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Merge pull request #108 from hellt/patches-from-71
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‎sros/README.md

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This is the vrnetlab docker image for Nokia VSR / SROS.
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## Building the docker image
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Ask your Nokia representative for the VSR/VSIM image.
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Copy the `sros-vm.qcow2` file in `vrnetlab/sros` directory and rename the file by appending the SR OS version to it.
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For example, for SR OS version 20.10.r1 make sure that the qcow2 file will be named as `sros-vm-20.10.R1.qcow2`. The version (20.10.R1) will be used as a container image tag.
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Run `make docker-image` to start the build process. The resulting image is called `vrnetlab/vr-sros:<version>`. You can tag it with something else if needed, like `vr-sros:<version>`.
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It's been tested to run with the following versions:
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* 20.10.R1 -- 20.10.R3
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* 21.2.R1
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* 20.10.R1 -- 20.10.R3
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* 21.2.R1
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## Variants
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Nokia SR OS virtualized simulator (VSIM) can be configured to emulate many chassis and cards combinations.
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To give vrnetlab users flexibility of choice, this fork provides a number of such combinations, which are called _variants_.
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To give vrnetlab users the flexibility of choice, this fork provides a number of such combinations, which are called _variants_.
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By selecting a certain variant (referred by its `name`) the VSIM will start with a certain configuration as per the following table:
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| Name | mode | Control plane | Line card | RAM (GB) | Max NICs |
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| :---------: | :---------: | :--------------------: | :-----------------------: | :------: | :------: |
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| sr-1 | integrated | cpm-1 | me12-100gb-qsfp28 | 5 | 12 |
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| sr-1e | distributed | cpm-e | me40-1gb-csfp | 4+4 | 40 |
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| sr-1s | integrated | xcm-1s | s36-100gb-qsfp28 | 5 | 36 |
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| sr-1s | integrated | xcm-1s | s36-100gb-qsfp28 | 5 | 36 |
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| sr-14s | distributed | sfm-s+xcm-14s | s36-100gb-qsfp28 | 4+6 | 36 |
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| ixr-e-small | distributed | imm14-10g-sfp++4-1g-tx | m14-10g-sfp++4-1g-tx | 3+4 | 18 |
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| ixr-e-big | distributed | cpm-ixr-e | m24-sfp++8-sfp28+2-qsfp28 | 3+4 | 34 |
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| ixr-r6 | integrated | cpiom-ixr-r6 | m6-10g-sfp++4-25g-sfp28 | 6 | 10 |
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| ixr-s | integrated | cpm-ixr-s | m48-sfp++6-qsfp28 | 3+4 | 54 |
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The variants are [defined in the code](https://github.com/hellt/vrnetlab/blob/bf70a9a9f2f060a68797a7ec29ce6aea96acb779/sros/docker/launch.py#L38-L66) as a dictionary. If a variant you need is not in the table, use the `custom` variant and define the emulated platform yourself as described below.
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| Name | mode | Control plane | Line card | RAM (GB) | Max NICs |
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| :----------: | :---------: | :--------------------: | :------------------------------: | :------: | :------: |
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| sr-1 | integrated | cpm-1 | me12-100gb-qsfp28 | 5 | 12 |
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| sr-1e | distributed | cpm-e | me40-1gb-csfp | 4+4 | 40 |
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| sr-1e-sec | distributed | cpm-e | me12-10/1gb-sfp+ and isa2-tunnel | 4+4 | 12 |
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| sr-1s | integrated | xcm-1s | s36-100gb-qsfp28 | 6 | 36 |
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| sr-1s-macsec | integrated | xcm-1s | ms16-100gb-sfpdd+4-100gb-qsfp28 | 6 | 20 |
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| sr-2s | distributed | cpm-2s | ms8-100gb-sfpdd+2-100gb-qsfp28 | 3+4 | 10 |
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| sr-7s | distributed | sfm2-s+xcm2-7s | x2-s36-800g-qsfpdd-18.0t | 4+6 | 36 |
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| sr-7s-fp4 | distributed | sfm-s+xcm-7s | s36-100gb-qsfp28 | 4+6 | 36 |
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| sr-14s | distributed | sfm-s+xcm-14s | s36-100gb-qsfp28 | 4+6 | 36 |
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| sr-a4 | distributed | cpm-a | maxp10-10/1gb-msec-sfp+ | 4+4 | 10 |
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| ixr-e-small | distributed | imm14-10g-sfp++4-1g-tx | m14-10g-sfp++4-1g-tx | 3+4 | 18 |
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| ixr-e-big | distributed | cpm-ixr-e | m24-sfp++8-sfp28+2-qsfp28 | 3+4 | 34 |
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| ixr-ec | integrated | cpm-ixr-e | m4-1g-tx+20-1g-sfp+6-10g-sfp+ | 4 | 34 |
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| ixr-r6 | integrated | cpiom-ixr-r6 | m6-10g-sfp++1-100g-qsfp28 | 6 | 10 |
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| ixr-s | integrated | cpm-ixr-s | m48-sfp++6-qsfp28 | 3+4 | 54 |
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The variants are [defined in the code](https://github.com/hellt/vrnetlab/blob/bf70a9a9f2f060a68797a7ec29ce6aea96acb779/sros/docker/launch.py#L58) as a dictionary. If a variant you need is not in the table, use the `custom` variant and define the emulated platform yourself as described below.
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### Custom variant
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It is possible to provide a custom variant. For that, the variant argument must be formed in one of the following way, depending on the integrated or distributed platform:
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**Integrated**
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```bash
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cpu=2 ram=4 max_nics=6 chassis=sr-1 slot=A card=cpm-1 slot=1 mda/1=me6-100gb-qsfp28
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```
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**Distributed**
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```bash
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# for distributed chassis CPM and IOM are indicated with markers cp: and lc:
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# notice the delimiter string `___` that MUST be present between CPM and IOM portions
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## Usage with containerlab
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Refer to containerlab documentation piece on [vrnetlab integration](https://containerlab.srlinux.dev/manual/vrnetlab/) and vr-sros.
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Refer to containerlab documentation piece on [vrnetlab integration](https://containerlab.srlinux.dev/manual/vrnetlab/) and vr-sros.

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