Drop Kubernetes v1.26, and support Kubernetes v1.29

Signed-off-by: Yuki Iwai <[email protected]>

Author: tenzen-y

.github/workflows/e2e-test-darts-cifar10.yaml

@@ -33,6 +33,6 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-version: ["v1.26.14", "v1.27.11", "v1.28.7"]
+        kubernetes-version: ["v1.27.11", "v1.28.7", "v1.29.2"]
         # Comma Delimited
         experiments: ["darts-cpu"]

.github/workflows/e2e-test-enas-cifar10.yaml

@@ -33,6 +33,6 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-version: ["v1.26.14", "v1.27.11", "v1.28.7"]
+        kubernetes-version: ["v1.27.11", "v1.28.7", "v1.29.2"]
         # Comma Delimited
         experiments: ["enas-cpu"]

.github/workflows/e2e-test-pytorch-mnist.yaml

@@ -34,7 +34,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-version: ["v1.26.14", "v1.27.11", "v1.28.7"]
+        kubernetes-version: ["v1.27.11", "v1.28.7", "v1.29.2"]
         # Comma Delimited
         experiments:
           # suggestion-hyperopt

.github/workflows/e2e-test-simple-pbt.yaml

@@ -33,6 +33,6 @@ jobs:
       fail-fast: false
       matrix:
         # Detail: https://hub.docker.com/r/kindest/node
-        kubernetes-version: ["v1.26.14", "v1.27.11", "v1.28.7"]
+        kubernetes-version: ["v1.27.11", "v1.28.7", "v1.29.2"]
         # Comma Delimited
         experiments: ["simple-pbt"]

.github/workflows/e2e-test-tf-mnist-with-summaries.yaml

@@ -33,6 +33,6 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-version: ["v1.26.14", "v1.27.11", "v1.28.7"]
+        kubernetes-version: ["v1.27.11", "v1.28.7", "v1.29.2"]
         # Comma Delimited
         experiments: ["tfjob-mnist-with-summaries"]

.github/workflows/e2e-test-ui-random-search-postgres.yaml

@@ -32,4 +32,4 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-version: ["v1.26.14", "v1.27.11", "v1.28.7"]
+        kubernetes-version: ["v1.27.11", "v1.28.7", "v1.29.2"]

.github/workflows/test-go.yaml

@@ -65,7 +65,7 @@ jobs:
       fail-fast: false
       matrix:
         # Detail: `setup-envtest list`
-        kubernetes-version: ["1.26.1", "1.27.1", "1.28.3"]
+        kubernetes-version: ["1.27.1", "1.28.3", "1.29.3"]
 
   # notifies that all test jobs are finished.
   finish:

Makefile

@@ -7,7 +7,7 @@ HAS_MOCKGEN := $(shell command -v mockgen;)
 COMMIT := v1beta1-$(shell git rev-parse --short=7 HEAD)
 KATIB_REGISTRY := docker.io/kubeflowkatib
 CPU_ARCH ?= amd64
-ENVTEST_K8S_VERSION ?= 1.28
+ENVTEST_K8S_VERSION ?= 1.29
 MOCKGEN_VERSION ?= $(shell grep 'github.com/golang/mock' go.mod | cut -d ' ' -f 2)
 GO_VERSION=$(shell grep '^go' go.mod | cut -d ' ' -f 2)
 
@@ -23,7 +23,7 @@ test: envtest
 
 envtest:
 ifndef HAS_SETUP_ENVTEST
-	go install sigs.k8s.io/controller-runtime/tools/setup-envtest@8a64e5f3bd788d79be2396d21a29551fc49e46a8 #v0.16.5
+	go install sigs.k8s.io/controller-runtime/tools/setup-envtest@bf15e44028f908c790721fc8fe67c7bf2d06a611 #v0.17.3
 	$(info "setup-envtest has been installed")
 endif
 	$(info "setup-envtest has already installed")

README.md

@@ -154,8 +154,8 @@ Follow the next steps to install Katib standalone.
 
 This is the minimal requirements to install Katib:
 
-- Kubernetes >= 1.26
-- `kubectl` >= 1.26
+- Kubernetes >= 1.27
+- `kubectl` >= 1.27
 
 ## Latest Version
 

cmd/katib-controller/v1beta1/main.go

@@ -26,7 +26,6 @@ import (
 	"github.com/spf13/viper"
 	"k8s.io/apimachinery/pkg/runtime"
 	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
-	"sigs.k8s.io/controller-runtime/pkg/client/apiutil"
 	"sigs.k8s.io/controller-runtime/pkg/client/config"
 	"sigs.k8s.io/controller-runtime/pkg/healthz"
 	logf "sigs.k8s.io/controller-runtime/pkg/log"
@@ -118,10 +117,6 @@ func main() {
 		LeaderElection:         initConfig.ControllerConfig.EnableLeaderElection,
 		LeaderElectionID:       initConfig.ControllerConfig.LeaderElectionID,
 		Scheme:                 scheme,
-		// TODO: Once the below issue is resolved, we need to switch discovery-client to the built-in one.
-		// https://github.com/kubernetes-sigs/controller-runtime/issues/2354
-		// https://github.com/kubernetes-sigs/controller-runtime/issues/2424
-		MapperProvider: apiutil.NewDiscoveryRESTMapper,
 	})
 	if err != nil {
 		log.Error(err, "Failed to create the manager")