summaryrefslogtreecommitdiffstats
path: root/roles/lib_openshift/library
diff options
context:
space:
mode:
Diffstat (limited to 'roles/lib_openshift/library')
-rw-r--r--roles/lib_openshift/library/oc_label.py1517
1 files changed, 1517 insertions, 0 deletions
diff --git a/roles/lib_openshift/library/oc_label.py b/roles/lib_openshift/library/oc_label.py
new file mode 100644
index 000000000..9fc0a15b5
--- /dev/null
+++ b/roles/lib_openshift/library/oc_label.py
@@ -0,0 +1,1517 @@
+#!/usr/bin/env python
+# pylint: disable=missing-docstring
+# flake8: noqa: T001
+# ___ ___ _ _ ___ ___ _ _____ ___ ___
+# / __| __| \| | __| _ \ /_\_ _| __| \
+# | (_ | _|| .` | _|| / / _ \| | | _|| |) |
+# \___|___|_|\_|___|_|_\/_/_\_\_|_|___|___/_ _____
+# | \ / _ \ | \| |/ _ \_ _| | __| \_ _|_ _|
+# | |) | (_) | | .` | (_) || | | _|| |) | | | |
+# |___/ \___/ |_|\_|\___/ |_| |___|___/___| |_|
+#
+# Copyright 2016 Red Hat, Inc. and/or its affiliates
+# and other contributors as indicated by the @author tags.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+'''
+ OpenShiftCLI class that wraps the oc commands in a subprocess
+'''
+# pylint: disable=too-many-lines
+
+from __future__ import print_function
+import atexit
+import json
+import os
+import re
+import shutil
+import subprocess
+# pylint: disable=import-error
+import ruamel.yaml as yaml
+from ansible.module_utils.basic import AnsibleModule
+
+DOCUMENTATION = '''
+---
+module: oc_label
+short_description: Create, modify, and idempotently manage openshift object labels.
+description:
+ - Manage openshift object labels programmatically.
+options:
+ state:
+ description:
+ - State represents whether to create, modify, delete, or list
+ required: true
+ default: present
+ choices: ["present", "absent", "list", "add"]
+ 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: None
+ aliases: []
+ kind:
+ description:
+ - The kind of OpenShift object being queried (node or pod).
+ required: true
+ default: None
+ choices: ["node", "pod"]
+ aliases: []
+ labels:
+ description:
+ - List of label_name=label_value items.
+ required: false
+ default: None
+ aliases: []
+ selector:
+ description:
+ - XXX
+ required: false
+ default: None
+ aliases: []
+author:
+- "Kenny Woodson <kwoodson@redhat.com>"
+extends_documentation_fragment: []
+'''
+
+EXAMPLES = '''
+- name: Add label to node
+ oc_label:
+ state: add
+ kind: node
+ name: ip-172-31-5-23.ec2.internal
+ labels:
+ - key: provision_date
+ value: "2017-01-01"
+'''
+# noqa: E301,E302
+
+
+class YeditException(Exception):
+ ''' Exception class for Yedit '''
+ pass
+
+
+# pylint: disable=too-many-public-methods
+class Yedit(object):
+ ''' Class to modify yaml files '''
+ re_valid_key = r"(((\[-?\d+\])|([0-9a-zA-Z%s/_-]+)).?)+$"
+ re_key = r"(?:\[(-?\d+)\])|([0-9a-zA-Z%s/_-]+)"
+ com_sep = set(['.', '#', '|', ':'])
+
+ # pylint: disable=too-many-arguments
+ def __init__(self,
+ filename=None,
+ content=None,
+ content_type='yaml',
+ separator='.',
+ backup=False):
+ self.content = content
+ self._separator = separator
+ self.filename = filename
+ self.__yaml_dict = content
+ self.content_type = content_type
+ self.backup = backup
+ self.load(content_type=self.content_type)
+ if self.__yaml_dict is None:
+ self.__yaml_dict = {}
+
+ @property
+ def separator(self):
+ ''' getter method for yaml_dict '''
+ return self._separator
+
+ @separator.setter
+ def separator(self):
+ ''' getter method for yaml_dict '''
+ return self._separator
+
+ @property
+ def yaml_dict(self):
+ ''' getter method for yaml_dict '''
+ return self.__yaml_dict
+
+ @yaml_dict.setter
+ def yaml_dict(self, value):
+ ''' setter method for yaml_dict '''
+ self.__yaml_dict = value
+
+ @staticmethod
+ def parse_key(key, sep='.'):
+ '''parse the key allowing the appropriate separator'''
+ common_separators = list(Yedit.com_sep - set([sep]))
+ return re.findall(Yedit.re_key % ''.join(common_separators), key)
+
+ @staticmethod
+ def valid_key(key, sep='.'):
+ '''validate the incoming key'''
+ common_separators = list(Yedit.com_sep - set([sep]))
+ if not re.match(Yedit.re_valid_key % ''.join(common_separators), key):
+ return False
+
+ return True
+
+ @staticmethod
+ def remove_entry(data, key, sep='.'):
+ ''' remove data at location key '''
+ if key == '' and isinstance(data, dict):
+ data.clear()
+ return True
+ elif key == '' and isinstance(data, list):
+ del data[:]
+ return True
+
+ if not (key and Yedit.valid_key(key, sep)) and \
+ isinstance(data, (list, dict)):
+ return None
+
+ key_indexes = Yedit.parse_key(key, sep)
+ for arr_ind, dict_key in key_indexes[:-1]:
+ if dict_key and isinstance(data, dict):
+ data = data.get(dict_key, None)
+ elif (arr_ind and isinstance(data, list) and
+ int(arr_ind) <= len(data) - 1):
