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206
image-entry.d/13-core-worker.envsh
Executable file
206
image-entry.d/13-core-worker.envsh
Executable file
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#!/bin/sh
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unset _NGX_WORKER_PROCESSES _NGX_WORKER_PRIORITY _NGX_WORKER_RLIMIT_NOFILE _NGX_WORKER_CONNECTIONS _NGX_WORKER_AIO_REQUESTS
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## here should be SANE defaults (!)
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_NGX_WORKER_PROCESSES=2
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_NGX_WORKER_PRIORITY=0
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_NGX_WORKER_RLIMIT_NOFILE=16384
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_NGX_WORKER_CONNECTIONS=4096
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_NGX_WORKER_AIO_REQUESTS=32
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if [ -z "${NGX_WORKER_PROCESSES:-}" ] ; then
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NGX_WORKER_PROCESSES=${_NGX_WORKER_PROCESSES}
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else
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case "${NGX_WORKER_PROCESSES}" in
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## allow values within [1;999]
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[1-9] | [1-9][0-9] | [1-9][0-9][0-9] ) ;;
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[Aa][Uu][Tt][Oo] )
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## adjust
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log_always "NGX_WORKER_PROCESSES: \"auto\" isn't supported by container yet"
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log_always "offloading decision to Angie (this could be a problem!)"
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NGX_WORKER_PROCESSES=auto
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;;
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0 )
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log_always "NGX_WORKER_PROCESSES: \"0\" isn't supported by container yet"
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log_always "setting NGX_WORKER_PROCESSES=${_NGX_WORKER_PROCESSES}"
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NGX_WORKER_PROCESSES=${_NGX_WORKER_PROCESSES}
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;;
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* )
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log_always "NGX_WORKER_PROCESSES: unrecognized value: ${NGX_WORKER_PROCESSES}"
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log_always "setting NGX_WORKER_PROCESSES=${_NGX_WORKER_PROCESSES}"
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NGX_WORKER_PROCESSES=${_NGX_WORKER_PROCESSES}
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;;
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esac
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fi
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export NGX_WORKER_PROCESSES
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if [ -z "${NGX_WORKER_CPU_AFFINITY:-}" ] ; then
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unset NGX_WORKER_CPU_AFFINITY
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else
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## let Angie handle this
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set -a
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NGX_WORKER_CPU_AFFINITY=$(normalize_list "${NGX_WORKER_CPU_AFFINITY}")
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set +a
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fi
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if [ -z "${NGX_WORKER_CONNECTIONS:-}" ] ; then
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NGX_WORKER_CONNECTIONS=${_NGX_WORKER_CONNECTIONS}
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else
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case "${NGX_WORKER_CONNECTIONS}" in
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[0-9] | [1-9][0-9] )
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log_always "NGX_WORKER_CONNECTIONS: too low: ${NGX_WORKER_CONNECTIONS}"
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log_always "setting NGX_WORKER_CONNECTIONS=${_NGX_WORKER_CONNECTIONS}"
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NGX_WORKER_CONNECTIONS=${_NGX_WORKER_CONNECTIONS}
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;;
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## allow values within [100;9999999]
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[1-9][0-9][0-9] ) ;;
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[1-9][0-9][0-9][0-9] ) ;;
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[1-9][0-9][0-9][0-9][0-9] ) ;;
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[1-9][0-9][0-9][0-9][0-9][0-9] ) ;;
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[1-9][0-9][0-9][0-9][0-9][0-9][0-9] ) ;;
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* )
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log_always "NGX_WORKER_CONNECTIONS: unrecognized value: ${NGX_WORKER_CONNECTIONS}"
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log_always "setting NGX_WORKER_CONNECTIONS=${_NGX_WORKER_CONNECTIONS}"
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NGX_WORKER_CONNECTIONS=${_NGX_WORKER_CONNECTIONS}
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;;
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esac
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fi
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export NGX_WORKER_CONNECTIONS
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if [ -z "${NGX_WORKER_PRIORITY:-}" ] ; then
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unset NGX_WORKER_PRIORITY
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else
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case "${NGX_WORKER_PRIORITY}" in
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-[1-9] | -1[0-9] | -20 ) ;;
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[0-9] | 1[0-9] | 20 ) ;;
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-0 )
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log_always "NGX_WORKER_PRIORITY: likely an error: '-0'"
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log_always "adjusting NGX_WORKER_PRIORITY=0"
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NGX_WORKER_PRIORITY=0
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;;
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* )
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log_always "NGX_WORKER_PRIORITY: unrecognized value: ${NGX_WORKER_PRIORITY}"
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log_always "setting NGX_WORKER_PRIORITY=${_NGX_WORKER_PRIORITY}"
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NGX_WORKER_PRIORITY=${_NGX_WORKER_PRIORITY}
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;;
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esac
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export NGX_WORKER_PRIORITY
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fi
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if [ -z "${NGX_WORKER_RLIMIT_NOFILE:-}" ] ; then
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unset NGX_WORKER_RLIMIT_NOFILE
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else
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case "${NGX_WORKER_RLIMIT_NOFILE}" in
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[0-9] | [1-9][0-9] )
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log_always "NGX_WORKER_RLIMIT_NOFILE: too low: ${NGX_WORKER_RLIMIT_NOFILE}"
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log_always "setting NGX_WORKER_RLIMIT_NOFILE=${_NGX_WORKER_RLIMIT_NOFILE}"
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NGX_WORKER_RLIMIT_NOFILE=${_NGX_WORKER_RLIMIT_NOFILE}
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;;
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## allow values within [100;9999999]
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[1-9][0-9][0-9] ) ;;
