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(Visual FoxPro) EC2 Check Instance StatusSee more Amazon EC2 ExamplesDemonstrates 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
LOCAL loRest LOCAL lnBTls LOCAL lnPort LOCAL lnBAutoReconnect LOCAL lnSuccess LOCAL loAuthAws LOCAL lcResponseXml LOCAL loXml * This example requires the Chilkat API to have been previously unlocked. * See Global Unlock Sample for sample code. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Rest') loRest = CreateObject('Chilkat.Rest') * Connect to the Amazon AWS server. * such as https://ec2.amazonaws.com/ lnBTls = 1 lnPort = 443 lnBAutoReconnect = 1 lnSuccess = loRest.Connect("ec2.us-west-2.amazonaws.com",lnPort,lnBTls,lnBAutoReconnect) * Provide AWS credentials for the REST call. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.AuthAws') loAuthAws = CreateObject('Chilkat.AuthAws') loAuthAws.AccessKey = "AWS_ACCESS_KEY" loAuthAws.SecretKey = "AWS_SECRET_KEY" * the region should match the region part of the domain passed to the REST connect method (above). loAuthAws.Region = "us-west-2" loAuthAws.ServiceName = "ec2" loRest.SetAuthAws(loAuthAws) loRest.AddQueryParam("Action","DescribeInstanceStatus") loRest.AddQueryParam("Version","2016-11-15") loRest.AddQueryParam("InstanceId.1","i-999719995399c9999") * If you have additional instances to check, then add them with .2, .3, etc. loRest.AddQueryParam("InstanceId.2","i-999719995399c0000") loRest.AddQueryParam("InstanceId.3","i-999719995399c0111") * ... * Instead of checking specific instances, you can check all instances by * sending the IncludeAllInstances param loRest.AddQueryParam("IncludeAllInstances","true") lcResponseXml = loRest.FullRequestNoBody("GET","/") IF (loRest.LastMethodSuccess <> 1) THEN ? loRest.LastErrorText RELEASE loRest RELEASE loAuthAws CANCEL ENDIF * A successful response will have a status code equal to 200. IF (loRest.ResponseStatusCode <> 200) THEN ? "response status code = " + STR(loRest.ResponseStatusCode) ? "response status text = " + loRest.ResponseStatusText ? "response header: " + loRest.ResponseHeader ? "response body: " + lcResponseXml RELEASE loRest RELEASE loAuthAws CANCEL ENDIF * Examine the successful XML response. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Xml') loXml = CreateObject('Chilkat.Xml') loXml.LoadXml(lcResponseXml) ? loXml.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> RELEASE loRest RELEASE loAuthAws RELEASE loXml |
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