Merge pull request #419 from rjeffman/util_check_api_version

Add FreeIPA version check to module_utils.ansible_freeipa_module.

README-permission.md

@@ -141,7 +141,7 @@ Variable | Description | Required
 `name` \| `cn` | The permission name string. | yes
 `right` \| `ipapermright` | Rights to grant. It can be a list of one or more of `read`, `search`, `compare`, `write`, `add`, `delete`, and `all` default: `all` | no
 `attrs` | All attributes to which the permission applies | no
-`bindtype` \| `ipapermbindruletype` | Bind rule type. It can be one of `permission`, `all`, `self`, or `anonymous` defaults to `permission` for new permissions.| no
+`bindtype` \| `ipapermbindruletype` | Bind rule type. It can be one of `permission`, `all`, `self`, or `anonymous` defaults to `permission` for new permissions. Bind rule type `self` can only be used on IPA versions 4.8.7 or up.| no
 `subtree` \| `ipapermlocation` | Subtree to apply permissions to | no
 `filter` \| `extratargetfilter` | Extra target filter | no
 `rawfilter` \| `ipapermtargetfilter` | All target filters | no

plugins/module_utils/ansible_freeipa_module.py

@@ -23,6 +23,7 @@
 
 
 import sys
+import operator
 import os
 import uuid
 import tempfile
@@ -30,6 +31,25 @@ import shutil
 import gssapi
 from datetime import datetime
 from pprint import pformat
+
+try:
+    from packaging import version
+except ImportError:
+    # If `packaging` not found, split version string for creating version
+    # object. Although it is not PEP 440 compliant, it will work for stable
+    # FreeIPA releases.
+    import re
+
+    class version:
+        @staticmethod
+        def parse(version_str):
+            """
+            Split a version string A.B.C, into a tuple.
+
+            This will not work for `rc`, `dev` or similar version string.
+            """
+            return tuple(re.split("[-_\.]", version_str))  # noqa: W605
+
 from ipalib import api
 from ipalib import errors as ipalib_errors  # noqa
 from ipalib.config import Env
@@ -41,6 +61,7 @@ except ImportError:
     from ipapython.ipautil import kinit_password, kinit_keytab
 from ipapython.ipautil import run
 from ipapython.dn import DN
+from ipapython.version import VERSION
 from ipaplatform.paths import paths
 from ipalib.krb_utils import get_credentials_if_valid
 from ansible.module_utils.basic import AnsibleModule
@@ -187,6 +208,26 @@ def api_check_param(command, name):
     return name in api.Command[command].params
 
 
+def api_check_ipa_version(oper, requested_version):
+    """
+    Compare the installed IPA version against a requested version.
+
+    The valid operators are: <, <=, >, >=, ==, !=
+    """
+    oper_map = {
+        "<": operator.lt,
+        "<=": operator.le,
+        ">": operator.gt,
+        ">=": operator.ge,
+        "==": operator.eq,
+        "!=": operator.ne,
+    }
+    operation = oper_map.get(oper)
+    if not(operation):
+        raise NotImplementedError("Invalid operator: %s" % oper)
+    return operation(version.parse(VERSION), version.parse(requested_version))
+
+
 def execute_api_command(module, principal, password, command, name, args):
     """
     Execute an API command.

plugins/modules/ipapermission.py

@@ -152,7 +152,8 @@ RETURN = """
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.ansible_freeipa_module import \
     temp_kinit, temp_kdestroy, valid_creds, api_connect, api_command, \
-    compare_args_ipa, module_params_get, gen_add_del_lists
+    compare_args_ipa, module_params_get, gen_add_del_lists, \
+    api_check_ipa_version
 import six
 
 if six.PY3:
@@ -336,6 +337,10 @@ def main():
                 msg="Argument '%s' can not be used with action "
                 "'%s' and state '%s'" % (x, action, state))
 
+    if bindtype == "self" and api_check_ipa_version("<", "4.8.7"):
+        ansible_module.fail_json(
+            msg="Bindtype 'self' is not supported by your IPA version.")
+
     # Init
 
     changed = False

tests/permission/test_permission.yml

@@ -4,15 +4,19 @@
   become: true
 
   tasks:
+  - include_tasks: ../env_freeipa_facts.yml
 
   # CLEANUP TEST ITEMS
 
   - name: Ensure permission perm-test-1 is absent
     ipapermission:
       ipaadmin_password: SomeADMINpassword
-      name: perm-test-1
+      name:
+      - perm-test-1
+      - perm-test-bindtype-test
+      - perm-test-renamed
       state: absent
-   
+
   # TESTS
 
   - name: Ensure permission perm-test-1 is present
@@ -38,7 +42,7 @@
       ipaadmin_password: SomeADMINpassword
       name: perm-test-1
       privilege: "User Administrators"
-      action: member      
+      action: member
     register: result
     failed_when: not result.changed or result.failed
 
@@ -89,7 +93,7 @@
       state: absent
     register: result
     failed_when: result.changed or result.failed
-    
+
   - name: Ensure permission perm-test-renamed is present
     ipapermission:
       ipaadmin_password: SomeADMINpassword
@@ -99,16 +103,35 @@
     register: result
     failed_when: result.changed or result.failed
 
+  - name: Ensure permission with bindtype 'self' is present, if IPA version >= 4.8.7
+    ipapermission:
+      ipaadmin_password: SomeADMINpassword
+      name: perm-test-bindtype-test
+      bindtype: self
+      object_type: host
+      right: all
+    when: ipa_version is version('4.8.7', '>=')
+    register: result
+    failed_when: not result.changed or result.failed
+
+  - name: Fail to set permission perm-test-renamed bindtype to 'self', if IPA version < 4.8.7
+    ipapermission:
+      ipaadmin_password: SomeADMINpassword
+      name: perm-test-bindtype-test
+      bindtype: self
+      object_type: host
+      right: all
+    when: ipa_version is version('4.8.7', '<')
+    register: result
+    failed_when: not result.failed or "Bindtype 'self' is not supported by your IPA version." not in result.msg
+
   # CLEANUP TEST ITEMS
 
   - name: Ensure permission perm-test-1 is absent
     ipapermission:
       ipaadmin_password: SomeADMINpassword
-      name: perm-test-1
-      state: absent
-
-  - name: Ensure permission perm-test-renamed is absent
-    ipapermission:
-      ipaadmin_password: SomeADMINpassword
-      name: perm-test-renamed
+      name:
+      - perm-test-1
+      - perm-test-bindtype-test
+      - perm-test-renamed
       state: absent