Adding oc_scale to lib_openshift.

6 files changed, 1553 insertions, 0 deletions

diff --git a/roles/lib_openshift/library/oc_scale.py b/roles/lib_openshift/library/oc_scale.py
new file mode 100644
index 000000000..d9a12e00c
--- /dev/null
+++ b/roles/lib_openshift/library/oc_scale.py
@@ -0,0 +1,1322 @@
+#!/usr/bin/env python
+# pylint: disable=missing-docstring
+# flake8: noqa: T001
+#     ___ ___ _  _ ___ ___    _ _____ ___ ___
+#    / __| __| \| | __| _ \  /_\_   _| __|   \
+#   | (_ | _|| .` | _||   / / _ \| | | _|| |) |
+#    \___|___|_|\_|___|_|_\/_/_\_\_|_|___|___/_ _____
+#   |   \ / _ \  | \| |/ _ \_   _| | __|   \_ _|_   _|
+#   | |) | (_) | | .` | (_) || |   | _|| |) | |  | |
+#   |___/ \___/  |_|\_|\___/ |_|   |___|___/___| |_|
+#
+# Copyright 2016 Red Hat, Inc. and/or its affiliates
+# and other contributors as indicated by the @author tags.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+'''
+   OpenShiftCLI class that wraps the oc commands in a subprocess
+'''
+# pylint: disable=too-many-lines
+
+from __future__ import print_function
+import atexit
+import json
+import os
+import re
+import shutil
+import subprocess
+# pylint: disable=import-error
+import ruamel.yaml as yaml
+from ansible.module_utils.basic import AnsibleModule
+
+DOCUMENTATION = '''
+---
+module: oc_scale
+short_description: Manage openshift services through the scale parameters
+description:
+  - Manage openshift services through scaling them.
+options:
+  state:
+    description:
+    - State represents whether to create, modify, delete, or list
+    required: true
+    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: []
+  namespace:
+    description:
+    - The namespace where the object lives.
+    required: false
+    default: str
+    aliases: []
+  kind:
+    description:
+    - The kind of object to scale.
+    required: false
+    default: None
+    choices:
+    - rc
+    - dc
+    aliases: []
+author:
+- "Kenny Woodson <kwoodson@redhat.com>"
+extends_documentation_fragment: []
+'''
+
+EXAMPLES = '''
+- name: scale down a rc to 0
+  oc_scale:
+    name: my-replication-controller
+    kind: rc
+    namespace: openshift-infra
+    replicas: 0
+
+- name: scale up a deploymentconfig to 2
+  oc_scale:
+    name: php
+    kind: dc
+    namespace: my-php-app
+    replicas: 2
+'''
+# noqa: E301,E302
+
+
+class YeditException(Exception):
+    ''' Exception class for Yedit '''
+    pass
+
+
+# pylint: disable=too-many-public-methods
+class Yedit(object):
+    ''' Class to modify yaml files '''
+    re_valid_key = r"(((\[-?\d+\])|([0-9a-zA-Z%s/_-]+)).?)+$"
+    re_key = r"(?:\[(-?\d+)\])|([0-9a-zA-Z%s/_-]+)"
+    com_sep = set(['.', '#', '|', ':'])
+
+    # pylint: disable=too-many-arguments
+    def __init__(self,
+                 filename=None,
+                 content=None,
+                 content_type='yaml',
+                 separator='.',
+                 backup=False):
+        self.content = content
+        self._separator = separator
+        self.filename = filename
+        self.__yaml_dict = content
+        self.content_type = content_type
+        self.backup = backup
+        self.load(content_type=self.content_type)
+        if self.__yaml_dict is None:
+            self.__yaml_dict = {}
+
+    @property
+    def separator(self):
+        ''' getter method for yaml_dict '''
+        return self._separator
+
+    @separator.setter
+    def separator(self):
+        ''' getter method for yaml_dict '''
+        return self._separator
+
+    @property
+    def yaml_dict(self):
+        ''' getter method for yaml_dict '''
+        return self.__yaml_dict
+
+    @yaml_dict.setter
+    def yaml_dict(self, value):
+        ''' setter method for yaml_dict '''
+        self.__yaml_dict = value
+
+    @staticmethod
+    def parse_key(key, sep='.'):
+        '''parse the key allowing the appropriate separator'''
+        common_separators = list(Yedit.com_sep - set([sep]))
+        return re.findall(Yedit.re_key % ''.join(common_separators), key)
+
+    @staticmethod
+    def valid_key(key, sep='.'):
+        '''validate the incoming key'''
+        common_separators = list(Yedit.com_sep - set([sep]))
+        if not re.match(Yedit.re_valid_key % ''.join(common_separators), key):
+            return False
+
+        return True
+
+    @staticmethod
+    def remove_entry(data, key, sep='.'):
+        ''' remove data at location key '''
+        if key == '' and isinstance(data, dict):
+            data.clear()
+            return True
+        elif key == '' and isinstance(data, list):
+            del data[:]
+            return True
+
+        if not (key and Yedit.valid_key(key, sep)) and \
+           isinstance(data, (list, dict)):
+            return None
+
+        key_indexes = Yedit.parse_key(key, sep)
+        for arr_ind, dict_key in key_indexes[:-1]:
+            if dict_key and isinstance(data, dict):
+                data = data.get(dict_key, None)
+            elif (arr_ind and isinstance(data, list) and
+                  int(arr_ind) <= len(data) - 1):
+                data = data[int(arr_ind)]
+            else:
+                return None
+
+        # process last index for remove
+        # expected list entry
+        if key_indexes[-1][0]:
+            if isinstance(data, list) and int(key_indexes[-1][0]) <= len(data) - 1:  # noqa: E501
+                del data[int(key_indexes[-1][0])]
+                return True
+
+        # expected dict entry
+        elif key_indexes[-1][1]:
+            if isinstance(data, dict):
+                del data[key_indexes[-1][1]]
+                return True
+
+    @staticmethod
+    def add_entry(data, key, item=None, sep='.'):
+        ''' Get an item from a dictionary with key notation a.b.c
+            d = {'a': {'b': 'c'}}}
+            key = a#b
+            return c
+        '''
+        if key == '':
+            pass
