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author | Joel Diaz <jdiaz@redhat.com> | 2017-01-27 20:39:06 +0000 |
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committer | Kenny Woodson <kwoodson@redhat.com> | 2017-02-01 15:08:32 -0500 |
commit | b5de5357042c146a930097d52c3920808af89c42 (patch) | |
tree | b35d132b049f8a9c05e48b98b7603ea7d996455d /roles/lib_openshift/src | |
parent | 287282e3a1c36ea2c7bc9eb14e463fd347c7d95a (diff) | |
download | openshift-b5de5357042c146a930097d52c3920808af89c42.tar.gz openshift-b5de5357042c146a930097d52c3920808af89c42.tar.bz2 openshift-b5de5357042c146a930097d52c3920808af89c42.tar.xz openshift-b5de5357042c146a930097d52c3920808af89c42.zip |
oc_label ansible module
used for adding/removing labels on various OpenShift objects
Diffstat (limited to 'roles/lib_openshift/src')
-rw-r--r-- | roles/lib_openshift/src/ansible/oc_label.py | 32 | ||||
-rw-r--r-- | roles/lib_openshift/src/class/oc_label.py | 291 | ||||
-rw-r--r-- | roles/lib_openshift/src/doc/label | 65 | ||||
-rw-r--r-- | roles/lib_openshift/src/sources.yml | 10 | ||||
-rw-r--r-- | roles/lib_openshift/src/test/integration/filter_plugins/filters.py | 25 | ||||
-rwxr-xr-x | roles/lib_openshift/src/test/integration/oc_label.yml | 404 |
6 files changed, 827 insertions, 0 deletions
diff --git a/roles/lib_openshift/src/ansible/oc_label.py b/roles/lib_openshift/src/ansible/oc_label.py new file mode 100644 index 000000000..53632678b --- /dev/null +++ b/roles/lib_openshift/src/ansible/oc_label.py @@ -0,0 +1,32 @@ +# pylint: skip-file +# flake8: noqa + +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() diff --git a/roles/lib_openshift/src/class/oc_label.py b/roles/lib_openshift/src/class/oc_label.py new file mode 100644 index 000000000..9c65b1760 --- /dev/null +++ b/roles/lib_openshift/src/class/oc_label.py @@ -0,0 +1,291 @@ +# pylint: skip-file +# flake8: noqa + +# 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"} diff --git a/roles/lib_openshift/src/doc/label b/roles/lib_openshift/src/doc/label new file mode 100644 index 000000000..8122bd4b0 --- /dev/null +++ b/roles/lib_openshift/src/doc/label @@ -0,0 +1,65 @@ +# flake8: noqa +# pylint: skip-file + +DOCUMENTATION = ''' +--- +module: oc_label +short_description: Create, modify, and idempotently manage openshift object labels. +description: + - Modify openshift 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: [] + kind: + description: + - The kind of object that can be managed. + required: false + default: None + choices: + - node + - pod + aliases: [] + labels: + description: + - The labels to add to the resource. + required: false + default: None + aliases: [] + selector: + description: + - The selector to apply to the query + required: false + default: None + aliases: [] +author: +- "Joel Diaz <jdiaz@redhat.com>" +extends_documentation_fragment: [] +''' + +EXAMPLES = ''' +- name: Add label to node + oc_label: + name: ip-172-31-5-23.ec2.internal + state: add + kind: node + labels: + - key: logging-infra-fluentd + value: 'true' +''' diff --git a/roles/lib_openshift/src/sources.yml b/roles/lib_openshift/src/sources.yml index 32c3711d1..6438ff4bb 100644 --- a/roles/lib_openshift/src/sources.yml +++ b/roles/lib_openshift/src/sources.yml @@ -19,6 +19,16 @@ oc_edit.py: - class/oc_edit.py - ansible/oc_edit.py +oc_label.py: +- doc/generated +- doc/license +- lib/import.py +- doc/label +- ../../lib_utils/src/class/yedit.py +- lib/base.py +- class/oc_label.py +- ansible/oc_label.py + oc_obj.py: - doc/generated - doc/license diff --git a/roles/lib_openshift/src/test/integration/filter_plugins/filters.py b/roles/lib_openshift/src/test/integration/filter_plugins/filters.py new file mode 100644 index 000000000..6acbb47ec --- /dev/null +++ b/roles/lib_openshift/src/test/integration/filter_plugins/filters.py @@ -0,0 +1,25 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- +# vim: expandtab:tabstop=4:shiftwidth=4 +''' +Custom filters for use in testing +''' + +class FilterModule(object): + ''' Custom ansible filters ''' + + @staticmethod + def label_dict_to_key_value_list(label_dict): + ''' given a dict of labels/values, return list of key: <key> value: <value> pairs''' + + label_list = [] + for key in label_dict: + label_list.append({'key': key, 'value': label_dict[key]}) + + return label_list + + def filters(self): + ''' returns a mapping of filters to methods ''' + return { + "label_dict_to_key_value_list": self.label_dict_to_key_value_list, + } diff --git a/roles/lib_openshift/src/test/integration/oc_label.yml b/roles/lib_openshift/src/test/integration/oc_label.yml new file mode 100755 index 000000000..0a2d438bd --- /dev/null +++ b/roles/lib_openshift/src/test/integration/oc_label.yml @@ -0,0 +1,404 @@ +#!