cfr.py

from github_api import get_workflow_runs
from datetime import datetime, timedelta
import os
import argparse
import json
import logging

OWNER = "ministryofjustice"

logger = logging.getLogger('MetricLogger')
logger.setLevel(logging.INFO)


fh = logging.FileHandler('output.log')
fh.setLevel(logging.INFO)

# Create formatter and set it for both handlers
formatter = logging.Formatter('%(message)s')
fh.setFormatter(formatter)
logger.addHandler(fh)


# Read ACCESS_TOKEN from environment
ACCESS_TOKEN = os.environ["ACCESS_TOKEN"]

# set up the command-line argument parser
parser = argparse.ArgumentParser()
parser.add_argument("filename", help="path to the input JSON file")
parser.add_argument(
    "date_query", help="date range in the format 2023-04-01..2023-05-01"
)
args = parser.parse_args()

# load the repository names from a JSON file
with open(args.filename, "r") as f:
    data = json.load(f)
    repos = data['repos']
    excluded_workflows = data['excluded_workflows']

filename, file_extension = os.path.splitext(args.filename)
# Initialize variables
total_workflow_runs = 0
total_unsuccessful_runs = 0
runs = []
per_page = 100
for repo in repos:
    # Define the query parameters to retrieve all workflow runs
    params = {
        "branch": "main",
        "status": "completed",
        "per_page": per_page,
        "created": args.date_query,
    }

    # Retrieve the workflow runs for the given repository using the provided query parameters
    workflow_runs = get_workflow_runs(OWNER, repo, ACCESS_TOKEN, params)
    total_workflow_runs += len(workflow_runs)
    total_unsuccessful_runs += len(
        [run for run in workflow_runs if run["conclusion"] != "success" and run["name"] not in excluded_workflows]
    )


# Calculate the percentage of unsuccessful runs
failure_rate = (total_unsuccessful_runs / total_workflow_runs) * 100

# Output the Change Failure Rate
logger.info(f"Total Workflow Runs: {total_workflow_runs}")
logger.info(f"Total Unsuccessful Runs: {total_unsuccessful_runs}")
logger.info(f"\nChange Failure Rate for {filename}: {failure_rate:.2f}%")

print(f"Total Workflow Runs: {total_workflow_runs}")
print(f"Total Unsuccessful Runs: {total_unsuccessful_runs}")
print(f"\033[32m\033[1mChange Failure Rate for {filename}: {failure_rate:.2f}%\033[0m")