Update Kubernetes toolchain to v1.21.0 (#1344)

* Use Kubernetes v1.21.0 toolchain

/cherry-pick

Signed-off-by: 1gtm <1gtm@appscode.com>

* Use klog/v2

Signed-off-by: Tamal Saha <tamal@appscode.com>

Co-authored-by: Tamal Saha <tamal@appscode.com>

Author: 1gtm

go.mod

@@ -1,83 +1,88 @@
 module stash.appscode.dev/stash
 
-go 1.12
+go 1.15
 
 require (
-	github.com/Azure/azure-sdk-for-go v43.0.0+incompatible // indirect
-	github.com/Azure/go-autorest/autorest/to v0.3.1-0.20191028180845-3492b2aff503 // indirect
 	github.com/cenkalti/backoff v2.2.1+incompatible
 	github.com/codeskyblue/go-sh v0.0.0-20200712050446-30169cf553fe
-	github.com/gogo/protobuf v1.3.1
+	github.com/gogo/protobuf v1.3.2
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
-	github.com/gopherjs/gopherjs v0.0.0-20191106031601-ce3c9ade29de // indirect
-	github.com/kubernetes-csi/external-snapshotter/v2 v2.1.1-0.20200521091436-82ef6e66e992
+	github.com/kubernetes-csi/external-snapshotter/client/v4 v4.1.0
 	github.com/onsi/ginkgo v1.11.0
 	github.com/onsi/gomega v1.8.1
-	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.7.1
 	github.com/robfig/cron/v3 v3.0.1
-	github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b // indirect
-	github.com/smartystreets/assertions v1.0.1 // indirect
-	github.com/spf13/cobra v1.1.1
+	github.com/spf13/cobra v1.1.3
 	github.com/spf13/pflag v1.0.5
-	go.bytebuilders.dev/license-verifier v0.8.1
-	go.bytebuilders.dev/license-verifier/kubernetes v0.8.1
-	gomodules.xyz/blobfs v0.1.5
+	go.bytebuilders.dev/license-verifier v0.9.1
+	go.bytebuilders.dev/license-verifier/kubernetes v0.9.1
+	gomodules.xyz/blobfs v0.1.7
 	gomodules.xyz/cert v1.2.0
 	gomodules.xyz/envsubst v0.1.0
 	gomodules.xyz/pointer v0.0.0-20201105071923-daf60fa55209
-	gomodules.xyz/runtime v0.0.0-20201104200926-d838b09dda8b
+	gomodules.xyz/runtime v0.2.0
 	gomodules.xyz/stow v0.2.4
-	gomodules.xyz/x v0.0.0-20201105065653-91c568df6331
+	gomodules.xyz/x v0.0.3
 	gopkg.in/ini.v1 v1.51.0
-	k8s.io/api v0.18.9
-	k8s.io/apiextensions-apiserver v0.18.9
-	k8s.io/apimachinery v0.18.9
-	k8s.io/apiserver v0.18.9
-	k8s.io/client-go v0.18.9
-	k8s.io/kube-aggregator v0.18.9
-	k8s.io/kubernetes v1.18.9
-	kmodules.xyz/client-go v0.0.0-20210220080427-fd7308e30bb4
-	kmodules.xyz/constants v0.0.0-20200923054614-6b87dbbae4d6
-	kmodules.xyz/custom-resources v0.0.0-20210222235834-b3f8dc56b6a3
-	kmodules.xyz/objectstore-api v0.0.0-20210220080829-026d708cd259
-	kmodules.xyz/offshoot-api v0.0.0-20210220080828-fae1f6c66a89
-	kmodules.xyz/openshift v0.0.0-20210220080857-5f0c2b113f42
-	kmodules.xyz/prober v0.0.0-20210220081020-e3067cdcc914
-	kmodules.xyz/webhook-runtime v0.0.0-20210220081624-75da115ae653
-	stash.appscode.dev/apimachinery v0.12.3
+	k8s.io/api v0.21.0
+	k8s.io/apiextensions-apiserver v0.21.0
+	k8s.io/apimachinery v0.21.0
+	k8s.io/apiserver v0.21.0
+	k8s.io/client-go v0.21.0
+	k8s.io/klog/v2 v2.8.0
+	k8s.io/kube-aggregator v0.21.0
+	k8s.io/kubernetes v1.21.0
+	kmodules.xyz/client-go v0.0.0-20210504024435-1eb80721e9b8
+	kmodules.xyz/constants v0.0.0-20210218100002-2c304bfda278
+	kmodules.xyz/custom-resources v0.0.0-20210504034124-54c54fcdb690
+	kmodules.xyz/objectstore-api v0.0.0-20210504041638-b9e00ab1eab3
+	kmodules.xyz/offshoot-api v0.0.0-20210504040651-7951e351f0f5
+	kmodules.xyz/openshift v0.0.0-20210504040454-a3ddfc579bb7
+	kmodules.xyz/prober v0.0.0-20210504215326-2e406706b970
+	kmodules.xyz/webhook-runtime v0.0.0-20210504042742-3a9911e3dcdc
+	stash.appscode.dev/apimachinery v0.13.1-0.20210504142328-ae1654642a82
 )
 
 replace bitbucket.org/ww/goautoneg => gomodules.xyz/goautoneg v0.0.0-20120707110453-a547fc61f48d
 
