(VB.NET) EC2 Stop Instances

See more Amazon EC2 Examples

Demonstrates how to send a request to stop Amazon EC2 instances.

For more information, see https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_StopInstances.html

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim rest As New Chilkat.Rest

' Connect to the Amazon AWS server.
' such as https://ec2.amazonaws.com/
Dim bTls As Boolean = True
Dim port As Integer = 443
Dim bAutoReconnect As Boolean = True
Dim success As Boolean = rest.Connect("ec2.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)

' Provide AWS credentials for the REST call.
Dim authAws As New Chilkat.AuthAws
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
' the region should match the region part of the domain passed to the REST connect method (above).
authAws.Region = "us-west-2"
authAws.ServiceName = "ec2"

rest.SetAuthAws(authAws)

rest.AddQueryParam("Action","StopInstances")
rest.AddQueryParam("Version","2016-11-15")
' If DryRun is true then checks whether you have the required permissions for the action, 
' without actually making the request, and provides an error response. If you have the required permissions, 
' the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.
' Omit the DryRun query parameter to actually start the instance.  (Or set DryRun equal to "false")
rest.AddQueryParam("DryRun","true")
rest.AddQueryParam("InstanceId.1","i-999719995399c9999")

' See EC2 Stop Instances Reference Documentation
' for more information about the Force and Hibernate query params, which are optional and true/false just like DryRun.

Dim responseXml As String = rest.FullRequestNoBody("GET","/")
If (rest.LastMethodSuccess <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


' A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
    Debug.WriteLine("response status code = " & rest.ResponseStatusCode)
    Debug.WriteLine("response status text = " & rest.ResponseStatusText)
    Debug.WriteLine("response header: " & rest.ResponseHeader)
    Debug.WriteLine("response body: " & responseXml)
    Exit Sub
End If


' Examine the successful XML response.
Dim xml As New Chilkat.Xml
xml.LoadXml(responseXml)
Debug.WriteLine(xml.GetXml())