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Docker modules: improve documentation on docker vs. docker-py Python package requirements (#42457)

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* Make sure all docker-py/docker requirements are listed, and clarify about docker vs. docker-py.

* Adjusting changes made in #40839.
This commit is contained in:
Felix Fontein 2018-07-11 23:57:39 +02:00 • committed by Sam Doran
commit 765a5130d5
10 changed files with 66 additions and 13 deletions
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9
lib/ansible/module_utils/docker_common.py
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@ -167,14 +167,15 @@ class AnsibleDockerClient(Client):
if HAS_DOCKER_MODELS and HAS_DOCKER_SSLADAPTER:
self.fail("Cannot have both the docker-py and docker python modules installed together as they use the same namespace and "
"cause a corrupt installation. Please uninstall both packages, and re-install only the docker-py or docker python module")
"cause a corrupt installation. Please uninstall both packages, and re-install only the docker-py or docker python "
"module. It is recommended to install the docker module if no support for Python 2.6 is required.")
if not HAS_DOCKER_PY:
self.fail("Failed to import docker-py - %s. Try `pip install docker-py`" % HAS_DOCKER_ERROR)
self.fail("Failed to import docker or docker-py - %s. Try `pip install docker` or `pip install docker-py` (Python 2.6)" % HAS_DOCKER_ERROR)
if LooseVersion(docker_version) < LooseVersion(MIN_DOCKER_VERSION):
self.fail("Error: docker-py version is %s. Minimum version required is %s." % (docker_version,
MIN_DOCKER_VERSION))
self.fail("Error: docker / docker-py version is %s. Minimum version required is %s." % (docker_version,
MIN_DOCKER_VERSION))
self.debug = self.module.params.get('debug')
self.check_mode = self.module.check_mode