Re: [netmod] OpsState and Schema-Mount

Robert Wilton <rwilton@cisco.com> Wed, 03 August 2016 08:46 UTC

Return-Path: <rwilton@cisco.com>
X-Original-To: netmod@ietfa.amsl.com
Delivered-To: netmod@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DA8CF12D130 for <netmod@ietfa.amsl.com>; Wed, 3 Aug 2016 01:46:43 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -15.808
X-Spam-Level:
X-Spam-Status: No, score=-15.808 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.287, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rOw8PT5JPmxT for <netmod@ietfa.amsl.com>; Wed, 3 Aug 2016 01:46:43 -0700 (PDT)
Received: from aer-iport-3.cisco.com (aer-iport-3.cisco.com [173.38.203.53]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D630A12D10E for <netmod@ietf.org>; Wed, 3 Aug 2016 01:46:41 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=865; q=dns/txt; s=iport; t=1470214002; x=1471423602; h=subject:to:references:from:cc:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=gCAkzXWzN5fmVHS+WGmpEwIKnKeUrvUeGyqyW+KBbws=; b=iXy6ToiYrzzfkggw5NwiB3tRja1359+j/6OrEemwt8uEXzZLwPJEGAIr mb3mNOeubrswn18kQnbbNjg8ZX8HHWKuHcLJGrpZZGRDr8eXfEMhptP0r g5w8Uw7ZOBB4LLxBpWIO7TZ9I4pbev3PWixiygDqUvDgE5Nk4Zq8QzBlI 0=;
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0BqCgDtraFX/xbLJq1dhEW7fYYdAoISAQEBAQEBXieEXwEFOEEQCxguVwYBDAgBARWIGL8TAQEBAQEBAQEBAQEBAQEBAQEBH4YqgXiCVYobAQSZNI5/iVOFbIhog0iDd1SDezuJDgEBAQ
X-IronPort-AV: E=Sophos;i="5.28,465,1464652800"; d="scan'208";a="639270997"
Received: from aer-iport-nat.cisco.com (HELO aer-core-1.cisco.com) ([173.38.203.22]) by aer-iport-3.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Aug 2016 08:46:39 +0000
Received: from [10.63.23.91] (dhcp-ensft1-uk-vla370-10-63-23-91.cisco.com [10.63.23.91]) by aer-core-1.cisco.com (8.14.5/8.14.5) with ESMTP id u738kdu7011926; Wed, 3 Aug 2016 08:46:39 GMT
To: Balazs Lengyel <balazs.lengyel@ericsson.com>, netmod WG <netmod@ietf.org>
References: <bed9398c-0e6a-450e-d2ac-b381b6bebf87@cisco.com> <5296754B-8178-4B1B-B4A6-FE228ABB8E7F@juniper.net> <9367f4b1-7814-e175-32e8-d518438b841d@cisco.com> <m24m79c1ja.fsf@birdie.labs.nic.cz> <D3BF8708.72620%acee@cisco.com> <552008CB-F216-4578-A709-AE0613C2EFB9@nic.cz> <12ed1a4d-44c5-9a51-b6d4-95e1620a24ee@cisco.com> <m260roedim.fsf@birdie.labs.nic.cz> <CABCOCHRF98sTa=MA1VTkZovOufL-=yQr9Gzy+ojnncjSfK1y0Q@mail.gmail.com> <e307c2fc-e621-b5c6-4fcc-67bbcdcb87b9@cisco.com> <20160729163220.GA3579@elstar.local> <68421198-703c-bb26-0fcc-f560e6fe108d@ericsson.com>
From: Robert Wilton <rwilton@cisco.com>
Message-ID: <905fc8c9-b4b8-1f1f-badd-0d1b0b229c9e@cisco.com>
Date: Wed, 03 Aug 2016 09:46:41 +0100
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0
MIME-Version: 1.0
In-Reply-To: <68421198-703c-bb26-0fcc-f560e6fe108d@ericsson.com>
Content-Type: text/plain; charset="windows-1252"; format="flowed"
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/pu0g_GZwEJrsEb7_dbI09OduSVo>
Subject: Re: [netmod] OpsState and Schema-Mount
X-BeenThere: netmod@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: NETMOD WG list <netmod.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/>
List-Post: <mailto:netmod@ietf.org>
List-Help: <mailto:netmod-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 03 Aug 2016 08:46:44 -0000

Hi Balazs,

Yes, it would be exactly as you describe: you end up having two parallel 
trees, with two parallel sets of mount points.

It feels like this would be an extra wart, but not the end of the world.

I also agree that avoiding the foo/foo-state split would help mitigate this.

Thanks,
Rob


On 02/08/2016 17:35, Balazs Lengyel wrote:
> Hello,
> If we allow foo and foo-state for opstate, mounting models atop such a 
> multi rooted yang module will be fun.
> mount modB-config-part onto modA-config-part
> mount modB-state-part onto modA-state-part
> One mount becomes two and you have to maintain parallel mounts 
> otherwise you are mounting half modules.
>
> Actually the problem is not caused by opstate, but rather by 
> multi-rooted models. but avoiding foo-state would make life easier 
> once more.
>
> regards Balazs
>