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3 Commits

Author SHA1 Message Date
Mikaël Cluseau
5b033bf5ab wip 2024-06-28 21:54:17 +02:00
Mikaël Cluseau
57064a39b6 no real benefit vs go for now 2024-05-15 09:59:57 +11:00
Mikaël Cluseau
7c85855281 introduce rust 2024-04-29 12:54:25 +02:00
17 changed files with 962 additions and 9 deletions

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@ -6,3 +6,4 @@ go.work.sum
modd.*conf
test-initrd*
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target

1
.gitignore vendored
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@ -5,3 +5,4 @@
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15
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@ -1,4 +1,17 @@
from golang:1.21.6-alpine3.19 as build
# ------------------------------------------------------------------------
from rust:1.79.0-alpine3.20 as rust
run apk add --no-cache musl-dev # pkgconfig cryptsetup-dev lvm2-dev clang-dev clang-static
workdir /src
copy Cargo.* .
copy src src
run --mount=type=cache,id=novit-rs,target=/usr/local/cargo/registry \
--mount=type=cache,id=novit-rs-target,sharing=private,target=/src/target \
cargo build --release && cp target/release/init /
# ------------------------------------------------------------------------
from golang:1.22.4-alpine3.20 as build
workdir /src
@ -11,7 +24,7 @@ run \
&& go build -o /go/bin/init -trimpath .
# ------------------------------------------------------------------------
from alpine:3.19.0 as initrd
from alpine:3.20.0 as initrd
run apk add --no-cache xz
@ -22,14 +35,15 @@ run . /etc/os-release \
run apk add --no-cache -p . musl lvm2 lvm2-extra lvm2-dmeventd udev cryptsetup e2fsprogs btrfs-progs lsblk
run rm -rf usr/share/apk var/cache/apk
copy --from=build /go/bin/init .
#copy --from=build /go/bin/init .
copy --from=rust /init .
# check viability
run chroot /layer /init hello
run chroot . /init hello
run find |cpio -H newc -o >/initrd
# ------------------------------------------------------------------------
from alpine:3.19.0
from alpine:3.20.0
copy --from=initrd /initrd /
entrypoint ["base64","/initrd"]

5
Dockerfile.build Normal file
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@ -0,0 +1,5 @@
from rust:1.77.1-alpine as rust
run apk add --no-cache musl-dev
run apk add --no-cache musl lvm2 lvm2-extra lvm2-dmeventd udev cryptsetup e2fsprogs btrfs-progs lsblk

2
Dockerfile.test Normal file
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@ -0,0 +1,2 @@
from alpine:3.19.0
run apk add --no-cache musl lvm2 lvm2-extra lvm2-dmeventd udev cryptsetup e2fsprogs btrfs-progs lsblk

27
build-init Executable file
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@ -0,0 +1,27 @@
set -ex
which podman &>/dev/null && docker=podman || docker=docker
mkdir -p empty
$docker build -t nv-rs-build --network=host -f Dockerfile.build empty
case $1 in
release)
opts=--release
bindir=target/release
;;
"")
bindir=target/debug
;;
*)
echo >&2 "invalid arg: $1"
exit 1
;;
esac
$docker run --rm -i --net=host --user=$UID \
nv-rs-build \
cargo build $opts
mkdir -p dist
cp $bindir/init dist/

1
init-rs Symbolic link
View File

@ -0,0 +1 @@
target/debug/init

View File

@ -7,8 +7,15 @@ go.??? **/*.go {
prep: go build -o dist/ ./tools/...
}
dist/init Dockerfile {
prep: docker build -t novit-initrd-gen .
prep: docker run novit-initrd-gen |base64 -d >dist/initrd.new
prep: mv dist/initrd.new dist/initrd
**/*.rs Cargo.* {
prep: cargo test
#prep: cargo build
prep: docker build --network host -t novit-initrd-gen .
prep: docker run --net=host --rm novit-initrd-gen |base64 -d >dist/initrd.new
}
#dist/init Dockerfile {
# prep: docker build --network host -t novit-initrd-gen .
# prep: docker run --net=host --rm novit-initrd-gen |base64 -d >dist/initrd.new
# prep: mv dist/initrd.new dist/initrd
#}

2
run-docker Executable file
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@ -0,0 +1,2 @@
docker build -t nv-initrd-test -f Dockerfile.test empty
docker run -d --name nv-initrd-test -it --privileged -v $PWD:/src --workdir /src/test-initrd nv-initrd-test

1
src/bootstrap.rs Normal file
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@ -0,0 +1 @@
pub mod config;

