From e7f51b885540492e5079fa72851994874ab7280b Mon Sep 17 00:00:00 2001 From: clerie Date: Wed, 4 Jan 2023 01:10:30 +0100 Subject: [PATCH] Add validator mode for NixOS Exporter --- Cargo.lock | 550 +++++++++++++++++++++++++++++++++++++++++++++++++++- Cargo.toml | 2 + src/main.rs | 138 +++++++++++-- 3 files changed, 671 insertions(+), 19 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 6d9c021..66e13a0 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -69,30 +69,97 @@ dependencies = [ "tower-service", ] +[[package]] +name = "base64" +version = "0.13.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8" + [[package]] name = "bitflags" version = "1.3.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" +[[package]] +name = "bumpalo" +version = "3.11.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "572f695136211188308f16ad2ca5c851a712c464060ae6974944458eb83880ba" + [[package]] name = "bytes" version = "1.3.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "dfb24e866b15a1af2a1b663f10c6b6b8f397a84aadb828f12e5b289ec23a3a3c" +[[package]] +name = "cc" +version = "1.0.78" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d" + [[package]] name = "cfg-if" version = "1.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" +[[package]] +name = "core-foundation" +version = "0.9.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146" +dependencies = [ + "core-foundation-sys", + "libc", +] + +[[package]] +name = "core-foundation-sys" +version = "0.8.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc" + +[[package]] +name = "encoding_rs" +version = "0.8.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9852635589dc9f9ea1b6fe9f05b50ef208c85c834a562f0c6abb1c475736ec2b" +dependencies = [ + "cfg-if", +] + +[[package]] +name = "fastrand" +version = "1.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a7a407cfaa3385c4ae6b23e84623d48c2798d06e3e6a1878f7f59f17b3f86499" +dependencies = [ + "instant", +] + [[package]] name = "fnv" version = "1.0.7" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" +[[package]] +name = "foreign-types" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1" +dependencies = [ + "foreign-types-shared", +] + +[[package]] +name = "foreign-types-shared" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b" + [[package]] name = "form_urlencoded" version = "1.1.0" @@ -117,6 +184,12 @@ version = "0.3.25" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "04909a7a7e4633ae6c4a9ab280aeb86da1236243a77b694a49eacd659a4bd3ac" +[[package]] +name = "futures-sink" +version = "0.3.25" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "39c15cf1a4aa79df40f1bb462fb39676d0ad9e366c2a33b590d7c66f4f81fcf9" + [[package]] name = "futures-task" version = "0.3.25" @@ -135,6 +208,31 @@ dependencies = [ "pin-utils", ] +[[package]] +name = "h2" +version = "0.3.15" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5f9f29bc9dda355256b2916cf526ab02ce0aeaaaf2bad60d65ef3f12f11dd0f4" +dependencies = [ + "bytes", + "fnv", + "futures-core", + "futures-sink", + "futures-util", + "http", + "indexmap", + "slab", + "tokio", + "tokio-util", + "tracing", +] + +[[package]] +name = "hashbrown" +version = "0.12.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888" + [[package]] name = "hermit-abi" version = "0.2.6" @@ -194,6 +292,7 @@ dependencies = [ "futures-channel", "futures-core", "futures-util", + "h2", "http", "http-body", "httparse", @@ -207,12 +306,75 @@ dependencies = [ "want", ] +[[package]] +name = "hyper-tls" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905" +dependencies = [ + "bytes", + "hyper", + "native-tls", + "tokio", + "tokio-native-tls", +] + +[[package]] +name = "idna" +version = 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"registry+https://github.com/rust-lang/crates.io-index" checksum = "fad582f4b9e86b6caa621cabeb0963332d92eea04729ab12892c2533951e6440" +[[package]] +name = "js-sys" +version = "0.3.60" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "49409df3e3bf0856b916e2ceaca09ee28e6871cf7d9ce97a692cacfdb2a25a47" +dependencies = [ + "wasm-bindgen", +] + +[[package]] +name = "lazy_static" +version = "1.