mirror of
https://github.com/PostHog/posthog.git
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9d7dae201a
* Make production docker-compose.yml generated * Move "version" to top * Update instructions * Leave a fallback docker-compose.yml * Fix grammar * Update instructions * Delete docker-compose.proxy.yml * Improve error handling * Update script * Update wording
80 lines
2.7 KiB
Python
Executable File
80 lines
2.7 KiB
Python
Executable File
import secrets
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import string
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from typing import Optional
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import yaml
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from yaml.loader import FullLoader
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FILE_PATH = "docker-compose.yml"
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def generate_secret_key() -> str:
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"""Securely generate random 50 ASCII letters and digits."""
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return "".join(secrets.choice(string.ascii_letters + string.digits) for _ in range(50))
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def read_config() -> dict:
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with open(FILE_PATH, "r") as file:
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config = yaml.load(file, Loader=FullLoader)
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if not config:
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raise ValueError("Current docker-compose.yml is malformed! Get a fresh one from the PostHog repository.")
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return config
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def save_config(config: dict, *, host_port: int, secret_key: str) -> None:
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with open(FILE_PATH, "w") as file:
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try:
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config["services"]["web"]["ports"] = [f"{host_port}:8000"]
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config["services"]["web"]["environment"]["SECRET_KEY"] = secret_key
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except KeyError:
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raise ValueError("Current docker-compose.yml is malformed! Get a fresh one from the PostHog repository.")
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yaml.dump(
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config, stream=file, indent=4,
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)
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def input_host_port(n: int, default: int = 80) -> int:
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print(
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f"\n{n}. On which host port should the PostHog server be exposed? (default: {default})\n"
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"Leave on default value if not using a reverse proxy such as nginx.\n"
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"Otherwise select a higher-numbered port (like 8000)\n"
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"and point your reverse proxy server to it.\n"
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)
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while True:
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try:
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host_port_raw = input()
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return int(host_port_raw) if host_port_raw else default
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except ValueError:
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print("Port must be a number! Please try again.\n")
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def input_secret_key(n: int) -> str:
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print(
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f"\n{n}. Do you have a specific Django SECRET_KEY? (default: random)\n"
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"Django uses the SECRET_KEY variable for e.g. encrypting sessions and tokens,\n"
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"so it's important that it is secret and only yours.\n"
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"If you don't have one already, skip this and let us generate you one.\n"
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)
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return input() or "".join(secrets.choice(string.ascii_letters + string.digits) for _ in range(50))
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def main():
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host_port: Optional[int] = None
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secret_key: Optional[str] = None
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config: dict = read_config()
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print("Let's build the right production docker-compose.yml for your PostHog instance.")
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print("\nIf you're OK with a step's default value, you can skip by pressing Enter/Return.")
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host_port = input_host_port(1)
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secret_key = input_secret_key(2)
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save_config(config, host_port=host_port, secret_key=secret_key)
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print("\nConfigured and saved docker-compose.yml. You can now use it in production.")
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if __name__ == "__main__":
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main()
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