/usr/share/tripleo-image-elements/os-svc-install/bin/os-svc-daemon is in python-tripleo-image-elements 0.7.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 | #!/bin/bash
set -eu
DEFAULT_POSTSTART="exec sleep 1"
usage() {
echo "Usage: os-svc-daemon [ -ph ] [ -s POSTSTART ] [ -e ENV ] -n SERVICENAME -u RUNAS [ -c RUNCMD -- [arg [arg...]]]"
echo ""
echo "SERVICENAME, RUNAS, RUNCMD, and POSTSTART can be set via the"
echo "environment as well. Command line arguments will override"
echo "environment variables."
echo ""
echo " -h Show help and exit"
echo " -p Print the job file instead of writing to disk"
echo " -d [NAME] Specify the name of the runtime directory, which will be"
echo " /var/run/[NAME]"
echo " -s POSTSTART post_start will be added to the upstart job. Ignored with systemd."
echo " default: $DEFAULT_POSTSTART"
echo " -e ENV Environment name=value entries to set in the service/job"
echo " -n SERVICENAME Name of job/service file."
echo " -i INSTALLDIR Optional: virtualenv installation directory. Defaults to: /opt/stack/venvs/<SERVICENAME>"
echo " -u RUNAS User to run main executable as."
echo " -c RUNCMD Command to execute. Must stay in foreground."
echo " arg... Arguments will be passed to COMMAND"
echo ""
}
# Can be set in environment now
SERVICENAME=${SERVICENAME:-""}
INSTALLDIR=
RUNAS=${RUNAS:-""}
RUNCMD=${RUNCMD:-""}
ENV=${ENV:-""}
CREATE_DIR_NAME=${CREATE_DIR_NAME:-""}
# The default helps avoid race with daemon listening. http://pad.lv/1179766
POSTSTART=${POSTSTART:-$DEFAULT_POSTSTART}
print_only() {
cat
}
print_to_file() {
cat > $1
}
append_to_file() {
cat >> $1
}
OUTPUT=print_to_file
APPEND=append_to_file
nshift=0
while getopts "phd:s:n:i:u:c:e:" opt; do
case "$opt" in
n) SERVICENAME=$OPTARG;;
i) INSTALLDIR=$OPTARG;;
u) RUNAS=$OPTARG;;
c) RUNCMD=$OPTARG;;
s) POSTSTART=$OPTARG;;
e) ENV=$OPTARG;;
p) OUTPUT=print_only; APPEND=print_only;;
d) CREATE_DIR_NAME=$OPTARG;;
h) usage; exit 0;;
\?) usage; exit 1;;
:) usage; exit 1;;
esac
done
shift $(($OPTIND-1))
if [ -z "$SERVICENAME" ] || [ -z "$RUNAS" ] ; then
if [ $# -lt 3 ] ; then
usage
exit 1
fi
fi
# Compatibility with old style passing w/o switches
[ -n "$SERVICENAME" ] || { SERVICENAME=$1 ; shift; }
[ -n "$RUNAS" ] || { RUNAS=$1 ; shift; }
if [ -z "$RUNCMD" ]; then
CHECK=${1:-""}
[ -n "$CHECK" ] && { RUNCMD=$1 ; shift; }
fi
# if INSTALLDIR isn't set use /opt/stack/venvs/RUNAS
# NOTE: this was our default before adding the -i option
if [ -z "$INSTALLDIR" ]; then
INSTALLDIR="/opt/stack/venvs/$RUNAS"
fi
function install_upstart {
local name=$1
local install_dir=$2
local user=$3
local dirname=${4:-$user}
local cmd=$5
shift; shift; shift; shift; shift
local args=$*
local env_entries=''
if [ -n "$ENV" ]; then
local env_pad=" $ENV"
env_entries=${env_pad// /
env }
fi
local target_file="/etc/init/$name.conf"
$OUTPUT $target_file <<EOF
start on runlevel [2345]
stop on runlevel [016]
$env_entries
env OS_SVC_ENABLE_CONTROL=1
export OS_SVC_ENABLE_CONTROL
pre-start script
mkdir -p /var/run/$dirname
chown -R $user:$user /var/run/$dirname
end script
EOF
if [ -n "$cmd" ]; then
$APPEND $target_file <<EOF
respawn
# the default post-start of 1 second sleep delays respawning enough to
# not hit the default of 10 times in 5 seconds. Make it 2 times in 5s.
respawn limit 2 5
exec start-stop-daemon --start -c $user --exec $install_dir/bin/$cmd -- $args
post-start $POSTSTART
EOF
fi
}
function install_systemd {
local name=$1
local install_dir=$2
local user=$3
local cmd=$4
shift; shift; shift; shift;
local args=$*
local env_entries=''
if [ -n "$ENV" ]; then
local env_pad=" $ENV"
env_entries=${env_pad// /
Environment=}
fi
$OUTPUT /usr/lib/systemd/system/$name.service <<EOF
[Unit]
Description=$name Service
After=os-refresh-config.service
Requires=$name-create-dir.service
[Service]
ExecStart=$install_dir/bin/$cmd $args
User=$user
$env_entries
[Install]
WantedBy=multi-user.target
Alias=$name.service
EOF
}
function install_create_dir_systemd {
local name=$(map-services $1)
local user=$2
local dirname=${3:-$user}
$OUTPUT /usr/lib/systemd/system/$name-create-dir.service <<EOF
[Unit]
Description=Create /var/run/$dirname
[Service]
ExecStartPre=/bin/mkdir -p /var/run/$dirname
ExecStart=/bin/chown -R $user:$user /var/run/$dirname
[Install]
RequiredBy=$name.service
EOF
}
# TODO: SysV init fallback support
DIB_INIT_SYSTEM=$(dib-init-system)
if [ "$DIB_INIT_SYSTEM" == "upstart" ]; then
install_upstart $SERVICENAME $INSTALLDIR $RUNAS "$CREATE_DIR_NAME" "$RUNCMD" $*
elif [ "$DIB_INIT_SYSTEM" == "systemd" ]; then
if [ "$POSTSTART" != "$DEFAULT_POSTSTART" ] ; then
echo "WARNING: post start is ignored with systemd." >&2
fi
if [ -n "$RUNCMD" ]; then
install_systemd $SERVICENAME $INSTALLDIR $RUNAS $RUNCMD $*
fi
install_create_dir_systemd $SERVICENAME $RUNAS $CREATE_DIR_NAME
fi
|