Adding support to upgrade kernel while building AMI (#447)

awslabs · Apr 8, 2020 · fcf6ea5 · fcf6ea5
1 parent d6e021b
commit fcf6ea5
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diff --git a/eks-worker-al2.json b/eks-worker-al2.json
@@ -117,10 +117,17 @@
           "ADDITIONAL_YUM_REPOS={{user `additional_yum_repos`}}"
         ]
     },
+    {
+      "type": "shell",
+      "remote_folder": "{{ user `remote_folder`}}",
+      "expect_disconnect": true,
+      "script": "{{template_dir}}/scripts/upgrade_kernel.sh"
+    },
     {
       "type": "shell",
       "remote_folder": "{{ user `remote_folder`}}",
       "script": "{{template_dir}}/scripts/install-worker.sh",
+      "pause_before": "90s",
       "environment_vars": [
         "KUBERNETES_VERSION={{user `kubernetes_version`}}",
         "KUBERNETES_BUILD_DATE={{user `kubernetes_build_date`}}",

diff --git a/scripts/upgrade_kernel.sh b/scripts/upgrade_kernel.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+set -o pipefail
+set -o nounset
+set -o errexit
+
+sudo yum update -y kernel
+sudo reboot