+ data = data[int(arr_ind)]
+ else:
+ return None
+
+ # process last index for remove
+ # expected list entry
+ if key_indexes[-1][0]:
+ if isinstance(data, list) and int(key_indexes[-1][0]) <= len(data) - 1: # noqa: E501
+ del data[int(key_indexes[-1][0])]
+ return True
+
+ # expected dict entry
+ elif key_indexes[-1][1]:
+ if isinstance(data, dict):
+ del data[key_indexes[-1][1]]
+ return True
+
+ @staticmethod
+ def add_entry(data, key, item=None, sep='.'):
+ ''' Get an item from a dictionary with key notation a.b.c
+ d = {'a': {'b': 'c'}}}
+ key = a#b
+ return c
+ '''
+ if key == '':
+ pass
+ elif (not (key and Yedit.valid_key(key, sep)) and
+ isinstance(data, (list, dict))):
+ return None
+
+ key_indexes = Yedit.parse_key(key, sep)
+ for arr_ind, dict_key in key_indexes[:-1]:
+ if dict_key:
+ if isinstance(data, dict) and dict_key in data and data[dict_key]: # noqa: E501
+ data = data[dict_key]
+ continue
+
+ elif data and not isinstance(data, dict):
+ return None
+
+ data[dict_key] = {}
+ data = data[dict_key]
+
+ elif (arr_ind and isinstance(data, list) and
+ int(arr_ind) <= len(data) - 1):
+ data = data[int(arr_ind)]
+ else:
+ return None
+
+ if key == '':
+ data = item
+
+ # process last index for add
+ # expected list entry
+ elif key_indexes[-1][0] and isinstance(data, list) and int(key_indexes[-1][0]) <= len(data) - 1: # noqa: E501
+ data[int(key_indexes[-1][0])] = item
+
+ # expected dict entry
+ elif key_indexes[-1][1] and isinstance(data, dict):
+ data[key_indexes[-1][1]] = item
+
+ return data
+
+ @staticmethod
+ def get_entry(data, key, sep='.'):
+ ''' Get an item from a dictionary with key notation a.b.c
+ d = {'a': {'b': 'c'}}}
+ key = a.b
+ return c
+ '''
+ if key == '':
+ pass
+ elif (not (key and Yedit.valid_key(key, sep)) and
+ isinstance(data, (list, dict))):
+ return None
+
+ key_indexes = Yedit.parse_key(key, sep)
+ for arr_ind, dict_key in key_indexes:
+ if dict_key and isinstance(data, dict):
+ data = data.get(dict_key, None)
+ elif (arr_ind and isinstance(data, list) and
+ int(arr_ind) <= len(data) - 1):
+ data = data[int(arr_ind)]
+ else:
+ return None
+
+ return data
+
+ def write(self):
+ ''' write to file '''
+ if not self.filename:
+ raise YeditException('Please specify a filename.')
+
+ if self.backup and self.file_exists():
+ shutil.copy(self.filename, self.filename + '.orig')
+
+ tmp_filename = self.filename + '.yedit'
+ with open(tmp_filename, 'w') as yfd:
+ # pylint: disable=no-member
+ if hasattr(self.yaml_dict, 'fa'):
+ self.yaml_dict.fa.set_block_style()
+
+ yfd.write(yaml.dump(self.yaml_dict, Dumper=yaml.RoundTripDumper))
+
+ os.rename(tmp_filename, self.filename)
+
+ return (True, self.yaml_dict)
+
+ def read(self):
+ ''' read from file '''
+ # check if it exists
+ if self.filename is None or not self.file_exists():
+ return None
+
+ contents = None
+ with open(self.filename) as yfd:
+ contents = yfd.read()
+
+ return contents
+
+ def file_exists(self):
+ ''' return whether file exists '''
+ if os.path.exists(self.filename):
+ return True
+
+ return False
+
+ def load(self, content_type='yaml'):
+ ''' return yaml file '''
+ contents = self.read()
+
+ if not contents and not self.content:
+ return None
+
+ if self.content:
+ if isinstance(self.content, dict):
+ self.yaml_dict = self.content
+ return self.yaml_dict
+ elif isinstance(self.content, str):
+ contents = self.content
+
+ # check if it is yaml
+ try:
+ if content_type == 'yaml' and contents:
+ self.yaml_dict = yaml.load(contents, yaml.RoundTripLoader)
+ # pylint: disable=no-member
+ if hasattr(self.yaml_dict, 'fa'):
+ self.yaml_dict.fa.set_block_style()
+ elif content_type == 'json' and contents:
+ self.yaml_dict = json.loads(contents)
+ except yaml.YAMLError as err:
+ # Error loading yaml or json
+ raise YeditException('Problem with loading yaml file. %s' % err)
+
+ return self.yaml_dict
+
+ def get(self, key):
+ ''' get a specified key'''
+ try:
+ entry = Yedit.get_entry(self.yaml_dict, key, self.separator)
+ except KeyError:
+ entry = None
+
+ return entry
+
+ def pop(self, path, key_or_item):
+ ''' remove a key, value pair from a dict or an item for a list'''
+ try:
+ entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+ except KeyError:
+ entry = None
+
+ if entry is None:
+ return (False, self.yaml_dict)
+
+ if isinstance(entry, dict):
+ # pylint: disable=no-member,maybe-no-member
+ if key_or_item in entry:
+ entry.pop(key_or_item)
+ return (True, self.yaml_dict)
+ return (False, self.yaml_dict)
+
+ elif isinstance(entry, list):
+ # pylint: disable=no-member,maybe-no-member
+ ind = None
+ try:
+ ind = entry.index(key_or_item)
+ except ValueError:
+ return (False, self.yaml_dict)
+
+ entry.pop(ind)
+ return (True, self.yaml_dict)
+
+ return (False, self.yaml_dict)