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[1-9][0-9][0-9][0-9] ) ;;
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[1-9][0-9][0-9][0-9][0-9] ) ;;
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[1-9][0-9][0-9][0-9][0-9][0-9] ) ;;
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[1-9][0-9][0-9][0-9][0-9][0-9][0-9] ) ;;
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* )
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log_always "NGX_WORKER_RLIMIT_NOFILE: unrecognized value: ${NGX_WORKER_RLIMIT_NOFILE}"
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log_always "setting NGX_WORKER_RLIMIT_NOFILE=${_NGX_WORKER_RLIMIT_NOFILE}"
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NGX_WORKER_RLIMIT_NOFILE=${_NGX_WORKER_RLIMIT_NOFILE}
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;;
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esac
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export NGX_WORKER_RLIMIT_NOFILE
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fi
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if [ -z "${NGX_WORKER_AIO_REQUESTS:-}" ] ; then
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unset NGX_WORKER_AIO_REQUESTS
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else
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case "${NGX_WORKER_AIO_REQUESTS}" in
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[0-9] )
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log_always "NGX_WORKER_AIO_REQUESTS: too low: ${NGX_WORKER_AIO_REQUESTS}"
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log_always "setting NGX_WORKER_AIO_REQUESTS=${_NGX_WORKER_AIO_REQUESTS}"
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NGX_WORKER_AIO_REQUESTS=${_NGX_WORKER_AIO_REQUESTS}
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;;
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## allow values within [10;99999]
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[1-9][0-9] ) ;;
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[1-9][0-9][0-9] ) ;;
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[1-9][0-9][0-9][0-9] ) ;;
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[1-9][0-9][0-9][0-9][0-9] ) ;;
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* )
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log_always "NGX_WORKER_AIO_REQUESTS: unrecognized value: ${NGX_WORKER_AIO_REQUESTS}"
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log_always "setting NGX_WORKER_AIO_REQUESTS=${_NGX_WORKER_AIO_REQUESTS}"
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NGX_WORKER_AIO_REQUESTS=${_NGX_WORKER_AIO_REQUESTS}
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;;
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esac
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export NGX_WORKER_AIO_REQUESTS
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fi
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if [ -n "${NGX_WORKER_RLIMIT_NOFILE:-}" ] ; then
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unset nofile_soft nofile_hard
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nofile_soft=$(ulimit -Sn)
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nofile_hard=$(ulimit -Hn)
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if [ "${nofile_hard}" = unlimited ] ; then
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## minor hack (if applicable) :)
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nofile_hard=$((NGX_WORKER_RLIMIT_NOFILE + 1))
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fi
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unset nofile_ok ; nofile_ok=0
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while : ; do
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[ ${nofile_hard} -ge ${NGX_WORKER_RLIMIT_NOFILE} ] || break
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[ ${nofile_soft} -ge ${NGX_WORKER_RLIMIT_NOFILE} ] || break
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nofile_ok=1
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break ; done
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if [ ${nofile_ok} = 0 ] ; then
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log_always "adjusting 'nofile' limits"
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log_always "Limits before:"
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sed -En '1p;/open files/p' < /proc/$$/limits >&2
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if [ ${nofile_hard} -lt ${NGX_WORKER_RLIMIT_NOFILE} ] ; then
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ulimit -Hn "${NGX_WORKER_RLIMIT_NOFILE}"
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nofile_hard=$(ulimit -Hn)
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fi
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if [ ${nofile_hard} -lt ${NGX_WORKER_RLIMIT_NOFILE} ] ; then
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log_always "lowering NGX_WORKER_RLIMIT_NOFILE to ${nofile_hard} due to hard limit"
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NGX_WORKER_RLIMIT_NOFILE=${nofile_hard}
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fi
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if [ ${nofile_soft} -lt ${NGX_WORKER_RLIMIT_NOFILE} ] ; then
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ulimit -Sn "${NGX_WORKER_RLIMIT_NOFILE}"
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fi
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log_always "Limits after:"
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sed -En '1p;/open files/p' < /proc/$$/limits >&2
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fi
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unset nofile_soft nofile_hard nofile_ok
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export NGX_WORKER_RLIMIT_NOFILE
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fi
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unset nofile_limit nofile_kind
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if [ -z "${NGX_WORKER_RLIMIT_NOFILE:-}" ] ; then
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nofile_limit=$(ulimit -Hn)
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nofile_kind="'ulimit:nofile'"
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else
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nofile_limit=${NGX_WORKER_RLIMIT_NOFILE}
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nofile_kind='NGX_WORKER_RLIMIT_NOFILE'
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fi
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if [ ${nofile_limit} -lt ${NGX_WORKER_CONNECTIONS} ] ; then
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log_always "WARNING: ${nofile_kind} is less than NGX_WORKER_CONNECTIONS (${nofile_limit} < ${NGX_WORKER_CONNECTIONS})"
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log_always "NGX_WORKER_CONNECTIONS is recommended to be at least twice larger than ${nofile_kind}"
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else
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unset ratio
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ratio=$(float_div "${nofile_limit}" "${NGX_WORKER_CONNECTIONS}")
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case "${ratio}" in
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1 | 1.* )
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log_always "WARNING: \"${nofile_kind}/NGX_WORKER_CONNECTIONS\" ratio is too low (=${ratio})"
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log_always "NGX_WORKER_CONNECTIONS is recommended to be at least twice larger than ${nofile_kind}"
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;;
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esac
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unset ratio
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fi
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unset nofile_limit nofile_kind
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unset _NGX_WORKER_PROCESSES _NGX_WORKER_PRIORITY _NGX_WORKER_RLIMIT_NOFILE _NGX_WORKER_CONNECTIONS _NGX_WORKER_AIO_REQUESTS
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