diff options
| -rwxr-xr-x | playbooks/aws/openshift-cluster/accept.yml | 48 | ||||
| -rw-r--r-- | roles/lib_openshift/library/oc_adm_csr.py | 1650 | ||||
| -rw-r--r-- | roles/lib_openshift/src/ansible/oc_adm_csr.py | 36 | ||||
| -rw-r--r-- | roles/lib_openshift/src/class/oc_adm_csr.py | 197 | ||||
| -rw-r--r-- | roles/lib_openshift/src/doc/csr | 80 | ||||
| -rw-r--r-- | roles/lib_openshift/src/sources.yml | 10 | ||||
| -rwxr-xr-x | roles/lib_openshift/src/test/integration/oc_adm_csr.yml | 28 |
7 files changed, 2049 insertions, 0 deletions
diff --git a/playbooks/aws/openshift-cluster/accept.yml b/playbooks/aws/openshift-cluster/accept.yml new file mode 100755 index 000000000..d43c84205 --- /dev/null +++ b/playbooks/aws/openshift-cluster/accept.yml @@ -0,0 +1,48 @@ +--- +- name: Setup the vpc and the master node group + #hosts: oo_first_master + hosts: localhost + remote_user: root + gather_facts: no + tasks: + - name: get provisioning vars + include_vars: vars.yml + + - name: bring lib_openshift into scope + include_role: + name: lib_openshift + + - name: fetch masters + ec2_remote_facts: + region: "{{ provision.region }}" + filters: + "tag:clusterid": "{{ provision.clusterid }}" + "tag:host-type": master + instance-state-name: running + register: mastersout + retries: 20 + delay: 3 + until: "'instances' in mastersout and mastersout.instances|length > 0" + + - name: fetch new node instances + ec2_remote_facts: + region: "{{ provision.region }}" + filters: + "tag:clusterid": "{{ provision.clusterid }}" + "tag:host-type": node + instance-state-name: running + register: instancesout + retries: 20 + delay: 3 + until: "'instances' in instancesout and instancesout.instances|length > 0" + + - debug: + msg: "{{ instancesout.instances|map(attribute='private_dns_name') | list | regex_replace('.ec2.internal') }}" + + - name: approve nodes + oc_adm_csr: + #approve_all: True + nodes: "{{ instancesout.instances|map(attribute='private_dns_name') | list | regex_replace('.ec2.internal') }}" + timeout: 0 + register: nodeout + delegate_to: "{{ mastersout.instances[0].public_ip_address }}" diff --git a/roles/lib_openshift/library/oc_adm_csr.py b/roles/lib_openshift/library/oc_adm_csr.py new file mode 100644 index 000000000..96ba9722c --- /dev/null +++ b/roles/lib_openshift/library/oc_adm_csr.py @@ -0,0 +1,1650 @@ +#!/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/csr -*- -*- -*- + +DOCUMENTATION = ''' +--- +module: oc_adm_csr +short_description: Module to approve or deny openshift certificate signing requests +description: + - Wrapper around the openshift `oc adm certificate approve|deny <csr>` command. +options: + state: + description: + - approve|deny|list Approve, deny, and list are the only supported states for certificates + required: false + default: present + choices: + - present + 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: [] + nodes: + description: + - A list of the names of the nodes in which to accept the certificates + required: false + default: None + aliases: [] + timeout: + description: + - This flag allows for a timeout value when approving nodes. + required: false + default: 30 + aliases: [] + timeout: + description: + - This flag allows for a timeout value when doing node approvals. + - A zero value for the timeout will block until the nodes have been accepted + required: false + default: 30 + aliases: [] + approve_all: + description: + - This flag allows for the module to approve all CSRs that are found. + - This facilitates testing. + required: false + default: False + aliases: [] + service_account: + description: + - This parameter tells the approval process which service account is being used for the requests + required: false + default: node-bootstrapper + aliases: [] +author: +- "Kenny Woodson <kwoodson@redhat.com>" +extends_documentation_fragment: [] +''' + +EXAMPLES = ''' +- name: Approve certificates for node xyz + oc_adm_scr: + nodes: + - xyz + timeout: 300 + +- name: Approve certificates for node xyz + oc_adm_scr: + nodes: + - xyz + timeout: 0 +''' + +# -*- -*- -*- End included fragment: doc/csr -*- -*- -*- + +# -*- -*- -*- Begin included fragment: ../../lib_utils/src/class/yedit.py -*- -*- -*- + + +class YeditException(Exception): # pragma: no cover + ''' Exception class for Yedit ''' + pass + + +# pylint: disable=too-many-public-methods +class Yedit(object): # pragma: no cover + ''' Class to modify yaml files ''' + re_valid_key = r"(((\[-?