lukas/Raid_Manager
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add /dev/ to disk names

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compile regex just once
build ci in release mode
This commit is contained in:
Lukas Heiligenbrunner
2022-12-04 17:36:18 +01:00
parent 3b06a130b2
commit 7f1929e636
5 changed files with 25 additions and 15 deletions
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8
.gitlab-ci.yml
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@@ -5,13 +5,13 @@ rust-latest:
stage: build
image: rust:latest
script:
- cargo build --verbose
- cargo test --verbose
- cargo build --release
- cargo test
rust-nightly:
stage: build
image: rustlang/rust:nightly
script:
- cargo build --verbose
- cargo test --verbose
- cargo build --release
- cargo test
allow_failure: true

1
Cargo.lock generated
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@@ -814,6 +814,7 @@ dependencies = [
name = "raid_manager"
version = "0.1.0"
dependencies = [
"lazy_static",
"regex",
"rocket",
]

3
Cargo.toml
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@@ -7,4 +7,5 @@ edition = "2021"
[dependencies]
rocket = {version = "0.5.0-rc.2", features = ["json"]}
regex = "1"
regex = "1"
lazy_static = "1.4.0"

1
src/main.rs
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@@ -13,6 +13,7 @@ fn get_raid_devices() -> Json<MdRaidSystem> {
#[rocket::main]
async fn main() -> Result<(), rocket::Error> {
println!("init");
let _rocket = rocket::build()
.mount("/api", routes![get_raid_devices])
.launch()

