object_store: Migrate from snafu to thiserror

object_store/Cargo.toml

@@ -38,7 +38,7 @@ humantime = "2.1"
 itertools = "0.13.0"
 parking_lot = { version = "0.12" }
 percent-encoding = "2.1"
-snafu = { version = "0.8", default-features = false, features = ["std", "rust_1_61"] }
+thiserror = "1.0"
 tracing = { version = "0.1" }
 url = "2.2"
 walkdir = "2"

object_store/src/aws/builder.rs

@@ -32,7 +32,6 @@ use itertools::Itertools;
 use md5::{Digest, Md5};
 use reqwest::header::{HeaderMap, HeaderValue};
 use serde::{Deserialize, Serialize};
-use snafu::{OptionExt, ResultExt, Snafu};
 use std::str::FromStr;
 use std::sync::Arc;
 use std::time::Duration;
@@ -43,47 +42,47 @@ use url::Url;
 static DEFAULT_METADATA_ENDPOINT: &str = "http://169.254.169.254";
 
 /// A specialized `Error` for object store-related errors
-#[derive(Debug, Snafu)]
+#[derive(Debug, thiserror::Error)]
 #[allow(missing_docs)]
 enum Error {
-    #[snafu(display("Missing bucket name"))]
+    #[error("Missing bucket name")]
     MissingBucketName,
 
-    #[snafu(display("Missing AccessKeyId"))]
+    #[error("Missing AccessKeyId")]
     MissingAccessKeyId,
 
-    #[snafu(display("Missing SecretAccessKey"))]
+    #[error("Missing SecretAccessKey")]
     MissingSecretAccessKey,
 
-    #[snafu(display("Unable parse source url. Url: {}, Error: {}", url, source))]
+    #[error("Unable parse source url. Url: {}, Error: {}", url, source)]
     UnableToParseUrl {
         source: url::ParseError,
         url: String,
     },
 
-    #[snafu(display(
+    #[error(
         "Unknown url scheme cannot be parsed into storage location: {}",
         scheme
-    ))]
+    )]
     UnknownUrlScheme { scheme: String },
 
-    #[snafu(display("URL did not match any known pattern for scheme: {}", url))]
+    #[error("URL did not match any known pattern for scheme: {}", url)]
     UrlNotRecognised { url: String },
 
-    #[snafu(display("Configuration key: '{}' is not known.", key))]
+    #[error("Configuration key: '{}' is not known.", key)]
     UnknownConfigurationKey { key: String },
 
-    #[snafu(display("Invalid Zone suffix for bucket '{bucket}'"))]
+    #[error("Invalid Zone suffix for bucket '{bucket}'")]
     ZoneSuffix { bucket: String },
 
-    #[snafu(display("Invalid encryption type: {}. Valid values are \"AES256\", \"sse:kms\", \"sse:kms:dsse\" and \"sse-c\".", passed))]
+    #[error("Invalid encryption type: {}. Valid values are \"AES256\", \"sse:kms\", \"sse:kms:dsse\" and \"sse-c\".", passed)]
     InvalidEncryptionType { passed: String },
 
