Chilkat Online Tools

CreateInstance Foxpro Example

AWS OpsWorks

LOCAL loRest
LOCAL lnSuccess
LOCAL loAuthAws
LOCAL loJson
LOCAL loSbRequestBody
LOCAL loSbResponseBody
LOCAL lnRespStatusCode
LOCAL loJResp
LOCAL lcInstanceId

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

loRest = CreateObject('Chilkat_9_5_0.Rest')

loAuthAws = CreateObject('Chilkat_9_5_0.AuthAws')
loAuthAws.AccessKey = "AWS_ACCESS_KEY"
loAuthAws.SecretKey = "AWS_SECRET_KEY"

* Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
loAuthAws.Region = "us-west-2"
loAuthAws.ServiceName = "opsworks"
* SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
loRest.SetAuthAws(loAuthAws)

* URL: https://opsworks.us-west-2.amazonaws.com/
* Use the same region as specified above.
lnSuccess = loRest.Connect("opsworks.us-west-2.amazonaws.com",443,1,1)
IF (lnSuccess <> 1) THEN
    ? "ConnectFailReason: " + STR(loRest.ConnectFailReason)
    ? loRest.LastErrorText
    RELEASE loRest
    RELEASE loAuthAws
    CANCEL
ENDIF

* The following code creates the JSON request body.
* The JSON created by this code is shown below.

* Use this online tool to generate code from sample JSON:
* Generate Code to Create JSON

loJson = CreateObject('Chilkat_9_5_0.JsonObject')
loJson.UpdateString("AgentVersion","string")
loJson.UpdateString("AmiId","string")
loJson.UpdateString("Architecture","string")
loJson.UpdateString("AutoScalingType","string")
loJson.UpdateString("AvailabilityZone","string")
loJson.UpdateString("BlockDeviceMappings[0].DeviceName","string")
loJson.UpdateInt("BlockDeviceMappings[0].Ebs.DeleteOnTermination",123)
loJson.UpdateInt("BlockDeviceMappings[0].Ebs.Iops",123)
loJson.UpdateString("BlockDeviceMappings[0].Ebs.SnapshotId","string")
loJson.UpdateInt("BlockDeviceMappings[0].Ebs.VolumeSize",123)
loJson.UpdateString("BlockDeviceMappings[0].Ebs.VolumeType","string")
loJson.UpdateString("BlockDeviceMappings[0].NoDevice","string")
loJson.UpdateString("BlockDeviceMappings[0].VirtualName","string")
loJson.UpdateInt("EbsOptimized",123)
loJson.UpdateString("Hostname","string")
loJson.UpdateInt("InstallUpdatesOnBoot",123)
loJson.UpdateString("InstanceType","string")
loJson.UpdateString("LayerIds[0]","string")
loJson.UpdateString("Os","string")
loJson.UpdateString("RootDeviceType","string")
loJson.UpdateString("SshKeyName","string")
loJson.UpdateString("StackId","string")
loJson.UpdateString("SubnetId","string")
loJson.UpdateString("Tenancy","string")
loJson.UpdateString("VirtualizationType","string")

* The JSON request body created by the above code:

* {
*   "AgentVersion": "string",
*   "AmiId": "string",
*   "Architecture": "string",
*   "AutoScalingType": "string",
*   "AvailabilityZone": "string",
*   "BlockDeviceMappings": [
*     {
*       "DeviceName": "string",
*       "Ebs": {
*         "DeleteOnTermination": boolean,
*         "Iops": number,
*         "SnapshotId": "string",
*         "VolumeSize": number,
*         "VolumeType": "string"
*       },
*       "NoDevice": "string",
*       "VirtualName": "string"
*     }
*   ],
*   "EbsOptimized": boolean,
*   "Hostname": "string",
*   "InstallUpdatesOnBoot": boolean,
*   "InstanceType": "string",
*   "LayerIds": [
*     "string"
*   ],
*   "Os": "string",
*   "RootDeviceType": "string",
*   "SshKeyName": "string",
*   "StackId": "string",
*   "SubnetId": "string",
*   "Tenancy": "string",
*   "VirtualizationType": "string"
* }

loRest.AddHeader("Content-Type","application/x-amz-json-1.1")
loRest.AddHeader("X-Amz-Target","OpsWorks_20130218.CreateInstance")

loSbRequestBody = CreateObject('Chilkat_9_5_0.StringBuilder')
loJson.EmitSb(loSbRequestBody)
loSbResponseBody = CreateObject('Chilkat_9_5_0.StringBuilder')
lnSuccess = loRest.FullRequestSb("POST","/",loSbRequestBody,loSbResponseBody)
IF (lnSuccess <> 1) THEN
    ? loRest.LastErrorText
    RELEASE loRest
    RELEASE loAuthAws
    RELEASE loJson
    RELEASE loSbRequestBody
    RELEASE loSbResponseBody
    CANCEL
ENDIF

lnRespStatusCode = loRest.ResponseStatusCode
? "response status code = " + STR(lnRespStatusCode)
IF (lnRespStatusCode <> 200) THEN
    ? "Response Header:"
    ? loRest.ResponseHeader
    ? "Response Body:"
    ? loSbResponseBody.GetAsString()
    RELEASE loRest
    RELEASE loAuthAws
    RELEASE loJson
    RELEASE loSbRequestBody
    RELEASE loSbResponseBody
    CANCEL
ENDIF

loJResp = CreateObject('Chilkat_9_5_0.JsonObject')
loJResp.LoadSb(loSbResponseBody)

* The following code parses the JSON response.
* A sample JSON response is shown below the sample code.

* Use this online tool to generate parsing code from sample JSON:
* Generate Parsing Code from JSON

lcInstanceId = loJResp.StringOf("InstanceId")

* A sample JSON response body parsed by the above code:

* {
*   "InstanceId": "string"
* }

RELEASE loRest
RELEASE loAuthAws
RELEASE loJson
RELEASE loSbRequestBody
RELEASE loSbResponseBody
RELEASE loJResp