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✨ Introduce possibility to create clusterctl plugins #8957

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merged 2 commits into from
Jul 10, 2023
Merged

✨ Introduce possibility to create clusterctl plugins #8957

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340788b
Introduce possibility to create clusterctl plugins
alexander-demicev Jul 4, 2023
de26976
Document clusterctl plugins
alexander-demicev Jul 10, 2023
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36 changes: 36 additions & 0 deletions cmd/clusterctl/cmd/root.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ import (
"github.com/adrg/xdg"
"github.com/pkg/errors"
"github.com/spf13/cobra"
kubectlcmd "k8s.io/kubectl/pkg/cmd"

"sigs.k8s.io/cluster-api/cmd/clusterctl/client/config"
logf "sigs.k8s.io/cluster-api/cmd/clusterctl/log"
Expand Down Expand Up @@ -141,6 +142,8 @@ func init() {
RootCmd.SetCompletionCommandGroupID(groupOther)

cobra.OnInitialize(initConfig, registerCompletionFuncForCommonFlags)

handlePlugins()
}

func initConfig() {
Expand Down Expand Up @@ -181,6 +184,39 @@ func registerCompletionFuncForCommonFlags() {
})
}

func handlePlugins() {
args := os.Args
pluginHandler := kubectlcmd.NewDefaultPluginHandler([]string{"clusterctl"})
if len(args) > 1 {
cmdPathPieces := args[1:]

// only look for suitable extension executables if
// the specified command does not already exist
if _, _, err := RootCmd.Find(cmdPathPieces); err != nil {
// Also check the commands that will be added by Cobra.
// These commands are only added once rootCmd.Execute() is called, so we
// need to check them explicitly here.
var cmdName string // first "non-flag" arguments
for _, arg := range cmdPathPieces {
if !strings.HasPrefix(arg, "-") {
cmdName = arg
break
}
}

switch cmdName {
case "help", cobra.ShellCompRequestCmd, cobra.ShellCompNoDescRequestCmd:
// Don't search for a plugin
default:
if err := kubectlcmd.HandlePluginCommand(pluginHandler, cmdPathPieces, false); err != nil {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
}
}
}
}

const indentation = ` `

// LongDesc normalizes a command's long description to follow the conventions.
Expand Down
9 changes: 9 additions & 0 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -145,12 +145,21 @@ require (

