Failing to start with systemd and unexplained issues

@Gorf wrote:

Greetings. I was keen on some specific functionality of haproxy so I built 1.7.0 on my CentOS 7 server. The build when fine and I didn't really have any issues. However for the life of me I can not get it to be controlled with systemd. Here is what I have. This is the binary that I ended up with:

Copyright 2000-2016 Willy Tarreau willy@haproxy.org

Build options :
TARGET = linux2628
CPU = generic
CC = gcc
CFLAGS = -O2 -g -fno-strict-aliasing -Wdeclaration-after-statement
OPTIONS = USE_ZLIB=1 USE_OPENSSL=1 USE_PCRE=1

Default settings :
maxconn = 2000, bufsize = 16384, maxrewrite = 1024, maxpollevents = 200

Encrypted password support via crypt(3): yes
Built with zlib version : 1.2.7
Running on zlib version : 1.2.7
Compression algorithms supported : identity("identity"), deflate("deflate"), raw-deflate("deflate"), gzip("gzip")
Built with OpenSSL version : OpenSSL 1.0.1e-fips 11 Feb 2013
Running on OpenSSL version : OpenSSL 1.0.1e-fips 11 Feb 2013
OpenSSL library supports TLS extensions : yes
OpenSSL library supports SNI : yes
OpenSSL library supports prefer-server-ciphers : yes
Built with PCRE version : 8.32 2012-11-30
Running on PCRE version : 8.32 2012-11-30
PCRE library supports JIT : no (USE_PCRE_JIT not set)
Built without Lua support
Built with transparent proxy support using: IP_TRANSPARENT IPV6_TRANSPARENT IP_FREEBIND

Available polling systems :
epoll : pref=300, test result OK
poll : pref=200, test result OK
select : pref=150, test result OK
Total: 3 (3 usable), will use epoll.

Available filters :
[COMP] compression
[TRACE] trace
[SPOE] spoe

and here is the startup issue that I get from systemd:

[root@haproxy haproxy-1.7.0]# systemctl -l status haproxy.service
● haproxy.service - SYSV: HA-Proxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments.
   Loaded: loaded (/etc/rc.d/init.d/haproxy)
   Active: failed (Result: exit-code) since Sat 2016-12-10 10:35:56 PST; 7min ago
 Docs: man:systemd-sysv-generator(8)
  Process: 19985 ExecStart=/etc/rc.d/init.d/haproxy start (code=exited, status=1/FAILURE)

Dec 10 10:35:56 haproxy.home.whootis.com systemd[1]: Starting SYSV: HA-Proxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments....
Dec 10 10:35:56 haproxy.home.whootis.com haproxy[19985]: /etc/rc.d/init.d/haproxy: line 26: [: =: unary operator expected
Dec 10 10:35:56 haproxy.home.whootis.com haproxy[19985]: /etc/rc.d/init.d/haproxy: line 98: /usr/sbin/haproxy: No such file or directory
Dec 10 10:35:56 haproxy.home.whootis.com haproxy[19985]: Errors found in configuration file, check it with 'haproxy check'.
Dec 10 10:35:56 haproxy.home.whootis.com systemd[1]: haproxy.service: control process exited, code=exited status=1
Dec 10 10:35:56 haproxy.home.whootis.com systemd[1]: Failed to start SYSV: HA-Proxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments..
Dec 10 10:35:56 haproxy.home.whootis.com systemd[1]: Unit haproxy.service entered failed state.
Dec 10 10:35:56 haproxy.home.whootis.com systemd[1]: haproxy.service failed.

The file in init.d doesn't appear to be formatted incorrectly as far as I can tell, but here it is anyway:

[root@haproxy haproxy-1.7.0]# cat /etc/init.d/haproxy 
#!/bin/sh
#
# chkconfig: - 85 15
# description: HA-Proxy is a TCP/HTTP reverse proxy which is particularly suited \
#              for high availability environments.
# processname: haproxy
# config: /etc/haproxy/haproxy.cfg
# pidfile: /var/run/haproxy.pid

# Script Author: Simon Matter <simon.matter@invoca.ch>
# Version: 2004060600

# Source function library.
if [ -f /etc/init.d/functions ]; then
  . /etc/init.d/functions
elif [ -f /etc/rc.d/init.d/functions ] ; then
  . /etc/rc.d/init.d/functions
else
  exit 0
fi

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0

# This is our service name
BASENAME=`basename $0`
if [ -L $0 ]; then
  BASENAME=`find $0 -name $BASENAME -printf %l`
  BASENAME=`basename $BASENAME`
fi

BIN=/usr/sbin/$BASENAME

CFG=/etc/$BASENAME/$BASENAME.cfg
[ -f $CFG ] || exit 1

PIDFILE=/var/run/$BASENAME.pid
LOCKFILE=/var/lock/subsys/$BASENAME

RETVAL=0

start() {
  quiet_check
  if [ $? -ne 0 ]; then
echo "Errors found in configuration file, check it with '$BASENAME check'."
return 1
  fi

  echo -n "Starting $BASENAME: "
  daemon $BIN -D -f $CFG -p $PIDFILE
  RETVAL=$?
  echo
  [ $RETVAL -eq 0 ] && touch $LOCKFILE
  return $RETVAL
}

stop() {
  echo -n "Shutting down $BASENAME: "
  killproc $BASENAME -USR1
  RETVAL=$?
  echo
  [ $RETVAL -eq 0 ] && rm -f $LOCKFILE
  [ $RETVAL -eq 0 ] && rm -f $PIDFILE
  return $RETVAL
}

restart() {
  quiet_check
  if [ $? -ne 0 ]; then
echo "Errors found in configuration file, check it with '$BASENAME check'."
return 1
  fi
  stop
  start
}

reload() {
  if ! [ -s $PIDFILE ]; then
return 0
  fi

  quiet_check
  if [ $? -ne 0 ]; then
echo "Errors found in configuration file, check it with '$BASENAME check'."
return 1
  fi
  $BIN -D -f $CFG -p $PIDFILE -sf $(cat $PIDFILE)
}

check() {
  $BIN -c -q -V -f $CFG
}

quiet_check() {
  $BIN -c -q -f $CFG
}

rhstatus() {
  status $BASENAME
}

condrestart() {
  [ -e $LOCKFILE ] && restart || :
}

# See how we were called.
case "$1" in
  start)
start
;;
  stop)
stop
;;
  restart)
restart
;;
  reload)
reload
;;
  condrestart)
condrestart
;;
  status)
rhstatus
;;
  check)
check
;;
  *)
echo $"Usage: $BASENAME {start|stop|restart|reload|condrestart|status|check}"
exit 1
esac
 
exit $?

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