#!/bin/sh unset _NGX_WORKER_PROCESSES _NGX_WORKER_PRIORITY _NGX_WORKER_RLIMIT_NOFILE _NGX_WORKER_CONNECTIONS _NGX_WORKER_AIO_REQUESTS ## here should be SANE defaults (!) _NGX_WORKER_PROCESSES=2 _NGX_WORKER_PRIORITY=0 _NGX_WORKER_RLIMIT_NOFILE=16384 _NGX_WORKER_CONNECTIONS=4096 _NGX_WORKER_AIO_REQUESTS=64 [ -n "${NGX_WORKER_PROCESSES:-}" ] || NGX_WORKER_PROCESSES=${_NGX_WORKER_PROCESSES} case "${NGX_WORKER_PROCESSES}" in ## allow values within [1;999] [1-9] | [1-9][0-9] | [1-9][0-9][0-9] ) ;; [Aa][Uu][Tt][Oo] ) ## adjust NGX_WORKER_PROCESSES=auto log_always "NGX_WORKER_PROCESSES: \"auto\" isn't supported by container yet" log_always "offloading decision to Angie (this could be a problem!)" ;; 0 ) log_always "NGX_WORKER_PROCESSES: \"0\" isn't supported by container yet" log_always "setting NGX_WORKER_PROCESSES=${_NGX_WORKER_PROCESSES}" NGX_WORKER_PROCESSES=${_NGX_WORKER_PROCESSES} ;; * ) log_always "NGX_WORKER_PROCESSES: unrecognized value: ${NGX_WORKER_PROCESSES}" log_always "setting NGX_WORKER_PROCESSES=${_NGX_WORKER_PROCESSES}" NGX_WORKER_PROCESSES=${_NGX_WORKER_PROCESSES} ;; esac export NGX_WORKER_PROCESSES if [ -z "${NGX_WORKER_CPU_AFFINITY:-}" ] ; then unset NGX_WORKER_CPU_AFFINITY else ## offload handling to Angie set -a NGX_WORKER_CPU_AFFINITY=$(normalize_list "${NGX_WORKER_CPU_AFFINITY}") set +a fi [ -n "${NGX_WORKER_CONNECTIONS:-}" ] || NGX_WORKER_CONNECTIONS=${_NGX_WORKER_CONNECTIONS} case "${NGX_WORKER_CONNECTIONS}" in [0-9] | [1-9][0-9] ) log_always "NGX_WORKER_CONNECTIONS: too low: ${NGX_WORKER_CONNECTIONS}" log_always "setting NGX_WORKER_CONNECTIONS=${_NGX_WORKER_CONNECTIONS}" NGX_WORKER_CONNECTIONS=${_NGX_WORKER_CONNECTIONS} ;; ## allow values within [100;9999999] [1-9][0-9][0-9] ) ;; [1-9][0-9][0-9][0-9] ) ;; [1-9][0-9][0-9][0-9][0-9] ) ;; [1-9][0-9][0-9][0-9][0-9][0-9] ) ;; [1-9][0-9][0-9][0-9][0-9][0-9][0-9] ) ;; * ) log_always "NGX_WORKER_CONNECTIONS: unrecognized value: ${NGX_WORKER_CONNECTIONS}" log_always "setting NGX_WORKER_CONNECTIONS=${_NGX_WORKER_CONNECTIONS}" NGX_WORKER_CONNECTIONS=${_NGX_WORKER_CONNECTIONS} ;; esac export NGX_WORKER_CONNECTIONS if [ -z "${NGX_WORKER_PRIORITY:-}" ] ; then unset NGX_WORKER_PRIORITY else case "${NGX_WORKER_PRIORITY}" in -[1-9] | -1[0-9] | -20 ) ;; [0-9] | 1[0-9] | 20 ) ;; -0 ) log_always "NGX_WORKER_PRIORITY: likely an error: '-0'" log_always "adjusting NGX_WORKER_PRIORITY=0" NGX_WORKER_PRIORITY=0 ;; * ) log_always "NGX_WORKER_PRIORITY: unrecognized value: ${NGX_WORKER_PRIORITY}" log_always "setting NGX_WORKER_PRIORITY=${_NGX_WORKER_PRIORITY}" NGX_WORKER_PRIORITY=${_NGX_WORKER_PRIORITY} ;; esac export NGX_WORKER_PRIORITY fi if [ -z "${NGX_WORKER_RLIMIT_NOFILE:-}" ] ; then unset NGX_WORKER_RLIMIT_NOFILE else case "${NGX_WORKER_RLIMIT_NOFILE}" in [0-9] | [1-9][0-9] ) log_always "NGX_WORKER_RLIMIT_NOFILE: too low: ${NGX_WORKER_RLIMIT_NOFILE}" log_always "setting