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// SPDX-FileCopyrightText: 2020 Serokell <https://serokell.io/>
//
// SPDX-License-Identifier: MPL-2.0
use std::borrow::Cow;
use std::path::PathBuf;
#[macro_export]
macro_rules! good_panic {
($($tts:tt)*) => {{
error!($($tts)*);
std::process::exit(1);
}}
}
pub mod data;
pub mod deploy;
pub mod push;
#[derive(PartialEq, Debug)]
pub struct DeployFlake<'a> {
pub repo: &'a str,
pub node: Option<&'a str>,
pub profile: Option<&'a str>,
}
pub fn parse_flake(flake: &str) -> DeployFlake {
let flake_fragment_start = flake.find('#');
let (repo, maybe_fragment) = match flake_fragment_start {
Some(s) => (&flake[..s], Some(&flake[s + 1..])),
None => (flake, None),
};
let (node, profile) = match maybe_fragment {
Some(fragment) => {
let fragment_profile_start = fragment.find('.');
match fragment_profile_start {
Some(s) => (Some(&fragment[..s]), Some(&fragment[s + 1..])),
None => (Some(fragment), None),
}
}
None => (None, None),
};
DeployFlake {
repo,
node,
profile,
}
}
#[test]
fn test_parse_flake() {
assert_eq!(
parse_flake("../deploy/examples/system#example"),
DeployFlake {
repo: "../deploy/examples/system",
node: Some("example"),
profile: None
}
);
assert_eq!(
parse_flake("../deploy/examples/system#example.system"),
DeployFlake {
repo: "../deploy/examples/system",
node: Some("example"),
profile: Some("system")
}
);
assert_eq!(
parse_flake("../deploy/examples/system"),
DeployFlake {
repo: "../deploy/examples/system",
node: None,
profile: None,
}
);
}
pub struct DeployData<'a> {
pub sudo: Option<String>,
pub ssh_user: Cow<'a, str>,
pub profile_user: Cow<'a, str>,
pub profile_path: String,
pub current_exe: PathBuf,
}
pub async fn make_deploy_data<'a>(
profile_name: &str,
node_name: &str,
merged_settings: &'a data::GenericSettings,
) -> Result<DeployData<'a>, Box<dyn std::error::Error>> {
let ssh_user: Cow<str> = match &merged_settings.ssh_user {
Some(u) => u.into(),
None => whoami::username().into(),
};
let profile_user: Cow<str> = match &merged_settings.user {
Some(x) => x.into(),
None => match &merged_settings.ssh_user {
Some(x) => x.into(),
None => good_panic!(
"Neither user nor sshUser set for profile `{}` of node `{}`",
profile_name,
node_name
),
},
};
let profile_path = match &profile_user[..] {
"root" => format!("/nix/var/nix/profiles/{}", profile_name),
_ => format!(
"/nix/var/nix/profiles/per-user/{}/{}",
profile_user, profile_name
),
};
let sudo: Option<String> = match merged_settings.user {
Some(ref user) if user != &ssh_user => Some(format!("sudo -u {}", user)),
_ => None,
};
let current_exe = std::env::current_exe().expect("Expected to find current executable path");
if !current_exe.starts_with("/nix/store/") {
good_panic!("The deploy binary must be in the Nix store");
}
Ok(DeployData {
sudo,
ssh_user,
profile_user,
profile_path,
current_exe,
})
}
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