example for crowdmob/goamz

gistfile1.go

package main

import (
  "github.com/crowdmob/goamz/aws"
  "github.com/crowdmob/goamz/ec2"
  "text/template"
  "os"
  "fmt"
)

func main() {
  auth, err := aws.EnvAuth()
  if err != nil {
    panic(err)
  }

  e := ec2.New(auth, aws.APNortheast)

  const TableHeader = `
<table>
  <thead>
    <tr>
      <th>
        Instance id
      </th>
      <th>
        Instance Type
      </th>
      <th>
        Availabilty Zone
      </th>
      <th>
        State
      </th>
      <th>
        IP Address
      </th>
      <th>
        DNS Name
      </th>
      <th>
        LaunchTime
      </th>
    </tr>
  </thead>
  <tbody>
`
  const TableFooter = `
  </tbody>
</table>
`

  const InstanceLists = `
{{range .}}
  <tr>
    <td>
      {{.InstanceId}}
    </td>
    <td>
      {{.InstanceType}}
    </td>
    <td>
      {{.AvailabilityZone}}
    </td>
    <td>
      {{.State.Name}}
    </td>
    <td>
      {{.IPAddress}}
    </td>
    <td>
      {{.DNSName}}
    </td>
    <td>
      {{.LaunchTime}}
    </td>
  </tr>
{{end}}
`

  t := template.Must(template.New("InstanceList").Parse(InstanceLists))

  fmt.Printf(TableHeader)
  result, _ := e.DescribeInstances(nil, nil)
  for _, reservation := range result.Reservations {
    t.Execute(os.Stdout, reservation.Instances)
  }
  fmt.Printf(TableFooterr)
}