-replace cloud.google.com/go => cloud.google.com/go v0.49.0
+replace cloud.google.com/go => cloud.google.com/go v0.54.0
 
-replace git.apache.org/thrift.git => github.com/apache/thrift v0.13.0
+replace cloud.google.com/go/bigquery => cloud.google.com/go/bigquery v1.4.0
 
-replace github.com/Azure/azure-sdk-for-go => github.com/Azure/azure-sdk-for-go v35.0.0+incompatible
+replace cloud.google.com/go/datastore => cloud.google.com/go/datastore v1.1.0
 
-replace github.com/Azure/go-ansiterm => github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78
+replace cloud.google.com/go/firestore => cloud.google.com/go/firestore v1.1.0
+
+replace cloud.google.com/go/pubsub => cloud.google.com/go/pubsub v1.2.0
+
+replace cloud.google.com/go/storage => cloud.google.com/go/storage v1.6.0
 
-replace github.com/Azure/go-autorest => github.com/Azure/go-autorest v13.0.0+incompatible
+replace github.com/Azure/azure-sdk-for-go => github.com/Azure/azure-sdk-for-go v43.0.0+incompatible
 
-replace github.com/Azure/go-autorest/autorest => github.com/Azure/go-autorest/autorest v0.9.0
+replace github.com/Azure/go-ansiterm => github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78
+
+replace github.com/Azure/go-autorest => github.com/Azure/go-autorest v14.2.0+incompatible
 
-replace github.com/Azure/go-autorest/autorest/adal => github.com/Azure/go-autorest/autorest/adal v0.5.0
+replace github.com/Azure/go-autorest/autorest => github.com/Azure/go-autorest/autorest v0.11.12
 
-replace github.com/Azure/go-autorest/autorest/azure/auth => github.com/Azure/go-autorest/autorest/azure/auth v0.2.0
+replace github.com/Azure/go-autorest/autorest/adal => github.com/Azure/go-autorest/autorest/adal v0.9.5
 
-replace github.com/Azure/go-autorest/autorest/date => github.com/Azure/go-autorest/autorest/date v0.1.0
+replace github.com/Azure/go-autorest/autorest/date => github.com/Azure/go-autorest/autorest/date v0.3.0
 
-replace github.com/Azure/go-autorest/autorest/mocks => github.com/Azure/go-autorest/autorest/mocks v0.2.0
+replace github.com/Azure/go-autorest/autorest/mocks => github.com/Azure/go-autorest/autorest/mocks v0.4.1
 
 replace github.com/Azure/go-autorest/autorest/to => github.com/Azure/go-autorest/autorest/to v0.2.0
 
 replace github.com/Azure/go-autorest/autorest/validation => github.com/Azure/go-autorest/autorest/validation v0.1.0
 
-replace github.com/Azure/go-autorest/logger => github.com/Azure/go-autorest/logger v0.1.0
+replace github.com/Azure/go-autorest/logger => github.com/Azure/go-autorest/logger v0.2.0
+
+replace github.com/Azure/go-autorest/tracing => github.com/Azure/go-autorest/tracing v0.6.0
 
-replace github.com/Azure/go-autorest/tracing => github.com/Azure/go-autorest/tracing v0.5.0
+replace github.com/docker/distribution => github.com/docker/distribution v0.0.0-20191216044856-a8371794149d
+
+replace github.com/docker/docker => github.com/moby/moby v17.12.0-ce-rc1.0.20200618181300-9dc6525e6118+incompatible
 
 replace github.com/go-openapi/analysis => github.com/go-openapi/analysis v0.19.5
 
@@ -91,50 +96,58 @@ replace github.com/go-openapi/loads => github.com/go-openapi/loads v0.19.4
 
 replace github.com/go-openapi/runtime => github.com/go-openapi/runtime v0.19.4
 
-replace github.com/go-openapi/spec => github.com/go-openapi/spec v0.19.3
+replace github.com/go-openapi/spec => github.com/go-openapi/spec v0.19.5
 
