Revert "delta-generator-client: add CDN_URL env to set the cdn to download deltas from"

This reverts commit bb1d48b.

Author: barthalion

src/bin/delta-generator-client.rs

@@ -72,7 +72,6 @@ gpg-verify-summary=false
 struct Manager {
     fs_pool: FsPool,
     url: String,
-    cdn_url: Option<String>,
     token: String,
     client: Option<Addr<DeltaClient>>,
     capacity: u32,
@@ -108,7 +107,6 @@ impl Manager {
                     let capacity = manager.capacity;
                     let repo = manager.repo.clone();
                     let url = manager.url.clone();
-                    let cdn_url = manager.cdn_url.clone();
                     let token = manager.token.clone();
                     let fs_pool = manager.fs_pool.clone();
                     let (sink, stream) = framed.split();
@@ -119,7 +117,6 @@ impl Manager {
                             writer: SinkWrite::new(sink, ctx),
                             manager: addr,
                             url,
-                            cdn_url,
                             token,
                             capacity,
                             repo,
@@ -161,7 +158,6 @@ struct DeltaClient {
     writer: SinkWrite<SplitSink<Framed<awc::BoxedSocket, Codec>>>,
     manager: Addr<Manager>,
     url: String,
-    cdn_url: Option<String>,
     token: String,
     capacity: u32,
     repo: PathBuf,
@@ -394,12 +390,6 @@ impl DeltaClient {
         let path2 = self.repo.clone();
         let delta2 = delta.clone();
         let base_url = self.url.clone();
-        // if we have set a CDN_URL, let's use it for the download.
-        let cdn_url = if let Some(ref cdn_url) = self.cdn_url {
-            cdn_url.clone()
-        } else {
-            url
-        };
         let token = self.token.clone();
         let reponame = repo;
         let fs_pool = self.fs_pool.clone();
@@ -411,7 +401,7 @@ impl DeltaClient {
                 .read()
                 .into_actor(self)
                 .then(move |guard, client, _ctx| {
-                    pull_and_generate_delta_async(&path, &cdn_url, &delta)
+                    pull_and_generate_delta_async(&path, &url, &delta)
                         .and_then(move |_| {
                             upload_delta(fs_pool, base_url, token, reponame, path2, delta2)
                         })
@@ -480,8 +470,6 @@ fn main() {
 
     let token = env::var("REPO_TOKEN").expect("No token, set REPO_TOKEN in env or .env");
     let url = env::var("MANAGER_URL").unwrap_or_else(|_| "http://127.0.0.1:8080".to_string());
-    // CDN_URL to download delta from. By default same as MANAGER_URL.
-    let cdn_url = env::var("CDN_URL").ok();
     let capacity: u32 = env::var("CAPACITY")
         .map(|s| s.parse().expect("Failed to parse $CAPACITY"))
         .unwrap_or_else(|_| num_cpus::get() as u32);
@@ -498,7 +486,6 @@ fn main() {
     let _addr = Manager {
         fs_pool: FsPool::default(),
         url,
-        cdn_url,
         token,
         client: None,
         capacity,