From 512eb62eeb19318b34ba3087ad27a869dfec4f89 Mon Sep 17 00:00:00 2001
From: Ruben Orduz <rubenoz@gmail.com>
Date: Wed, 27 Jun 2018 16:59:55 -0400
Subject: [PATCH] adds post install step to kubeadm deb built by bazel

Signed-off-by: Ruben Orduz <rubenoz@gmail.com>
---
 build/debs/BUILD    |  1 +
 build/debs/postinst | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 build/debs/postinst

diff --git a/build/debs/BUILD b/build/debs/BUILD
index 17ee17563c..1280e46d76 100644
--- a/build/debs/BUILD
+++ b/build/debs/BUILD
@@ -164,6 +164,7 @@ k8s_deb(
     description = """Kubernetes Cluster Bootstrapping Tool
 The Kubernetes command line tool for bootstrapping a Kubernetes cluster.
 """,
+    postinst = "postinst",
     version_file = "//build:os_package_version",
 )
 
diff --git a/build/debs/postinst b/build/debs/postinst
new file mode 100644
index 0000000000..30a396bb16
--- /dev/null
+++ b/build/debs/postinst
@@ -0,0 +1,30 @@
+#!/bin/sh
+# see: dh_installdeb(1)
+
+set -o errexit
+set -o nounset
+
+case "$1" in
+    configure)
+        # because kubeadm package adds kubelet drop-ins, we must daemon-reload
+        # and restart kubelet now. restarting kubelet is ok because kubelet
+        # postinst configure step auto-starts it.
+        systemctl daemon-reload 2>/dev/null || true
+        systemctl restart kubelet 2>/dev/null || true
+    ;;
+
+    abort-upgrade|abort-remove|abort-deconfigure)
+    ;;
+
+    *)
+        echo "postinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0
\ No newline at end of file