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v3_ssh_command.go
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v3_ssh_command.go
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package v6
import (
"code.cloudfoundry.org/cli/actor/sharedaction"
"code.cloudfoundry.org/cli/actor/v3action"
"code.cloudfoundry.org/cli/command"
"code.cloudfoundry.org/cli/command/flag"
"code.cloudfoundry.org/cli/command/translatableerror"
"code.cloudfoundry.org/cli/command/v6/shared"
"code.cloudfoundry.org/cli/util/clissh"
)
//go:generate counterfeiter . SSHActor
type SSHActor interface {
ExecuteSecureShell(sshClient sharedaction.SecureShellClient, sshOptions sharedaction.SSHOptions) error
}
//go:generate counterfeiter . V3SSHActor
type V3SSHActor interface {
GetSecureShellConfigurationByApplicationNameSpaceProcessTypeAndIndex(appName string, spaceGUID string, processType string, processIndex uint) (v3action.SSHAuthentication, v3action.Warnings, error)
}
type V3SSHCommand struct {
RequiredArgs flag.AppName `positional-args:"yes"`
ProcessIndex uint `long:"app-instance-index" short:"i" default:"0" description:"App process instance index"`
Commands []string `long:"command" short:"c" description:"Command to run"`
DisablePseudoTTY bool `long:"disable-pseudo-tty" short:"T" description:"Disable pseudo-tty allocation"`
ForcePseudoTTY bool `long:"force-pseudo-tty" description:"Force pseudo-tty allocation"`
LocalPortForwardSpecs []flag.SSHPortForwarding `short:"L" description:"Local port forward specification"`
ProcessType string `long:"process" default:"web" description:"App process name"`
RequestPseudoTTY bool `long:"request-pseudo-tty" short:"t" description:"Request pseudo-tty allocation"`
SkipHostValidation bool `long:"skip-host-validation" short:"k" description:"Skip host key validation. Not recommended!"`
SkipRemoteExecution bool `long:"skip-remote-execution" short:"N" description:"Do not execute a remote command"`
usage interface{} `usage:"CF_NAME v3-ssh APP_NAME [--process PROCESS] [-i INDEX] [-c COMMAND]\n [-L [BIND_ADDRESS:]LOCAL_PORT:REMOTE_HOST:REMOTE_PORT]... [--skip-remote-execution]\n [--disable-pseudo-tty | --force-pseudo-tty | --request-pseudo-tty] [--skip-host-validation]"`
relatedCommands interface{} `related_commands:"allow-space-ssh, enable-ssh, space-ssh-allowed, ssh-code, ssh-enabled"`
allproxy interface{} `environmentName:"all_proxy" environmentDescription:"Specify a proxy server to enable proxying for all requests"`
UI command.UI
Config command.Config
SharedActor command.SharedActor
Actor V3SSHActor
SSHActor SSHActor
SSHClient *clissh.SecureShell
}
func (cmd *V3SSHCommand) Setup(config command.Config, ui command.UI) error {
cmd.UI = ui
cmd.Config = config
sharedActor := sharedaction.NewActor(config)
cmd.SharedActor = sharedActor
cmd.SSHActor = sharedActor
ccClient, uaaClient, err := shared.NewV3BasedClients(config, ui, true, "")
if err != nil {
return err
}
cmd.Actor = v3action.NewActor(ccClient, config, sharedActor, uaaClient)
cmd.SSHClient = clissh.NewDefaultSecureShell()
return nil
}
func (cmd V3SSHCommand) Execute(args []string) error {
cmd.UI.DisplayWarning(command.ExperimentalWarning)
err := cmd.SharedActor.CheckTarget(true, true)
if err != nil {
return err
}
ttyOption, err := cmd.EvaluateTTYOption()
if err != nil {
return err
}
var forwardSpecs []sharedaction.LocalPortForward
for _, spec := range cmd.LocalPortForwardSpecs {
forwardSpecs = append(forwardSpecs, sharedaction.LocalPortForward(spec))
}
sshAuth, warnings, err := cmd.Actor.GetSecureShellConfigurationByApplicationNameSpaceProcessTypeAndIndex(
cmd.RequiredArgs.AppName,
cmd.Config.TargetedSpace().GUID,
cmd.ProcessType,
cmd.ProcessIndex,
)
cmd.UI.DisplayWarnings(warnings)
if err != nil {
return err
}
err = cmd.SSHActor.ExecuteSecureShell(
cmd.SSHClient,
sharedaction.SSHOptions{
Commands: cmd.Commands,
Endpoint: sshAuth.Endpoint,
HostKeyFingerprint: sshAuth.HostKeyFingerprint,
LocalPortForwardSpecs: forwardSpecs,
Passcode: sshAuth.Passcode,
SkipHostValidation: cmd.SkipHostValidation,
SkipRemoteExecution: cmd.SkipRemoteExecution,
TTYOption: ttyOption,
Username: sshAuth.Username,
})
if err != nil {
return err
}
return nil
}
func (cmd V3SSHCommand) parseForwardSpecs() ([]sharedaction.LocalPortForward, error) {
return nil, nil
}
// EvaluateTTYOption determines which TTY options are mutually exclusive and
// returns an error accordingly.
func (cmd V3SSHCommand) EvaluateTTYOption() (sharedaction.TTYOption, error) {
var count int
option := sharedaction.RequestTTYAuto
if cmd.DisablePseudoTTY {
option = sharedaction.RequestTTYNo
count++
}
if cmd.ForcePseudoTTY {
option = sharedaction.RequestTTYForce
count++
}
if cmd.RequestPseudoTTY {
option = sharedaction.RequestTTYYes
count++
}
if count > 1 {
return option, translatableerror.ArgumentCombinationError{Args: []string{
"--disable-pseudo-tty", "-T", "--force-pseudo-tty", "--request-pseudo-tty", "-t",
}}
}
return option, nil
}