+
+ def delete(self, path):
+ ''' remove path from a dict'''
+ try:
+ entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+ except KeyError:
+ entry = None
+
+ if entry is None:
+ return (False, self.yaml_dict)
+
+ result = Yedit.remove_entry(self.yaml_dict, path, self.separator)
+ if not result:
+ return (False, self.yaml_dict)
+
+ return (True, self.yaml_dict)
+
+ def exists(self, path, value):
+ ''' check if value exists at path'''
+ try:
+ entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+ except KeyError:
+ entry = None
+
+ if isinstance(entry, list):
+ if value in entry:
+ return True
+ return False
+
+ elif isinstance(entry, dict):
+ if isinstance(value, dict):
+ rval = False
+ for key, val in value.items():
+ if entry[key] != val:
+ rval = False
+ break
+ else:
+ rval = True
+ return rval
+
+ return value in entry
+
+ return entry == value
+
+ def append(self, path, value):
+ '''append value to a list'''
+ try:
+ entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+ except KeyError:
+ entry = None
+
+ if entry is None:
+ self.put(path, [])
+ entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+ if not isinstance(entry, list):
+ return (False, self.yaml_dict)
+
+ # pylint: disable=no-member,maybe-no-member
+ entry.append(value)
+ return (True, self.yaml_dict)
+
+ # pylint: disable=too-many-arguments
+ def update(self, path, value, index=None, curr_value=None):
+ ''' put path, value into a dict '''
+ try:
+ entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+ except KeyError:
+ entry = None
+
+ if isinstance(entry, dict):
+ # pylint: disable=no-member,maybe-no-member
+ if not isinstance(value, dict):
+ raise YeditException('Cannot replace key, value entry in ' +
+ 'dict with non-dict type. value=[%s] [%s]' % (value, type(value))) # noqa: E501
+
+ entry.update(value)
+ return (True, self.yaml_dict)
+
+ elif isinstance(entry, list):
+ # pylint: disable=no-member,maybe-no-member
+ ind = None
+ if curr_value:
+ try:
+ ind = entry.index(curr_value)
+ except ValueError:
+ return (False, self.yaml_dict)
+
+ elif index is not None:
+ ind = index
+
+ if ind is not None and entry[ind] != value:
+ entry[ind] = value
+ return (True, self.yaml_dict)
+
+ # see if it exists in the list
+ try:
+ ind = entry.index(value)
+ except ValueError:
+ # doesn't exist, append it
+ entry.append(value)
+ return (True, self.yaml_dict)
+
+ # already exists, return
+ if ind is not None:
+ return (False, self.yaml_dict)
+ return (False, self.yaml_dict)
+
+ def put(self, path, value):
+ ''' put path, value into a dict '''
+ try:
+ entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
+ except KeyError:
+ entry = None
+
+ if entry == value:
+ return (False, self.yaml_dict)
+
+ # deepcopy didn't work
+ tmp_copy = yaml.load(yaml.round_trip_dump(self.yaml_dict,
+ default_flow_style=False),
+ yaml.RoundTripLoader)
+ # pylint: disable=no-member
+ if hasattr(self.yaml_dict, 'fa'):
+ tmp_copy.fa.set_block_style()
+ result = Yedit.add_entry(tmp_copy, path, value, self.separator)
+ if not result:
+ return (False, self.yaml_dict)
+
+ self.yaml_dict = tmp_copy
+
+ return (True, self.yaml_dict)
+
+ def create(self, path, value):
+ ''' create a yaml file '''
+ if not self.file_exists():
+ # deepcopy didn't work
+ tmp_copy = yaml.load(yaml.round_trip_dump(self.yaml_dict, default_flow_style=False), # noqa: E501
+ yaml.RoundTripLoader)
+ # pylint: disable=no-member
+ if hasattr(self.yaml_dict, 'fa'):
+ tmp_copy.fa.set_block_style()
+ result = Yedit.add_entry(tmp_copy, path, value, self.separator)
+ if result:
+ self.yaml_dict = tmp_copy
+ return (True, self.yaml_dict)
+
+ return (False, self.yaml_dict)
+
+ @staticmethod
+ def get_curr_value(invalue, val_type):
+ '''return the current value'''
+ if invalue is None:
+ return None
+
+ curr_value = invalue
+ if val_type == 'yaml':
+ curr_value = yaml.load(invalue)
+ elif val_type == 'json':
+ curr_value = json.loads(invalue)
+
+ return curr_value
+
+ @staticmethod
+ def parse_value(inc_value, vtype=''):
+ '''determine value type passed'''
+ true_bools = ['y', 'Y', 'yes', 'Yes', 'YES', 'true', 'True', 'TRUE',
+ 'on', 'On', 'ON', ]
+ false_bools = ['n', 'N', 'no', 'No', 'NO', 'false', 'False', 'FALSE',
+ 'off', 'Off', 'OFF']
+
+ # It came in as a string but you didn't specify value_type as string
+ # we will convert to bool if it matches any of the above cases
+ if isinstance(inc_value, str) and 'bool' in vtype:
+ if inc_value not in true_bools and inc_value not in false_bools:
+ raise YeditException('Not a boolean type. str=[%s] vtype=[%s]'
+ % (inc_value, vtype))
+ elif isinstance(inc_value, bool) and 'str' in vtype:
+ inc_value = str(inc_value)
+
+ # If vtype is not str then go ahead and attempt to yaml load it.