+        elif (not (key and Yedit.valid_key(key, sep)) and
+              isinstance(data, (list, dict))):
+            return None
+
+        key_indexes = Yedit.parse_key(key, sep)
+        for arr_ind, dict_key in key_indexes[:-1]:
+            if dict_key:
+                if isinstance(data, dict) and dict_key in data and data[dict_key]:  # noqa: E501
+                    data = data[dict_key]
+                    continue
+
+                elif data and not isinstance(data, dict):
+                    return None
+
+                data[dict_key] = {}
+                data = data[dict_key]
+
+            elif (arr_ind and isinstance(data, list) and
+                  int(arr_ind) <= len(data) - 1):
+                data = data[int(arr_ind)]
+            else:
+                return None
+
+        if key == '':
+            data = item
+
+        # process last index for add
+        # expected list entry
+        elif key_indexes[-1][0] and isinstance(data, list) and int(key_indexes[-1][0]) <= len(data) - 1:  # noqa: E501
+            data[int(key_indexes[-1][0])] = item
+
+        # expected dict entry
+        elif key_indexes[-1][1] and isinstance(data, dict):
+            data[key_indexes[-1][1]] = item
+
+        return data
+
+    @staticmethod
+    def get_entry(data, key, sep='.'):
+        ''' Get an item from a dictionary with key notation a.b.c
+            d = {'a': {'b': 'c'}}}
+            key = a.b
+            return c
+        '''
+        if key == '':
+            pass
+        elif (not (key and Yedit.valid_key(key, sep)) and
+              isinstance(data, (list, dict))):
+            return None
+
+        key_indexes = Yedit.parse_key(key, sep)
+        for arr_ind, dict_key in key_indexes:
+            if dict_key and isinstance(data, dict):
+                data = data.get(dict_key, None)
+            elif (arr_ind and isinstance(data, list) and
+                  int(arr_ind) <= len(data) - 1):
+                data = data[int(arr_ind)]
+            else:
+                return None
+
+        return data
+
+    def write(self):
+        ''' write to file '''
+        if not self.filename:
+            raise YeditException('Please specify a filename.')
+
+        if self.backup and self.file_exists():
+            shutil.copy(self.filename, self.filename + '.orig')
+
+        tmp_filename = self.filename + '.yedit'
+        with open(tmp_filename, 'w') as yfd:
+            # pylint: disable=no-member
+            if hasattr(self.yaml_dict, 'fa'):
+                self.yaml_dict.fa.set_block_style()
+
+            yfd.write(yaml.dump(self.yaml_dict, Dumper=yaml.RoundTripDumper))
+
+        os.rename(tmp_filename, self.filename)
+
+        return (True, self.yaml_dict)
+
+    def read(self):
+        ''' read from file '''
+        # check if it exists
+        if self.filename is None or not self.file_exists():
+            return None
+
+        contents = None
+        with open(self.filename) as yfd:
+            contents = yfd.read()
+
+        return contents
+
+    def file_exists(self):
+        ''' return whether file exists '''
+        if os.path.exists(self.filename):
+            return True
+
+        return False
+
+    def load(self, content_type='yaml'):
+        ''' return yaml file '''
+        contents = self.read()
+
+        if not contents and not self.content:
+            return None
+
+        if self.content:
+            if isinstance(self.content, dict):
+                self.yaml_dict = self.content
+                return self.yaml_dict
+            elif isinstance(self.content, str):
+                contents = self.content
+
+        # check if it is yaml
+        try:
+            if content_type == 'yaml' and contents:
+                self.yaml_dict = yaml.load(contents, yaml.RoundTripLoader)
+                # pylint: disable=no-member
+                if hasattr(self.yaml_dict, 'fa'):
+                    self.yaml_dict.fa.set_block_style()
+            elif content_type == 'json' and contents:
+                self.yaml_dict = json.loads(contents)
+        except yaml.YAMLError as err:
+            # Error loading yaml or json
+            raise YeditException('Problem with loading yaml file. %s' % err)
+
+        return self.yaml_dict
+
+    def get(self, key):
+        ''' get a specified key'''
+        try:
+            entry = Yedit.get_entry(self.yaml_dict, key, self.separator)
+        except KeyError:
+            entry = None
+
+        return entry
+
+    def pop(self, path, key_or_item):
+        ''' remove a key, value pair from a dict or an item for a list'''
+        try:
+            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+        except KeyError:
+            entry = None
+
+        if entry is None:
+            return (False, self.yaml_dict)
+
+        if isinstance(entry, dict):
+            # pylint: disable=no-member,maybe-no-member
+            if key_or_item in entry:
+                entry.pop(key_or_item)
+                return (True, self.yaml_dict)
+            return (False, self.yaml_dict)
+
+        elif isinstance(entry, list):
+            # pylint: disable=no-member,maybe-no-member
+            ind = None
+            try:
+                ind = entry.index(key_or_item)
+            except ValueError:
+                return (False, self.yaml_dict)
+
+            entry.pop(ind)
+            return (True, self.yaml_dict)
+
+        return (False, self.yaml_dict)
+
+    def delete(self, path):
+        ''' remove path from a dict'''
+        try:
+            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+        except KeyError:
+            entry = None
+
+        if entry is None:
+            return (False, self.yaml_dict)
+
+        result = Yedit.remove_entry(self.yaml_dict, path, self.separator)
+        if not result:
+            return (False, self.yaml_dict)
