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Make formatting more consistent with previous versions

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Bryan Boreham committed 2017-06-23 10:18:39 +00:00
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## Release 2.0.0
### New Features
New Features
### Peer Discovery via Weave Cloud
Peer Discovery via Weave Cloud
You can now get all your Weave Net peers to find each other via the Weave Cloud service, instead of maintaining a list of peers at startup. #2799,#2827
You can now get all your Weave Net peers to find each other via the
Weave Cloud service, instead of maintaining a list of peers at
startup. #2799,#2827
See the [docs page](https://github.com/weaveworks/weave/blob/master/site/using-weave/weave-cloud.md) for more details
See the [docs
page](https://github.com/weaveworks/weave/blob/master/site/using-weave/weave-cloud.md)
for more details
### New Docker Plugin
New Docker Plugin
Docker has a [new plugin system](https://docs.docker.com/engine/extend/) which improves the installation UX and solves some issues around startup. This means Weave Net 2.0 can now run with Docker in "swarm mode" and supports the `docker service` command. #2396,#2397,#2651,#2727,#2805,#2816,#2905, #2906,#2929,#2932,#2945,#2950,#2956,#2963,#2964,#2966
Docker has a [new plugin
system](https://docs.docker.com/engine/extend/) which improves the
installation UX and solves some issues around startup. This means
Weave Net 2.0 can now run with Docker in "swarm mode" and supports the
`docker service` command. #2396,#2397,#2651,#2727,#2805,#2816,#2905,
#2906,#2929,#2932,#2945,#2950,#2956,#2963,#2964,#2966
The previous Docker Plugin is still available and can be installed as before.
### All of Weave Net now runs in one container
All of Weave Net now runs in one container
Previously we had three separate containers for routing, Docker API
proxy and Docker plugin. Running everything in one simplifies start-up and removes the need to detect various error conditions. #1642,#2897,#2936,#2945,#2946,#2951,#2960
proxy and Docker plugin. Running everything in one simplifies start-up
and removes the need to detect various error
conditions. #1642,#2897,#2936,#2945,#2946,#2951,#2960
The individual commands ‘weave launch-router’, ‘weave launch-plugin’, etc., have been removed. You can turn off the plugin and proxy with new command-line options. In keeping with Semantic Versioning, we have changed the major version number for this release.
The individual commands ‘weave launch-router’, ‘weave launch-plugin’,
etc., have been removed. You can turn off the plugin and proxy with
new command-line options. In keeping with Semantic Versioning, we have
changed the major version number for this release.
#### Other new features
Other new features
* Kubernetes configuration now comes from our “Launch Generator” that allows different options to be selected via URL. #2754,#2903,#3000,#3001
* `weave-kube` now stores data about IP allocation in `/var/lib/weave` on the host instead of in a Kubernetes volume. This means that the data will persist across pod deletion and re-creation, e.g. during an upgrade of Weave Net, which makes restarts more reliable. #2610,#2967
* Kubernetes configuration now comes from our “Launch Generator” that
allows different options to be selected via
URL. #2754,#2903,#3000,#3001
* `weave-kube` now stores data about IP allocation in `/var/lib/weave`
on the host instead of in a Kubernetes volume. This means that the
data will persist across pod deletion and re-creation, e.g. during
an upgrade of Weave Net, which makes restarts more
reliable. #2610,#2967
#### Features removed
Features removed
* `weave run` has been removed. This was the original method provided to start containers with Weave Net, but it always required care over timing of start-up, and we now provide three alternative, better, ways. You can replicate the effect by calling `docker run` then `weave attach`. Similarly `weave start` and `weave restart` were removed. #2353,#2885
* Everything deprecated more than one release ago has been removed, so if you use it now you get an error rather than a warning. This includes the ‘create-bridge’ command and older command-line arguments, e.g. `--iprange` was replaced by `--ipalloc-range` #2901,#2909,#2913,#2942,#2989,#2991
* `weave run` has been removed. This was the original method provided
to start containers with Weave Net, but it always required care over
timing of start-up, and we now provide three alternative, better,
ways. You can replicate the effect by calling `docker run` then
`weave attach`. Similarly `weave start` and `weave restart` were
removed. #2353,#2885
* Everything deprecated more than one release ago has been removed, so
if you use it now you get an error rather than a warning. This
includes the ‘create-bridge’ command and older command-line
arguments, e.g. `--iprange` was replaced by `--ipalloc-range`
#2901,#2909,#2913,#2942,#2989,#2991
#### Functions moved from shell-script to Go code.
Functions moved from shell-script to Go code.
