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deb-python-openstacksdk/doc/source/users/guides/connect_from_config.rst
Everett Toews 6b2cec41d1 A better create server example
It's much more straight-forward for users to read a create server
example that does everything necessary to create the server
within the body of a single method. In this better example the user
doesn't have to refer to other examples to learn how to create a
server.

Change-Id: Iad7eef7946e93deb735fddcfbe39bbc8b56f507b
2015-11-02 16:17:44 -06:00

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Connect From Config

In order to work with an OpenStack cloud you first need to create a ~openstack.connection.Connection to it using your credentials. A ~openstack.connection.Connection can be created in 3 ways, using the class itself (see connect), a file, or environment variables as illustrated below. The SDK uses os-client-config to handle the configuration.

Note

To get your credentials Download the OpenStack RC file.

Create Connection From A File

Default Location

To create a connection from a file you need a YAML file to contain the configuration.

../../contributors/clouds.yaml

To use a configuration file called clouds.yaml in one of the default locations:

  • Current Directory
  • ~/.config/openstack
  • /etc/openstack

call :py~openstack.connection.from_config with an object that has the name of the cloud configuration to use.

../examples/connect.py

../examples/connect.py

Note

To enable logging, set debug=True in the Opts object.

User Defined Location

To use a configuration file in a user defined location set the environment variable OS_CLIENT_CONFIG_FILE to the absolute path of a file.:

export OS_CLIENT_CONFIG_FILE=/path/to/my/config/my-clouds.yaml

and call :py~openstack.connection.from_config with an object that has the name of the cloud configuration to use.

../examples/connect.py

../examples/connect.py

Note

To enable logging, set debug=True in the Opts object.

Next

Now that you can create a connection, continue with the user_guides for an OpenStack service.