-    #[snafu(display(
+    #[error(
         "Invalid encryption header values. Header: {}, source: {}",
         header,
         source
-    ))]
+    )]
     InvalidEncryptionHeader {
         header: &'static str,
         source: Box<dyn std::error::Error + Send + Sync + 'static>,
@@ -589,8 +588,15 @@ impl AmazonS3Builder {
     /// This is a separate member function to allow fallible computation to
     /// be deferred until [`Self::build`] which in turn allows deriving [`Clone`]
     fn parse_url(&mut self, url: &str) -> Result<()> {
-        let parsed = Url::parse(url).context(UnableToParseUrlSnafu { url })?;
-        let host = parsed.host_str().context(UrlNotRecognisedSnafu { url })?;
+        let parsed = Url::parse(url).map_err(|source| {
+            let url = url.into();
+            Error::UnableToParseUrl { url, source }
+        })?;
+
+        let host = parsed
+            .host_str()
+            .ok_or_else(|| Error::UrlNotRecognised { url: url.into() })?;
+
         match parsed.scheme() {
             "s3" | "s3a" => self.bucket_name = Some(host.to_string()),
             "https" => match host.splitn(4, '.').collect_tuple() {
@@ -616,9 +622,12 @@ impl AmazonS3Builder {
                         self.bucket_name = Some(bucket.into());
                     }
                 }
-                _ => return Err(UrlNotRecognisedSnafu { url }.build().into()),
+                _ => return Err(Error::UrlNotRecognised { url: url.into() }.into()),
             },
-            scheme => return Err(UnknownUrlSchemeSnafu { scheme }.build().into()),
+            scheme => {
+                let scheme = scheme.into();
+                return Err(Error::UnknownUrlScheme { scheme }.into());
+            }
         };
         Ok(())
     }
@@ -853,7 +862,7 @@ impl AmazonS3Builder {
             self.parse_url(&url)?;
         }
 
-        let bucket = self.bucket_name.context(MissingBucketNameSnafu)?;
+        let bucket = self.bucket_name.ok_or(Error::MissingBucketName)?;
         let region = self.region.unwrap_or_else(|| "us-east-1".to_string());
         let checksum = self.checksum_algorithm.map(|x| x.get()).transpose()?;
         let copy_if_not_exists = self.copy_if_not_exists.map(|x| x.get()).transpose()?;
@@ -935,7 +944,10 @@ impl AmazonS3Builder {
 
         let (session_provider, zonal_endpoint) = match self.s3_express.get()? {
             true => {
-                let zone = parse_bucket_az(&bucket).context(ZoneSuffixSnafu { bucket: &bucket })?;
+                let zone = parse_bucket_az(&bucket).ok_or_else(|| {
+                    let bucket = bucket.clone();
+                    Error::ZoneSuffix { bucket }
+                })?;
 
                 // https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-express-Regions-and-Zones.html
                 let endpoint = format!("https://{bucket}.s3express-{zone}.{region}.amazonaws.com");

object_store/src/aws/client.rs

@@ -56,62 +56,61 @@ use reqwest::{Client as ReqwestClient, Method, RequestBuilder, Response};
 use ring::digest;
 use ring::digest::Context;
 use serde::{Deserialize, Serialize};
-use snafu::{ResultExt, Snafu};
 use std::sync::Arc;
 
 const VERSION_HEADER: &str = "x-amz-version-id";
 const SHA256_CHECKSUM: &str = "x-amz-checksum-sha256";
 const USER_DEFINED_METADATA_HEADER_PREFIX: &str = "x-amz-meta-";
 
 /// A specialized `Error` for object store-related errors
-#[derive(Debug, Snafu)]
+#[derive(Debug, thiserror::Error)]
 #[allow(missing_docs)]
 pub(crate) enum Error {
-    #[snafu(display("Error performing DeleteObjects request: {}", source))]
+    #[error("Error performing DeleteObjects request: {}", source)]
     DeleteObjectsRequest { source: crate::client::retry::Error },
 
-    #[snafu(display(
+    #[error(
         "DeleteObjects request failed for key {}: {} (code: {})",
         path,
         message,
         code
-    ))]
+    )]
     DeleteFailed {
         path: String,
         code: String,
         message: String,
     },
 
-    #[snafu(display("Error getting DeleteObjects response body: {}", source))]
+    #[error("Error getting DeleteObjects response body: {}", source)]
     DeleteObjectsResponse { source: reqwest::Error },
 
-    #[snafu(display("Got invalid DeleteObjects response: {}", source))]
+    #[error("Got invalid DeleteObjects response: {}", source)]
     InvalidDeleteObjectsResponse {
         source: Box<dyn std::error::Error + Send + Sync + 'static>,
     },
 
-    #[snafu(display("Error performing list request: {}", source))]
+    #[error("Error performing list request: {}", source)]
     ListRequest { source: crate::client::retry::Error },
 
