Ejemplo n.º 1
0
def check_compatible(client, min_version=None, max_version=None):
    """Checks if a kazoo client is backed by a zookeeper server version.

    This check will verify that the zookeeper server version that the client
    is connected to satisfies a given minimum version (inclusive) and
    maximum (inclusive) version range. If the server is not in the provided
    version range then a exception is raised indiciating this.
    """
    server_version = None
    if min_version:
        server_version = tuple((int(a) for a in client.server_version()))
        min_version = tuple((int(a) for a in min_version))
        if server_version < min_version:
            pretty_server_version = ".".join([str(a) for a in server_version])
            min_version = ".".join([str(a) for a in min_version])
            raise exc.IncompatibleVersion("Incompatible zookeeper version"
                                          " %s detected, zookeeper >= %s"
                                          " required" %
                                          (pretty_server_version, min_version))
    if max_version:
        if server_version is None:
            server_version = tuple((int(a) for a in client.server_version()))
        max_version = tuple((int(a) for a in max_version))
        if server_version > max_version:
            pretty_server_version = ".".join([str(a) for a in server_version])
            max_version = ".".join([str(a) for a in max_version])
            raise exc.IncompatibleVersion("Incompatible zookeeper version"
                                          " %s detected, zookeeper <= %s"
                                          " required" %
                                          (pretty_server_version, max_version))
Ejemplo n.º 2
0
def check_compatible(client, min_version=None, max_version=None):
    """Checks if a kazook client is backed by a zookeeper server version
    that satisfies a given min (inclusive) and max (inclusive) version range.
    """
    server_version = None
    if min_version:
        server_version = tuple((int(a) for a in client.server_version()))
        min_version = tuple((int(a) for a in min_version))
        if server_version < min_version:
            pretty_server_version = ".".join([str(a) for a in server_version])
            min_version = ".".join([str(a) for a in min_version])
            raise exc.IncompatibleVersion("Incompatible zookeeper version"
                                          " %s detected, zookeeper >= %s"
                                          " required" %
                                          (pretty_server_version, min_version))
    if max_version:
        if server_version is None:
            server_version = tuple((int(a) for a in client.server_version()))
        max_version = tuple((int(a) for a in max_version))
        if server_version > max_version:
            pretty_server_version = ".".join([str(a) for a in server_version])
            max_version = ".".join([str(a) for a in max_version])
            raise exc.IncompatibleVersion("Incompatible zookeeper version"
                                          " %s detected, zookeeper <= %s"
                                          " required" %
                                          (pretty_server_version, max_version))