PowerBuilder
PowerBuilder
EC2 Check Instance Status
See more Amazon EC2 Examples
Demonstrates how to send a request to check the status of Amazon EC2 instances.Chilkat PowerBuilder Downloads
integer li_rc
integer li_Success
oleobject loo_Rest
integer li_BTls
integer li_Port
integer li_BAutoReconnect
oleobject loo_AuthAws
string ls_ResponseXml
oleobject loo_Xml
li_Success = 0
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
loo_Rest = create oleobject
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
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
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