require (
github.com/blang/semver/v4 v4.0.0 // indirect
github.com/daviddengcn/go-colortext v1.0.0 // indirect
github.com/emicklei/go-restful/v3 v3.9.0 // indirect
github.com/fatih/camelcase v1.0.0 // indirect
github.com/fvbommel/sortorder v1.0.1 // indirect
github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
github.com/google/gnostic v0.6.9 // indirect
github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 // indirect
github.com/jonboulle/clockwork v0.2.2 // indirect
github.com/lithammer/dedent v1.1.0 // indirect
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
github.com/pelletier/go-toml/v2 v2.0.8 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
golang.org/x/tools v0.9.3 // indirect
k8s.io/component-helpers v0.27.2 // indirect
k8s.io/metrics v0.27.2 // indirect
sigs.k8s.io/kustomize/kustomize/v5 v5.0.1 // indirect
)
22 changes: 22 additions & 0 deletions go.sum
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -120,6 +120,8 @@ github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/daviddengcn/go-colortext v1.0.0 h1:ANqDyC0ys6qCSvuEK7l3g5RaehL/Xck9EX8ATG8oKsE=
github.com/daviddengcn/go-colortext v1.0.0/go.mod h1:zDqEI5NVUop5QPpVJUxE9UO10hRnmkD5G4Pmri9+m4c=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
github.com/docker/distribution v2.8.2+incompatible h1:T3de5rq0dB1j30rp0sA2rER+m322EBzniBPB6ZIzuh8=
Expand All @@ -142,6 +144,8 @@ github.com/evanphx/json-patch/v5 v5.6.0 h1:b91NhWfaz02IuVxO9faSllyAtNXHMPkC5J8sJ
github.com/evanphx/json-patch/v5 v5.6.0/go.mod h1:G79N1coSVB93tBe7j6PhzjmR3/2VvlbKOFpnXhI9Bw4=
github.com/exponent-io/jsonpath v0.0.0-20151013193312-d6023ce2651d h1:105gxyaGwCFad8crR9dcMQWvV9Hvulu6hwUh4tWPJnM=
github.com/exponent-io/jsonpath v0.0.0-20151013193312-d6023ce2651d/go.mod h1:ZZMPRZwes7CROmyNKgQzC3XPs6L/G2EJLHddWejkmf4=
github.com/fatih/camelcase v1.0.0 h1:hxNvNX/xYBp0ovncs8WyWZrOrpBNub/JfaMvbURyft8=
github.com/fatih/camelcase v1.0.0/go.mod h1:yN2Sb0lFhZJUdVvtELVWefmrXpuZESvPmqwoZc+/fpc=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw=
Expand All @@ -155,6 +159,8 @@ github.com/frankban/quicktest v1.14.4 h1:g2rn0vABPOOXmZUj+vbmUp0lPoXEMuhTpIluN0X
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
github.com/fvbommel/sortorder v1.0.1 h1:dSnXLt4mJYH25uDDGa3biZNQsozaUWDSWeKJ0qqFfzE=
github.com/fvbommel/sortorder v1.0.1/go.mod h1:uk88iVf1ovNn1iLfgUVU2F9o5eO30ui720w+kxuqRs0=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/go-errors/errors v1.4.2 h1:J6MZopCL4uSllY1OfXM374weqZFFItUbrImctkmUxIA=
github.com/go-errors/errors v1.4.2/go.mod h1:sIVyrIiJhuEF+Pj9Ebtd6P/rEYROXFi3BopGUQ5a5Og=
Expand Down Expand Up @@ -219,6 +225,11 @@ github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaS
github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/golangplus/bytes v0.0.0-20160111154220-45c989fe5450/go.mod h1:Bk6SMAONeMXrxql8uvOKuAZSu8aM5RUGv+1C6IJaEho=
github.com/golangplus/bytes v1.0.0/go.mod h1:AdRaCFwmc/00ZzELMWb01soso6W1R/++O1XL80yAn+A=
github.com/golangplus/fmt v1.0.0/go.mod h1:zpM0OfbMCjPtd2qkTD/jX2MgiFCqklhSUFyDW44gVQE=
github.com/golangplus/testing v1.0.0 h1:+ZeeiKZENNOMkTTELoSySazi+XaEhVO0mb+eanrSEUQ=
