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Lianja

EC2 Start Instances

See more Amazon EC2 Examples

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

Chilkat Lianja Downloads

Lianja
llSuccess = .F.

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

loRest = createobject("CkRest")

// Connect to the Amazon AWS server.
// such as https://ec2.amazonaws.com/
llBTls = .T.
lnPort = 443
llBAutoReconnect = .T.
llSuccess = loRest.Connect("ec2.us-west-2.amazonaws.com",lnPort,llBTls,llBAutoReconnect)

// Provide AWS credentials for the REST call.
loAuthAws = createobject("CkAuthAws")
loAuthAws.AccessKey = "AWS_ACCESS_KEY"
loAuthAws.SecretKey = "AWS_SECRET_KEY"
// the region should match the region part of the domain passed to the REST connect method (above).
loAuthAws.Region = "us-west-2"
loAuthAws.ServiceName = "ec2"

loRest.SetAuthAws(loAuthAws)

loRest.AddQueryParam("Action","StartInstances")
loRest.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")
loRest.AddQueryParam("DryRun","true")
loRest.AddQueryParam("InstanceId.1","i-999719995399c9999")

lcResponseXml = loRest.FullRequestNoBody("GET","/")
if (loRest.LastMethodSuccess <> .T.) then
    ? loRest.LastErrorText
    release loRest
    release loAuthAws
    return
endif

// A successful response will have a status code equal to 200.
if (loRest.ResponseStatusCode <> 200) then
    ? "response status code = " + str(loRest.ResponseStatusCode)
    ? "response status text = " + loRest.ResponseStatusText
    ? "response header: " + loRest.ResponseHeader
    ? "response body: " + lcResponseXml
    release loRest
    release loAuthAws
    return
endif

// Examine the successful XML response.
loXml = createobject("CkXml")
loXml.LoadXml(lcResponseXml)
? loXml.GetXml()


release loRest
release loAuthAws
release loXml