[PATCH proxmox v2 2/2] s3-client: add proxy configuration as optional client option

[Christian Ebner <c.ebner@proxmox.com>]

Allows to set a http proxy configuration for the client to be used for
the traffic from and to the s3 API endpoint.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
 proxmox-s3-client/examples/s3_client.rs |  1 +
 proxmox-s3-client/src/client.rs         | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/proxmox-s3-client/examples/s3_client.rs b/proxmox-s3-client/examples/s3_client.rs
index ca69971c..df523c75 100644
--- a/proxmox-s3-client/examples/s3_client.rs
+++ b/proxmox-s3-client/examples/s3_client.rs
@@ -40,6 +40,7 @@ async fn run() -> Result<(), anyhow::Error> {
         put_rate_limit: None,
         provider_quirks: Vec::new(),
         rate_limiter_config: None,
+        proxy_config: None,
     };
 
     // Creating a client instance and connect to api endpoint
diff --git a/proxmox-s3-client/src/client.rs b/proxmox-s3-client/src/client.rs
index 81645716..9944a505 100644
--- a/proxmox-s3-client/src/client.rs
+++ b/proxmox-s3-client/src/client.rs
@@ -20,7 +20,7 @@ use openssl::x509::X509StoreContextRef;
 use tracing::error;
 
 use proxmox_http::client::HttpsConnector;
-use proxmox_http::Body;
+use proxmox_http::{Body, ProxyConfig};
 use proxmox_rate_limiter::{RateLimit, RateLimiter, SharedRateLimiter};
 use proxmox_schema::api_types::CERT_FINGERPRINT_SHA256_SCHEMA;
 
@@ -100,6 +100,8 @@ pub struct S3ClientOptions {
     pub provider_quirks: Vec<ProviderQuirks>,
     /// Configuration options for the shared rate limiter.
     pub rate_limiter_config: Option<S3RateLimiterConfig>,
+    /// Proxy configuration to be used by the client.
+    pub proxy_config: Option<ProxyConfig>,
 }
 
 impl S3ClientOptions {
@@ -110,6 +112,7 @@ impl S3ClientOptions {
         bucket: Option<String>,
         common_prefix: String,
         rate_limiter_options: Option<S3RateLimiterOptions>,
+        proxy_config: Option<ProxyConfig>,
     ) -> Self {
         let rate_limiter_config = rate_limiter_options.map(|options| S3RateLimiterConfig {
             options,
@@ -131,6 +134,7 @@ impl S3ClientOptions {
             put_rate_limit: config.put_rate_limit,
             provider_quirks: config.provider_quirks.unwrap_or_default(),
             rate_limiter_config,
+            proxy_config,
         }
     }
 }
@@ -213,6 +217,10 @@ impl S3Client {
             }
         }
 
+        if let Some(proxy_config) = &options.proxy_config {
+            https_connector.set_proxy(proxy_config.clone());
+        }
+
         let client = Client::builder(TokioExecutor::new()).build::<_, Body>(https_connector);
 
         let authority_template = if let Some(port) = options.port {
-- 
2.47.3