+ if isinstance(inc_value, str) and 'str' not in vtype:
+ try:
+ inc_value = yaml.load(inc_value)
+ except Exception:
+ raise YeditException('Could not determine type of incoming ' +
+ 'value. value=[%s] vtype=[%s]'
+ % (type(inc_value), vtype))
+
+ return inc_value
+
+ # pylint: disable=too-many-return-statements,too-many-branches
+ @staticmethod
+ def run_ansible(module):
+ '''perform the idempotent crud operations'''
+ yamlfile = Yedit(filename=module.params['src'],
+ backup=module.params['backup'],
+ separator=module.params['separator'])
+
+ if module.params['src']:
+ rval = yamlfile.load()
+
+ if yamlfile.yaml_dict is None and \
+ module.params['state'] != 'present':
+ return {'failed': True,
+ 'msg': 'Error opening file [%s]. Verify that the ' +
+ 'file exists, that it is has correct' +
+ ' permissions, and is valid yaml.'}
+
+ if module.params['state'] == 'list':
+ if module.params['content']:
+ content = Yedit.parse_value(module.params['content'],
+ module.params['content_type'])
+ yamlfile.yaml_dict = content
+
+ if module.params['key']:
+ rval = yamlfile.get(module.params['key']) or {}
+
+ return {'changed': False, 'result': rval, 'state': "list"}
+
+ elif module.params['state'] == 'absent':
+ if module.params['content']:
+ content = Yedit.parse_value(module.params['content'],
+ module.params['content_type'])
+ yamlfile.yaml_dict = content
+
+ if module.params['update']:
+ rval = yamlfile.pop(module.params['key'],
+ module.params['value'])
+ else:
+ rval = yamlfile.delete(module.params['key'])
+
+ if rval[0] and module.params['src']:
+ yamlfile.write()
+
+ return {'changed': rval[0], 'result': rval[1], 'state': "absent"}
+
+ elif module.params['state'] == 'present':
+ # check if content is different than what is in the file
+ if module.params['content']:
+ content = Yedit.parse_value(module.params['content'],
+ module.params['content_type'])
+
+ # We had no edits to make and the contents are the same
+ if yamlfile.yaml_dict == content and \
+ module.params['value'] is None:
+ return {'changed': False,
+ 'result': yamlfile.yaml_dict,
+ 'state': "present"}
+
+ yamlfile.yaml_dict = content
+
+ # we were passed a value; parse it
+ if module.params['value']:
+ value = Yedit.parse_value(module.params['value'],
+ module.params['value_type'])
+ key = module.params['key']
+ if module.params['update']:
+ # pylint: disable=line-too-long
+ curr_value = Yedit.get_curr_value(Yedit.parse_value(module.params['curr_value']), # noqa: E501
+ module.params['curr_value_format']) # noqa: E501
+
+ rval = yamlfile.update(key, value, module.params['index'], curr_value) # noqa: E501
+
+ elif module.params['append']:
+ rval = yamlfile.append(key, value)
+ else:
+ rval = yamlfile.put(key, value)
+
+ if rval[0] and module.params['src']:
+ yamlfile.write()
+
+ return {'changed': rval[0],
+ 'result': rval[1], 'state': "present"}
+
+ # no edits to make
+ if module.params['src']:
+ # pylint: disable=redefined-variable-type
+ rval = yamlfile.write()
+ return {'changed': rval[0],
+ 'result': rval[1],
+ 'state': "present"}
+
+ return {'failed': True, 'msg': 'Unkown state passed'}
+# pylint: disable=too-many-lines
+# noqa: E301,E302,E303,T001
+
+
+class OpenShiftCLIError(Exception):
+ '''Exception class for openshiftcli'''
+ pass
+
+
+# pylint: disable=too-few-public-methods
+class OpenShiftCLI(object):
+ ''' Class to wrap the command line tools '''
+ def __init__(self,
+ namespace,
+ kubeconfig='/etc/origin/master/admin.kubeconfig',
+ verbose=False,
+ all_namespaces=False):
+ ''' Constructor for OpenshiftCLI '''
+ self.namespace = namespace
+ self.verbose = verbose
+ self.kubeconfig = kubeconfig
+ self.all_namespaces = all_namespaces
+
+ # Pylint allows only 5 arguments to be passed.