+
+        return (True, self.yaml_dict)
+
+    def exists(self, path, value):
+        ''' check if value exists at path'''
+        try:
+            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+        except KeyError:
+            entry = None
+
+        if isinstance(entry, list):
+            if value in entry:
+                return True
+            return False
+
+        elif isinstance(entry, dict):
+            if isinstance(value, dict):
+                rval = False
+                for key, val in value.items():
+                    if entry[key] != val:
+                        rval = False
+                        break
+                else:
+                    rval = True
+                return rval
+
+            return value in entry
+
+        return entry == value
+
+    def append(self, path, value):
+        '''append value to a list'''
+        try:
+            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+        except KeyError:
+            entry = None
+
+        if entry is None:
+            self.put(path, [])
+            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+        if not isinstance(entry, list):
+            return (False, self.yaml_dict)
+
+        # pylint: disable=no-member,maybe-no-member
+        entry.append(value)
+        return (True, self.yaml_dict)
+
+    # pylint: disable=too-many-arguments
+    def update(self, path, value, index=None, curr_value=None):
+        ''' put path, value into a dict '''
+        try:
+            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+        except KeyError:
+            entry = None
+
+        if isinstance(entry, dict):
+            # pylint: disable=no-member,maybe-no-member
+            if not isinstance(value, dict):
+                raise YeditException('Cannot replace key, value entry in ' +
+                                     'dict with non-dict type. value=[%s] [%s]' % (value, type(value)))  # noqa: E501
+
+            entry.update(value)
+            return (True, self.yaml_dict)
+
+        elif isinstance(entry, list):
+            # pylint: disable=no-member,maybe-no-member
+            ind = None
+            if curr_value:
+                try:
+                    ind = entry.index(curr_value)
+                except ValueError:
+                    return (False, self.yaml_dict)
+
+            elif index is not None:
+                ind = index
+
+            if ind is not None and entry[ind] != value:
+                entry[ind] = value
+                return (True, self.yaml_dict)
+
+            # see if it exists in the list
+            try:
+                ind = entry.index(value)
+            except ValueError:
+                # doesn't exist, append it
+                entry.append(value)
+                return (True, self.yaml_dict)
+
+            # already exists, return
+            if ind is not None:
+                return (False, self.yaml_dict)
+        return (False, self.yaml_dict)
+
+    def put(self, path, value):
+        ''' put path, value into a dict '''
+        try:
+            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+        except KeyError:
+            entry = None
+
+        if entry == value:
+            return (False, self.yaml_dict)
+
+        # deepcopy didn't work
+        tmp_copy = yaml.load(yaml.round_trip_dump(self.yaml_dict,
+                                                  default_flow_style=False),
+                             yaml.RoundTripLoader)
+        # pylint: disable=no-member
+        if hasattr(self.yaml_dict, 'fa'):
+            tmp_copy.fa.set_block_style()
+        result = Yedit.add_entry(tmp_copy, path, value, self.separator)
+        if not result:
+            return (False, self.yaml_dict)
+
+        self.yaml_dict = tmp_copy
+
+        return (True, self.yaml_dict)
+
+    def create(self, path, value):
+        ''' create a yaml file '''
+        if not self.file_exists():
+            # deepcopy didn't work
+            tmp_copy = yaml.load(yaml.round_trip_dump(self.yaml_dict, default_flow_style=False),  # noqa: E501
+                                 yaml.RoundTripLoader)
+            # pylint: disable=no-member
+            if hasattr(self.yaml_dict, 'fa'):
+                tmp_copy.fa.set_block_style()
+            result = Yedit.add_entry(tmp_copy, path, value, self.separator)
+            if result:
+                self.yaml_dict = tmp_copy
+                return (True, self.yaml_dict)
+
+        return (False, self.yaml_dict)
+
+    @staticmethod
+    def get_curr_value(invalue, val_type):
+        '''return the current value'''
+        if invalue is None:
+            return None
+
+        curr_value = invalue
+        if val_type == 'yaml':
+            curr_value = yaml.load(invalue)
+        elif val_type == 'json':
+            curr_value = json.loads(invalue)
+
+        return curr_value
+
+    @staticmethod
+    def parse_value(inc_value, vtype=''):
+        '''determine value type passed'''
+        true_bools = ['y', 'Y', 'yes', 'Yes', 'YES', 'true', 'True', 'TRUE',
+                      'on', 'On', 'ON', ]
+        false_bools = ['n', 'N', 'no', 'No', 'NO', 'false', 'False', 'FALSE',
+                       'off', 'Off', 'OFF']
+
+        # It came in as a string but you didn't specify value_type as string
+        # we will convert to bool if it matches any of the above cases
+        if isinstance(inc_value, str) and 'bool' in vtype:
+            if inc_value not in true_bools and inc_value not in false_bools:
+                raise YeditException('Not a boolean type. str=[%s] vtype=[%s]'
+                                     % (inc_value, vtype))
+        elif isinstance(inc_value, bool) and 'str' in vtype:
+            inc_value = str(inc_value)
+
+        # If vtype is not str then go ahead and attempt to yaml load it.
