From 40e0ffbda8396c088413e0f769525faf9450553a Mon Sep 17 00:00:00 2001
From: Hassy Veldstra <h@veldstra.org>
Date: Thu, 17 Oct 2024 12:02:19 +0100
Subject: [PATCH] feat: stagger startup of containers on Azure (#3371)

---
 packages/artillery/lib/platform/az/aci.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/artillery/lib/platform/az/aci.js b/packages/artillery/lib/platform/az/aci.js
index 37a9b4efe4..e9771b0cac 100644
--- a/packages/artillery/lib/platform/az/aci.js
+++ b/packages/artillery/lib/platform/az/aci.js
@@ -320,6 +320,15 @@ class PlatformAzureACI {
       const { workerId } = await this.createWorker();
       this.workers[workerId] = { workerId };
       await this.runWorker(workerId);
+
+      if (i > 0 && i % 10 === 0) {
+        const delayMs =
+          Math.floor(
+            Math.random() *
+              parseInt(process.env.AZURE_LAUNCH_STAGGER_SEC || '10', 10)
+          ) * 1000;
+        await sleep(delayMs);
+      }
     }
 
     let instancesCreated = false;