+ # pylint: disable=too-many-arguments
+ def _replace_content(self, resource, rname, content, force=False, sep='.'):
+ ''' replace the current object with the content '''
+ res = self._get(resource, rname)
+ if not res['results']:
+ return res
+
+ fname = '/tmp/%s' % rname
+ yed = Yedit(fname, res['results'][0], separator=sep)
+ changes = []
+ for key, value in content.items():
+ changes.append(yed.put(key, value))
+
+ if any([change[0] for change in changes]):
+ yed.write()
+
+ atexit.register(Utils.cleanup, [fname])
+
+ return self._replace(fname, force)
+
+ return {'returncode': 0, 'updated': False}
+
+ def _replace(self, fname, force=False):
+ '''replace the current object with oc replace'''
+ cmd = ['replace', '-f', fname]
+ if force:
+ cmd.append('--force')
+ return self.openshift_cmd(cmd)
+
+ def _create_from_content(self, rname, content):
+ '''create a temporary file and then call oc create on it'''
+ fname = '/tmp/%s' % rname
+ yed = Yedit(fname, content=content)
+ yed.write()
+
+ atexit.register(Utils.cleanup, [fname])
+
+ return self._create(fname)
+
+ def _create(self, fname):
+ '''call oc create on a filename'''
+ return self.openshift_cmd(['create', '-f', fname])
+
+ def _delete(self, resource, rname, selector=None):
+ '''call oc delete on a resource'''
+ cmd = ['delete', resource, rname]
+ if selector:
+ cmd.append('--selector=%s' % selector)
+
+ return self.openshift_cmd(cmd)
+
+ def _process(self, template_name, create=False, params=None, template_data=None): # noqa: E501
+ '''process a template
+
+ template_name: the name of the template to process
+ create: whether to send to oc create after processing
+ params: the parameters for the template
+ template_data: the incoming template's data; instead of a file
+ '''
+ cmd = ['process']
+ if template_data:
+ cmd.extend(['-f', '-'])
+ else:
+ cmd.append(template_name)
+ if params:
+ param_str = ["%s=%s" % (key, value) for key, value in params.items()]
+ cmd.append('-v')
+ cmd.extend(param_str)
+
+ results = self.openshift_cmd(cmd, output=True, input_data=template_data)
+
+ if results['returncode'] != 0 or not create:
+ return results
+
+ fname = '/tmp/%s' % template_name
+ yed = Yedit(fname, results['results'])
+ yed.write()
+
+ atexit.register(Utils.cleanup, [fname])
+
+ return self.openshift_cmd(['create', '-f', fname])
+
+ def _get(self, resource, rname=None, selector=None):
+ '''return a resource by name '''
+ cmd = ['get', resource]
+ if selector:
+ cmd.append('--selector=%s' % selector)
+
+ cmd.extend(['-o', 'json'])
+
+ if rname:
+ cmd.append(rname)
+
+ rval = self.openshift_cmd(cmd, output=True)
+
+ # Ensure results are retuned in an array
+ if 'items' in rval:
+ rval['results'] = rval['items']
+ elif not isinstance(rval['results'], list):
+ rval['results'] = [rval['results']]
+
+ return rval
+
+ def _schedulable(self, node=None, selector=None, schedulable=True):
+ ''' perform oadm manage-node scheduable '''
+ cmd = ['manage-node']
+ if node:
+ cmd.extend(node)
+ else:
+ cmd.append('--selector=%s' % selector)
+
+ cmd.append('--schedulable=%s' % schedulable)
+
+ return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw') # noqa: E501
+
+ def _list_pods(self, node=None, selector=None, pod_selector=None):
+ ''' perform oadm list pods
+
+ node: the node in which to list pods
+ selector: the label selector filter if provided
+ pod_selector: the pod selector filter if provided
+ '''
+ cmd = ['manage-node']
+ if node:
+ cmd.extend(node)
+ else:
+ cmd.append('--selector=%s' % selector)
+
+ if pod_selector:
+ cmd.append('--pod-selector=%s' % pod_selector)
+
+ cmd.extend(['--list-pods', '-o', 'json'])
+
+ return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw')
+
+ # pylint: disable=too-many-arguments
+ def _evacuate(self, node=None, selector=None, pod_selector=None, dry_run=False, grace_period=None, force=False):
+ ''' perform oadm manage-node evacuate '''
+ cmd = ['manage-node']
+ if node:
+ cmd.extend(node)
+ else:
+ cmd.append('--selector=%s' % selector)
+
+ if dry_run:
+ cmd.append('--dry-run')
+
+ if pod_selector:
+ cmd.append('--pod-selector=%s' % pod_selector)
+
+ if grace_period:
+ cmd.append('--grace-period=%s' % int(grace_period))
+
+ if force:
+ cmd.append('--force')
+
+ cmd.append('--evacuate')
+
+ return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw')
+
+ def _version(self):
+ ''' return the openshift version'''
+ return self.openshift_cmd(['version'], output=True, output_type='raw')
+
+ def _import_image(self, url=None, name=None, tag=None):
+ ''' perform image import '''
+ cmd = ['import-image']
+
+ image = '{0}'.format(name)
+ if tag:
+ image += ':{0}'.format(tag)
+
+ cmd.append(image)
+
+ if url:
+ cmd.append('--from={0}/{1}'.format(url, image))
+
+ cmd.append('-n{0}'.format(self.namespace))
+
+ cmd.append('--confirm')
+ return self.openshift_cmd(cmd)
+
+ # pylint: disable=too-many-arguments,too-many-branches
+ def openshift_cmd(self, cmd, oadm=False, output=False, output_type='json', input_data=None):
+ '''Base command for oc '''
+ cmds = []
+ if oadm:
+ cmds = ['/usr/bin/oadm']
+ else:
+ cmds = ['/usr/bin/oc']
+
+ if self.all_namespaces:
+ cmds.extend(['--all-namespaces'])
