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feat: oci compliance work (#85)

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* chore: rework oci crate to be more composable

* feat: image pull is now internally explicit

* feat: utilize vfs for assembling oci images

* feat: rework oci to preserve permissions via a vfs
This commit is contained in:
Alex Zenla
2024-04-15 10:24:14 -07:00
committed by GitHub
parent 24c71e9725
commit 89055ef77c
33 changed files with 1500 additions and 1164 deletions
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27
crates/oci/examples/squashify.rs
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@ -3,13 +3,12 @@ use std::{env::args, path::PathBuf};
use anyhow::Result;
use env_logger::Env;
use krataoci::{
cache::ImageCache,
compiler::OciImageCompiler,
name::ImageName,
packer::OciPackerFormat,
packer::{service::OciPackerService, OciPackedFormat},
progress::{OciProgress, OciProgressContext},
registry::OciPlatform,
};
use tokio::{fs, sync::broadcast};
use tokio::{fs, sync::mpsc::channel};
#[tokio::main]
async fn main() -> Result<()> {
@ -23,16 +22,16 @@ async fn main() -> Result<()> {
fs::create_dir(&cache_dir).await?;
}
let cache = ImageCache::new(&cache_dir)?;
let (sender, mut receiver) = broadcast::channel::<OciProgress>(1000);
let (sender, mut receiver) = channel::<OciProgress>(100);
tokio::task::spawn(async move {
loop {
let Some(progress) = receiver.recv().await.ok() else {
break;
let mut progresses = Vec::new();
let _ = receiver.recv_many(&mut progresses, 100).await;
let Some(progress) = progresses.last() else {
continue;
};
println!("phase {:?}", progress.phase);
for (id, layer) in progress.layers {
for (id, layer) in &progress.layers {
println!(
"{} {:?} {} of {}",
id, layer.phase, layer.value, layer.total
@ -41,14 +40,14 @@ async fn main() -> Result<()> {
}
});
let context = OciProgressContext::new(sender);
let compiler = OciImageCompiler::new(&cache, seed, context)?;
let info = compiler
.compile(&image.to_string(), &image, OciPackerFormat::Squashfs)
let service = OciPackerService::new(seed, &cache_dir, OciPlatform::current())?;
let packed = service
.request(image.clone(), OciPackedFormat::Squashfs, context)
.await?;
println!(
"generated squashfs of {} to {}",
image,
info.image.to_string_lossy()
packed.path.to_string_lossy()
);
Ok(())
}