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Azblob

Azure Storage Blob services support.

Capabilities​

This service can be used to:

  • stat
  • read
  • write
  • append
  • create_dir
  • delete
  • copy
  • rename
  • list
  • scan
  • presign
  • blocking

Configuration​

  • root: Set the work dir for backend.
  • container: Set the container name for backend.
  • endpoint: Set the endpoint for backend.
  • account_name: Set the account_name for backend.
  • account_key: Set the account_key for backend.

Refer to public API docs for more information.

Examples​

This example works on Azurite for local developments.

Start local blob service​

docker run -p 10000:10000 mcr.microsoft.com/azure-storage/azurite
az storage container create --name test --connection-string "DefaultEndpointsProtocol=http;AccountName=devstoreaccount1;AccountKey=Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==;BlobEndpoint=http://127.0.0.1:10000/devstoreaccount1;"

Init OpenDAL Operator​

Via Builder​

use std::sync::Arc;

use anyhow::Result;
use opendal::services::Azblob;
use opendal::Operator;

#[tokio::main]
async fn main() -> Result<()> {
    // Create azblob backend builder.
    let mut builder = Azblob::default();
    // Set the root for azblob, all operations will happen under this root.
    //
    // NOTE: the root must be absolute path.
    builder.root("/path/to/dir");
    // Set the container name, this is required.
    builder.container("test");
    // Set the endpoint, this is required.
    //
    // For examples:
    // - "http://127.0.0.1:10000/devstoreaccount1"
    // - "https://accountname.blob.core.windows.net"
    builder.endpoint("http://127.0.0.1:10000/devstoreaccount1");
    // Set the account_name and account_key.
    //
    // OpenDAL will try load credential from the env.
    // If credential not set and no valid credential in env, OpenDAL will
    // send request without signing like anonymous user.
    builder.account_name("devstoreaccount1");
    builder.account_key("Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==");

    // `Accessor` provides the low level APIs, we will use `Operator` normally.
    let op: Operator = Operator::new(builder)?.finish();
    Ok(())
}

Via Config​

use anyhow::Result;
use opendal::Operator;
use opendal::Scheme;
use std::collections::HashMap;

#[tokio::main]
async fn main() -> Result<()> {
    let mut map = HashMap::new();
    map.insert("root".to_string(), "/path/to/dir".to_string());
    map.insert("container".to_string(), "test".to_string());
    map.insert("endpoint".to_string(), "http://127.0.0.1:10000/devstoreaccount1".to_string());
    map.insert("account_name".to_string(), "devstoreaccount1".to_string());
    map.insert("account_key".to_string(), "Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==".to_string());

    let op: Operator = Operator::via_map(Scheme::Azblob, map)?;
    Ok(())
}