nixcfg/gather.sh

#!/usr/bin/env bash

# Get all nodes with deployment data
NODES="$(colmena eval -E '
  {nodes, lib, ...}:
  with lib;
  
  mapAttrs
    (_: node: with node.config.deployment; "${targetUser}@${targetHost}")
    nodes
')"

# Filter to single node if parameter is set
if [[ "$1" != "" ]]; then
	NODES="$(jq "{ \"$1\" }" <<< "$NODES")"
fi

# Convert nodes to array of <user>@<host>
mapfile -t NODES < <(jq -r '.[]' <<< "$NODES")

for NODE in "${NODES[@]}"; do
	echo "-- ${NODE} --"
	ssh "${NODE}" "/run/gather" \
    | tar xv --dereference --directory "." \
    || true
done