entrypoint.py

#!/usr/bin/env python3

# use of https://python-jenkins.readthedocs.io/en/latest/index.html

import sys
import requests
import jenkins
import time
import json


def mandatory_arg(argv):
    if argv == "":
        raise ValueError("Only job_params can be empty. Required fields: url, token, user and path")
    return argv


# mandatory
JENKINS_URL = mandatory_arg(sys.argv[1])
JENKINS_TOKEN = mandatory_arg(sys.argv[2])
JENKINS_USER = mandatory_arg(sys.argv[3])
JOB_PATH = mandatory_arg(sys.argv[4])

# not mandatory
JOB_PARAMS = sys.argv[5] or '{}'

# create/connect jenkins server
server = jenkins.Jenkins(f"http://{JENKINS_URL}", username=JENKINS_USER, password=JENKINS_TOKEN)
user = server.get_whoami()
version = server.get_version()
print(f"Hello {user['fullName']} from Jenkins {version}")

# build job
split = JOB_PATH.split("job/")
job_name = "".join(split)
server.build_job(job_name, parameters=json.loads(JOB_PARAMS), token=JENKINS_TOKEN)
queue_info = server.get_queue_info()
queue_id = queue_info[0].get('id')

# define url to request build_number
url = f"http://{JENKINS_USER}:{JENKINS_TOKEN}@{JENKINS_URL}/queue/item/{queue_id}/api/json?pretty=true"


def get_trigger_info(url: str):
    trigger_info = requests.get(url).json()
    return trigger_info


while "executable" not in (info := get_trigger_info(url)):
    time.sleep(3)

build_number = info["executable"]["number"]
print(f"BUILD NUMBER: {build_number}")


def get_status(name: str, number: int) -> str:
    build_info = server.get_build_info(name=name, number=number)
    job_status = build_info["result"]
    return job_status


while not (status := get_status(job_name, build_number)):
    time.sleep(1)

print(f"Job status is : {status}")
print(f"::set-output name=job_status::{status}")

if status != 'SUCCESS':
    exit(1)