From 9ef8d2b823f8bb0f3172c8f4955cc44e8b4587f7 Mon Sep 17 00:00:00 2001
From: George Kalpakas <kalpakas.g@gmail.com>
Date: Thu, 31 Jan 2019 14:33:23 +0200
Subject: [PATCH] ci: keep job alive when yarn request takes more than 10
 minutes (#28458)

Occasionally, yarn's requests take more than 10 minutes to
complete/fail, by which time CircleCI jobs due to no output.

This commit works around the issue by periodically printing something to
stdout.

PR Close #28458
---
 .circleci/config.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 23517ec50a..82ea17b63b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -54,7 +54,13 @@ var_7: &post_checkout
 var_8: &yarn_install
   run:
     name: Running Yarn install
-    command: yarn install --frozen-lockfile --non-interactive
+    command: |
+      # Yarn's requests sometimes take more than 10mins to complete.
+      # Print something to stdout, to prevent CircleCI from failing due to not output.
+      while true; do sleep 60; echo "[`date`] Keeping alive..."; done &
+      KEEP_ALIVE_PID=$!
+      yarn install --frozen-lockfile --non-interactive
+      kill $KEEP_ALIVE_PID
 
 var_9: &setup_circleci_bazel_config
   run: