Update task executor function logs and documentation

Author: davidgamez

functions-python/tasks_executor/README.md

@@ -5,11 +5,17 @@ This directory contains Google Cloud Functions used as a single point of access
 ## Usage
 The function receive the following payload:
 ```
-  {
+{
    "task": "string", # [required] Name of the task to execute
    "payload": { } [optional] Payload to pass to the task
-  }
-  "payload": {
+}
+```
+
+Example:
+```json
+{
+   "task": "rebuild_missing_validation_reports",
+   "payload": {
     "dry_run": true,
     "filter_after_in_days": 14,
     "filter_statuses": ["active", "inactive", "future"]

functions-python/tasks_executor/src/tasks/validation_reports/README.md

@@ -3,6 +3,9 @@
 This task generates the missing reports in the GTFS datasets. 
 The reports are generated using the _gtfs_validator_ GCP workflow.
 
+## Task ID
+Use task Id: `rebuild_missing_validation_reports`
+
 ## Usage
 The function receive the following payload:
 ```
@@ -13,13 +16,13 @@ The function receive the following payload:
     }
 ```
 Example:
-``
+```
 {
     "dry_run": true,
     "filter_after_in_days": 14,
     "filter_statuses": ["active", "inactive", "future"]
 }
-`````
+```
 
 # GCP environment variables
 The function uses the following environment variables:

functions-python/tasks_executor/src/tasks/validation_reports/rebuild_missing_validation_reports.py

@@ -128,7 +128,7 @@ def rebuild_missing_validation_reports(
         if dry_run
         else "Rebuild missing validation reports task executed successfully."
     )
-    return {
+    result = {
         "message": message,
         "total_processed": total_processed,
         "params": {
@@ -139,6 +139,8 @@ def rebuild_missing_validation_reports(
             "validator_endpoint": validator_endpoint,
         },
     }
+    logging.info(result)
+    return result
 
 
 def get_parameters(payload):