diff options
| -rw-r--r-- | roles/lib_openshift/library/oc_pvc.py | 1733 | ||||
| -rw-r--r-- | roles/lib_openshift/src/ansible/oc_pvc.py | 35 | ||||
| -rw-r--r-- | roles/lib_openshift/src/class/oc_pvc.py | 167 | ||||
| -rw-r--r-- | roles/lib_openshift/src/doc/pvc | 76 | ||||
| -rw-r--r-- | roles/lib_openshift/src/lib/pvc.py | 167 | ||||
| -rw-r--r-- | roles/lib_openshift/src/sources.yml | 11 | ||||
| -rwxr-xr-x | roles/lib_openshift/src/test/unit/test_oc_pvc.py | 203 |
7 files changed, 2392 insertions, 0 deletions
diff --git a/roles/lib_openshift/library/oc_pvc.py b/roles/lib_openshift/library/oc_pvc.py new file mode 100644 index 000000000..df0b0d86a --- /dev/null +++ b/roles/lib_openshift/library/oc_pvc.py @@ -0,0 +1,1733 @@ +#!/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. +# + +# -*- -*- -*- Begin included fragment: lib/import.py -*- -*- -*- +''' + OpenShiftCLI class that wraps the oc commands in a subprocess +''' +# pylint: disable=too-many-lines + +from __future__ import print_function +import atexit +import copy +import json +import os +import re +import shutil +import subprocess +import tempfile +# pylint: disable=import-error +try: + import ruamel.yaml as yaml +except ImportError: + import yaml + +from ansible.module_utils.basic import AnsibleModule + +# -*- -*- -*- End included fragment: lib/import.py -*- -*- -*- + +# -*- -*- -*- Begin included fragment: doc/pvc -*- -*- -*- + +DOCUMENTATION = ''' +--- +module: oc_pvc +short_description: Modify, and idempotently manage openshift persistent volume claims +description: + - Modify openshift persistent volume claims programmatically. +options: + state: + description: + - Supported states, present, absent, list + - present - will ensure object is created or updated to the value specified + - list - will return a pvc + - absent - will remove a pvc + 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: [] + namespace: + description: + - The namespace where the object lives. + required: false + default: str + aliases: [] + volume_capacity: + description: + - The requested volume capacity + required: False + default: 1G + aliases: [] + access_modes: + description: + - The access modes allowed for the pvc + - Expects a list + required: False + default: ReadWriteOnce + choices: + - ReadWriteOnce + - ReadOnlyMany + - ReadWriteMany + aliases: [] +author: +- "Kenny Woodson <kwoodson@redhat.com>" +extends_documentation_fragment: [] +''' + +EXAMPLES = ''' +- name: create a pvc + oc_pvc: + namespace: awesomeapp + name: dbstorage + access_modes: + - ReadWriteOnce + volume_capacity: 5G + register: pvcout +''' + +# -*- -*- -*- End included fragment: doc/pvc -*- -*- -*- + +# -*- -*- -*- Begin included fragment: ../../lib_utils/src/class/yedit.py -*- -*- -*- +# pylint: disable=undefined-variable,missing-docstring +# 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): + raise YeditException("Unexpected item type found while going through key " + + "path: {} (at key: {})".format(key, dict_key)) + + 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: + raise YeditException("Unexpected item type found while going through key path: {}".format(key)) + + 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 + + # didn't add/update to an existing list, nor add/update key to a dict + # so we must have been provided some syntax like a.b.c[<int>] = "data" for a + # non-existent array + else: + raise YeditException("Error adding to object at path: {}".format(key)) + + 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 + + @staticmethod + def _write(filename, contents): + ''' Actually write the file contents to disk. This helps with mocking. ''' + + tmp_filename = filename + '.yedit' + + with open(tmp_filename, 'w') as yfd: + yfd.write(contents) + + os.rename(tmp_filename, filename) + + 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') + + # Try to set format attributes if supported + try: + self.yaml_dict.fa.set_block_style() + except AttributeError: + pass + + # Try to use RoundTripDumper if supported. + try: + Yedit._write(self.filename, yaml.dump(self.yaml_dict, Dumper=yaml.RoundTripDumper)) + except AttributeError: + Yedit._write(self.filename, yaml.safe_dump(self.yaml_dict, default_flow_style=False)) + + 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: + # Try to set format attributes if supported + try: + self.yaml_dict.fa.set_block_style() + except AttributeError: + pass + + # Try to use RoundTripLoader if supported. + try: + self.yaml_dict = yaml.safe_load(contents, yaml.RoundTripLoader) + except AttributeError: + self.yaml_dict = yaml.safe_load(contents) + + # Try to set format attributes if supported + try: + self.yaml_dict.fa.set_block_style() + except