145
src/bootstrap/config.rs Normal file
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@ -0,0 +1,145 @@
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct Config {
anti_phishing_code: String,
keymap: Option<String>,
modules: String,
auths: Vec<Auth>,
networks: Vec<Network>,
#[serde(default)]
ssh: SSHServer,
#[serde(default)]
pre_lvm_crypt: Vec<CryptDev>,
#[serde(default)]
lvm: Vec<LvmVG>,
#[serde(default)]
crypt: Vec<CryptDev>,
bootstrap: Bootstrap,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct Auth {
name: String,
#[serde(rename = "sshKey")]
ssh_key: String,
password: String,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct Network {
name: String,
interfaces: Vec<NetworkInterface>,
script: String,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct NetworkInterface {
pub var: String,
pub n: i16,
pub regexps: Vec<String>,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct SSHServer {
listen: String,
keys: SSHKeys,
}
impl Default for SSHServer {
fn default() -> Self {
Self {
listen: "[::]:22".to_string(),
keys: SSHKeys::default(),
}
}
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct SSHKeys {
dsa: String,
rsa: String,
ecdsa: String,
ed25519: String,
}
impl Default for SSHKeys {
fn default() -> Self {
Self {
dsa: "id_dsa".to_string(),
rsa: "id_rsa".to_string(),
ecdsa: "id_ecdsa".to_string(),
ed25519: "id_ed25519".to_string(),
}
}
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct LvmVG {
vg: String,
pvs: LvmPV,
#[serde(default)]
defaults: LvmLVDefaults,
lvs: Vec<LvmLV>,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct LvmLVDefaults {
#[serde(default = "default_fs")]
fs: String,
raid: Option<Raid>,
}
impl Default for LvmLVDefaults {
fn default() -> Self {
Self {
fs: default_fs(),
raid: None,
}
}
}
fn default_fs() -> String {
"ext4".to_string()
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct LvmLV {
name: String,
#[serde(skip_serializing_if = "Option::is_none")]
fs: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
raid: Option<Raid>,
#[serde(skip_serializing_if = "Option::is_none")]
size: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
extents: Option<String>,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct LvmPV {
n: i16,
regexps: Vec<String>,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct CryptDev {
name: String,
dev: Option<String>,
prefix: Option<String>,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct Raid {
mirrors: Option<u8>,
stripes: Option<u8>,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct Bootstrap {
dev: String,
seed: String,
}

27
src/lsblk.rs Normal file
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@ -0,0 +1,27 @@
use std::io;
use std::process::Command;
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct Report {
pub blockdevices: Vec<BlockDev>,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
pub struct BlockDev {
pub name: String,
#[serde(rename = "maj:min")]
pub maj_min: String,
pub rm: bool,
pub size: String,
pub ro: bool,
#[serde(rename = "type")]
pub dev_type: String,
pub mountpoints: Vec<Option<String>>,
#[serde(default)]
pub children: Vec<BlockDev>,
}
pub fn report() -> io::Result<Report> {
let output = Command::new("lsblk").arg("--json").output()?;
Ok(serde_json::from_slice(output.stdout.as_slice()).unwrap())
}

84
src/lvm.rs Normal file
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@ -0,0 +1,84 @@
use std::io;
use std::process::Command;
#[derive(Debug, serde::Deserialize, serde::Serialize)]
struct Report {
report: Vec<ReportObj>,
}
#[derive(Debug, serde::Deserialize, serde::Serialize)]
#[serde(untagged)]
enum ReportObj {
PV { pv: Vec<PV> },
VG { vg: Vec<VG> },
LV { lv: Vec<LV> },
}
#[derive(Debug, Clone, serde::Deserialize, serde::Serialize)]
pub struct PV {
pub pv_name: String,
pub vg_name: String,
pub pv_fmt: String,
pub pv_attr: String,
pub pv_size: String,
pub pv_free: String,
}
#[derive(Debug, Clone, serde::Deserialize, serde::Serialize)]
pub struct VG {
pub vg_name: String,
pub pv_count: String,
pub lv_count: String,
pub snap_count: String,
pub vg_attr: String,
pub vg_size: String,
pub vg_free: String,
}
#[derive(Debug, Clone, serde::Deserialize, serde::Serialize)]
pub struct LV {
lv_name: String,
vg_name: String,
lv_attr: String,
lv_size: String,
pool_lv: String,
origin: String,
data_percent: String,
metadata_percent: String,
move_pv: String,
mirror_log: String,
copy_percent: String,
convert_lv: String,
}
pub fn pvs() -> io::Result<Vec<PV>> {
report_cmd("pvs", |o| match o {
ReportObj::PV { pv } => Some(pv),
_ => None,
})
}
pub fn vgs() -> io::Result<Vec<VG>> {
report_cmd("vgs", |o| match o {
ReportObj::VG { vg } => Some(vg),
_ => None,
})
}
pub fn lvs() -> io::Result<Vec<LV>> {
report_cmd("lvs", |o| match o {
ReportObj::LV { lv } => Some(lv),
_ => None,
})
}
fn report_cmd<T>(cmd: &str, find: fn(ReportObj) -> Option<Vec<T>>) -> io::Result<Vec<T>> {
let output = Command::new(cmd).arg("--reportformat=json").output()?;
let report: Report = serde_json::from_slice(output.stdout.as_slice()).unwrap();
Ok(report
.report
.into_iter()
.filter_map(find)
.flatten()
.collect())
}

51
src/main.rs Normal file
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@ -0,0 +1,51 @@
mod bootstrap;
mod lsblk;
mod lvm;
use anyhow::format_err;
use log::error;
use std::io::{self, Read, Write};
use std::process::exit;
use std::{env, fs};
#[tokio::main(flavor = "current_thread")]
async fn main() -> anyhow::Result<()> {
if let None = env::var_os("RUST_LOG") {
env::set_var("RUST_LOG", "info");
}
env_logger::init();
if let Some(arg) = env::args().into_iter().nth(1) {
match arg.as_str() {
"hello" => println!("hello"),
_ => {
error!("invalid arg: {arg}");
exit(1);
}
};
exit(0);
}
let cfg = fs::read("config.yaml").map_err(|e| format_err!("failed to read config: {e}"))?;
let cfg: bootstrap::config::Config = serde_yaml::from_slice(cfg.as_slice())
.map_err(|e| format_err!("failed to parse config: {e}"))?;
serde_yaml::to_writer(io::stdout(), &cfg)?;
for pv in lvm::pvs().unwrap() {
println!("pv: {pv:?}");
}
for vg in lvm::vgs().unwrap() {
println!("vg: {vg:?}");
}
for lv in lvm::lvs().unwrap() {
println!("lv: {lv:?}");
}
println!("lsblk: {:?}", lsblk::report());
// TODO
Ok(())
}

1
test-initrd/init Symbolic link
View File

@ -0,0 +1 @@
../dist/init