+        if isinstance(inc_value, str) and 'str' not in vtype:
+            try:
+                inc_value = yaml.load(inc_value)
+            except Exception:
+                raise YeditException('Could not determine type of incoming ' +
+                                     'value. value=[%s] vtype=[%s]'
+                                     % (type(inc_value), vtype))
+
+        return inc_value
+
+    # pylint: disable=too-many-return-statements,too-many-branches
+    @staticmethod
+    def run_ansible(module):
+        '''perform the idempotent crud operations'''
+        yamlfile = Yedit(filename=module.params['src'],
+                         backup=module.params['backup'],
+                         separator=module.params['separator'])
+
+        if module.params['src']:
+            rval = yamlfile.load()
+
+            if yamlfile.yaml_dict is None and \
+               module.params['state'] != 'present':
+                return {'failed': True,
+                        'msg': 'Error opening file [%s].  Verify that the ' +
+                               'file exists, that it is has correct' +
+                               ' permissions, and is valid yaml.'}
+
+        if module.params['state'] == 'list':
+            if module.params['content']:
+                content = Yedit.parse_value(module.params['content'],
+                                            module.params['content_type'])
+                yamlfile.yaml_dict = content
+
+            if module.params['key']:
+                rval = yamlfile.get(module.params['key']) or {}
+
+            return {'changed': False, 'result': rval, 'state': "list"}
+
+        elif module.params['state'] == 'absent':
+            if module.params['content']:
+                content = Yedit.parse_value(module.params['content'],
+                                            module.params['content_type'])
+                yamlfile.yaml_dict = content
+
+            if module.params['update']:
+                rval = yamlfile.pop(module.params['key'],
+                                    module.params['value'])
+            else:
+                rval = yamlfile.delete(module.params['key'])
+
+            if rval[0] and module.params['src']:
+                yamlfile.write()
+
+            return {'changed': rval[0], 'result': rval[1], 'state': "absent"}
+
+        elif module.params['state'] == 'present':
+            # check if content is different than what is in the file
+            if module.params['content']:
+                content = Yedit.parse_value(module.params['content'],
+                                            module.params['content_type'])
+
+                # We had no edits to make and the contents are the same
+                if yamlfile.yaml_dict == content and \
+                   module.params['value'] is None:
+                    return {'changed': False,
+                            'result': yamlfile.yaml_dict,
+                            'state': "present"}
+
+                yamlfile.yaml_dict = content
+
+            # we were passed a value; parse it
+            if module.params['value']:
+                value = Yedit.parse_value(module.params['value'],
+                                          module.params['value_type'])
+                key = module.params['key']
+                if module.params['update']:
+                    # pylint: disable=line-too-long
+                    curr_value = Yedit.get_curr_value(Yedit.parse_value(module.params['curr_value']),  # noqa: E501
+                                                      module.params['curr_value_format'])  # noqa: E501
+
+                    rval = yamlfile.update(key, value, module.params['index'], curr_value)  # noqa: E501
+
+                elif module.params['append']:
+                    rval = yamlfile.append(key, value)
+                else:
+                    rval = yamlfile.put(key, value)
+
+                if rval[0] and module.params['src']:
+                    yamlfile.write()
+
+                return {'changed': rval[0],
+                        'result': rval[1], 'state': "present"}
+
+            # no edits to make
+            if module.params['src']:
+                # pylint: disable=redefined-variable-type
+                rval = yamlfile.write()
+                return {'changed': rval[0],
+                        'result': rval[1],
+                        'state': "present"}
+
+        return {'failed': True, 'msg': 'Unkown state passed'}
+# pylint: disable=too-many-lines
+# noqa: E301,E302,E303,T001
+
+
+class OpenShiftCLIError(Exception):
+    '''Exception class for openshiftcli'''
+    pass
+
+
+# pylint: disable=too-few-public-methods
+class OpenShiftCLI(object):
+    ''' Class to wrap the command line tools '''
+    def __init__(self,
+                 namespace,
+                 kubeconfig='/etc/origin/master/admin.kubeconfig',
+                 verbose=False,
+                 all_namespaces=False):
+        ''' Constructor for OpenshiftCLI '''
+        self.namespace = namespace
+        self.verbose = verbose
+        self.kubeconfig = kubeconfig
+        self.all_namespaces = all_namespaces
+
+    # Pylint allows only 5 arguments to be passed.
+    # pylint: disable=too-many-arguments
+    def _replace_content(self, resource, rname, content, force=False, sep='.'):
+        ''' replace the current object with the content '''
+        res = self._get(resource, rname)
+        if not res['results']:
+            return res
+
+        fname = '/tmp/%s' % rname
+        yed = Yedit(fname, res['results'][0], separator=sep)
+        changes = []
+        for key, value in content.items():
+            changes.append(yed.put(key, value))
+
+        if any([change[0] for change in changes]):
+            yed.write()
+
+            atexit.register(Utils.cleanup, [fname])
+
+            return self._replace(fname, force)
+
+        return {'returncode': 0, 'updated': False}
+
+    def _replace(self, fname, force=False):
+        '''replace the current object with oc replace'''
+        cmd = ['replace', '-f', fname]
+        if force:
+            cmd.append('--force')
+        return self.openshift_cmd(cmd)
+
+    def _create_from_content(self, rname, content):
+        '''create a temporary file and then call oc create on it'''
+        fname = '/tmp/%s' % rname
+        yed = Yedit(fname, content=content)
+        yed.write()
+
+        atexit.register(Utils.cleanup, [fname])
+
+        return self._create(fname)
+
+    def _create(self, fname):
+        '''call oc create on a filename'''
+        return self.openshift_cmd(['create', '-f', fname])
+
+    def _delete(self, resource, rname, selector=None):
+        '''call oc delete on a resource'''
+        cmd = ['delete', resource, rname]
+        if selector:
