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EC2 Check Instance Status

See more Amazon EC2 Examples

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

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Local $bSuccess = False

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

$oRest = ObjCreate("Chilkat.Rest")

; Connect to the Amazon AWS server.
; such as https://ec2.amazonaws.com/
Local $bTls = True
Local $iPort = 443
Local $bAutoReconnect = True
$bSuccess = $oRest.Connect("ec2.us-west-2.amazonaws.com",$iPort,$bTls,$bAutoReconnect)

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

$oRest.SetAuthAws($oAuthAws)

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

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

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

Local $sResponseXml = $oRest.FullRequestNoBody("GET","/")
If ($oRest.LastMethodSuccess <> True) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

; A successful response will have a status code equal to 200.
If ($oRest.ResponseStatusCode <> 200) Then
    ConsoleWrite("response status code = " & $oRest.ResponseStatusCode & @CRLF)
    ConsoleWrite("response status text = " & $oRest.ResponseStatusText & @CRLF)
    ConsoleWrite("response header: " & $oRest.ResponseHeader & @CRLF)
    ConsoleWrite("response body: " & $sResponseXml & @CRLF)
    Exit
EndIf

; Examine the successful XML response.
$oXml = ObjCreate("Chilkat.Xml")
$oXml.LoadXml($sResponseXml)
ConsoleWrite($oXml.GetXml() & @CRLF)

; 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>