Backout 2021 (kube-rs#666)

* Revert "2021 edition"

This reverts commit 979b7c9.

* backout resolver document

Signed-off-by: clux <sszynrae@gmail.com>

CHANGELOG.md

@@ -10,7 +10,6 @@ UNRELEASED
  * `kube::runtime::wait::conditions` added `is_crd_established` helper - #659
  * `kube::CustomResource` derive can now take an arbitrary `#[kube_core]` path for `kube::core` - #658
  * `kube::core` consistently re-exported across crates
- * rust `edition` bumped to `2021` - #664
  * docs: major overhaul + [architecture.md](./architecture.md) - #416 via #652
 
 0.61.0 / 2021-10-09

Makefile

@@ -9,7 +9,7 @@ clippy:
 
 fmt:
 	#rustup component add rustfmt --toolchain nightly
-	rustfmt +nightly --edition 2021 $$(find . -type f -iname *.rs)
+	rustfmt +nightly --edition 2018 $$(find . -type f -iname *.rs)
 
 doc:
 	RUSTDOCFLAGS="--cfg docsrs" cargo +nightly doc --lib --workspace --features=derive,ws,oauth,jsonpatch,client,derive,runtime,admission --open
@@ -22,7 +22,7 @@ test:
 	cd kube && cargo test --lib --features=derive
 
 readme:
-	rustdoc README.md --test --edition=2021
+	rustdoc README.md --test --edition=2018
 
 kind-create:
 	kind create cluster

examples/Cargo.toml

@@ -7,7 +7,7 @@ authors = [
   "kazk <kazk.dev@gmail.com>",
 ]
 publish = false
-edition = "2021"
+edition = "2018"
 license = "Apache-2.0"
 
 [package.metadata.release]

examples/admission_controller.rs

@@ -2,7 +2,10 @@ use kube::core::{
     admission::{AdmissionRequest, AdmissionResponse, AdmissionReview},
     DynamicObject, ResourceExt,
 };
-use std::{convert::Infallible, error::Error};
+use std::{
+    convert::{Infallible, TryInto},
+    error::Error,
+};
 #[macro_use] extern crate log;
 use warp::{reply, Filter, Reply};
 

kube-client/Cargo.toml

@@ -12,7 +12,7 @@ repository = "https://github.com/kube-rs/kube-rs"
 readme = "../README.md"
 keywords = ["kubernetes", "client",]
 categories = ["web-programming::http-client"]
-edition = "2021"
+edition = "2018"
 
 [features]
 default = ["client", "native-tls"]

kube-client/src/client/auth/mod.rs

@@ -1,4 +1,4 @@
-use std::{process::Command, sync::Arc};
+use std::{convert::TryFrom, process::Command, sync::Arc};
 
 use chrono::{DateTime, Duration, Utc};
 use http::HeaderValue;

kube-client/src/client/config_ext.rs

@@ -1,3 +1,5 @@
+use std::convert::TryFrom;
+
 use tower::util::Either;
 
 #[cfg(any(feature = "native-tls", feature = "rustls-tls"))] use super::tls;

kube-client/src/client/middleware/refresh_token.rs

@@ -130,7 +130,7 @@ where
 mod tests {
     use super::*;
 
-    use std::{matches, sync::Arc};
+    use std::{convert::TryFrom, matches, sync::Arc};
 
     use chrono::{Duration, Utc};
     use futures::pin_mut;

kube-client/src/client/mod.rs

@@ -7,6 +7,9 @@
 //!
 //! The [`Client`] can also be used with [`Discovery`](crate::Discovery) to dynamically
 //! retrieve the resources served by the kubernetes API.
+
+use std::convert::TryFrom;
+
 use bytes::Bytes;
 use either::{Either, Left, Right};
 use futures::{self, Stream, StreamExt, TryStream, TryStreamExt};

kube-core/Cargo.toml

@@ -6,7 +6,7 @@ authors = [
   "clux <sszynrae@gmail.com>",
   "kazk <kazk.dev@gmail.com>",
 ]
-edition = "2021"
+edition = "2018"
 license = "Apache-2.0"
 repository = "https://github.com/kube-rs/kube-rs"
 readme = "../README.md"

kube-core/src/admission.rs

@@ -13,7 +13,7 @@ use crate::{
     Error, Result,
 };
 
-use std::collections::HashMap;
+use std::{collections::HashMap, convert::TryInto};
 
