no real benefit vs go for now

.dockerignore

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

Cargo.lock

@@ -12,97 +12,100 @@ dependencies = [
 ]
 
 [[package]]
-name = "bindgen"
+name = "anstream"
-version = "0.69.4"
+version = "0.6.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a00dc851838a2120612785d195287475a3ac45514741da670b735818822129a0"
+checksum = "418c75fa768af9c03be99d17643f93f79bbba589895012a80e3452a19ddda15b"
 dependencies = [
- "bitflags",
+ "anstyle",
- "cexpr",
+ "anstyle-parse",
- "clang-sys",
+ "anstyle-query",
- "itertools",
+ "anstyle-wincon",
- "lazy_static",
+ "colorchoice",
- "lazycell",
+ "is_terminal_polyfill",
- "proc-macro2",
+ "utf8parse",
- "quote",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "038dfcf04a5feb68e9c60b21c9625a54c2c0616e79b72b0fd87075a056ae1d1b"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c03a11a9034d92058ceb6ee011ce58af4a9bf61491aa7e1e59ecd24bd40d22d4"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a64c907d4e79225ac72e2a354c9ce84d50ebb4586dee56c82b3ee73004f537f5"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61a38449feb7068f52bb06c12759005cf459ee52bb4adc1d5a7c4322d716fb19"
+dependencies = [
+ "anstyle",
+ "windows-sys",
+]
+
+[[package]]
+name = "colorchoice"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b6a852b24ab71dffc585bcb46eaf7959d175cb865a7152e35b348d1b2960422"
+
+[[package]]
+name = "env_filter"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a009aa4810eb158359dda09d0c87378e4bbb89b5a801f016885a4707ba24f7ea"
+dependencies = [
+ "log",
  "regex",
- "rustc-hash",
- "shlex",
- "syn",
 ]
 
 [[package]]
-name = "bitflags"
+name = "env_logger"
-version = "2.5.0"
+version = "0.11.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
+checksum = "38b35839ba51819680ba087cd351788c9a3c476841207e0b8cee0b04722343b9"
-
-[[package]]
-name = "cc"
-version = "1.0.95"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d32a725bc159af97c3e629873bb9f88fb8cf8a4867175f76dc987815ea07c83b"
-
-[[package]]
-name = "cexpr"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
 dependencies = [
- "nom",
+ "anstream",
+ "anstyle",
+ "env_filter",
+ "humantime",
+ "log",
 ]
 
-[[package]]
-name = "cfg-if"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
-[[package]]
-name = "clang-sys"
-version = "1.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67523a3b4be3ce1989d607a828d036249522dd9c1c8de7f4dd2dae43a37369d1"
-dependencies = [
- "glob",
- "libc",
- "libloading",
-]
-
-[[package]]
-name = "either"
-version = "1.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a47c1c47d2f5964e29c61246e81db715514cd532db6b5116a25ea3c03d6780a2"
-
 [[package]]
 name = "equivalent"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
-[[package]]
-name = "getrandom"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94b22e06ecb0110981051723910cbf0b5f5e09a2062dd7663334ee79a9d1286c"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi",
-]
-
-[[package]]
-name = "glob"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
-
 [[package]]
 name = "hashbrown"
-version = "0.14.3"
+version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+
+[[package]]
+name = "humantime"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
 name = "indexmap"
@@ -118,19 +121,18 @@ dependencies = [
 name = "init"
 version = "0.1.0"
 dependencies = [
- "libcryptsetup-rs",
+ "env_logger",
+ "log",
  "serde",
+ "serde_json",
  "serde_yaml",
 ]
 
 [[package]]
-name = "itertools"
+name = "is_terminal_polyfill"
-version = "0.12.1"
+version = "1.70.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+checksum = "f8478577c03552c21db0e2724ffb8986a5ce7af88107e6be5d2ee6e158c12800"
-dependencies = [
- "either",
-]
 
