feature(Tinebase/cli): monitoring mail server for/imap/smtp/sieve

Change-Id: I99a005a7a4b82c5c080061929077584c23f8f827
tine20 · Apr 23, 2021 · b771826 · b771826
1 parent 557e86d
commit b771826
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diff --git a/tests/tine20/Tinebase/Frontend/CliTest.php b/tests/tine20/Tinebase/Frontend/CliTest.php
@@ -382,6 +382,19 @@ public function testMonitoringCheckCache()
         self::assertStringContainsString('CACHE ', $out);
         self::assertLessThanOrEqual(1, $result);
     }
+
+    /**
+     * testMonitoringMailServers
+     */
+    public function testMonitoringMailServers()
+    {
+        ob_start();
+        $result = $this->_cli->monitoringMailServers();
+        $out = ob_get_clean();
+
+        self::assertStringContainsString('CONNECTION ', $out);
+        self::assertLessThanOrEqual(1, $result);
+    }
 
     /**
      * test cleanNotes

diff --git a/tine20/Tinebase/Frontend/Cli.php b/tine20/Tinebase/Frontend/Cli.php
@@ -1533,6 +1533,59 @@ public function monitoringCheckCache()
         return $result;
     }
 
+    /**
+     * nagios monitoring for mail servers
+     * imap/smtp/sieve
+     *
+     * @return integer
+     *
+     * @see http://nagiosplug.sourceforge.net/developer-guidelines.html#PLUGOUTPUT
+     */
+    public function monitoringMailServers() {
+        $result = 0;
+        $servers = [
+            Tinebase_Config::SMTP,
+            Tinebase_Config::IMAP,
+            Tinebase_Config::SIEVE
+        ];
+
+        $message = "\n";
+
+        foreach ($servers as $server) {
+            $serverConfig = Tinebase_Config::getInstance()->{$server};
+
+            $host = isset($serverConfig->{'hostname'}) ? $serverConfig->{'hostname'} : $serverConfig->{'host'};
+            $port = $serverConfig->{'port'};
+
+            $message .= $server . ' | host: '. $host . ' | port: ' . $port;
+
+            if (empty($host) || empty($port)) {
+                $message .= ' -> INVALID VALUE' . PHP_EOL;
+                $result = 2;
+                continue;
+            }
+
+            $output = shell_exec('nc -d -N -w3 ' . $host . ' ' . $port . PHP_EOL);
+
+            if ($output) {
+                if (strpos($output, 'OK') || strstr($output, '220')) {
+                    $message .= ' -> CONNECTION OK' . PHP_EOL;
+                } else {
+                    $message .= ' -> CONNECTION ERROR' . PHP_EOL;
+                    $result = 1;
+                }
+
+                $message .= PHP_EOL . $output . PHP_EOL;
+            } else {
+                $message .= ' -> CONNECTION FAILED' . PHP_EOL;
+                $result = 2;
+            }
+        }
+
+        echo $message . "\n";
+        return $result;
+    }
+
     /**
      * undo changes to records defined by certain criteria (user, date, fields, ...)
      *