369 lines
11 KiB
Go
369 lines
11 KiB
Go
//go:generate struct-markdown
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package common
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import (
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"fmt"
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"path/filepath"
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"runtime"
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"strings"
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"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
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)
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type HWConfig struct {
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// The number of cpus to use when building the VM.
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CpuCount int `mapstructure:"cpus" required:"false"`
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// The amount of memory to use when building the VM in megabytes.
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MemorySize int `mapstructure:"memory" required:"false"`
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// The number of cores per socket to use when building the VM. This
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// corresponds to the cpuid.coresPerSocket option in the .vmx file.
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CoreCount int `mapstructure:"cores" required:"false"`
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// This is the network type that the virtual machine will be created with.
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// This can be one of the generic values that map to a device such as
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// hostonly, nat, or bridged. If the network is not one of these values,
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// then it is assumed to be a VMware network device. (VMnet0..x)
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Network string `mapstructure:"network" required:"false"`
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// This is the ethernet adapter type the the virtual machine will be
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// created with. By default the `e1000` network adapter type will be used
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// by Packer. For more information, please consult [Choosing a network
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// adapter for your virtual
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// machine](https://kb.vmware.com/s/article/1001805) for desktop VMware
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// clients. For ESXi, refer to the proper ESXi documentation.
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NetworkAdapterType string `mapstructure:"network_adapter_type" required:"false"`
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// The custom name of the network. Sets the vmx value "ethernet0.networkName"
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NetworkName string `mapstructure:"network_name" required:"false"`
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// Specify whether to enable VMware's virtual soundcard device when
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// building the VM. Defaults to false.
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Sound bool `mapstructure:"sound" required:"false"`
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// Enable VMware's USB bus when building the guest VM. Defaults to false.
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// To enable usage of the XHCI bus for USB 3 (5 Gbit/s), one can use the
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// vmx_data option to enable it by specifying true for the usb_xhci.present
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// property.
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USB bool `mapstructure:"usb" required:"false"`
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// This specifies a serial port to add to the VM. It has a format of
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// `Type:option1,option2,...`. The field `Type` can be one of the following
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// values: `FILE`, `DEVICE`, `PIPE`, `AUTO`, or `NONE`.
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//
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// * `FILE:path(,yield)` - Specifies the path to the local file to be used
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// as the serial port.
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//
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// * `yield` (bool) - This is an optional boolean that specifies
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// whether the vm should yield the cpu when polling the port. By
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// default, the builder will assume this as `FALSE`.
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//
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// * `DEVICE:path(,yield)` - Specifies the path to the local device to be
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// used as the serial port. If `path` is empty, then default to the first
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// serial port.
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//
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// * `yield` (bool) - This is an optional boolean that specifies
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// whether the vm should yield the cpu when polling the port. By
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// default, the builder will assume this as `FALSE`.
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//
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// * `PIPE:path,endpoint,host(,yield)` - Specifies to use the named-pipe
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// "path" as a serial port. This has a few options that determine how the
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// VM should use the named-pipe.
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//
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// * `endpoint` (string) - Chooses the type of the VM-end, which can be
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// either a `client` or `server`.
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//
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// * `host` (string) - Chooses the type of the host-end, which can
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// be either `app` (application) or `vm` (another virtual-machine).
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//
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// * `yield` (bool) - This is an optional boolean that specifies
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// whether the vm should yield the cpu when polling the port. By
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// default, the builder will assume this as `FALSE`.
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//
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// * `AUTO:(yield)` - Specifies to use auto-detection to determine the
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// serial port to use. This has one option to determine how the VM should
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// support the serial port.
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//
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// * `yield` (bool) - This is an optional boolean that specifies
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// whether the vm should yield the cpu when polling the port. By
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// default, the builder will assume this as `FALSE`.
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//
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// * `NONE` - Specifies to not use a serial port. (default)
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//
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Serial string `mapstructure:"serial" required:"false"`
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// This specifies a parallel port to add to the VM. It has the format of
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// `Type:option1,option2,...`. Type can be one of the following values:
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// `FILE`, `DEVICE`, `AUTO`, or `NONE`.
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//
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// * `FILE:path` - Specifies the path to the local file to be used
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// for the parallel port.
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//
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// * `DEVICE:path` - Specifies the path to the local device to be used
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// for the parallel port.
