tools.freebsd

Yohn Y. 2023-09-18 Child:1dff2f4f424b

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tools.freebsd/appdaemon.sh

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awgur@0 1 #!/bin/sh
awgur@0 2 #
awgur@0 3 # $devel.a0fs.net: appdaemon - 0.5 awgur$
awgur@0 4 # $FreeBSD: head/www/uwsgi/files/uwsgi.in 340872 2014-01-24 00:14:07Z mat $
awgur@0 5 #
awgur@0 6 # PROVIDE: appdaemon
awgur@0 7 # REQUIRE: DAEMON
awgur@0 8 # KEYWORD: shutdown
awgur@0 9 #
awgur@0 10 # Add the following lines to /etc/rc.conf to enable appdaemon:
awgur@0 11 #
awgur@0 12 # appdaemon_enable (bool): Set it to "YES" to enable appdaemon
awgur@0 13 # Default is "NO".
awgur@0 14 # appdaemon_piddir (path): Directory with pid files of apps
awgur@0 15 # Default "/var/run/appdaemon"
awgur@0 16 # appdaemon_pidfile (path): Set the path to the supervisor pid file
awgur@0 17 # Default is /var/run/appdaemon/${appName}.pid.
awgur@0 18 # appdaemon_app_pidfile (path): Set the path to the app pid file
awgur@0 19 # Default is /var/run/appdaemon/${appName}.app.pid.
awgur@0 20 # appdaemon_user (str): Set the UID of the process to run with
awgur@0 21 # Default is nobody.
awgur@0 22 # appdaemon_app (path): Application binnary.
awgur@0 23 # Default is ""
awgur@0 24 # appdaemon_chdir (path): Work directory of application
awgur@0 25 # Default is "/tmp"
awgur@0 26 # appdaemon_app_flags (str): Flags needed by binary
awgur@0 27 # Default is ""
awgur@0 28 # appdaemon_self (str): Binary of daemon program
awgur@0 29 # Default is "/usr/sbin/daemon"
awgur@0 30 # appdaemon_syslog_ident (srt): Log all output to syslog with this identity.
awgur@0 31 # Default is ""
awgur@0 32 # appdaemon_flags (str): Flags of daemon(8) command
awgur@0 33 # Default is "-fr"
awgur@0 34 #
awgur@0 35 # If you would like to have multiple instances running, you can
awgur@0 36 # define multiple profiles:
awgur@0 37 #
awgur@0 38 # appdaemon_profiles (str): Set the list of profiles
awgur@0 39 # Default is "".
awgur@0 40 #
awgur@0 41 # For each profile you can then define different options (except for
awgur@0 42 # appdaemon_enable) using the syntax appdaemon_<profile>_<option>
awgur@0 43
awgur@0 44 . /etc/rc.subr
awgur@0 45
awgur@0 46 name="appdaemon"
awgur@0 47 fsname="appdaemon"
awgur@0 48 rcvar=`set_rcvar`
awgur@0 49 extra_commands="list"
awgur@0 50 list_cmd="my_list"
awgur@0 51
awgur@0 52 load_rc_config $name
awgur@0 53
awgur@0 54 : ${appdaemon_enable:="NO"}
awgur@0 55 : ${appdaemon_profiles:=""}
awgur@0 56 : ${appdaemon_piddir:="/var/run/${fsname}"}
awgur@0 57 : ${appdaemon_pidfile:="${appdaemon_piddir}/master.pid"}
awgur@0 58 : ${appdaemon_app_pidfile:="${appdaemon_piddir}/app.pid"}
awgur@0 59 : ${appdaemon_app_flags:=""}
awgur@0 60 : ${appdaemon_user:="nobody"}
awgur@0 61 : ${appdaemon_app:=""}
awgur@0 62 : ${appdaemon_chdir:="/tmp"}
awgur@0 63 : ${appdaemon_flags:="-f"}
awgur@0 64 : ${appdaemon_self:="/usr/sbin/daemon"}
