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BertrandGounyBertrandGouny
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Merge branch 'release-0.1.0' into stable
2 parents 186274b + 42835ea commit 8a92be4

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‎CHANGELOG.md‎

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# Changelog
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## 0.1.0
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- Initial release

‎Makefile‎

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NAME = osixia/keepalived
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VERSION = 0.1.0
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.PHONY: all build test tag_latest release
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all: build
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build:
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docker build -t $(NAME):$(VERSION) --rm image
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test:
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env NAME=$(NAME) VERSION=$(VERSION) bats test/test.bats
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tag_latest:
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docker tag -f $(NAME):$(VERSION) $(NAME):latest
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release: build test tag_latest
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@if ! docker images $(NAME) | awk '{ print $$2 }' | grep -q -F $(VERSION); then echo "$(NAME) version $(VERSION) is not yet built. Please run 'make build'"; false; fi
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docker push $(NAME)
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@echo "*** Don't forget to run 'twgit release/hotfix finish' :)"

‎README.md‎

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# docker-keepalived
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A docker image to run Keepalived
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# osixia/keepalived
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A docker image to run Keepalived.
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> [keepalived.org](http://keepalived.org/)
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## Quick start
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This image need to be run with : --privileged --net=host
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docker run --privileged --net=host -d osixia/keepalived

‎image/Dockerfile‎

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FROM osixia/baseimage:0.10.4
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MAINTAINER Bertrand Gouny <[email protected]>
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# Keepalived version
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ENV KEEPALIVED_VERSION 1.2.17
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# Use baseimage-docker's init system.
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CMD ["/sbin/my_init"]
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# Install Keepalived
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RUN apt-get -y update \
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&& LC_ALL=C DEBIAN_FRONTEND=noninteractive apt-get install -y \
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make gcc libssl-dev \
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&& curl -o keepalived.tar.gz -SL http://keepalived.org/software/keepalived-${KEEPALIVED_VERSION}.tar.gz \
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&& mkdir -p /osixia/keepalived-sources \
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&& tar -xzf keepalived.tar.gz --strip 1 -C /osixia/keepalived-sources \
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&& cd osixia/keepalived-sources \
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&& ./configure --with-kernel-dir=/lib/modules/$(uname -r)/build \
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&& make && make install \
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&& cd - && mkdir -p /etc/keepalived \
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&& apt-get remove -y --purge --auto-remove make gcc libssl-dev
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# Add Keepalived assets
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ADD service/keepalived/assets /osixia/keepalived
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# Clean all
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RUN rm keepalived.tar.gz \
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&& apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
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# Add default env variables
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ADD env.yml /etc/env.yml
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# Add Keepalived container start config & daemon
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ADD service/keepalived/container-start.sh /etc/my_init.d/keepalived
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ADD service/keepalived/daemon.sh /etc/service/keepalived/run

‎image/env.yml‎

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KEEPALIVED_INTERFACE: p4p1
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KEEPALIVED_PASSWORD: d0cker
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# for electing MASTER, highest priority wins.
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# to be MASTER, make 50 more than other machines
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KEEPALIVED_PRIORITY: 150
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KEEPALIVED_UNICAST_PEERS:
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- 192.168.1.10
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KEEPALIVED_VIRTUAL_IPS:
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- 192.168.1.231

‎image/service/keepalived/assets/README.md‎

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Add your custom keepalived.conf file here or mount one at docker run to /etc/keepalived/keepalived.conf

‎image/service/keepalived/assets/keepalived.conf‎

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vrrp_instance vip-1 {
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interface {{ keepalived_interface }}
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track_interface {
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{{ keepalived_interface }}
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}
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state MASTER
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virtual_router_id 51
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priority {{ keepalived_priority }}
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nopreempt
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unicast_peer {
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{{ keepalived_unicast_peers }}
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}
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virtual_ipaddress {
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{{ keepalived_virtual_ips }}
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}
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authentication {
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auth_type PASS
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auth_pass {{ keepalived_password }}
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}
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}

‎image/service/keepalived/container-start.sh‎

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#!/bin/bash -e
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FIRST_START_DONE="/etc/docker-keepalived-first-start-done"
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# container first start
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if [ ! -e "$FIRST_START_DONE" ]; then
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# config folder is empty use bootstrap config if available
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if [ ! -e /etc/keepalived/keepalived.conf ]; then
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echo "No keepalived.conf provided using image default one"
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if [ ! -e /osixia/keepalived/keepalived.conf ]; then
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echo "Error: No default keepalived.conf found in /osixia/keepalived/keepalived.conf"
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exit 1
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else
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ln -s /osixia/keepalived/keepalived.conf /etc/keepalived/keepalived.conf
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#
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# bootstrap config
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#
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sed -i "s|{{ keepalived_interface }}|$KEEPALIVED_INTERFACE|g" /etc/keepalived/keepalived.conf
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sed -i "s|{{ keepalived_priority }}|$KEEPALIVED_PRIORITY|g" /etc/keepalived/keepalived.conf
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sed -i "s|{{ keepalived_password }}|$KEEPALIVED_PASSWORD|g" /etc/keepalived/keepalived.conf
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# unicast peers
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KEEPALIVED_UNICAST_PEERS=($KEEPALIVED_UNICAST_PEERS)
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for peer in "${KEEPALIVED_UNICAST_PEERS[@]}"
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do
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# it's just a peer
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# stored in a variable
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if [ -n "${!peer}" ]; then
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sed -i "s|{{ keepalived_unicast_peers }}|${!peer}\n {{ keepalived_unicast_peers }}|g" /etc/keepalived/keepalived.conf
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# directly
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else
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sed -i "s|{{ keepalived_unicast_peers }}|${peer}\n {{ keepalived_unicast_peers }}|g" /etc/keepalived/keepalived.conf
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fi
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done
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sed -i "/{{ keepalived_unicast_peers }}/d" /etc/keepalived/keepalived.conf
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# virtual ips
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KEEPALIVED_VIRTUAL_IPS=($KEEPALIVED_VIRTUAL_IPS)
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for vip in "${KEEPALIVED_VIRTUAL_IPS[@]}"
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do
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# it's just a peer
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# stored in a variable
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if [ -n "${!vip}" ]; then
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sed -i "s|{{ keepalived_virtual_ips }}|${!vip}\n {{ keepalived_virtual_ips }}|g" /etc/keepalived/keepalived.conf
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# directly
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else
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sed -i "s|{{ keepalived_virtual_ips }}|${vip}\n {{ keepalived_virtual_ips }}|g" /etc/keepalived/keepalived.conf
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fi
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done
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sed -i "/{{ keepalived_virtual_ips }}/d" /etc/keepalived/keepalived.conf
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fi
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fi
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touch $FIRST_START_DONE
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fi
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exit 0

‎image/service/keepalived/daemon.sh‎

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#!/bin/bash -e
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exec /usr/local/sbin/keepalived -f /etc/keepalived/keepalived.conf --dont-fork --log-console -D -d

‎test/test.bats‎

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#!/usr/bin/env bats
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load test_helper
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@test "image build" {
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run build_image
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[ "$status" -eq 0 ]
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}

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