Xojo Plugin
Xojo Plugin
EC2 Check Instance Status
See more Amazon EC2 Examples
Demonstrates how to send a request to check the status of Amazon EC2 instances.Chilkat Xojo Plugin Downloads
Dim success As Boolean
success = False
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
Dim rest As New Chilkat.Rest
// Connect to the Amazon AWS server.
// such as https://ec2.amazonaws.com/
Dim bTls As Boolean
bTls = True
Dim port As Int32
port = 443
Dim bAutoReconnect As Boolean
bAutoReconnect = True
success = rest.Connect("ec2.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)
// Provide AWS credentials for the REST call.
Dim authAws As New Chilkat.AuthAws
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"
success = rest.SetAuthAws(authAws)
success = rest.AddQueryParam("Action","DescribeInstanceStatus")
success = rest.AddQueryParam("Version","2016-11-15")
success = rest.AddQueryParam("InstanceId.1","i-999719995399c9999")
// If you have additional instances to check, then add them with .2, .3, etc.
success = rest.AddQueryParam("InstanceId.2","i-999719995399c0000")
success = rest.AddQueryParam("InstanceId.3","i-999719995399c0111")
// ...
// Instead of checking specific instances, you can check all instances by
// sending the IncludeAllInstances param
success = rest.AddQueryParam("IncludeAllInstances","true")
Dim responseXml As String
responseXml = rest.FullRequestNoBody("GET","/")
If (rest.LastMethodSuccess <> True) Then
System.DebugLog(rest.LastErrorText)
Return
End If
// A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
System.DebugLog("response status code = " + Str(rest.ResponseStatusCode))
System.DebugLog("response status text = " + rest.ResponseStatusText)
System.DebugLog("response header: " + rest.ResponseHeader)
System.DebugLog("response body: " + responseXml)
Return
End If
// Examine the successful XML response.
Dim xml As New Chilkat.Xml
success = xml.LoadXml(responseXml)
System.DebugLog(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>