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use std::{collections::HashMap, path::Path};
use crate::Hydration;
use anyhow::{anyhow, bail, Result};
use async_process::{Command, Stdio};
use async_trait::async_trait;
use futures::future::try_join_all;
use itertools::Itertools;
use log::{debug, info};
use serde::Deserialize;
use url::Url;
use super::Provider;
#[derive(Default)]
pub struct Doppler {
urls: Vec<Url>,
}
impl Doppler {
pub fn new() -> Self {
Default::default()
}
}
#[derive(Deserialize)]
struct DopplerExport {
computed: String,
}
#[async_trait]
impl Provider for Doppler {
fn add(&mut self, value: String) -> Result<()> {
match Url::parse(&value) {
std::result::Result::Ok(url) if url.scheme() == "doppler" => {
self.urls.push(url);
Ok(())
}
_ => bail!("Not a doppler scheme"),
}
}
async fn resolve(&self, _: &Path) -> Result<Hydration> {
let fetches = self
.urls
.iter()
.into_group_map_by(|u| {
let port = match u.port() {
Some(port) => format!(":{}", port),
None => "".to_string(),
};
format!("{}{}", u.host().expect("Missing host"), port)
})
.into_iter()
.flat_map(|(host, group)| {
group
.into_iter()
.into_group_map_by(|u| u.path().split('/').nth(1).expect("Missing project"))
.into_iter()
.flat_map(|(project, group)| {
group
.into_iter()
.into_group_map_by(|u| u.path().split('/').nth(2).expect("Missing env"))
.into_iter()
.map(|(env, group)| {
let vars = group
.iter()
.map(|u| {
(
u.path().split('/').nth(3).expect("Missing variable"),
u.to_string(),
)
})
.collect::<HashMap<_, _>>();
let host = host.clone();
async move {
let cmd = [
"doppler",
"--api-host",
&format!("https://{}", host),
"secrets",
"--project",
project,
"--config",
env,
"--json",
];
info!("{}", cmd.join(" "));
let child = match Command::new(cmd[0])
.args(&cmd[1..])
.stdout(Stdio::piped())
.stderr(Stdio::piped())
.output()
.await {
Err(e) if e.kind() == std::io::ErrorKind::NotFound => {
bail!("Doppler CLI not found. Make sure the binary is in your PATH or install it from https://docs.doppler.com/docs/install-cli.")
},
Err(e) => {
bail!("Doppler error: {e}")
},
Ok(child) => child,
};
let loaded = serde_json::from_slice::<
HashMap<String, DopplerExport>,
>(
&child.stdout
)
.map_err(|err| {
let stderr = String::from_utf8_lossy(&child.stderr);
anyhow!("Doppler error: {err} (stderr: {stderr})",)
})?;
let hydration = vars
.into_iter()
.map(|(key, var)| {
(
var,
loaded
.get(key)
.unwrap_or_else(|| panic!(
"Variable not found in Doppler: {}",
key
))
.computed
.clone(),
)
})
.collect::<Hydration>();
debug!("hydration: {:?}", hydration);
Ok(hydration)
}
})
.collect::<Vec<_>>()
})
.collect::<Vec<_>>()
})
.collect::<Vec<_>>();
Ok(try_join_all(fetches).await?.into_iter().flatten().collect())
}
}