Drop Kubernetes v1.23 and support Kubernetes v1.26

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

@@ -33,6 +33,6 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-version: ["v1.23.17", "v1.24.16", "v1.25.12"]
+        kubernetes-version: ["v1.24.16", "v1.25.12", "v1.26.6"]
         # Comma Delimited
         experiments: ["darts-cpu"]

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

@@ -33,6 +33,6 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-version: ["v1.23.17", "v1.24.16", "v1.25.12"]
+        kubernetes-version: ["v1.24.16", "v1.25.12", "v1.26.6"]
         # Comma Delimited
         experiments: ["enas-cpu"]

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

@@ -33,7 +33,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-version: ["v1.23.17", "v1.24.16", "v1.25.12"]
+        kubernetes-version: ["v1.24.16", "v1.25.12", "v1.26.6"]
         # Comma Delimited
         experiments:
           # suggestion-hyperopt

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

@@ -34,7 +34,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kubernetes-version: ["v1.23.17", "v1.24.16", "v1.25.12"]
+        kubernetes-version: ["v1.24.16", "v1.25.12", "v1.26.6"]
         # Comma Delimited
         experiments:
           - "file-metrics-collector,pytorchjob-mnist"

.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: ["v1.23.17", "v1.24.16", "v1.25.12"]
+        kubernetes-version: ["v1.24.16", "v1.25.12", "v1.26.6"]
         # 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: ["v1.23.17", "v1.24.16", "v1.25.12"]
+        kubernetes-version: ["v1.24.16", "v1.25.12", "v1.26.6"]
         # 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: ["v1.23.17", "v1.24.16", "v1.25.12"]
+        kubernetes-version: ["v1.24.16", "v1.25.12", "v1.26.6"]

.github/workflows/test-go.yaml

@@ -64,4 +64,4 @@ jobs:
       fail-fast: false
       matrix:
         # Detail: `setup-envtest list --arch amd64`
-        kubernetes-version: ["1.23.5", "1.24.2", "1.25.0"]
+        kubernetes-version: ["1.24.2", "1.25.0", "1.26.1"]

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 ?= 1.25
+ENVTEST_K8S_VERSION ?= 1.26
 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@2c3a6fa2996c026b284c7fe2b055274cd9a556bc #v0.13.0
+	go install sigs.k8s.io/controller-runtime/tools/setup-envtest@2c3a6fa2996c026b284c7fe2b055274cd9a556bc #v0.14.6
 	$(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 >= 1.23
-- `kubectl` >= 1.23
+- Kubernetes >= 1.24
+- `kubectl` >= 1.24
 
 ## Latest Version
 

examples/v1beta1/kind-cluster/README.md

@@ -10,7 +10,7 @@ Install the following tools to run the example:
 
 - [Docker](https://docs.docker.com/get-docker) >= 20.10
 - [Kind](https://kind.sigs.k8s.io/docs/user/quick-start/#installation) >= 0.13
-- [`kubectl`](https://kubernetes.io/docs/tasks/tools/#kubectl) >= 1.22
+- [`kubectl`](https://kubernetes.io/docs/tasks/tools/#kubectl) >= 1.24
 
 ## Installation
 

examples/v1beta1/kind-cluster/deploy.sh

@@ -36,8 +36,8 @@ if [ -z "$(command -v kubectl)" ]; then
   exit 1
 fi
 
-# Step 1. Create Kind cluster with Kubernetes v1.25.2
-kind create cluster --image kindest/node:v1.25.2
+# Step 1. Create Kind cluster with Kubernetes v1.26.6
+kind create cluster --image kindest/node:v1.26.6
 echo -e "\nKind cluster has been created\n"
 
 # Step 2. Set context for kubectl

go.mod

@@ -15,26 +15,24 @@ require (
 	github.com/hpcloud/tail v1.0.1-0.20180514194441-a1dbeea552b7
 	github.com/lib/pq v1.10.6
 	github.com/mattbaird/jsonpatch v0.0.0-20171005235357-81af80346b1a
-	github.com/onsi/gomega v1.20.1
-	github.com/prometheus/client_golang v1.12.2
+	github.com/onsi/gomega v1.24.1
+	github.com/prometheus/client_golang v1.14.0
 	github.com/shirou/gopsutil/v3 v3.22.5
-	github.com/spf13/cobra v1.4.0
+	github.com/spf13/cobra v1.6.0
 	github.com/spf13/viper v1.9.0
 	github.com/tidwall/gjson v1.14.1
-	golang.org/x/net v0.7.0
+	golang.org/x/net v0.8.0
 	google.golang.org/grpc v1.53.0
-	k8s.io/api v0.25.3
-	k8s.io/apimachinery v0.25.3
-	k8s.io/client-go v0.25.3
-	k8s.io/code-generator v0.25.3
+	k8s.io/api v0.26.7
+	k8s.io/apimachinery v0.26.7
+	k8s.io/client-go v0.26.7
+	k8s.io/code-generator v0.26.7
 	k8s.io/klog v1.0.0
-	k8s.io/kube-openapi v0.0.0-20220803162953-67bda5d908f1
-	sigs.k8s.io/controller-runtime v0.13.0
+	k8s.io/kube-openapi v0.0.0-20221012153701-172d655c2280
+	sigs.k8s.io/controller-runtime v0.14.6
 )
 
