243 lines
7.2 KiB
Go
243 lines
7.2 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"net/url"
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"os"
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"reflect"
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"time"
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"github.com/vmware/govmomi"
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"github.com/vmware/govmomi/event"
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"github.com/vmware/govmomi/vim25/methods"
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"github.com/vmware/govmomi/vim25/types"
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)
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var c *govmomi.Client
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var ctx context.Context
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var cancel context.CancelFunc
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func exit(err error) {
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fmt.Fprintf(os.Stderr, "Error: %s\n", err)
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os.Exit(1)
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}
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func getEvents(eventTypes []string, begin time.Duration, end time.Duration) []types.Event {
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var returnEvents []types.Event
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// Refer https://github.com/vmware/govmomi/blob/main/examples/events/main.go
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now, err := methods.GetCurrentTime(ctx, c) // vCenter server time (UTC)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error getting vCenter time: %s\n", err)
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os.Exit(1)
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} else {
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fmt.Printf("vCenter time is '%v'\n", now)
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}
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m := event.NewManager(c.Client)
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root := c.ServiceContent.RootFolder
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// configure the event stream filter (begin of stream)
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filter := types.EventFilterSpec{
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EventTypeId: eventTypes, // only stream specific types, e.g. VmEvent
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Entity: &types.EventFilterSpecByEntity{
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Entity: root,
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Recursion: types.EventFilterSpecRecursionOptionAll,
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},
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Time: &types.EventFilterSpecByTime{
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BeginTime: types.NewTime(now.Add(begin * -1)),
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},
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}
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if end != 0 {
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filter.Time.EndTime = types.NewTime(now.Add(end * -1))
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}
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collector, err := m.CreateCollectorForEvents(ctx, filter)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error creating event collector: %s\n", err)
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os.Exit(1)
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}
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defer collector.Destroy(ctx)
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for {
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events, err := collector.ReadNextEvents(ctx, 100)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error reading events: %s\n", err)
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}
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if len(events) == 0 {
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break
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}
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for i := range events {
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event := events[i].GetEvent()
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returnEvents = append(returnEvents, *event)
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kind := reflect.TypeOf(events[i]).Elem().Name()
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fmt.Printf("%d [%s] [%s] %s\n", event.Key, event.CreatedTime.Format(time.ANSIC), kind, event.FullFormattedMessage)
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}
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}
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return returnEvents
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}
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func main() {
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// Command line flags for the vCenter connection
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vURL := flag.String("url", "", "The URL of a vCenter server, eg https://server.domain.example/sdk")
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vUser := flag.String("user", "", "The username to use when connecting to vCenter")
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vPass := flag.String("password", "", "The password to use when connecting to vCenter")
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vInsecure := flag.Bool("insecure", true, "Allow insecure connections to vCenter")
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begin := flag.Duration("b", time.Hour, "Begin time") // default BeginTime is 1h ago
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end := flag.Duration("e", 0, "End time")
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flag.Parse()
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u, err := url.Parse(*vURL)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error parsing url %s : %s\n", *vURL, err)
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os.Exit(1)
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}
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//fmt.Printf("Connecting to vCenter %s\n", u)
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u.User = url.UserPassword(*vUser, *vPass)
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ctx, cancel = context.WithCancel(context.Background())
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defer cancel()
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// Login to vcenter
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c, err = govmomi.NewClient(ctx, u, *vInsecure)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Logging in error: %s\n", err)
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os.Exit(1)
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}
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defer c.Logout(ctx)
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getEvents([]string{"com.vmware.vc.HA.DasHostFailedEvent"}, *begin, *end)
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// Selecting default datacenter
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/*
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finder := find.NewFinder(c.Client, true)
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dc, err := finder.DefaultDatacenter(ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error: %s\n", err)
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os.Exit(1)
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}
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//refs := []types.ManagedObjectReference{dc.Reference()}
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*/
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/*
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// Refer https://github.com/vmware/govmomi/blob/main/examples/events/main.go