+ elif self.namespace:
+ cmds.extend(['-n', self.namespace])
+
+ cmds.extend(cmd)
+
+ rval = {}
+ results = ''
+ err = None
+
+ if self.verbose:
+ print(' '.join(cmds))
+
+ proc = subprocess.Popen(cmds,
+ stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE,
+ env={'KUBECONFIG': self.kubeconfig})
+
+ stdout, stderr = proc.communicate(input_data)
+ rval = {"returncode": proc.returncode,
+ "results": results,
+ "cmd": ' '.join(cmds)}
+
+ if proc.returncode == 0:
+ if output:
+ if output_type == 'json':
+ try:
+ rval['results'] = json.loads(stdout)
+ except ValueError as err:
+ if "No JSON object could be decoded" in err.args:
+ err = err.args
+ elif output_type == 'raw':
+ rval['results'] = stdout
+
+ if self.verbose:
+ print("STDOUT: {0}".format(stdout))
+ print("STDERR: {0}".format(stderr))
+
+ if err:
+ rval.update({"err": err,
+ "stderr": stderr,
+ "stdout": stdout,
+ "cmd": cmds})
+
+ else:
+ rval.update({"stderr": stderr,
+ "stdout": stdout,
+ "results": {}})
+
+ return rval
+
+
+class Utils(object):
+ ''' utilities for openshiftcli modules '''
+ @staticmethod
+ def create_file(rname, data, ftype='yaml'):
+ ''' create a file in tmp with name and contents'''
+ path = os.path.join('/tmp', rname)
+ with open(path, 'w') as fds:
+ if ftype == 'yaml':
+ fds.write(yaml.dump(data, Dumper=yaml.RoundTripDumper))
+
+ elif ftype == 'json':
+ fds.write(json.dumps(data))
+ else:
+ fds.write(data)
+
+ # Register cleanup when module is done
+ atexit.register(Utils.cleanup, [path])
+ return path
+
+ @staticmethod
+ def create_files_from_contents(content, content_type=None):
+ '''Turn an array of dict: filename, content into a files array'''
+ if not isinstance(content, list):
+ content = [content]
+ files = []
+ for item in content:
+ path = Utils.create_file(item['path'], item['data'], ftype=content_type)
+ files.append({'name': os.path.basename(path), 'path': path})
+ return files
+
+ @staticmethod
+ def cleanup(files):
+ '''Clean up on exit '''
+ for sfile in files:
+ if os.path.exists(sfile):
+ if os.path.isdir(sfile):
+ shutil.rmtree(sfile)
+ elif os.path.isfile(sfile):
+ os.remove(sfile)
+
+ @staticmethod
+ def exists(results, _name):
+ ''' Check to see if the results include the name '''
+ if not results:
+ return False
+
+ if Utils.find_result(results, _name):
+ return True
+
+ return False
+
+ @staticmethod
+ def find_result(results, _name):
+ ''' Find the specified result by name'''
+ rval = None
+ for result in results:
+ if 'metadata' in result and result['metadata']['name'] == _name:
+ rval = result
+ break
+
+ return rval
+
+ @staticmethod
+ def get_resource_file(sfile, sfile_type='yaml'):
+ ''' return the service file '''
+ contents = None
+ with open(sfile) as sfd:
+ contents = sfd.read()
+
+ if sfile_type == 'yaml':
+ contents = yaml.load(contents, yaml.RoundTripLoader)
+ elif sfile_type == 'json':
+ contents = json.loads(contents)
+
+ return contents
+
+ @staticmethod
+ def filter_versions(stdout):
+ ''' filter the oc version output '''
+
+ version_dict = {}
+ version_search = ['oc', 'openshift', 'kubernetes']
+
+ for line in stdout.strip().split('\n'):
+ for term in version_search:
+ if not line:
+ continue
+ if line.startswith(term):
+ version_dict[term] = line.split()[-1]
+
+ # horrible hack to get openshift version in Openshift 3.2
+ # By default "oc version in 3.2 does not return an "openshift" version
+ if "openshift" not in version_dict:
+ version_dict["openshift"] = version_dict["oc"]
+
+ return version_dict
+
+ @staticmethod
+ def add_custom_versions(versions):
+ ''' create custom versions strings '''
+
+ versions_dict = {}
+
+ for tech, version in versions.items():
+ # clean up "-" from version
+ if "-" in version:
+ version = version.split("-")[0]
+
+ if version.startswith('v'):
+ versions_dict[tech + '_numeric'] = version[1:].split('+')[0]
+ # "v3.3.0.33" is what we have, we want "3.3"
+ versions_dict[tech + '_short'] = version[1:4]
+
+ return versions_dict
+
+ @staticmethod
+ def openshift_installed():
+ ''' check if openshift is installed '''
+ import yum
+
+ yum_base = yum.YumBase()
+ if yum_base.rpmdb.searchNevra(name='atomic-openshift'):
+ return True
+
+ return False
+
+ # Disabling too-many-branches. This is a yaml dictionary comparison function
+ # pylint: disable=too-many-branches,too-many-return-statements,too-many-statements
+ @staticmethod
+ def check_def_equal(user_def, result_def, skip_keys=None, debug=False):
+ ''' Given a user defined definition, compare it with the results given back by our query. '''
+
+ # Currently these values are autogenerated and we do not need to check them
+ skip = ['metadata', 'status']
+ if skip_keys:
+ skip.extend(skip_keys)
+
+ for key, value in result_def.items():
+ if key in skip:
+ continue
+
+ # Both are lists
+ if isinstance(value, list):
+ if key not in user_def:
+ if debug:
+ print('User data does not have key [%s]' % key)
+ print('User data: %s' % user_def)
+ return False
+
+ if not isinstance(user_def[key], list):
+ if debug:
+ print('user_def[key] is not a list key=[%s] user_def[key]=%s' % (key, user_def[key]))
+ return False
+
+ if len(user_def[key]) != len(value):
+ if debug:
+ print("List lengths are not equal.")
