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Merge branch 'hotfix-0.2.1' into stable
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BertrandGouny committed Feb 20, 2016
2 parents 27de048 + 9a375af commit 438f864
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3 changes: 3 additions & 0 deletions CHANGELOG.md
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# Changelog

## 0.2.1
- Upgrade baseimage: light-baseimage:0.2.2

## 0.2.0
- Upgrade baseimage: light-baseimage:0.2.1
- Makefile with build no cache
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2 changes: 1 addition & 1 deletion Makefile
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NAME = osixia/keepalived
VERSION = 0.2.0
VERSION = 0.2.1

.PHONY: all build build-nocache test tag_latest release

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40 changes: 28 additions & 12 deletions README.md
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# osixia/keepalived

[![](https://badge.imagelayers.io/osixia/keepalived:latest.svg)](https://imagelayers.io/?images=osixia/keepalived:latest 'Get your own badge on imagelayers.io') | Latest release: 0.2.0 - Keepalived 1.2.19 - [Changelog](CHANGELOG.md) | [Docker Hub](https://hub.docker.com/r/osixia/keepalived/) 
[![Docker Pulls](https://img.shields.io/docker/pulls/osixia/keepalived.svg)][hub]
[![Docker Stars](https://img.shields.io/docker/stars/osixia/keepalived.svg)][hub]
[![Image Size](https://img.shields.io/imagelayers/image-size/osixia/keepalived/latest.svg)](https://imagelayers.io/?images=osixia/keepalived:latest)
[![Image Layers](https://img.shields.io/imagelayers/layers/osixia/keepalived/latest.svg)](https://imagelayers.io/?images=osixia/keepalived:latest)

[hub]: https://hub.docker.com/r/osixia/keepalived/

Latest release: 0.2.1 - Keepalived 1.2.19 - [Changelog](CHANGELOG.md) | [Docker Hub](https://hub.docker.com/r/osixia/keepalived/) 

A docker image to run Keepalived.
> [keepalived.org](http://keepalived.org/)
- [Quick start](#quick-start)
- [Beginner Guide](#beginner-guide)
- [Use your own Backup Manager config](#use-your-own-backup-manager-config)
- [Fix docker mounted file problems](#fix-docker-mounted-file-problems)
- [Debug](#debug)
- [Environment Variables](#environment-variables)
- [Set your own environment variables](#set-your-own-environment-variables)
- [Use command line argument](#use-command-line-argument)
- [Link environment file](#link-environment-file)
- [Make your own image or extend this image](#make-your-own-image-or-extend-this-image)
- [Advanced User Guide](#advanced-user-guide)
- [Extend osixia/keepalived:0.2.0 image](#extend-osixiakeepalived020-image)
- [Extend osixia/keepalived:0.2.1 image](#extend-osixiakeepalived021-image)
- [Make your own keepalived image](#make-your-own-keepalived-image)
- [Tests](#tests)
- [Under the hood: osixia/light-baseimage](#under-the-hood-osixialight-baseimage)
Expand All @@ -25,7 +33,7 @@ A docker image to run Keepalived.

This image require the kernel module ip_vs loaded on the host (`modprobe ip_vs`) and need to be run with : --cap-add=NET_ADMIN --net=host

docker run --cap-add=NET_ADMIN --net=host -d osixia/keepalived:0.2.0
docker run --cap-add=NET_ADMIN --net=host -d osixia/keepalived:0.2.1

## Beginner Guide

Expand All @@ -35,22 +43,30 @@ but setting your own keepalived.conf is possible. 2 options:

- Link your config file at run time to `/container/service/keepalived/assets/keepalived.conf` :

docker run --volume /data/my-keepalived.conf:/container/service/keepalived/assets/keepalived.conf --detach osixia/keepalived:0.2.0
docker run --volume /data/my-keepalived.conf:/container/service/keepalived/assets/keepalived.conf --detach osixia/keepalived:0.2.1

- Add your config file by extending or cloning this image, please refer to the [Advanced User Guide](#advanced-user-guide)

### Fix docker mounted file problems

You may have some problems with mounted files on some systems. The startup script try to make some file adjustment and fix files owner and permissions, this can result in multiple errors. See [Docker documentation](https://docs.docker.com/v1.4/userguide/dockervolumes/#mount-a-host-file-as-a-data-volume).