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646" + [[package]] name = "libc" version = "0.2.139" @@ -265,7 +427,25 @@ dependencies = [ "libc", "log", "wasi", - "windows-sys", + "windows-sys 0.42.0", +] + +[[package]] +name = "native-tls" +version = "0.2.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e" +dependencies = [ + "lazy_static", + "libc", + "log", + "openssl", + "openssl-probe", + "openssl-sys", + "schannel", + "security-framework", + "security-framework-sys", + "tempfile", ] [[package]] @@ -273,6 +453,8 @@ name = "nixos-exporter" version = "0.1.0" dependencies = [ "axum", + "reqwest", + "serde_json", "tokio", ] @@ -292,6 +474,51 @@ version = "1.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66" +[[package]] +name = "openssl" +version = "0.10.45" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b102428fd03bc5edf97f62620f7298614c45cedf287c271e7ed450bbaf83f2e1" +dependencies = [ + "bitflags", + "cfg-if", + "foreign-types", + "libc", + "once_cell", + "openssl-macros", + "openssl-sys", +] + +[[package]] +name = "openssl-macros" +version = "0.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b501e44f11665960c7e7fcf062c7d96a14ade4aa98116c004b2e37b5be7d736c" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "openssl-probe" +version = "0.1.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf" + +[[package]] +name = "openssl-sys" +version = "0.9.80" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "23bbbf7854cd45b83958ebe919f0e8e516793727652e27fda10a8384cfc790b7" +dependencies = [ + "autocfg", + "cc", + "libc", + "pkg-config", + "vcpkg", +] + [[package]] name = "parking_lot" version = "0.12.1" @@ -312,7 +539,7 @@ dependencies = [ "libc", "redox_syscall", "smallvec", - "windows-sys", + "windows-sys 0.42.0", ] [[package]] @@ -353,6 +580,12 @@ version = "0.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184" +[[package]] +name = "pkg-config" +version = "0.3.26" +source = 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"tokio", + "tokio-native-tls", + "tower-service", + "url", + "wasm-bindgen", + "wasm-bindgen-futures", + "web-sys", + "winreg", +] + [[package]] name = "rustversion" version = "1.0.11" @@ -392,12 +671,45 @@ version = "1.0.12" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde" +[[package]] +name = "schannel" +version = "0.1.20" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "88d6731146462ea25d9244b2ed5fd1d716d25c52e4d54aa4fb0f3c4e9854dbe2" +dependencies = [ + "lazy_static", + "windows-sys 0.36.1", +] + [[package]] name = "scopeguard" version = "1.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd" +[[package]] +name = "security-framework" +version = "2.7.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = 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[[package]] @@ -509,6 +859,30 @@ dependencies = [ "syn", ] +[[package]] +name = "tokio-native-tls" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f7d995660bd2b7f8c1568414c1126076c13fbb725c40112dc0120b78eb9b717b" +dependencies = [ + "native-tls", + "tokio", +] + +[[package]] +name = "tokio-util" +version = "0.7.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0bb2e075f03b3d66d8d8785356224ba688d2906a371015e225beeb65ca92c740" +dependencies = [ + "bytes", + "futures-core", + "futures-sink", + "pin-project-lite", + "tokio", + "tracing", +] + [[package]] name = "tower" version = "0.4.13" @@ -583,12 +957,44 @@ version = "0.2.3" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642" +[[package]] +name = "unicode-bidi" +version = "0.3.