Add subcommand join to yurtctl.

README.md

@@ -103,6 +103,11 @@ To uninstall OpenYurt and revert back to the original Kubernetes cluster setting
 _output/bin/yurtctl revert
 ```
 
+To join nodes to OpenYurt, you can run the following command:
+```bash
+_output/bin/yurtctl join
+```
+
 Please check [yurtctl tutorial](./docs/tutorial/yurtctl.md) for more details.
 
 ## Usage

docs/tutorial/yurtctl.md

@@ -216,6 +216,20 @@ Note that before performing the uninstall, please make sure all edge nodes are r
 In addition, the path of the kubelet service configuration can be set by the option `--kubeadm-conf-path`,
 and the path of the directory on edge node containing static pod files can be set by the option `--pod-manifest-path`.
 
+## Join Edge-Node/Cloud-Node to OpenYurt
+
+`yurtctl join` will automatically install the corresponding kubelet according to the cluster version, but the user needs to install the runtime in advance and ensure that the swap partition of the node has been closed.
+
+Using `yurtctl` to join an Edge-Node to OpenYurt cluster can be by doing the following:
+```
+$ _output/bin/yurtctl join 1.2.3.4:6443 --token=zffaj3.a5vjzf09qn9ft3gt --node-type=edge-node --discovery-token-unsafe-skip-ca-verification --v=5
+```
+
+Using `yurtctl` to join a Cloud-Node to OpenYurt cluster can be by doing the following:
+```
+$ _output/bin/yurtctl join 1.2.3.4:6443 --token=zffaj3.a5vjzf09qn9ft3gt --node-type=cloud-node --discovery-token-unsafe-skip-ca-verification --v=5
+```
+
 ## Subcommand
 ### Convert a Kubernetes node to Yurt edge node
 

go.mod

@@ -11,17 +11,22 @@ require (
 	github.com/go-openapi/spec v0.19.8 // indirect
 	github.com/google/uuid v1.1.1
 	github.com/gorilla/mux v1.7.4
+	github.com/lithammer/dedent v1.1.0
 	github.com/onsi/ginkgo v1.13.0
 	github.com/onsi/gomega v1.10.1
 	github.com/opencontainers/go-digest v1.0.0 // indirect
+	github.com/opencontainers/selinux v1.3.1-0.20190929122143-5215b1806f52
 	github.com/openyurtio/yurt-app-manager-api v0.18.8
+	github.com/pkg/errors v0.8.1
 	github.com/prometheus/client_golang v1.7.1
 	github.com/spf13/cobra v1.0.0
 	github.com/spf13/pflag v1.0.5
+	github.com/stretchr/testify v1.4.0
 	github.com/vishvananda/netlink v1.0.0
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d // indirect
 	golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 // indirect
 	google.golang.org/grpc v1.27.0
+	gopkg.in/cheggaaa/pb.v1 v1.0.25
 	gopkg.in/square/go-jose.v2 v2.5.1 // indirect
 	k8s.io/api v0.19.7
 	k8s.io/apimachinery v0.19.7

go.sum

@@ -26,6 +26,7 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
 github.com/GoogleCloudPlatform/k8s-cloud-provider v0.0.0-20190822182118-27a4ced34534/go.mod h1:iroGtC8B3tQiqtds1l+mgk/BBOrxbqjH+eUfFQYRc14=
 github.com/JeffAshton/win_pdh v0.0.0-20161109143554-76bb4ee9f0ab/go.mod h1:3VYc5hodBMJ5+l/7J4xAyMeuM2PNuepvHlGs8yilUCA=
 github.com/MakeNowJust/heredoc v0.0.0-20170808103936-bb23615498cd/go.mod h1:64YHyfSL2R96J44Nlwm39UHepQbyR5q10x7iYa1ks2E=
+github.com/Microsoft/go-winio v0.4.14 h1:+hMXMk01us9KgxGb7ftKQt2Xpf5hH/yky+TDA+qxleU=
 github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
 github.com/Microsoft/hcsshim v0.0.0-20190417211021-672e52e9209d/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg=
