container_tamer/container_tamer.py

#!/usr/bin/env python

import json
import os
from jinja2 import Environment, FileSystemLoader

# Load configuration from config.json
with open('config.json', 'r') as config_file:
    config = json.load(config_file)

dictfile = {}

# Read variables from the TEMPLATE_VARS dictionary
dictfile = config["TEMPLATE_VARS"]

def do_template(dict, out, templ, run_script=False, run_dir=None, shell=None):
    env = Environment(loader=FileSystemLoader('./'))
    template = env.get_template(templ)
    rendered_content = template.render(dict)
    print("Dictionary applied", json.dumps(dict, indent=4), "To, ", out)
    with open(out, 'w') as outfile:
        outfile.write(rendered_content)
    print("Runscript:", str(run_script))
    if run_script:
        os.chmod(out, 0o755)
        if run_dir != "none" and shell != "none":
            os.system(f"cd {run_dir} && {shell} {out}")
        else:
            os.system(out)


# Run jinja2 templates
templates = config["JINJA_TEMP"]
for item in templates:
    out_tpl = item["OUT_FILE"]
    in_tpl = item["IN_FILE"]
    run_script = item.get("RUN_SCRIPT", False)
    run_dir = item.get("RUN_DIR")
    shell = item.get("SHELL")
    do_template(dictfile, out_tpl, in_tpl, run_script=run_script, run_dir=run_dir, shell=shell)