Define new intent at runtime

[buria...@gmail.com]

Hi,

my question is, is there a way how to define new intent and insert it to ONOS at runtime? I read here that in order to define and use new intent ONOS needs to be recompiled

but wiki says that it is possible to define and insert new intent into ONOS at runtime. Which si true? If latter can you please point me to some tutorial/info how to define and insert new intents to ONOS

at runtime?

Thanks

[Rafał Szalecki]

Hello,

The easiest way to add the intent in runtime is to use ONOS CLI:

onos> add-point-intent --help
DESCRIPTION
        onos:add-point-intent

        Installs point-to-point connectivity intent

SYNTAX
        onos:add-point-intent [options] ingressDevice egressDevice

...

Best regards

Rafał

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[laszl...@hubersuhner.com]

I think that is a specific Intent and what the original question was instead is a new intent type as opposed to new intent instance.


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________________________________________
From: Rafał Szalecki [r.sza...@samsung.com]
Sent: 20 June 2018 11:30
To: onos...@onosproject.org
Subject: Re: [onos-dev] Define new intent at runtime

Hello,

The easiest way to add the intent in runtime is to use ONOS CLI:

onos> add-point-intent --help
DESCRIPTION
onos:add-point-intent

Installs point-to-point connectivity intent

SYNTAX
onos:add-point-intent [options] ingressDevice egressDevice

...


Best regards

Rafał

On 20.06.2018 11:35, buria...@gmail.com<mailto:buria...@gmail.com> wrote:
Hi,

my question is, is there a way how to define new intent and insert it to ONOS at runtime? I read here<https://groups.google.com/a/onosproject.org/forum/#%21msg/onos-dev/awUP05lVLxI/XpO7SMmxBwA> that in order to define and use new intent ONOS needs to be recompiled
but wiki <https://wiki.onosproject.org/display/ONOS/Intent+Framework> says that it is possible to define and insert new intent into ONOS at runtime. Which si true? If latter can you please point me to some tutorial/info how to define and insert new intents to ONOS

at runtime?

Thanks
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[cid:cafe_i...@s-core.co.kr]

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[buria...@gmail.com]

Hi,

As Laszlo suggested I was referring to new type of intent situation.

From wiki: 

It allows additional intents and their compilers or installers to be added to ONOS dynamically at run-time. This allows others to enhance the initial arsenal of connectivity and policy-based intents available in ONOS by default.

My question is how to add new type of intent at run-time. Or am I misunderstanding something and wiki refers to adding new intent instance at run-time and not new type of intent?

Thanks

[Yi Tseng]

Hi,

Which part mentioned that it is possible to add new type of Intent? Can you point out?

I think you can not add new type of Intent to the Intent subsystem.

Thanks

Yi

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Yi Tseng (a.k.a Takeshi)
Taiwan National Chiao Tung University
Department of Computer Science

W2CNLab

https://takeshi.tw

[buria...@gmail.com]

Hi Yi,

This is that part I was referring to

Although the ONOS core provides a suite of built-in intents and their compilers and installers, the intent framework is designed to be extensible. It allows additional intents and their compilers or installers to be added to ONOS dynamically at run-time. This allows others to enhance the initial arsenal of connectivity and policy-based intents available in ONOS by default.

I found it here: https://wiki.onosproject.org/display/ONOS/Intent+Framework

Thanks
Patrik 

Dňa streda, 20. júna 2018 18:53:47 UTC+2 a86487817 napísal(-a):

Hi,

Which part mentioned that it is possible to add new type of Intent? Can you point out?

I think you can not add new type of Intent to the Intent subsystem.

Thanks

Yi

2018-06-20 21:26 GMT+08:00 <buria...@gmail.com>:

Hi,

As Laszlo suggested I was referring to new type of intent situation.

From wiki: 

It allows additional intents and their compilers or installers to be added to ONOS dynamically at run-time. This allows others to enhance the initial arsenal of connectivity and policy-based intents available in ONOS by default.

My question is how to add new type of intent at run-time. Or am I misunderstanding something and wiki refers to adding new intent instance at run-time and not new type of intent?

Thanks

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[Yi Tseng]

It is easy to add new Intent compiler and installer for built-in Intents because they don't requires Intent store and low level serializers.

If you want to add new type of Intent to the system, you need to update the serializer of the store so it knows how to serialize new Intent type:

https://github.com/opennetworkinglab/onos/blob/master/core/store/dist/src/main/java/org/onosproject/store/intent/impl/GossipIntentStore.java#L154

However, currently the (KryoNamespace) serializer and EventuallyConsistentMap are immutable. So it requires recompile to apply new type of Intent.

Yi

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[buria...@gmail.com]

So everything that is needed to define new intent is define intent class, intent compiler, intent installer and update intent store serializer?

Patrik

[Riyad Islam]

Hi 

Can you help me out on creating new type of intent. I am a beginner. 

I am not understanting the intent workflow. So I am unable to add new type of intent.

Regards 

Riyad 

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