AttributeError: + pass + + 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): + # AUDIT:maybe-no-member makes sense due to fuzzy types + # pylint: disable=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): + # AUDIT:maybe-no-member makes sense due to fuzzy types + # pylint: disable=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) + + # AUDIT:maybe-no-member makes sense due to loading data from + # a serialized format. + # pylint: disable=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): + # AUDIT:maybe-no-member makes sense due to fuzzy types + # pylint: disable=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): + # AUDIT:maybe-no-member makes sense due to fuzzy types + # pylint: disable=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 + # Try to use ruamel.yaml and fallback to pyyaml + try: + tmp_copy = yaml.load(yaml.round_trip_dump(self.yaml_dict, + default_flow_style=False), + yaml.RoundTripLoader) + except AttributeError: + tmp_copy = copy.deepcopy(self.yaml_dict) + + # set the format attributes if available + try: + tmp_copy.fa.set_block_style() + except AttributeError: + pass + + 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 + # Try to use ruamel.yaml and fallback to pyyaml + try: + tmp_copy = yaml.load(yaml.round_trip_dump(self.yaml_dict, + default_flow_style=False), + yaml.RoundTripLoader) + except AttributeError: + tmp_copy = copy.deepcopy(self.yaml_dict) + + # set the format attributes if available + try: + tmp_copy.fa.set_block_style() + except AttributeError: + pass + + 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'} + +# -*- -*- -*- End included fragment: ../../lib_utils/src/class/yedit.py -*- -*- -*- + +# -*- -*- -*- Begin included fragment: lib/base.py -*- -*- -*- +# pylint: disable=too-many-lines +# noqa: E301,E302,E303,T001 + + +class OpenShiftCLIError(Exception): + '''Exception class for openshiftcli''' + pass + + +ADDITIONAL_PATH_LOOKUPS = ['/usr/local/bin', os.path.expanduser('~/bin')] + + +def locate_oc_binary(): + ''' Find and return oc binary file ''' + # https://github.com/openshift/openshift-ansible/issues/3410 + # oc can be in /usr/local/bin in some cases, but that may not + # be in $PATH due to ansible/sudo + paths = os.environ.get("PATH", os.defpath).split(os.pathsep) + ADDITIONAL_PATH_LOOKUPS + + oc_binary = 'oc' + + # Use shutil.which if it is available, otherwise fallback to a naive path search + try: + which_result = shutil.which(oc_binary, path=os.pathsep.join(paths)) + if which_result is not None: + oc_binary = which_result + except AttributeError: + for path in paths: + if os.path.exists(os.path.join(path, oc_binary)): + oc_binary = os.path.join(path, oc_binary) + break + + return oc_binary + + +# 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 = Utils.create_tmpfile_copy(kubeconfig) + self.all_namespaces = all_namespaces + self.oc_binary = locate_oc_binary() + + # 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 = Utils.create_tmpfile(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 = Utils.create_tmpfile(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 = Utils.create_tmpfile(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) + elif rname: + cmd.append(rname) + + cmd.extend(['-o', 'json']) + + 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) + + def _run(self, cmds, input_data): + ''' Actually executes the command. This makes mocking easier. ''' + curr_env = os.environ.copy() + curr_env.update({'KUBECONFIG': self.kubeconfig}) + proc = subprocess.Popen(cmds, + stdin=subprocess.PIPE, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + env=curr_env) + + stdout, stderr = proc.communicate(input_data) + + return proc.returncode, stdout.decode(), stderr.decode() + + # 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 = [self.oc_binary] + + if oadm: + cmds.append('adm') + + cmds.extend(cmd) + + if self.all_namespaces: + cmds.extend(['--all-namespaces']) + elif self.namespace is not None and self.namespace.lower() not in ['none', 'emtpy']: # E501 + cmds.extend(['-n', self.namespace]) + + rval = {} + results = '' + err = None + + if self.verbose: + print(' '.join(cmds)) + + try: + returncode, stdout, stderr = self._run(cmds, input_data) + except OSError as ex: + returncode, stdout, stderr = 1, '', 'Failed to execute {}: {}'.format(subprocess.list2cmdline(cmds), ex) + + rval = {"returncode": returncode, + "results": results, + "cmd": ' '.join(cmds)} + + if returncode == 0: + if output: + if output_type == 'json': + try: + rval['results'] = json.loads(stdout) + except ValueError as verr: + if "No JSON object could be decoded" in verr.args: + err = verr.