commit 0c588d5a5e55dbe77d06e6a9e188ac60fccee632
author Dmitry Puzikov <dmitry.puzikov@tieto.com> Thu Apr 25 14:53:03 2019 +0200
committer Alexis de Talhouët <adetalhouet89@gmail.com> Fri May 10 17:53:28 2019 +0000
tree d106dea4d2c69591fe5caafd4335fc7fd7a7451f
parent d0101df34803d6266c8ae3be2be3befd79e459de

Add deviation in readiness check sleep time

Added some random delay avoiding massive
parallel call of k8s API by multiple
readiness-check containers

Change-Id: Ia5e6e49b91db9f0339ab828734eedb94eb3029cb
Issue-ID: INT-1045
Signed-off-by: Dmitry Puzikov <dmitry.puzikov@tieto.com>

kubernetes/readiness/docker/init/job_complete.py

diff --git a/kubernetes/readiness/docker/init/job_complete.py b/kubernetes/readiness/docker/init/job_complete.py
index 2b3180a..b20cb5a 100644
--- a/kubernetes/readiness/docker/init/job_complete.py
+++ b/kubernetes/readiness/docker/init/job_complete.py
@@ -4,6 +4,7 @@
 import os
 import sys
 import time
+import random
 
 from kubernetes import client
 
@@ -91,7 +92,8 @@
                 log.warning("timed out waiting for '" + job_name + "' to be completed")
                 exit(1)
             else:
-                time.sleep(5)
+                # spread in time potentially parallel execution in multiple containers
+                time.sleep(random.randint(5, 11))
 
 if __name__ == "__main__":
     main(sys.argv[1:])
\ No newline at end of file

kubernetes/readiness/docker/init/ready.py

diff --git a/kubernetes/readiness/docker/init/ready.py b/kubernetes/readiness/docker/init/ready.py
index 20872f9..0e133ea 100644
--- a/kubernetes/readiness/docker/init/ready.py
+++ b/kubernetes/readiness/docker/init/ready.py
@@ -4,6 +4,7 @@
 import os
 import sys
 import time
+import random
 
 from kubernetes import client
 
@@ -154,7 +155,8 @@
                 log.warning("timed out waiting for '" + container_name + "' to be ready")
                 exit(1)
             else:
-                time.sleep(5)
+                # spread in time potentially parallel execution in multiple containers
+                time.sleep(random.randint(5, 11))
 
 if __name__ == "__main__":
     main(sys.argv[1:])