From d3cd981326c98984117ae6fd768d63c39257de69 Mon Sep 17 00:00:00 2001
From: Kenny Woodson <kwoodson@redhat.com>
Date: Mon, 3 Jul 2017 16:33:30 -0400
Subject: Adding storageclass support to lib_openshift.

---
 roles/lib_openshift/src/ansible/oc_storageclass.py |  32 +++++
 roles/lib_openshift/src/class/oc_storageclass.py   | 147 +++++++++++++++++++++
 roles/lib_openshift/src/doc/storageclass           |  86 ++++++++++++
 roles/lib_openshift/src/lib/storageclass.py        |  72 ++++++++++
 roles/lib_openshift/src/sources.yml                |  11 ++
 .../src/test/integration/oc_storageclass.yml       |  87 ++++++++++++
 .../src/test/unit/test_oc_storageclass.py          |  93 +++++++++++++
 7 files changed, 528 insertions(+)
 create mode 100644 roles/lib_openshift/src/ansible/oc_storageclass.py
 create mode 100644 roles/lib_openshift/src/class/oc_storageclass.py
 create mode 100644 roles/lib_openshift/src/doc/storageclass
 create mode 100644 roles/lib_openshift/src/lib/storageclass.py
 create mode 100755 roles/lib_openshift/src/test/integration/oc_storageclass.yml
 create mode 100755 roles/lib_openshift/src/test/unit/test_oc_storageclass.py

(limited to 'roles/lib_openshift/src')

diff --git a/roles/lib_openshift/src/ansible/oc_storageclass.py b/roles/lib_openshift/src/ansible/oc_storageclass.py
new file mode 100644
index 000000000..2bd8f18d5
--- /dev/null
+++ b/roles/lib_openshift/src/ansible/oc_storageclass.py
@@ -0,0 +1,32 @@
+# pylint: skip-file
+# flake8: noqa
+
+def main():
+    '''
+    ansible oc module for storageclass
+    '''
+
+    module = AnsibleModule(
+        argument_spec=dict(
+            kubeconfig=dict(default='/etc/origin/master/admin.kubeconfig', type='str'),
+            state=dict(default='present', type='str', choices=['present', 'absent', 'list']),
+            debug=dict(default=False, type='bool'),
+            name=dict(default=None, type='str'),
+            annotations=dict(default=None, type='dict'),
+            parameters=dict(default=None, type='dict'),
+            provisioner=dict(default='aws-ebs', type='str', choices=['aws-ebs', 'gce-pd', 'glusterfs', 'cinder']),
+            api_version=dict(default='v1', type='str'),
+            default_storage_class=dict(default="false", type='str'),
+        ),
+        supports_check_mode=True,
+    )
+
+    rval = OCStorageClass.run_ansible(module.params, module.check_mode)
+    if 'failed' in rval:
+        return module.fail_json(**rval)
+
+    return module.exit_json(**rval)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/roles/lib_openshift/src/class/oc_storageclass.py b/roles/lib_openshift/src/class/oc_storageclass.py
new file mode 100644
index 000000000..6c62c7bd8
--- /dev/null
+++ b/roles/lib_openshift/src/class/oc_storageclass.py
@@ -0,0 +1,147 @@
+# pylint: skip-file
+# flake8: noqa
+
+# pylint: disable=too-many-instance-attributes
+class OCStorageClass(OpenShiftCLI):
+    ''' Class to wrap the oc command line tools '''
+    kind = 'sc'
+
+    # pylint allows 5
+    # pylint: disable=too-many-arguments
+    def __init__(self,
+                 config,
+                 verbose=False):
+        ''' Constructor for OCStorageClass '''
+        super(OCStorageClass, self).__init__(None, kubeconfig=config.kubeconfig, verbose=verbose)
+        self.config = config
+        self.storage_class = None
+
+    def exists(self):
+        ''' return whether a storageclass exists'''
+        if self.storage_class:
+            return True
+
+        return False
+
+    def get(self):
+        '''return storageclass '''
+        result = self._get(self.kind, self.config.name)
+        if result['returncode'] == 0:
+            self.storage_class = StorageClass(content=result['results'][0])
+        elif '\"%s\" not found' % self.config.name in result['stderr']:
+            result['returncode'] = 0
+            result['results'] = [{}]
+
+        return result
+
+    def delete(self):
+        '''delete the object'''
+        return self._delete(self.kind, self.config.name)
+
+    def create(self):
+        '''create the object'''
+        return self._create_from_content(self.config.name, self.config.data)
+
+    def update(self):
+        '''update the object'''
+        # parameters are currently unable to be updated.  need to delete and recreate
+        self.delete()
+        return self.create()
+
+    def needs_update(self):
+        ''' verify an update is needed '''
+        # check if params have updated
+        if self.storage_class.get_parameters() == self.config.parameters:
+            return False
+
+        return True
+
+    @staticmethod
+    # pylint: disable=too-many-return-statements,too-many-branches
+    # TODO: This function should be refactored into its individual parts.
+    def run_ansible(params, check_mode):
+        '''run the ansible idempotent code'''
+
+        rconfig = StorageClassConfig(params['name'],
+                                     provisioner="kubernetes.io/{}".format(params['provisioner']),
+                                     parameters=params['parameters'],
+                                     annotations=params['annotations'],
+                                     api_version="storage.k8s.io/{}".format(params['api_version']),
+                                     default_sc=params['default_storage_class'],
+                                     kubeconfig=params['kubeconfig'],
+                                    )
+
+        oc_sc = OCStorageClass(rconfig, verbose=params['debug'])
+
+        state = params['state']
+
+        api_rval = oc_sc.get()
+
+        #####
+        # Get
+        #####
+        if state == 'list':
+            return {'changed': False, 'results': api_rval['results'], 'state': 'list'}
+
+        ########
+        # Delete
+        ########
+        if state == 'absent':
+            if oc_sc.exists():
+
+                if check_mode:
+                    return {'changed': True, 'msg': 'Would have performed a delete.'}
+
+                api_rval = oc_sc.delete()
+
+                return {'changed': True, 'results': api_rval, 'state': 'absent'}
+
+            return {'changed': False, 'state': 'absent'}
+
+        if state == 'present':
+            ########
+            # Create
+            ########
+            if not oc_sc.exists():
+
+                if check_mode:
+                    return {'changed': True, 'msg': 'Would have performed a create.'}
+
+                # Create it here
+                api_rval = oc_sc.create()
+
+                if api_rval['returncode'] != 0:
+                    return {'failed': True, 'msg': api_rval}
+
+                # return the created object
+                api_rval = oc_sc.get()
+
+                if api_rval['returncode'] != 0:
+                    return {'failed': True, 'msg': api_rval}
+
+                return {'changed': True, 'results': api_rval, 'state': 'present'}
+
+            ########
+            # Update
+            ########
+            if oc_sc.needs_update():
+                api_rval = oc_sc.update()
+
+                if api_rval['returncode'] != 0:
+                    return {'failed': True, 'msg': api_rval}
+
+                # return the created object
+                api_rval = oc_sc.get()
+
+                if api_rval['returncode'] != 0:
+                    return {'failed': True, 'msg': api_rval}
+
+                return {'changed': True, 'results': api_rval, 'state': 'present'}
+
+            return {'changed': False, 'results': api_rval, 'state': 'present'}
+
+
+        return {'failed': True,
+                'changed': False,
+                'msg': 'Unknown state passed. %s' % state,
+                'state': 'unknown'}
diff --git a/roles/lib_openshift/src/doc/storageclass b/roles/lib_openshift/src/doc/storageclass
new file mode 100644
index 000000000..278c0b5b3
--- /dev/null
+++ b/roles/lib_openshift/src/doc/storageclass
@@ -0,0 +1,86 @@
+# flake8: noqa
+# pylint: skip-file
+
+DOCUMENTATION = '''
+---
+module: oc_storageclass
+short_description: Create, modify, and idempotently manage openshift storageclasses.