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 _write(filename, contents): + ''' Actually write the file contents to disk. This helps with mocking. ''' + + with open(filename, 'w') as sfd: + sfd.write(contents) + + @staticmethod + def create_tmp_file_from_contents(rname, data, ftype='yaml'): + ''' create a file in tmp with name and contents''' + + tmp = Utils.create_tmpfile(prefix=rname) + + if ftype == 'yaml': + # AUDIT:no-member makes sense here due to ruamel.YAML/PyYAML usage + # pylint: disable=no-member + if hasattr(yaml, 'RoundTripDumper'): + Utils._write(tmp, yaml.dump(data, Dumper=yaml.RoundTripDumper)) + else: + Utils._write(tmp, yaml.safe_dump(data, default_flow_style=False)) + + elif ftype == 'json': + Utils._write(tmp, json.dumps(data)) + else: + Utils._write(tmp, data) + + # Register cleanup when module is done + atexit.register(Utils.cleanup, [tmp]) + return tmp + + @staticmethod + def create_tmpfile_copy(inc_file): + '''create a temporary copy of a file''' + tmpfile = Utils.create_tmpfile('lib_openshift-') + Utils._write(tmpfile, open(inc_file).read()) + + # Cleanup the tmpfile + atexit.register(Utils.cleanup, [tmpfile]) + + return tmpfile + + @staticmethod + def create_tmpfile(prefix='tmp'): + ''' Generates and returns a temporary file name ''' + + with tempfile.NamedTemporaryFile(prefix=prefix, delete=False) as tmp: + return tmp.name + + @staticmethod + def create_tmp_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_tmp_file_from_contents(item['path'] + '-', + item['data'], + ftype=content_type) + files.append({'name': os.path.basename(item['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': + # AUDIT:no-member makes sense here due to ruamel.YAML/PyYAML usage + # pylint: disable=no-member + if hasattr(yaml, 'RoundTripLoader'): + contents = yaml.load(contents, yaml.RoundTripLoader) + else: + contents = yaml.safe_load(contents) + 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(user_def[key]) + print(value) + 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(user_values) + print(api_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 in sorted(self.config_options.keys()): + data = self.config_options[key] + if data['include'] \ + and (data['value'] or isinstance(data['value'], int)): + rval.append('--{}={}'.format(key.replace('_', '-'), data['value'])) + + return rval + + +# -*- -*- -*- End included fragment: lib/base.py -*- -*- -*- + +# -*- -*- -*- Begin included fragment: lib/pvc.py -*- -*- -*- + + +# pylint: disable=too-many-instance-attributes +class PersistentVolumeClaimConfig(object): + ''' Handle pvc options ''' + # pylint: disable=too-many-arguments + def __init__(self, + sname, + namespace, + kubeconfig, + access_modes=None, + vol_capacity='1G'): + ''' constructor for handling pvc options ''' + self.kubeconfig = kubeconfig + self.name = sname + self.namespace = namespace + self.access_modes = access_modes + self.vol_capacity = vol_capacity + self.data = {} + + self.create_dict() + + def create_dict(self): + ''' return a service as a dict ''' + # version + self.data['apiVersion'] = 'v1' + # kind + self.data['kind'] = 'PersistentVolumeClaim' + # metadata + self.data['metadata'] = {} + self.data['metadata']['name'] = self.name + # spec + self.data['spec'] = {} + self.data['spec']['accessModes'] = ['ReadWriteOnce'] + if self.access_modes: + self.data['spec']['accessModes'] = self.access_modes + + # storage capacity + self.data['spec']['resources'] = {} + self.data['spec']['resources']['requests'] = {} + self.data['spec']['resources']['requests']['storage'] = self.vol_capacity + + +# pylint: disable=too-many-instance-attributes,too-many-public-methods +class PersistentVolumeClaim(Yedit): + ''' Class to wrap the oc command line tools ''' + access_modes_path = "spec.accessModes" + volume_capacity_path = "spec.requests.storage" + volume_name_path = "spec.volumeName" + bound_path = "status.phase" + kind = 'PersistentVolumeClaim' + + def __init__(self, content): + '''RoleBinding constructor''' + super(PersistentVolumeClaim, self).