/usr/bin/ansible-playbook --module-path=../../../library/ +# ./oc_label.yml -e "cli_master_test=$OPENSHIFT_MASTER -e "cli_node_test=ip-172-0-31-1.ec2" +--- +- hosts: "{{ cli_master_test }}" + gather_facts: no + user: root + + vars: + - def_namespace: default + - def_kind: node + + pre_tasks: + - name: ensure needed vars are defined + fail: + msg: "{{ item }} not defined" + when: "{{ item }} is not defined" + with_items: + - cli_node_test #openshift node to be used to add/remove labels to + - cli_master_test #ansible inventory instance to run playbook against + + tasks: + - name: delete test labels (start from known starting position) + oc_label: + state: absent + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: + - key: testlabel2 + - key: testlabel3 + + - name: list to check whether our test labels already exist + oc_label: + state: list + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + register: original_labels + - name: assert that testlabel2 and testlabel3 test labels don't exist + assert: + that: original_labels['results']['labels'][0]['testlabel2'] is not defined and + original_labels['results']['labels'][0]['testlabel3'] is not defined + msg: "{{ original_labels['results']['labels'] }}" + + - name: add label + oc_label: + state: add + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: + - key: testlabel2 + value: "yes" + register: label_out + - name: assert adding label marked as changed + assert: + that: label_out['changed'] == True + msg: "{{ label_out }}" + + - name: test if add label succeeded + oc_label: + state: list + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + register: label_out + - name: assert that testlabel2 label actually added + assert: + that: label_out['results']['labels'][0]['testlabel2'] is defined and + label_out['results']['labels'][0]['testlabel2'] == "yes" + msg: "{{ label_out }}" + + - name: test that re-adding does nothing + oc_label: + state: add + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: + - key: testlabel2 + value: "yes" + register: label_out + - name: assert that re-adding made no changes + assert: + that: label_out['changed'] == False + msg: "{{ label_out }}" + + - name: test that modifying existing label marked modified + oc_label: + state: add + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: + - key: testlabel2 + value: "different" + register: label_out + - name: assert that modifying existing label marked modified + assert: + that: label_out['changed'] == True + msg: "{{ label_out }}" + + - name: test if modify label actually did modification + oc_label: + state: list + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + register: label_out + - name: assert that testlabel2 label actually modified + assert: + that: label_out['results']['labels'][0]['testlabel2'] is defined and + label_out['results']['labels'][0]['testlabel2'] == "different" + msg: "{{ label_out['results']['labels'] }}" + + - name: delete non-existant label + oc_label: + state: absent + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: + - key: testlabelnone + register: label_out + - name: assert that deleting non-existant label marked not changed + assert: + that: label_out['changed'] == False + msg: "{{ label_out }}" + + - name: delete label + oc_label: + state: absent + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: + - key: testlabel2 + register: label_out + - name: assert that deleting existing label marked changed + assert: + that: label_out['changed'] == True + msg: "{{ label_out }}" + + - name: re-delete label + oc_label: + state: absent + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: + - key: testlabel2 + register: label_out + - name: assert that re-deleting label marked not changed + assert: + that: label_out['changed'] == False + msg: "{{ label_out }}" + + - name: check whether really deleted + oc_label: + state: list + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + register: label_out + - name: assert label actually deleted + assert: + that: label_out['results']['labels'][0]['testlabel2'] is not defined + msg: "{{ label_out }}" + + - name: add two labels + oc_label: + state: add + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: + - key: testlabel2 + value: "yes" + - key: testlabel3 + value: "yes" + register: label_out + - name: assert that adding two labels marked as changed + assert: + that: label_out['changed'] == True + msg: "{{ label_out }}" + + - name: check whether both labels are there + oc_label: + state: list + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + register: label_out + - name: assert that both labels actually exist + assert: + that: label_out['results']['labels'][0]['testlabel2'] is defined and + label_out['results']['labels'][0]['testlabel2'] == 'yes' and + label_out['results']['labels'][0]['testlabel3'] is defined and + label_out['results']['labels'][0]['testlabel3'] == 'yes' + msg: "{{ label_out['results']['labels'] }}" + + - name: check whether two deletes work + oc_label: + state: absent + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: + - key: testlabel2 + - key: testlabel3 + register: label_out + - name: assert that change were made when delete both labels + assert: + that: label_out['changed'] == True + msg: "{{ label_out }}" + + - name: check whether re-two deletes makes no changes + oc_label: + state: absent + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: + - key: testlabel2 + - key: testlabel3 + register: label_out + - name: assert that change was not made when re-delete both labels + assert: + that: label_out['changed'] == False + msg: "{{ label_out }}" + + - set_fact: + original_labels_as_key_value_list: "{{ original_labels['results']['labels'][0] | label_dict_to_key_value_list }}" + + - name: check that present with original label list makes no changes + oc_label: + state: present + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: "{{ original_labels_as_key_value_list }}" + register: label_out + - name: assert that no changes are made when current list matches existing list + assert: + that: label_out['changed'] == False + msg: "{{ label_out }}" + + - name: check that present with extra item makes changes + oc_label: + state: present + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: "{{ original_labels_as_key_value_list + [{'key': 'testlabel2', 'value': 'yes'}] }}" + register: label_out + - name: assert that changes were made + assert: + that: label_out['changed'] == True + msg: "{{ label_out }}" + + - name: get current label list + oc_label: + state: list + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + register: label_out + - name: asssert that new label was actually added + assert: + that: label_out['results']['labels'][0]['testlabel2'] is defined and + label_out['results']['labels'][0]['testlabel2'] == 'yes' + msg: "{{ label_out['results']['labels'] }}" + + - name: check that present with changed item makes changes + oc_label: + state: present + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: "{{ original_labels_as_key_value_list + [{'key': 'testlabel2', 'value': 'different'}]}}" + register: label_out + - name: assert that changes were made when existing key's value is changed + assert: + that: label_out['changed'] == True + msg: "{{ label_out }}" + + - name: get current label list + oc_label: + state: list + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + register: label_out + - name: asssert that changed label was actually changed + assert: + that: label_out['results']['labels'][0]['testlabel2'] is defined and + label_out['results']['labels'][0]['testlabel2'] == 'different' + msg: "{{ label_out['results']['labels'] }}" + + - name: check that present with removed extra item makes changes + oc_label: + state: present + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + labels: "{{ original_labels_as_key_value_list }}" + register: label_out + - name: assert that changes were made + assert: + that: label_out['changed'] == True + msg: "{{ label_out }}" + + - name: get current label list + oc_label: + state: list + namespace: "{{ def_namespace }}" + kind: "{{ def_kind }}" + name: "{{ cli_node_test }}" + register: label_out + - name: asssert that present-removed actually removed + assert: + that: label_out['results']['labels'][0]['testlabel2'] is not defined + msg: "{{ label_out }}" + + + + + + + + + + + +# - name: create route +# oc_route: +# name: test +# namespace: default +# tls_termination: edge +# cert_content: testing cert +# cacert_content: testing cacert +# key_content: key content +# service_name: test +# host: test.example +# register: routeout +# - debug: var=routeout +# +# - assert: +# that: "routeout.results.results[0]['metadata']['name'] == 'test'" +# msg: route create failed +# +# - name: get route +# oc_route: +# state: list +# name: test +# namespace: default +# register: routeout +# - debug: var=routeout +# +# - assert: +# that: "routeout.results[0]['metadata']['name'] == 'test'" +# msg: get route failed +# +# - name: delete route +# oc_route: +# state: absent +# name: test +# namespace: default +# register: routeout +# - debug: var=routeout +# +# - assert: +# that: "routeout.results.returncode == 0" +# msg: delete route failed +# +# - name: create route +# oc_route: +# name: test +# namespace: default +# tls_termination: edge +# cert_content: testing cert +# cacert_content: testing cacert +# key_content: testing key +# service_name: test +# host: test.example +# register: routeout +# - debug: var=routeout +# +# - name: create route noop +# oc_route: +# name: test +# namespace: default +# tls_termination: edge +# cert_content: testing cert +# cacert_content: testing cacert +# key_content: testing key +# service_name: test +# host: test.example +# register: routeout +# - debug: var=routeout +# +# - assert: +# that: "routeout.changed == False" +# msg: Route create not idempotent |