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = 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version = "0.3.0" @@ -605,6 +1011,82 @@ version = "0.11.0+wasi-snapshot-preview1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423" +[[package]] +name = "wasm-bindgen" +version = "0.2.83" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "eaf9f5aceeec8be17c128b2e93e031fb8a4d469bb9c4ae2d7dc1888b26887268" +dependencies = [ + "cfg-if", + "wasm-bindgen-macro", +] + +[[package]] +name = "wasm-bindgen-backend" +version = "0.2.83" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4c8ffb332579b0557b52d268b91feab8df3615f265d5270fec2a8c95b17c1142" +dependencies = [ + "bumpalo", + "log", + "once_cell", + "proc-macro2", + "quote", + "syn", + "wasm-bindgen-shared", +] + +[[package]] +name = "wasm-bindgen-futures" +version = "0.4.33" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = 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"0.3.60" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bcda906d8be16e728fd5adc5b729afad4e444e106ab28cd1c7256e54fa61510f" +dependencies = [ + "js-sys", + "wasm-bindgen", +] + [[package]] name = "winapi" version = "0.3.9" @@ -627,6 +1109,19 @@ version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" +[[package]] +name = "windows-sys" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2" +dependencies = [ + "windows_aarch64_msvc 0.36.1", + "windows_i686_gnu 0.36.1", + "windows_i686_msvc 0.36.1", + "windows_x86_64_gnu 0.36.1", + "windows_x86_64_msvc 0.36.1", +] + [[package]] name = "windows-sys" version = "0.42.0" @@ -634,12 +1129,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7" dependencies = [ "windows_aarch64_gnullvm", - "windows_aarch64_msvc", - "windows_i686_gnu", - "windows_i686_msvc", - "windows_x86_64_gnu", + "windows_aarch64_msvc 0.42.0", + "windows_i686_gnu 0.42.0", + "windows_i686_msvc 0.42.0", + "windows_x86_64_gnu 0.42.0", "windows_x86_64_gnullvm", - "windows_x86_64_msvc", + "windows_x86_64_msvc 0.42.0", ] [[package]] @@ -648,24 +1143,48 @@ version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e" +[[package]] +name = "windows_aarch64_msvc" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47" + [[package]] name = "windows_aarch64_msvc" version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4" +[[package]] +name = "windows_i686_gnu" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6" + [[package]] name = "windows_i686_gnu" version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7" +[[package]] +name = "windows_i686_msvc" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024" + [[package]] name = "windows_i686_msvc" version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246" +[[package]] +name = "windows_x86_64_gnu" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1" + [[package]] name = "windows_x86_64_gnu" version = "0.42.0" @@ -678,8 +1197,23 @@ version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028" +[[package]] +name = "windows_x86_64_msvc" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680" + [[package]] name = "windows_x86_64_msvc" version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5" + +[[package]] +name = "winreg" +version = "0.10.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d" +dependencies = [ + "winapi", +] diff --git a/Cargo.toml b/Cargo.toml index e4d2ff2..1c86dda 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -5,4 +5,6 @@ edition = "2021" [dependencies] axum = "0.6.1" +reqwest = { version = "0.11.13", features = ["json"] } +serde_json = "1.0.91" tokio = { version = "1.23.0", features = ["full"] } diff --git a/src/main.rs b/src/main.rs index cb5a181..511ccad 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,16 +1,35 @@ use axum::{ + extract::Query, http::StatusCode, response::{IntoResponse, Response}, routing::get, Router, }; +use std::collections::HashMap; use std::net::SocketAddr; use std::str::FromStr; +#[derive(PartialEq)] +enum OperationMode { + Exporter, + Validator, +} + +fn parse_nix_store_path(path: std::path::PathBuf) -> Result<(String, String), String> { + let (hash, name) = path.file_name() + .ok_or_else(String::default)? + .to_str() + .ok_or_else(String::default)? + .split_once("-") + .ok_or_else(String::default)?; + return Ok((hash.to_string(), name.to_string())); +} + #[tokio::main] async fn main() { let mut listen = String::from("[::]:9152"); + let mut operationmode = OperationMode::Exporter; let mut args = std::env::args(); args.next(); loop { @@ -30,6 +49,12 @@ async fn main() { "--listen" => { listen = args.next().unwrap(); } + "exporter" => { + operationmode = OperationMode::Exporter; + } + "validator" => { + operationmode = OperationMode::Validator; + } unknown => { println!