 [[package]]
 name = "itoa"
@@ -138,64 +140,6 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
-[[package]]
-name = "lazy_static"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
-
-[[package]]
-name = "lazycell"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
-
-[[package]]
-name = "libc"
-version = "0.2.153"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
-
-[[package]]
-name = "libcryptsetup-rs"
-version = "0.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99a61d3782d841dca88244f582cfd95d96da9d175fb06616d50a480058647e39"
-dependencies = [
- "bitflags",
- "either",
- "lazy_static",
- "libc",
- "libcryptsetup-rs-sys",
- "log",
- "pkg-config",
- "semver",
- "serde_json",
- "uuid",
-]
-
-[[package]]
-name = "libcryptsetup-rs-sys"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c78b397341cb9aa5ddc8d11118754ed0eab4aeb9cee96ee7cbe83a7d2867b8d2"
-dependencies = [
- "bindgen",
- "cc",
- "pkg-config",
- "semver",
-]
-
-[[package]]
-name = "libloading"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c2a198fb6b0eada2a8df47933734e6d35d350665a33a3593d7164fa52c75c19"
-dependencies = [
- "cfg-if",
- "windows-targets",
-]
-
 [[package]]
 name = "log"
 version = "0.4.21"
@@ -208,28 +152,6 @@ version = "2.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c8640c5d730cb13ebd907d8d04b52f55ac9a2eec55b440c8892f40d56c76c1d"
 
-[[package]]
-name = "minimal-lexical"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
-
-[[package]]
-name = "nom"
-version = "7.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
-dependencies = [
- "memchr",
- "minimal-lexical",
-]
-
-[[package]]
-name = "pkg-config"
-version = "0.3.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.81"
@@ -277,38 +199,26 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "adad44e29e4c806119491a7f06f03de4d1af22c3a680dd47f1e6e179439d1f56"
 
-[[package]]
-name = "rustc-hash"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
-
 [[package]]
 name = "ryu"
 version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e86697c916019a8588c99b5fac3cead74ec0b4b819707a682fd4d23fa0ce1ba1"
 
-[[package]]
-name = "semver"
-version = "1.0.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92d43fe69e652f3df9bdc2b85b2854a0825b86e4fb76bc44d945137d053639ca"
-
 [[package]]
 name = "serde"
-version = "1.0.198"
+version = "1.0.199"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9846a40c979031340571da2545a4e5b7c4163bdae79b301d5f86d03979451fcc"
+checksum = "0c9f6e76df036c77cd94996771fb40db98187f096dd0b9af39c6c6e452ba966a"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.198"
+version = "1.0.199"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e88edab869b01783ba905e7d0153f9fc1a6505a96e4ad3018011eedb838566d9"
+checksum = "11bd257a6541e141e42ca6d24ae26f7714887b47e89aa739099104c7e4d3b7fc"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -339,12 +249,6 @@ dependencies = [
  "unsafe-libyaml",
 ]
 
-[[package]]
-name = "shlex"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
-
 [[package]]
 name = "syn"
 version = "2.0.60"
@@ -369,19 +273,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
 
 [[package]]
-name = "uuid"
+name = "utf8parse"
-version = "1.8.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a183cf7feeba97b4dd1c0d46788634f6221d87fa961b305bed08c851829efcc0"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
-dependencies = [
- "getrandom",
-]
 
 [[package]]
-name = "wasi"
+name = "windows-sys"
-version = "0.11.0+wasi-snapshot-preview1"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets",
+]
 
 [[package]]
 name = "windows-targets"

Cargo.toml

@@ -6,6 +6,8 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libcryptsetup-rs = "0.9.3"
+env_logger = "0.11.3"
+log = "0.4.21"
 serde = { version = "1.0.198", features = ["derive"] }
+serde_json = "1.0.116"
 serde_yaml = "0.9.34"

Dockerfile

@@ -1,3 +1,15 @@
+from rust:1.77.1-alpine 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,target=/usr/local/cargo/registry \
+    --mount=type=cache,sharing=private,target=/src/target \
+    cargo build --release \
+ && cp target/release/init /init-rs
+
 from golang:1.21.6-alpine3.19 as build
 
 workdir /src
@@ -22,7 +34,8 @@ 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-rs init
 
