Get the log of the specified task

This api offers the interface to get the log of the specified task.

---
tags:
  - Tasks
parameters:
  - name: task_id
    description: task id
    in: path
    type: string
    required: true
definitions:
  Task:
    type: object
    properties:
      creds_name:
          $ref: '#/definitions/Result'
  Result:
    type: dict
responses:
  200:
    description: Get the log of the specified task
    schema:
      $ref: '#/definitions/Task'
    examples:
      "result": {
        "data": [
        "2017-09-14 06:46:26,106 - functest.ci.run_tests - DEBUG - Sourcing the OpenStack RC file... ",
        "2017-09-14 06:46:26,107 - functest.ci.run_tests - DEBUG - Test args: connection_check ",
        "2017-09-14 06:46:26,107 - functest.ci.run_tests - INFO - Running test case 'connection_check'... ",
        "..."]}
      "status": 2