Chilkat Online Tools

PollForTask Powershell Example

AWS Data Pipeline

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

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

$rest = New-Object Chilkat.Rest

$authAws = New-Object Chilkat.AuthAws
$authAws.AccessKey = "AWS_ACCESS_KEY"
$authAws.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.)
$authAws.Region = "us-west-2"
$authAws.ServiceName = "datapipeline"
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
$rest.SetAuthAws($authAws)

# URL: https://datapipeline.us-west-2.amazonaws.com/
# Use the same region as specified above.
$success = $rest.Connect("datapipeline.us-west-2.amazonaws.com",443,$true,$true)
if ($success -ne $true) {
    $("ConnectFailReason: " + $rest.ConnectFailReason)
    $($rest.LastErrorText)
    exit
}

# 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

$json = New-Object Chilkat.JsonObject
$json.UpdateString("hostname","string")
$json.UpdateString("instanceIdentity.document","string")
$json.UpdateString("instanceIdentity.signature","string")
$json.UpdateString("workerGroup","string")

# The JSON request body created by the above code:

# {
#   "hostname": "string",
#   "instanceIdentity": {
#     "document": "string",
#     "signature": "string"
#   },
#   "workerGroup": "string"
# }

$rest.AddHeader("Content-Type","application/x-amz-json-1.1")
$rest.AddHeader("X-Amz-Target","DataPipeline.PollForTask")

$sbRequestBody = New-Object Chilkat.StringBuilder
$json.EmitSb($sbRequestBody)
$sbResponseBody = New-Object Chilkat.StringBuilder
$success = $rest.FullRequestSb("POST","/",$sbRequestBody,$sbResponseBody)
if ($success -ne $true) {
    $($rest.LastErrorText)
    exit
}

$respStatusCode = $rest.ResponseStatusCode
$("response status code = " + $respStatusCode)
if ($respStatusCode -ne 200) {
    $("Response Header:")
    $($rest.ResponseHeader)
    $("Response Body:")
    $($sbResponseBody.GetAsString())
    exit
}

$jResp = New-Object Chilkat.JsonObject
$jResp.LoadSb($sbResponseBody)

# 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

$AttemptId = $jResp.StringOf("taskObject.attemptId")
$Id = $jResp.StringOf("taskObject.objects.string.id")
$Name = $jResp.StringOf("taskObject.objects.string.name")
$PipelineId = $jResp.StringOf("taskObject.pipelineId")
$TaskId = $jResp.StringOf("taskObject.taskId")
$i = 0
$count_i = $jResp.SizeOfArray("taskObject.objects.string.fields")
while ($i -lt $count_i) {
    $jResp.I = $i
    $key = $jResp.StringOf("taskObject.objects.string.fields[i].key")
    $refValue = $jResp.StringOf("taskObject.objects.string.fields[i].refValue")
    $stringValue = $jResp.StringOf("taskObject.objects.string.fields[i].stringValue")
    $i = $i + 1
}

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

# {
#   "taskObject": {
#     "attemptId": "string",
#     "objects": {
#       "string": {
#         "fields": [
#           {
#             "key": "string",
#             "refValue": "string",
#             "stringValue": "string"
#           }
#         ],
#         "id": "string",
#         "name": "string"
#       }
#     },
#     "pipelineId": "string",
#     "taskId": "string"
#   }
# }