Task for checking available space

.gitignore

@@ -9,6 +9,7 @@ tasks/*
 !tasks/.htaccess
 !tasks/testTasks.php
 !tasks/testAliveTasks.php
+!tasks/chkFreeSpaceTasks.php
 
 # Ignore all logs files everywhere
 *.log

routes/api/tools.php

@@ -104,7 +104,7 @@
                 ;
 
                 $messageObject->addTo(new Address($recipient_mail, $recipient_name));
-		
+
 		$check_mail = $mailer->send($messageObject);
 
                 if( $check_mail == null ){
@@ -125,4 +125,36 @@
                         ->withHeader("Content-Type", "application/json");
     });
 
+    $group->get('/disk/free-space', function (Request $request, Response $response, array $args) {
+
+        $data = 0;
+
+        $app_configs = $this->get('configs')["app_configs"];
+        $base_path =$app_configs["paths"]["base_path"];
+
+        if(empty($_ENV["CRUNZ_BASE_DIR"])){
+            $crunz_base_dir = $base_path;
+        }else{
+            $crunz_base_dir = $_ENV["CRUNZ_BASE_DIR"];
+        }
+
+        if(empty($_ENV["LOGS_DIR"])) throw new Exception("ERROR - Logs directory configuration empty");
+
+        if(substr($_ENV["LOGS_DIR"], 0, 2) == "./"){
+            $LOGS_DIR = $base_path . "/" . $_ENV["LOGS_DIR"];
+        }else{
+            $LOGS_DIR = $_ENV["LOGS_DIR"];
+        }
+
+        $total_space = $total_space_disp = disk_total_space($LOGS_DIR);
+        $free_space = $free_space_disp = disk_free_space($LOGS_DIR);
+        $used_space = $used_space_disp = $total_space - $free_space;
+
+        $data = $free_space;
+
+        $response->getBody()->write(json_encode($data, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT));
+        return $response->withStatus(200)
+                        ->withHeader("Content-Type", "application/json");
+    });
+
 });

tasks/chkFreeSpaceTasks.php

@@ -0,0 +1,101 @@
+<?php
+
+use Crunz\Schedule;
+use Symfony\Component\Yaml\Yaml;
+use Symfony\Component\Mailer\Transport;
+use Symfony\Component\Mailer\Mailer;
+use Symfony\Component\Mime\Email;
+use Symfony\Component\Mime\Address;
+
+$schedule = new Schedule();
+
+$task = $schedule->run(function() {
+
+    $aRESULT = [];
+
+    try {
+
+        $base_path = __DIR__."/..";
+
+        if(!file_exists ( $base_path."/crunz.yml" )) throw new Exception("ERROR - Crunz.yml configuration file not found");
+        $crunz_config_yml = file_get_contents($base_path."/crunz.yml");
+
+        if(empty($crunz_config_yml)) throw new Exception("ERROR - Crunz configuration file empty");
+
+        try {
+            $crunz_config = Yaml::parse($crunz_config_yml);
+        } catch (ParseException $exception) {
+            throw new Exception("ERROR - Crunz configuration file error");
+        }
+
+
+        $dotenv = Dotenv\Dotenv::createImmutable($base_path);
+        $dotenv->load();
+
+        if(empty($_ENV["LOGS_DIR"])) throw new Exception("ERROR - Logs directory configuration empty");
+
+        if(substr($_ENV["LOGS_DIR"], 0, 2) == "./"){
+            $LOGS_DIR = $base_path . "/" . $_ENV["LOGS_DIR"];
+        }else{
+            $LOGS_DIR = $_ENV["LOGS_DIR"];
+        }
+
+        $free_space = $free_space_disp = disk_free_space($LOGS_DIR);
+
+        $megabyte_alert = 300;
+
+        $subject = 'Low space warning';
+        $message = "The log partition is running out of space. ".number_format($free_space_disp / 1024 / 1024, 2)."Mb left.";
+
+        if($free_space < ($megabyte_alert * 1024 * 1024)){
+
+            if(    !empty($crunz_config)
+                && !empty($crunz_config["mailer"])
+                && !empty($crunz_config["mailer"]["transport"]) && $crunz_config["mailer"]["transport"] == 'smtp'
+                && !empty($crunz_config["mailer"]["recipients"])
+                && !empty($crunz_config["mailer"]["sender_name"])
+                && !empty($crunz_config["mailer"]["sender_email"])
+                && !empty($crunz_config["smtp"])
+                && !empty($crunz_config["smtp"]["host"])
+                && !empty($crunz_config["smtp"]["port"])
+            ){
+
+                $userPart = '';
+                if(!empty($crunz_config["smtp"]["username"])){
+                    $userPart = $crunz_config["smtp"]["username"].":".$crunz_config["smtp"]["password"]."@";
+                }
+
+                $dsn = "smtp://".$userPart.$crunz_config["smtp"]["host"].":".$crunz_config["smtp"]["port"]."?verifyPeer=".$crunz_config["smtp"]["encryption"];
+
+                $transport = Transport::fromDsn($dsn);
+                $mailer = new Mailer($transport);
+
+                $from = new Address($crunz_config["mailer"]["sender_email"], $crunz_config["mailer"]["sender_name"]);
+
+                $messageObject = (new Email())
+                    ->from($from)
+                    ->subject($subject)
+                    ->text($message)
+                ;
+
+                foreach ($crunz_config["mailer"]["recipients"] ?? [] as $recipient_name => $recipient_mail) {
+                    $messageObject->addTo(new Address($recipient_mail, $recipient_name));
+                }
+
+                $mailer->send($messageObject);
+            }else{
+                throw new Exception("ERROR - Email configuration not present");
+            }
+        }
+
+    } catch (Exception $e) {
+        throw new Exception($e->getMessage());
+    }
+
+});
+
+$task
+->description('Check available disk space. Possibly warns in case of running out of space.')
+->daily();
+
+return $schedule;