 use k8s_openapi::{
     api::authentication::v1::UserInfo,
@@ -64,6 +64,7 @@ impl<T: Resource> TryInto<AdmissionRequest<T>> for AdmissionReview<T> {
 /// An incoming [`AdmissionReview`] request.
 /// ```ignore
 /// use kube::api::{admission::{AdmissionRequest, AdmissionReview}, DynamicObject};
+/// use std::convert::TryInto;
 ///
 /// // The incoming AdmissionReview received by the controller.
 /// let body: AdmissionReview<DynamicObject>;
@@ -186,6 +187,7 @@ pub enum Operation {
 ///         admission::{AdmissionRequest, AdmissionResponse, AdmissionReview},
 ///         DynamicObject,
 /// };
+/// use std::convert::TryInto;
 ///
 /// // The incoming AdmissionReview received by the controller.
 /// let body: AdmissionReview<DynamicObject>;
@@ -333,6 +335,8 @@ pub enum PatchType {
 mod test {
     const WEBHOOK_BODY: &str = r#"{"kind":"AdmissionReview","apiVersion":"admission.k8s.io/v1","request":{"uid":"0c9a8d74-9cb7-44dd-b98e-09fd62def2f4","kind":{"group":"","version":"v1","kind":"Pod"},"resource":{"group":"","version":"v1","resource":"pods"},"requestKind":{"group":"","version":"v1","kind":"Pod"},"requestResource":{"group":"","version":"v1","resource":"pods"},"name":"echo-pod","namespace":"colin-coder","operation":"CREATE","userInfo":{"username":"colin@coder.com","groups":["system:authenticated"],"extra":{"iam.gke.io/user-assertion":["REDACTED"],"user-assertion.cloud.google.com":["REDACTED"]}},"object":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"echo-pod","namespace":"colin-coder","creationTimestamp":null,"labels":{"app":"echo-server"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"labels\":{\"app\":\"echo-server\"},\"name\":\"echo-pod\",\"namespace\":\"colin-coder\"},\"spec\":{\"containers\":[{\"image\":\"jmalloc/echo-server\",\"name\":\"echo-server\",\"ports\":[{\"containerPort\":8080,\"name\":\"http-port\"}]}]}}\n"},"managedFields":[{"manager":"kubectl","operation":"Update","apiVersion":"v1","time":"2021-03-29T23:02:16Z","fieldsType":"FieldsV1","fieldsV1":{"f:metadata":{"f:annotations":{".":{},"f:kubectl.kubernetes.io/last-applied-configuration":{}},"f:labels":{".":{},"f:app":{}}},"f:spec":{"f:containers":{"k:{\"name\":\"echo-server\"}":{".":{},"f:image":{},"f:imagePullPolicy":{},"f:name":{},"f:ports":{".":{},"k:{\"containerPort\":8080,\"protocol\":\"TCP\"}":{".":{},"f:containerPort":{},"f:name":{},"f:protocol":{}}},"f:resources":{},"f:terminationMessagePath":{},"f:terminationMessagePolicy":{}}},"f:dnsPolicy":{},"f:enableServiceLinks":{},"f:restartPolicy":{},"f:schedulerName":{},"f:securityContext":{},"f:terminationGracePeriodSeconds":{}}}}]},"spec":{"volumes":[{"name":"default-token-rxbqq","secret":{"secretName":"default-token-rxbqq"}}],"containers":[{"name":"echo-server","image":"jmalloc/echo-server","ports":[{"name":"http-port","containerPort":8080,"protocol":"TCP"}],"resources":{},"volumeMounts":[{"name":"default-token-rxbqq","readOnly":true,"mountPath":"/var/run/secrets/kubernetes.io/serviceaccount"}],"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File","imagePullPolicy":"Always"}],"restartPolicy":"Always","terminationGracePeriodSeconds":30,"dnsPolicy":"ClusterFirst","serviceAccountName":"default","serviceAccount":"default","securityContext":{},"schedulerName":"default-scheduler","tolerations":[{"key":"node.kubernetes.io/not-ready","operator":"Exists","effect":"NoExecute","tolerationSeconds":300},{"key":"node.kubernetes.io/unreachable","operator":"Exists","effect":"NoExecute","tolerationSeconds":300}],"priority":0,"enableServiceLinks":true},"status":{}},"oldObject":null,"dryRun":false,"options":{"kind":"CreateOptions","apiVersion":"meta.k8s.io/v1"}}}"#;
 
+    use std::convert::TryInto;
+
     use crate::{
         admission::{AdmissionResponse, AdmissionReview},
         DynamicObject, Result,

kube-derive/Cargo.toml

@@ -6,7 +6,7 @@ authors = [
   "clux <sszynrae@gmail.com>",
   "kazk <kazk.dev@gmail.com>",
 ]
-edition = "2021"
+edition = "2018"
 license = "Apache-2.0"
 repository = "https://github.com/kube-rs/kube-rs"
 readme = "../README.md"

kube-runtime/Cargo.toml

@@ -10,7 +10,7 @@ license = "Apache-2.0"
 repository = "https://github.com/kube-rs/kube-rs"
 keywords = ["kubernetes", "runtime", "reflector", "watcher", "controller"]
 categories = ["web-programming::http-client"]
-edition = "2021"
+edition = "2018"
 
 [dependencies]
 futures = "0.3.17"

kube/Cargo.toml

@@ -12,7 +12,7 @@ repository = "https://github.com/kube-rs/kube-rs"
 readme = "../README.md"
 keywords = ["kubernetes", "client", "runtime"]
 categories = ["web-programming::http-client"]
-edition = "2021"
+edition = "2018"
 
 [features]
 default = ["client", "native-tls"]

tests/Cargo.toml

@@ -3,7 +3,7 @@ name = "tests"
 version = "0.1.0"
 authors = ["clux <sszynrae@gmail.com>"]
 publish = false
-edition = "2021"
+edition = "2018"
 license = "Apache-2.0"
 
 [package.metadata.release]