diff --git a/go.mod b/go.mod index 9d952db..63e337a 100644 --- a/go.mod +++ b/go.mod @@ -2,4 +2,8 @@ module git.deuxfleurs.fr/quentin/nuage go 1.16 -require github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7 +require ( + github.com/pkg/sftp v1.13.3 + github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7 + golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 +) diff --git a/go.sum b/go.sum index 0a50fd5..4bdef32 100644 --- a/go.sum +++ b/go.sum @@ -1,7 +1,33 @@ +github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/dnaeon/go-vcr v1.0.1 h1:r8L/HqC0Hje5AXMu1ooW8oyQyOFv4GxqpL0nRP7SLLY= github.com/dnaeon/go-vcr v1.0.1/go.mod h1:aBB1+wY4s93YsC3HHjMBMrwTj2R9FHDzUr9KyGc8n1E= +github.com/kr/fs v0.1.0 h1:Jskdu9ieNAYnjxsi0LbQp1ulIKZV1LAFgK1tWhpZgl8= +github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg= +github.com/pkg/sftp v1.13.3 h1:XFSVAvRDGUhzAJ8Ll0APzHx3NTCAnMGaAsd3yi+Oc9k= +github.com/pkg/sftp v1.13.3/go.mod h1:LzqnAvaD5TWeNBsZpfKxSYn1MbjWwOsCIAFFJbpIsK8= +github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7 h1:Do8ksLD4Nr3pA0x0hnLOLftZgkiTDvwPDShRTUxtXpE= github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7/go.mod h1:CJJ5VAbozOl0yEw7nHB9+7BXTJbIn6h7W+f6Gau5IP8= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY= +github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4= +golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 h1:7I4JAnoQBe7ZtJcBaYHi5UtiO8tQHbUSXxL+pnGRANg= +golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= +golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4= +golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= +golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/main.go b/main.go index a8b9c26..2da8c6b 100644 --- a/main.go +++ b/main.go @@ -1,12 +1,17 @@ package main import ( + "bytes" "io" + "io/ioutil" "os" "fmt" "errors" "time" + "golang.org/x/crypto/ssh" + + "github.com/pkg/sftp" "github.com/scaleway/scaleway-sdk-go/scw" "github.com/scaleway/scaleway-sdk-go/api/instance/v1" ) @@ -134,8 +139,6 @@ func (i *action) getInstanceByName(zone scw.Zone, name string) (*instance.Server return nil, instanceNotFound } - - func parseIP(s *instance.Server) string { ip := "(no address)" if s.PublicIP != nil { @@ -175,7 +178,7 @@ func (sp *spawner) onInstance(zone, machine, image, name string) error { Name: name, CommercialType: machine, Image: image, - DynamicIPRequired: scw.BoolPtr(false), + DynamicIPRequired: scw.BoolPtr(true), }) if err != nil { return err @@ -247,6 +250,112 @@ func (dt *destroyer) onInstance(zone, machine, image, name string) error { return nil } +/** + * Runner + */ + +type runner struct { action } + +func (r *runner) onInstance(zone, machine, image, name string) error { + // Source script + if len(os.Args) < 3 { + return errors.New("Missing script to run on the command line") + } + + src, err := os.Open(os.Args[2]) + if err != nil { + return err + } + defer src.Close() + + // Connect to the remote + z, err := scw.ParseZone(zone) + if err != nil { + return err + } + + targetServer, err := r.getInstanceByName(z, name) + if err != nil { + return err + } + + if targetServer.PublicIP == nil { + return errors.New("run failed: this instance has no public ip.") + } + ip := targetServer.PublicIP.Address + + var hostKey ssh.PublicKey + key, err := ioutil.ReadFile(os.Getenv("HOME") + "/.ssh/id_rsa") + if err != nil { + return err + } + + signer, err := ssh.ParsePrivateKey(key) + if err != nil { + return err + } + + config := &ssh.ClientConfig{ + User: "root", + Auth: []ssh.AuthMethod{ + ssh.PublicKeys(signer), + }, + HostKeyCallback: ssh.FixedHostKey(hostKey), + } + + sshClient, err := ssh.Dial("tcp", ip.String()+":22", config) + if err != nil { + return err + } + defer sshClient.Close() + + // Send our script to the destination + sftpClient, err := sftp.NewClient(sshClient) + if err != nil { + return err + } + defer sftpClient.Close() + + dst, err := sftpClient.Create("/tmp/nuage") + if err != nil { + return err + } + defer dst.Close() + + err = dst.Chmod(0755) + if err != nil { + return err + } + + _, err = io.Copy(dst, src) + if err != nil { + return err + } + + // Run the script + session, err := sshClient.NewSession() + if err != nil { + return err + } + defer session.Close() + + var sshStdout, sshStderr bytes.Buffer + session.Stdout = &sshStdout + session.Stderr = &sshStderr + + err = session.Run("/tmp/nuage") + if os.Getenv("VERBOSE") != "" { + fmt.Fprintf(os.Stdout, "logs for %v\n", name) + io.Copy(os.Stdout, &sshStdout) + io.Copy(os.Stderr, &sshStderr) + } + if err != nil { + return err + } + + return nil +} + /** * Commands @@ -264,7 +373,14 @@ func spawn() error { } func run() error { - return nil + r := runner{} + err := r.init() + if err != nil { + return err + } + + err = passInstanceTo(os.Stdin, &r) + return err } func destroy() error {