Add serverset (#6921)

This round-robins between a number of backends, skipping any which are observed to be bad, with expontential backoff and ease-in. This will be used in remote process execution for CAS operations.
pantsbuild · Dec 17, 2018 · 3350f7e · 3350f7e
1 parent f6e59a5
commit 3350f7e
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diff --git a/src/rust/engine/Cargo.lock b/src/rust/engine/Cargo.lock
diff --git a/src/rust/engine/Cargo.toml b/src/rust/engine/Cargo.toml
@@ -38,6 +38,7 @@ members = [
   "process_execution/bazel_protos",
   "process_executor",
   "resettable",
+  "serverset",
   "tar_api",
   "testutil",
   "testutil/mock",
@@ -65,6 +66,7 @@ default-members = [
   "process_execution/bazel_protos",
   "process_executor",
   "resettable",
+  "serverset",
   "tar_api",
   "testutil",
   "testutil/mock",

diff --git a/src/rust/engine/serverset/Cargo.toml b/src/rust/engine/serverset/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "serverset"
+version = "0.0.1"
+authors = [ "Pants Build <pantsbuild@gmail.com>" ]
+publish = false
+
+[dependencies]
+boxfuture = { path = "../boxfuture" }
+futures = "^0.1.16"
+futures-timer = "0.1.1"
+parking_lot = "0.6"