// SetString sets the guestinfo.KEY with the string VALUE
func (c *Config) SetString(key string, value string) error {
_, _, err := rpcout.SendOne("info-set guestinfo.%s %s", key, value)
if err != nil {
return err
}
return nil
}
// Fork triggers vmfork and handles the necessary pre/post OS level operations
func (t *BaseOperations) Fork() error {
// unload vmxnet3 module
// fork
out, ok, err := rpcout.SendOne("vmfork-begin -1 -1")
if err != nil {
detail := fmt.Sprintf("error while calling vmfork: err=%s, out=%s, ok=%t", err, out, ok)
log.Error(detail)
return errors.New(detail)
}
if !ok {
detail := fmt.Sprintf("failed to vmfork: %s", out)
log.Error(detail)
return errors.New(detail)
}
log.Infof("vmfork call succeeded: %s", out)
// update system time
// rescan scsi bus
// reload vmxnet3 module
// ensure memory and cores are brought online if not using udev
return nil
}
// String returns the config string in the guestinfo.* namespace
func (c *Config) String(key string, defaultValue string) (string, error) {
out, ok, err := rpcout.SendOne("info-get guestinfo.%s", key)
if err != nil {
return "", err
} else if !ok {
return defaultValue, nil
}
return string(out), nil
}
// SetString sets the guestinfo.KEY with the string VALUE
func (c *Config) SetString(key string, value string) error {
// add "guestinfo." prefix if missing
if !strings.HasPrefix(key, prefix) {
key = fmt.Sprintf("%s.%s", prefix, key)
}
_, _, err := rpcout.SendOne("info-set %s %s", key, value)
if err != nil {
return err
}
return nil
}
// String returns the config string in the guestinfo.* namespace
func (c *Config) String(key string, defaultValue string) (string, error) {
// add "guestinfo." prefix if missing
if !strings.HasPrefix(key, prefix) {
key = fmt.Sprintf("%s.%s", prefix, key)
}
out, ok, err := rpcout.SendOne("info-get %s", key)
if err != nil {
return "", err
} else if !ok {
return defaultValue, nil
}
return string(out), nil
}
func main() {
if version.Show() {
fmt.Fprintf(os.Stdout, "%s\n", version.String())
return
}
if !vmcheck.IsVirtualWorld() {
log.Fatalf("ERROR: not in a virtual world.")
}
if !set && !get && !fork {
flag.Usage()
}
config := rpcvmx.NewConfig()
if set {
if flag.NArg() != 2 {
log.Fatalf("ERROR: Please provide guestinfo key / value pair (eg; -set foo bar")
}
if err := config.SetString(flag.Arg(0), flag.Arg(1)); err != nil {
log.Fatalf("ERROR: SetString failed with %s", err)
}
}
if get {
if flag.NArg() != 1 {
log.Fatalf("ERROR: Please provide guestinfo key (eg; -get foo)")
}
if out, err := config.String(flag.Arg(0), ""); err != nil {
log.Fatalf("ERROR: String failed with %s", err)
} else {
fmt.Printf("%s\n", out)
}
}
if fork {
out, ok, err := rpcout.SendOne("vmfork-begin -1 -1")
if err != nil {
log.Fatalf("ERROR: %s | %s | %t", err, out, ok)
} else if !ok {
log.Fatalf("FAILED: %s", out)
} else {
fmt.Printf("%s\n", out)
}
}
}