\d+\])|([0-9a-zA-Z%s/_-]+)).?)+$" + re_key = r"(?:\[(-?\d+)\])|([0-9a-zA-Z{}/_-]+)" + 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 separator ''' + return self._separator + + @separator.setter + def separator(self, inc_sep): + ''' setter method for separator ''' + self._separator = inc_sep + + @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.format(''.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.format(''.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) + 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) + 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. {}'.format(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=[{}] type=[{}]'.format(value, type(value))) + + 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 result is None: + return (False, self.yaml_dict) + + # When path equals "" it is a special case. + # "" refers to the root of the document + # Only update the root path (entire document) when its a list or dict + if path == '': + if isinstance(result, list) or isinstance(result, dict): + self.yaml_dict = result + return (True, self.yaml_dict) + + 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 is not None: + 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=[{}] vtype=[{}]'.format(inc_value, vtype)) + elif isinstance(inc_value, bool) and 'str' in vtype: + inc_value = str(inc_value) + + # There is a special case where '' will turn into None after yaml loading it so skip + if isinstance(inc_value, str) and inc_value == '': + pass + # If vtype is not str then go ahead and attempt to yaml load it. + elif isinstance(inc_value, str) and 'str' not in vtype: + try: + inc_value = yaml.safe_load(inc_value) + except Exception: + raise YeditException('Could not determine type of incoming value. ' + + 'value=[{}] vtype=[{}]'.format(type(inc_value), vtype)) + + return inc_value + + @staticmethod + def process_edits(edits, yamlfile): + '''run through a list of edits and process them one-by-one''' + results = [] + for edit in edits: + value = Yedit.parse_value(edit['value'], edit.get('value_type', '')) + if edit.get('action') == 'update': + # pylint: disable=line-too-long + curr_value = Yedit.get_curr_value( + Yedit.parse_value(edit.get('curr_value')), + edit.get('curr_value_format')) + + rval = yamlfile.update(edit['key'], + value, + edit.get('index'), + curr_value) + + elif edit.get('action') == 'append': + rval = yamlfile.append(edit['key'], value) + + else: + rval = yamlfile.put(edit['key'], value) + + if rval[0]: + results.append({'key': edit['key'], 'edit': rval[1]}) + + return {'changed': len(results) > 0, 'results': results} + + # pylint: disable=too-many-return-statements,too-many-branches + @staticmethod + def run_ansible(params): + '''perform the idempotent crud operations''' + yamlfile = Yedit(filename=params['src'], + backup=params['backup'], + separator=params['separator']) + + state = params['state'] + + if params['src']: + rval = yamlfile.load() + + if yamlfile.yaml_dict is None and state != 'present': + return {'failed': True, + 'msg': 'Error opening file [{}]. Verify that the '.format(params['src']) + + 'file exists, that it is has correct permissions, and is valid yaml.'} + + if state == 'list': + if params['content']: + content = Yedit.parse_value(params['content'], params['content_type']) + yamlfile.yaml_dict = content + + if params['key']: + rval = yamlfile.get(params['key']) or {} + + return {'changed': False, 'result': rval, 'state': state} + + elif state == 'absent': + if params['content']: + content = Yedit.parse_value(params['content'], params['content_type']) + yamlfile.yaml_dict = content + + if params['update']: + rval = yamlfile.pop(params['key'], params['value']) + else: + rval = yamlfile.delete(params['key']) + + if rval[0] and params['src']: + yamlfile.write() + + return {'changed': rval[0], 'result': rval[1], 'state': state} + + elif state == 'present': + # check if content is different than what is in the file + if params['content']: + content = Yedit.parse_value(params['content'], params['content_type']) + + # We had no edits to make and the contents are the same + if yamlfile.yaml_dict == content and \ + params['value'] is None: + return {'changed': False, 'result': yamlfile.yaml_dict, 'state': state} + + yamlfile.yaml_dict = content + + # If we were passed a key, value then + # we enapsulate it in a list and process it + # Key, Value passed to the module : Converted to Edits list # + edits = [] + _edit = {} + if params['value'] is not None: + _edit['value'] = params['value'] + _edit['value_type'] = params['value_type'] + _edit['key'] = params['key'] + + if params['update']: + _edit['action'] = 'update' + _edit['curr_value'] = params['curr_value'] + _edit['curr_value_format'] = params['curr_value_format'] + _edit['index'] = params['index'] + + elif params['append']: + _edit['action'] = 'append' + + edits.append(_edit) + + elif params['edits'] is not None: + edits = params['edits'] + + if edits: + results = Yedit.process_edits(edits, yamlfile) + + # if there were changes and a src provided to us we need to write + if results['changed'] and params['src']: + yamlfile.write() + + return {'changed': results['changed'], 'result': results['results'], 'state': state} + + # no edits to make + if params['src']: + # pylint: disable=redefined-variable-type + rval = yamlfile.write() + return {'changed': rval[0], + 'result': rval[1], + 'state': state} + + # We were passed content but no src, key or value, or edits. Return contents in memory + return {'changed': False, 'result': yamlfile.yaml_dict, 'state': state} + 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''' + # We are removing the 'resourceVersion' to handle + # a race condition when modifying oc objects + yed = Yedit(fname) + results = yed.delete('metadata.resourceVersion') + if results[0]: + yed.write() + + 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, name=None, selector=None): + '''call oc delete on a resource''' + cmd = ['delete', resource] + if selector is not None: + cmd.append('--selector={}'.format(selector)) + elif name is not None: + cmd.append(name) + else: + raise OpenShiftCLIError('Either name or selector is required when calling delete.') + + 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 = ["{}={}".format(key, str(value).replace("'", r'"')) 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, name=None, selector=None): + '''return a resource by name ''' + cmd = ['get', resource] + if selector is not None: + cmd.append('--selector={}'.format(selector)) + elif name is not None: + cmd.append(name) + + 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={}'.format(selector)) + + cmd.append('--schedulable={}'.format(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={}'.format(selector)) + + if pod_selector: + cmd.append('--pod-selector={}'.format(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={}'.format(selector)) + + if dry_run: + cmd.append('--dry-run') + + if pod_selector: + cmd.append('--pod-selector={}'.format(pod_selector)) + + if grace_period: + cmd.append('--grace-period={}'.format(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('utf-8'), stderr.decode('utf-8') + + # 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]) + + 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, + "cmd": ' '.join(cmds)} + + if output_type == 'json': + rval['results'] = {} + if output and stdout: + try: + rval['results'] = json.loads(stdout) + except ValueError as verr: + if "No JSON object could be decoded" in verr.args: + rval['err'] = verr.args + elif output_type == 'raw': + rval['results'] = stdout if output else '' + + if self.verbose: + print("STDOUT: {0}".format(stdout)) + print("STDERR: {0}".format(stderr)) + + if 'err' in rval or returncode != 0: + rval.update({"stderr": stderr, + "stdout": stdout}) + + return rval + + +class Utils(object): # pragma: no cover + ''' 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, ascommalist=''): + '''return all options as a string + if ascommalist is set to the name of a key, and + the value of that key is a dict, format the dict + as a list of comma delimited key=value pairs''' + return self.stringify(ascommalist) + + def stringify(self, ascommalist=''): + ''' return the options hash as cli params in a string + if ascommalist is set to the name of a key, and + the value of that key is a dict, format the dict + as a list of comma delimited key=value pairs ''' + 