1 files changed, 129 insertions, 0 deletions
diff --git a/filter_plugins/openshift_version.py b/filter_plugins/openshift_version.py
new file mode 100644
index 000000000..1403e9dcc
--- /dev/null
+++ b/filter_plugins/openshift_version.py
@@ -0,0 +1,129 @@
+#!/usr/bin/python
+
+# -*- coding: utf-8 -*-
+# vim: expandtab:tabstop=4:shiftwidth=4
+"""
+Custom version comparison filters for use in openshift-ansible
+"""
+
+# pylint can't locate distutils.version within virtualenv
+# https://github.com/PyCQA/pylint/issues/73
+# pylint: disable=no-name-in-module, import-error
+from distutils.version import LooseVersion
+
+
+def legacy_gte_function_builder(name, versions):
+    """
+    Build and return a version comparison function.
+
+    Ex: name = 'oo_version_gte_3_1_or_1_1'
+        versions = {'enterprise': '3.1', 'origin': '1.1'}
+
+        returns oo_version_gte_3_1_or_1_1, a function which based on the
+        version and deployment type will return true if the provided
+        version is greater than or equal to the function's version
+    """
+    enterprise_version = versions['enterprise']
+    origin_version = versions['origin']
+
+    def _gte_function(version, deployment_type):
+        """
+        Dynamic function created by gte_function_builder.
+
+        Ex: version = '3.1'
+            deployment_type = 'openshift-enterprise'
+            returns True/False
+        """
+        version_gte = False
+        if 'enterprise' in deployment_type:
+            if str(version) >= LooseVersion(enterprise_version):
+                version_gte = True
+        elif 'origin' in deployment_type:
+            if str(version) >= LooseVersion(origin_version):
+                version_gte = True
+        return version_gte
+    _gte_function.__name__ = name
+    return _gte_function
+
+
+def gte_function_builder(name, gte_version):
+    """
+    Build and return a version comparison function.
+
+    Ex: name = 'oo_version_gte_3_6'
+        version = '3.6'
+
+        returns oo_version_gte_3_6, a function which based on the
+        version will return true if the provided version is greater
+        than or equal to the function's version
+    """
+    def _gte_function(version):
+        """
+        Dynamic function created by gte_function_builder.
+
+        Ex: version = '3.1'
+            returns True/False
+        """
+        version_gte = False
+        if str(version) >= LooseVersion(gte_version):
+            version_gte = True
+        return version_gte
+    _gte_function.__name__ = name
+    return _gte_function
+
+
+# pylint: disable=too-few-public-methods
+class FilterModule(object):
+    """
+    Filters for version checking.
+    """
+    # Each element of versions is composed of (major, minor_start, minor_end)
+    # Origin began versioning 3.x with 3.6, so begin 3.x with 3.6.
+    versions = [(3, 6, 10)]
+
+    def __init__(self):
+        """
+        Creates a new FilterModule for ose version checking.
+        """
+        self._filters = {}
+
+        # For each set of (major, minor, minor_iterations)
+        for major, minor_start, minor_end in self.versions:
+            # For each minor version in the range
+            for minor in range(minor_start, minor_end):
+                # Create the function name
+                func_name = 'oo_version_gte_{}_{}'.format(major, minor)
+                # Create the function with the builder
+                func = gte_function_builder(func_name, "{}.{}.0".format(major, minor))
+                # Add the function to the mapping
+                self._filters[func_name] = func
+
+        # Create filters with special versioning requirements.
+        # Treat all Origin 1.x as special case.
+        legacy_filters = [{'name': 'oo_version_gte_3_1_or_1_1',
+                           'versions': {'enterprise': '3.0.2.905',
+                                        'origin': '1.1.0'}},
+                          {'name': 'oo_version_gte_3_1_1_or_1_1_1',
+                           'versions': {'enterprise': '3.1.1',
+                                        'origin': '1.1.1'}},
+                          {'name': 'oo_version_gte_3_2_or_1_2',
+                           'versions': {'enterprise': '3.1.1.901',
+                                        'origin': '1.2.0'}},
+                          {'name': 'oo_version_gte_3_3_or_1_3',
+                           'versions': {'enterprise': '3.3.0',
+                                        'origin': '1.3.0'}},
+                          {'name': 'oo_version_gte_3_4_or_1_4',
+                           'versions': {'enterprise': '3.4.0',
+                                        'origin': '1.4.0'}},
+                          {'name': 'oo_version_gte_3_5_or_1_5',
+                           'versions': {'enterprise': '3.5.0',
+                                        'origin': '1.5.0'}}]
+        for legacy_filter in legacy_filters:
+            self._filters[legacy_filter['name']] = legacy_gte_function_builder(legacy_filter['name'],
+                                                                               legacy_filter['versions'])
+
+    def filters(self):
+        """
+        Return the filters mapping.
+        """
+        return self._filters