+ print("key=[%s]: user_def[%s] != value[%s]" % (key, len(user_def[key]), len(value)))
+ print("user_def: %s" % user_def[key])
+ print("value: %s" % value)
+ return False
+
+ for values in zip(user_def[key], value):
+ if isinstance(values[0], dict) and isinstance(values[1], dict):
+ if debug:
+ print('sending list - list')
+ print(type(values[0]))
+ print(type(values[1]))
+ result = Utils.check_def_equal(values[0], values[1], skip_keys=skip_keys, debug=debug)
+ if not result:
+ print('list compare returned false')
+ return False
+
+ elif value != user_def[key]:
+ if debug:
+ print('value should be identical')
+ print(value)
+ print(user_def[key])
+ return False
+
+ # recurse on a dictionary
+ elif isinstance(value, dict):
+ if key not in user_def:
+ if debug:
+ print("user_def does not have key [%s]" % key)
+ return False
+ if not isinstance(user_def[key], dict):
+ if debug:
+ print("dict returned false: not instance of dict")
+ return False
+
+ # before passing ensure keys match
+ api_values = set(value.keys()) - set(skip)
+ user_values = set(user_def[key].keys()) - set(skip)
+ if api_values != user_values:
+ if debug:
+ print("keys are not equal in dict")
+ print(api_values)
+ print(user_values)
+ return False
+
+ result = Utils.check_def_equal(user_def[key], value, skip_keys=skip_keys, debug=debug)
+ if not result:
+ if debug:
+ print("dict returned false")
+ print(result)
+ return False
+
+ # Verify each key, value pair is the same
+ else:
+ if key not in user_def or value != user_def[key]:
+ if debug:
+ print("value not equal; user_def does not have key")
+ print(key)
+ print(value)
+ if key in user_def:
+ print(user_def[key])
+ return False
+
+ if debug:
+ print('returning true')
+ return True
+
+
+class OpenShiftCLIConfig(object):
+ '''Generic Config'''
+ def __init__(self, rname, namespace, kubeconfig, options):
+ self.kubeconfig = kubeconfig
+ self.name = rname
+ self.namespace = namespace
+ self._options = options
+
+ @property
+ def config_options(self):
+ ''' return config options '''
+ return self._options
+
+ def to_option_list(self):
+ '''return all options as a string'''
+ return self.stringify()
+
+ def stringify(self):
+ ''' return the options hash as cli params in a string '''
+ rval = []
+ for key, data in self.config_options.items():
+ if data['include'] \
+ and (data['value'] or isinstance(data['value'], int)):
+ rval.append('--%s=%s' % (key.replace('_', '-'), data['value']))
+
+ return rval
+
+
+# pylint: disable=too-many-instance-attributes
+class OCLabel(OpenShiftCLI):
+ ''' Class to wrap the oc command line tools '''
+
+ # pylint allows 5
+ # pylint: disable=too-many-arguments
+ def __init__(self,
+ name,
+ namespace,
+ kind,
+ kubeconfig,
+ labels=None,
+ selector=None,
+ verbose=False):
+ ''' Constructor for OCLabel '''
+ super(OCLabel, self).__init__(namespace, kubeconfig)
+ self.name = name
+ self.namespace = namespace
+ self.kind = kind
+ self.kubeconfig = kubeconfig
+ self.labels = labels
+ self.selector = selector
+
+ def get_current_labels(self):
+ ''' get the current labels on object '''
+
+ return self.get()['results']['labels']
+
+ def compare_labels(self, host_labels):
+ ''' compare incoming labels against current labels'''
+
+ for label in self.labels:
+ if label['key'] not in host_labels or \
+ label['value'] != host_labels[label['key']]:
+ return False
+ return True
+
+ def all_user_labels_exist(self):
+ ''' return whether all the labels already exist '''
+
+ current_labels = self.get_current_labels()
+
+ for current_host_labels in current_labels:
+ rbool = self.compare_labels(current_host_labels)
+ if rbool == False:
+ return False
+ return True
+
+ def any_label_exists(self):
+ ''' return whether any single label already exists '''
+ current_labels = self.get_current_labels()
+
+ for current_host_labels in current_labels:
+ for label in self.labels:
+ if label['key'] in current_host_labels:
+ return True
+ return False
+
+ def get_user_keys(self):
+ ''' go through list of user key:values and return all keys '''
+
+ user_keys = []
+ for label in self.labels:
+ user_keys.append(label['key'])
+
+ return user_keys
+
+ def get_current_label_keys(self):
+ ''' collect all the current label keys '''
+
+ current_label_keys = []
+ current_labels = self.get_current_labels()
+ for current_host_labels in current_labels:
+ for key in current_host_labels.keys():
+ current_label_keys.append(key)
+
+ return list(set(current_label_keys))
+
+ def get_extra_current_labels(self):
+ ''' return list of labels that are currently stored, but aren't
+ in user-provided list '''
+
+ current_labels = self.get_current_labels()
+ extra_labels = []
+ user_label_keys = self.get_user_keys()
+ current_label_keys = self.get_current_label_keys()
+
+ for current_key in current_label_keys:
+ if current_key not in user_label_keys:
+ extra_labels.append(current_key)
+
+ return extra_labels
+
+ def extra_current_labels(self):
+ ''' return whether there are labels currently stored that user
+ hasn't directly provided '''
+ extra_labels = self.get_extra_current_labels()
+
+ if len(extra_labels) > 0:
+ return True
+ else:
+ return False
+
+ def replace(self):
+ ''' replace currently stored labels with user provided labels '''
+ cmd = self.cmd_template()
+
+ # First delete any extra labels
+ extra_labels = self.get_extra_current_labels()
+ if len(extra_labels) > 0:
+ for label in extra_labels:
+ cmd.append("{}-".format(label))
+
+ # Now add/modify the user-provided label list
+ if len(self.labels) > 0:
+ for label in self.labels:
+ cmd.append("{}={}".format(label['key'], label['value']))
+
+ # --overwrite for the case where we are updating existing labels
+ cmd.append("--overwrite")
+ return self.openshift_cmd(cmd)
+
+ def get(self):
+ '''return label information '''
+
+ result_dict = {}
+ label_list = []
+
+ if self.name:
+ result = self._get(resource=self.kind, rname=self.name, selector=self.selector)
+
+ if 'labels' in result['results'][0]['metadata']:
+ label_list.append(result['results'][0]['metadata']['labels'])
+ else:
+ label_list.append({})
+
+ else:
+ result = self._get(resource=self.kind, selector=self.selector)
+
+ for item in result['results'][0]['items']:
+ if 'labels' in item['metadata']:
+ label_list.append(item['metadata']['labels'])
+ else:
+ label_list.append({})
+
+ result_dict['labels'] = label_list
+ result_dict['item_count'] = len(label_list)
+ result['results'] = result_dict
+
+ return result
+
+ def cmd_template(self):
+ ''' boilerplate oc command for modifying lables on this object '''
+ # let's build the cmd with what we have passed in
+ cmd = []
+ if self.namespace:
+ cmd = cmd + ["-n", self.namespace]
+
+ if self.selector:
+ cmd = cmd + ["--selector", self.selector]
+
+ cmd = cmd + ["--config", self.kubeconfig, "label", self.kind]
+
+ if self.name:
+ cmd = cmd + [self.name]
+
+ return cmd
+
+ def add(self):
+ ''' add labels '''
+ cmd = self.cmd_template()
+
+ for label in self.labels:
+ cmd.append("{}={}".format(label['key'], label['value']))
+
+ cmd.append("--overwrite")
+
+ return self.openshift_cmd(cmd)
+
+ def delete(self):
+ '''delete the labels'''
+ cmd = self.cmd_template()
+ for label in self.labels:
+ cmd.append("{}-".format(label['key']))
+
+ return self.openshift_cmd(cmd)
+
+ @staticmethod
+ def run_ansible(params, check_mode=False):
+ ''' run the idempotent ansible code
+
+ prams comes from the ansible portion of this module
+ check_mode: does the module support check mode. (module.check_mode)
+ '''
+ oc_label = OCLabel(params['name'],
+ params['namespace'],
+ params['kind'],
+ params['kubeconfig'],
+ params['labels'],
+ params['selector'],
+ verbose=params['debug'])
+
+ state = params['state']
+ name = params['name']
+ selector = params['selector']
+
+ api_rval = oc_label.get()
+
+ #####
+ # Get
+ #####
+ if state == 'list':
+ return {'changed': False, 'results': api_rval['results'], 'state': "list"}
+
+ #######
+ # Add
+ #######
+ if state == 'add':
+ if not (name or selector):
+ return {'failed': True,
+ 'msg': "Param 'name' or 'selector' is required if state == 'add'"}
+ if not oc_label.all_user_labels_exist():
+ if check_mode:
+ return {'changed': False, 'msg': 'Would have performed an addition.'}
+ api_rval = oc_label.add()
+
+ if api_rval['returncode'] != 0:
+ return {'failed': True, 'msg': api_rval}
+
+ return {'changed': True, 'results': api_rval, 'state': "add"}
+
+ return {'changed': False, 'state': "add"}
+
+ ########
+ # Delete
+ ########
+ if state == 'absent':
+ if not (name or selector):
+ return {'failed': True,
+ 'msg': "Param 'name' or 'selector' is required if state == 'absent'"}
+
+ if oc_label.any_label_exists():
+ if check_mode:
+ return {'changed': False, 'msg': 'Would have performed a delete.'}
+
+ api_rval = oc_label.delete()
+
+ if api_rval['returncode'] != 0:
+ return {'failed': True, 'msg': api_rval}
+
+ return {'changed': True, 'results': api_rval, 'state': "absent"}
+
+ return {'changed': False, 'state': "absent"}
+
+ if state == 'present':
+ ########
+ # Update
+ ########
+ if not (name or selector):
+ return {'failed': True,
+ 'msg': "Param 'name' or 'selector' is required if state == 'present'"}
+ # if all the labels passed in don't already exist
+ # or if there are currently stored labels that haven't
+ # been passed in
+ if not oc_label.all_user_labels_exist() or \
+ oc_label.extra_current_labels():
+ if check_mode:
+ return {'changed': False, 'msg': 'Would have made changes.'}
+
+ api_rval = oc_label.replace()
+
+ if api_rval['returncode'] != 0:
+ return {'failed': True, 'msg': api_rval}
+
+ # return the created object
+ api_rval = oc_label.get()
+
+ if api_rval['returncode'] != 0:
+ return {'failed': True, 'msg': api_rval}
+
+ return {'changed': True, 'results': api_rval, 'state': "present"}
+
+ return {'changed': False, 'results': api_rval, 'state': "present"}
+
+ return {'failed': True,
+ 'changed': False,
+ 'results': 'Unknown state passed. %s' % state,
+ 'state': "unknown"}
+
+def main():
+ ''' ansible oc module for labels '''
+
+ 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', 'add']),
+ debug=dict(default=False, type='bool'),
+ kind=dict(default=None, type='str', required=True,
+ choices=['node', 'pod']),
+ name=dict(default=None, type='str'),
+ namespace=dict(default=None, type='str'),
+ labels=dict(default=None, type='list'),
+ selector=dict(default=None, type='str'),
+ ),
+ supports_check_mode=True,
+ mutually_exclusive = (['name', 'selector']),
+ )
+
+ results = OCLabel.run_ansible(module.params, module.check_mode)
+
+ if 'failed' in results:
+ module.fail_json(**results)
+
+ module.exit_json(**results)
+
+if __name__ == '__main__':
+ main()
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 09:36:20 +0000