Flower
Flower is an open-source web application for monitoring and managing Celery clusters. It provides real-time information about the status of Celery workers and tasks.
Features
- Real-time monitoring using Celery Events
View task progress and history
View task details (arguments, start time, runtime, and more)
- Remote Control
View worker status and statistics
Shutdown and restart worker instances
Control worker pool size and autoscale settings
View and modify the queues a worker instance consumes from
View currently running tasks
View scheduled tasks (ETA/countdown)
View reserved and revoked tasks
Apply time and rate limits
Revoke or terminate tasks
- Broker monitoring
View statistics for all Celery queues
HTTP Basic Auth, Google, Github, Gitlab and Okta OAuth
Prometheus integration
API
Installation
Installing flower with pip is simple
$ pip install flower
The development version can be installed from Github
$ pip install https://github.com/mher/flower/zipball/master#egg=flower
Usage
To run Flower, you need to provide the broker URL
$ celery --broker=amqp://guest:guest@localhost:5672// flower
Or use the configuration of celery application
$ celery -A tasks.app flower
By default, flower runs on port 5555, which can be modified with the port option
$ celery -A tasks.app flower --port=5001
You can also run Flower using the docker image
$ docker run -v $(pwd)/examples:/data -p 5555:5555 mher/flower celery --app=tasks.app flower
In this example, Flower is using the tasks.app defined in the examples/tasks.py file
API
The Flower API lets you manage the cluster over HTTP.
For example you can grow a worker’s pool by:
$ curl -X POST -d 'n=1' http://localhost:5555/api/worker/pool/grow/celery@$(hostname)
Or call a task by:
$ curl -X POST -d '{"args":[1,2]}' http://localhost:5555/api/task/async-apply/tasks.add
Or terminate a running task by:
$ curl -X POST -d 'terminate=True' http://localhost:5555/api/task/revoke/8a4da87b-e12b-4547-b89a-e92e4d1f8efd
For more info, see the API Reference
Documentation
Documentation is available at Read the Docs
License
Flower is licensed under BSD 3-Clause License. See the License file for the full license text.
Release files for flower 2.2.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| flower-2.2.0.tar.gz | 1.1 MB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| flower-2.2.0-py2.py3-none-any.whl | Python 2, Python 3 | none | any | Details |
Total release size: 1.5 MB
Release files / flower-2.2.0.tar.gz
| Download URL | flower-2.2.0.tar.gz |
|---|---|
| Size | 1.1 MB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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|
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BLAKE2b-256 checksum How to use checksums |
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|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
twine/7.0.0 CPython/3.14.7
|
Release files / flower-2.2.0-py2.py3-none-any.whl
| Download URL | flower-2.2.0-py2.py3-none-any.whl |
|---|---|
| Size | 407.6 kB |
| Tags | Python 2 Python 3 |
|
SHA-256 checksum How to use checksums |
374cbdd92282576ffab66b0da3c3038a2ba1ec34b343b8197dca2e85ce4209f1
|
|
BLAKE2b-256 checksum How to use checksums |
b1b6650f730380002b78bcb488c0df96477dbdc57470731682587d6bc4951abf
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
twine/7.0.0 CPython/3.14.7
|