build/rails-package-scripts/step2.sh

   1 #!/bin/sh
   2 # Copyright (C) The Arvados Authors. All rights reserved.
   3 #
   4 # SPDX-License-Identifier: AGPL-3.0
   5
   6 # This code runs after package variable definitions, before the actual
   7 # pre/post package work, to set some variable and function defaults.
   8
   9 if [ -z "$INSTALL_PATH" ]; then
  10     cat >&2 <<EOF
  11
  12 PACKAGE BUILD ERROR: $0 is missing package metadata.
  13
  14 This package is buggy.  Please mail <support@curoverse.com> to let
  15 us know the name and version number of the package you tried to
  16 install, and we'll get it fixed.
  17
  18 EOF
  19     exit 3
  20 fi
  21
  22 RELEASE_PATH=$INSTALL_PATH/current
  23 RELEASE_CONFIG_PATH=$RELEASE_PATH/config
  24 SHARED_PATH=$INSTALL_PATH/shared
  25
  26 RAILSPKG_SUPPORTS_CONFIG_CHECK=${RAILSPKG_SUPPORTS_CONFIG_CHECK:-1}
  27 if ! type setup_extra_conffiles >/dev/null 2>&1; then
  28     setup_extra_conffiles() { return; }
  29 fi
  30 if ! type setup_before_nginx_restart >/dev/null 2>&1; then
  31     setup_before_nginx_restart() { return; }
  32 fi
  33
  34 if [ -e /run/systemd/system ]; then
  35     USING_SYSTEMD=1
  36 else
  37     USING_SYSTEMD=0
  38 fi
  39
  40 if which service >/dev/null 2>&1; then
  41     USING_SERVICE=1
  42 else
  43     USING_SERVICE=0
  44 fi
  45
  46 guess_service_manager() {
  47     if [ 1 = "$USING_SYSTEMD" ]; then
  48         echo systemd
  49     elif [ 1 = "$USING_SERVICE" ]; then
  50         echo service
  51     else
  52         return 1
  53     fi
  54 }
  55
  56 list_services_systemd() {
  57     test 1 = "$USING_SYSTEMD" || return
  58     # Print only service names, without the `.service` suffix.
  59     systemctl list-unit-files '*.service' \
  60         | awk '($1 ~ /\.service/){print substr($1, 1, length($1) - 8)}'
  61 }
  62
  63 list_services_service() {
  64     test 1 = "$USING_SERVICE" || return
  65     # Output is completely different across Debian and Red Hat.
  66     # We can't really parse it.
  67     service --status-all 2>/dev/null
  68 }
  69
  70 service_command() {
  71     local service_manager="$1"; shift
  72     local command="$1"; shift
  73     local service="$1"; shift
  74     case "$service_manager" in
  75         systemd) systemctl "$command" "$service" ;;
  76         service) service "$service" "$command" ;;
  77     esac
  78 }
  79
  80 if ! guess_service_manager >/dev/null; then
  81     echo "WARNING: Unsupported init system. Can't manage web service." >&2
  82 fi