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Mistral Project

Project description

Task Orchestration and Scheduling service for OpenStack cloud

Installation

First of all, in a shell run:

tox

This will install necessary virtual environments and run all the project tests. Installing virtual environments may take significant time (~10-15 mins).

Running Mistral API server

To run Mistral API server perform the following command in a shell:

tox -evenv – python mistral/cmd/launch.py –server api –config-file path_to_config*

Note that an example configuration file can be found in etc/mistral.conf.example.

Running Mistral Engines

To run Mistral Engine perform the following command in a shell:

tox -evenv – python mistral/cmd/launch.py –server engine –config-file path_to_config*

Running Mistral Task Executors

To run Mistral Task Executor instance perform the following command in a shell:

tox -evenv – python mistral/cmd/launch.py –server executor –config-file path_to_config

Note that at least one Engine instance and one Executor instance should be running so that workflow tasks are processed by Mistral.

Debugging

To debug using a local engine and executor without dependencies such as RabbitMQ, create etc/mistral.conf with the following settings:

[DEFAULT]
rpc_backend = fake

[pecan]
auth_enable = False

and run in pdb, PyDev or PyCharm:

mistral/cmd/launch.py --server all --config-file etc/mistral.conf --use-debugger

Running examples

To run the examples find them in mistral-extra repository (https://github.com/stackforge/mistral-extra) and follow the instructions on each example.

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