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//
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// * `AUTO:direction` - Specifies to use auto-detection to determine the
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// parallel port. Direction can be `BI` to specify bidirectional
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// communication or `UNI` to specify unidirectional communication.
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//
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// * `NONE` - Specifies to not use a parallel port. (default)
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Parallel string `mapstructure:"parallel" required:"false"`
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}
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func (c *HWConfig) Prepare(ctx *interpolate.Context) []error {
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var errs []error
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// Hardware and cpu options
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if c.CpuCount < 0 {
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errs = append(errs, fmt.Errorf("An invalid number of cpus was specified (cpus < 0): %d", c.CpuCount))
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}
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if c.MemorySize < 0 {
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errs = append(errs, fmt.Errorf("An invalid amount of memory was specified (memory < 0): %d", c.MemorySize))
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}
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// Hardware and cpu options
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if c.CoreCount < 0 {
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errs = append(errs, fmt.Errorf("An invalid number of cores was specified (cores < 0): %d", c.CoreCount))
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}
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// Peripherals
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if !c.Sound {
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c.Sound = false
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}
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if !c.USB {
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c.USB = false
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}
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if c.Parallel == "" {
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c.Parallel = "none"
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}
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if c.Serial == "" {
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c.Serial = "none"
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}
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return errs
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}
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/* parallel port */
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type ParallelUnion struct {
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Union interface{}
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File *ParallelPortFile
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Device *ParallelPortDevice
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Auto *ParallelPortAuto
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}
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type ParallelPortFile struct {
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Filename string
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}
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type ParallelPortDevice struct {
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Bidirectional string
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Devicename string
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}
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type ParallelPortAuto struct {
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Bidirectional string
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}
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func (c *HWConfig) HasParallel() bool {
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return c.Parallel != ""
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}
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func (c *HWConfig) ReadParallel() (*ParallelUnion, error) {
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input := strings.SplitN(c.Parallel, ":", 2)
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if len(input) < 1 {
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return nil, fmt.Errorf("Unexpected format for parallel port: %s", c.Parallel)
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}
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var formatType, formatOptions string
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formatType = input[0]
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if len(input) == 2 {
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formatOptions = input[1]
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} else {
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formatOptions = ""
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}
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switch strings.ToUpper(formatType) {
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case "FILE":
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res := &ParallelPortFile{Filename: filepath.FromSlash(formatOptions)}
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return &ParallelUnion{Union: res, File: res}, nil
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case "DEVICE":
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comp := strings.Split(formatOptions, ",")
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if len(comp) < 1 || len(comp) > 2 {
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return nil, fmt.Errorf("Unexpected format for parallel port: %s", c.Parallel)
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}
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res := new(ParallelPortDevice)
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res.Bidirectional = "FALSE"
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res.Devicename = filepath.FromSlash(comp[0])
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if len(comp) > 1 {
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switch strings.ToUpper(comp[1]) {
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case "BI":
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res.Bidirectional = "TRUE"
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case "UNI":
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res.Bidirectional = "FALSE"
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default:
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return nil, fmt.Errorf("Unknown direction %s specified for parallel port: %s", strings.ToUpper(comp[1]), c.Parallel)
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}
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}
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return &ParallelUnion{Union: res, Device: res}, nil
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case "AUTO":
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res := new(ParallelPortAuto)
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switch strings.ToUpper(formatOptions) {
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case "":
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fallthrough
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case "UNI":
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res.Bidirectional = "FALSE"
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case "BI":
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res.Bidirectional = "TRUE"
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default:
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return nil, fmt.Errorf("Unknown direction %s specified for parallel port: %s", strings.ToUpper(formatOptions), c.Parallel)
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}
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return &ParallelUnion{Union: res, Auto: res}, nil
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case "NONE":
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return &ParallelUnion{Union: nil}, nil
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}
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return nil, fmt.Errorf("Unexpected format for parallel port: %s", c.Parallel)
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}
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/* serial conversions */
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type SerialConfigPipe struct {
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Filename string
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Endpoint string
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Host string
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Yield string
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}
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type SerialConfigFile struct {
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Filename string
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Yield string
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}
