release 0.5.0

Author: yokawasa

ChangeLog.md

@@ -1,25 +1,38 @@
+# ChangeLog
+
+## 0.5.0
+
+* Check body size not to exceed data limit of 30MB in Azure Monitor Data Collection API - [issue #12](https://github.com/yokawasa/azure-log-analytics-data-collector/issues/12)
+
 ## 0.4.0
+
 * restclient retries request on the following status code - [issue #10](https://github.com/yokawasa/azure-log-analytics-data-collector/issues/10)
   * 429 - Too Many Requests
   * 500 - Internal Server Error
   * 503 -	Service Unavailable
 
 ## 0.3.0
+
 * Enhance log type validation: check not only alpha but also numeric, underscore, and character length (may not exceed 100) - [issue #11](https://github.com/yokawasa/azure-log-analytics-data-collector/issues/11)
 
 ## 0.2.0
+
 * Support setting the x-ms-AzureResourceId Header - [issue #8](https://github.com/yokawasa/azure-log-analytics-data-collector/issues/8)
 
 ## 0.1.6
+
 * fix CVE-2020-8130 - [issue #7](https://github.com/yokawasa/azure-log-analytics-data-collector/issues/7)
 
 ## 0.1.5
+
 * Add endpoint parameter with the default value for Azure public - [PR#5](https://github.com/yokawasa/azure-log-analytics-data-collector/pull/5)
 
 ## 0.1.4
+
 * Add `set_proxy` method to client - [issue#3](https://github.com/yokawasa/azure-log-analytics-data-collector/issues/3)
 
 ## 0.1.2
+
 * fixedup bug - [issue #1](https://github.com/yokawasa/azure-log-analytics-data-collector/issues/1)
 
 ## 0.1.1

lib/azure/loganalytics/datacollectorapi/client.rb

@@ -10,6 +10,9 @@ class Client
 
         DEFAUT_MAX_RETRIES = 3.freeze
         DEFAULT_RETRY_SLEEP_PERIOD = 5.freeze
+        # API Data Limits
+        # https://docs.microsoft.com/en-us/azure/azure-monitor/platform/data-collector-api#data-limits
+        MAX_BODY_BYTE_SIZE = 31457280.freeze   # 30 MB
 
         def initialize (customer_id, shared_key, endpoint ='ods.opinsights.azure.com')
           require 'rest-client'
@@ -31,7 +34,11 @@ def post_data(log_type, json_records, record_timestamp ='', azure_resource_id ='
           raise ConfigError, 'no log_type' if log_type.empty?
           raise ConfigError, 'log_type must only contain alpha numeric and _, and not exceed 100 chars' if not is_valid_log_type(log_type)
           raise ConfigError, 'no json_records' if json_records.empty?
+
           body =  json_records.to_json
+          body_size = body.bytesize
+          raise "too large payload (#{body_size})! max post data size is #{MAX_BODY_BYTE_SIZE} bytes!" if body_size >= MAX_BODY_BYTE_SIZE
+
           uri = sprintf("https://%s.%s/api/logs?api-version=%s",
                         @customer_id, @endpoint, API_VERSION)
           date = rfc1123date()

lib/azure/loganalytics/datacollectorapi/version.rb

@@ -1,7 +1,7 @@
 module Azure
   module Loganalytics
     module Datacollectorapi
-      VERSION = "0.4.0"
+      VERSION = "0.5.0"
     end
   end
 end