[Bug]: Default cloud-init settings do not persist data

[spresse1]

Describe the bug

When restarting OpenCHAMI after doing an install based on the tutorial (https://openchami.org/docs/tutorial/), I noticed that cloud-init was not persisting data and I had to reload it every time. As far as I can tell, this is due to the default settings being for an in-memory database.

Setting STORAGE_BACKEND=quack and DB_PATH=/cloud-init/cloud-init.db seems to fix this.

Steps to reproduce

1. Install cluster per https://openchami.org/docs/tutorial/
2. Upload data to cloud-init
3. Restart OpenCHAMI
4. Note that cloud-init data is no longer present

Relevant log output

Code of Conduct

• I agree to follow this project's Code of Conduct

[spresse1]

For the record, I am willing to work on this one - it should be a two-line change to systemd/configs/openchami.env.