27
src/mdstat_parser.rs
View File

@@ -1,6 +1,7 @@
use std::fs;
use regex::{Regex};
use rocket::serde::{Serialize};
use lazy_static::lazy_static;
#[derive(Serialize)]
#[serde(crate = "rocket::serde")]
@@ -33,11 +34,12 @@ pub fn parse_mdstat() -> MdRaidSystem {
fn parse_mdstat_str(contents: String) -> MdRaidSystem {
let mut md_raids = Vec::new();
// todo avoid recompiling regex every time
let re = Regex::new(r"([a-z_]{2,5}[0-9]{1,3})\s:\s(active|started|faulty)\s(raid[0-9])\s((?:\s?[a-z]{1,10}[0-9]{0,2}\[[0-9]])+)").unwrap();
let re_personalities = Regex::new(r"Personalities\s:\s((?:\s?\[(?:raid[0-9]|linear|multipath|faulty)])+)").unwrap();
lazy_static! {
static ref RE: Regex = Regex::new(r"([a-z_]{2,5}[0-9]{1,3})\s:\s(active|started|faulty)\s(raid[0-9])\s((?:\s?[a-z]{1,10}[0-9]{0,2}\[[0-9]])+)").unwrap();
static ref RE_PERSONALITIES: Regex = Regex::new(r"Personalities\s:\s((?:\s?\[(?:raid[0-9]|linear|multipath|faulty)])+)").unwrap();
}
for cap in re.captures_iter(&contents) {
for cap in RE.captures_iter(&contents) {
if cap.len() != 5 {
// todo error handling
continue
@@ -45,6 +47,7 @@ fn parse_mdstat_str(contents: String) -> MdRaidSystem {
let devicesplit = cap[4].split(" ");
let mut devices = Vec::new();
for i in devicesplit {
let i = format!("/dev/{i}");
// remove brackets
match i.split("[").next() {
None => println!("no [ in device string!?"),
@@ -53,7 +56,7 @@ fn parse_mdstat_str(contents: String) -> MdRaidSystem {
}
let raid = MdRaid {
name: cap[1].to_string(),
name: format!("/dev/{}", cap[1].to_string()),
faulty: &cap[2] == "faulty",
level: cap[3].to_string(),
devices,
@@ -63,7 +66,7 @@ fn parse_mdstat_str(contents: String) -> MdRaidSystem {
}
let mut supp_levels: Vec<String> = Vec::new();
match re_personalities.captures(&contents) {
match RE_PERSONALITIES.captures(&contents) {
None => {}
Some(res) => {
if res.len() == 2 {
@@ -102,6 +105,7 @@ unused devices: <none>
#[test]
fn single_special_name() {
let exp = r#"{"raids":[{"devices":["/dev/sde1","/dev/sdf1","/dev/sdb1","/dev/sdd1","/dev/sdc1"],"faulty":false,"level":"raid5","name":"/dev/md_d0"}],"supported_levels":["raid1","raid6","raid5","raid4"]}"#;
assert_eq!(json!(parse_mdstat_str(r#"
Personalities : [raid1] [raid6] [raid5] [raid4]
md_d0 : active raid5 sde1[0] sdf1[4] sdb1[5] sdd1[2] sdc1[1]
@@ -109,11 +113,12 @@ md_d0 : active raid5 sde1[0] sdf1[4] sdb1[5] sdd1[2] sdc1[1]
bitmap: 0/10 pages [0KB], 16384KB chunk
unused devices: <none>
"#.to_string())).to_string(), r#"{"raids":[{"devices":["sde1","sdf1","sdb1","sdd1","sdc1"],"faulty":false,"level":"raid5","name":"md_d0"}],"supported_levels":["raid1","raid6","raid5","raid4"]}"#);
"#.to_string())).to_string(), exp);
}
#[test]
fn rebuilding_array() {
let exp = r#"{"raids":[{"devices":["/dev/sdh1","/dev/sdg1","/dev/sdf1","/dev/sde1","/dev/sdd1","/dev/sdc1"],"faulty":false,"level":"raid5","name":"/dev/md127"}],"supported_levels":["raid1","raid6","raid5","raid4"]}"#;
assert_eq!(json!(parse_mdstat_str(r#"
Personalities : [raid1] [raid6] [raid5] [raid4]
md127 : active raid5 sdh1[6] sdg1[4] sdf1[3] sde1[2] sdd1[1] sdc1[0]
@@ -121,12 +126,13 @@ md127 : active raid5 sdh1[6] sdg1[4] sdf1[3] sde1[2] sdd1[1] sdc1[0]
[==>..................] recovery = 12.6% (37043392/292945152) finish=127.5min speed=33440K/sec
unused devices: <none>
"#.to_string())).to_string(), r#"{"raids":[{"devices":["sdh1","sdg1","sdf1","sde1","sdd1","sdc1"],"faulty":false,"level":"raid5","name":"md127"}],"supported_levels":["raid1","raid6","raid5","raid4"]}"#);
"#.to_string())).to_string(), exp);
}
#[test]
fn test3() {
let exp = r#"{"raids":[{"devices":["/dev/sda3","/dev/sdb3"],"faulty":false,"level":"raid0","name":"/dev/md2"},{"devices":["/dev/sda2","/dev/sdb2"],"faulty":false,"level":"raid1","name":"/dev/md1"},{"devices":["/dev/sda1","/dev/sdb1"],"faulty":false,"level":"raid1","name":"/dev/md0"}],"supported_levels":["linear","raid0","raid1"]}"#;
assert_eq!(json!(parse_mdstat_str(r#"
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
md2 : active raid0 sda3[0] sdb3[1]
@@ -137,11 +143,12 @@ md1 : active raid1 sda2[0] sdb2[1]
md0 : active raid1 sda1[0] sdb1[1]
2490176 blocks [2/2] [UU]
"#.to_string())).to_string(), r#"{"raids":[{"devices":["sda3","sdb3"],"faulty":false,"level":"raid0","name":"md2"},{"devices":["sda2","sdb2"],"faulty":false,"level":"raid1","name":"md1"},{"devices":["sda1","sdb1"],"faulty":false,"level":"raid1","name":"md0"}],"supported_levels":["linear","raid0","raid1"]}"#);
"#.to_string())).to_string(), exp);
}
#[test]
fn lots_of_devices() {
let exp = r#"{"raids":[{"devices":["/dev/sdb2","/dev/sda2"],"faulty":false,"level":"raid1","name":"/dev/md1"},{"devices":["/dev/sdb3","/dev/sda3"],"faulty":false,"level":"raid1","name":"/dev/md2"},{"devices":["/dev/sdl1","/dev/sdk1","/dev/sdj1","/dev/sdi1","/dev/sdh1","/dev/sdg1","/dev/sdf1","/dev/sde1","/dev/sdd1","/dev/sdc1"],"faulty":false,"level":"raid5","name":"/dev/md3"},{"devices":["/dev/sdb1","/dev/sda1"],"faulty":false,"level":"raid1","name":"/dev/md0"}],"supported_levels":["raid1","raid6","raid5","raid4"]}"#;
assert_eq!(json!(parse_mdstat_str(r#"
Personalities : [raid1] [raid6] [raid5] [raid4]
md1 : active raid1 sdb2[1] sda2[0]
@@ -157,6 +164,6 @@ md0 : active raid1 sdb1[1] sda1[0]
16787776 blocks [2/2] [UU]
unused devices: <none>
"#.to_string())).to_string(), r#"{"raids":[{"devices":["sdb2","sda2"],"faulty":false,"level":"raid1","name":"md1"},{"devices":["sdb3","sda3"],"faulty":false,"level":"raid1","name":"md2"},{"devices":["sdl1","sdk1","sdj1","sdi1","sdh1","sdg1","sdf1","sde1","sdd1","sdc1"],"faulty":false,"level":"raid5","name":"md3"},{"devices":["sdb1","sda1"],"faulty":false,"level":"raid1","name":"md0"}],"supported_levels":["raid1","raid6","raid5","raid4"]}"#);
"#.to_string())).to_string(), exp);
}
}