[PATCH 06/10] nvme/039: create authenticated connections

Hannes Reinecke hare at suse.de
Mon Dec 13 23:16:28 PST 2021


On 12/14/21 12:01 AM, Chaitanya Kulkarni wrote:
> On 11/22/21 11:49 PM, Hannes Reinecke wrote:
>> Signed-off-by: Hannes Reinecke <hare at suse.de>
>> ---
>>    tests/nvme/039     | 83 ++++++++++++++++++++++++++++++++++++++++++++++
>>    tests/nvme/039.out |  7 ++++
>>    2 files changed, 90 insertions(+)
>>    create mode 100644 tests/nvme/039
>>    create mode 100644 tests/nvme/039.out
>>
>> diff --git a/tests/nvme/039 b/tests/nvme/039
>> new file mode 100644
>> index 0000000..4fbe7de
>> --- /dev/null
>> +++ b/tests/nvme/039
>> @@ -0,0 +1,83 @@
>> +#!/bin/bash
>> +# SPDX-License-Identifier: GPL-3.0+
>> +# Copyright (C) 2021 Hannes Reinecke, SUSE Labs
>> +#
>> +# Create authenticated connections
>> +
>> +. tests/nvme/rc
>> +
>> +DESCRIPTION="Create authenticated connections"
>> +QUICK=1
>> +
>> +requires() {
>> +	_nvme_requires
>> +	_have_modules loop
>> +	_require_nvme_trtype_is_fabrics
>> +	_require_nvme_cli_auth
>> +}
>> +
>> +
>> +test() {
>> +	local port
>> +	local subsys="blktests-subsystem-1"
>> +	local hostid="$(uuidgen)"
>> +	local hostnqn="nqn.2014-08.org.nvmexpress:uuid:${hostid}"
>> +	local scratch="/tmp/blktest-ns1.img"
>> +	local hostkey
>> +	local ctrldev
>> +
>> +	echo "Running ${TEST_NAME}"
>> +
>> +	hostkey="$(nvme gen-dhchap-key -n ${subsys} 2> /dev/null)"
>> +	if [ $? -ne 0 ] ; then
>> +		echo "nvme gen-dhchap-key command missing"
>> +		return 1
>> +	fi
>> +
>> +	_setup_nvmet
>> +
>> +	truncate -s 512M "${scratch}"
>> +
>> +	port="$(_create_nvmet_port "${nvme_trtype}")"
>> +
>> +	_create_nvmet_subsystem "${subsys}" "${scratch}"
>> +	_add_nvmet_subsys_to_port "${port}" "${subsys}"
>> +	_create_nvmet_host "${subsys}" "${hostnqn}" "${hostkey}"
>> +
> 
> Starting from _setup_nvmet() to _create_nvmet_host() seems to be
> duplicated in most of the cases (39/40/41/42/43).
> 
> Let's avoid the code duplication by creating a helper in nvme/rc ?
> 
I deliberately did not create a single helper here, as I'm not a fan of 
functions with thousands of arguments (we would need at least 5 
arguments here).
And also it allows you to expand that by creating two ports to the same 
subsystem etc.

So I'd rather keep it that way.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare at suse.de                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer



More information about the Linux-nvme mailing list