(PowerBuilder) EC2 Check Instance Status

See more Amazon EC2 Examples

Demonstrates how to send a request to check the status of Amazon EC2 instances.

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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Rest
integer li_BTls
integer li_Port
integer li_BAutoReconnect
integer li_Success
oleobject loo_AuthAws
string ls_ResponseXml
oleobject loo_Xml

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

loo_Rest = create oleobject
// Use "Chilkat_9_5_0.Rest" for versions of Chilkat < 10.0.0
li_rc = loo_Rest.ConnectToNewObject("Chilkat.Rest")
if li_rc < 0 then
    destroy loo_Rest
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Connect to the Amazon AWS server.
// such as https://ec2.amazonaws.com/
li_BTls = 1
li_Port = 443
li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("ec2.us-west-2.amazonaws.com",li_Port,li_BTls,li_BAutoReconnect)

// Provide AWS credentials for the REST call.
loo_AuthAws = create oleobject
// Use "Chilkat_9_5_0.AuthAws" for versions of Chilkat < 10.0.0
li_rc = loo_AuthAws.ConnectToNewObject("Chilkat.AuthAws")

loo_AuthAws.AccessKey = "AWS_ACCESS_KEY"
loo_AuthAws.SecretKey = "AWS_SECRET_KEY"
// the region should match the region part of the domain passed to the REST connect method (above).
loo_AuthAws.Region = "us-west-2"
loo_AuthAws.ServiceName = "ec2"

loo_Rest.SetAuthAws(loo_AuthAws)

loo_Rest.AddQueryParam("Action","DescribeInstanceStatus")
loo_Rest.AddQueryParam("Version","2016-11-15")

loo_Rest.AddQueryParam("InstanceId.1","i-999719995399c9999")
// If you have additional instances to check, then add them with .2, .3, etc.
loo_Rest.AddQueryParam("InstanceId.2","i-999719995399c0000")
loo_Rest.AddQueryParam("InstanceId.3","i-999719995399c0111")
// ...

// Instead of checking specific instances, you can check all instances by 
// sending the IncludeAllInstances param
loo_Rest.AddQueryParam("IncludeAllInstances","true")

ls_ResponseXml = loo_Rest.FullRequestNoBody("GET","/")
if loo_Rest.LastMethodSuccess <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_AuthAws
    return
end if

// A successful response will have a status code equal to 200.
if loo_Rest.ResponseStatusCode <> 200 then
    Write-Debug "response status code = " + string(loo_Rest.ResponseStatusCode)
    Write-Debug "response status text = " + loo_Rest.ResponseStatusText
    Write-Debug "response header: " + loo_Rest.ResponseHeader
    Write-Debug "response body: " + ls_ResponseXml
    destroy loo_Rest
    destroy loo_AuthAws
    return
end if

// Examine the successful XML response.
loo_Xml = create oleobject
// Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
li_rc = loo_Xml.ConnectToNewObject("Chilkat.Xml")

loo_Xml.LoadXml(ls_ResponseXml)
Write-Debug loo_Xml.GetXml()

// Here is a sample response:

// Use this online tool to generate parsing code from sample XML: 
// Generate Parsing Code from XML

// <DescribeInstanceStatusResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
//     <requestId>3be1508e-c444-4fef-89cc-0b1223c4f02fEXAMPLE</requestId>
//     <instanceStatusSet>
//         <item>
//             <instanceId>i-1234567890abcdef0</instanceId>
//             <availabilityZone>us-east-1d</availabilityZone>
//             <instanceState>
//                 <code>16</code>
//                 <name>running</name>
//             </instanceState>
//             <systemStatus>
//                 <status>impaired</status>
//                 <details>
//                     <item>
//                         <name>reachability</name>
//                         <status>failed</status>
//                         <impairedSince>YYYY-MM-DDTHH:MM:SS.000Z</impairedSince>
//                     </item>
//                 </details>
//             </systemStatus>
//             <instanceStatus>
//                 <status>impaired</status>
//                 <details>
//                     <item>
//                         <name>reachability</name>
//                         <status>failed</status>
//                         <impairedSince>YYYY-MM-DDTHH:MM:SS.000Z</impairedSince>
//                     </item>
//                 </details>
//             </instanceStatus>
//             <eventsSet>
//               <item>
//                 <code>instance-retirement</code>
//                 <description>The instance is running on degraded hardware</description>
//                 <notBefore>YYYY-MM-DDTHH:MM:SS+0000</notBefore>
//                 <notAfter>YYYY-MM-DDTHH:MM:SS+0000</notAfter>
//               </item>
//             </eventsSet>
//         </item>
//         <item>
//             <instanceId>i-0598c7d356eba48d7</instanceId>
//             <availabilityZone>us-east-1d</availabilityZone>
//             <instanceState>
//                 <code>16</code>
//                 <name>running</name>
//             </instanceState>
//             <systemStatus>
//                 <status>ok</status>
//                 <details>
//                     <item>
//                         <name>reachability</name>
//                         <status>passed</status>
//                     </item>
//                 </details>
//             </systemStatus>
//             <instanceStatus>
//                 <status>ok</status>
//                 <details>
//                     <item>
//                         <name>reachability</name>
//                         <status>passed</status>
//                     </item>
//                 </details>
//             </instanceStatus>
//             <eventsSet>
//               <item>
//                 <code>instance-reboot</code>
//                 <description>The instance is scheduled for a reboot</description>
//                 <notBefore>YYYY-MM-DDTHH:MM:SS+0000</notBefore>
//                 <notAfter>YYYY-MM-DDTHH:MM:SS+0000</notAfter>
//               </item>
//             </eventsSet>
//         </item>
//         <item>
//             <instanceId>i-0987654321abcdef0</instanceId>
//             <availabilityZone>us-east-1d</availabilityZone>
//             <instanceState>
//                 <code>16</code>
//                 <name>running</name>
//             </instanceState>
//             <systemStatus>
//                 <status>ok</status>
//                 <details>
//                     <item>
//                         <name>reachability</name>
//                         <status>passed</status>
//                     </item>
//                 </details>
//             </systemStatus>
//             <instanceStatus>
//                 <status>ok</status>
//                 <details>
//                     <item>
//                         <name>reachability</name>
//                         <status>passed</status>
//                     </item>
//                 </details>
//             </instanceStatus>
//         </item>
//         <item>
//             <instanceId>i-0598c7d356eba48d8</instanceId>
//             <availabilityZone>us-east-1d</availabilityZone>
//             <instanceState>
//                 <code>16</code>
//                 <name>running</name>
//             </instanceState>
//             <systemStatus>
//                 <status>ok</status>
//                 <details>
//                     <item>
//                         <name>reachability</name>
//                         <status>passed</status>
//                     </item>
//                 </details>
//             </systemStatus>
//             <instanceStatus>
//                 <status>insufficient-data</status>
//                 <details>
//                     <item>
//                         <name>reachability</name>
//                         <status>insufficient-data</status>
//                     </item>
//                 </details>
//             </instanceStatus>
//          </item>
//     </instanceStatusSet>
// </DescribeInstanceStatusResponse>


destroy loo_Rest
destroy loo_AuthAws
destroy loo_Xml