+description:
+  - Manage openshift storageclass objects programmatically.
+options:
+  state:
+    description:
+    - State represents whether to create, modify, delete, or list
+    required: False
+    default: present
+    choices: ["present", "absent", "list"]
+    aliases: []
+  kubeconfig:
+    description:
+    - The path for the kubeconfig file to use for authentication
+    required: false
+    default: /etc/origin/master/admin.kubeconfig
+    aliases: []
+  debug:
+    description:
+    - Turn on debug output.
+    required: false
+    default: False
+    aliases: []
+  name:
+    description:
+    - Name of the object that is being queried.
+    required: false
+    default: None
+    aliases: []
+  provisioner:
+    description:
+    - Any annotations to add to the storageclass
+    required: false
+    default: 'aws-ebs'
+    aliases: []
+  default_storage_class:
+    description:
+    - Whether or not this is the default storage class
+    required: false
+    default: False
+    aliases: []
+  parameters:
+    description:
+    - A dictionary with the parameters to configure the storageclass.  This will be based on provisioner
+    required: false
+    default: None
+    aliases: []
+  api_version:
+    description:
+    - The api version.
+    required: false
+    default: v1
+    aliases: []
+author:
+- "Kenny Woodson <kwoodson@redhat.com>"
+extends_documentation_fragment: []
+'''
+
+EXAMPLES = '''
+- name: get storageclass
+  run_once: true
+  oc_storageclass:
+    name: gp2
+    state: list
+  register: registry_sc_out
+
+- name: create the storageclass
+  oc_storageclass:
+  run_once: true
+    name: gp2
+    parameters:
+      type: gp2
+      encrypted: 'true'
+      kmsKeyId: '<full kms key arn>'
+    provisioner: aws-ebs
+    default_sc: False
+  register: sc_out
+  notify:
+  - restart openshift master services
+'''
diff --git a/roles/lib_openshift/src/lib/storageclass.py b/roles/lib_openshift/src/lib/storageclass.py
new file mode 100644
index 000000000..958bb2876
--- /dev/null
+++ b/roles/lib_openshift/src/lib/storageclass.py
@@ -0,0 +1,72 @@
+# pylint: skip-file
+# flake8: noqa
+
+
+# pylint: disable=too-many-instance-attributes
+class StorageClassConfig(object):
+    ''' Handle service options '''
+    # pylint: disable=too-many-arguments
+    def __init__(self,
+                 name,
+                 provisioner=None,
+                 parameters=None,
+                 annotations=None,
+                 default_sc="false",
+                 api_version='v1',
+                 kubeconfig='/etc/origin/master/admin.kubeconfig'):
+        ''' constructor for handling storageclass options '''
+        self.name = name
+        self.parameters = parameters
+        self.annotations = annotations
+        self.provisioner = provisioner
+        self.api_version = api_version
+        self.default_sc = default_sc
+        self.kubeconfig = kubeconfig
+        self.data = {}
+
+        self.create_dict()
+
+    def create_dict(self):
+        ''' instantiates a storageclass dict '''
+        self.data['apiVersion'] = self.api_version
+        self.data['kind'] = 'StorageClass'
+        self.data['metadata'] = {}
+        self.data['metadata']['name'] = self.name
+
+        self.data['metadata']['annotations'] = {}
+        self.data['metadata']['annotations']['storageclass.beta.kubernetes.io/is-default-class'] = self.default_sc
+
+        if self.provisioner is None:
+            self.data['provisioner'] = 'kubernetes.io/aws-ebs'
+        else:
+            self.data['provisioner'] = self.provisioner
+
+        self.data['parameters'] = {}
+        if self.parameters is not None:
+            self.data['parameters'].update(self.parameters)
+
