Chilkat Online Tools

ListDatastores Ruby Example

AWS IoT Analytics

require 'chilkat'

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

rest = Chilkat::CkRest.new()

authAws = Chilkat::CkAuthAws.new()
authAws.put_AccessKey("AWS_ACCESS_KEY")
authAws.put_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.put_Region("us-west-2")
authAws.put_ServiceName("iotanalytics")
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws)

# URL: https://iotanalytics.us-west-2.amazonaws.com/
# Use the same region as specified above.
success = rest.Connect("iotanalytics.us-west-2.amazonaws.com",443,true,true)
if (success != true)
    print "ConnectFailReason: " + rest.get_ConnectFailReason().to_s() + "\n";
    print rest.lastErrorText() + "\n";
    exit
end

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

sbResponseBody = Chilkat::CkStringBuilder.new()
success = rest.FullRequestNoBodySb("GET","/datastores",sbResponseBody)
if (success != true)
    print rest.lastErrorText() + "\n";
    exit
end

respStatusCode = rest.get_ResponseStatusCode()
print "response status code = " + respStatusCode.to_s() + "\n";
if (respStatusCode != 200)
    print "Response Header:" + "\n";
    print rest.responseHeader() + "\n";
    print "Response Body:" + "\n";
    print sbResponseBody.getAsString() + "\n";
    exit
end

jResp = Chilkat::CkJsonObject.new()
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

nextToken = jResp.stringOf("nextToken")
i = 0
count_i = jResp.SizeOfArray("datastoreSummaries")
while i < count_i
    jResp.put_I(i)
    creationTime = jResp.IntOf("datastoreSummaries[i].creationTime")
    datastoreName = jResp.stringOf("datastoreSummaries[i].datastoreName")
    Bucket = jResp.stringOf("datastoreSummaries[i].datastoreStorage.customerManagedS3.bucket")
    KeyPrefix = jResp.stringOf("datastoreSummaries[i].datastoreStorage.customerManagedS3.keyPrefix")
    RoleArn = jResp.stringOf("datastoreSummaries[i].datastoreStorage.customerManagedS3.roleArn")
    CustomerManagedS3StorageBucket = jResp.stringOf("datastoreSummaries[i].datastoreStorage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.bucket")
    CustomerManagedS3StorageKeyPrefix = jResp.stringOf("datastoreSummaries[i].datastoreStorage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.keyPrefix")
    fileFormatType = jResp.stringOf("datastoreSummaries[i].fileFormatType")
    lastMessageArrivalTime = jResp.IntOf("datastoreSummaries[i].lastMessageArrivalTime")
    lastUpdateTime = jResp.IntOf("datastoreSummaries[i].lastUpdateTime")
    status = jResp.stringOf("datastoreSummaries[i].status")
    j = 0
    count_j = jResp.SizeOfArray("datastoreSummaries[i].datastorePartitions.partitions")
    while j < count_j
        jResp.put_J(j)
        AttributeName = jResp.stringOf("datastoreSummaries[i].datastorePartitions.partitions[j].attributePartition.attributeName")
        timestampPartitionAttributeName = jResp.stringOf("datastoreSummaries[i].datastorePartitions.partitions[j].timestampPartition.attributeName")
        TimestampFormat = jResp.stringOf("datastoreSummaries[i].datastorePartitions.partitions[j].timestampPartition.timestampFormat")
        j = j + 1
    end
    i = i + 1
end

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

# {
#   "datastoreSummaries": [
#     {
#       "creationTime": number,
#       "datastoreName": "string",
#       "datastorePartitions": {
#         "partitions": [
#           {
#             "attributePartition": {
#               "attributeName": "string"
#             },
#             "timestampPartition": {
#               "attributeName": "string",
#               "timestampFormat": "string"
#             }
#           }
#         ]
#       },
#       "datastoreStorage": {
#         "customerManagedS3": {
#           "bucket": "string",
#           "keyPrefix": "string",
#           "roleArn": "string"
#         },
#         "iotSiteWiseMultiLayerStorage": {
#           "customerManagedS3Storage": {
#             "bucket": "string",
#             "keyPrefix": "string"
#           }
#         },
#         "serviceManagedS3": {}
#       },
#       "fileFormatType": "string",
#       "lastMessageArrivalTime": number,
#       "lastUpdateTime": number,
#       "status": "string"
#     }
#   ],
#   "nextToken": "string"
# }