Adds an example of traversing a Datacenter and printing some informat…

…ion about the VMs on it.

vim/examples/get_all_vms_example.go

@@ -0,0 +1,120 @@
+package main
+
+import (
+	"fmt"
+	"github.com/cloudescape/govsphere/vim"
+	"io/ioutil"
+	"log"
+)
+
+type EntityProcessor func(*vim.ManagedEntity)
+
+func FolderTraverser(folder *vim.Folder, targetEntity string, processor EntityProcessor) {
+	children, err := folder.ChildEntity()
+
+	if err != nil {
+		fmt.Printf("--> Error occurred while getting children entities for folder: %#v\n", err)
+	} else {
+
+		for _, child := range children {
+
+			if child.Type == targetEntity {
+				processor(child)
+			} else if child.Type == "Folder" {
+
+				folder := &vim.Folder{
+					ManagedEntity: child,
+				}
+
+				FolderTraverser(folder, targetEntity, processor)
+
+			} else {
+				continue
+			}
+
+		}
+
+	}
+
+	return
+}
+
+func ProcessVm(entity *vim.ManagedEntity) {
+
+	vm := &vim.VirtualMachine{
+		ManagedEntity: entity,
+	}
+
+	summary, err := vm.Summary()
+
+	if err != nil {
+		fmt.Printf("--> Encountered an error while getting VM summary: %#v <--\n", err)
+		return
+	}
+
+	fmt.Printf("Name       : %s\n", summary.Config.Name)
+	fmt.Printf("Path       : %s\n", summary.Config.VmPathName)
+	fmt.Printf("Guest      : %s\n", summary.Config.GuestFullName)
+	fmt.Printf("Annotation : %s\n", summary.Config.Annotation)
+	fmt.Printf("State      : %s\n", *summary.Runtime.PowerState)
+
+	if summary.Guest != nil {
+		ip := summary.Guest.IpAddress
+		fmt.Printf("IP         : %s\n", ip)
+	}
+
+	if summary.Runtime.Question != nil {
+		fmt.Printf("Question   : %s\n", summary.Runtime.Question.Text)
+	}
+
+	fmt.Printf("\n")
+}
+
+func main() {
+
+	//disable logging.
+	log.SetOutput(ioutil.Discard)
+
+	session := vim.NewVSphereSession("https://myhost.com/sdk", "myusername", "mypassword", true)
+
+	content, err := session.ServiceInstance.Content()
+
+	if err != nil {
+		fmt.Printf("--> Encountered an error getting content from ServiceInstance: %#v <--\n", err)
+		panic(err)
+	}
+
+	children, err := content.RootFolder.ChildEntity()
+
+	if err != nil {
+		fmt.Printf("--> Encountered an error getting childEntity from vmFolder: %#v <--\n", err)
+		panic(err)
+	}
+
+	for _, child := range children {
+
+		if child.Type == "Datacenter" {
+
+			datacenter := &vim.Datacenter{
+				ManagedEntity: child,
+			}
+
+			vmfolder, err := datacenter.VmFolder()
+			if err != nil {
+				fmt.Printf("--> Encountered an error getting vmFolder from datacenter: %#v <--\n", err)
+				panic(err)
+			}
+
+			FolderTraverser(vmfolder, "VirtualMachine", ProcessVm)
+		}
+	}
+
+	err = session.ServiceContent.SessionManager.Logout()
+
+	if err != nil {
+		fmt.Printf("--> Unable to logout! Error: %#v <--\n", err)
+		panic(err)
+	}
+
+	fmt.Println("Done!")
+}