fustercluck

All the stuff that makes my fun cluster do the stuff it do.

Key Components

1. One or more raspberries pi per inventory.yml
2. SSH & Keys
3. Cloudalchemy's node_exporter role[^1] ansible-galaxy install cloudalchemy.node-exporter
4. Jeff Geerling's NFS Role

Requirements

1. `community.general.snap`

Steps

If adding a new Raspberry Pi node

1. Flash Pi SD
   1. Touch ssh in boot vol (/Volumes/boot on MacOS)
2. ssh to new host using default username/password
3. Copy pi user keys to controller
4. Run new_host_init.yml against the new host RaspberryPi.
   • ansible-playbook --private-key [key file] -u pi playbooks/new_host_init.yml
5. Run playbooks for appropriate node types

If adding a new host in general

1. Create ansible user and copy ansible keys to new host
2. Run new_host_init.yml against the host as the ansible user.
   • ansible-playbook --private-key [key file] -u pi playbooks/new_host_init.yml

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Footnotes

[1]: The CloudAlchemy role, if run from a Mac, requires export OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES (more detail here and here) and requires gnu-tar (brew install gnu-tar)