58 lines
1.6 KiB
Go
58 lines
1.6 KiB
Go
//go:generate struct-markdown
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package common
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import (
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"errors"
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"time"
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"github.com/hashicorp/packer/helper/communicator"
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"github.com/hashicorp/packer/template/interpolate"
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)
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type SSHConfig struct {
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Comm communicator.Config `mapstructure:",squash"`
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// The minimum and
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// maximum port to use for the SSH port on the host machine which is forwarded
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// to the SSH port on the guest machine. Because Packer often runs in parallel,
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// Packer will choose a randomly available port in this range to use as the
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// host port. By default this is 2222 to 4444.
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SSHHostPortMin int `mapstructure:"ssh_host_port_min" required:"false"`
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SSHHostPortMax int `mapstructure:"ssh_host_port_max"`
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// Defaults to false. When enabled, Packer
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// does not setup forwarded port mapping for SSH requests and uses ssh_port
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// on the host to communicate to the virtual machine.
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SSHSkipNatMapping bool `mapstructure:"ssh_skip_nat_mapping" required:"false"`
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// These are deprecated, but we keep them around for BC
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// TODO(@mitchellh): remove
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SSHWaitTimeout time.Duration `mapstructure:"ssh_wait_timeout"`
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}
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func (c *SSHConfig) Prepare(ctx *interpolate.Context) []error {
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if c.Comm.SSHHost == "" {
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c.Comm.SSHHost = "127.0.0.1"
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}
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if c.SSHHostPortMin == 0 {
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c.SSHHostPortMin = 2222
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}
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if c.SSHHostPortMax == 0 {
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c.SSHHostPortMax = 4444
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}
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// TODO: backwards compatibility, write fixer instead
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if c.SSHWaitTimeout != 0 {
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c.Comm.SSHTimeout = c.SSHWaitTimeout
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}
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errs := c.Comm.Prepare(ctx)
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if c.SSHHostPortMin > c.SSHHostPortMax {
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errs = append(errs,
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errors.New("ssh_host_port_min must be less than ssh_host_port_max"))
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}
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return errs
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}
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