+            cmd.append('--selector=%s' % selector)
+
+        return self.openshift_cmd(cmd)
+
+    def _process(self, template_name, create=False, params=None, template_data=None):  # noqa: E501
+        '''process a template
+
+           template_name: the name of the template to process
+           create: whether to send to oc create after processing
+           params: the parameters for the template
+           template_data: the incoming template's data; instead of a file
+        '''
+        cmd = ['process']
+        if template_data:
+            cmd.extend(['-f', '-'])
+        else:
+            cmd.append(template_name)
+        if params:
+            param_str = ["%s=%s" % (key, value) for key, value in params.items()]
+            cmd.append('-v')
+            cmd.extend(param_str)
+
+        results = self.openshift_cmd(cmd, output=True, input_data=template_data)
+
+        if results['returncode'] != 0 or not create:
+            return results
+
+        fname = '/tmp/%s' % template_name
+        yed = Yedit(fname, results['results'])
+        yed.write()
+
+        atexit.register(Utils.cleanup, [fname])
+
+        return self.openshift_cmd(['create', '-f', fname])
+
+    def _get(self, resource, rname=None, selector=None):
+        '''return a resource by name '''
+        cmd = ['get', resource]
+        if selector:
+            cmd.append('--selector=%s' % selector)
+
+        cmd.extend(['-o', 'json'])
+
+        if rname:
+            cmd.append(rname)
+
+        rval = self.openshift_cmd(cmd, output=True)
+
+        # Ensure results are retuned in an array
+        if 'items' in rval:
+            rval['results'] = rval['items']
+        elif not isinstance(rval['results'], list):
+            rval['results'] = [rval['results']]
+
+        return rval
+
+    def _schedulable(self, node=None, selector=None, schedulable=True):
+        ''' perform oadm manage-node scheduable '''
+        cmd = ['manage-node']
+        if node:
+            cmd.extend(node)
+        else:
+            cmd.append('--selector=%s' % selector)
+
+        cmd.append('--schedulable=%s' % schedulable)
+
+        return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw')  # noqa: E501
+
+    def _list_pods(self, node=None, selector=None, pod_selector=None):
+        ''' perform oadm list pods
+
+            node: the node in which to list pods
+            selector: the label selector filter if provided
+            pod_selector: the pod selector filter if provided
+        '''
+        cmd = ['manage-node']
+        if node:
+            cmd.extend(node)
+        else:
+            cmd.append('--selector=%s' % selector)
+
+        if pod_selector:
+            cmd.append('--pod-selector=%s' % pod_selector)
+
+        cmd.extend(['--list-pods', '-o', 'json'])
+
+        return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw')
+
+    # pylint: disable=too-many-arguments
+    def _evacuate(self, node=None, selector=None, pod_selector=None, dry_run=False, grace_period=None, force=False):
+        ''' perform oadm manage-node evacuate '''
+        cmd = ['manage-node']
+        if node:
+            cmd.extend(node)
+        else:
+            cmd.append('--selector=%s' % selector)
+
+        if dry_run:
+            cmd.append('--dry-run')
+
+        if pod_selector:
+            cmd.append('--pod-selector=%s' % pod_selector)
+
+        if grace_period:
+            cmd.append('--grace-period=%s' % int(grace_period))
+
+        if force:
+            cmd.append('--force')
+
+        cmd.append('--evacuate')
+
+        return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw')
+
+    def _version(self):
+        ''' return the openshift version'''
+        return self.openshift_cmd(['version'], output=True, output_type='raw')
+
+    def _import_image(self, url=None, name=None, tag=None):
+        ''' perform image import '''
+        cmd = ['import-image']
+
+        image = '{0}'.format(name)
+        if tag:
+            image += ':{0}'.format(tag)
+
+        cmd.append(image)
+
+        if url:
+            cmd.append('--from={0}/{1}'.format(url, image))
+
+        cmd.append('-n{0}'.format(self.namespace))
+
+        cmd.append('--confirm')
+        return self.openshift_cmd(cmd)
+
+    # pylint: disable=too-many-arguments,too-many-branches
+    def openshift_cmd(self, cmd, oadm=False, output=False, output_type='json', input_data=None):
+        '''Base command for oc '''
+        cmds = []
+        if oadm:
+            cmds = ['/usr/bin/oadm']
+        else:
+            cmds = ['/usr/bin/oc']
+
+        if self.all_namespaces:
+            cmds.extend(['--all-namespaces'])
+        elif self.namespace:
+            cmds.extend(['-n', self.namespace])
+
+        cmds.extend(cmd)
+
+        rval = {}
+        results = ''
+        err = None
+
+        if self.verbose:
+            print(' '.join(cmds))
+
+        proc = subprocess.Popen(cmds,
+                                stdin=subprocess.PIPE,
+                                stdout=subprocess.PIPE,
+                                stderr=subprocess.PIPE,
+                                env={'KUBECONFIG': self.kubeconfig})
+
+        stdout, stderr = proc.communicate(input_data)
+        rval = {"returncode": proc.returncode,
+                "results": results,
+                "cmd": ' '.join(cmds)}
+
+        if proc.returncode == 0:
+            if output:
+                if output_type == 'json':
+                    try:
+                        rval['results'] = json.loads(stdout)
+                    except ValueError as err:
+                        if "No JSON object could be decoded" in err.args:
+                            err = err.args
+                elif output_type == 'raw':
+                    rval['results'] = stdout
+
+            if self.verbose:
+                print("STDOUT: {0}".format(stdout))
+                print("STDERR: {0}".format(stderr))
+
+            if err:
+                rval.update({"err": err,
+                             "stderr": stderr,
+                             "stdout": stdout,
+                             "cmd": cmds})
+
+        else:
+            rval.update({"stderr": stderr,
+                         "stdout": stdout,
+                         "results": {}})
+
+        return rval
+
+
+class Utils(object):
+    ''' utilities for openshiftcli modules '''
+    @staticmethod
+    def create_file(rname, data, ftype='yaml'):
+        ''' create a file in tmp with name and contents'''
+        path = os.path.join('/tmp', rname)
+        with open(path, 'w') as fds:
+            if ftype == 'yaml':
+                fds.write(yaml.dump(data, Dumper=yaml.RoundTripDumper))
+
+            elif ftype == 'json':
+                fds.write(json.dumps(data))
+            else:
+                fds.write(data)