__init__(content=content) + self._access_modes = None + self._volume_capacity = None + self._volume_name = None + + @property + def volume_name(self): + ''' volume_name property ''' + if self._volume_name is None: + self._volume_name = self.get_volume_name() + return self._volume_name + + @volume_name.setter + def volume_name(self, data): + ''' volume_name property setter''' + self._volume_name = data + + @property + def access_modes(self): + ''' access_modes property ''' + if self._access_modes is None: + self._access_modes = self.get_access_modes() + if not isinstance(self._access_modes, list): + self._access_modes = list(self._access_modes) + + return self._access_modes + + @access_modes.setter + def access_modes(self, data): + ''' access_modes property setter''' + if not isinstance(data, list): + data = list(data) + + self._access_modes = data + + @property + def volume_capacity(self): + ''' volume_capacity property ''' + if self._volume_capacity is None: + self._volume_capacity = self.get_volume_capacity() + return self._volume_capacity + + @volume_capacity.setter + def volume_capacity(self, data): + ''' volume_capacity property setter''' + self._volume_capacity = data + + def get_access_modes(self): + '''get access_modes''' + return self.get(PersistentVolumeClaim.access_modes_path) or [] + + def get_volume_capacity(self): + '''get volume_capacity''' + return self.get(PersistentVolumeClaim.volume_capacity_path) or [] + + def get_volume_name(self): + '''get volume_name''' + return self.get(PersistentVolumeClaim.volume_name_path) or [] + + def is_bound(self): + '''return whether volume is bound''' + return self.get(PersistentVolumeClaim.bound_path) or [] + + #### ADD ##### + def add_access_mode(self, inc_mode): + ''' add an access_mode''' + if self.access_modes: + self.access_modes.append(inc_mode) + else: + self.put(PersistentVolumeClaim.access_modes_path, [inc_mode]) + + return True + + #### /ADD ##### + + #### Remove ##### + def remove_access_mode(self, inc_mode): + ''' remove an access_mode''' + try: + self.access_modes.remove(inc_mode) + except ValueError as _: + return False + + return True + + #### /REMOVE ##### + + #### UPDATE ##### + def update_access_mode(self, inc_mode): + ''' update an access_mode''' + try: + index = self.access_modes.index(inc_mode) + except ValueError as _: + return self.add_access_mode(inc_mode) + + self.access_modes[index] = inc_mode + + return True + + #### /UPDATE ##### + + #### FIND #### + def find_access_mode(self, inc_mode): + ''' find a user ''' + index = None + try: + index = self.access_modes.index(inc_mode) + except ValueError as _: + return index + + return index + +# -*- -*- -*- End included fragment: lib/pvc.py -*- -*- -*- + +# -*- -*- -*- Begin included fragment: class/oc_pvc.py -*- -*- -*- + + +# pylint: disable=too-many-instance-attributes +class OCPVC(OpenShiftCLI): + ''' Class to wrap the oc command line tools ''' + kind = 'pvc' + + # pylint allows 5 + # pylint: disable=too-many-arguments + def __init__(self, + config, + verbose=False): + ''' Constructor for OCVolume ''' + super(OCPVC, self).__init__(config.namespace, config.kubeconfig) + self.config = config + self.namespace = config.namespace + self._pvc = None + + @property + def pvc(self): + ''' property function pvc''' + if not self._pvc: + self.get() + return self._pvc + + @pvc.setter + def pvc(self, data): + ''' setter function for yedit var ''' + self._pvc = data + + def bound(self): + '''return whether the pvc is bound''' + if self.pvc.get_volume_name(): + return True + + return False + + def exists(self): + ''' return whether a pvc exists ''' + if self.pvc: + return True + + return False + + def get(self): + '''return pvc information ''' + result = self._get(self.kind, self.config.name) + if result['returncode'] == 0: + self.pvc = PersistentVolumeClaim(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''' + # need to update the tls information and the service name + return self._replace_content(self.kind, self.config.name, self.config.data) + + def needs_update(self): + ''' verify an update is needed ''' + if self.pvc.get_volume_name() or self.pvc.is_bound(): + return False + + skip = [] + return not Utils.check_def_equal(self.config.data, self.pvc.yaml_dict, skip_keys=skip, debug=True) + + # pylint: disable=too-many-branches,too-many-return-statements + @staticmethod + def run_ansible(params, check_mode): + '''run the idempotent ansible code''' + pconfig = PersistentVolumeClaimConfig(params['name'], + params['namespace'], + params['kubeconfig'], + params['access_modes'], + params['volume_capacity'], + ) + oc_pvc = OCPVC(pconfig, verbose=params['debug']) + + state = params['state'] + + api_rval = oc_pvc.get() + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + ##### + # Get + ##### + if state == 'list': + return {'changed': False, 'results': api_rval['results'], 'state': state} + + ######## + # Delete + ######## + if state == 'absent': + if oc_pvc.exists(): + + if check_mode: + return {'changed': False, 'msg': 'CHECK_MODE: Would have performed a delete.'} + + api_rval = oc_pvc.delete() + + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + return {'changed': True, 'results': api_rval, 'state': state} + + return {'changed': False, 'state': state} + + if state == 'present': + ######## + # Create + ######## + if not oc_pvc.exists(): + + if check_mode: + return {'changed': True, 'msg': 'CHECK_MODE: Would have performed a create.'