("unknown option: {}", unknown); std::process::exit(1) @@ -37,7 +62,14 @@ async fn main() { } } - let app = Router::new().route("/metrics", get(metrics)); + let mut app = Router::new(); + if operationmode == OperationMode::Exporter { + println!("Running NixOS Exporter in Exporter mode"); + app = app.route("/metrics", get(metrics)); + } else if operationmode == OperationMode::Validator { + println!("Running NixOS Exporter in Validator mode"); + app = app.route("/metrics", get(check)); + } let addr = SocketAddr::from_str(&listen).unwrap(); println!("listening on http://{}", addr); @@ -53,13 +85,7 @@ fn get_current_system() -> Result<(String, String), String> { Err(err) => return Err(err.to_string()), }; - let (hash, name) = symlink - .file_name() - .ok_or_else(String::default)? - .to_str() - .ok_or_else(String::default)? - .split_once("-") - .ok_or_else(String::default)?; + let (hash, name) = parse_nix_store_path(symlink)?; Ok((String::from(hash), String::from(name))) } @@ -75,7 +101,97 @@ async fn metrics() -> Response { }; ( - StatusCode::OK, - format!("nixos_current_system_hash{{hash=\"{}\"}} 1\nnixos_current_system_name{{name=\"{}\"}} 1\n", hash, name) - ).into_response() + StatusCode::OK, + format!("nixos_current_system_hash{{hash=\"{}\"}} 1\nnixos_current_system_name{{name=\"{}\"}} 1\n", hash, name) + ).into_response() +} + +async fn check(Query(params): Query>) -> Response { + let target = match params.get("target") { + Some(target) => target, + None => { + return (StatusCode::NOT_FOUND, "specify target").into_response(); + }, + }; + + let client = reqwest::Client::new(); + + let prometheus_req = match client.get(format!("https://prometheus.monitoring.clerie.de/api/v1/query?query=nixos_nixos_current_system_hash{{job=%22nixos-exporter%22,instance=%22{}.mon.clerie.de:9152%22}}", target)) + .header("Accept", "application/json") + .send().await { + Ok(req) => req, + Err(_) => { + return (StatusCode::INTERNAL_SERVER_ERROR, "Promehteus can't get reached").into_response(); + }, + }; + + + match prometheus_req.status() { + reqwest::StatusCode::OK => (), + _ => { + return (StatusCode::NOT_FOUND, "Target does not exist in Hydra").into_response(); + }, + } + + let prometheus_body = match prometheus_req.json::().await { + Ok(body) => body, + Err(_) => { + return (StatusCode::INTERNAL_SERVER_ERROR, "Invalid response from Hydra").into_response(); + }, + }; + + let current_system_hash = match prometheus_body["data"]["result"][0]["metric"]["hash"].as_str() { + Some(nix_store_path) => nix_store_path, + _ => { + return (StatusCode::INTERNAL_SERVER_ERROR, "No buildoutput found in Hydra").into_response(); + }, + }; + + let hydra_req = match client.get(format!("https://hydra.clerie.de/job/nixfiles/nixfiles/nixosConfigurations.{}/latest", target)) + .header("Accept", "application/json") + .send().await { + Ok(req) => req, + Err(_) => { + return (StatusCode::INTERNAL_SERVER_ERROR, "Hydra can't get reached").into_response(); + }, + }; + + match hydra_req.status() { + reqwest::StatusCode::OK => (), + _ => { + return (StatusCode::NOT_FOUND, "Target does not exist in Hydra").into_response(); + }, + } + + let hydra_body = match hydra_req.json::().await { + Ok(body) => body, + Err(_) => { + return (StatusCode::INTERNAL_SERVER_ERROR, "Invalid response from Hydra").into_response(); + }, + }; + + let nix_store_path = match hydra_body["buildoutputs"]["out"]["path"].as_str() { + Some(nix_store_path) => nix_store_path, + _ => { + return (StatusCode::INTERNAL_SERVER_ERROR, "No buildoutput found in Hydra").into_response(); + }, + }; + + let (hydra_system_hash, _) = match parse_nix_store_path(std::path::PathBuf::from(nix_store_path)) { + Ok((hash, name)) => (hash, name), + Err(_) => { + return (StatusCode::INTERNAL_SERVER_ERROR, "Invalid store path returned by Hydra").into_response(); + }, + }; + + let mut status = "0"; + + if current_system_hash == hydra_system_hash { + status = "1"; + } + + return ( + StatusCode::OK, + format!("nixos_current_system_valid{{target=\"{}.net.clerie.de:9152\"}} {}\n", target, status) + ).into_response(); }