This enables more precise error-checking and runs a bit faster. It has also enabled us to shrink the size of images downloaded: `weave-kube` is 101MB compared to 163MB previously #2953,#2954,#2974
This enables more precise error-checking and runs a bit faster. It has
also enabled us to shrink the size of images downloaded: `weave-kube`
is 101MB compared to 163MB previously #2953,#2954,#2974
Specific items that moved from shell-script to Go:
* Setting up the `weave` bridge #1958,#2975,#2977,#2978
* Container attachment #2947
* Creation of the ’weave’ default plugin network #2920
#### Minor improvements
Minor improvements
* You can now restart the Weave Net router without requiring the proxy to be enabled #2112
* Plugin (legacy version) now respects `--ipalloc-default-subnet` option #2919
* The `weave` script now detects and issues an error message if
`weave-kube` is running and you attempt to launch again from the script. #2709/#2966
* It is now possible to choose the the MAC address of the `weave` bridge using `--name`, in case your hosts have identical unique IDs. #2900
* Relaxed Kubernetes tolerations for Weave Net's daemonset in order to match any node (previously, only taints directed at master). #3018
* Kubernetes' `seLinuxOptions` configuration is now empty by default, to reduce spurious failures on hosts not using seLinux. #3001
* It is now possible to choose the the MAC address of the `weave`
bridge using `--name`, in case your hosts have identical unique
IDs. #2900
* Relaxed Kubernetes tolerations for Weave Net's daemonset in order to
match any node (previously, only taints directed at master). #3018
* Kubernetes' `seLinuxOptions` configuration is now empty by default,
to reduce spurious failures on hosts not using seLinux. #3001
* Improved reliability of namespace changes via `nsenter`. #2992
* `weave ps` now fetches the list container IDs internally, rather than calling out to `docker ps` #2814,#2898
* `weave ps` now fetches the list container IDs internally, rather
than calling out to `docker ps` #2814,#2898
* at startup, actively remove dead containers’ Weave Net IP addresses from IPAM #3013
* at startup, only check live containers to see if they have an existing Weave Net IP address #2815,#2829
* Weave Net CNI plugin now logs but does not raise an error if anything goes wrong during network interface delete, to be more compatible with Kubernetes 1.6. #2928
* at startup, only check live containers to see if they have an
existing Weave Net IP address #2815,#2829
* Weave Net CNI plugin now logs but does not raise an error if
anything goes wrong during network interface delete, to be more
compatible with Kubernetes 1.6. #2928
* Stop running a shell in “privileged” mode when it’s only writing a file #2838
* New internal REST endpoint to return all IP address mappings. #1350
* Changed the wording where we do not log the password #2833
* Fixed typo in plugin error messages #2894
#### Build and test
Build and test
* Weave Net is now built with Go version 1.8, which has better code generation and garbage collection #2914
* During smoke-tests, use a webserver instead of just `ping` so we get a more realistic test that the Weave network is working #2918
* When installing dependencies for the build container, use a keyserver port that's better for firewalls #2812
* Kubernetes test script now scales up to more hosts, and works with Kubernetes 1.6 #2837,#2853,#2923
* Weave Net is now built with Go version 1.8, which has better code
generation and garbage collection #2914
* During smoke-tests, use a webserver instead of just `ping` so we get
a more realistic test that the Weave network is working #2918
* When installing dependencies for the build container, use a
keyserver port that's better for firewalls #2812
* Kubernetes test script now scales up to more hosts, and works with
Kubernetes 1.6 #2837,#2853,#2923
* Other minor build improvements and refactoring #2760,#2910
### External Contributors
Thanks to the following who contributed changes during this release:
@bjhaid
@dlmiddlecote
@mattjtodd
@mgalgs
@mikebryant
@Shimi
@stuart-warren
[Full list of changes](https://github.com/weaveworks/weave/milestone/49?closed=1).
## Release 1.9.8