+
+        # Register cleanup when module is done
+        atexit.register(Utils.cleanup, [path])
+        return path
+
+    @staticmethod
+    def create_files_from_contents(content, content_type=None):
+        '''Turn an array of dict: filename, content into a files array'''
+        if not isinstance(content, list):
+            content = [content]
+        files = []
+        for item in content:
+            path = Utils.create_file(item['path'], item['data'], ftype=content_type)
+            files.append({'name': os.path.basename(path), 'path': path})
+        return files
+
+    @staticmethod
+    def cleanup(files):
+        '''Clean up on exit '''
+        for sfile in files:
+            if os.path.exists(sfile):
+                if os.path.isdir(sfile):
+                    shutil.rmtree(sfile)
+                elif os.path.isfile(sfile):
+                    os.remove(sfile)
+
+    @staticmethod
+    def exists(results, _name):
+        ''' Check to see if the results include the name '''
+        if not results:
+            return False
+
+        if Utils.find_result(results, _name):
+            return True
+
+        return False
+
+    @staticmethod
+    def find_result(results, _name):
+        ''' Find the specified result by name'''
+        rval = None
+        for result in results:
+            if 'metadata' in result and result['metadata']['name'] == _name:
+                rval = result
+                break
+
+        return rval
+
+    @staticmethod
+    def get_resource_file(sfile, sfile_type='yaml'):
+        ''' return the service file '''
+        contents = None
+        with open(sfile) as sfd:
+            contents = sfd.read()
+
+        if sfile_type == 'yaml':
+            contents = yaml.load(contents, yaml.RoundTripLoader)
+        elif sfile_type == 'json':
+            contents = json.loads(contents)
+
+        return contents
+
+    @staticmethod
+    def filter_versions(stdout):
+        ''' filter the oc version output '''
+
+        version_dict = {}
+        version_search = ['oc', 'openshift', 'kubernetes']
+
+        for line in stdout.strip().split('\n'):
+            for term in version_search:
+                if not line:
+                    continue
+                if line.startswith(term):
+                    version_dict[term] = line.split()[-1]
+
+        # horrible hack to get openshift version in Openshift 3.2
+        #  By default "oc version in 3.2 does not return an "openshift" version
+        if "openshift" not in version_dict:
+            version_dict["openshift"] = version_dict["oc"]
+
+        return version_dict
+
+    @staticmethod
+    def add_custom_versions(versions):
+        ''' create custom versions strings '''
+
+        versions_dict = {}
+
+        for tech, version in versions.items():
+            # clean up "-" from version
+            if "-" in version:
+                version = version.split("-")[0]
+
+            if version.startswith('v'):
+                versions_dict[tech + '_numeric'] = version[1:].split('+')[0]
+                # "v3.3.0.33" is what we have, we want "3.3"
+                versions_dict[tech + '_short'] = version[1:4]
+
+        return versions_dict
+
+    @staticmethod
+    def openshift_installed():
+        ''' check if openshift is installed '''
+        import yum
+
+        yum_base = yum.YumBase()
+        if yum_base.rpmdb.searchNevra(name='atomic-openshift'):
+            return True
+
+        return False
+
+    # Disabling too-many-branches.  This is a yaml dictionary comparison function
+    # pylint: disable=too-many-branches,too-many-return-statements,too-many-statements
+    @staticmethod
+    def check_def_equal(user_def, result_def, skip_keys=None, debug=False):
+        ''' Given a user defined definition, compare it with the results given back by our query.  '''
+
+        # Currently these values are autogenerated and we do not need to check them
+        skip = ['metadata', 'status']
+        if skip_keys:
+            skip.extend(skip_keys)
+
+        for key, value in result_def.items():
+            if key in skip:
+                continue
+
+            # Both are lists
+            if isinstance(value, list):
+                if key not in user_def:
+                    if debug:
+                        print('User data does not have key [%s]' % key)
+                        print('User data: %s' % user_def)
+                    return False
+
+                if not isinstance(user_def[key], list):
+                    if debug:
+                        print('user_def[key] is not a list key=[%s] user_def[key]=%s' % (key, user_def[key]))
+                    return False
+
+                if len(user_def[key]) != len(value):
+                    if debug:
+                        print("List lengths are not equal.")
+                        print("key=[%s]: user_def[%s] != value[%s]" % (key, len(user_def[key]), len(value)))
+                        print("user_def: %s" % user_def[key])
+                        print("value: %s" % value)
+                    return False
+
+                for values in zip(user_def[key], value):
+                    if isinstance(values[0], dict) and isinstance(values[1], dict):
+                        if debug:
+                            print('sending list - list')
+                            print(type(values[0]))
+                            print(type(values[1]))
+                        result = Utils.check_def_equal(values[0], values[1], skip_keys=skip_keys, debug=debug)
+                        if not result:
+                            print('list compare returned false')
+                            return False
+
+                    elif value != user_def[key]:
+                        if debug:
+                            print('value should be identical')
+                            print(value)
+                            print(user_def[key])
+                        return False
+
+            # recurse on a dictionary
+            elif isinstance(value, dict):
+                if key not in user_def:
+                    if debug:
+                        print("user_def does not have key [%s]" % key)
+                    return False
+                if not isinstance(user_def[key], dict):
+                    if debug:
+                        print("dict returned false: not instance of dict")
+                    return False
+
+                # before passing ensure keys match
+                api_values = set(value.keys()) - set(skip)
+                user_values = set(user_def[key].keys()) - set(skip)
+                if api_values != user_values:
+                    if debug:
+                        print("keys are not equal in dict")
+                        print(api_values)