 # check viability
 run chroot /layer /init hello

Dockerfile.build

@@ -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
+

Dockerfile.test

@@ -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

build-init

@@ -0,0 +1,29 @@
+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 \
+    -v $HOME/.cargo-alpine/registry:/usr/local/cargo/registry \
+    -v $PWD:/src -w /src \
+    nv-rs-build \
+    cargo build $opts
+
+mkdir -p dist
+cp $bindir/init dist/

init-rs

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

modd.conf

@@ -9,11 +9,15 @@ go.??? **/*.go {
 
 **/*.rs {
   prep: cargo test
-  prep: cargo build
+  #prep: cargo build
+  #prep: (cd test-initrd && ../target/debug/init)
+  prep: bash ./build-init
+  prep: docker exec -i -w /src/test-initrd nv-initrd-test ./init
+  prep: ./build-init release
 }
 
-dist/init Dockerfile {
+#dist/init Dockerfile {
-  prep: docker build -t novit-initrd-gen .
+#  prep: docker build --network host -t novit-initrd-gen .
-  prep: docker run novit-initrd-gen |base64 -d >dist/initrd.new
+#  prep: docker run --net=host --rm novit-initrd-gen |base64 -d >dist/initrd.new
-  prep: mv dist/initrd.new dist/initrd
+#  prep: mv dist/initrd.new dist/initrd
-}
+#}

run-docker

@@ -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

src/bootstrap/config.rs

@@ -2,13 +2,14 @@
 pub struct Config {
     anti_phishing_code: String,
 
-    keymap: String,
+    keymap: Option<String>,
     modules: String,
 
     auths: Vec<Auth>,
 
     networks: Vec<Network>,
 
+    #[serde(default)]
     ssh: SSHServer,
 
     #[serde(default)]
@@ -48,6 +49,14 @@ 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 {
@@ -56,30 +65,58 @@ pub struct SSHKeys {
     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,
 
-    defaults: Option<LvmLVDefaults>,
+    #[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,
-    fs: String,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    fs: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     raid: Option<Raid>,
-    size: String,
+    #[serde(skip_serializing_if = "Option::is_none")]
-    extents: String,
+    size: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    extents: Option<String>,
 }
 
 #[derive(Debug, serde::Deserialize, serde::Serialize)]
@@ -90,15 +127,15 @@ pub struct LvmPV {
 
 #[derive(Debug, serde::Deserialize, serde::Serialize)]
 pub struct CryptDev {
-    dev: String,
-    prefix: String,
     name: String,
+    dev: Option<String>,
+    prefix: Option<String>,
 }
 
 #[derive(Debug, serde::Deserialize, serde::Serialize)]
 pub struct Raid {
-    mirrors: u8,
+    mirrors: Option<u8>,
-    stripes: u8,
+    stripes: Option<u8>,
 }
 
 #[derive(Debug, serde::Deserialize, serde::Serialize)]

src/lsblk.rs

@@ -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())
+}

src/lvm.rs

@@ -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())
+}

src/main.rs

@@ -1,16 +1,55 @@
 mod bootstrap;
+mod lsblk;
+mod lvm;
 
-use std::fs;
+use log::error;
-use std::io;
+
+use std::io::{self, Read, Write};
+use std::process::exit;
+use std::{env, fs};
 
 fn main() {
-    println!("Hello, world!");
+    if let None = env::var_os("RUST_LOG") {
+        env::set_var("RUST_LOG", "info");
+    }
+    env_logger::init();
 
-    let cfg_in = fs::OpenOptions::new()
+    if let Some(arg) = env::args().into_iter().nth(1) {
-        .read(true)
+        match arg.as_str() {
-        .open("config.yaml")
+            "hello" => println!("hello"),
-        .unwrap();
+            _ => {
-    let cfg: bootstrap::config::Config = serde_yaml::from_reader(cfg_in).unwrap();
+                error!("invalid arg: {arg}");
+                exit(1);
+            }
+        };
+        exit(0);
+    }
+
+    let Ok(cfg) =
+        fs::File::open("config.yaml").inspect_err(|e| error!("failed to read config: {e}"))
+    else {
+        exit(1);
+    };
+
+    let Ok(cfg) = serde_yaml::from_reader::<_, bootstrap::config::Config>(cfg)
+        .inspect_err(|e| error!("failed to parse config: {e}"))
+    else {
+        exit(1);
+    };
 
     serde_yaml::to_writer(io::stdout(), &cfg).unwrap();
+
+    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
 }

test-initrd/init

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