} + + # Create it here + api_rval = oc_pvc.create() + + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + # return the created object + api_rval = oc_pvc.get() + + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + return {'changed': True, 'results': api_rval, 'state': state} + + ######## + # Update + ######## + if oc_pvc.pvc.is_bound() or oc_pvc.pvc.get_volume_name(): + api_rval['msg'] = '##### - This volume is currently bound. Will not update - ####' + return {'changed': False, 'results': api_rval, 'state': state} + + if oc_pvc.needs_update(): + api_rval = oc_pvc.update() + + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + # return the created object + api_rval = oc_pvc.get() + + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + return {'changed': True, 'results': api_rval, 'state': state} + + return {'changed': False, 'results': api_rval, 'state': state} + + return {'failed': True, 'msg': 'Unknown state passed. {}'.format(state)} + +# -*- -*- -*- End included fragment: class/oc_pvc.py -*- -*- -*- + +# -*- -*- -*- Begin included fragment: ansible/oc_pvc.py -*- -*- -*- + +#pylint: disable=too-many-branches +def main(): + ''' + ansible oc module for pvc + ''' + + 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, required=True, type='str'), + namespace=dict(default=None, required=True, type='str'), + volume_capacity=dict(default='1G', type='str'), + access_modes=dict(default='ReadWriteOnce', + choices=['ReadWriteOnce', 'ReadOnlyMany', 'ReadWriteMany'], + type='str'), + ), + supports_check_mode=True, + ) + + rval = OCPVC.run_ansible(module.params, module.check_mode) + + if 'failed' in rval: + module.fail_json(**rval) + + return module.exit_json(**rval) + + +if __name__ == '__main__': + main() + +# -*- -*- -*- End included fragment: ansible/oc_pvc.py -*- -*- -*- diff --git a/roles/lib_openshift/src/ansible/oc_pvc.py b/roles/lib_openshift/src/ansible/oc_pvc.py new file mode 100644 index 000000000..a5181e281 --- /dev/null +++ b/roles/lib_openshift/src/ansible/oc_pvc.py @@ -0,0 +1,35 @@ +# pylint: skip-file +# flake8: noqa + +#pylint: disable=too-many-branches +def main(): + ''' + ansible oc module for pvc + ''' + + 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, required=True, type='str'), + namespace=dict(default=None, required=True, type='str'), + volume_capacity=dict(default='1G', type='str'), + access_modes=dict(default='ReadWriteOnce', + choices=['ReadWriteOnce', 'ReadOnlyMany', 'ReadWriteMany'], + type='str'), + ), + supports_check_mode=True, + ) + + rval = OCPVC.run_ansible(module.params, module.check_mode) + + if 'failed' in rval: + module.fail_json(**rval) + + return module.exit_json(**rval) + + +if __name__ == '__main__': + main() diff --git a/roles/lib_openshift/src/class/oc_pvc.py b/roles/lib_openshift/src/class/oc_pvc.py new file mode 100644 index 000000000..c73abc47c --- /dev/null +++ b/roles/lib_openshift/src/class/oc_pvc.py @@ -0,0 +1,167 @@ +# pylint: skip-file +# flake8: noqa + + +# pylint: disable=too-many-instance-attributes +class OCPVC(OpenShiftCLI): + ''' Class to wrap the oc command line tools ''' + kind = 'pvc' + + # pylint allows 5 + # pylint: disable=too-many-arguments + def __init__(self, + config, + verbose=False): + ''' Constructor for OCVolume ''' + super(OCPVC, self).__init__(config.namespace, config.kubeconfig) + self.config = config + self.namespace = config.namespace + self._pvc = None + + @property + def pvc(self): + ''' property function pvc''' + if not self._pvc: + self.get() + return self._pvc + + @pvc.setter + def pvc(self, data): + ''' setter function for yedit var ''' + self._pvc = data + + def bound(self): + '''return whether the pvc is bound''' + if self.pvc.get_volume_name(): + return True + + return False + + def exists(self): + ''' return whether a pvc exists ''' + if self.pvc: + return True + + return False + + def get(self): + '''return pvc information ''' + result = self._get(self.kind, self.config.name) + if result['returncode'] == 0: + self.pvc = PersistentVolumeClaim(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''' + # need to update the tls information and the service name + return self._replace_content(self.kind, self.config.name, self.config.data) + + def needs_update(self): + ''' verify an update is needed ''' + if self.pvc.get_volume_name() or self.pvc.is_bound(): + return False + + skip = [] + return not Utils.check_def_equal(self.config.data, self.pvc.yaml_dict, skip_keys=skip, debug=True) + + # pylint: disable=too-many-branches,too-many-return-statements + @staticmethod + def run_ansible(params, check_mode): + '''run the idempotent ansible code''' + pconfig = PersistentVolumeClaimConfig(params['name'], + params['namespace'], + params['kubeconfig'], + params['access_modes'], + params['volume_capacity'], + ) + oc_pvc = OCPVC(pconfig, verbose=params['debug']) + + state = params['state'] + + api_rval = oc_pvc.get() + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + ##### + # Get + ##### + if state == 'list': + return {'changed': False, 'results': api_rval['results'], 'state': state} + + ######## + # Delete + ######## + if state == 'absent': + if oc_pvc.exists(): + + if check_mode: + return {'changed': False, 'msg': 'CHECK_MODE: Would have performed a delete.'