dynamodb_info

in cookbooks/aws-parallelcluster-slurm/libraries/helpers.rb [29:49]

• 16 lines of code
• 5 McCabe index (conditional complexity)

def dynamodb_info(aws_connection_timeout_seconds: 30, aws_read_timeout_seconds: 60, shell_timout_seconds: 300)
  output = Mixlib::ShellOut.new("#{cookbook_virtualenv_path}/bin/aws dynamodb " \
                      "--region #{node['cluster']['region']} query --table-name #{node['cluster']['slurm_ddb_table']} " \
                      "--index-name InstanceId --key-condition-expression 'InstanceId = :instanceid' " \
                      "--expression-attribute-values '{\":instanceid\": {\"S\":\"#{node['ec2']['instance_id']}\"}}' " \
                      "--projection-expression 'Id' " \
                      "--cli-connect-timeout #{aws_connection_timeout_seconds} " \
                      "--cli-read-timeout #{aws_read_timeout_seconds} " \
                      "--output text --query 'Items[0].[Id.S]'",
                                user: 'root',
                                timeout: shell_timout_seconds).run_command.stdout.strip

  raise "Failed when retrieving Compute info from DynamoDB" if output.nil? || output.empty? || output == "None"

  slurm_nodename = output

  Chef::Log.info("Retrieved Slurm nodename is: #{slurm_nodename}")

  slurm_nodename
end