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)): + if key == ascommalist: + val = ','.join(['{}={}'.format(kk, vv) for kk, vv in sorted(data['value'].items())]) + else: + val = data['value'] + rval.append('--{}={}'.format(key.replace('_', '-'), val)) + + return rval + + +# -*- -*- -*- End included fragment: lib/base.py -*- -*- -*- + +# -*- -*- -*- Begin included fragment: class/oc_adm_csr.py -*- -*- -*- + + +class OCcsr(OpenShiftCLI): + ''' Class to wrap the oc adm certificate command line''' + kind = 'csr' + + # pylint: disable=too-many-arguments + def __init__(self, + nodes=None, + approve_all=False, + service_account=None, + kubeconfig='/etc/origin/master/admin.kubeconfig', + verbose=False): + ''' Constructor for oc adm certificate ''' + super(OCcsr, self).__init__(None, kubeconfig, verbose) + self.service_account = service_account + self.nodes = self.create_nodes(nodes) + self._csrs = [] + self.approve_all = approve_all + self.verbose = verbose + + @property + def csrs(self): + '''property for managing csrs''' + # any processing needed?? + self._csrs = self._get(resource=self.kind)['results'][0]['items'] + return self._csrs + + def create_nodes(self, nodes): + '''create a node object to track csr signing status''' + nodes_list = [] + + if nodes is None: + return nodes_list + + results = self._get(resource='nodes')['results'][0]['items'] + + for node in nodes: + nodes_list.append(dict(name=node, csrs={}, accepted=False, denied=False)) + + for ocnode in results: + if node in ocnode['metadata']['name']: + nodes_list[-1]['accepted'] = True + + return nodes_list + + def get(self): + '''get the current certificate signing requests''' + return self.csrs + + @staticmethod + def action_needed(csr, action): + '''check to see if csr is in desired state''' + if csr['status'] == {}: + return True + + state = csr['status']['conditions'][0]['type'] + + if action == 'approve' and state != 'Approved': + return True + + elif action == 'deny' and state != 'Denied': + return True + + return False + + def match_node(self, csr): + '''match an inc csr to a node in self.nodes''' + for node in self.nodes: + # we have a match + if node['name'] in csr['metadata']['name']: + node['csrs'][csr['metadata']['name']] = csr + + # check that the username is the node and type is 'Approved' + if node['name'] in csr['spec']['username'] and csr['status']: + if csr['status']['conditions'][0]['type'] == 'Approved': + node['accepted'] = True + # check type is 'Denied' and mark node as such + if csr['status'] and csr['status']['conditions'][0]['type'] == 'Denied': + node['denied'] = True + + return node + + return None + + def finished(self): + '''determine if there are more csrs to sign''' + # if nodes is set and we have nodes then return if all nodes are 'accepted' + if self.nodes is not None and len(self.nodes) > 0: + return all([node['accepted'] or node['denied'] for node in self.nodes]) + + # we are approving everything or we still have nodes outstanding + return False + + def manage(self, action): + '''run openshift oc adm ca create-server-cert cmd and store results into self.nodes + + we attempt to verify if the node is one that was given to us to accept. + + action - (allow | deny) + ''' + + results = [] + # There are 2 types of requests: + # - node-bootstrapper-client-ip-172-31-51-246-ec2-internal + # The client request allows the client to talk to the api/controller + # - node-bootstrapper-server-ip-172-31-51-246-ec2-internal + # The server request allows the server to join the cluster + # Here we need to determine how to approve/deny + # we should query the csrs and verify they are from the nodes we thought + for csr in self.csrs: + node = self.match_node(csr) + # oc adm certificate <approve|deny> csr + # there are 3 known states: Denied, Aprroved, {} + # verify something is needed by OCcsr.action_needed + # if approve_all, then do it + # if you passed in nodes, you must have a node that matches + if self.approve_all or (node and OCcsr.action_needed(csr, action)): + result = self.openshift_cmd(['certificate', action, csr['metadata']['name']], oadm=True) + # client should have service account name in username field + # server should have node name in username field + if node and csr['metadata']['name'] not in node['csrs']: + node['csrs'][csr['metadata']['name']] = csr + + # accept