Multi-cluster initial skeleton. (#2316)

Components added: CRD definitions, controllers, manifest.

Signed-off-by: Su Wang <[email protected]>

go.mod

@@ -24,13 +24,15 @@ require (
 	github.com/gogo/protobuf v1.3.2
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e
 	github.com/golang/mock v1.6.0
-	github.com/golang/protobuf v1.5.0
+	github.com/golang/protobuf v1.5.2
 	github.com/google/uuid v1.1.2
 	github.com/hashicorp/memberlist v0.2.4
 	github.com/k8snetworkplumbingwg/sriov-cni v2.1.0+incompatible
 	github.com/kevinburke/ssh_config v0.0.0-20190725054713-01f96b0aa0cd
 	github.com/miekg/dns v1.1.43
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822
+	github.com/onsi/ginkgo v1.16.4
+	github.com/onsi/gomega v1.13.0
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.11.0
 	github.com/prometheus/common v0.26.0
@@ -50,27 +52,36 @@ require (
 	golang.org/x/net v0.0.0-20210504132125-bbd867fde50d
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40
-	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba
+	golang.org/x/time v0.0.0-20210611083556-38a9dc6acbc6
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20210506160403-92e472f520a5
 	google.golang.org/grpc v1.27.1
 	google.golang.org/protobuf v1.27.1
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0
 	gopkg.in/yaml.v2 v2.4.0
-	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/component-base v0.21.0
+	k8s.io/api v0.21.2
+	k8s.io/apiextensions-apiserver v0.21.2
+	k8s.io/apimachinery v0.21.2
+	k8s.io/apiserver v0.21.2
+	k8s.io/client-go v0.21.2
+	k8s.io/component-base v0.21.2
 	k8s.io/klog/v2 v2.8.0
 	k8s.io/kube-aggregator v0.21.0
 	k8s.io/kube-openapi v0.0.0-20210305164622-f622666832c1
 	k8s.io/kubectl v0.21.0
 	k8s.io/kubelet v0.21.0
-	k8s.io/utils v0.0.0-20210305010621-2afb4311ab10
+	k8s.io/utils v0.0.0-20210527160623-6fdb442a123b
+	sigs.k8s.io/controller-runtime v0.9.1
+	sigs.k8s.io/mcs-api v0.1.0
 )
 
 require (
+	cloud.google.com/go v0.54.0 // indirect
+	github.com/Azure/go-autorest v14.2.0+incompatible // indirect
+	github.com/Azure/go-autorest/autorest v0.11.12 // indirect
+	github.com/Azure/go-autorest/autorest/adal v0.9.5 // indirect
+	github.com/Azure/go-autorest/autorest/date v0.3.0 // indirect
+	github.com/Azure/go-autorest/logger v0.2.0 // indirect
+	github.com/Azure/go-autorest/tracing v0.6.0 // indirect
 	github.com/NYTimes/gziphandler v1.1.1 // indirect
 	github.com/PuerkitoBio/purell v1.1.1 // indirect
 	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
@@ -85,24 +96,27 @@ require (
 	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/emicklei/go-restful v2.9.5+incompatible // indirect
-	github.com/evanphx/json-patch v4.9.0+incompatible // indirect
+	github.com/evanphx/json-patch v4.11.0+incompatible // indirect
 	github.com/fatih/color v1.10.0 // indirect
+	github.com/form3tech-oss/jwt-go v3.2.2+incompatible // indirect
+	github.com/fsnotify/fsnotify v1.4.9 // indirect
 	github.com/go-logr/logr v0.4.0 // indirect
+	github.com/go-logr/zapr v0.4.0 // indirect
 	github.com/go-openapi/jsonpointer v0.19.3 // indirect
 	github.com/go-openapi/jsonreference v0.19.3 // indirect
 	github.com/go-openapi/swag v0.19.5 // indirect
 	github.com/google/btree v1.0.0 // indirect
 	github.com/google/go-cmp v0.5.5 // indirect
 	github.com/google/gofuzz v1.1.0 // indirect
-	github.com/googleapis/gnostic v0.4.1 // indirect
+	github.com/googleapis/gnostic v0.5.5 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
 	github.com/hashicorp/errwrap v1.0.0 // indirect
 	github.com/hashicorp/go-immutable-radix v1.0.0 // indirect
 	github.com/hashicorp/go-msgpack v0.5.3 // indirect
 	github.com/hashicorp/go-multierror v1.0.0 // indirect
 	github.com/hashicorp/go-sockaddr v1.0.0 // indirect
-	github.com/hashicorp/golang-lru v0.5.1 // indirect
-	github.com/imdario/mergo v0.3.5 // indirect
+	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/josharian/native v0.0.0-20200817173448-b6b71def0850 // indirect
 	github.com/json-iterator/go v1.1.11 // indirect
@@ -117,6 +131,7 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
+	github.com/nxadm/tail v1.4.8 // indirect
 	github.com/pion/dtls/v2 v2.0.3 // indirect
 	github.com/pion/logging v0.2.2 // indirect
 	github.com/pion/transport v0.10.1 // indirect
@@ -131,19 +146,25 @@ require (
 	github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae // indirect
 	go.etcd.io/etcd v0.5.0-alpha.5.0.20200910180754-dd1b699fc489 // indirect
 	go.opencensus.io v0.22.3 // indirect
-	go.uber.org/atomic v1.4.0 // indirect
-	go.uber.org/multierr v1.1.0 // indirect
-	go.uber.org/zap v1.10.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	go.uber.org/zap v1.17.0 // indirect
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d // indirect
 	golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d // indirect
 	golang.org/x/text v0.3.6 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	golang.zx2c4.com/wireguard v0.0.0-20210427022245-097af6e1351b // indirect
-	google.golang.org/appengine v1.6.5 // indirect
+	gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20201110150050-8816d57aaa9a // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
-	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.15 // indirect
+	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.19 // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.1.0 // indirect
 	sigs.k8s.io/yaml v1.2.0 // indirect
 )
+
+// Newer version of github.com/googleapis/gnostic make use of newer gopkg.in/yaml(v3), which conflicts with
+// explicit imports of gopkg.in/yaml.v2.
+replace github.com/googleapis/gnostic v0.5.5 => github.com/googleapis/gnostic v0.4.1