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rduplain/haproxy-servers.cfg

Last active June 10, 2022 13:23
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Revisions

  1. rduplain revised this gist Mar 31, 2015. 1 changed file with 2 additions and 0 deletions.
    2 changes: 2 additions & 0 deletions update-haproxy
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    @@ -8,6 +8,8 @@
    # NOTE: Assumes pre-loaded base haproxy.cfg is ready to be appended
    # with indented server lines, with 4-spaces of indentation.
    # File with server lines should not be indented.
    #
    # Uses 'haproxy.cfg' file next to 'update-haproxy' as pre-loaded base.

    # Exit immediately if a command error or non-zero return occurs.
    set -e
  2. rduplain created this gist Mar 31, 2015.
    6 changes: 6 additions & 0 deletions haproxy-servers.cfg
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    # Edit this file then run `update-haproxy haproxy-servers.cfg`.
    # Alternatively, use a shell pipeline to build server list `... | update-haproxy`.
    server demo1 127.0.0.1:8001 check cookie demo1 weight 100
    server demo2 127.0.0.1:8002 check cookie demo2 weight 100
    server demo3 127.0.0.1:8003 check cookie demo3 weight 0
    server demo4 127.0.0.1:8004 check cookie demo3 weight 0
    36 changes: 36 additions & 0 deletions haproxy.cfg
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    global
    log 127.0.0.1 local0 notice
    chroot /var/lib/haproxy
    maxconn 10000
    user haproxy
    group haproxy
    daemon

    defaults
    log global
    mode http
    option httplog
    option dontlognull
    timeout connect 3s
    timeout client 60s
    timeout server 60s
    retries 3
    option redispatch
    errorfile 400 /etc/haproxy/errors/400.http
    errorfile 403 /etc/haproxy/errors/403.http
    errorfile 408 /etc/haproxy/errors/408.http
    errorfile 500 /etc/haproxy/errors/500.http
    errorfile 502 /etc/haproxy/errors/502.http
    errorfile 503 /etc/haproxy/errors/503.http
    errorfile 504 /etc/haproxy/errors/504.http

    listen demo 0.0.0.0:80
    mode http
    stats enable
    stats uri /__demo__?stats
    stats realm Authentication\ Required
    stats auth ops:ov9fifVEMmeDXLFLocGjAhXC
    balance roundrobin
    option httpclose
    option forwardfor
    cookie demo insert
    51 changes: 51 additions & 0 deletions update-haproxy
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    #!/bin/bash
    # Rewrite haproxy configuration and reload service.
    #
    # Provide a file with haproxy config server lines, or stdin:
    #
    # usage: update-haproxy [FILE_WITH_SERVER_LINES]
    #
    # NOTE: Assumes pre-loaded base haproxy.cfg is ready to be appended
    # with indented server lines, with 4-spaces of indentation.
    # File with server lines should not be indented.

    # Exit immediately if a command error or non-zero return occurs.
    set -e

    # The name of this executable.
    PROG="$( basename "${BASH_SOURCE[0]}" )"

    # Directory containing this executable.
    DIR="$( cd -P "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

    # Path to production haproxy.cfg.
    HAPROXY_CFG=${HAPROXY_CFG:-/etc/haproxy/haproxy.cfg}

    # Command to reload haproxy.
    RELOAD_HAPROXY=${RELOAD_HAPROXY:-service haproxy reload}

    # Base configuration for concatenation with given servers.
    BASE_CFG=$DIR/haproxy.cfg

    if [ ! -e $BASE_CFG ]; then
    echo "$PROG: missing $BASE_CFG; where did it go?" >&2
    exit 2
    fi

    SERVER_CFG=$1
    shift

    # Use stdin if no server configuration file is given.
    if [ -z "$SERVER_CFG" ]; then
    SERVER_CFG=-
    fi

    (
    cat $BASE_CFG
    cat $SERVER_CFG |\
    while read -r line; do
    echo " $line"
    done
    ) > $HAPROXY_CFG

    $RELOAD_HAPROXY