http server has moved to common step

This commit is contained in:
Taliesin Sisson 2016-01-25 22:43:40 +00:00
parent de447779f8
commit fb098fcbf0
3 changed files with 3 additions and 97 deletions

View File

@ -1,7 +1,6 @@
package common
import (
"errors"
"fmt"
"github.com/mitchellh/packer/template/interpolate"
"time"
@ -11,10 +10,6 @@ type RunConfig struct {
Headless bool `mapstructure:"headless"`
RawBootWait string `mapstructure:"boot_wait"`
HTTPDir string `mapstructure:"http_directory"`
HTTPPortMin uint `mapstructure:"http_port_min"`
HTTPPortMax uint `mapstructure:"http_port_max"`
BootWait time.Duration ``
}
@ -23,14 +18,6 @@ func (c *RunConfig) Prepare(ctx *interpolate.Context) []error {
c.RawBootWait = "10s"
}
if c.HTTPPortMin == 0 {
c.HTTPPortMin = 8000
}
if c.HTTPPortMax == 0 {
c.HTTPPortMax = 9000
}
var errs []error
var err error
@ -42,10 +29,5 @@ func (c *RunConfig) Prepare(ctx *interpolate.Context) []error {
}
}
if c.HTTPPortMin > c.HTTPPortMax {
errs = append(errs,
errors.New("http_port_min must be less than http_port_max"))
}
return errs
}

View File

@ -1,78 +0,0 @@
package common
import (
"fmt"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
"log"
"math/rand"
"net"
"net/http"
)
// This step creates and runs the HTTP server that is serving files from the
// directory specified by the 'http_directory` configuration parameter in the
// template.
//
// Uses:
// ui packer.Ui
//
// Produces:
// http_port int - The port the HTTP server started on.
type StepHTTPServer struct {
HTTPDir string
HTTPPortMin uint
HTTPPortMax uint
l net.Listener
}
func (s *StepHTTPServer) Run(state multistep.StateBag) multistep.StepAction {
ui := state.Get("ui").(packer.Ui)
var httpPort uint = 0
if s.HTTPDir == "" {
state.Put("http_port", httpPort)
return multistep.ActionContinue
}
// Find an available TCP port for our HTTP server
var httpAddr string
portRange := int(s.HTTPPortMax - s.HTTPPortMin)
for {
var err error
var offset uint = 0
if portRange > 0 {
// Intn will panic if portRange == 0, so we do a check.
offset = uint(rand.Intn(portRange))
}
httpPort = offset + s.HTTPPortMin
httpAddr = fmt.Sprintf("0.0.0.0:%d", httpPort)
log.Printf("Trying port: %d", httpPort)
s.l, err = net.Listen("tcp", httpAddr)
if err == nil {
break
}
}
ui.Say(fmt.Sprintf("Starting HTTP server on port %d", httpPort))
// Start the HTTP server and run it in the background
fileServer := http.FileServer(http.Dir(s.HTTPDir))
server := &http.Server{Addr: httpAddr, Handler: fileServer}
go server.Serve(s.l)
// Save the address into the state so it can be accessed in the future
state.Put("http_port", httpPort)
return multistep.ActionContinue
}
func (s *StepHTTPServer) Cleanup(multistep.StateBag) {
if s.l != nil {
// Close the listener so that the HTTP server stops
s.l.Close()
}
}

View File

@ -46,6 +46,7 @@ type Builder struct {
type Config struct {
common.PackerConfig `mapstructure:",squash"`
common.HTTPConfig `mapstructure:",squash"`
hypervcommon.FloppyConfig `mapstructure:",squash"`
hypervcommon.OutputConfig `mapstructure:",squash"`
hypervcommon.SSHConfig `mapstructure:",squash"`
@ -141,6 +142,7 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
// Accumulate any errors and warnings
var errs *packer.MultiError
errs = packer.MultiErrorAppend(errs, b.config.FloppyConfig.Prepare(&b.config.ctx)...)
errs = packer.MultiErrorAppend(errs, b.config.HTTPConfig.Prepare(&b.config.ctx)...)
errs = packer.MultiErrorAppend(errs, b.config.RunConfig.Prepare(&b.config.ctx)...)
errs = packer.MultiErrorAppend(errs, b.config.OutputConfig.Prepare(&b.config.ctx, &b.config.PackerConfig)...)
errs = packer.MultiErrorAppend(errs, b.config.SSHConfig.Prepare(&b.config.ctx)...)
@ -348,7 +350,7 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
&common.StepCreateFloppy{
Files: b.config.FloppyFiles,
},
&hypervcommon.StepHTTPServer{
&common.StepHTTPServer{
HTTPDir: b.config.HTTPDir,
HTTPPortMin: b.config.HTTPPortMin,
HTTPPortMax: b.config.HTTPPortMax,