Swift

EC2 Stop Instances

See more Amazon EC2 Examples

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

func chilkatTest() {
    var success: Bool = false

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

    let rest = CkoRest()!

    // Connect to the Amazon AWS server.
    // such as https://ec2.amazonaws.com/
    var bTls: Bool = true
    var port: Int = 443
    var bAutoReconnect: Bool = true
    success = rest.connect(hostname: "ec2.us-west-2.amazonaws.com", port: port, tls: bTls, autoReconnect: bAutoReconnect)

    // Provide AWS credentials for the REST call.
    let authAws = CkoAuthAws()!
    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(authProvider: authAws)

    rest.addQueryParam(name: "Action", value: "StopInstances")
    rest.addQueryParam(name: "Version", value: "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(name: "DryRun", value: "true")
    rest.addQueryParam(name: "InstanceId.1", value: "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.

    var responseXml: String? = rest.fullRequestNoBody(httpVerb: "GET", uriPath: "/")
    if rest.lastMethodSuccess != true {
        print("\(rest.lastErrorText!)")
        return
    }

    // A successful response will have a status code equal to 200.
    if rest.responseStatusCode.intValue != 200 {
        print("response status code = \(rest.responseStatusCode.intValue)")
        print("response status text = \(rest.responseStatusText!)")
        print("response header: \(rest.responseHeader!)")
        print("response body: \(responseXml!)")
        return
    }

    // Examine the successful XML response.
    let xml = CkoXml()!
    xml.load(xmlData: responseXml)
    print("\(xml.getXml()!)")

}