-    #[snafu(display("Error getting list response body: {}", source))]
+    #[error("Error getting list response body: {}", source)]
     ListResponseBody { source: reqwest::Error },
 
-    #[snafu(display("Error getting create multipart response body: {}", source))]
+    #[error("Error getting create multipart response body: {}", source)]
     CreateMultipartResponseBody { source: reqwest::Error },
 
-    #[snafu(display("Error performing complete multipart request: {}", source))]
+    #[error("Error performing complete multipart request: {}", source)]
     CompleteMultipartRequest { source: crate::client::retry::Error },
 
-    #[snafu(display("Error getting complete multipart response body: {}", source))]
+    #[error("Error getting complete multipart response body: {}", source)]
     CompleteMultipartResponseBody { source: reqwest::Error },
 
-    #[snafu(display("Got invalid list response: {}", source))]
+    #[error("Got invalid list response: {}", source)]
     InvalidListResponse { source: quick_xml::de::DeError },
 
-    #[snafu(display("Got invalid multipart response: {}", source))]
+    #[error("Got invalid multipart response: {}", source)]
     InvalidMultipartResponse { source: quick_xml::de::DeError },
 
-    #[snafu(display("Unable to extract metadata from headers: {}", source))]
+    #[error("Unable to extract metadata from headers: {}", source)]
     Metadata {
         source: crate::client::header::Error,
     },
@@ -239,10 +238,15 @@ impl<'a> SessionCredential<'a> {
     }
 }
 
-#[derive(Debug, Snafu)]
+#[derive(Debug, thiserror::Error)]
 pub enum RequestError {
-    #[snafu(context(false))]
-    Generic { source: crate::Error },
+    #[error(transparent)]
+    Generic {
+        #[from]
+        source: crate::Error,
+    },
+
+    #[error("Retry")]
     Retry {
         source: crate::client::retry::Error,
         path: String,
@@ -383,12 +387,16 @@ impl<'a> Request<'a> {
             .payload(self.payload)
             .send()
             .await
-            .context(RetrySnafu { path })
+            .map_err(|source| {
+                let path = path.into();
+                RequestError::Retry { source, path }
+            })
     }
 
     pub async fn do_put(self) -> Result<PutResult> {
         let response = self.send().await?;
-        Ok(get_put_result(response.headers(), VERSION_HEADER).context(MetadataSnafu)?)
+        Ok(get_put_result(response.headers(), VERSION_HEADER)
+            .map_err(|source| Error::Metadata { source })?)
     }
 }
 
@@ -490,10 +498,10 @@ impl S3Client {
             .with_aws_sigv4(credential.authorizer(), Some(digest.as_ref()))
             .send_retry(&self.config.retry_config)
             .await
-            .context(DeleteObjectsRequestSnafu {})?
+            .map_err(|source| Error::DeleteObjectsRequest { source })?
             .bytes()
             .await
-            .context(DeleteObjectsResponseSnafu {})?;
+            .map_err(|source| Error::DeleteObjectsResponse { source })?;
 
         let response: BatchDeleteResponse =
             quick_xml::de::from_reader(response.reader()).map_err(|err| {
@@ -582,10 +590,10 @@ impl S3Client {
             .await?
             .bytes()
             .await
-            .context(CreateMultipartResponseBodySnafu)?;
+            .map_err(|source| Error::CreateMultipartResponseBody { source })?;
 
-        let response: InitiateMultipartUploadResult =
-            quick_xml::de::from_reader(response.reader()).context(InvalidMultipartResponseSnafu)?;
+        let response: InitiateMultipartUploadResult = quick_xml::de::from_reader(response.reader())
+            .map_err(|source| Error::InvalidMultipartResponse { source })?;
 
         Ok(response.upload_id)
     }
@@ -615,7 +623,9 @@ impl S3Client {
         }
         let response = request.send().await?;
 
-        let content_id = get_etag(response.headers()).context(MetadataSnafu)?;
+        let content_id =
+            get_etag(response.headers()).map_err(|source| Error::Metadata { source })?;
+
         Ok(PartId { content_id })
     }
 