+        # default to aws if no params were passed
+        else:
+            self.data['parameters']['type'] = 'gp2'
+
+
+
+# pylint: disable=too-many-instance-attributes,too-many-public-methods
+class StorageClass(Yedit):
+    ''' Class to model the oc storageclass object '''
+    annotations_path = "metadata.annotations"
+    provisioner_path = "provisioner"
+    parameters_path = "parameters"
+    kind = 'StorageClass'
+
+    def __init__(self, content):
+        '''StorageClass constructor'''
+        super(StorageClass, self).__init__(content=content)
+
+    def get_annotations(self):
+        ''' get a list of ports '''
+        return self.get(StorageClass.annotations_path) or {}
+
+    def get_parameters(self):
+        ''' get the service selector'''
+        return self.get(StorageClass.parameters_path) or {}
diff --git a/roles/lib_openshift/src/sources.yml b/roles/lib_openshift/src/sources.yml
index 9fa2a6c0e..e9b6bf261 100644
--- a/roles/lib_openshift/src/sources.yml
+++ b/roles/lib_openshift/src/sources.yml
@@ -263,6 +263,17 @@ oc_service.py:
 - class/oc_service.py
 - ansible/oc_service.py
 
+oc_storageclass.py:
+- doc/generated
+- doc/license
+- lib/import.py
+- doc/storageclass
+- ../../lib_utils/src/class/yedit.py
+- lib/base.py
+- lib/storageclass.py
+- class/oc_storageclass.py
+- ansible/oc_storageclass.py
+
 oc_user.py:
 - doc/generated
 - doc/license
diff --git a/roles/lib_openshift/src/test/integration/oc_storageclass.yml b/roles/lib_openshift/src/test/integration/oc_storageclass.yml
new file mode 100755
index 000000000..c82f9dedb
--- /dev/null
+++ b/roles/lib_openshift/src/test/integration/oc_storageclass.yml
@@ -0,0 +1,87 @@
+#!/usr/bin/ansible-playbook --module-path=../../../library/
+# ./oc_storageclass.yml -M ../../../library -e "cli_master_test=$OPENSHIFT_MASTER
+---
+- hosts: "{{ cli_master_test }}"
+  gather_facts: no
+  user: root
+  tasks:
+  - name: create a storageclass
+    oc_storageclass:
+      name: testsc
+      parameters:
+        type: gp2
+      default_storage_class: "true"
+    register: sc_out
+  - debug: var=sc_out
+
+  - assert:
+      that:
+      - "sc_out.results.results[0]['metadata']['name'] == 'testsc'"
+      - sc_out.changed
+      - "sc_out.results.results[0]['parameters']['type'] == 'gp2'"
+      msg: storageclass create failed.
+
+  # Test idempotent create
+  - name: NOOP create the storageclass
+    oc_storageclass:
+      name: testsc
+      parameters:
+        type: gp2
+      default_storage_class: "true"
+    register: sc_out
+
+  - assert:
+      that:
+      - "sc_out.results.results[0]['metadata']['name'] == 'testsc'"
+      - sc_out.changed == False
+      msg: storageclass create failed.  No changes expected
+
+  - name: test list storageclass
+    oc_storageclass:
+      name: testsc
+      state: list
+    register: sc_out
+  - debug: var=sc_out
+
+  - assert:
+      that: "sc_out.results[0]['metadata']['name'] == 'testsc'"
+      msg: storageclass list failed
+
+  - name: update the storageclass
+    oc_storageclass:
+      name: testsc
+      parameters:
+        type: gp2
+        encrypted: "true"
+      default_storage_class: "true"
+    register: sc_out
+
+  - assert:
+      that: "sc_out.results.results[0]['parameters']['encrypted'] == 'true'"
+      msg: storageclass update failed
+
+  - name: oc delete storageclass
+    oc_storageclass:
+      name: testsc
+      state: absent
+    register: sc_out
+  - debug: var=sc_out
+
+  - assert:
+      that:
+      - "sc_out.results['returncode'] == 0"
+      - "sc_out.results.results == {}"
+      msg: storageclass delete failed
+
+  - name: oc get storageclass
+    oc_storageclass:
+      name: testsc
+      state: list
+    register: sc_out
+  - debug: var=sc_out
+