+                        print(user_values)
+                    return False
+
+                result = Utils.check_def_equal(user_def[key], value, skip_keys=skip_keys, debug=debug)
+                if not result:
+                    if debug:
+                        print("dict returned false")
+                        print(result)
+                    return False
+
+            # Verify each key, value pair is the same
+            else:
+                if key not in user_def or value != user_def[key]:
+                    if debug:
+                        print("value not equal; user_def does not have key")
+                        print(key)
+                        print(value)
+                        if key in user_def:
+                            print(user_def[key])
+                    return False
+
+        if debug:
+            print('returning true')
+        return True
+
+
+class OpenShiftCLIConfig(object):
+    '''Generic Config'''
+    def __init__(self, rname, namespace, kubeconfig, options):
+        self.kubeconfig = kubeconfig
+        self.name = rname
+        self.namespace = namespace
+        self._options = options
+
+    @property
+    def config_options(self):
+        ''' return config options '''
+        return self._options
+
+    def to_option_list(self):
+        '''return all options as a string'''
+        return self.stringify()
+
+    def stringify(self):
+        ''' return the options hash as cli params in a string '''
+        rval = []
+        for key, data in self.config_options.items():
+            if data['include'] \
+               and (data['value'] or isinstance(data['value'], int)):
+                rval.append('--%s=%s' % (key.replace('_', '-'), data['value']))
+
+        return rval
+
+
+# pylint: disable=too-many-instance-attributes
+class OCScale(OpenShiftCLI):
+    ''' Class to wrap the oc command line tools '''
+
+    # pylint allows 5
+    # pylint: disable=too-many-arguments
+    def __init__(self,
+                 resource_name,
+                 namespace,
+                 replicas,
+                 kind,
+                 kubeconfig='/etc/origin/master/admin.kubeconfig',
+                 verbose=False):
+        ''' Constructor for OCScale '''
+        super(OCScale, self).__init__(namespace, kubeconfig)
+        self.kind = kind
+        self.replicas = replicas
+        self.name = resource_name
+        self.namespace = namespace
+        self.kubeconfig = kubeconfig
+        self.verbose = verbose
+        self._resource = None
+
+    @property
+    def resource(self):
+        ''' property function for resource var '''
+        if not self._resource:
+            self.get()
+        return self._resource
+
+    @resource.setter
+    def resource(self, data):
+        ''' setter function for resource var '''
+        self._resource = data
+
+    def get(self):
+        '''return replicas information '''
+        vol = self._get(self.kind, self.name)
+        if vol['returncode'] == 0:
+            if self.kind == 'dc':
+                self.resource = DeploymentConfig(content=vol['results'][0])
+                vol['results'] = [self.resource.get_replicas()]
+            if self.kind == 'rc':
+                self.resource = ReplicationController(content=vol['results'][0])
+                vol['results'] = [self.resource.get_replicas()]
+
+        return vol
+
+    def put(self):
+        '''update replicas into dc '''
+        self.resource.update_replicas(self.replicas)
+        return self._replace_content(self.kind, self.name, self.resource.yaml_dict)
+
+    def needs_update(self):
+        ''' verify whether an update is needed '''
+        return self.resource.needs_update_replicas(self.replicas)
+
+    @staticmethod
+    def run_ansible(params, check_mode):
+        '''perform the idempotent ansible logic'''
+
+        oc_scale = OCScale(params['name'],
+                           params['namespace'],
+                           params['replicas'],
+                           params['kind'],
+                           params['kubeconfig'],
+                           verbose=params['debug'])
+
+        state = params['state']
+
+        api_rval = oc_scale.get()
+
+        #####
+        # Get
+        #####
+        if state == 'list':
+            return {'changed': False, 'result': api_rval['results'], 'state': 'list'}  # noqa: E501
+
+        elif state == 'present':
+            ########
+            # Update
+            ########
+            if oc_scale.needs_update():
+                if check_mode:
+                    return {'changed': True, 'result': 'CHECK_MODE: Would have updated.'}  # noqa: E501
+                api_rval = oc_scale.put()
+
+                if api_rval['returncode'] != 0:
+                    return {'failed': True, 'msg': api_rval}
+
+                # return the created object
+                api_rval = oc_scale.get()
+
+                if api_rval['returncode'] != 0:
+                    return {'failed': True, 'msg': api_rval}
+
+                return {'changed': True, 'result': api_rval['results'], 'state': 'present'}  # noqa: E501
+
+            return {'changed': False, 'result': api_rval['results'], 'state': 'present'}  # noqa: E501
+
+        return {'failed': True, 'msg': 'Unknown state passed. [{}]'.format(state)}
+
+def main():
+    '''
+    ansible oc module for scaling
+    '''
+
+    module = AnsibleModule(
+        argument_spec=dict(
+            kubeconfig=dict(default='/etc/origin/master/admin.kubeconfig', type='str'),
+            state=dict(default='present', type='str', choices=['present', 'list']),
+            debug=dict(default=False, type='bool'),
+            kind=dict(default='dc', choices=['dc', 'rc'], type='str'),
+            namespace=dict(default='default', type='str'),
+            replicas=dict(default=None, type='int'),
+            name=dict(default=None, type='str'),
+        ),
+        supports_check_mode=True,
+    )
+    rval = OCScale.run_ansible(params, module.check_mode)
+    if 'failed' in rval:
+        module.fail_json(**rval)
+
+    module.exit_json(**rval)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/roles/lib_openshift/src/ansible/oc_scale.py b/roles/lib_openshift/src/ansible/oc_scale.py
new file mode 100644
index 000000000..58f5c2ee3
--- /dev/null
+++ b/roles/lib_openshift/src/ansible/oc_scale.py
@@ -0,0 +1,29 @@
+# pylint: skip-file
+# flake8: noqa
+
+def main():
+    '''
+    ansible oc module for scaling
+    '''
+
+    module = AnsibleModule(
+        argument_spec=dict(
+            kubeconfig=dict(default='/etc/origin/master/admin.kubeconfig', type='str'),
+            state=dict(default='present', type='str', choices=['present', 'list']),
+            debug=dict(default=False, type='bool'),
+            kind=dict(default='dc', choices=['dc', 'rc'], type='str'),
