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hypha: config as a block device

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This commit is contained in:
Alex Zenla
2024-01-18 14:52:35 -08:00
parent 0bf3eb27f4
commit 67e7ddb80a
4 changed files with 79 additions and 13 deletions
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37
hypha/src/ctl/mod.rs
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@ -1,3 +1,6 @@
mod cfgblk;
use crate::ctl::cfgblk::ConfigBlock;
use crate::error::{HyphaError, Result};
use crate::image::cache::ImageCache;
use crate::image::name::ImageName;
@ -55,10 +58,16 @@ impl Controller {
let uuid = Uuid::new_v4();
let name = format!("hypha-{uuid}");
let image_info = self.compile()?;
let squashfs_path = image_info
.squashfs
let cfgblk = ConfigBlock::new(&uuid, &image_info)?;
cfgblk.build()?;
let cfgblk_squashfs_path = cfgblk
.file
.to_str()
.ok_or_else(|| HyphaError::new("failed to convert squashfs path to string"))?;
.ok_or_else(|| HyphaError::new("failed to convert config squashfs path to string"))?;
let image_squashfs_path = image_info
.image_squashfs
.to_str()
.ok_or_else(|| HyphaError::new("failed to convert image squashfs path to string"))?;
let config = DomainConfig {
backend_domid: 0,
name: &name,
@ -66,13 +75,21 @@ impl Controller {
mem_mb: self.mem,
kernel_path: self.kernel_path.as_str(),
initrd_path: self.initrd_path.as_str(),
cmdline: "elevator=noop",
disks: vec![DomainDisk {
vdev: "xvda",
pdev: squashfs_path,
writable: false,
}],
cmdline: "quiet elevator=noop",
disks: vec![
DomainDisk {
vdev: "xvda",
pdev: image_squashfs_path,
writable: false,
},
DomainDisk {
vdev: "xvdb",
pdev: cfgblk_squashfs_path,
writable: false,
},
],
};
Ok(self.client.create(&config)?)
let domid = self.client.create(&config)?;
Ok(domid)
}
}