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https://code.dumpstack.io/tools/appvm.git
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Generate appvm at start automatically if not exists
This commit is contained in:
parent
7e4aa33a0a
commit
04b2cf63ce
22
appvm.go
22
appvm.go
@ -196,9 +196,31 @@ func stupidProgressBar() {
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}
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}
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}
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}
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func fileExists(filename string) bool {
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info, err := os.Stat(filename)
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if os.IsNotExist(err) {
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return false
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}
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return !info.IsDir()
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}
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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 bool) {
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func start(l *libvirt.Libvirt, name string, verbose bool) {
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appvmPath := configDir
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appvmPath := configDir
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if !isAppvmConfigurationExists(appvmPath, name) {
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log.Println("No configuration exists for app, " +
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"trying to generate")
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err := generate(l, name, "", "")
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if err != nil {
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log.Println("Can't auto generate")
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return
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}
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}
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// Copy templates
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// Copy templates
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err := prepareTemplates(appvmPath)
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err := prepareTemplates(appvmPath)
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if err != nil {
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if err != nil {
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10
generate.go
10
generate.go
@ -71,7 +71,7 @@ func filterDotfiles(files []os.FileInfo) (notHiddenFiles []os.FileInfo) {
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return
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return
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}
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}
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func generate(l *libvirt.Libvirt, pkg, bin, vmname string) {
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func generate(l *libvirt.Libvirt, pkg, bin, vmname string) (err error) {
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var name string
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var name string
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if strings.Contains(pkg, ".") {
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if strings.Contains(pkg, ".") {
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@ -79,7 +79,8 @@ func generate(l *libvirt.Libvirt, pkg, bin, vmname string) {
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} else {
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} else {
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log.Println("Package name does not contains channel")
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log.Println("Package name does not contains channel")
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log.Println("Trying to guess")
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log.Println("Trying to guess")
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channel, err := guessChannel()
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var channel string
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channel, err = guessChannel()
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if err != nil {
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if err != nil {
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log.Println("Cannot guess channel")
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log.Println("Cannot guess channel")
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log.Println("Check nix-channel --list")
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log.Println("Check nix-channel --list")
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@ -91,7 +92,9 @@ func generate(l *libvirt.Libvirt, pkg, bin, vmname string) {
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}
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}
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if !isPackageExists(name) {
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if !isPackageExists(name) {
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log.Println("Package", name, "does not exists")
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s := "Package " + name + " does not exists"
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err = errors.New(s)
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log.Println(s)
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return
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return
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}
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}
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@ -177,4 +180,5 @@ func generate(l *libvirt.Libvirt, pkg, bin, vmname string) {
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fmt.Print(appNixConfig + "\n")
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fmt.Print(appNixConfig + "\n")
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log.Println("Configuration file is saved to", appFilename)
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log.Println("Configuration file is saved to", appFilename)
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return
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}
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}
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