D7net
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
usr
/
lib
/
python2.7
/
site-packages
/
ansible
/
modules
/
storage
/
glusterfs
/
Filename :
_gluster_heal_facts.py
back
Copy
#!/usr/bin/python # -*- coding: utf-8 -*- # # Copyright: (c) 2016, Red Hat, Inc. # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) from __future__ import absolute_import, division, print_function __metaclass__ = type ANSIBLE_METADATA = {'metadata_version': '1.1', 'status': ['preview'], 'supported_by': 'community'} DOCUMENTATION = ''' --- module: gluster_heal_info short_description: Gather information on self-heal or rebalance status author: "Devyani Kota (@devyanikota)" version_added: "2.8" description: - Gather facts about either self-heal or rebalance status. - This module was called C(gluster_heal_facts) before Ansible 2.9, returning C(ansible_facts). Note that the M(gluster_heal_info) module no longer returns C(ansible_facts)! options: name: description: - The volume name. required: true aliases: ['volume'] status_filter: default: "self-heal" choices: ["self-heal", "rebalance"] description: - Determines which facts are to be returned. - If the C(status_filter) is C(self-heal), status of self-heal, along with the number of files still in process are returned. - If the C(status_filter) is C(rebalance), rebalance status is returned. requirements: - GlusterFS > 3.2 ''' EXAMPLES = ''' - name: Gather self-heal facts about all gluster hosts in the cluster gluster_heal_info: name: test_volume status_filter: self-heal register: self_heal_status - debug: var: self_heal_status - name: Gather rebalance facts about all gluster hosts in the cluster gluster_heal_info: name: test_volume status_filter: rebalance register: rebalance_status - debug: var: rebalance_status ''' RETURN = ''' name: description: GlusterFS volume name returned: always type: str status_filter: description: Whether self-heal or rebalance status is to be returned returned: always type: str heal_info: description: List of files that still need healing process returned: On success type: list rebalance_status: description: Status of rebalance operation returned: On success type: list ''' import traceback from ansible.module_utils.basic import AnsibleModule from ansible.module_utils._text import to_native from distutils.version import LooseVersion glusterbin = '' def run_gluster(gargs, **kwargs): global glusterbin global module args = [glusterbin, '--mode=script'] args.extend(gargs) try: rc, out, err = module.run_command(args, **kwargs) if rc != 0: module.fail_json(msg='error running gluster (%s) command (rc=%d): %s' % (' '.join(args), rc, out or err), exception=traceback.format_exc()) except Exception as e: module.fail_json(msg='error running gluster (%s) command: %s' % (' '.join(args), to_native(e)), exception=traceback.format_exc()) return out def get_self_heal_status(name): out = run_gluster(['volume', 'heal', name, 'info'], environ_update=dict(LANG='C', LC_ALL='C', LC_MESSAGES='C')) raw_out = out.split("\n") heal_info = [] # return files that still need healing. for line in raw_out: if 'Brick' in line: br_dict = {} br_dict['brick'] = line.strip().strip("Brick") elif 'Status' in line: br_dict['status'] = line.split(":")[1].strip() elif 'Number' in line: br_dict['no_of_entries'] = line.split(":")[1].strip() elif line.startswith('/') or '\n' in line: continue else: br_dict and heal_info.append(br_dict) br_dict = {} return heal_info def get_rebalance_status(name): out = run_gluster(['volume', 'rebalance', name, 'status'], environ_update=dict(LANG='C', LC_ALL='C', LC_MESSAGES='C')) raw_out = out.split("\n") rebalance_status = [] # return the files that are either still 'in progress' state or 'completed'. for line in raw_out: line = " ".join(line.split()) line_vals = line.split(" ") if line_vals[0].startswith('-') or line_vals[0].startswith('Node'): continue node_dict = {} if len(line_vals) == 1 or len(line_vals) == 4: continue node_dict['node'] = line_vals[0] node_dict['rebalanced_files'] = line_vals[1] node_dict['failures'] = line_vals[4] if 'in progress' in line: node_dict['status'] = line_vals[5] + line_vals[6] rebalance_status.append(node_dict) elif 'completed' in line: node_dict['status'] = line_vals[5] rebalance_status.append(node_dict) return rebalance_status def is_invalid_gluster_version(module, required_version): cmd = module.get_bin_path('gluster', True) + ' --version' result = module.run_command(cmd) ver_line = result[1].split('\n')[0] version = ver_line.split(' ')[1] # If the installed version is less than 3.2, it is an invalid version # return True return LooseVersion(version) < LooseVersion(required_version) def main(): global module global glusterbin module = AnsibleModule( argument_spec=dict( name=dict(type='str', required=True, aliases=['volume']), status_filter=dict(type='str', default='self-heal', choices=['self-heal', 'rebalance']), ), ) is_old_facts = module._name == 'gluster_heal_facts' if is_old_facts: module.deprecate("The 'gluster_heal_facts' module has been renamed to 'gluster_heal_info', " "and the renamed one no longer returns ansible_facts", version='2.13') glusterbin = module.get_bin_path('gluster', True) required_version = "3.2" status_filter = module.params['status_filter'] volume_name = module.params['name'] heal_info = '' rebalance_status = '' # Verify if required GlusterFS version is installed if is_invalid_gluster_version(module, required_version): module.fail_json(msg="GlusterFS version > %s is required" % required_version) try: if status_filter == "self-heal": heal_info = get_self_heal_status(volume_name) elif status_filter == "rebalance": rebalance_status = get_rebalance_status(volume_name) except Exception as e: module.fail_json(msg='Error retrieving status: %s' % e, exception=traceback.format_exc()) facts = {} facts['glusterfs'] = {'volume': volume_name, 'status_filter': status_filter, 'heal_info': heal_info, 'rebalance': rebalance_status} if is_old_facts: module.exit_json(ansible_facts=facts) else: module.exit_json(**facts) if __name__ == '__main__': main()