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Status Delivered
Workspace Spectrum Symphony
Components Version 7.3
Created by Guest
Created on Aug 16, 2023

HostFactory should release all EC2 instances when all workloads are completed

Currently HF will not release the EC2 instances when prestarted instances are running even without workloads pending/running. In our case, we are using Terraform to provision the cluster, we need HF to release all the EC2 instances before tearing down the cluster with Terraform to avoid leftover resources. Also when there is no workload, we need to release all the dynamic EC2 instances to save cost.

Needed By Week
  • Guest
    Aug 21, 2023

    Per our discussion on 8/21/2023, we will need to have a parameter to enable/disable the following behavior:

    when there is no workload running/pending, HF should follow the existing policies to release all dynamic provisioned EC2 instances

  • Guest
    Aug 18, 2023

    Thanks Dennis for the follow-up. It will be very difficult to disable all apps before tearing down the cluster, a lot of extra processes across teams. For the second idea: Terraform will only destroy the resources created by itself so we are unable to direct Terraform to delete VMs provisioned by HF.

  • Admin
    Dennis Xiao
    Aug 17, 2023


    Is it possible to disable all apps before tearing down the cluster or just let the Terraform delete all VMs instead of depending on HF?

    Thanks, Dennis