$display['snapshots'][] = $pv->snapshotId;

	}

    
	//Get List of registered Scaling Algorithms
	$display['scaling_algos'] = array();
	foreach (RoleScalingManager::$ScalingAlgos as $Algo)
	{
        $algo_name = strtolower(str_replace("ScalingAlgo", "", get_class($Algo)));	
        $display['scaling_algos'][$algo_name] = array(
        	'based_on'	=> $Algo->GetAlgoDescription(),
        	'settings'	=> $Algo->GetConfigurationForm($display["farminfo"]["clientid"])
        );
	}
	
    if ($req_id)
    {
        $display["farminfo"] = $db->GetRow("SELECT * FROM farms WHERE id=?", array($req_id));
        
        if ($_SESSION['uid'] != 0 && $_SESSION['uid'] != $display["farminfo"]["clientid"])
            UI::Redirect("farms_view.php");
        
        if (!$display["farminfo"])
        {
            $errmsg = _("Farm not found");
            UI::Redirect("farms_view.php");
        }
        
        $servers = $db->GetAll("SELECT * FROM farm_amis WHERE farmid=? ORDER BY launch_index ASC", array($req_id));

        $display['roles'] = array();
        foreach ($servers as &$row)
        {
            $ami_info = $db->GetRow("SELECT * FROM ami_roles WHERE ami_id=?", array($row['ami_id']));

            if (!$ami_info)

            	continue;

            

        	$row["role"] = $ami_info["name"];

        	

        	$scripts = $db->GetAll("SELECT * FROM farm_role_scripts WHERE farmid=? AND ami_id=?", array($display["farminfo"]["id"], $row['ami_id']));

			$scripts_object = new stdClass();

			foreach ($scripts as $script)

			{

				if (substr($script['event_name'], 0, 11) != 'CustomEvent')
				{
					$scripts_object->{"{$script['event_name']}_{$script['scriptid']}"} = new stdClass();

					$scripts_object->{"{$script['event_name']}_{$script['scriptid']}"}->config = unserialize($script['params']);

					$scripts_object->{"{$script['event_name']}_{$script['scriptid']}"}->target = $script['target'];

					$scripts_object->{"{$script['event_name']}_{$script['scriptid']}"}->version = $script['version'];

					$scripts_object->{"{$script['event_name']}_{$script['scriptid']}"}->issync = $script['issync'];

					$scripts_object->{"{$script['event_name']}_{$script['scriptid']}"}->timeout = $script['timeout'];
					$scripts_object->{"{$script['event_name']}_{$script['scriptid']}"}->order_index = $script['order_index'];
				}

			}

        	

	        if ($ami_info['roletype'] == ROLE_TYPE::SHARED && $ami_info['clientid'] != 0)

	        {

	        	$author_info = $db->GetRow("SELECT fullname FROM clients WHERE id=?", array($ami_info['clientid']));

	        	$author = ($author_info['fullname']) ? $author_info['fullname'] : _('Scalr user');

	        }

	        else

	        	$author = false;

			
	        $DBFarmRole = DBFarmRole::LoadByID($row['id']);

	        $role_settings = $DBFarmRole->GetAllSettings();
	        
	        $role = array(

        		'name' 		=> $ami_info["name"],

        		'arch' 		=> $ami_info["architecture"],

        		'alias' 	=> $ami_info["alias"],

        		'ami_id'	=> $ami_info["ami_id"],

        		'type'		=> ROLE_ALIAS::GetTypeByAlias($ami_info["alias"]),

        		'description' => $ami_info["description"],

        		'scripts'	=> $scripts_object,

        		'author'	=> $author,
        		'settings'		=> $role_settings,
        		'launch_index'	=> (int)$row['launch_index'],

        		'options'	=> array(

        			'reboot_timeout'	=> $row['reboot_timeout'],

        			'launch_timeout'	=> $row['launch_timeout'],
        			'status_timeout'	=> $row['status_timeout'],

        			'placement'			=> ($row['avail_zone']) ? $row['avail_zone'] : "",

        			'i_type'			=> $row['instance_type'],

        			'use_elastic_ips'	=> ($row['use_elastic_ips'] == 1) ? true : false,

        			'use_ebs'			=> ($row['use_ebs'] == 1) ? true : false,

        			'ebs_size'			=> ($row['ebs_snapid']) ? 0 : $row['ebs_size'],

        			'ebs_snapid'		=> $row['ebs_snapid'],

        			'ebs_mount'			=> ($row['ebs_mount'] == 1) ? true : false,

        			'ebs_mountpoint'	=> $row['ebs_mountpoint']

        	));
        	
