diff options
author | Matt Bruzek <mbruzek@gmail.com> | 2018-01-18 15:27:13 -0600 |
---|---|---|
committer | Matt Bruzek <mbruzek@gmail.com> | 2018-01-18 15:27:13 -0600 |
commit | cb581bfb67a53f887c4705d45fc7b0024a6816f9 (patch) | |
tree | 9c351ddd9282f5d3d37c1189af0ac2ad444c0125 /roles/lib_utils/callback_plugins/aa_version_requirement.py | |
parent | c7a1c448cbd64de98e1f097d14b58ee9f6ccf511 (diff) | |
parent | 1a2a895356df638756d2117e3d324710167737db (diff) | |
download | openshift-cb581bfb67a53f887c4705d45fc7b0024a6816f9.tar.gz openshift-cb581bfb67a53f887c4705d45fc7b0024a6816f9.tar.bz2 openshift-cb581bfb67a53f887c4705d45fc7b0024a6816f9.tar.xz openshift-cb581bfb67a53f887c4705d45fc7b0024a6816f9.zip |
Merge branch 'master' into mbruzek-openshift-openstack
Diffstat (limited to 'roles/lib_utils/callback_plugins/aa_version_requirement.py')
-rw-r--r-- | roles/lib_utils/callback_plugins/aa_version_requirement.py | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/roles/lib_utils/callback_plugins/aa_version_requirement.py b/roles/lib_utils/callback_plugins/aa_version_requirement.py new file mode 100644 index 000000000..1093acdae --- /dev/null +++ b/roles/lib_utils/callback_plugins/aa_version_requirement.py @@ -0,0 +1,60 @@ +#!/usr/bin/python + +""" +This callback plugin verifies the required minimum version of Ansible +is installed for proper operation of the OpenShift Ansible Installer. +The plugin is named with leading `aa_` to ensure this plugin is loaded +first (alphanumerically) by Ansible. +""" +import sys +from ansible import __version__ + +if __version__ < '2.0': + # pylint: disable=import-error,no-name-in-module + # Disabled because pylint warns when Ansible v2 is installed + from ansible.callbacks import display as pre2_display + CallbackBase = object + + def display(*args, **kwargs): + """Set up display function for pre Ansible v2""" + pre2_display(*args, **kwargs) +else: + from ansible.plugins.callback import CallbackBase + from ansible.utils.display import Display + + def display(*args, **kwargs): + """Set up display function for Ansible v2""" + display_instance = Display() + display_instance.display(*args, **kwargs) + + +# Set to minimum required Ansible version +REQUIRED_VERSION = '2.4.1.0' +DESCRIPTION = "Supported versions: %s or newer" % REQUIRED_VERSION + + +def version_requirement(version): + """Test for minimum required version""" + return version >= REQUIRED_VERSION + + +class CallbackModule(CallbackBase): + """ + Ansible callback plugin + """ + + CALLBACK_VERSION = 1.0 + CALLBACK_NAME = 'version_requirement' + + def __init__(self): + """ + Version verification is performed in __init__ to catch the + requirement early in the execution of Ansible and fail gracefully + """ + super(CallbackModule, self).__init__() + + if not version_requirement(__version__): + display( + 'FATAL: Current Ansible version (%s) is not supported. %s' + % (__version__, DESCRIPTION), color='red') + sys.exit(1) |