Struct LayerStorageConfig 

pub struct LayerStorageConfig {
    pub bucket: String,
    pub prefix: String,
    pub region: Option<String>,
    pub endpoint_url: Option<String>,
    pub staging_dir: PathBuf,
    pub state_db_path: PathBuf,
    pub part_size_bytes: u64,
    pub max_concurrent_uploads: usize,
    pub compression_level: i32,
    pub sync_interval_secs: u64,
}

Configuration for S3-backed layer storage

Fields

bucket: String

S3 bucket name for storing layers

prefix: String

S3 key prefix for layer objects (e.g., “layers/”)

region: Option<String>

AWS region (if not using environment/profile defaults)

endpoint_url: Option<String>

Custom S3 endpoint URL (for S3-compatible storage like MinIO)

staging_dir: PathBuf

Local directory for staging tarballs before upload

state_db_path: PathBuf

Local database path for sync state persistence

part_size_bytes: u64

Multipart upload part size in bytes (default: 64MB)

max_concurrent_uploads: usize

Maximum concurrent part uploads

compression_level: i32

Compression level for zstd (1-22, default: 3)

sync_interval_secs: u64

Sync interval in seconds (how often to check for changes)

Implementations

impl LayerStorageConfig

pub fn new(bucket: impl Into<String>) -> Self

Create a new config with the required bucket name

pub fn with_prefix(self, prefix: impl Into<String>) -> Self

Set the S3 key prefix

pub fn with_region(self, region: impl Into<String>) -> Self

Set the AWS region

pub fn with_endpoint_url(self, url: impl Into<String>) -> Self

Set a custom S3 endpoint URL

pub fn with_staging_dir(self, path: impl Into<PathBuf>) -> Self

Set the staging directory

pub fn with_state_db_path(self, path: impl Into<PathBuf>) -> Self

Set the state database path

pub fn object_key(&self, digest: &str) -> String

Build the S3 object key for a given layer digest

pub fn metadata_key(&self, digest: &str) -> String

Build the S3 object key for layer metadata

Trait Implementations

impl Clone for LayerStorageConfig

fn clone(&self) -> LayerStorageConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LayerStorageConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for LayerStorageConfig

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for LayerStorageConfig

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for LayerStorageConfig

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.