+  - assert:
+      that:
+      - sc_out.changed == False
+      - "sc_out.results == [{}]"
+      msg: storageclass get failed
diff --git a/roles/lib_openshift/src/test/unit/test_oc_storageclass.py b/roles/lib_openshift/src/test/unit/test_oc_storageclass.py
new file mode 100755
index 000000000..f3cc4a76f
--- /dev/null
+++ b/roles/lib_openshift/src/test/unit/test_oc_storageclass.py
@@ -0,0 +1,93 @@
+'''
+ Unit tests for oc serviceaccount
+'''
+
+import os
+import sys
+import unittest
+import mock
+
+# Removing invalid variable names for tests so that I can
+# keep them brief
+# pylint: disable=invalid-name,no-name-in-module
+# Disable import-error b/c our libraries aren't loaded in jenkins
+# pylint: disable=import-error
+# place class in our python path
+module_path = os.path.join('/'.join(os.path.realpath(__file__).split('/')[:-4]), 'library')  # noqa: E501
+sys.path.insert(0, module_path)
+from oc_storageclass import OCStorageClass  # noqa: E402
+
+
+class OCStorageClassTest(unittest.TestCase):
+    '''
+     Test class for OCStorageClass
+    '''
+    params = {'kubeconfig': '/etc/origin/master/admin.kubeconfig',
+              'state': 'present',
+              'debug': False,
+              'name': 'testsc',
+              'provisioner': 'kubernetes.io/aws-ebs',
+              'annotations': {'storageclass.beta.kubernetes.io/is-default-class': "true"},
+              'parameters': {'type': 'gp2'},
+              'api_version': 'v1',
+              'default_storage_class': 'true'}
+
+    @mock.patch('oc_storageclass.locate_oc_binary')
+    @mock.patch('oc_storageclass.Utils.create_tmpfile_copy')
+    @mock.patch('oc_storageclass.OCStorageClass._run')
+    def test_adding_a_storageclass(self, mock_cmd, mock_tmpfile_copy, mock_oc_binary):
+        ''' Testing adding a storageclass '''
+
+        # Arrange
+
+        # run_ansible input parameters
+
+        valid_result_json = '''{
+            "kind": "StorageClass",
+            "apiVersion": "v1",
+            "metadata": {
+                "name": "testsc",
+                "selfLink": "/apis/storage.k8s.io/v1/storageclasses/gp2",
+                "uid": "4d8320c9-e66f-11e6-8edc-0eece8f2ce22",
+                "resourceVersion": "2828",
+                "creationTimestamp": "2017-01-29T22:07:19Z",
+                "annotations": {"storageclass.beta.kubernetes.io/is-default-class": "true"}
+            },
+            "provisioner": "kubernetes.io/aws-ebs",
+            "parameters": {"type": "gp2"}
+        }'''
+
+        # Return values of our mocked function call. These get returned once per call.
+        mock_cmd.side_effect = [
+            # First call to mock
+            (1, '', 'Error from server: storageclass "testsc" not found'),
+
+            # Second call to mock
+            (0, 'storageclass "testsc" created', ''),
+
+            # Third call to mock
+            (0, valid_result_json, ''),
+        ]
+
+        mock_oc_binary.side_effect = [
+            'oc'
+        ]
+
+        mock_tmpfile_copy.side_effect = [
+            '/tmp/mocked_kubeconfig',
+        ]
+
+        # Act
+        results = OCStorageClass.run_ansible(OCStorageClassTest.params, False)
+
+        # Assert
+        self.assertTrue(results['changed'])
+        self.assertEqual(results['results']['returncode'], 0)
+        self.assertEqual(results['state'], 'present')
+
+        # Making sure our mock was called as we expected
+        mock_cmd.assert_has_calls([
+            mock.call(['oc', 'get', 'sc', 'testsc', '-o', 'json'], None),
+            mock.call(['oc', 'create', '-f', mock.ANY], None),
+            mock.call(['oc', 'get', 'sc', 'testsc', '-o', 'json'], None),
+        ])
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