SlaTimeline: Fix division by zero error

Icinga · Feb 13, 2023 · 7950d89 · 7950d89
1 parent 72bfa88
commit 7950d89
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/library/Icingadb/ProvidedHook/Reporting/Common/SlaTimeline.php b/library/Icingadb/ProvidedHook/Reporting/Common/SlaTimeline.php
@@ -62,9 +62,9 @@ public function setInitialHardState(int $state): self
  /**
  * Get the calculated SLA result of this timeline
  *
- * @return float
+ * @return ?float
  */
- public function getResult(): float
+ public function getResult(): ?float
  {
  $problemTime = 0;
  $activeDowntimes = 0;
@@ -97,6 +97,10 @@ public function getResult(): float
  $this->problemTime = $problemTime;
  $this->totalTime = $totalTime;
 
+ if ($totalTime <= 0) {
+ return null;
+ }
+
  return 100 * ($totalTime - $problemTime) / $totalTime;
  }