tustvold commented on code in PR #333:
URL:
https://github.com/apache/arrow-rs-object-store/pull/333#discussion_r2052561273
##########
src/aws/credential.rs:
##########
@@ -719,6 +720,68 @@ async fn task_credential(
})
}
+/// EKS Pod Identity credential provider.
+///
+/// Uses the endpoint in `AWS_CONTAINER_CREDENTIALS_FULL_URI`
+/// and the bearer token in `AWS_CONTAINER_AUTHORIZATION_TOKEN_FILE`
+/// to fetch ephemeral AWS credentials from an EKS pod.
+#[derive(Debug)]
+pub(crate) struct EKSPodCredentialProvider {
+ pub url: String,
+ pub token_file: String,
+ pub retry: RetryConfig,
+ pub client: HttpClient,
+ pub cache: TokenCache<Arc<AwsCredential>>,
+}
+
+#[async_trait]
+impl CredentialProvider for EKSPodCredentialProvider {
+ type Credential = AwsCredential;
+
+ async fn get_credential(&self) -> Result<Arc<AwsCredential>> {
+ self.cache
+ .get_or_insert_with(|| {
+ eks_credential(&self.client, &self.retry, &self.url,
&self.token_file)
+ })
+ .await
+ .map_err(|source| crate::Error::Generic {
+ store: STORE,
+ source,
+ })
+ }
+}
+
+/// Performs the actual credential retrieval and parsing for
`EKSPodCredentialProvider`.
+///
+///
<https://mozillazg.com/2023/12/security-deep-dive-into-aws-eks-pod-identity-feature-en.html>
+async fn eks_credential(
+ client: &HttpClient,
+ retry: &RetryConfig,
+ url: &str,
+ token_file: &str,
+) -> std::result::Result<TemporaryToken<Arc<AwsCredential>>, Box<dyn
std::error::Error + Send + Sync>>
Review Comment:
```suggestion
) -> Result<TemporaryToken<Arc<AwsCredential>>, StdError>
```
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