test libvirt from rust

Signed-off-by: Christine Dodrill <me@christine.website>

Cargo.lock

@@ -20,6 +20,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.41"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15af2628f6890fe2609a3b91bef4c83450512802e59489f9c1cb1fa5df064a61"
+
 [[package]]
 name = "arrayvec"
 version = "0.5.2"
@@ -1882,10 +1888,20 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
+[[package]]
+name = "virt"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06ce5cd536aa559d1088ddc531bbf3e55edc5db8ec0a5329dfb17f83a5b469ca"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "waifud"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "diesel",
  "diesel_migrations",
  "r2d2_redis",
@@ -1901,6 +1917,7 @@ dependencies = [
  "tracing-log",
  "tracing-subscriber",
  "uuid 0.8.2",
+ "virt",
 ]
 
 [[package]]

Cargo.toml

@@ -9,6 +9,7 @@ repository = "https://github.com/Xe/waifud"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+anyhow = "1"
 diesel_migrations = "1"
 r2d2_redis = "0.14.0"
 serde_json = "1"
@@ -17,6 +18,7 @@ tracing-futures = "0.2"
 tracing-log = "0.1"
 tracing-subscriber = "0.2"
 uuid = "0.8"
+virt = "0.2"
 
 [dependencies.diesel]
 version = "1"

shell.nix

@@ -14,6 +14,7 @@ in pkgs.mkShell rec {
     pkg-config
     sqliteInteractive
     diesel-cli
+    libvirt
 
     # dhall
     dhall

src/bin/virt-test.rs

@@ -0,0 +1,26 @@
+use anyhow::Result;
+use virt::connect::Connect;
+
+fn list_all_vms(uri: &str) -> Result<()> {
+    let mut conn = Connect::open(uri)?;
+    for dom in conn.list_all_domains(0)? {
+        // if dom.is_active().unwrap() {
+        println!(
+            "{:<30} {:<15}{:<6}{}",
+            uri,
+            dom.get_name()?,
+            if dom.is_active()? { "on" } else { "off" },
+            dom.get_uuid_string()?
+        );
+        // }
+    }
+    conn.close()?;
+
+    Ok(())
+}
+
+fn main() {
+    for host in &["kos-mos", "logos", "ontos", "pneuma"] {
+        list_all_vms(&format!("qemu+ssh://root@{}/system", host)).unwrap()
+    }
+}

src/bin/waifud-migrations.rs

@@ -3,7 +3,7 @@ extern crate diesel_migrations;
 #[macro_use]
 extern crate tracing;
 
-use color_eyre::eyre::{eyre, Result};
+use anyhow::{anyhow, Result};
 use diesel::prelude::*;
 use std::env;
 
@@ -12,11 +12,10 @@ diesel_migrations::embed_migrations!("./migrations");
 pub fn establish_connection() -> Result<SqliteConnection> {
     let database_url = env::var("DATABASE_URL").unwrap_or("./var/waifud.db".to_string());
     SqliteConnection::establish(&database_url)
-        .map_err(|why| eyre!("can't connect to {}: {}", database_url, why))
+        .map_err(|why| anyhow!("can't connect to {}: {}", database_url, why))
 }
 
 fn main() -> Result<()> {
-    color_eyre::install()?;
     tracing_subscriber::fmt::init();
 
     info!("{} migrator starting up", waifud::APPLICATION_NAME);