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"""
Ansible module for determining if an installed version of Open vSwitch is incompatible with the
currently installed version of OpenShift.
"""
from openshift_checks import OpenShiftCheck, OpenShiftCheckException
from openshift_checks.mixins import NotContainerizedMixin
class OvsVersion(NotContainerizedMixin, OpenShiftCheck):
"""Check that packages in a package_list are installed on the host
and are the correct version as determined by an OpenShift installation.
"""
name = "ovs_version"
tags = ["health"]
openshift_to_ovs_version = {
"3.6": ["2.6", "2.7"],
"3.5": ["2.6", "2.7"],
"3.4": "2.4",
}
def is_active(self):
"""Skip hosts that do not have package requirements."""
group_names = self.get_var("group_names", default=[])
master_or_node = 'masters' in group_names or 'nodes' in group_names
return super(OvsVersion, self).is_active() and master_or_node
def run(self):
args = {
"package_list": [
{
"name": "openvswitch",
"version": self.get_required_ovs_version(),
},
],
}
return self.execute_module("rpm_version", args)
def get_required_ovs_version(self):
"""Return the correct Open vSwitch version for the current OpenShift version"""
openshift_version_tuple = self.get_major_minor_version(self.get_var("openshift_image_tag"))
if openshift_version_tuple < (3, 5):
return self.openshift_to_ovs_version["3.4"]
openshift_version = ".".join(str(x) for x in openshift_version_tuple)
ovs_version = self.openshift_to_ovs_version.get(openshift_version)
if ovs_version:
return self.openshift_to_ovs_version[openshift_version]
msg = "There is no recommended version of Open vSwitch for the current version of OpenShift: {}"
raise OpenShiftCheckException(msg.format(openshift_version))
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