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@@ -71,6 +72,7 @@ github.com/blang/semver v3.5.0+incompatible h1:CGxCgetQ64DKk7rdZ++Vfnb1+ogGNnB17
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 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
+github.com/caddyserver/caddy v1.0.3 h1:i9gRhBgvc5ifchwWtSe7pDpsdS9+Q0Rw9oYQmYUTw1w=
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 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
@@ -89,6 +91,7 @@ github.com/containerd/console v0.0.0-20170925154832-84eeaae905fa/go.mod h1:Tj/on
 github.com/containerd/containerd v1.0.2/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtMXFTttgp+kVtyUA=
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+github.com/coredns/corefile-migration v1.0.6 h1:hB6vclp2g/KeXe9n1oz/PafgieUahsOYeHMQA+RJ4Hg=
 github.com/coredns/corefile-migration v1.0.6/go.mod h1:OFwBp/Wc9dJt5cAZzHWMNhK1r5L0p0jDwIBc6j8NC8E=
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 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
@@ -149,6 +152,7 @@ github.com/evanphx/json-patch v4.5.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLi
 github.com/exponent-io/jsonpath v0.0.0-20151013193312-d6023ce2651d/go.mod h1:ZZMPRZwes7CROmyNKgQzC3XPs6L/G2EJLHddWejkmf4=
 github.com/fatih/camelcase v1.0.0/go.mod h1:yN2Sb0lFhZJUdVvtELVWefmrXpuZESvPmqwoZc+/fpc=
 github.com/fatih/color v1.6.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
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@@ -334,6 +338,7 @@ github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
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 github.com/gostaticanalysis/analysisutil v0.0.3/go.mod h1:eEOZF4jCKGi+aprrirO9e7WKB3beBRtWgqGunKl6pKE=
+github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7 h1:pdN6V1QBWetyv/0+wjACpqVH+eVULgEjkurDLq3goeM=
 github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:FecbI9+v66THATjSRHfNgh1IVFe/9kFxbXtjV0ctIMA=
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 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
@@ -402,7 +407,9 @@ github.com/kubernetes/kubernetes v1.18.8 h1:wpG4RPPyuNRgQ/L8yEAHrsH1FKprqE8vPNLf
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 github.com/libopenstorage/openstorage v1.0.0/go.mod h1:Sp1sIObHjat1BeXhfMqLZ14wnOzEhNx2YQedreMcUyc=
+github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de h1:9TO3cAIGXtEhnIaL+V+BEER86oLrvS+kWobKpbJuye0=
 github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de/go.mod h1:zAbeS9B/r2mtpb6U+EI2rYA5OAXxsYw6wTamcNW+zcE=
+github.com/lithammer/dedent v1.1.0 h1:VNzHMVCBNG1j0fh3OrsFRkVUwStdDArbgBWoPAffktY=
 github.com/lithammer/dedent v1.1.0/go.mod h1:jrXYCQtgg0nJiN+StA2KgR7w6CiQNv9Fd/Z9BP0jIOc=
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 github.com/lpabon/godbc v0.1.1/go.mod h1:Jo9QV0cf3U6jZABgiJ2skINAXb9j8m51r07g4KI92ZA=
@@ -422,10 +429,13 @@ github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e/go.mod h1:C1wdFJiN
 github.com/mailru/easyjson v0.7.0 h1:aizVhC/NAAcKWb+5QsU1iNOZb4Yws5UO2I+aIprQITM=
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+github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4=
