0c040170f9 | ||
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cluster_upgrade | ||
specs | ||
.coveragerc | ||
.gitignore | ||
.gitreview | ||
AUTHORS | ||
LICENSE | ||
MANIFEST.in | ||
README.rst | ||
bindep.txt | ||
conftest.py | ||
nailgun-test-settings.yaml | ||
requirements.txt | ||
setup.cfg | ||
setup.py | ||
test-requirements.txt | ||
tox.ini |
README.rst
Fuel nailgun extenstion for cluster upgrade
This extension for Nailgun provides API handlers and logic for cluster upgrading. This extension used by the fuel-octane project.
Instalation
- After installing
fuel-nailgun-extension-cluster-upgrade
package run: -
nailgun_syncdb
- migrate database- restart nailgun service
Transformer configuration
Every transformation manager has default config that hardcoded, but
you can overwrite this config with your own transformations extensions.
This could be done by extending nailgun/settings.yaml
file.
Example
CLUSTER_UPGRADE:
transformations:
cluster:
7.0: [transform_vips]
9.0: [first_transformation, second_transformation]
...
In extension you should define a entrypoint is such way:
nailgun.cluster_upgrade.transformations.cluster.7.0 =
transform_vips = my_project.transformations:transform_cluster_vips
on first line we have entripoint name where
nailgun.cluster_upgrade.transformations
- namespace where all transformations defined.cluster
- name of object which data transformed7.0
- cluster version where these transformations should happen
on the second line
transform_vips
- unique transformation name that you can use in configuration file or in transformation managermy_project.transformations
- module nametransform_cluster_vips
- transformer function name
Transformation function must take only one argument - data to
transform. When you call
manager.apply(from_version, to_version, data)
all
transformer functions ordered by a version called one by one, and output
of one transformer used as input to the other.
In out example calling
cluster_manager.apply('6.0', '9.1', data)
will call three
functions transform_vips
,
first_transformation
,
second_transformation
.