@@ -651,17 +661,18 @@ impl S3Client {
             .idempotent(true)
             .send()
             .await
-            .context(CompleteMultipartRequestSnafu)?;
+            .map_err(|source| Error::CompleteMultipartRequest { source })?;
 
-        let version = get_version(response.headers(), VERSION_HEADER).context(MetadataSnafu)?;
+        let version = get_version(response.headers(), VERSION_HEADER)
+            .map_err(|source| Error::Metadata { source })?;
 
         let data = response
             .bytes()
             .await
-            .context(CompleteMultipartResponseBodySnafu)?;
+            .map_err(|source| Error::CompleteMultipartResponseBody { source })?;
 
-        let response: CompleteMultipartUploadResult =
-            quick_xml::de::from_reader(data.reader()).context(InvalidMultipartResponseSnafu)?;
+        let response: CompleteMultipartUploadResult = quick_xml::de::from_reader(data.reader())
+            .map_err(|source| Error::InvalidMultipartResponse { source })?;
 
         Ok(PutResult {
             e_tag: Some(response.e_tag),
@@ -769,13 +780,14 @@ impl ListClient for S3Client {
             .with_aws_sigv4(credential.authorizer(), None)
             .send_retry(&self.config.retry_config)
             .await
-            .context(ListRequestSnafu)?
+            .map_err(|source| Error::ListRequest { source })?
             .bytes()
             .await
-            .context(ListResponseBodySnafu)?;
+            .map_err(|source| Error::ListResponseBody { source })?;
+
+        let mut response: ListResponse = quick_xml::de::from_reader(response.reader())
+            .map_err(|source| Error::InvalidListResponse { source })?;
 
-        let mut response: ListResponse =
-            quick_xml::de::from_reader(response.reader()).context(InvalidListResponseSnafu)?;
         let token = response.next_continuation_token.take();
 
         Ok((response.try_into()?, token))

object_store/src/aws/credential.rs

@@ -29,23 +29,22 @@ use percent_encoding::utf8_percent_encode;
 use reqwest::header::{HeaderMap, HeaderValue, AUTHORIZATION};
 use reqwest::{Client, Method, Request, RequestBuilder, StatusCode};
 use serde::Deserialize;
-use snafu::{ResultExt, Snafu};
 use std::collections::BTreeMap;
 use std::sync::Arc;
 use std::time::{Duration, Instant};
 use tracing::warn;
 use url::Url;
 
-#[derive(Debug, Snafu)]
+#[derive(Debug, thiserror::Error)]
 #[allow(clippy::enum_variant_names)]
 enum Error {
-    #[snafu(display("Error performing CreateSession request: {source}"))]
+    #[error("Error performing CreateSession request: {source}")]
     CreateSessionRequest { source: crate::client::retry::Error },
 
-    #[snafu(display("Error getting CreateSession response: {source}"))]
+    #[error("Error getting CreateSession response: {source}")]
     CreateSessionResponse { source: reqwest::Error },
 
-    #[snafu(display("Invalid CreateSessionOutput response: {source}"))]
+    #[error("Invalid CreateSessionOutput response: {source}")]
     CreateSessionOutput { source: quick_xml::DeError },
 }
 
@@ -698,13 +697,13 @@ impl TokenProvider for SessionProvider {
             .with_aws_sigv4(Some(authorizer), None)
             .send_retry(retry)
             .await
-            .context(CreateSessionRequestSnafu)?
+            .map_err(|source| Error::CreateSessionRequest { source })?
             .bytes()
             .await
-            .context(CreateSessionResponseSnafu)?;
+            .map_err(|source| Error::CreateSessionResponse { source })?;
 
-        let resp: CreateSessionOutput =
-            quick_xml::de::from_reader(bytes.reader()).context(CreateSessionOutputSnafu)?;
+        let resp: CreateSessionOutput = quick_xml::de::from_reader(bytes.reader())
+            .map_err(|source| Error::CreateSessionOutput { source })?;
 
         let creds = resp.credentials;
         Ok(TemporaryToken {