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|
#!/usr/bin/env bash
# Generate access tokens for InfluxDB to submit monitoring and other
# telemetries.
set -eu
cd "${0%/*}/.."
influx_args=(
# Warning: you might want to modify this when you move the InfluxDB host
"--host" "http://ridcully:8086"
"--token" "$(pass 'nixos-secrets/influxdb/token/cynerd')"
)
monitoring_enabled() {
local hostname="$1"
[ "$(nix eval ".#nixosConfigurations.$hostname.config.cynerd.monitoring.enable")" = "true" ]
}
token_is_valid() {
[ "$(influx auth list "${influx_args[@]}" --json | jq "map(.token) | any(. == \"$1\")")" = "true" ]
}
ensure_token() {
local hostname="$1"
local token
pass_path="nixos-secrets/influxdb/token/$hostname"
if ! token="$(pass "$pass_path" 2>/dev/null)" \
|| ! token_is_valid "$token"; then
influx auth create -d "monitoring-$hostname" --write-buckets --json \
| jq -r '.token' \
| sed 's/^\(.*\)$/\1\n\1/' \
| pass insert -f "$pass_path"
fi
}
nix eval --json --apply 'builtins.attrNames' .#nixosConfigurations \
| jq -r '.[]' \
| while read -r hostname; do
if monitoring_enabled "$hostname"; then
ensure_token "$hostname"
fi
done;
|