} + + api_rval = oc_pvc.delete() + + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + return {'changed': True, 'results': api_rval, 'state': state} + + return {'changed': False, 'state': state} + + if state == 'present': + ######## + # Create + ######## + if not oc_pvc.exists(): + + if check_mode: + return {'changed': True, 'msg': 'CHECK_MODE: Would have performed a create.'} + + # Create it here + api_rval = oc_pvc.create() + + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + # return the created object + api_rval = oc_pvc.get() + + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + return {'changed': True, 'results': api_rval, 'state': state} + + ######## + # Update + ######## + if oc_pvc.pvc.is_bound() or oc_pvc.pvc.get_volume_name(): + api_rval['msg'] = '##### - This volume is currently bound. Will not update - ####' + return {'changed': False, 'results': api_rval, 'state': state} + + if oc_pvc.needs_update(): + api_rval = oc_pvc.update() + + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + # return the created object + api_rval = oc_pvc.get() + + if api_rval['returncode'] != 0: + return {'failed': True, 'msg': api_rval} + + return {'changed': True, 'results': api_rval, 'state': state} + + return {'changed': False, 'results': api_rval, 'state': state} + + return {'failed': True, 'msg': 'Unknown state passed. {}'.format(state)} diff --git a/roles/lib_openshift/src/doc/pvc b/roles/lib_openshift/src/doc/pvc new file mode 100644 index 000000000..9240f2a0f --- /dev/null +++ b/roles/lib_openshift/src/doc/pvc @@ -0,0 +1,76 @@ +# flake8: noqa +# pylint: skip-file + +DOCUMENTATION = ''' +--- +module: oc_pvc +short_description: Modify, and idempotently manage openshift persistent volume claims +description: + - Modify openshift persistent volume claims programmatically. +options: + state: + description: + - Supported states, present, absent, list + - present - will ensure object is created or updated to the value specified + - list - will return a pvc + - absent - will remove a pvc + 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: [] + namespace: + description: + - The namespace where the object lives. + required: false + default: str + aliases: [] + volume_capacity: + description: + - The requested volume capacity + required: False + default: 1G + aliases: [] + access_modes: + description: + - The access modes allowed for the pvc + - Expects a list + required: False + default: ReadWriteOnce + choices: + - ReadWriteOnce + - ReadOnlyMany + - ReadWriteMany + aliases: [] +author: +- "Kenny Woodson <kwoodson@redhat.com>" +extends_documentation_fragment: [] +''' + +EXAMPLES = ''' +- name: create a pvc + oc_pvc: + namespace: awesomeapp + name: dbstorage + access_modes: + - ReadWriteOnce + volume_capacity: 5G + register: pvcout +''' diff --git a/roles/lib_openshift/src/lib/pvc.py b/roles/lib_openshift/src/lib/pvc.py new file mode 100644 index 000000000..929b50990 --- /dev/null +++ b/roles/lib_openshift/src/lib/pvc.py @@ -0,0 +1,167 @@ +# pylint: skip-file +# flake8: noqa + + +# pylint: disable=too-many-instance-attributes +class PersistentVolumeClaimConfig(object): + ''' Handle pvc options ''' + # pylint: disable=too-many-arguments + def __init__(self, + sname, + namespace, + kubeconfig, + access_modes=None, + vol_capacity='1G'): + ''' constructor for handling pvc options ''' + self.kubeconfig = kubeconfig + self.name = sname + self.namespace = namespace + self.access_modes = access_modes + self.vol_capacity = vol_capacity + self.data = {} + + self.create_dict() + + def create_dict(self): + ''' return a service as a dict ''' + # version + self.data['apiVersion'] = 'v1' + # kind + self.data['kind'] = 'PersistentVolumeClaim' + # metadata + self.data['metadata'] = {} + self.data['metadata']['name'] = self.name + # spec + self.data['spec'] = {} + self.data['spec']['accessModes'] = ['ReadWriteOnce'] + if self.access_modes: + self.data['spec']['accessModes'] = self.access_modes + + # storage capacity + self.data['spec']['resources'] = {} + self.data['spec']['resources']['requests'] = {} + self.data['spec']['resources']['requests']['storage'] = self.vol_capacity + + +# pylint: disable=too-many-instance-attributes,too-many-public-methods +class PersistentVolumeClaim(Yedit): + ''' Class to wrap the oc command line tools ''' + access_modes_path = "spec.accessModes" + volume_capacity_path = "spec.requests.storage" + volume_name_path = "spec.volumeName" + bound_path = "status.phase" + kind = 'PersistentVolumeClaim' + + def __init__(self, content): + '''RoleBinding constructor''' + super(PersistentVolumeClaim, self).