        	$scaling_algo_props = array();
        	$RoleScalingManager = new RoleScalingManager($DBFarmRole);
        	foreach ($RoleScalingManager->GetRegisteredAlgos() as $Algo)
        	{
        		$scaling_algo_props = array_merge($scaling_algo_props, $Algo->GetProperties());
        		
        		$algo_name = strtolower(str_replace("ScalingAlgo", "", get_class($Algo)));
        		$scaling_algo_props["scaling.{$algo_name}.enabled"] = $RoleScalingManager->IsAlgoEnabled($algo_name);
        	}
        	
        	$role['options']['scaling_algos'] = $scaling_algo_props;
        	

        	if ($ami_info["alias"] == ROLE_ALIAS::MYSQL)

        	{

        		$display['farm_mysql_role'] = $ami_info['ami_id'];
        		
        		$role['options']['mysql_bundle_every'] = $display["farminfo"]['mysql_rebundle_every'] ? $display["farminfo"]['mysql_rebundle_every'] : 48;

				$role['options']['mysql_make_backup_every'] = $display["farminfo"]['mysql_bcp_every'] ? $display["farminfo"]['mysql_bcp_every'] : 180;

				$role['options']['mysql_make_backup'] = ($display["farminfo"]['mysql_bcp'] == 1) ? true : false;

				$role['options']['mysql_bundle'] = ($display["farminfo"]['mysql_bundle'] == 1) ? true : false;
				
				$role['options']['mysql_data_storage_engine'] = $display["farminfo"]['mysql_data_storage_engine'] ? $display["farminfo"]['mysql_data_storage_engine'] : 'lvm';
				$role['options']['mysql_ebs_size'] = $display["farminfo"]['mysql_ebs_size'] ? $display["farminfo"]['mysql_ebs_size'] : 100;

        	}

        	array_push($display['roles'], $role);
        }
            
        $display["id"] = $req_id;
    }
    
    //Defaults
    $display["default_scaling_algos"] = array();
    foreach (RoleScalingManager::$ScalingAlgos as $Algo)
    {
        $DataForm = $Algo->GetConfigurationForm();
        foreach ($DataForm->ListFields() as $field)
        {
        	if ($field->FieldType != FORM_FIELD_TYPE::MIN_MAX_SLIDER)
        		$display['default_scaling_algos'][$field->Name] = $field->DefaultValue;
        	else
        	{
        		$s = explode(",", $field->DefaultValue);
        		$display['default_scaling_algos'][$field->Name.".min"] = $s[0];
        		$display['default_scaling_algos'][$field->Name.".max"] = $s[1];
        	}
        }
        
        $algo_name = strtolower(str_replace("ScalingAlgo", "", get_class($Algo)));
        $display['default_scaling_algos']["scaling.{$algo_name}.enabled"] = 0;
	}
        
    $display['default_scaling_algos'] = json_encode($display['default_scaling_algos']);
    

    $display['roles'] = json_encode($display['roles']);

    

    $r = new ReflectionClass("X86_64_TYPE");

    $display["64bit_types"] = array_values($r->getConstants());

    

    $r = new ReflectionClass("I386_TYPE");

    $display["32bit_types"] = array_values($r->getConstants());

    unset($r);
    

    $display["roles_descr"] = $db->GetAll("SELECT ami_id, name, description FROM ami_roles WHERE roletype=? OR (roletype=? and clientid=?)", 

    	array(ROLE_TYPE::SHARED, ROLE_TYPE::CUSTOM, $uid)

    );

    

    if ($req_configure == 1)

    	$display["ami_id"] = $req_ami_id;

    

    /**

     * Tabs

     */

    $display["tabs_list"] = array(

    	"general" => _("Settings"), 

    	"roles" => _("Roles"),
    	"rso"	=> _("Roles startup order")

   	);



   	$display["intable_tabs"] = array(

   		array("id" => "info", "name" => _("About"), "display" => ""),

   		array("id" => "scaling", "name" => _("Scaling"), "display" => ""),

   		array("id" => "mysql", "name" => _("MySQL settings"), "display" => "none"),

   		array("id" => "placement", "name" => _("Placement and type"), "display" => ""),

   		array("id" => "eips", "name" => _("Elastic IPs"), "display" => ""),

   		array("id" => "ebs", "name" => _("EBS"), "display" => ""),
   		array("id" => "dns", "name" => _("DNS"), "display" => ""),

   		array("id" => "timeouts", "name" => _("Timeouts"), "display" => ""),

   		array("id" => "scripts", "name" => _("Scripting"), "display" => ""),

   		array("id" => "params", "name" => _("Parameters"), "display" => "")

   	);

   	

   	$display['intable_selected_tab'] = "info";

   	

   	$display["help"] = _("Tick the checkbox to add the role to your farm.<br> Click on the role name to customize it's behavior");

   	
	require("src/append.inc.php"); 
?>