73 lines
2.6 KiB
Go
73 lines
2.6 KiB
Go
//go:generate struct-markdown
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package qemu
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import (
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"errors"
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"github.com/hashicorp/packer-plugin-sdk/communicator"
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"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
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)
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type CommConfig struct {
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Comm communicator.Config `mapstructure:",squash"`
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// The minimum port to use for the Communicator port on the host machine which is forwarded
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// to the SSH or WinRM port on the guest machine. By default this is 2222.
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HostPortMin int `mapstructure:"host_port_min" required:"false"`
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// The maximum port to use for the Communicator port on the host machine which is forwarded
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// to the SSH or WinRM 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 4444.
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HostPortMax int `mapstructure:"host_port_max" required:"false"`
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// Defaults to false. When enabled, Packer
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// does not setup forwarded port mapping for communicator (SSH or WinRM) requests and uses ssh_port or winrm_port
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// on the host to communicate to the virtual machine.
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SkipNatMapping bool `mapstructure:"skip_nat_mapping" required:"false"`
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// These are deprecated, but we keep them around for backwards compatibility
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// TODO: remove later
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SSHHostPortMin int `mapstructure:"ssh_host_port_min" required:"false"`
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// TODO: remove later
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SSHHostPortMax int `mapstructure:"ssh_host_port_max"`
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}
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func (c *CommConfig) Prepare(ctx *interpolate.Context) (warnings []string, errs []error) {
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// Backwards compatibility
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if c.SSHHostPortMin != 0 {
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warnings = append(warnings, "ssh_host_port_min is deprecated and is being replaced by host_port_min. "+
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"Please, update your template to use host_port_min. In future versions of Packer, inclusion of ssh_host_port_min will error your builds.")
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c.HostPortMin = c.SSHHostPortMin
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}
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// Backwards compatibility
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if c.SSHHostPortMax != 0 {
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warnings = append(warnings, "ssh_host_port_max is deprecated and is being replaced by host_port_max. "+
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"Please, update your template to use host_port_max. In future versions of Packer, inclusion of ssh_host_port_max will error your builds.")
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c.HostPortMax = c.SSHHostPortMax
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}
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if c.Comm.SSHHost == "" && c.SkipNatMapping {
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c.Comm.SSHHost = "127.0.0.1"
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}
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if c.HostPortMin == 0 {
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c.HostPortMin = 2222
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}
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if c.HostPortMax == 0 {
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c.HostPortMax = 4444
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}
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errs = c.Comm.Prepare(ctx)
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if c.HostPortMin > c.HostPortMax {
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errs = append(errs,
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errors.New("host_port_min must be less than host_port_max"))
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}
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if c.HostPortMin < 0 {
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errs = append(errs, errors.New("host_port_min must be positive"))
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}
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return
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}
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