mirror of
https://code.dumpstack.io/tools/appvm.git
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Add --network switch to select a networking model (#22)
This commit is contained in:
parent
e588479701
commit
ba80fba648
39
appvm.go
39
appvm.go
@ -31,6 +31,15 @@ import (
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kingpin "gopkg.in/alecthomas/kingpin.v2"
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)
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type networkModel int
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const (
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networkOffline networkModel = iota
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networkQemu networkModel = iota
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networkLibvirt networkModel = iota
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)
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func list(l *libvirt.Libvirt) {
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domains, err := l.Domains()
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if err != nil {
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@ -173,14 +182,14 @@ func isRunning(l *libvirt.Libvirt, name string) bool {
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func generateAppVM(l *libvirt.Libvirt,
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nixName, vmName, appvmPath, sharedDir string,
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verbose, online, gui bool) (err error) {
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verbose bool, network networkModel, gui bool) (err error) {
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realpath, reginfo, qcow2, err := generateVM(appvmPath, nixName, verbose)
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if err != nil {
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return
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}
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xml := generateXML(vmName, online, gui, realpath, reginfo, qcow2, sharedDir)
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xml := generateXML(vmName, network, gui, realpath, reginfo, qcow2, sharedDir)
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_, err = l.DomainCreateXML(xml, libvirt.DomainStartValidate)
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return
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}
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@ -209,8 +218,8 @@ func isAppvmConfigurationExists(appvmPath, name string) bool {
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return fileExists(appvmPath + "/nix/" + name + ".nix")
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}
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func start(l *libvirt.Libvirt, name string, verbose, online, gui, stateless bool,
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args, open string) {
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func start(l *libvirt.Libvirt, name string, verbose bool, network networkModel,
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gui, stateless bool, args, open string) {
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appvmPath := configDir
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@ -267,7 +276,7 @@ func start(l *libvirt.Libvirt, name string, verbose, online, gui, stateless bool
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}
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err := generateAppVM(l, name, vmName, appvmPath, sharedDir,
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verbose, online, gui)
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verbose, network, gui)
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if err != nil {
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log.Fatal(err)
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}
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@ -415,6 +424,22 @@ func cleanupStatelessVMs(l *libvirt.Libvirt) {
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}
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}
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func parseNetworkModel(flagOffline bool, flagNetworking string) networkModel {
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if flagNetworking != "" && flagOffline {
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log.Fatal("Can't use both --network and --offline switches")
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}
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if flagOffline || flagNetworking == "offline" {
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return networkOffline
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}
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if flagNetworking == "libvirt" {
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return networkLibvirt
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}
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if flagNetworking == "qemu" {
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return networkQemu
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}
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return networkQemu // qemu is the default network model
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}
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var configDir = os.Getenv("HOME") + "/.config/appvm/"
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var appvmHomesDir = os.Getenv("HOME") + "/appvm/"
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@ -454,6 +479,7 @@ func main() {
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startOffline := startCommand.Flag("offline", "Disconnect").Bool()
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startCli := startCommand.Flag("cli", "Disable graphics mode, enable serial").Bool()
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startStateless := startCommand.Flag("stateless", "Do not use default state directory").Bool()
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startNetwork := startCommand.Flag("network", "Used networking model").Enum("offline", "qemu", "libvirt")
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stopName := kingpin.Command("stop", "Stop application").Arg("name", "Application name").Required().String()
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dropName := kingpin.Command("drop", "Remove application data").Arg("name", "Application name").Required().String()
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@ -498,8 +524,9 @@ func main() {
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generate(*generateName, *generateBin, *generateVMName,
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*generateBuildVM)
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case "start":
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networkModel := parseNetworkModel(*startOffline, *startNetwork)
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start(l, *startName,
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!*startQuiet, !*startOffline, !*startCli, *startStateless,
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!*startQuiet, networkModel, !*startCli, *startStateless,
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*startArgs, *startOpen)
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case "stop":
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stop(l, *stopName)
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44
xml.go
44
xml.go
@ -5,7 +5,7 @@ import "fmt"
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// You may think that you want to rewrite to proper golang structures.
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// Believe me, you shouldn't.
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func generateXML(vmName string, online, gui bool,
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func generateXML(vmName string, network networkModel, gui bool,
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vmNixPath, reginfo, img, sharedDir string) string {
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devices := ""
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@ -14,28 +14,40 @@ func generateXML(vmName string, online, gui bool,
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devices = guiDevices
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}
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qemuParams := `
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<qemu:commandline>
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<qemu:arg value='-device'/>
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<qemu:arg value='e1000,netdev=net0'/>
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<qemu:arg value='-netdev'/>
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<qemu:arg value='user,id=net0'/>
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<qemu:arg value='-snapshot'/>
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</qemu:commandline>
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`
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qemuParams := qemuParamsDefault
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if !online {
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qemuParams = `
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<qemu:commandline>
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<qemu:arg value='-snapshot'/>
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</qemu:commandline>
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`
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if network == networkQemu {
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qemuParams = qemuParamsWithNetwork
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} else if network == networkLibvirt {
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devices += netDevices
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}
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return fmt.Sprintf(xmlTmpl, vmName, vmNixPath, vmNixPath, vmNixPath,
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reginfo, img, sharedDir, sharedDir, sharedDir, devices, qemuParams)
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}
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var qemuParamsDefault = `
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<qemu:commandline>
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<qemu:arg value='-snapshot'/>
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</qemu:commandline>
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`
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var qemuParamsWithNetwork = `
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<qemu:commandline>
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<qemu:arg value='-device'/>
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<qemu:arg value='e1000,netdev=net0'/>
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<qemu:arg value='-netdev'/>
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<qemu:arg value='user,id=net0'/>
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<qemu:arg value='-snapshot'/>
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</qemu:commandline>
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`
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var netDevices = `
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<interface type='network'>
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<source network='default'/>
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</interface>
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`
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var guiDevices = `
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<!-- Graphical console -->
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<graphics type='spice' autoport='yes'>
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