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Created Oct 17, 2018
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HAProxy container for loadbalancing between Puppet masters/compilers
#! /bin/bash
# Master will cat public and private key into this file
while [[ ! -f "$cert" ]]; do
sleep 1
exec haproxy -f /usr/local/etc/haproxy/haproxy.cfg
FROM haproxy:latest
# HAProxy management port
# Puppetserver
COPY haproxy.cfg /usr/local/etc/haproxy/haproxy.cfg
stats socket ipv4@*:8765 level admin
tune.ssl.default-dh-param 2048
log /var/run/rsyslog/dev/log local0
log /var/run/rsyslog/dev/log local1
mode http
option httplog
timeout connect 5000
timeout check 5000
timeout client 30000
timeout server 30000
listen stats # Define a listen section called "stats"
bind *:9000 # Listen on localhost:9000
stats enable # Enable stats page
stats hide-version # Hide HAProxy version
stats realm Haproxy\ Statistics # Title text for popup window
stats uri / # Stats URI
# frontend with SSL termination
# see
frontend puppet
bind *:8140 ssl ca-file /etc/ssl/certs/ca.pem crt /etc/ssl/proxy_cert.pem verify optional crl-file /etc/ssl/crl.pem
acl is_ca_uri path_beg "/puppet-ca/"
http-request set-header X-Client-Verify-Real %[ssl_c_verify]
http-request set-header X-Client-Verify NONE if !{ hdr_val(X-Client-Verify-Real) eq 0 }
http-request set-header X-Client-Verify SUCCESS if { hdr_val(X-Client-Verify-Real) eq 0 }
http-request set-header X-Client-DN CN=%{+Q}[ssl_c_s_dn(cn)]
http-request set-header X-Client-Cert "-----BEGIN CERTIFICATE-----%%0A%[ssl_c_der,base64]%%0A-----END CERTIFICATE----- #" if { ssl_c_used }
use_backend ca if is_ca_uri
default_backend puppets
log global
backend ca
server master "master:8140" check port 8140 inter 5s
backend puppets
balance roundrobin
server master master:8140 check port 8140 inter 5s
# Create slots for compilers, but point them at a dummy and
# disable them
server-template compiler 1-20 master:8140 check port 8140 inter 5s disabled
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