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+github.com/mattn/go-isatty v0.0.9 h1:d5US/mDsogSGW37IV293h//ZFaeajb69h+EHFsv2xGg=
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@@ -489,6 +499,7 @@ github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3I
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@@ -498,6 +509,7 @@ github.com/pborman/uuid v1.2.0 h1:J7Q5mO4ysT1dv8hyrUGHb9+ooztCXu1D8MY8DZYsu3g=
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+github.com/peterbourgon/diskv v2.0.1+incompatible h1:UBdAOUP5p4RWqPBg048CAvpKN+vxiaj6gdUUzhl4XmI=
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@@ -827,6 +839,7 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
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@@ -870,6 +883,7 @@ k8s.io/apimachinery v0.18.9-rc.0 h1:RnhcqZsTFI3l4z1iXNJhP0PrC4Gnrw5WlSjRhoRYifs=
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@@ -897,16 +911,19 @@ k8s.io/kube-aggregator v0.18.8/go.mod h1:CyLoGZB+io8eEwnn+6RbV7QWJQhj8a3TBH8ZM8s
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 k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
 k8s.io/utils v0.0.0-20200603063816-c1c6865ac451 h1:v8ud2Up6QK1lNOKFgiIVrZdMg7MpmSnvtrOieolJKoE=
@@ -924,6 +941,7 @@ sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.7 h1:uuHDyjllyzRyCI
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.7/go.mod h1:PHgbrJT7lCHcxMU+mDHEm+nx46H4zuuHZkDP6icnhu0=
 sigs.k8s.io/controller-runtime v0.5.7 h1:QcB8YQTyMshLLspHiqAkKHO74PgmUAUmTDhol4VccOw=
 sigs.k8s.io/controller-runtime v0.5.7/go.mod h1:KjjGQrdWFaSTHwB5A5VDmX9sMLlvkXjVazxVbfOI3a8=
+sigs.k8s.io/kustomize v2.0.3+incompatible h1:JUufWFNlI44MdtnjUqVnvh29rR37PQFzPbLXqhyOyX0=
 sigs.k8s.io/kustomize v2.0.3+incompatible/go.mod h1:MkjgH3RdOWrievjo6c9T245dYlB5QeXV4WCbnt/PEpU=
 sigs.k8s.io/structured-merge-diff/v3 v3.0.0-20200116222232-67a7b8c61874/go.mod h1:PlARxl6Hbt/+BC80dRLi1qAmnMqwqDg62YvvVkZjemw=
 sigs.k8s.io/structured-merge-diff/v3 v3.0.0 h1:dOmIZBMfhcHS09XZkMyUgkq5trg3/jRyJYFZUiaOp8E=

pkg/yurtctl/cmd/cmd.go

@@ -19,6 +19,7 @@ package cmd
 import (
 	goflag "flag"
 	"fmt"
+	"os"
 
 	"github.com/spf13/cobra"
 	flag "github.com/spf13/pflag"
@@ -27,6 +28,7 @@ import (
 	"github.com/openyurtio/openyurt/pkg/projectinfo"
 	"github.com/openyurtio/openyurt/pkg/yurtctl/cmd/clusterinfo"
 	"github.com/openyurtio/openyurt/pkg/yurtctl/cmd/convert"
+	"github.com/openyurtio/openyurt/pkg/yurtctl/cmd/join"
 	"github.com/openyurtio/openyurt/pkg/yurtctl/cmd/markautonomous"
 	"github.com/openyurtio/openyurt/pkg/yurtctl/cmd/revert"
 )
@@ -55,6 +57,7 @@ func NewYurtctlCommand() *cobra.Command {
 	cmds.AddCommand(revert.NewRevertCmd())
 	cmds.AddCommand(markautonomous.NewMarkAutonomousCmd())
 	cmds.AddCommand(clusterinfo.NewClusterInfoCmd())
+	cmds.AddCommand(join.NewCmdJoin(os.Stdout, nil))
 
 	klog.InitFlags(nil)
 	// goflag.Parse()

pkg/yurtctl/cmd/convert/edgenode.go

@@ -352,7 +352,7 @@ func (c *ConvertEdgeNodeOptions) ResetKubelet() error {
 	// 2. revise the kubelet.service drop-in
 	// 2.1 make a backup for the origin kubelet.service
 	bkfile := c.getKubeletSvcBackup()
-	err = enutil.CopyFile(c.KubeadmConfPath, bkfile)
+	err = enutil.CopyFile(c.KubeadmConfPath, bkfile, 0666)
 	if err != nil {
 		return err
 	}