node in cluster + if node['name'] in csr['spec']['username']: + node['accepted'] = True + + results.append(result) + + return results + + @staticmethod + def run_ansible(params, check_mode=False): + '''run the idempotent ansible code''' + + client = OCcsr(params['nodes'], + params['approve_all'], + params['service_account'], + params['kubeconfig'], + params['debug']) + + state = params['state'] + + api_rval = client.get() + + if state == 'list': + return {'changed': False, 'results': api_rval, 'state': state} + + if state in ['approve', 'deny']: + if check_mode: + return {'changed': True, + 'msg': "CHECK_MODE: Would have {} the certificate.".format(params['state']), + 'state': state} + + all_results = [] + finished = False + timeout = False + import time + # loop for timeout or block until all nodes pass + ctr = 0 + while True: + + all_results.extend(client.manage(params['state'])) + if client.finished(): + finished = True + break + + if params['timeout'] == 0: + if not params['approve_all']: + ctr = 0 + + if ctr * 2 > params['timeout']: + timeout = True + break + + # This provides time for the nodes to send their csr requests between approvals + time.sleep(2) + + ctr += 1 + + for result in all_results: + if result['returncode'] != 0: + return {'failed': True, 'msg': all_results} + + return dict(changed=len(all_results) > 0, + results=all_results, + nodes=client.nodes, + state=state, + finished=finished, + timeout=timeout) + + return {'failed': True, + 'msg': 'Unknown state passed. %s' % state} + + +# -*- -*- -*- End included fragment: class/oc_adm_csr.py -*- -*- -*- + +# -*- -*- -*- Begin included fragment: ansible/oc_adm_csr.py -*- -*- -*- + +def main(): + ''' + ansible oc module for approving certificate signing requests + ''' + + module = AnsibleModule( + argument_spec=dict( + kubeconfig=dict(default='/etc/origin/master/admin.kubeconfig', type='str'), + state=dict(default='approve', type='str', + choices=['approve', 'deny', 'list']), + debug=dict(default=False, type='bool'), + nodes=dict(default=None, type='list'), + timeout=dict(default=30, type='int'), + approve_all=dict(default=False, type='bool'), + service_account=dict(default='node-bootstrapper', type='str'), + ), + supports_check_mode=True, + mutually_exclusive=[['approve_all', 'nodes']], + ) + + if module.params['nodes'] == []: + module.fail_json(**dict(failed=True, msg='Please specify hosts.')) + + rval = OCcsr.run_ansible(module.params, module.check_mode) + + if 'failed' in rval: + return module.fail_json(**rval) + + return module.exit_json(**rval) + + +if __name__ == '__main__': + main() + +# -*- -*- -*- End included fragment: ansible/oc_adm_csr.py -*- -*- -*- diff --git a/roles/lib_openshift/src/ansible/oc_adm_csr.py b/roles/lib_openshift/src/ansible/oc_adm_csr.py new file mode 100644 index 000000000..9e43a810b --- /dev/null +++ b/roles/lib_openshift/src/ansible/oc_adm_csr.py @@ -0,0 +1,36 @@ +# pylint: skip-file +# flake8: noqa + +def main(): + ''' + ansible oc module for approving certificate signing requests + ''' + + module = AnsibleModule( + argument_spec=dict( + kubeconfig=dict(default='/etc/origin/master/admin.kubeconfig', type='str'), + state=dict(default='approve', type='str', + choices=['approve', 'deny', 'list']), + debug=dict(default=False, type='bool'), + nodes=dict(default=None, type='list'), + timeout=dict(default=30, type='int'), + approve_all=dict(default=False, type='bool'), + service_account=dict(default='node-bootstrapper', type='str'), + ), + supports_check_mode=True, + mutually_exclusive=[['approve_all', 'nodes']], + ) + + if module.params['nodes'] == []: + module.fail_json(**dict(failed=True, msg='Please specify hosts.')) + + rval = OCcsr.run_ansible(module.params, module.check_mode) + + if 'failed' in rval: + return module.fail_json(**rval) + + return module.exit_json(**rval) + + +if __name__ == '__main__': + main() diff --git a/roles/lib_openshift/src/class/oc_adm_csr.py b/roles/lib_openshift/src/class/oc_adm_csr.py new file mode 100644 index 000000000..ea11c6ca9 --- /dev/null +++ b/roles/lib_openshift/src/class/oc_adm_csr.py @@ -0,0 +1,197 @@ +# pylint: skip-file +# flake8: noqa + + +class OCcsr(OpenShiftCLI): + ''' Class to wrap the oc adm certificate command line''' + kind = 'csr' + + # pylint: disable=too-many-arguments + def __init__(self, + nodes=None, + approve_all=False, + service_account=None, + kubeconfig='/etc/origin/master/admin.kubeconfig', + verbose=False): + ''' Constructor for oc adm certificate ''' + super(OCcsr, self).