mirror of
https://github.com/minio/minio-rs.git
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26d67b80df
The ObjectContent::to_file() function was not working properly, as it could not write in a temporary file (created with tokio::fs::File::open(), which opens a file in read-only mode). To solve this issue, modified the way temporary files are opened to be able to write inside of it. * Add an example to download a file This new example demonstrates how to download an object and store its content into a file. --------- Co-authored-by: Henk-Jan Lebbink <henkjan.lebbink@gmail.com> Co-authored-by: Jean Sainctavit <jean.sainctavit@qarnot-computing.com>
76 lines
2.3 KiB
Rust
76 lines
2.3 KiB
Rust
use minio::s3::args::{BucketExistsArgs, MakeBucketArgs};
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use minio::s3::builders::ObjectContent;
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use minio::s3::client::ClientBuilder;
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use minio::s3::creds::StaticProvider;
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use minio::s3::http::BaseUrl;
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use minio::s3::types::S3Api;
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use std::path::Path;
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
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env_logger::init(); // Note: set environment variable RUST_LOG="INFO" to log info and higher
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let base_url = "https://play.min.io".parse::<BaseUrl>()?;
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log::info!("Trying to connect to MinIO at: `{:?}`", base_url);
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let static_provider = StaticProvider::new(
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"Q3AM3UQ867SPQQA43P2F",
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"zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG",
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None,
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);
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let client = ClientBuilder::new(base_url.clone())
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.provider(Some(Box::new(static_provider)))
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.build()?;
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let bucket_name: &str = "file-download-rust-bucket";
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let object_name: &str = "cat.png";
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// File we are going to upload to the bucket
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let filename: &Path = Path::new("./examples/cat.png");
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let download_path: &str = &format!("/tmp/downloads/{object_name}");
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// Check 'bucket_name' bucket exist or not.
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let exists: bool = client
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.bucket_exists(&BucketExistsArgs::new(bucket_name).unwrap())
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.await
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.unwrap();
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// Make 'bucket_name' bucket if not exist.
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if !exists {
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client
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.make_bucket(&MakeBucketArgs::new(bucket_name).unwrap())
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.await
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.unwrap();
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}
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if filename.exists() {
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log::info!("File '{}' exists.", &filename.to_str().unwrap());
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} else {
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log::error!("File '{}' does not exist.", &filename.to_str().unwrap());
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return Ok(());
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}
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let content = ObjectContent::from(filename);
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client
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.put_object_content(bucket_name, object_name, content)
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.send()
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.await?;
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log::info!(
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"file '{}' is successfully uploaded as object '{object_name}' to bucket '{bucket_name}'.",
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filename.display()
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);
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let get_object = client.get_object(bucket_name, object_name).send().await?;
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get_object
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.content
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.to_file(&Path::new(download_path))
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.await?;
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log::info!("Object '{object_name}' is successfully downloaded to file '{download_path}'.");
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Ok(())
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}
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