+            namespace=dict(default='default', type='str'),
+            replicas=dict(default=None, type='int'),
+            name=dict(default=None, type='str'),
+        ),
+        supports_check_mode=True,
+    )
+    rval = OCScale.run_ansible(params, module.check_mode)
+    if 'failed' in rval:
+        module.fail_json(**rval)
+
+    module.exit_json(**rval)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/roles/lib_openshift/src/class/oc_scale.py b/roles/lib_openshift/src/class/oc_scale.py
new file mode 100644
index 000000000..bd8f9da93
--- /dev/null
+++ b/roles/lib_openshift/src/class/oc_scale.py
@@ -0,0 +1,104 @@
+# pylint: skip-file
+# flake8: noqa
+
+# pylint: disable=too-many-instance-attributes
+class OCScale(OpenShiftCLI):
+    ''' Class to wrap the oc command line tools '''
+
+    # pylint allows 5
+    # pylint: disable=too-many-arguments
+    def __init__(self,
+                 resource_name,
+                 namespace,
+                 replicas,
+                 kind,
+                 kubeconfig='/etc/origin/master/admin.kubeconfig',
+                 verbose=False):
+        ''' Constructor for OCScale '''
+        super(OCScale, self).__init__(namespace, kubeconfig)
+        self.kind = kind
+        self.replicas = replicas
+        self.name = resource_name
+        self.namespace = namespace
+        self.kubeconfig = kubeconfig
+        self.verbose = verbose
+        self._resource = None
+
+    @property
+    def resource(self):
+        ''' property function for resource var '''
+        if not self._resource:
+            self.get()
+        return self._resource
+
+    @resource.setter
+    def resource(self, data):
+        ''' setter function for resource var '''
+        self._resource = data
+
+    def get(self):
+        '''return replicas information '''
+        vol = self._get(self.kind, self.name)
+        if vol['returncode'] == 0:
+            if self.kind == 'dc':
+                self.resource = DeploymentConfig(content=vol['results'][0])
+                vol['results'] = [self.resource.get_replicas()]
+            if self.kind == 'rc':
+                self.resource = ReplicationController(content=vol['results'][0])
+                vol['results'] = [self.resource.get_replicas()]
+
+        return vol
+
+    def put(self):
+        '''update replicas into dc '''
+        self.resource.update_replicas(self.replicas)
+        return self._replace_content(self.kind, self.name, self.resource.yaml_dict)
+
+    def needs_update(self):
+        ''' verify whether an update is needed '''
+        return self.resource.needs_update_replicas(self.replicas)
+
+    @staticmethod
+    def run_ansible(params, check_mode):
+        '''perform the idempotent ansible logic'''
+
+        oc_scale = OCScale(params['name'],
+                           params['namespace'],
+                           params['replicas'],
+                           params['kind'],
+                           params['kubeconfig'],
+                           verbose=params['debug'])
+
+        state = params['state']
+
+        api_rval = oc_scale.get()
+
+        #####
+        # Get
+        #####
+        if state == 'list':
+            return {'changed': False, 'result': api_rval['results'], 'state': 'list'}  # noqa: E501
+
+        elif state == 'present':
+            ########
+            # Update
+            ########
+            if oc_scale.needs_update():
+                if check_mode:
+                    return {'changed': True, 'result': 'CHECK_MODE: Would have updated.'}  # noqa: E501
+                api_rval = oc_scale.put()
+
+                if api_rval['returncode'] != 0:
+                    return {'failed': True, 'msg': api_rval}
+
+                # return the created object
+                api_rval = oc_scale.get()
+
+                if api_rval['returncode'] != 0:
+                    return {'failed': True, 'msg': api_rval}
+
+                return {'changed': True, 'result': api_rval['results'], 'state': 'present'}  # noqa: E501
+
+            return {'changed': False, 'result': api_rval['results'], 'state': 'present'}  # noqa: E501
+
+        return {'failed': True, 'msg': 'Unknown state passed. [{}]'.format(state)}
diff --git a/roles/lib_openshift/src/doc/scale b/roles/lib_openshift/src/doc/scale
new file mode 100644
index 000000000..b2ffc77f9
--- /dev/null
+++ b/roles/lib_openshift/src/doc/scale
@@ -0,0 +1,70 @@
+# flake8: noqa
+# pylint: skip-file
+
+DOCUMENTATION = '''
+---
+module: oc_scale
+short_description: Manage openshift services through the scale parameters
+description:
+  - Manage openshift services through scaling them.
+options:
+  state:
+    description:
+    - State represents whether to create, modify, delete, or list
+    required: true
+    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: []
+  namespace:
+    description:
+    - The namespace where the object lives.
+    required: false
+    default: str
+    aliases: []
+  kind:
+    description:
+    - The kind of object to scale.
+    required: false
+    default: None
+    choices:
+    - rc
+    - dc
+    aliases: []
+author:
+- "Kenny Woodson <kwoodson@redhat.com>"
+extends_documentation_fragment: []
+'''
+
+EXAMPLES = '''
+- name: scale down a rc to 0
+  oc_scale:
+    name: my-replication-controller
+    kind: rc
+    namespace: openshift-infra
+    replicas: 0
+
+- name: scale up a deploymentconfig to 2
+  oc_scale:
+    name: php
+    kind: dc
+    namespace: my-php-app
+    replicas: 2
+'''
diff --git a/roles/lib_openshift/src/sources.yml b/roles/lib_openshift/src/sources.yml
index 3c20b614d..00543c64b 100644
--- a/roles/lib_openshift/src/sources.yml
+++ b/roles/lib_openshift/src/sources.yml
@@ -27,6 +27,15 @@ oc_route.py:
 - lib/route.py
 - class/oc_route.py
 - ansible/oc_route.py
+oc_scale.py:
+- doc/generated
+- doc/license
+- lib/import.py
+- doc/scale
+- ../../lib_utils/src/class/yedit.py
+- lib/base.py
+- class/oc_scale.py
+- ansible/oc_scale.py
 oc_version.py:
 - doc/generated
 - doc/license
diff --git a/roles/lib_openshift/src/test/integration/oc_scale.yml b/roles/lib_openshift/src/test/integration/oc_scale.yml
new file mode 100755
index 000000000..d272357e8
--- /dev/null
+++ b/roles/lib_openshift/src/test/integration/oc_scale.yml
@@ -0,0 +1,19 @@
+#!/usr/bin/ansible-playbook --module-path=../../../library/
+# ./oc_scale.yml -e "cli_master_test=$OPENSHIFT_MASTER
+---
+- hosts: "{{ cli_master_test }}"
+  gather_facts: no
+  user: root
+  tasks:
+  - name: list oc scale for default router dc
+    oc_scale:
+      state: list
+      name: router
+      namespace: default
+      kind: dc
+    register: scaleout
+  - debug: var=scaleout
+
+  - assert:
+      that: "scaleout.results.results[0]['metadata']['name'] == 'test'"
+      msg: route create failed