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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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16
crates/oci/src/registry.rs
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@ -7,7 +7,7 @@ use reqwest::{Client, RequestBuilder, Response, StatusCode};
use tokio::{fs::File, io::AsyncWriteExt};
use url::Url;
use crate::progress::OciBoundProgress;
use crate::{progress::OciBoundProgress, schema::OciSchema};
#[derive(Clone, Debug)]
pub struct OciPlatform {
@ -176,7 +176,7 @@ impl OciRegistryClient {
&mut self,
name: N,
reference: R,
) -> Result<(ImageManifest, String)> {
) -> Result<(OciSchema<ImageManifest>, String)> {
let url = self.url.join(&format!(
"/v2/{}/manifests/{}",
name.as_ref(),
@ -198,15 +198,16 @@ impl OciRegistryClient {
.ok_or_else(|| anyhow!("fetching manifest did not yield a content digest"))?
.to_str()?
.to_string();
let manifest = serde_json::from_str(&response.text().await?)?;
Ok((manifest, digest))
let bytes = response.bytes().await?;
let manifest = serde_json::from_slice(&bytes)?;
Ok((OciSchema::new(bytes.to_vec(), manifest), digest))
}
pub async fn get_manifest_with_digest<N: AsRef<str>, R: AsRef<str>>(
&mut self,
name: N,
reference: R,
) -> Result<(ImageManifest, String)> {
) -> Result<(OciSchema<ImageManifest>, String)> {
let url = self.url.join(&format!(
"/v2/{}/manifests/{}",
name.as_ref(),
@ -244,8 +245,9 @@ impl OciRegistryClient {
.ok_or_else(|| anyhow!("fetching manifest did not yield a content digest"))?
.to_str()?
.to_string();
let manifest = serde_json::from_str(&response.text().await?)?;
Ok((manifest, digest))
let bytes = response.bytes().await?;
let manifest = serde_json::from_slice(&bytes)?;
Ok((OciSchema::new(bytes.to_vec(), manifest), digest))
}
fn pick_manifest(&mut self, index: ImageIndex) -> Option<Descriptor> {