def main()

in lib/ansible/modules/cloud/alicloud/_alicloud_disk.py [0:0]

• 96 lines of code
• 25 McCabe index (conditional complexity)

def main():
    argument_spec = ecs_argument_spec()
    argument_spec.update(dict(
        group_id=dict(),
        alicloud_zone=dict(aliases=['zone_id', 'zone']),
        state=dict(default='present', choices=['present', 'absent']),
        disk_id=dict(aliases=['vol_id', 'id']),
        disk_name=dict(aliases=['name']),
        disk_category=dict(aliases=['disk_type', 'volume_type']),
        size=dict(aliases=['disk_size', 'volume_size']),
        disk_tags=dict(type='list', aliases=['tags']),
        snapshot_id=dict(aliases=['snapshot']),
        description=dict(aliases=['disk_description']),
        instance_id=dict(aliases=['instance']),
        delete_with_instance=dict(aliases=['delete_on_termination'], default=None)
    )
    )
    module = AnsibleModule(argument_spec=argument_spec)

    if not HAS_FOOTMARK:
        module.fail_json(msg="footmark required for the module alicloud_disk.")

    ecs = ecs_connect(module)
    state = module.params['state']

    instance_id = module.params['instance_id']
    disk_id = module.params['disk_id']
    zone_id = module.params['alicloud_zone']
    disk_name = module.params['disk_name']
    delete_with_instance = module.params['delete_with_instance']
    description = module.params['description']

    changed = False
    current_disk = None

    try:
        if disk_id:
            disks = ecs.get_all_volumes(zone_id=zone_id, volume_ids=[disk_id])
            if disks and len(disks) == 1:
                current_disk = disks[0]
        elif disk_name:
            disks = ecs.get_all_volumes(zone_id=zone_id, volume_name=disk_name)
            if disks:
                if len(disks) == 1:
                    current_disk = disks[0]
                else:
                    disk_ids = []
                    for d in disks:
                        disk_ids.append(d.id)
                    module.fail_json(msg="There is too many disks match name '{0}', "
                                         "please use disk_id or a new disk_name to specify a unique disk."
                                         "Matched disk ids are: {1}".format(disk_name, disk_ids))
    except ECSResponseError as e:
        module.fail_json(msg='Error in get_all_volumes: %s' % str(e))

    if state == 'absent':
        if not current_disk:
            module.fail_json(msg="Please use disk_id or disk_name to specify one disk for detaching or deleting.")
        if instance_id:
            try:
                changed = current_disk.detach(instance_id)
                module.exit_json(changed=changed, disk_id=current_disk.id, disk_category=current_disk.category,
                                 disk_status=current_disk.status, instance_id=instance_id,
                                 disk=get_disk_detail(current_disk))
            except Exception as e:
                module.fail_json(msg='Detaching disk {0} is failed, error: {1}'.format(current_disk.id, e))

        try:
            changed = current_disk.delete()
            module.exit_json(changed=changed)
        except Exception as e:
            module.fail_json(msg='Deleting disk {0} is failed, error: {1}'.format(current_disk.id, e))

    # state == present
    if not current_disk:
        disk_category = module.params['disk_category']
        size = module.params['size']
        disk_tags = module.params['disk_tags']
        snapshot_id = module.params['snapshot_id']
        client_token = "Ansible-Alicloud-%s-%s" % (hash(str(module.params)), str(time.time()))
        try:
            current_disk = ecs.create_disk(zone_id=zone_id, disk_name=disk_name,
                                           description=description, disk_category=disk_category, size=size,
                                           disk_tags=disk_tags, snapshot_id=snapshot_id, client_token=client_token)
            changed = True
        except Exception as e:
            module.fail_json(msg='Creating a new disk is failed, error: {0}'.format(e))

    else:
        try:
            if current_disk.name != disk_name \
                    or current_disk.description != description \
                    or current_disk.delete_with_instance != delete_with_instance:
                changed = current_disk.modify(disk_name=disk_name, description=description,
                                              delete_with_instance=delete_with_instance)
        except Exception as e:
            module.fail_json(msg='Updating disk {0} attribute is failed, error: {1}'.format(current_disk.id, e))

    if instance_id and current_disk and str(current_disk.status).lower() == "available":
        try:
            changed = current_disk.attach(instance_id=instance_id, delete_with_instance=delete_with_instance)
        except Exception as e:
            module.fail_json(
                msg='Attaching disk {0} to instance {1} is failed, error: {2}'.format(current_disk.id, instance_id, e))

    module.exit_json(changed=changed, disk_id=current_disk.id, disk_category=current_disk.category,
                     disk_status=current_disk.status, instance_id=instance_id, disk=get_disk_detail(current_disk))