Delete 30-tune-worker-processes.sh

30-tune-worker-processes.sh

@@ -1,188 +0,0 @@
-#!/bin/sh
-# vim:sw=2:ts=2:sts=2:et
-
-set -eu
-
-LC_ALL=C
-ME=$(basename "$0")
-PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
-
-[ "${NGINX_ENTRYPOINT_WORKER_PROCESSES_AUTOTUNE:-}" ] || exit 0
-
-touch /etc/nginx/nginx.conf 2>/dev/null || { echo >&2 "$ME: error: can not modify /etc/nginx/nginx.conf (read-only file system?)"; exit 0; }
-
-ceildiv() {
-  num=$1
-  div=$2
-  echo $(( (num + div - 1) / div ))
-}
-
-get_cpuset() {
-  cpusetroot=$1
-  cpusetfile=$2
-  ncpu=0
-  [ -f "$cpusetroot/$cpusetfile" ] || return 1
-  for token in $( tr ',' ' ' < "$cpusetroot/$cpusetfile" ); do
-    case "$token" in
-      *-*)
-        count=$( seq $(echo "$token" | tr '-' ' ') | wc -l )
-        ncpu=$(( ncpu+count ))
-        ;;
-      *)
-        ncpu=$(( ncpu+1 ))
-        ;;
-    esac
-  done
-  echo "$ncpu"
-}
-
-get_quota() {
-  cpuroot=$1
-  ncpu=0
-  [ -f "$cpuroot/cpu.cfs_quota_us" ] || return 1
-  [ -f "$cpuroot/cpu.cfs_period_us" ] || return 1
-  cfs_quota=$( cat "$cpuroot/cpu.cfs_quota_us" )
-  cfs_period=$( cat "$cpuroot/cpu.cfs_period_us" )
-  [ "$cfs_quota" = "-1" ] && return 1
-  [ "$cfs_period" = "0" ] && return 1
-  ncpu=$( ceildiv "$cfs_quota" "$cfs_period" )
-  [ "$ncpu" -gt 0 ] || return 1
-  echo "$ncpu"
-}
-
-get_quota_v2() {
-  cpuroot=$1
-  ncpu=0
-  [ -f "$cpuroot/cpu.max" ] || return 1
-  cfs_quota=$( cut -d' ' -f 1 < "$cpuroot/cpu.max" )
-  cfs_period=$( cut -d' ' -f 2 < "$cpuroot/cpu.max" )
-  [ "$cfs_quota" = "max" ] && return 1
-  [ "$cfs_period" = "0" ] && return 1
-  ncpu=$( ceildiv "$cfs_quota" "$cfs_period" )
-  [ "$ncpu" -gt 0 ] || return 1
-  echo "$ncpu"
-}
-
-get_cgroup_v1_path() {
-  needle=$1
-  found=
-  foundroot=
-  mountpoint=
-
-  [ -r "/proc/self/mountinfo" ] || return 1
-  [ -r "/proc/self/cgroup" ] || return 1
-
-  while IFS= read -r line; do
-    case "$needle" in
-      "cpuset")
-        case "$line" in
-          *cpuset*)
-            found=$( echo "$line" | cut -d ' ' -f 4,5 )
-            break
-            ;;
-        esac
-        ;;
-      "cpu")
-        case "$line" in
-          *cpuset*)
-            ;;
-          *cpu,cpuacct*|*cpuacct,cpu|*cpuacct*|*cpu*)
-            found=$( echo "$line" | cut -d ' ' -f 4,5 )
-            break
-            ;;
-        esac
-    esac
-  done << __EOF__
-$( grep -F -- '- cgroup ' /proc/self/mountinfo )
-__EOF__
-
-  while IFS= read -r line; do
-    controller=$( echo "$line" | cut -d: -f 2 )
-    case "$needle" in
-      "cpuset")
-        case "$controller" in
-          cpuset)
-            mountpoint=$( echo "$line" | cut -d: -f 3 )
-            break
-            ;;
-        esac
-        ;;
-      "cpu")
-        case "$controller" in
-          cpu,cpuacct|cpuacct,cpu|cpuacct|cpu)
-            mountpoint=$( echo "$line" | cut -d: -f 3 )
-            break
-            ;;
-        esac
-        ;;
-    esac
-done << __EOF__
-$( grep -F -- 'cpu' /proc/self/cgroup )
-__EOF__
-
-  case "${found%% *}" in
-    "/")
-      foundroot="${found##* }$mountpoint"
-      ;;
-    "$mountpoint")
-      foundroot="${found##* }"
-      ;;
-  esac
-  echo "$foundroot"
-}
-
-get_cgroup_v2_path() {
-  found=
-  foundroot=
-  mountpoint=
-
-  [ -r "/proc/self/mountinfo" ] || return 1
-  [ -r "/proc/self/cgroup" ] || return 1
-
-  while IFS= read -r line; do
-    found=$( echo "$line" | cut -d ' ' -f 4,5 )
-  done << __EOF__
-$( grep -F -- '- cgroup2 ' /proc/self/mountinfo )
-__EOF__
-
-  while IFS= read -r line; do
-    mountpoint=$( echo "$line" | cut -d: -f 3 )
-done << __EOF__
-$( grep -F -- '0::' /proc/self/cgroup )
-__EOF__
-
-  case "${found%% *}" in
-    "")
-      return 1
-      ;;
-    "/")
-      foundroot="${found##* }$mountpoint"
-      ;;
-    "$mountpoint" | /../*)
-      foundroot="${found##* }"
-      ;;
-  esac
-  echo "$foundroot"
-}
-
-ncpu_online=$( getconf _NPROCESSORS_ONLN )
-ncpu_cpuset=
-ncpu_quota=
-ncpu_cpuset_v2=
-ncpu_quota_v2=
-
-cpuset=$( get_cgroup_v1_path "cpuset" ) && ncpu_cpuset=$( get_cpuset "$cpuset" "cpuset.effective_cpus" ) || ncpu_cpuset=$ncpu_online
-cpu=$( get_cgroup_v1_path "cpu" ) && ncpu_quota=$( get_quota "$cpu" ) || ncpu_quota=$ncpu_online
-cgroup_v2=$( get_cgroup_v2_path ) && ncpu_cpuset_v2=$( get_cpuset "$cgroup_v2" "cpuset.cpus.effective" ) || ncpu_cpuset_v2=$ncpu_online
-cgroup_v2=$( get_cgroup_v2_path ) && ncpu_quota_v2=$( get_quota_v2 "$cgroup_v2" ) || ncpu_quota_v2=$ncpu_online
-
-ncpu=$( printf "%s\n%s\n%s\n%s\n%s\n" \
-               "$ncpu_online" \
-               "$ncpu_cpuset" \
-               "$ncpu_quota" \
-               "$ncpu_cpuset_v2" \
-               "$ncpu_quota_v2" \
-               | sort -n \
-               | head -n 1 )
-
-sed -i.bak -r 's/^(worker_processes)(.*)$/# Commented out by '"$ME"' on '"$(date)"'\n#\1\2\n\1 '"$ncpu"';/' /etc/nginx/nginx.conf