__init__(None, kubeconfig, verbose) + self.service_account = service_account + self.nodes = self.create_nodes(nodes) + self._csrs = [] + self.approve_all = approve_all + self.verbose = verbose + + @property + def csrs(self): + '''property for managing csrs''' + # any processing needed?? + self._csrs = self._get(resource=self.kind)['results'][0]['items'] + return self._csrs + + def create_nodes(self, nodes): + '''create a node object to track csr signing status''' + nodes_list = [] + + if nodes is None: + return nodes_list + + results = self._get(resource='nodes')['results'][0]['items'] + + for node in nodes: + nodes_list.append(dict(name=node, csrs={}, accepted=False, denied=False)) + + for ocnode in results: + if node in ocnode['metadata']['name']: + nodes_list[-1]['accepted'] = True + + return nodes_list + + def get(self): + '''get the current certificate signing requests''' + return self.csrs + + @staticmethod + def action_needed(csr, action): + '''check to see if csr is in desired state''' + if csr['status'] == {}: + return True + + state = csr['status']['conditions'][0]['type'] + + if action == 'approve' and state != 'Approved': + return True + + elif action == 'deny' and state != 'Denied': + return True + + return False + + def match_node(self, csr): + '''match an inc csr to a node in self.nodes''' + for node in self.nodes: + # we have a match + if node['name'] in csr['metadata']['name']: + node['csrs'][csr['metadata']['name']] = csr + + # check that the username is the node and type is 'Approved' + if node['name'] in csr['spec']['username'] and csr['status']: + if csr['status']['conditions'][0]['type'] == 'Approved': + node['accepted'] = True + # check type is 'Denied' and mark node as such + if csr['status'] and csr['status']['conditions'][0]['type'] == 'Denied': + node['denied'] = True + + return node + + return None + + def finished(self): + '''determine if there are more csrs to sign''' + # if nodes is set and we have nodes then return if all nodes are 'accepted' + if self.nodes is not None and len(self.nodes) > 0: + return all([node['accepted'] or node['denied'] for node in self.nodes]) + + # we are approving everything or we still have nodes outstanding + return False + + def manage(self, action): + '''run openshift oc adm ca create-server-cert cmd and store results into self.nodes + + we attempt to verify if the node is one that was given to us to accept. + + action - (allow | deny) + ''' + + results = [] + # There are 2 types of requests: + # - node-bootstrapper-client-ip-172-31-51-246-ec2-internal + # The client request allows the client to talk to the api/controller + # - node-bootstrapper-server-ip-172-31-51-246-ec2-internal + # The server request allows the server to join the cluster + # Here we need to determine how to approve/deny + # we should query the csrs and verify they are from the nodes we thought + for csr in self.csrs: + node = self.match_node(csr) + # oc adm certificate <approve|deny> csr + # there are 3 known states: Denied, Aprroved, {} + # verify something is needed by OCcsr.action_needed + # if approve_all, then do it + # if you passed in nodes, you must have a node that matches + if self.approve_all or (node and OCcsr.action_needed(csr, action)): + result = self.openshift_cmd(['certificate', action, csr['metadata']['name']], oadm=True) + # client should have service account name in username field + # server should have node name in username field + if node and csr['metadata']['name'] not in node['csrs']: + node['csrs'][csr['metadata']['name']] = csr + + # accept node in cluster + if node['name'] in csr['spec']['username']: + node['accepted'] = True + + results.append(result) + + return results + + @staticmethod + def run_ansible(params, check_mode=False): + '''run the idempotent ansible code''' + + client = OCcsr(params['nodes'], + params['approve_all'], + params['service_account'], + params['kubeconfig'], + params['debug']) + + state = params['state'] + + api_rval = client.get() + + if state == 'list': + return {'changed': False, 'results': api_rval, 'state': state} + + if state in ['approve', 