github.com/golangplus/testing v1.0.0/go.mod h1:ZDreixUV3YzhoVraIDyOzHrr76p6NUh6k/pPg/Q3gYA=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/btree v1.0.1 h1:gK4Kx5IaGY9CD5sPJ36FHiBJ6ZXl0kilRiiCj+jdYp4=
Expand Down Expand Up @@ -313,6 +324,8 @@ github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLf
github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
github.com/jonboulle/clockwork v0.2.2 h1:UOGuzwb1PwsrDAObMuhUnj0p5ULPj8V/xJ7Kx9qUBdQ=
github.com/jonboulle/clockwork v0.2.2/go.mod h1:Pkfl5aHPm1nk2H9h0bjmnJD/BcgbGXUBGnn1kMkgxc8=
github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
Expand All @@ -338,6 +351,7 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
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=
github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
Expand Down Expand Up @@ -391,6 +405,8 @@ github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00/go.mod
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f h1:y5//uYreIhSUg3J1GEMiLbxo1LJaP8RfCpH6pymGZus=
github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw=
github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
Expand Down Expand Up @@ -957,12 +973,16 @@ k8s.io/cluster-bootstrap v0.27.2 h1:OL3onrOwrUD7NQxBUqQwTl1Uu2GQKCkw9BMHpc4PbiA=
k8s.io/cluster-bootstrap v0.27.2/go.mod h1:b++PF0mjUOiTKdPQFlDw7p4V2VquANZ8SfhAwzxZJFM=
k8s.io/component-base v0.27.2 h1:neju+7s/r5O4x4/txeUONNTS9r1HsPbyoPBAtHsDCpo=
k8s.io/component-base v0.27.2/go.mod h1:5UPk7EjfgrfgRIuDBFtsEFAe4DAvP3U+M8RTzoSJkpo=
k8s.io/component-helpers v0.27.2 h1:i9TgWJ6TH8lQ9x4ExHOwhVitrRpBOr7Wn8aZLbBWxkc=
k8s.io/component-helpers v0.27.2/go.mod h1:NwcpSKo1xzXtUtrUjj5NTSVWex84UPua/z0PYDcCzNo=
k8s.io/klog/v2 v2.90.1 h1:m4bYOKall2MmOiRaR1J+We67Do7vm9KiQVlT96lnHUw=
k8s.io/klog/v2 v2.90.1/go.mod h1:y1WjHnz7Dj687irZUWR/WLkLc5N1YHtjLdmgWjndZn0=
k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f h1:2kWPakN3i/k81b0gvD5C5FJ2kxm1WrQFanWchyKuqGg=
k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f/go.mod h1:byini6yhqGC14c3ebc/QwanvYwhuMWF6yz2F8uwW8eg=
k8s.io/kubectl v0.27.2 h1:sSBM2j94MHBFRWfHIWtEXWCicViQzZsb177rNsKBhZg=
k8s.io/kubectl v0.27.2/go.mod h1:GCOODtxPcrjh+EC611MqREkU8RjYBh10ldQCQ6zpFKw=
k8s.io/metrics v0.27.2 h1:TD6z3dhhN9bgg5YkbTh72bPiC1BsxipBLPBWyC3VQAU=
k8s.io/metrics v0.27.2/go.mod h1:v3OT7U0DBvoAzWVzGZWQhdV4qsRJWchzs/LeVN8bhW4=
k8s.io/utils v0.0.0-20230209194617-a36077c30491 h1:r0BAOLElQnnFhE/ApUsg3iHdVYYPBjNSSOMowRZxxsY=
k8s.io/utils v0.0.0-20230209194617-a36077c30491/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
Expand All @@ -974,6 +994,8 @@ sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMm
sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
sigs.k8s.io/kustomize/api v0.13.2 h1:kejWfLeJhUsTGioDoFNJET5LQe/ajzXhJGYoU+pJsiA=
sigs.k8s.io/kustomize/api v0.13.2/go.mod h1:DUp325VVMFVcQSq+ZxyDisA8wtldwHxLZbr1g94UHsw=
sigs.k8s.io/kustomize/kustomize/v5 v5.0.1 h1:HWXbyKDNwGqol+s/sMNr/vnfNME/EoMdEraP4ZkUQek=
sigs.k8s.io/kustomize/kustomize/v5 v5.0.1/go.mod h1:Q8o+soB41Pn1y26eXzG9cniuECDpTJe2eKOA1fENCU8=
sigs.k8s.io/kustomize/kyaml v0.14.1 h1:c8iibius7l24G2wVAGZn/Va2wNys03GXLjYVIcFVxKA=
sigs.k8s.io/kustomize/kyaml v0.14.1/go.mod h1:AN1/IpawKilWD7V+YvQwRGUvuUOOWpjsHu6uHwonSF4=
sigs.k8s.io/structured-merge-diff/v4 v4.2.3 h1:PRbqxJClWWYMNV1dhaG4NsibJbArud9kFxnAMREiWFE=
Expand Down