NGX_WORKER_RLIMIT_NOFILE=${_NGX_WORKER_RLIMIT_NOFILE}" NGX_WORKER_RLIMIT_NOFILE=${_NGX_WORKER_RLIMIT_NOFILE} ;; ## allow values within [100;9999999] [1-9][0-9][0-9] ) ;; [1-9][0-9][0-9][0-9] ) ;; [1-9][0-9][0-9][0-9][0-9] ) ;; [1-9][0-9][0-9][0-9][0-9][0-9] ) ;; [1-9][0-9][0-9][0-9][0-9][0-9][0-9] ) ;; * ) log_always "NGX_WORKER_RLIMIT_NOFILE: unrecognized value: ${NGX_WORKER_RLIMIT_NOFILE}" log_always "setting NGX_WORKER_RLIMIT_NOFILE=${_NGX_WORKER_RLIMIT_NOFILE}" NGX_WORKER_RLIMIT_NOFILE=${_NGX_WORKER_RLIMIT_NOFILE} ;; esac export NGX_WORKER_RLIMIT_NOFILE fi if [ -z "${NGX_WORKER_AIO_REQUESTS:-}" ] ; then unset NGX_WORKER_AIO_REQUESTS else case "${NGX_WORKER_AIO_REQUESTS}" in [0-9] ) log_always "NGX_WORKER_AIO_REQUESTS: too low: ${NGX_WORKER_AIO_REQUESTS}" log_always "setting NGX_WORKER_AIO_REQUESTS=${_NGX_WORKER_AIO_REQUESTS}" NGX_WORKER_AIO_REQUESTS=${_NGX_WORKER_AIO_REQUESTS} ;; ## allow values within [10;99999] [1-9][0-9] ) ;; [1-9][0-9][0-9] ) ;; [1-9][0-9][0-9][0-9] ) ;; [1-9][0-9][0-9][0-9][0-9] ) ;; * ) log_always "NGX_WORKER_AIO_REQUESTS: unrecognized value: ${NGX_WORKER_AIO_REQUESTS}" log_always "setting NGX_WORKER_AIO_REQUESTS=${_NGX_WORKER_AIO_REQUESTS}" NGX_WORKER_AIO_REQUESTS=${_NGX_WORKER_AIO_REQUESTS} ;; esac export NGX_WORKER_AIO_REQUESTS fi if [ -n "${NGX_WORKER_RLIMIT_NOFILE:-}" ] ; then nofile_soft=$(ulimit -Sn) nofile_hard=$(ulimit -Hn) if [ "${nofile_hard}" = unlimited ] ; then ## minor hack (if applicable) :) nofile_hard=$((NGX_WORKER_RLIMIT_NOFILE + 1)) fi nofile_ok=0 while : ; do [ ${nofile_hard} -ge ${NGX_WORKER_RLIMIT_NOFILE} ] || break [ ${nofile_soft} -ge ${NGX_WORKER_RLIMIT_NOFILE} ] || break nofile_ok=1 break ; done if [ ${nofile_ok} = 0 ] ; then log_always "adjusting 'nofile' limits" log_always "Limits before:" sed -En '1p;/open files/p' < /proc/$$/limits >&2 if [ ${nofile_hard} -lt ${NGX_WORKER_RLIMIT_NOFILE} ] ; then ulimit -Hn "${NGX_WORKER_RLIMIT_NOFILE}" nofile_hard=$(ulimit -Hn) fi if [ ${nofile_hard} -lt ${NGX_WORKER_RLIMIT_NOFILE} ] ; then log_always "lowering NGX_WORKER_RLIMIT_NOFILE to ${nofile_hard} due to hard limit" NGX_WORKER_RLIMIT_NOFILE=${nofile_hard} fi if [ ${nofile_soft} -lt ${NGX_WORKER_RLIMIT_NOFILE} ] ; then ulimit -Sn "${NGX_WORKER_RLIMIT_NOFILE}" fi log_always "Limits after:" sed -En '1p;/open files/p' < /proc/$$/limits >&2 fi unset nofile_soft nofile_hard nofile_ok export NGX_WORKER_RLIMIT_NOFILE fi if [ -z "${NGX_WORKER_RLIMIT_NOFILE:-}" ] ; then nofile_limit=$(ulimit -Hn) nofile_kind="'ulimit:nofile'" else nofile_limit=${NGX_WORKER_RLIMIT_NOFILE} nofile_kind='NGX_WORKER_RLIMIT_NOFILE' fi if [ ${nofile_limit} -lt ${NGX_WORKER_CONNECTIONS} ] ; then log_always "WARNING: ${nofile_kind} is less than NGX_WORKER_CONNECTIONS (${nofile_limit} < ${NGX_WORKER_CONNECTIONS})" else ratio=$(mawk -v "a=${nofile_limit}" -v "b=${NGX_WORKER_CONNECTIONS}" 'BEGIN{print a/b;exit;}'