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Always use
http::Uri instead of url::Url
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,56 +1,56 @@ | ||
| use http::Request; | ||
| use http::{uri, Request}; | ||
| use hyper::Body; | ||
|
|
||
| /// Set cluster URL. | ||
| pub fn set_cluster_url(req: Request<Body>, url: &url::Url) -> Request<Body> { | ||
| pub fn set_cluster_url(req: Request<Body>, base_uri: &http::Uri) -> Request<Body> { | ||
| let (mut parts, body) = req.into_parts(); | ||
| let pandq = parts.uri.path_and_query().expect("valid path+query from kube"); | ||
| parts.uri = finalize_url(url, &pandq).parse().expect("valid URL"); | ||
| let request_pandq = parts.uri.path_and_query().expect("nonempty path+query"); | ||
| parts.uri = finalize_url(base_uri, request_pandq); | ||
| Request::from_parts(parts, body) | ||
| } | ||
|
|
||
| /// An internal url joiner to deal with the two different interfaces | ||
| /// | ||
| /// - api module produces a http::Uri which we can turn into a PathAndQuery (has a leading slash by construction) | ||
| /// - config module produces a url::Url from user input (sometimes contains path segments) | ||
| /// | ||
| /// This deals with that in a pretty easy way (tested below) | ||
| fn finalize_url(cluster_url: &url::Url, request_pandq: &http::uri::PathAndQuery) -> String { | ||
| let base = cluster_url.as_str().trim_end_matches('/'); // pandq always starts with a slash | ||
| format!("{}{}", base, request_pandq) | ||
| // Join base URI and Path+Query, preserving any path in the base. | ||
| fn finalize_url(base_uri: &http::Uri, request_pandq: &uri::PathAndQuery) -> http::Uri { | ||
| let mut builder = uri::Builder::new(); | ||
| if let Some(scheme) = base_uri.scheme() { | ||
| builder = builder.scheme(scheme.as_str()); | ||
| } | ||
| if let Some(authority) = base_uri.authority() { | ||
| builder = builder.authority(authority.as_str()); | ||
| } | ||
| if let Some(pandq) = base_uri.path_and_query() { | ||
| // If `base_uri` has path, remove any trailing space and join. | ||
| // `PathAndQuery` always starts with a slash. | ||
| let base_path = pandq.path().trim_end_matches('/'); | ||
| builder = builder.path_and_query(format!("{}{}", base_path, request_pandq)); | ||
| } else { | ||
| builder = builder.path_and_query(request_pandq.as_str()); | ||
| } | ||
| builder.build().expect("valid URI") | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod tests { | ||
| #[test] | ||
| fn normal_host() { | ||
| let minikube_host = "https://192.168.1.65:8443"; | ||
| let cluster_url = url::Url::parse(minikube_host).unwrap(); | ||
| let apipath: http::Uri = "/api/v1/nodes?hi=yes".parse().unwrap(); | ||
| let base_uri = http::Uri::from_static("https://192.168.1.65:8443"); | ||
| let apipath = http::Uri::from_static("/api/v1/nodes?hi=yes"); | ||
| let pandq = apipath.path_and_query().expect("could pandq apipath"); | ||
| let final_url = super::finalize_url(&cluster_url, &pandq); | ||
| assert_eq!( | ||
| final_url.as_str(), | ||
| super::finalize_url(&base_uri, &pandq), | ||
| "https://192.168.1.65:8443/api/v1/nodes?hi=yes" | ||
| ); | ||
| } | ||
|
|
||
| #[test] | ||
| fn rancher_host() { | ||
| // in rancher, kubernetes server names are not hostnames, but a host with a path: | ||
| let rancher_host = "https://hostname/foo/bar"; | ||
| let cluster_url = url::Url::parse(rancher_host).unwrap(); | ||
| assert_eq!(cluster_url.host_str().unwrap(), "hostname"); | ||
| assert_eq!(cluster_url.path(), "/foo/bar"); | ||
| // we must be careful when using Url::join on our http::Uri result | ||
| // as a straight two Uri::join would trim away rancher's initial path | ||
| // case in point (discards original path): | ||
| assert_eq!(cluster_url.join("/api/v1/nodes").unwrap().path(), "/api/v1/nodes"); | ||
|
|
||
| let apipath: http::Uri = "/api/v1/nodes?hi=yes".parse().unwrap(); | ||
| let pandq = apipath.path_and_query().expect("could pandq apipath"); | ||
|
|
||
| let final_url = super::finalize_url(&cluster_url, &pandq); | ||
| assert_eq!(final_url.as_str(), "https://hostname/foo/bar/api/v1/nodes?hi=yes"); | ||
| let base_uri = http::Uri::from_static("https://example.com/foo/bar"); | ||
| let api_path = http::Uri::from_static("/api/v1/nodes?hi=yes"); | ||
| let pandq = api_path.path_and_query().unwrap(); | ||
| assert_eq!( | ||
| super::finalize_url(&base_uri, &pandq), | ||
| "https://example.com/foo/bar/api/v1/nodes?hi=yes" | ||
| ); | ||
| } | ||
| } |