95 lines
2.5 KiB
Go
95 lines
2.5 KiB
Go
package communicator
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import (
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"fmt"
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"log"
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"github.com/hashicorp/packer/communicator/none"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
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gossh "golang.org/x/crypto/ssh"
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)
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// StepConnect is a multistep Step implementation that connects to
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// the proper communicator and stores it in the "communicator" key in the
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// state bag.
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type StepConnect struct {
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// Config is the communicator config struct
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Config *Config
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// Host should return a host that can be connected to for communicator
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// connections.
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Host func(multistep.StateBag) (string, error)
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// The fields below are callbacks to assist with connecting to SSH.
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//
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// SSHConfig should return the default configuration for
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// connecting via SSH.
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SSHConfig func(multistep.StateBag) (*gossh.ClientConfig, error)
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SSHPort func(multistep.StateBag) (int, error)
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// The fields below are callbacks to assist with connecting to WinRM.
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//
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// WinRMConfig should return the default configuration for
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// connecting via WinRM.
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WinRMConfig func(multistep.StateBag) (*WinRMConfig, error)
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WinRMPort func(multistep.StateBag) (int, error)
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// CustomConnect can be set to have custom connectors for specific
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// types. These take highest precedence so you can also override
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// existing types.
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CustomConnect map[string]multistep.Step
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substep multistep.Step
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}
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func (s *StepConnect) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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typeMap := map[string]multistep.Step{
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"none": nil,
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"ssh": &StepConnectSSH{
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Config: s.Config,
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Host: s.Host,
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SSHConfig: s.SSHConfig,
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SSHPort: s.SSHPort,
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},
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"winrm": &StepConnectWinRM{
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Config: s.Config,
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Host: s.Host,
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WinRMConfig: s.WinRMConfig,
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WinRMPort: s.WinRMPort,
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},
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}
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for k, v := range s.CustomConnect {
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typeMap[k] = v
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}
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step, ok := typeMap[s.Config.Type]
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if !ok {
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state.Put("error", fmt.Errorf("unknown communicator type: %s", s.Config.Type))
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return multistep.ActionHalt
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}
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if step == nil {
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comm, err := none.New("none")
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if err != nil {
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err := fmt.Errorf("Failed to set communicator 'none': %s", err)
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state.Put("error", err)
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ui := state.Get("ui").(packer.Ui)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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state.Put("communicator", comm)
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log.Printf("[INFO] communicator disabled, will not connect")
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return multistep.ActionContinue
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}
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s.substep = step
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return s.substep.Run(state)
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}
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func (s *StepConnect) Cleanup(state multistep.StateBag) {
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if s.substep != nil {
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s.substep.Cleanup(state)
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}
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}
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