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type SerialConfigDevice struct {
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Devicename string
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Yield string
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}
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type SerialConfigAuto struct {
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Devicename string
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Yield string
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}
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type SerialUnion struct {
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Union interface{}
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Pipe *SerialConfigPipe
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File *SerialConfigFile
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Device *SerialConfigDevice
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Auto *SerialConfigAuto
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}
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func (c *HWConfig) HasSerial() bool {
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return c.Serial != ""
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}
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func (c *HWConfig) ReadSerial() (*SerialUnion, error) {
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var defaultSerialPort string
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if runtime.GOOS == "windows" {
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defaultSerialPort = "COM1"
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} else {
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defaultSerialPort = "/dev/ttyS0"
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}
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input := strings.SplitN(c.Serial, ":", 2)
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if len(input) < 1 {
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return nil, fmt.Errorf("Unexpected format for serial port: %s", c.Serial)
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}
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var formatType, formatOptions string
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formatType = input[0]
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if len(input) == 2 {
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formatOptions = input[1]
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} else {
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formatOptions = ""
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}
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switch strings.ToUpper(formatType) {
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case "PIPE":
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comp := strings.Split(formatOptions, ",")
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if len(comp) < 3 || len(comp) > 4 {
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return nil, fmt.Errorf("Unexpected format for serial port pipe: %s", c.Serial)
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}
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if res := strings.ToLower(comp[1]); res != "client" && res != "server" {
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return nil, fmt.Errorf("Unexpected format for endpoint in serial port pipe: %s -> %s", c.Serial, res)
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}
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if res := strings.ToLower(comp[2]); res != "app" && res != "vm" {
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return nil, fmt.Errorf("Unexpected format for host in serial port pipe: %s -> %s", c.Serial, res)
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}
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res := &SerialConfigPipe{
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Filename: comp[0],
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Endpoint: comp[1],
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Host: map[string]string{"app": "TRUE", "vm": "FALSE"}[strings.ToLower(comp[2])],
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Yield: "FALSE",
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}
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if len(comp) == 4 {
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res.Yield = strings.ToUpper(comp[3])
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}
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if res.Yield != "TRUE" && res.Yield != "FALSE" {
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return nil, fmt.Errorf("Unexpected format for yield in serial port pipe: %s -> %s", c.Serial, res.Yield)
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}
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return &SerialUnion{Union: res, Pipe: res}, nil
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case "FILE":
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comp := strings.Split(formatOptions, ",")
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if len(comp) > 2 {
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return nil, fmt.Errorf("Unexpected format for serial port file: %s", c.Serial)
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}
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res := &SerialConfigFile{Yield: "FALSE"}
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res.Filename = filepath.FromSlash(comp[0])
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res.Yield = "FALSE"
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if len(comp) > 1 {
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res.Yield = strings.ToUpper(comp[1])
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}
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if res.Yield != "TRUE" && res.Yield != "FALSE" {
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return nil, fmt.Errorf("Unexpected format for yield in serial port file: %s -> %s", c.Serial, res.Yield)
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}
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return &SerialUnion{Union: res, File: res}, nil
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case "DEVICE":
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comp := strings.Split(formatOptions, ",")
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if len(comp) > 2 {
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return nil, fmt.Errorf("Unexpected format for serial port device: %s", c.Serial)
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}
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res := new(SerialConfigDevice)
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// set serial port defaults
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res.Devicename = defaultSerialPort
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res.Yield = "FALSE"
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// Read actual values from component, if set.
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if len(comp) == 1 {
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filepath.FromSlash(comp[0])
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} else if len(comp) == 2 {
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res.Devicename = filepath.FromSlash(comp[0])
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res.Yield = strings.ToUpper(comp[1])
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}
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if res.Yield != "TRUE" && res.Yield != "FALSE" {
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return nil, fmt.Errorf("Unexpected format for yield in serial port device: %s -> %s", c.Serial, res.Yield)
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}
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return &SerialUnion{Union: res, Device: res}, nil
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case "AUTO":
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res := new(SerialConfigAuto)
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res.Devicename = defaultSerialPort
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if len(formatOptions) > 0 {
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res.Yield = strings.ToUpper(formatOptions)
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} else {
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res.Yield = "FALSE"
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}
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if res.Yield != "TRUE" && res.Yield != "FALSE" {
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return nil, fmt.Errorf("Unexpected format for yield in serial port auto: %s -> %s", c.Serial, res.Yield)
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}
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return &SerialUnion{Union: res, Auto: res}, nil
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case "NONE":
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return &SerialUnion{Union: nil}, nil
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default:
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return nil, fmt.Errorf("Unknown serial type %s: %s", strings.ToUpper(formatType), c.Serial)
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}
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}
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