diff options
Diffstat (limited to 'roles/lib_utils/library')
| -rw-r--r-- | roles/lib_utils/library/yedit.py | 161 |
1 files changed, 106 insertions, 55 deletions
diff --git a/roles/lib_utils/library/yedit.py b/roles/lib_utils/library/yedit.py index a2ae6b4f6..b311354da 100644 --- a/roles/lib_utils/library/yedit.py +++ b/roles/lib_utils/library/yedit.py @@ -180,6 +180,22 @@ EXAMPLES = ''' # a: # b: # c: d +# +# multiple edits at the same time +- name: perform multiple edits + yedit: + src: somefile.yml + edits: + - key: a#b#c + value: d + - key: a#b#c#d + value: e + state: present +# Results: +# a: +# b: +# c: +# d: e ''' # -*- -*- -*- End included fragment: doc/yedit -*- -*- -*- @@ -698,13 +714,15 @@ class Yedit(object): # 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)) + 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) + # 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. - if isinstance(inc_value, str) and 'str' not in vtype: + elif isinstance(inc_value, str) and 'str' not in vtype: try: inc_value = yaml.load(inc_value) except Exception: @@ -714,97 +732,129 @@ class Yedit(object): 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 'action' in edit and edit['action'] == 'update': + # pylint: disable=line-too-long + curr_value = Yedit.get_curr_value(Yedit.parse_value(edit.get('curr_value', None)), # noqa: E501 + edit.get('curr_value_format', None)) # noqa: E501 + + rval = yamlfile.update(edit['key'], + value, + edit.get('index', None), + curr_value) + + elif 'action' in edit and edit['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(module): + def run_ansible(params): '''perform the idempotent crud operations''' - yamlfile = Yedit(filename=module.params['src'], - backup=module.params['backup'], - separator=module.params['separator']) + yamlfile = Yedit(filename=params['src'], + backup=params['backup'], + separator=params['separator']) + + state = params['state'] - if module.params['src']: + if params['src']: rval = yamlfile.load() - if yamlfile.yaml_dict is None and \ - module.params['state'] != 'present': + if yamlfile.yaml_dict is None and 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']) + if state == 'list': + if params['content']: + content = Yedit.parse_value(params['content'], params['content_type']) yamlfile.yaml_dict = content - if module.params['key']: - rval = yamlfile.get(module.params['key']) or {} + if params['key']: + rval = yamlfile.get(params['key']) or {} - return {'changed': False, 'result': rval, 'state': "list"} + return {'changed': False, 'result': rval, 'state': state} - elif module.params['state'] == 'absent': - if module.params['content']: - content = Yedit.parse_value(module.params['content'], - module.params['content_type']) + elif state == 'absent': + if params['content']: + content = Yedit.parse_value(params['content'], params['content_type']) yamlfile.yaml_dict = content - if module.params['update']: - rval = yamlfile.pop(module.params['key'], - module.params['value']) + if params['update']: + rval = yamlfile.pop(params['key'], params['value']) else: - rval = yamlfile.delete(module.params['key']) + rval = yamlfile.delete(params['key']) - if rval[0] and module.params['src']: + if rval[0] and params['src']: yamlfile.write() - return {'changed': rval[0], 'result': rval[1], 'state': "absent"} + return {'changed': rval[0], 'result': rval[1], 'state': state} - elif module.params['state'] == 'present': + elif 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']) + 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 \ - module.params['value'] is None: - return {'changed': False, - 'result': yamlfile.yaml_dict, - 'state': "present"} + params['value'] is None: + return {'changed': False, 'result': yamlfile.yaml_dict, 'state': state} 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 + # 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'] - rval = yamlfile.update(key, value, module.params['index'], curr_value) # noqa: E501 + 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 module.params['append']: - rval = yamlfile.append(key, value) - else: - rval = yamlfile.put(key, value) + elif params['append']: + _edit['action'] = 'append' + + edits.append(_edit) + + elif params['edits'] is not None: + edits = params['edits'] - if rval[0] and module.params['src']: + 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': rval[0], - 'result': rval[1], 'state': "present"} + return {'changed': results['changed'], 'result': results['results'], 'state': state} # no edits to make - if module.params['src']: + if params['src']: # pylint: disable=redefined-variable-type rval = yamlfile.write() return {'changed': rval[0], 'result': rval[1], - 'state': "present"} + 'state': state} return {'failed': True, 'msg': 'Unkown state passed'} @@ -837,12 +887,13 @@ def main(): type='str'), backup=dict(default=True, type='bool'), separator=dict(default='.', type='str'), + edits=dict(default=None, type='list'), ), mutually_exclusive=[["curr_value", "index"], ['update', "append"]], required_one_of=[["content", "src"]], ) - rval = Yedit.run_ansible(module) + rval = Yedit.run_ansible(module.params) if 'failed' in rval and rval['failed']: module.fail_json(**rval) |