To fix that run the container with `--copy-service` argument :

docker run [your options] osixia/keepalived:0.2.1 --copy-service

### Debug

The container default log level is **info**.
Available levels are: `none`, `error`, `warning`, `info`, `debug` and `trace`.

Example command to run the container in `debug` mode:

docker run --detach osixia/keepalived:0.2.0 --loglevel debug
docker run --detach osixia/keepalived:0.2.1 --loglevel debug

See all command line options:

docker run osixia/keepalived:0.2.0 --help
docker run osixia/keepalived:0.2.1 --help


## Environment Variables
Expand All @@ -70,7 +86,7 @@ See how to [set your own environment variables](#set-your-own-environment-variab

If you want to set this variable at docker run command add the tag `#PYTHON2BASH:` and convert the yaml in python:

docker run --env KEEPALIVED_UNICAST_PEERS="#PYTHON2BASH:['192.168.1.10', '192.168.1.11']" --detach osixia/keepalived:0.2.0
docker run --env KEEPALIVED_UNICAST_PEERS="#PYTHON2BASH:['192.168.1.10', '192.168.1.11']" --detach osixia/keepalived:0.2.1

To convert yaml to python online : http://yaml-online-parser.appspot.com/

Expand Down Expand Up @@ -104,15 +120,15 @@ Or by setting your own `env.yaml` file as a docker volume to `/container/environ
Environment variables can be set by adding the --env argument in the command line, for example:

docker run --env KEEPALIVED_INTERFACE="eno1" --env KEEPALIVED_PASSWORD="password!" \
--env KEEPALIVED_PRIORITY="100" --detach osixia/keepalived:0.2.0
--env KEEPALIVED_PRIORITY="100" --detach osixia/keepalived:0.2.1


#### Link environment file

For example if your environment file is in : /data/environment/my-env.yaml

docker run --volume /data/environment/my-env.yaml:/container/environment/01-custom/env.yaml \
--detach osixia/keepalived:0.2.0
--detach osixia/keepalived:0.2.1

Take care to link your environment file to `/container/environment/XX-somedir` (with XX < 99 so they will be processed before default environment files) and not directly to `/container/environment` because this directory contains predefined baseimage environment files to fix container environment (INITRD, LANG, LANGUAGE and LC_CTYPE).

Expand All @@ -122,13 +138,13 @@ This is the best solution if you have a private registry. Please refer to the [A

## Advanced User Guide

### Extend osixia/keepalived:0.2.0 image
### Extend osixia/keepalived:0.2.1 image

If you need to add your custom TLS certificate, bootstrap config or environment files the easiest way is to extends this image.

Dockerfile example:

FROM osixia/osixia/keepalived:0.2.0
FROM osixia/osixia/keepalived:0.2.1
MAINTAINER Your Name <[email protected]>

ADD keepalived.conf /container/service/keepalived/assets/keepalived.conf
Expand All @@ -147,7 +163,7 @@ Clone this project :
Adapt Makefile, set your image NAME and VERSION, for example :

NAME = osixia/keepalived
VERSION = 0.2.0
VERSION = 0.2.1

becomes :
NAME = billy-the-king/keepalived
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16 changes: 8 additions & 8 deletions image/Dockerfile
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# Use osixia/light-baseimage
# sources: https://github.com/osixia/docker-light-baseimage
FROM osixia/light-baseimage:0.2.1
FROM osixia/light-baseimage:0.2.2
MAINTAINER Bertrand Gouny <[email protected]>

# Keepalived version
Expand All @@ -23,18 +23,18 @@ RUN apt-get -y update \
&& ./configure --with-kernel-dir=/lib/modules/$(uname -r)/build \
&& make && make install \
&& cd - && mkdir -p /etc/keepalived \
&& apt-get remove -y --purge --auto-remove curl make gcc pkg-config libssl-dev
&& apt-get remove -y --purge --auto-remove curl make gcc pkg-config libssl-dev \
&& rm -f keepalived.tar.gz \
&& rm -rf /container/keepalived-sources \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

# Add service directory to /container/service
ADD service /container/service

# Use baseimage install-service script and clean all
# Use baseimage install-service script
# https://github.com/osixia/docker-light-baseimage/blob/stable/image/tool/install-service
RUN /container/tool/install-service \
&& rm -f keepalived.tar.gz \
&& rm -rf /container/keepalived-sources \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
RUN /container/tool/install-service

# Add default env variables
ADD environment /container/environment/99-default

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