diff --git a/CHANGELOG.md b/CHANGELOG.md index 471a50f..e24bc19 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,5 +1,10 @@ # Changelog +## 1.3.6 + - Fix startup.sh and finish.sh ip address removal + - Use linux alpine + - Add keepalived_script script user + ## 1.3.5 - Keepalived version 1.3.5 diff --git a/Makefile b/Makefile index 96f7da6..64cbd3e 100644 --- a/Makefile +++ b/Makefile @@ -1,5 +1,5 @@ NAME = osixia/keepalived -VERSION = 1.3.5 +VERSION = 1.3.5-1-1 .PHONY: all build build-nocache test tag_latest release diff --git a/README.md b/README.md index 6fe1e00..e16b4e1 100644 --- a/README.md +++ b/README.md @@ -6,7 +6,7 @@ [hub]: https://hub.docker.com/r/osixia/keepalived/ -Latest release: 1.3.5 - Keepalived 1.3.5 - [Changelog](CHANGELOG.md) | [Docker Hub](https://hub.docker.com/r/osixia/keepalived/)  +Latest release: 1.3.5-1 - Keepalived 1.3.5 - [Changelog](CHANGELOG.md) | [Docker Hub](https://hub.docker.com/r/osixia/keepalived/)  **A docker image to run Keepalived.** > [keepalived.org](http://keepalived.org/) @@ -22,7 +22,7 @@ Latest release: 1.3.5 - Keepalived 1.3.5 - [Changelog](CHANGELOG.md) | [Docker H - [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:1.3.5 image](#extend-osixiakeepalived135-image) + - [Extend osixia/keepalived:1.3.5-1 image](#extend-osixiakeepalived135-1-image) - [Make your own keepalived image](#make-your-own-keepalived-image) - [Tests](#tests) - [Under the hood: osixia/light-baseimage](#under-the-hood-osixialight-baseimage) @@ -32,7 +32,7 @@ Latest release: 1.3.5 - Keepalived 1.3.5 - [Changelog](CHANGELOG.md) | [Docker H 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:1.3.5 + docker run --cap-add=NET_ADMIN --net=host -d osixia/keepalived:1.3.5-1 ## Beginner Guide @@ -42,7 +42,7 @@ 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:1.3.5 + docker run --volume /data/my-keepalived.conf:/container/service/keepalived/assets/keepalived.conf --detach osixia/keepalived:1.3.5-1 - Add your config file by extending or cloning this image, please refer to the [Advanced User Guide](#advanced-user-guide) @@ -52,7 +52,7 @@ You may have some problems with mounted files on some systems. The startup scrip To fix that run the container with `--copy-service` argument : - docker run [your options] osixia/keepalived:1.3.5 --copy-service + docker run [your options] osixia/keepalived:1.3.5-1 --copy-service ### Debug @@ -61,11 +61,11 @@ Available levels are: `none`, `error`, `warning`, `info`, `debug` and `trace`. Example command to run the container in `debug` mode: - docker run --detach osixia/keepalived:1.3.5 --loglevel debug + docker run --detach osixia/keepalived:1.3.5-1 --loglevel debug See all command line options: - docker run osixia/keepalived:1.3.5 --help + docker run osixia/keepalived:1.3.5-1 --help ## Environment Variables @@ -85,7 +85,7 @@ 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:1.3.5 + docker run --env KEEPALIVED_UNICAST_PEERS="#PYTHON2BASH:['192.168.1.10', '192.168.1.11']" --detach osixia/keepalived:1.3.5-1 To convert yaml to python online : http://yaml-online-parser.appspot.com/ @@ -107,7 +107,7 @@ See how to [set your own environment variables](#set-your-own-environment-variab 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:1.3.5 + --env KEEPALIVED_PRIORITY="100" --detach osixia/keepalived:1.3.5-1 #### Link environment file @@ -115,7 +115,7 @@ Environment variables can be set by adding