'deny']: + if check_mode: + return {'changed': True, + 'msg': "CHECK_MODE: Would have {} the certificate.".format(params['state']), + 'state': state} + + all_results = [] + finished = False + timeout = False + import time + # loop for timeout or block until all nodes pass + ctr = 0 + while True: + + all_results.extend(client.manage(params['state'])) + if client.finished(): + finished = True + break + + if params['timeout'] == 0: + if not params['approve_all']: + ctr = 0 + + if ctr * 2 > params['timeout']: + timeout = True + break + + # This provides time for the nodes to send their csr requests between approvals + time.sleep(2) + + ctr += 1 + + for result in all_results: + if result['returncode'] != 0: + return {'failed': True, 'msg': all_results} + + return dict(changed=len(all_results) > 0, + results=all_results, + nodes=client.nodes, + state=state, + finished=finished, + timeout=timeout) + + return {'failed': True, + 'msg': 'Unknown state passed. %s' % state} + diff --git a/roles/lib_openshift/src/doc/csr b/roles/lib_openshift/src/doc/csr new file mode 100644 index 000000000..db72dbda3 --- /dev/null +++ b/roles/lib_openshift/src/doc/csr @@ -0,0 +1,80 @@ +# flake8: noqa +# pylint: skip-file + +DOCUMENTATION = ''' +--- +module: oc_adm_csr +short_description: Module to approve or deny openshift certificate signing requests +description: + - Wrapper around the openshift `oc adm certificate approve|deny <csr>` command. +options: + state: + description: + - approve|deny|list Approve, deny, and list are the only supported states for certificates + required: false + default: present + choices: + - present + 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: [] + nodes: + description: + - A list of the names of the nodes in which to accept the certificates + required: false + default: None + aliases: [] + timeout: + description: + - This flag allows for a timeout value when approving nodes. + required: false + default: 30 + aliases: [] + timeout: + description: + - This flag allows for a timeout value when doing node approvals. + - A zero value for the timeout will block until the nodes have been accepted + required: false + default: 30 + aliases: [] + approve_all: + description: + - This flag allows for the module to approve all CSRs that are found. + - This facilitates testing. + required: false + default: False + aliases: [] + service_account: + description: + - This parameter tells the approval process which service account is being used for the requests + required: false + default: node-bootstrapper + aliases: [] +author: +- "Kenny Woodson <kwoodson@redhat.com>" +extends_documentation_fragment: [] +''' + +EXAMPLES = ''' +- name: Approve certificates for node xyz + oc_adm_scr: + nodes: + - xyz + timeout: 300 + +- name: Approve certificates for node xyz + oc_adm_scr: + nodes: + - xyz + timeout: 0 +''' diff --git a/roles/lib_openshift/src/sources.yml b/roles/lib_openshift/src/sources.yml index e9b6bf261..4636f6b9b 100644 --- a/roles/lib_openshift/src/sources.yml +++ b/roles/lib_openshift/src/sources.yml @@ -9,6 +9,16 @@ oc_adm_ca_server_cert.py: - class/oc_adm_ca_server_cert.py - ansible/oc_adm_ca_server_cert.py +oc_adm_csr.py: +- doc/generated +- doc/license +- lib/import.py +- doc/csr +- ../../lib_utils/src/class/yedit.py +- lib/base.py +- class/oc_adm_csr.py +- ansible/oc_adm_csr.py + oc_adm_manage_node.py: - doc/generated - doc/license diff --git a/roles/lib_openshift/src/test/integration/oc_adm_csr.yml b/roles/lib_openshift/src/test/integration/oc_adm_csr.yml new file mode 100755 index 000000000..cad8e36f5 --- /dev/null +++ b/roles/lib_openshift/src/test/integration/oc_adm_csr.yml @@ -0,0 +1,28 @@ +#!/usr/bin/ansible-playbook --module-path=../../../library/ +# ./oc_adm_csr.yml -M ../../../library -e "cli_master_test=$OPENSHIFT_MASTER +--- +- hosts: masters + gather_facts: no + user: root + tasks: + - name: list csrs + oc_adm_csr: + state: list + register: csrout + + - debug: var=csrout + + - name: list csrs + oc_adm_csr: + state: approve + nodes: + - ip-172-31-51-0-ec2-internal + - ip-172-31-51-246-ec2-internal + - ip-172-31-54-12-ec2-internal + - ip-172-31-58-173-ec2-internal + - ip-172-31-58-212-ec2-internal + - ip-172-31-51-246-ec2-internal + - ip-172-31-54-12-ec2-internal + + register: csrout + - debug: var=csrout |