git.delta.rocks / jrsonnet / refs/commits / f59b0688ddd0

1use std::{2	collections::{BTreeMap, HashMap},3	path::PathBuf,4};56use anyhow::{bail, Context, Result};7use clap::Parser;8use fleet_base::host::Config;9use nix_eval::nix_go;10use serde::Deserialize;11use serde_json::Value;12use tokio::{fs::copy, process::Command};1314#[derive(Deserialize)]15pub struct TfData {16	// Dummy17	#[allow(dead_code)]18	managed: bool,19	// Host => Data20	#[serde(default)]21	#[serde(skip_serializing_if = "BTreeMap::is_empty")]22	pub hosts: BTreeMap<String, Value>,23}2425#[derive(Parser)]26pub enum Tf {27	/// Generate fleet.tf.json file for running terraform.28	Generate,29	/// Fetch data from terraform to fleet.30	Refresh,31}32impl Tf {33	pub async fn run(&self, config: &Config) -> Result<()> {34		match self {35			Tf::Generate => {36				let system = &config.local_system;37				let config = &config.config_field;38				let data: HashMap<String, PathBuf> = nix_go!(config.tf({ system })).build().await?;39				let data = &data["out"];4041				copy(data, "fleet.tf.json").await?;42			}43			Tf::Refresh => {44				let cmd = Command::new("terraform").arg("refresh").status().await?;45				if !cmd.success() {46					bail!("terraform refresh failed")47				}4849				let data = Command::new("terraform")50					.arg("output")51					.arg("-json")52					.arg("fleet")53					.output()54					.await?;55				let tf_data: TfData = serde_json::from_slice(&data.stdout)56					.context("failed to parse terraform fleet output")?;5758				let mut data = config.data();59				data.extra.insert(60					"terraformHosts".to_owned(),61					serde_json::to_value(tf_data.hosts).expect("should be valid extra"),62				);63			}64		}6566		Ok(())67	}68}