From 0dd497640a6e994657042534a4ec2d57e382403e Mon Sep 17 00:00:00 2001
From: Jakub <i+github@always.fail>
Date: Thu, 25 Nov 2021 22:22:08 +0100
Subject: [PATCH] ci: throttle builds to avoid tests clashing (#3127)
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Uses:
https://plugins.jenkins.io/throttle-concurrents/#example-1-throttling-of-node-runs

The `nimbus-eth` category limits builds to one per node in global settings.

Signed-off-by: Jakub Sokołowski <jakub@status.im>
---
 Jenkinsfile | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/Jenkinsfile b/Jenkinsfile
index b3a6d1aca..f1ab34401 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -93,16 +93,20 @@ def runStages() {
 
 parallel(
 	"Linux": {
-		node("linux") {
-			withEnv(["NPROC=${sh(returnStdout: true, script: 'nproc').trim()}"]) {
-				runStages()
+		throttle(['nimbus-eth2']) {
+			node("linux") {
+				withEnv(["NPROC=${sh(returnStdout: true, script: 'nproc').trim()}"]) {
+					runStages()
+				}
 			}
 		}
 	},
 	"macOS": {
-		node("macos") {
-			withEnv(["NPROC=${sh(returnStdout: true, script: 'sysctl -n hw.logicalcpu').trim()}"]) {
-				runStages()
+		throttle(['nimbus-eth2']) {
+			node("macos") {
+				withEnv(["NPROC=${sh(returnStdout: true, script: 'sysctl -n hw.logicalcpu').trim()}"]) {
+					runStages()
+				}
 			}
 		}
 	},