MongoElector
Distributed leader election and locking using MongoDB.
Components
- MongoLocker - Standalone distributed lock primitive backed by MongoDB with TTL-based expiration
- MongoLeaderElector - Leader election coordinator built on MongoLocker with background polling and callbacks
Installation
pip install mongoelector
Quick Start
Distributed Lock
from pymongo import MongoClient
from mongoelector import MongoLocker
db = MongoClient().my_database
lock = MongoLocker("my-resource", db, ttl=30)
lock.acquire()
try:
# do work while holding the lock
pass
finally:
lock.release()
Leader Election
from pymongo import MongoClient
from mongoelector import MongoLeaderElector
db = MongoClient().my_database
def became_leader():
print("I am the leader now")
def lost_leadership():
print("No longer the leader")
elector = MongoLeaderElector(
"my-service",
db,
ttl=15,
on_leader=became_leader,
on_leader_loss=lost_leadership,
)
elector.start()
Requirements
- Python >= 3.10
- pymongo >= 4.13
License
Apache 2.0
1 maintainer
Release files for mongoelector 1.0.2
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Source distribution (sdist)
| File | Size | Uploaded | |
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| mongoelector-1.0.2.tar.gz | 12.1 kB | Details |
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| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| mongoelector-1.0.2-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 22.7 kB
Release files / mongoelector-1.0.2.tar.gz
| Download URL | mongoelector-1.0.2.tar.gz |
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| Size | 12.1 kB |
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| Tags | Python 3 |
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