Fetch slurmdbd configuration from S3 if available

Remove configuration of S3 mountpoint (now useless).

Signed-off-by: Jacopo De Amicis <[email protected]>

cookbooks/aws-parallelcluster-entrypoints/recipes/external_slurmdbd_config.rb

@@ -52,7 +52,7 @@
 
 include_recipe 'aws-parallelcluster-slurm::config_head_node_directories'
 
-include_recipe 'aws-parallelcluster-slurm::config_external_slurmdbd_s3_mountpoint'
+#include_recipe 'aws-parallelcluster-slurm::config_external_slurmdbd_s3_mountpoint'
 
 # TODO: move this template to a separate recipe
 # TODO: add a logic in update_munge_key.sh.erb to skip sharing munge key to shared dir
@@ -80,4 +80,6 @@
 # TODO: add a logic in munge_key_manager to skip sharing munge key to shared dir
 include_recipe 'aws-parallelcluster-slurm::config_munge_key'
 
+include_recipe 'aws-parallelcluster-slurm::retrieve_slurmdbd_config_from_s3'
+
 include_recipe "aws-parallelcluster-slurm::config_slurm_accounting"

cookbooks/aws-parallelcluster-slurm/recipes/config/retrieve_slurmdbd_config_from_s3.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+#
+# Cookbook:: aws-parallelcluster-slurm
+# Recipe:: retrieve_slurmdbd_config_from_s3
+#
+# Copyright:: 2013-2023 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with the
+# License. A copy of the License is located at
+#
+# http://aws.amazon.com/apache2.0/
+#
+# or in the "LICENSE.txt" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
+# OR CONDITIONS OF ANY KIND, express or implied. See the License for the specific language governing permissions and
+# limitations under the License.
+
+# WARNING: Mountpoint for Amazon S3 is a tool that allows you to mount an S3 bucket as a file system.
+# This is now GA, but it is still hosted on the AWS Labs repositories (https://github.com/awslabs/mountpoint-s3).
+# This is considered fine for the external slurmdbd stack.
+# A deeper evaluation would be required for further uses of this tool in AWS ParallelCluster.
+
+bucket_name = node['slurmdbd_conf_bucket']
+
+remote_object "slurmdbd.conf" do
+  url "s3://#{bucket_name}/slurmdbd.conf"
+  destination "opt/slurm/etc/slurm/slurmdbd.conf"
+  sensitive true
+  ignore_failure true
+end
+
+remote_object "slurm_external_slurmdbd.conf" do
+  url "s3://#{bucket_name}/slurm_external_slurmdbd.conf"
+  destination "opt/slurm/etc/slurm/slurm_external_slurmdbd.conf"
+  sensitive true
+  ignore_failure true
+end