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8eccb05e33
* feat: implement HTTP event sink * Update events/event_sink.py --------- Co-authored-by: Adrià Casajús <acasajus@users.noreply.github.com>
64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
import argparse
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from enum import Enum
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from sys import argv, exit
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from app.config import DB_URI
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from app.log import LOG
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from events.runner import Runner
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from events.event_source import DeadLetterEventSource, PostgresEventSource
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from events.event_sink import ConsoleEventSink, HttpEventSink
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class Mode(Enum):
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DEAD_LETTER = "dead_letter"
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LISTENER = "listener"
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@staticmethod
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def from_str(value: str):
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if value == Mode.DEAD_LETTER.value:
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return Mode.DEAD_LETTER
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elif value == Mode.LISTENER.value:
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return Mode.LISTENER
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else:
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raise ValueError(f"Invalid mode: {value}")
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def main(mode: Mode, dry_run: bool):
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if mode == Mode.DEAD_LETTER:
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LOG.i("Using DeadLetterEventSource")
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source = DeadLetterEventSource()
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elif mode == Mode.LISTENER:
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LOG.i("Using PostgresEventSource")
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source = PostgresEventSource(DB_URI)
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else:
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raise ValueError(f"Invalid mode: {mode}")
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if dry_run:
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LOG.i("Starting with ConsoleEventSink")
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sink = ConsoleEventSink()
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else:
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LOG.i("Starting with HttpEventSink")
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sink = HttpEventSink()
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runner = Runner(source=source, sink=sink)
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runner.run()
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def args():
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parser = argparse.ArgumentParser(description="Run event listener")
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parser.add_argument(
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"mode",
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help="Mode to run",
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choices=[Mode.DEAD_LETTER.value, Mode.LISTENER.value],
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)
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parser.add_argument("--dry-run", help="Dry run mode", action="store_true")
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return parser.parse_args()
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if __name__ == "__main__":
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if len(argv) < 2:
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print("Invalid usage. Pass 'listener' or 'dead_letter' as argument")
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exit(1)
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args = args()
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main(Mode.from_str(args.mode), args.dry_run)
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