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feat: oci tar format, bit-perfect disk storage for config and manifest, concurrent image pulls (#88)

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* oci: retain bit-perfect copies of manifest and config on disk

* feat: oci tar format support

* feat: concurrent image pulls
This commit is contained in:
Alex Zenla
2024-04-16 01:53:44 -07:00
committed by GitHub
parent 79f7742caa
commit e450ebd2a2
21 changed files with 493 additions and 144 deletions
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29
crates/oci/examples/squashify.rs
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@ -5,10 +5,10 @@ use env_logger::Env;
use krataoci::{
name::ImageName,
packer::{service::OciPackerService, OciPackedFormat},
progress::{OciProgress, OciProgressContext},
progress::OciProgressContext,
registry::OciPlatform,
};
use tokio::{fs, sync::mpsc::channel};
use tokio::fs;
#[tokio::main]
async fn main() -> Result<()> {
@ -22,14 +22,28 @@ async fn main() -> Result<()> {
fs::create_dir(&cache_dir).await?;
}
let (sender, mut receiver) = channel::<OciProgress>(100);
let (context, mut receiver) = OciProgressContext::create();
tokio::task::spawn(async move {
loop {
let mut progresses = Vec::new();
let _ = receiver.recv_many(&mut progresses, 100).await;
let Some(progress) = progresses.last() else {
continue;
let Ok(mut progress) = receiver.recv().await else {
return;
};
let mut drain = 0;
loop {
if drain >= 10 {
break;
}
if let Ok(latest) = receiver.try_recv() {
progress = latest;
} else {
break;
}
drain += 1;
}
println!("phase {:?}", progress.phase);
for (id, layer) in &progress.layers {
println!(
@ -39,7 +53,6 @@ async fn main() -> Result<()> {
}
}
});
let context = OciProgressContext::new(sender);
let service = OciPackerService::new(seed, &cache_dir, OciPlatform::current())?;
let packed = service
.request(image.clone(), OciPackedFormat::Squashfs, context)