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now, err := methods.GetCurrentTime(ctx, c) // vCenter server time (UTC)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error getting vCenter time: %s\n", err)
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os.Exit(1)
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}
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m := event.NewManager(c.Client)
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root := c.ServiceContent.RootFolder
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// configure the event stream filter (begin of stream)
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filter := types.EventFilterSpec{
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EventTypeId: []string{"com.vmware.vc.HA.DasHostFailedEvent"}, // only stream specific types, e.g. VmEvent
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Entity: &types.EventFilterSpecByEntity{
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Entity: root,
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Recursion: types.EventFilterSpecRecursionOptionAll,
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},
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Time: &types.EventFilterSpecByTime{
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BeginTime: types.NewTime(now.Add(*begin * -1)),
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},
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}
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if *end != 0 {
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filter.Time.EndTime = types.NewTime(now.Add(*end * -1))
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}
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collector, err := m.CreateCollectorForEvents(ctx, filter)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error creating event collector: %s\n", err)
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os.Exit(1)
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}
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defer collector.Destroy(ctx)
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for {
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events, err := collector.ReadNextEvents(ctx, 100)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error reading events: %s\n", err)
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}
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if len(events) == 0 {
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break
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}
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for i := range events {
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event := events[i].GetEvent()
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kind := reflect.TypeOf(events[i]).Elem().Name()
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fmt.Printf("%d [%s] [%s] %s\n", event.Key, event.CreatedTime.Format(time.ANSIC), kind, event.FullFormattedMessage)
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}
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}
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*/
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// **************
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// previous code here
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/*
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// Do a recursive search for all the ESXi hosts (which have a type of HostSystem)
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m := view.NewManager(c.Client)
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v, _ := m.CreateContainerView(ctx, c.ServiceContent.RootFolder, []string{"HostSystem"}, true)
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// Specify what properties we want to retrieve
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var hs []mo.HostSystem
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err = v.Retrieve(ctx, []string{"HostSystem"}, []string{"summary", "runtime"}, &hs)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: %s\n", err)
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os.Exit(1)
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}
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// Run the actual esxcli command on each host
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finder := find.NewFinder(c.Client)
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for _, host := range hs {
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//fmt.Printf("Host name %s is %s\n", host.Summary.Config.Name, host.Runtime.ConnectionState)
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// Make sure that the host is connected before we try running an esxcli command
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if host.Runtime.ConnectionState == "connected" {
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// Get a reference to the host object so that we can check the ramdisk values
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objRef, err := finder.ObjectReference(ctx, host.Reference())
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error getting reference to host : %s\n", err)
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continue
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}
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// Get the HostSystem object
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hs, ok := objRef.(*object.HostSystem)
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if !ok {
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fmt.Fprintf(os.Stderr, "Couldn't find Hostsytem : %s\n", host.Reference())
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continue
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}
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// Get a reference to the esxcli executor
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// https://gowalker.org/github.com/dhawalseth/govc-autocomplete/govc/host/esxcli
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// https://pkg.go.dev/github.com/vmware/govmomi/govc/host/esxcli
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// https://github.com/vmware/govmomi/blob/f4c5c4a58e445ba31393795c7e678fa05fb3452a/govc/host/esxcli/esxcli.go
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// https://golang.hotexamples.com/examples/github.com.vmware.govmomi.object/HostSystem/-/golang-hostsystem-class-examples.html
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// https://golang.hotexamples.com/examples/github.com.vmware.govmomi.govc.host.esxcli/-/GetFirewallInfo/golang-getfirewallinfo-function-examples.html
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e, err := esxcli.NewExecutor(c.Client, hs)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error getting esxcli executor: %s\n", err)
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continue
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}
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// Run the desired esxcli command
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result, err := e.Run([]string{"system", "visorfs", "ramdisk", "list"})
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error running esxcli command: %s\n", err)
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continue
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}
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// Print out all the values
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for _, values := range result.Values {
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fmt.Printf("%s;%s;%s\n", host.Summary.Config.Name, values["RamdiskName"][0], values["Free"][0])
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}
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}
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}
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*/
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}
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