 require (
-	cloud.google.com/go/compute v1.15.1 // indirect
-	cloud.google.com/go/compute/metadata v0.2.3 // indirect
 	github.com/Azure/azure-sdk-for-go v65.0.0+incompatible // indirect
 	github.com/Azure/go-autorest v14.2.0+incompatible // indirect
 	github.com/Azure/go-autorest/autorest v0.11.27 // indirect
@@ -44,8 +42,6 @@ require (
 	github.com/Azure/go-autorest/autorest/validation v0.1.0 // indirect
 	github.com/Azure/go-autorest/logger v0.2.1 // indirect
 	github.com/Azure/go-autorest/tracing v0.6.0 // indirect
-	github.com/PuerkitoBio/purell v1.1.1 // indirect
-	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
 	github.com/aws/aws-sdk-go v1.36.30 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
@@ -54,15 +50,15 @@ require (
 	github.com/docker/distribution v2.8.2+incompatible // indirect
 	github.com/docker/docker v20.10.24+incompatible // indirect
 	github.com/docker/docker-credential-helpers v0.6.4 // indirect
-	github.com/emicklei/go-restful/v3 v3.8.0 // indirect
+	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
 	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
 	github.com/evanphx/json-patch/v5 v5.6.0 // indirect
-	github.com/fsnotify/fsnotify v1.5.4 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/go-logr/logr v1.2.3 // indirect
 	github.com/go-logr/zapr v1.2.3 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-openapi/jsonpointer v0.19.5 // indirect
-	github.com/go-openapi/jsonreference v0.19.5 // indirect
+	github.com/go-openapi/jsonreference v0.20.0 // indirect
 	github.com/go-openapi/swag v0.19.14 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-jwt/jwt/v4 v4.2.0 // indirect
@@ -73,14 +69,14 @@ require (
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/imdario/mergo v0.3.12 // indirect
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
 	github.com/magiconair/properties v1.8.5 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.2 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
@@ -91,9 +87,9 @@ require (
 	github.com/pelletier/go-toml v1.9.4 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.32.1 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/prometheus/client_model v0.3.0 // indirect
+	github.com/prometheus/common v0.37.0 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
 	github.com/spf13/afero v1.6.0 // indirect
 	github.com/spf13/cast v1.4.1 // indirect
@@ -108,16 +104,16 @@ require (
 	github.com/yusufpapurcu/wmi v1.2.2 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
 	go.uber.org/multierr v1.6.0 // indirect
-	go.uber.org/zap v1.21.0 // indirect
-	golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd // indirect
-	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
+	go.uber.org/zap v1.24.0 // indirect
+	golang.org/x/crypto v0.1.0 // indirect
+	golang.org/x/mod v0.9.0 // indirect
 	golang.org/x/oauth2 v0.4.0 // indirect
-	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 // indirect
-	golang.org/x/sys v0.5.0 // indirect
-	golang.org/x/term v0.5.0 // indirect
-	golang.org/x/text v0.7.0 // indirect
-	golang.org/x/time v0.0.0-20220609170525-579cf78fd858 // indirect
-	golang.org/x/tools v0.1.12 // indirect
+	golang.org/x/sync v0.1.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/term v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.6.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
 	gonum.org/v1/gonum v0.8.2 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
@@ -130,13 +126,13 @@ require (
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	gotest.tools/v3 v3.1.0 // indirect
-	k8s.io/apiextensions-apiserver v0.25.0 // indirect
+	k8s.io/apiextensions-apiserver v0.26.1 // indirect
 	k8s.io/cloud-provider v0.21.0 // indirect
-	k8s.io/component-base v0.25.0 // indirect
-	k8s.io/gengo v0.0.0-20211129171323-c02415ce4185 // indirect
-	k8s.io/klog/v2 v2.70.1 // indirect
+	k8s.io/component-base v0.26.1 // indirect
+	k8s.io/gengo v0.0.0-20220902162205-c0856e24416d // indirect
+	k8s.io/klog/v2 v2.80.1 // indirect
 	k8s.io/legacy-cloud-providers v0.21.0 // indirect
-	k8s.io/utils v0.0.0-20220728103510-ee6ede2d64ed // indirect
+	k8s.io/utils v0.0.0-20221128185143-99ec85e7a448 // indirect
 	sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
 	sigs.k8s.io/yaml v1.3.0 // indirect