the --env argument in the command lin 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:1.3.5 + --detach osixia/keepalived:1.3.5-1 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). @@ -125,13 +125,13 @@ This is the best solution if you have a private registry. Please refer to the [A ## Advanced User Guide -### Extend osixia/keepalived:1.3.5 image +### Extend osixia/keepalived:1.3.5-1 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/keepalived:1.3.5 + FROM osixia/keepalived:1.3.5-1 MAINTAINER Your Name ADD keepalived.conf /container/service/keepalived/assets/keepalived.conf diff --git a/image/Dockerfile b/image/Dockerfile index f791c80..7a69b86 100644 --- a/image/Dockerfile +++ b/image/Dockerfile @@ -1,25 +1,29 @@ # Use osixia/light-baseimage # sources: https://github.com/osixia/docker-light-baseimage -FROM osixia/light-baseimage:0.2.6 +FROM osixia/alpine-light-baseimage:0.1.2 MAINTAINER Bertrand Gouny # Keepalived version ENV KEEPALIVED_VERSION 1.3.5 +RUN addgroup -S keepalived_script && adduser -D -S -G keepalived_script keepalived_script + # Download, build and install Keepalived -RUN apt-get -y update \ - && LC_ALL=C DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \ +RUN apk --no-cache add \ curl \ gcc \ + ipset \ + ipset-dev \ + iptables \ iptables-dev \ - libipset-dev \ - libnl-3-dev \ - libnl-genl-3-dev \ - libnl-route-3-dev \ + libnfnetlink \ libnfnetlink-dev \ - libssl-dev \ + libnl3 \ + libnl3-dev \ make \ - pkg-config \ + musl-dev \ + openssl \ + openssl-dev \ && curl -o keepalived.tar.gz -SL http://keepalived.org/software/keepalived-${KEEPALIVED_VERSION}.tar.gz \ && mkdir -p /container/keepalived-sources \ && tar -xzf keepalived.tar.gz --strip 1 -C /container/keepalived-sources \ @@ -27,11 +31,19 @@ RUN apt-get -y update \ && ./configure --disable-dynamic-linking \ && make && make install \ && cd - && mkdir -p /etc/keepalived \ - && apt-get remove -y --purge --auto-remove curl make gcc pkg-config \ && rm -f keepalived.tar.gz \ && rm -rf /container/keepalived-sources \ - && apt-get clean \ - && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* + && apk --no-cache del \ + curl \ + gcc \ + ipset-dev \ + iptables-dev \ + libnfnetlink-dev \ + libnl3-dev \ + make \ + musl-dev \ + openssl-dev + # Add service directory to /container/service ADD service /container/service diff --git a/image/environment/default.startup.yaml b/image/environment/default.startup.yaml deleted file mode 100644 index b3017d3..0000000 --- a/image/environment/default.startup.yaml +++ /dev/null @@ -1,16 +0,0 @@ -KEEPALIVED_INTERFACE: eth0 -KEEPALIVED_PASSWORD: d0cker - -# For electing MASTER, highest priority wins. -# to be MASTER, make 50 more than other machines -KEEPALIVED_PRIORITY: 150 - -KEEPALIVED_UNICAST_PEERS: - - 192.168.1.10 - - 192.168.1.11 - -KEEPALIVED_VIRTUAL_IPS: - - 192.168.1.231 - - 192.168.1.232 - -KEEPALIVED_NOTIFY: /container/service/keepalived/assets/notify.sh diff --git a/image/environment/default.yaml b/image/environment/default.yaml index ebeafb2..9b1df52 100644 --- a/image/environment/default.yaml +++ b/image/environment/default.yaml @@ -1 +1,18 @@ KEEPALIVED_COMMAND_LINE_ARGUMENTS: --log-detail --dump-conf + +KEEPALIVED_INTERFACE: eth0 +KEEPALIVED_PASSWORD: d0cker + +# For electing MASTER, highest priority wins. +# to be MASTER, make 50 more than other machines +KEEPALIVED_PRIORITY: 150 + +KEEPALIVED_UNICAST_PEERS: + - 192.168.1.10 + - 192.168.1.11 + +KEEPALIVED_VIRTUAL_IPS: + - 192.168.1.231 + - 192.168.1.232 + +KEEPALIVED_NOTIFY: /container/service/keepalived/assets/notify.sh diff --git a/image/service/keepalived/assets/keepalived.conf b/image/service/keepalived/assets/keepalived.conf index e553f0f..2b7142a 100644 --- a/image/service/keepalived/assets/keepalived.conf +++ b/image/service/keepalived/assets/keepalived.conf @@ -1,27 +1,31 @@ +global_defs { + default_interface {{ KEEPALIVED_INTERFACE }} +} + vrrp_instance VI_1 { - interface {{ keepalived_interface }} + interface {{ KEEPALIVED_INTERFACE }} track_interface { - {{ keepalived_interface }} + {{ KEEPALIVED_INTERFACE }} } state BACKUP virtual_router_id 51 - priority {{ keepalived_priority }} + priority {{ KEEPALIVED_PRIORITY }} nopreempt unicast_peer { - {{ keepalived_unicast_peers }} + {{ KEEPALIVED_UNICAST_PEERS }} } virtual_ipaddress { - {{ keepalived_virtual_ips }} + {{ KEEPALIVED_VIRTUAL_IPS }} } authentication { auth_type PASS - auth_pass {{ keepalived_password }} + auth_pass {{ KEEPALIVED_PASSWORD }} } - {{ keepalived_notify }} + {{ KEEPALIVED_NOTIFY }} } diff --git a/image/service/keepalived/finish.sh b/image/service/keepalived/finish.sh index 9d1280a..24ecdfd 100755 --- a/image/service/keepalived/finish.sh +++ b/image/service/keepalived/finish.sh @@ -7,7 +7,20 @@ log-helper level eq trace && set -x # try to delete virtual ips from interface for vip in $(complex-bash-env iterate KEEPALIVED_VIRTUAL_IPS) do - ip addr del ${vip}/32 dev ${KEEPALIVED_INTERFACE} || true + IP=$(echo ${!vip} | awk '{print $1}') + IP_INFO=$(ip addr list | grep ${IP}) || continue + IP_V6=$(echo "${IP_INFO}" | grep "inet6") || true + + # ipv4 + if [ -z "${IP_V6}" ]; then + IP_INTERFACE=$(echo "${IP_INFO}" | awk '{print $5}') + # ipv6 + else + echo "skipping address: ${IP} - ipv6 not supported yet :(" + continue + fi + + ip addr del ${IP} dev ${IP_INTERFACE} || true done exit 0 diff --git a/image/service/keepalived/install.sh b/image/service/keepalived/install.sh new file mode 100755 index 0000000..773d108 --- /dev/null +++ b/image/service/keepalived/install.sh @@ -0,0 +1,5 @@ +#!/bin/bash -e +# this script is run during the image build + +# delete keepalived default config file +rm /usr/local/etc/keepalived/keepalived.conf diff --git a/image/service/keepalived/process.sh b/image/service/keepalived/process.sh index 6810608..4d759d3 100755 --- a/image/service/keepalived/process.sh +++ b/image/service/keepalived/process.sh @@ -4,4 +4,12 @@ # https://github.com/osixia/docker-light-baseimage/blob/stable/image/tool/log-helper log-helper level eq trace && set -x -exec /usr/local/sbin/keepalived -f /etc/keepalived/keepalived.conf --dont-fork --log-console ${KEEPALIVED_COMMAND_LINE_ARGUMENTS} +echo -n "Waiting config file /usr/local/etc/keepalived/keepalived.conf" +while [ ! -e "/usr/local/etc/keepalived/keepalived.conf" ] +do + echo -n "." + sleep 0.1 +done +echo "ok" + +exec /usr/local/sbin/keepalived -f /usr/local/etc/keepalived/keepalived.conf --dont-fork --log-console ${KEEPALIVED_COMMAND_LINE_ARGUMENTS} diff --git a/image/service/keepalived/startup.sh b/image/service/keepalived/startup.sh index 387f969..4fae6e3 100755 --- a/image/service/keepalived/startup.sh +++ b/image/service/keepalived/startup.sh @@ -11,30 +11,31 @@ if [ ! -e "$FIRST_START_DONE" ]; then # # bootstrap config # - sed -i --follow-symlinks "s|{{ keepalived_interface }}|$KEEPALIVED_INTERFACE|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf - sed -i --follow-symlinks "s|{{ keepalived_priority }}|$KEEPALIVED_PRIORITY|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf - sed -i --follow-symlinks "s|{{ keepalived_password }}|$KEEPALIVED_PASSWORD|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf + sed -i "s|{{ KEEPALIVED_INTERFACE }}|$KEEPALIVED_INTERFACE|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf + sed -i "s|{{ KEEPALIVED_PRIORITY }}|$KEEPALIVED_PRIORITY|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf + sed -i "s|{{ KEEPALIVED_PASSWORD }}|$KEEPALIVED_PASSWORD|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf if [ -n "$KEEPALIVED_NOTIFY" ]; then - sed -i --follow-symlinks "s|{{ keepalived_notify }}|notify \"$KEEPALIVED_NOTIFY\"|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf + sed -i "s|{{ KEEPALIVED_NOTIFY }}|notify \"$KEEPALIVED_NOTIFY\"|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf + chown keepalived_script:keepalived_script $KEEPALIVED_NOTIFY chmod +x $KEEPALIVED_NOTIFY else - sed -i --follow-symlinks "/{{ keepalived_notify }}/d" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf + sed -i "/{{ KEEPALIVED_NOTIFY }}/d" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf fi # unicast peers for peer in $(complex-bash-env iterate KEEPALIVED_UNICAST_PEERS) do - sed -i --follow-symlinks "s|{{ keepalived_unicast_peers }}|${!peer}\n {{ keepalived_unicast_peers }}|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf + sed -i "s|{{ KEEPALIVED_UNICAST_PEERS }}|${!peer}\n {{ KEEPALIVED_UNICAST_PEERS }}|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf done - sed -i --follow-symlinks "/{{ keepalived_unicast_peers }}/d" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf + sed -i "/{{ KEEPALIVED_UNICAST_PEERS }}/d" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf # virtual ips for vip in $(complex-bash-env iterate KEEPALIVED_VIRTUAL_IPS) do - sed -i --follow-symlinks "s|{{ keepalived_virtual_ips }}|${!vip}\n {{ keepalived_virtual_ips }}|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf + sed -i "s|{{ KEEPALIVED_VIRTUAL_IPS }}|${!vip}\n {{ KEEPALIVED_VIRTUAL_IPS }}|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf done - sed -i --follow-symlinks "/{{ keepalived_virtual_ips }}/d" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf + sed -i "/{{ KEEPALIVED_VIRTUAL_IPS }}/d" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf touch $FIRST_START_DONE fi @@ -42,11 +43,24 @@ fi # try to delete virtual ips from interface for vip in $(complex-bash-env iterate KEEPALIVED_VIRTUAL_IPS) do - ip addr del ${vip}/32 dev ${KEEPALIVED_INTERFACE} || true + IP=$(echo ${!vip} | awk '{print $1}') + IP_INFO=$(ip addr list | grep ${IP}) || continue + IP_V6=$(echo "${IP_INFO}" | grep "inet6") || true + + # ipv4 + if [ -z "${IP_V6}" ]; then + IP_INTERFACE=$(echo "${IP_INFO}" | awk '{print $5}') + # ipv6 + else + echo "skipping address: ${IP} - ipv6 not supported yet :(" + continue + fi + + ip addr del ${IP} dev ${IP_INTERFACE} || true done -if [ ! -e "/etc/backup-manager.conf" ]; then - ln -sf ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf /etc/keepalived/keepalived.conf +if [ ! -e "/usr/local/etc/keepalived/keepalived.conf" ]; then + ln -sf ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf /usr/local/etc/keepalived/keepalived.conf fi exit 0