#!/usr/bin/python
 
import sys
import requests
import gitlab
 
gitlabUrl = 'https://company.gitlab-ce'
gitlabToken = 'mytoken'
gitlabProjectName = "/path/to/my/project"
gitlabPipelineTag = "build-tag"
 
 
gl = gitlab.Gitlab(gitlabUrl, gitlabToken)
project = gl.projects.get(gitlabProjectName)
 
pipelines = project.pipelines.list()
myPipeline = next((x for x in pipelines if x.ref == gitlabPipelineTag), None)
print(myPipeline)
 
myPipelineJobs = myPipeline.jobs.list()
myJob = next((x for x in myPipelineJobs if x.name == 'sync-source:prod'), None)
print(myJob)
 
action = input("Do you want to run the Job? (Y/N)")
if action.lower() == "y":
    myJob.retry()
    # Different tests with trace() and play() yeld the same results

python job_trigger.py 
<class 'gitlab.v4.objects.ProjectPipeline'> => {'id': 4104, 'sha': '513dd62fe9d69df07e116662407fef6e7e5faeac', 'ref': 'ci-1.2.4', 'status': 'success'}
<class 'gitlab.v4.objects.ProjectPipelineJob'> => {'id': 22138, 'status': 'success', 'stage': 'deploy-prod', 'name': 'sync-source:prod', 'ref': 'ci-1.2.4', 'tag': True, 'coverage': None, 'created_at': '2018-06-13T19:05:48.077Z', 'started_at': '2018-06-13T19:06:58.985Z', 'finished_at': '2018-06-13T19:07:17.506Z', 'duration': 18.52052, 'user': {'id': 8, 'name': 'xxxxxxxxxx', 'username': 'xxxxxxxx', 'state': 'active', 'avatar_url': 'https://secure.gravatar.com/avatar/xxxxxxxxxxxxxxxxx?s=80&d=identicon', 'web_url': 'https://xxxxxxxxxxxxxxxxxxxx', 'created_at': '2018-03-12T15:58:19.940Z', 'bio': None, 'location': None, 'skype': '', 'linkedin': '', 'twitter': '', 'website_url': '', 'organization': None}, 'commit': {'id': '513dd62fe9d69df07e116662407fef6e7e5faeac', 'short_id': '513dd62f', 'title': 'ci test', 'created_at': '2018-06-13T16:05:35.000-03:00', 'parent_ids': ['53c2808c0350c77fe9e3f8dffadee990a0322021'], 'message': 'ci test\n', 'author_name': 'xxxxxxxx', 'author_email': 'xxxxxxxx@xxxail.com', 'authored_date': '2018-06-13T16:05:35.000-03:00', 'committer_name': 'xxxxxxxx', 'committer_email': 'xxxxxxxxxxxxxxx', 'committed_date': '2018-06-13T16:05:35.000-03:00'}, 'pipeline': {'id': 4104, 'sha': '513dd62fe9d69df07e116662407fef6e7e5faeac', 'ref': 'ci-1.2.4', 'status': 'success'}, 'runner': {'id': 18, 'description': 'Runner 14', 'active': True, 'is_shared': True, 'name': 'gitlab-runner', 'online': True, 'status': 'online'}}
Do you want to run the Job? (Y/N)y
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/gitlab/exceptions.py", line 251, in wrapped_f
    return f(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/gitlab/v4/objects.py", line 956, in retry
    self.manager.gitlab.http_post(path)
  File "/usr/lib/python3.6/site-packages/gitlab/__init__.py", line 825, in http_post
    post_data=post_data, files=files, **kwargs)
  File "/usr/lib/python3.6/site-packages/gitlab/__init__.py", line 731, in http_request
    response_body=result.content)
gitlab.exceptions.GitlabHttpError: 404: b'{"error":"404 Not Found"}'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "job_trigger.py", line 37, in <module>
    myJob.retry()
  File "/usr/lib/python3.6/site-packages/gitlab/cli.py", line 42, in wrapped_f
    return f(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/gitlab/exceptions.py", line 253, in wrapped_f
    raise error(e.error_message, e.response_code, e.response_body)
gitlab.exceptions.GitlabJobRetryError: 404: b'{"error":"404 Not Found"}'`