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use crate::cloudinit::{CloudInitConfig, CloudInitError};
use crate::image::VirtualMachineImage;
use std::process::Command;
use std::result::Result;
use tempfile::tempdir;
#[derive(Debug, thiserror::Error)]
pub enum VirtInstallError {
#[error("virt-install failed: {0}")]
VirtInstallFailed(String),
#[error(transparent)]
IoError(#[from] std::io::Error),
#[error(transparent)]
StringError(#[from] std::string::FromUtf8Error),
#[error(transparent)]
CloudInitError(#[from] CloudInitError),
}
#[derive(Debug)]
pub struct VirtInstallArgs {
name: String,
memory: u64,
vcpus: u64,
image: VirtualMachineImage,
init: CloudInitConfig,
}
impl VirtInstallArgs {
pub fn new(name: &str, image: &VirtualMachineImage, init: &CloudInitConfig) -> Self {
Self {
name: name.to_string(),
memory: 1024,
vcpus: 1,
image: image.clone(),
init: init.clone(),
}
}
pub fn name(&self) -> &str {
&self.name
}
pub fn memory(&self) -> u64 {
self.memory
}
pub fn set_memory(&mut self, memory: u64) {
self.memory = memory
}
pub fn vcpus(&self) -> u64 {
self.vcpus
}
pub fn set_vcpus(&mut self, vcpus: u64) {
self.vcpus = vcpus
}
pub fn image(&self) -> &VirtualMachineImage {
&self.image
}
pub fn init(&self) -> &CloudInitConfig {
&self.init
}
}
pub fn virt_install(args: &VirtInstallArgs) -> Result<(), VirtInstallError> {
let dir = tempdir()?;
let iso = dir.path().join("cloudinit.iso");
args.init().create_iso(&iso)?;
let r = Command::new("virt-install")
.arg("--name")
.arg(args.name())
.arg("--memory")
.arg(format!("{}", args.memory()))
.arg("--vcpus")
.arg(format!("{}", args.vcpus()))
.arg(format!(
"--disk=path={},cache=none",
args.image().filename().display()
))
.arg(format!("--disk=path={},readonly=on", iso.display()))
.arg("--connect=qemu::///system")
.arg("--connect")
.arg("qemu:///system")
.arg("--cpu=host-passthrough")
.arg("--os-variant=debian9")
.arg("--import")
.arg("--graphics=spice")
.arg("--noautoconsole")
.arg("--quiet")
.output()?;
if !r.status.success() {
let stderr = String::from_utf8(r.stderr)?;
return Err(VirtInstallError::VirtInstallFailed(stderr));
}
Ok(())
}
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