Container Manager Interface

container/kvm/libvirt.go

 // Copyright 2013 Canonical Ltd.
 // Licensed under the AGPLv3, see LICENCE file for details.
 
 package kvm
 
 // This file contains wrappers around the following executables:
 //   uvt-simplestreams-libvirt
 //   uvt-kvm
 //   virsh
 // Those executables are found in the following packages:
@@ skipping 105 matching lines @@
 
 // AutostartMachine indicates that the virtual machines should automatically
 // restart when the host restarts.
 func AutostartMachine(hostname string) error {
         _, err := run("virsh", "autostart", hostname)
         return err
 }
 
 // ListMachines returns a map of machine name to state, where state is one of:
 // running, idle, paused, shutdown, shut off, crashed, dying, pmsuspended.
-func ListMachines() (map[string]string, error) {
+func ListMachines() (map[string]KvmState, error) {
         output, err := run("virsh", "-q", "list", "--all")
         if err != nil {
                 return nil, err
         }
         // Split the output into lines.
         // Regex matching is the easiest way to match the lines.
         //   id hostname status
         // separated by whitespace, with whitespace at the start too.
-        result := make(map[string]string)
+        result := make(map[string]KvmState)
         for _, s := range machineListPattern.FindAllStringSubmatchIndex(output, -1) {
                 hostnameAndStatus := machineListPattern.ExpandString(nil, "$hostname $status", output, s)
                 parts := strings.SplitN(string(hostnameAndStatus), " ", 2)
-                result[parts[0]] = parts[1]
+                result[parts[0]] = KvmState(parts[1])
         }
         return result, nil
 }