__init__(content=content) + self._access_modes = None + self._volume_capacity = None + self._volume_name = None + + @property + def volume_name(self): + ''' volume_name property ''' + if self._volume_name is None: + self._volume_name = self.get_volume_name() + return self._volume_name + + @volume_name.setter + def volume_name(self, data): + ''' volume_name property setter''' + self._volume_name = data + + @property + def access_modes(self): + ''' access_modes property ''' + if self._access_modes is None: + self._access_modes = self.get_access_modes() + if not isinstance(self._access_modes, list): + self._access_modes = list(self._access_modes) + + return self._access_modes + + @access_modes.setter + def access_modes(self, data): + ''' access_modes property setter''' + if not isinstance(data, list): + data = list(data) + + self._access_modes = data + + @property + def volume_capacity(self): + ''' volume_capacity property ''' + if self._volume_capacity is None: + self._volume_capacity = self.get_volume_capacity() + return self._volume_capacity + + @volume_capacity.setter + def volume_capacity(self, data): + ''' volume_capacity property setter''' + self._volume_capacity = data + + def get_access_modes(self): + '''get access_modes''' + return self.get(PersistentVolumeClaim.access_modes_path) or [] + + def get_volume_capacity(self): + '''get volume_capacity''' + return self.get(PersistentVolumeClaim.volume_capacity_path) or [] + + def get_volume_name(self): + '''get volume_name''' + return self.get(PersistentVolumeClaim.volume_name_path) or [] + + def is_bound(self): + '''return whether volume is bound''' + return self.get(PersistentVolumeClaim.bound_path) or [] + + #### ADD ##### + def add_access_mode(self, inc_mode): + ''' add an access_mode''' + if self.access_modes: + self.access_modes.append(inc_mode) + else: + self.put(PersistentVolumeClaim.access_modes_path, [inc_mode]) + + return True + + #### /ADD ##### + + #### Remove ##### + def remove_access_mode(self, inc_mode): + ''' remove an access_mode''' + try: + self.access_modes.remove(inc_mode) + except ValueError as _: + return False + + return True + + #### /REMOVE ##### + + #### UPDATE ##### + def update_access_mode(self, inc_mode): + ''' update an access_mode''' + try: + index = self.access_modes.index(inc_mode) + except ValueError as _: + return self.add_access_mode(inc_mode) + + self.access_modes[index] = inc_mode + + return True + + #### /UPDATE ##### + + #### FIND #### + def find_access_mode(self, inc_mode): + ''' find a user ''' + index = None + try: + index = self.access_modes.index(inc_mode) + except ValueError as _: + return index + + return index diff --git a/roles/lib_openshift/src/sources.yml b/roles/lib_openshift/src/sources.yml index 91ee86750..42b85c2b4 100644 --- a/roles/lib_openshift/src/sources.yml +++ b/roles/lib_openshift/src/sources.yml @@ -152,6 +152,17 @@ oc_project.py: - class/oc_project.py - ansible/oc_project.py +oc_pvc.py: +- doc/generated +- doc/license +- lib/import.py +- doc/pvc +- ../../lib_utils/src/class/yedit.py +- lib/base.py +- lib/pvc.py +- class/oc_pvc.py +- ansible/oc_pvc.py + oc_route.py: - doc/generated - doc/license diff --git a/roles/lib_openshift/src/test/unit/test_oc_pvc.py b/roles/lib_openshift/src/test/unit/test_oc_pvc.py new file mode 100755 index 000000000..19747f531 --- /dev/null +++ b/roles/lib_openshift/src/test/unit/test_oc_pvc.py @@ -0,0 +1,203 @@ +''' + Unit tests for oc pvc +''' + +import copy +import os +import six +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,wrong-import-position +# 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_pvc import OCPVC, locate_oc_binary # noqa: E402 + + +class OCPVCTest(unittest.TestCase): + ''' + Test class for OCPVC + ''' + params = {'kubeconfig': '/etc/origin/master/admin.kubeconfig', + 'state': 'present', + 'debug': False, + 'name': 'mypvc', + 'namespace': 'test', + 'volume_capacity': '1G', + 'access_modes': 'ReadWriteMany'} + + @mock.patch('oc_pvc.Utils.create_tmpfile_copy') + @mock.patch('oc_pvc.OCPVC._run') + def test_create_pvc(self, mock_run, mock_tmpfile_copy): + ''' Testing a pvc create ''' + params = copy.deepcopy(OCPVCTest.params) + + pvc = '''{"kind": "PersistentVolumeClaim", + "apiVersion": "v1", + "metadata": { + "name": "mypvc", + "namespace": "test", + "selfLink": "/api/v1/namespaces/test/persistentvolumeclaims/mypvc", + "uid": "77597898-d8d8-11e6-aea5-0e3c0c633889", + "resourceVersion": "126510787", + "creationTimestamp": "2017-01-12T15:04:50Z", + "labels": { + "mypvc": "database" + }, + "annotations": { + "pv.kubernetes.io/bind-completed": "yes", + "pv.kubernetes.io/bound-by-controller": "yes", + "v1.2-volume.experimental.kubernetes.io/provisioning-required": "volume.experimental.kubernetes.io/provisioning-completed" + } + }, + "spec": { + "accessModes": [ + "ReadWriteOnce" + ], + "resources": { + "requests": { + "storage": "1Gi" + } + }, + "volumeName": "pv-aws-ow5vl" + }, + "status": { + "phase": "Bound", + "accessModes": [ + "ReadWriteOnce" + ], + "capacity": { + "storage": "1Gi" + } + } + }''' + + mock_run.side_effect = [ + (1, '', 'Error from server: persistentvolumeclaims "mypvc" not found'), + (1, '', 'Error from server: persistentvolumeclaims "mypvc" not found'), + (0, '', ''), + (0, pvc, ''), + ] + + mock_tmpfile_copy.side_effect = [ + '/tmp/mocked_kubeconfig', + ] + + results = OCPVC.run_ansible(params, False) + + self.assertTrue(results['changed']) + self.assertEqual(results['results']['results'][0]['metadata']['name'], 'mypvc') + + @unittest.skipIf(six.PY3, 'py2 test only') + @mock.patch('os.path.exists') + @mock.patch('os.environ.get') + def test_binary_lookup_fallback(self, mock_env_get, mock_path_exists): + ''' Testing binary lookup fallback ''' + + mock_env_get.side_effect = lambda _v, _d: '' + + mock_path_exists.side_effect = lambda _: False + + self.assertEqual(locate_oc_binary(), 'oc') + + @unittest.skipIf(six.PY3, 'py2 test only') + @mock.patch('os.path.exists') + @mock.patch('os.environ.get') + def test_binary_lookup_in_path(self, mock_env_get, mock_path_exists): + ''' Testing binary lookup in path ''' + + oc_bin = '/usr/bin/oc' + + mock_env_get.side_effect = lambda _v, _d: '/bin:/usr/bin' + + mock_path_exists.side_effect = lambda f: f == oc_bin + + self.assertEqual(locate_oc_binary(), oc_bin) + + @unittest.skipIf(six.PY3, 'py2 test only') + @mock.patch('os.path.exists') + @mock.patch('os.environ.get') + def test_binary_lookup_in_usr_local(self, mock_env_get, mock_path_exists): + ''' Testing binary lookup in /usr/local/bin ''' + + oc_bin = '/usr/local/bin/oc' + + mock_env_get.side_effect = lambda _v, _d: '/bin:/usr/bin' + + mock_path_exists.side_effect = lambda f: f == oc_bin + + self.assertEqual(locate_oc_binary(), oc_bin) + + @unittest.skipIf(six.PY3, 'py2 test only') + @mock.patch('os.path.exists') + @mock.patch('os.environ.get') + def test_binary_lookup_in_home(self, mock_env_get, mock_path_exists): + ''' Testing binary lookup in ~/bin ''' + + oc_bin = os.path.expanduser('~/bin/oc') + + mock_env_get.side_effect = lambda _v, _d: '/bin:/usr/bin' + + mock_path_exists.side_effect = lambda f: f == oc_bin + + self.assertEqual(locate_oc_binary(), oc_bin) + + @unittest.skipIf(six.PY2, 'py3 test only') + @mock.patch('shutil.which') + @mock.patch('os.environ.get') + def test_binary_lookup_fallback_py3(self, mock_env_get, mock_shutil_which): + ''' Testing binary lookup fallback ''' + + mock_env_get.side_effect = lambda _v, _d: '' + + mock_shutil_which.side_effect = lambda _f, path=None: None + + self.assertEqual(locate_oc_binary(), 'oc') + + @unittest.skipIf(six.PY2, 'py3 test only') + @mock.patch('shutil.which') + @mock.patch('os.environ.get') + def test_binary_lookup_in_path_py3(self, mock_env_get, mock_shutil_which): + ''' Testing binary lookup in path ''' + + oc_bin = '/usr/bin/oc' + + mock_env_get.side_effect = lambda _v, _d: '/bin:/usr/bin' + + mock_shutil_which.side_effect = lambda _f, path=None: oc_bin + + self.assertEqual(locate_oc_binary(), oc_bin) + + @unittest.skipIf(six.PY2, 'py3 test only') + @mock.patch('shutil.which') + @mock.patch('os.environ.get') + def test_binary_lookup_in_usr_local_py3(self, mock_env_get, mock_shutil_which): + ''' Testing binary lookup in /usr/local/bin ''' + + oc_bin = '/usr/local/bin/oc' + + mock_env_get.side_effect = lambda _v, _d: '/bin:/usr/bin' + + mock_shutil_which.side_effect = lambda _f, path=None: oc_bin + + self.assertEqual(locate_oc_binary(), oc_bin) + + @unittest.skipIf(six.PY2, 'py3 test only') + @mock.patch('shutil.which') + @mock.patch('os.environ.get') + def test_binary_lookup_in_home_py3(self, mock_env_get, mock_shutil_which): + ''' Testing binary lookup in ~/bin ''' + + oc_bin = os.path.expanduser('~/bin/oc') + + mock_env_get.side_effect = lambda _v, _d: '/bin:/usr/bin' + + mock_shutil_which.side_effect = lambda _f, path=None: oc_bin + + self.assertEqual(locate_oc_binary(), oc_bin) |