added rn

docs/rn/0.26.md

@@ -0,0 +1,79 @@
+# Release 0.26
+:material-calendar: 2022-05-03
+
+## Nokia SR Linux banner
+Little things with big impact - this is what SR Linux banner addition is. Starting with 0.26 release, containerlab will add a banner message to all SR Linux nodes with all necessary pointers such as:
+
+* docs site
+* release notes PDF
+* YANG browser URL
+* repository where we keep container images
+* links to our cozy discord server and coordinates of ~~ISS~~ our sales representatives
+
+```
+❯ ssh admin@clab-srl-srl
+Warning: Permanently added 'clab-srl-srl,2001:172:20:20::f' (ECDSA) to the list of known hosts.
+................................................................
+:                  Welcome to Nokia SR Linux!                  :
+:              Open Network OS for the NetOps era.             :
+:                                                              :
+:    This is a freely distributed official container image.    :
+:                      Use it - Share it                       :
+:                                                              :
+: Get started: https://learn.srlinux.dev                       :
+: Container:   https://go.srlinux.dev/container-image          :
+: Docs:        https://doc.srlinux.dev/21-11                   :
+: Rel. notes:  https://doc.srlinux.dev/rn21-11-2               :
+: YANG:        https://yang.srlinux.dev/v21.11.2               :
+: Discord:     https://go.srlinux.dev/discord                  :
+: Contact:     https://go.srlinux.dev/contact-sales            :
+................................................................
+
+Using configuration file(s): []
+Welcome to the srlinux CLI.
+Type 'help' (and press <ENTER>) if you need any help using this.
+--{ running }--[  ]--                                               
+```
+
+Now everything you need to get started is just one click away.
+
+## Topology export
+Our partner in crime @abortok added a nice feature titled "topology data auto export" for his [graphite](https://github.com/netreplica/graphite) project in #850. What now happens is that on each lab deployment you will find a file called `topology-data.json` inside the lab directory that contains most important topology information that can be consumed by external tools.
+
+Read more about what data is dumped [here](../manual/inventory.md#topology-data).
+
+In addition to the auto-export functionality, users are now able to provide their own Go template file describing the desired output format for topology export. This is possible with the newly added [`export-template`](../cmd/deploy.md#export-template) flag.
+
+And even that is not all :D To be able to easily refer to the files located in a lab directory[^1] a new [magic variable has been added](../manual/nodes.md#binds) - `__clabDir__`.
+
+## Keysight IXIA-C
+Keysight folks added support for their open source traffic generator appliance - ixia-c - to containerlab. Meet [`keysight_ixia-c-one`](../manual/kinds/keysight_ixia-c-one.md) kind!
+
+This addition allows you to write and run traffic-based tests using open-source production-grade traffic generators all inside the container runtime setting. There is a lot to be said about this integration, and we plan to record a few videos with Keysight; for now you can hack it on your own.
+
+## Env files
+Our own @steiler is back and added support (#847) for env files that you can use with [`env-files`](../manual/nodes.md#env-files) node container.
+
+## Labels as env vars
+Now every label that you (or containerlab) defined for a node gets promoted to an env var. With this it is possible to let scripts running inside the container access to metadata information we attach via clab files #841.
+
+## Sysctls
+And if you wanted to configure sysctls for a node - it is now possible with [`sysctls`](../manual/nodes.md#sysctls) container #856.
+
+## Bridge forwarding
+When clabbers used linux bridges in their topologies it was common to see traffic to be dropped when entering a bridge. This was in line with the default iptables rules which prevent forwarding over the bridge by default.
+
+Now containerlab will add the relevant [iptables rule](../manual/kinds/bridge.md#using-bridge-kind) to allow forwarding over the bridges #871.
+
+## Miscellaneous
+* next-ui-based graph works better with long image names in tooltips #834
+* added json-rpc example for [nokia sr linux](../manual/kinds/srl.md)
+* better runtime mtu detection #840
+* Arista cEOS nodes now will wait for all veth interfaces to first be present inside the container, before starting the main startup scripts #854
+* added PauseContainer runtime method #843
+* containerlab will not attempt to deploy labs with sr linux nodes if SSE3 cpu instruction set is not found #846
+* better cleanup procedure for veth between container and host namespaces #862
+* new [community](../community.md) posts
+
+
+[^1]: that is the one that is named as `clab-<lab-name>`.

mkdocs.yml

@@ -87,6 +87,7 @@ nav:
           - Leaf-spine topology: lab-examples/templated01.md
           - 5-stage Clos topology: lab-examples/templated02.md
   - Release notes:
+      - "0.26": rn/0.26.md
       - "0.25": rn/0.25.md
       - "0.24": rn/0.24.md
       - "0.23": rn/0.23.md