add kube client and kube provider

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/bramvdbogaerde/go-scp v1.6.0
 	github.com/deckhouse/lib-dhctl v0.13.0
 	github.com/deckhouse/lib-gossh v0.3.0
+	github.com/flant/kube-client v1.5.1
 	github.com/go-openapi/spec v0.19.8
 	github.com/google/uuid v1.6.0
 	github.com/hashicorp/go-multierror v1.1.1
@@ -15,6 +16,7 @@ require (
 	github.com/spf13/pflag v1.0.10
 	github.com/stretchr/testify v1.11.1
 	golang.org/x/term v0.39.0
+	k8s.io/apimachinery v0.32.10
 	k8s.io/client-go v0.32.10
 	sigs.k8s.io/yaml v1.6.0
 )
@@ -23,9 +25,14 @@ require (
 	github.com/DataDog/gostackparse v0.7.0 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20200428143746-21a406dcc535 // indirect
 	github.com/avelino/slugify v0.0.0-20180501145920-855f152bd774 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/blang/semver/v4 v4.0.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/deckhouse/deckhouse/pkg/log v0.1.1-0.20251230144142-2bad7c3d1edf // indirect
+	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
 	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/go-errors/errors v1.4.2 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-openapi/analysis v0.19.10 // indirect
 	github.com/go-openapi/errors v0.19.7 // indirect
@@ -38,34 +45,56 @@ require (
 	github.com/go-openapi/validate v0.19.12 // indirect
 	github.com/go-stack/stack v1.8.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/btree v1.0.1 // indirect
+	github.com/google/gnostic-models v0.6.8 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
 	github.com/gookit/color v1.5.2 // indirect
+	github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79 // indirect
 	github.com/hashicorp/errwrap v1.0.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mitchellh/mapstructure v1.3.2 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/prometheus/client_golang v1.19.1 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/rogpeppe/go-internal v1.14.1 // indirect
 	github.com/werf/logboek v0.5.5 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
+	github.com/xlab/treeprint v1.2.0 // indirect
 	github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
 	go.mongodb.org/mongo-driver v1.5.1 // indirect
 	go.yaml.in/yaml/v2 v2.4.2 // indirect
+	go.yaml.in/yaml/v3 v3.0.3 // indirect
 	golang.org/x/crypto v0.47.0 // indirect
 	golang.org/x/net v0.48.0 // indirect
 	golang.org/x/oauth2 v0.23.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.40.0 // indirect
 	golang.org/x/text v0.33.0 // indirect
 	golang.org/x/time v0.7.0 // indirect
+	google.golang.org/protobuf v1.35.1 // indirect
+	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/apimachinery v0.32.10 // indirect
+	k8s.io/api v0.32.10 // indirect
+	k8s.io/apiextensions-apiserver v0.32.10 // indirect
+	k8s.io/cli-runtime v0.32.10 // indirect
 	k8s.io/klog/v2 v2.130.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20241105132330-32ad38e42d3f // indirect
 	k8s.io/utils v0.0.0-20241104100929-3ea5e8cea738 // indirect
 	sigs.k8s.io/json v0.0.0-20241010143419-9aa6b5e7a4b3 // indirect
+	sigs.k8s.io/kustomize/api v0.18.0 // indirect
+	sigs.k8s.io/kustomize/kyaml v0.18.1 // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.4.2 // indirect
 )

pkg/kube.go

@@ -0,0 +1,67 @@
+// Copyright 2026 Flant JSC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package pkg
+
+import (
+	"context"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/client-go/dynamic"
+	"k8s.io/client-go/kubernetes"
+)
+
+type KubeClient interface {
+	kubernetes.Interface
+	Dynamic() dynamic.Interface
+	APIResourceList(apiVersion string) ([]*metav1.APIResourceList, error)
+	APIResource(apiVersion, kind string) (*metav1.APIResource, error)
+	GroupVersionResource(apiVersion, kind string) (schema.GroupVersionResource, error)
+	InvalidateDiscoveryCache()
+}
+
+type KubeProvider interface {
+	// Client
+	// create new client and initialize it
+	// if it uses over ssh will use current ssh client
+	// Created client will cache
+	// if it uses client over ssh can create new client
+	// if ssh client was switched
+	// current client will stop if new client was created but not fully
+	// because if we use over ssh current client can used in another routines
+	Client(ctx context.Context) (KubeClient, error)
+
+	// NewAdditionalClient
+	// create new additional client and initialize it
+	// if use over ssh create new ssh client for it
+	// you should call kube.Stop if client does not need. kube.Stop
+	// save for all clients not only over ssh
+	// also provider save all these clients for stop in Cleanup
+	NewAdditionalClient(ctx context.Context) (KubeClient, error)
+
+	// NewAdditionalClientWithoutInitialize
+	// create new additional client without initialize
+	// if use over ssh create new ssh client for it
+	// you should call kube.Stop if client does not need. kube.Stop
+	// save for all clients not only over ssh
+	// also provider save all these clients for stop in Cleanup
+	NewAdditionalClientWithoutInitialize(ctx context.Context) (KubeClient, error)
+
+	// Cleanup
+	// Stops all additional clients got from NewAdditionalClient and NewAdditionalClientWithoutInitialize
+	// also current client also stop, but not fully
+	// because if we use over ssh current client can used in another routines
+	Cleanup(ctx context.Context) error
+}