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feat(cmd/ssh/ssh): Add pure go SSH client using k0sproject/rig
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| package ssh | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "log" | ||
| "strings" | ||
|
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| "github.com/k0sproject/rig" | ||
| parent_cmd "github.com/sikalabs/slu/cmd/ssh" | ||
| "github.com/sirupsen/logrus" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
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| const DEFAULT_KEY_LENGTH = 2048 | ||
|
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| var FlagUseGo bool | ||
| var FlagECDSA bool | ||
|
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| var Cmd = &cobra.Command{ | ||
| Use: "ssh <user@host> <command> [args...]", | ||
| Short: "Connect to SSH server", | ||
| Args: cobra.MinimumNArgs(2), | ||
| Run: func(c *cobra.Command, args []string) { | ||
| user, host, err := parseSSHUserAndHost(args[0]) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| ssh(user, host, args[1:]) | ||
| }, | ||
| } | ||
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| func init() { | ||
| parent_cmd.Cmd.AddCommand(Cmd) | ||
| } | ||
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| func ssh(user, address string, args []string) { | ||
| logger := logrus.New() | ||
| rig.SetLogger(logger) | ||
|
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| conn := rig.Connection{ | ||
| SSH: &rig.SSH{ | ||
| User: user, | ||
| Address: address, | ||
| // PasswordCallback: func() (string, error) { | ||
| // return "password", nil | ||
| // }, | ||
| }, | ||
| } | ||
| if err := conn.Connect(); err != nil { | ||
| logger.Fatal(err) | ||
| } | ||
| defer conn.Disconnect() | ||
|
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| output, err := conn.ExecOutput(strings.Join(args, " ")) | ||
| if err != nil { | ||
| logger.Fatal(err) | ||
| } | ||
| fmt.Println(output) | ||
| } | ||
|
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| func parseSSHUserAndHost(sshString string) (user, host string, err error) { | ||
| parts := strings.Split(sshString, "@") | ||
| if len(parts) == 1 { | ||
| user = "root" | ||
| host = parts[0] | ||
| return | ||
| } | ||
| if len(parts) == 2 { | ||
| user = parts[0] | ||
| host = parts[1] | ||
| return | ||
| } | ||
|
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| err = fmt.Errorf("invalid SSH string format, must be host or user@host") | ||
| return | ||
| } |
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