prometheus importer line validation

basis-company · Sep 13, 2021 · 23b39d5 · 23b39d5
1 parent 931a280
commit 23b39d5
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/Metrics/Importer/PrometheusImporter.php b/src/Metrics/Importer/PrometheusImporter.php
@@ -32,7 +32,12 @@ public function fromString(string $string, string $prefix = ''): self
 
     private function parseInfoLine(string $line, string $prefix)
     {
-        [$_, $type, $nick, $value] = explode(' ', $line, 4);
+        $parts = explode(' ', $line, 4);
+        if (count($parts) < 4) {
+            return null;
+        }
+
+        [$_, $type, $nick, $value] = $parts;
         if ($prefix && strpos($nick, $prefix) === 0) {
             $nick = substr($nick, strlen($prefix));
         }