WIP SSH
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parent
d8b28b5205
commit
a8b9a43c02
3 changed files with 151 additions and 5 deletions
6
go.mod
6
go.mod
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@ -2,4 +2,8 @@ module git.deuxfleurs.fr/quentin/nuage
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go 1.16
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require github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7
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require (
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github.com/pkg/sftp v1.13.3
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github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7
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golang.org/x/crypto v0.0.0-20210921155107-089bfa567519
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)
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26
go.sum
26
go.sum
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@ -1,7 +1,33 @@
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github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/dnaeon/go-vcr v1.0.1 h1:r8L/HqC0Hje5AXMu1ooW8oyQyOFv4GxqpL0nRP7SLLY=
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github.com/dnaeon/go-vcr v1.0.1/go.mod h1:aBB1+wY4s93YsC3HHjMBMrwTj2R9FHDzUr9KyGc8n1E=
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github.com/kr/fs v0.1.0 h1:Jskdu9ieNAYnjxsi0LbQp1ulIKZV1LAFgK1tWhpZgl8=
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github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
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github.com/pkg/sftp v1.13.3 h1:XFSVAvRDGUhzAJ8Ll0APzHx3NTCAnMGaAsd3yi+Oc9k=
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github.com/pkg/sftp v1.13.3/go.mod h1:LzqnAvaD5TWeNBsZpfKxSYn1MbjWwOsCIAFFJbpIsK8=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7 h1:Do8ksLD4Nr3pA0x0hnLOLftZgkiTDvwPDShRTUxtXpE=
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github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7/go.mod h1:CJJ5VAbozOl0yEw7nHB9+7BXTJbIn6h7W+f6Gau5IP8=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
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github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
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golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 h1:7I4JAnoQBe7ZtJcBaYHi5UtiO8tQHbUSXxL+pnGRANg=
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golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4=
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golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
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golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
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gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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124
main.go
124
main.go
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@ -1,12 +1,17 @@
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package main
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import (
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"bytes"
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"io"
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"io/ioutil"
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"os"
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"fmt"
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"errors"
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"time"
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"golang.org/x/crypto/ssh"
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"github.com/pkg/sftp"
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"github.com/scaleway/scaleway-sdk-go/scw"
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"github.com/scaleway/scaleway-sdk-go/api/instance/v1"
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)
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@ -134,8 +139,6 @@ func (i *action) getInstanceByName(zone scw.Zone, name string) (*instance.Server
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return nil, instanceNotFound
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}
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func parseIP(s *instance.Server) string {
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ip := "(no address)"
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if s.PublicIP != nil {
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@ -175,7 +178,7 @@ func (sp *spawner) onInstance(zone, machine, image, name string) error {
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Name: name,
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CommercialType: machine,
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Image: image,
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DynamicIPRequired: scw.BoolPtr(false),
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DynamicIPRequired: scw.BoolPtr(true),
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})
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if err != nil {
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return err
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@ -247,6 +250,112 @@ func (dt *destroyer) onInstance(zone, machine, image, name string) error {
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return nil
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}
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/**
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* Runner
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*/
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type runner struct { action }
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func (r *runner) onInstance(zone, machine, image, name string) error {
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// Source script
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if len(os.Args) < 3 {
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return errors.New("Missing script to run on the command line")
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}
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src, err := os.Open(os.Args[2])
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if err != nil {
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return err
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}
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defer src.Close()
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// Connect to the remote
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z, err := scw.ParseZone(zone)
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if err != nil {
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return err
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}
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targetServer, err := r.getInstanceByName(z, name)
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if err != nil {
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return err
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}
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if targetServer.PublicIP == nil {
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return errors.New("run failed: this instance has no public ip.")
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}
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ip := targetServer.PublicIP.Address
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var hostKey ssh.PublicKey
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key, err := ioutil.ReadFile(os.Getenv("HOME") + "/.ssh/id_rsa")
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if err != nil {
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return err
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}
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signer, err := ssh.ParsePrivateKey(key)
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if err != nil {
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return err
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}
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config := &ssh.ClientConfig{
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User: "root",
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Auth: []ssh.AuthMethod{
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ssh.PublicKeys(signer),
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},
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HostKeyCallback: ssh.FixedHostKey(hostKey),
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}
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sshClient, err := ssh.Dial("tcp", ip.String()+":22", config)
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if err != nil {
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return err
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}
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defer sshClient.Close()
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// Send our script to the destination
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sftpClient, err := sftp.NewClient(sshClient)
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if err != nil {
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return err
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}
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defer sftpClient.Close()
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dst, err := sftpClient.Create("/tmp/nuage")
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if err != nil {
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return err
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}
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defer dst.Close()
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err = dst.Chmod(0755)
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if err != nil {
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return err
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}
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_, err = io.Copy(dst, src)
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if err != nil {
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return err
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}
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// Run the script
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session, err := sshClient.NewSession()
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if err != nil {
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return err
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}
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defer session.Close()
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var sshStdout, sshStderr bytes.Buffer
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session.Stdout = &sshStdout
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session.Stderr = &sshStderr
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err = session.Run("/tmp/nuage")
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if os.Getenv("VERBOSE") != "" {
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fmt.Fprintf(os.Stdout, "logs for %v\n", name)
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io.Copy(os.Stdout, &sshStdout)
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io.Copy(os.Stderr, &sshStderr)
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}
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if err != nil {
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return err
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}
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return nil
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}
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/**
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* Commands
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@ -264,7 +373,14 @@ func spawn() error {
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}
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func run() error {
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return nil
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r := runner{}
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err := r.init()
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if err != nil {
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return err
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}
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err = passInstanceTo(os.Stdin, &r)
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return err
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}
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func destroy() error {
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