Add manual kernel headers installation to unblock user-data execution (…

…#5386)

terraform-aws-github-runner/modules/runners-instances/templates/user-data.sh

@@ -76,7 +76,15 @@ USER_NAME=ec2-user
 ${install_config_runner}
 
 retry sudo $PKG_MANAGER groupinstall -y 'Development Tools'
-retry sudo $PKG_MANAGER install -y "kernel-devel-uname-r == $(uname -r)"
+retry sudo $PKG_MANAGER install -y "kernel-devel == $(uname -r)" || true
+
+# Needed since kernel 4.14.336-257.562 is not currently available in package managers
+(
+  pushd /usr/src/kernels/
+  aws s3 cp s3://ossci-linux/4.14.336-257.562.amzn2.x86_64.tar.gz .
+  tar xvzf 4.14.336-257.562.amzn2.x86_64.tar.gz
+)
+
 
 echo Checking if nvidia install required ${nvidia_driver_install}
 %{ if nvidia_driver_install ~}