示例#1
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def _concurrent_update(lock_files, node, key, first_value, second_value, holder_path):
    holder = helpers.FilesystemDataHolder(holder_path)
    locker1 = fasteners.InterProcessLock(lock_files[0])
    locker2 = fasteners.InterProcessLock(lock_files[1])

    first = locker1.acquire(blocking=False)

    if first:
        # Give chance for both processes to acquire locks
        while locker2.acquire(blocking=False):
            locker2.release()
            time.sleep(0.1)
    else:
        locker2.acquire()

    node.attributes[key] = first_value if first else second_value
    holder['key'] = first_value if first else second_value
    holder.setdefault('invocations', 0)
    holder['invocations'] += 1

    if first:
        locker1.release()
    else:
        with locker1:
            locker2.release()

    return first
示例#2
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def attribute_consuming_operation(ctx, holder_path, **_):
    holder = helpers.FilesystemDataHolder(holder_path)
    ctx.target_node.attributes.update(ctx.source_node.attributes)
    holder.update(**ctx.target_node.attributes)

    ctx.target_node.attributes['key2'] = ctx.source_node.attributes['key2']
    holder['key2'] = ctx.target_node.attributes['key2']
示例#3
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def basic_relationship_operation(ctx, holder_path, **_):
    holder = helpers.FilesystemDataHolder(holder_path)

    operation_common(ctx, holder)
    holder['target_node_template_name'] = ctx.target_node_template.name
    holder['target_node_name'] = ctx.target_node.name
    holder['relationship_name'] = ctx.relationship.name
    holder['source_node_template_name'] = ctx.source_node_template.name
    holder['source_node_name'] = ctx.source_node.name
示例#4
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def dataholder(tmpdir):
    dataholder_path = str(tmpdir.join('dataholder'))
    holder = helpers.FilesystemDataHolder(dataholder_path)
    return holder
示例#5
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def get_node_id(ctx, holder_path, **_):
    helpers.FilesystemDataHolder(holder_path)[ctx.name] = ctx.node.id
示例#6
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def basic_node_operation(ctx, holder_path, **_):
    holder = helpers.FilesystemDataHolder(holder_path)

    operation_common(ctx, holder)
    holder['template_name'] = ctx.node_template.name
    holder['node_name'] = ctx.node.name
示例#7
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def relationship_operation(ctx, toolbelt, holder_path, **_):
    helpers.FilesystemDataHolder(holder_path)[
        ctx.name] = toolbelt._op_context.source_node.name
示例#8
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def host_ip(toolbelt, holder_path, **_):
    helpers.FilesystemDataHolder(holder_path)['host_ip'] = toolbelt.host_ip