-replace github.com/go-openapi/strfmt => github.com/go-openapi/strfmt v0.19.3
+replace github.com/go-openapi/strfmt => github.com/go-openapi/strfmt v0.19.5
 
 replace github.com/go-openapi/swag => github.com/go-openapi/swag v0.19.5
 
-replace github.com/go-openapi/validate => github.com/go-openapi/validate v0.19.5
+replace github.com/go-openapi/validate => github.com/gomodules/validate v0.19.8-1.16
 
-replace github.com/gogo/protobuf => github.com/gogo/protobuf v1.3.1
+replace github.com/gogo/protobuf => github.com/gogo/protobuf v1.3.2
 
-replace github.com/golang/protobuf => github.com/golang/protobuf v1.3.2
+replace github.com/golang/protobuf => github.com/golang/protobuf v1.4.3
 
-replace github.com/googleapis/gnostic => github.com/googleapis/gnostic v0.3.1
+replace github.com/googleapis/gnostic => github.com/googleapis/gnostic v0.4.1
 
 replace github.com/imdario/mergo => github.com/imdario/mergo v0.3.5
 
-replace github.com/prometheus-operator/prometheus-operator => github.com/prometheus-operator/prometheus-operator v0.42.0
+replace github.com/jetstack/cert-manager => github.com/kmodules/cert-manager v1.3.1-0.20210429172957-c5436c14ce0e
+
+replace github.com/prometheus-operator/prometheus-operator => github.com/prometheus-operator/prometheus-operator v0.47.0
+
+replace github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring => github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.47.0
+
+replace github.com/prometheus/client_golang => github.com/prometheus/client_golang v1.10.0
+
+replace go.etcd.io/etcd => go.etcd.io/etcd v0.5.0-alpha.5.0.20200910180754-dd1b699fc489
 
-replace github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring => github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.42.0
+replace google.golang.org/api => google.golang.org/api v0.20.0
 
-replace github.com/prometheus/client_golang => github.com/prometheus/client_golang v1.7.1
+replace google.golang.org/genproto => google.golang.org/genproto v0.0.0-20201110150050-8816d57aaa9a
 
-replace go.etcd.io/etcd => go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738
+replace google.golang.org/grpc => google.golang.org/grpc v1.27.1
 
-replace google.golang.org/api => google.golang.org/api v0.14.0
+replace helm.sh/helm/v3 => github.com/kubepack/helm/v3 v3.1.0-rc.1.0.20210503022716-7e2d4913a125
 
-replace google.golang.org/genproto => google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9
+replace k8s.io/api => k8s.io/api v0.21.0
 
-replace google.golang.org/grpc => google.golang.org/grpc v1.26.0
+replace k8s.io/apimachinery => github.com/kmodules/apimachinery v0.21.1-rc.0.0.20210405112358-ad4c2289ba4c
 
-replace k8s.io/api => github.com/kmodules/api v0.18.10-0.20200922195318-d60fe725dea0
+replace k8s.io/apiserver => github.com/kmodules/apiserver v0.21.1-0.20210427013338-53dee545b83c
 
-replace k8s.io/apimachinery => github.com/kmodules/apimachinery v0.19.0-alpha.0.0.20200922195535-0c9a1b86beec
+replace k8s.io/cli-runtime => k8s.io/cli-runtime v0.21.0
 
-replace k8s.io/apiserver => github.com/kmodules/apiserver v0.18.10-0.20200922195747-1bd1cc8f00d1
+replace k8s.io/client-go => k8s.io/client-go v0.21.0
 
-replace k8s.io/cli-runtime => k8s.io/cli-runtime v0.18.9
+replace k8s.io/component-base => k8s.io/component-base v0.21.0
 
-replace k8s.io/client-go => github.com/kmodules/k8s-client-go v0.18.10-0.20200922201634-73fedf3d677e
+replace k8s.io/kube-openapi => k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7
 
-replace k8s.io/component-base => k8s.io/component-base v0.18.9
+replace k8s.io/kubernetes => github.com/kmodules/kubernetes v1.22.0-alpha.0.0.20210427080452-22d2e66bae50
 
-replace k8s.io/kube-openapi => k8s.io/kube-openapi v0.0.0-20200410145947-61e04a5be9a6
+replace k8s.io/utils => k8s.io/utils v0.0.0-20201110183641-67b214c5f920
 
-replace k8s.io/kubernetes => github.com/kmodules/kubernetes v1.19.0-alpha.0.0.20200922200158-8b13196d8dc4
+replace kmodules.xyz/resource-metadata => kmodules.xyz/resource-metadata v0.5.0
 
-replace k8s.io/utils => k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89
+replace sigs.k8s.io/application => github.com/kmodules/application v0.8.4-0.20210427030912-90eeee3bc4ad