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Topology Docker

Topology Docker its a plugin (called a Platform Engine) for the Topology Framework that allows to build a topology using Docker containers.

Documentation

https://topology-docker.readthedocs.io/

Changelog

1.8.0

Changes

  • Allow platform to receive options, so it is compatible with the new Topology 1.10.0 "options" feature. [David Diaz]

1.7.0

  • Release changelog lost in time.

1.6.0

New

  • A dockerfile for a test host container has been added. The purpose of this container is to serve as a general purpose test host, which includes by default several tools (iperf, tcpdump, for example) that are useful for test case execution.
  • Fixing default host image in ubuntu:14.04. The default image for hosts used to be ubuntu:latest but since the actual image to which this points to can change, it could introduce issues for test cases that were developed under the assumption that the pointed-to image included the necessary tools for the test case.
  • Logging the image and container data. Image name, id, creation date, etc. are now logged automatically for every container.
  • Docker nodes now mount their /tmp directory under the host /tmp. The mount path of this directory under the host /tmp is defined using the container id.
  • A new test that checks the proper functionality of host routes has been added. This is a functional test in which 2 hosts ping each other.

Changes

  • Documentation for image attribute has been improved. This attribute was a source of confusion since it was not explicitly documented that the TAG column needed to be included in the image value.

Fixes

  • Nodes which fail to start are now not considered for rollback. Also, this rollback process is now a best effort since it just tries to stop nodes. If one of these nodes fails to stop, this will be logged and the process will continue.

1.5.0

Changes

The only change in this version is the transference of all specialized support nodes previously included with this platform engine into their own repositories. This change seeks to improve maintainability of the platform engine, separation of the support nodes issues, requirements and enhancements from those of the platform and, finally, endorse shared ownership of the nodes.

The new home for those support nodes are:

OpenSwitch support node:https://github.com/HPENetworking/topology_docker_openswitch
Open vSwitch support node:https://github.com/HPENetworking/topology_docker_openvswitch
P4Switch support node:https://github.com/HPENetworking/topology_docker_p4switch
Ryu Controller support node:https://github.com/HPENetworking/topology_docker_ryu

1.4.0

New

  • The binds attribute can now be injected and extended by users. If you require to add a new bind directory to a node you may now specify the attribute binds (and thus, also use attribute injection) separating the pair of binded directories with a ;. For example:

    /host/a:/container/a;/host/b:/container/b

  • OpenSwitch support node will now notify the container when the setup of the interfaces is done. This fixes many potential race conditions on container initialization. To be able to use this new feature an OpenSwitch image of a date greater than March 4 2016 is required.

Changes

  • Set topology minimal version to 1.5.0.
  • Internal docker exec shell layer migrated to Topology's new shell API, available since 1.4.0 and improved in 1.5.0.

Fixes

  • OpenSwitch support node will now ignore the bonding_masters interface when creating setting up the ports.
  • Fixed a race condition in OpenSwitch support node caused by a slower than normal db schema setup in ovsdb. This race conditions caused an IndexError when setting up the image, causing the topology build to rollback.

1.3.0

Changes

  • Node's/Container's hostname can now be set using the hostname attribute in the SZN description. OpenSwitch will always enforce the switch hostname for all nodes of this type.
  • Docker-py's will now use the server's API version, instead of the latest. With this it will no longer required to update the Docker daemon to run topology tests.
  • Set topology minimal version to 1.2.0.

1.2.0

Changes

  • Refactored node loading logic to use topology.platforms.utils.NodeLoader instead.

1.1.0

New

  • Added Dockerfiles for Ryu and P4.

Changes

  • The Open vSwitch node will now check that the openvswitch kernel module is loaded. It is supposed to work in user space, but we discovered many race conditions without the kernel module. Check the documentation of the openvswitch node for more information.

Fixes

  • Improved openswitch's vtysh prompt regular expression to avoid false positives matches.
  • Fixed a bug on shell management that caused the echo of the command to be included in the output, and thus interpreted as failed.

1.0.0

  • Initial public release.

License

Copyright (C) 2015-2016 Hewlett Packard Enterprise Development LP

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.