awgur@0 65 : ${appdaemon_syslog_ident:=""}
awgur@0 66 : ${_appdaemon_prefix:="/usr/local"}
awgur@0 67 : ${_appdaemon_instance:="appdaemon"}
awgur@0 68
awgur@0 69
awgur@0 70 is_my_profile() {
awgur@0 71 local profile
awgur@0 72 for profile in ${appdaemon_profiles} ; do
awgur@0 73 if [ "$profile" = "$1" ]; then
awgur@0 74 return 0
awgur@0 75 fi
awgur@0 76 done
awgur@0 77
awgur@0 78 return 1
awgur@0 79 }
awgur@0 80
awgur@0 81 my_err () {
awgur@0 82 err $1 "${_appdaemon_instance}: $2"
awgur@0 83 }
awgur@0 84
awgur@0 85 my_list () {
awgur@0 86 if [ -z "${appdaemon_profiles}" ] ; then
awgur@0 87 echo "No profiles defineded"
awgur@0 88 else
awgur@0 89 echo "Profiles:"
awgur@0 90 for p in ${appdaemon_profiles} ; do
awgur@0 91 echo " - $p"
awgur@0 92 done
awgur@0 93 fi
awgur@0 94 echo ""
awgur@0 95 exit
awgur@0 96 }
awgur@0 97
awgur@0 98 if ! checkyesno ${rcvar} ; then
awgur@0 99 exit 0
awgur@0 100 fi
awgur@0 101
awgur@0 102 if [ -n "${appdaemon_profiles}" ]; then
awgur@0 103 _process_profiles_flag="1"
awgur@0 104 for c in ${extra_commands} ; do
awgur@0 105 if [ "$1" = "$c" ] ; then
awgur@0 106 _process_profiles_flag=""
awgur@0 107 break
awgur@0 108 fi
awgur@0 109 done
awgur@0 110 if [ -n "$_process_profiles_flag" ] ; then
awgur@0 111 if [ -n "$2" ]; then
awgur@0 112 _profile="$2"
awgur@0 113 if ! is_my_profile $_profile; then
awgur@0 114 my_err 1 "$0: $_profile - no such profile defined in appdaemon_profiles."
awgur@0 115 fi
awgur@0 116 eval appdaemon_pidfile=\${appdaemon_${_profile}_pidfile:-"${appdaemon_piddir}/${_profile}.pid"}
awgur@0 117 eval appdaemon_app_pidfile=\${appdaemon_${_profile}_app_pidfile:-"${appdaemon_piddir}/${_profile}.app.pid"}
awgur@0 118 eval appdaemon_user=\${appdaemon_${_profile}_user:-"${appdaemon_user}"}
awgur@0 119 eval appdaemon_app_flags=\${appdaemon_${_profile}_app_flags:-"${appdaemon_app_flags}"}
awgur@0 120 eval appdaemon_self=\${appdaemon_${_profile}_self:-"${appdaemon_self}"}
awgur@0 121 eval appdaemon_app=\"\${appdaemon_${_profile}_app:-"${appdaemon_app}"}\"
awgur@0 122 eval appdaemon_chdir=\"\${appdaemon_${_profile}_chdir:-"${appdaemon_chdir}"}\"
awgur@0 123 eval appdaemon_flags=\"\${appdaemon_${_profile}_flags:-"${appdaemon_flags}"}\"
awgur@0 124 eval appdaemon_syslog_ident=\"\${appdaemon_${_profile}_syslog_ident:-"${appdaemon_syslog_ident}"}\"
awgur@0 125 _appdaemon_instance="${_profile}"
awgur@0 126 elif [ -n "$1" ]; then
awgur@0 127 for _profile in ${appdaemon_profiles}; do
awgur@0 128 echo "Processing ${name} profile: ${_profile}"
awgur@0 129 ${_appdaemon_prefix}/etc/rc.d/${fsname} $1 ${_profile}
awgur@0 130 done
awgur@0 131 exit 0
awgur@0 132 fi
awgur@0 133 fi
awgur@0 134 fi
awgur@0 135
awgur@0 136 my_start_precmd () {
awgur@0 137 # Checks
awgur@0 138 if [ -z "${appdaemon_app}" ] ; then
awgur@0 139 my_err 2 "command not set"
awgur@0 140 elif ! [ -x "${appdaemon_app}" ] ; then
awgur@0 141 my_err 3 "Command not found or not executable: ${appdaemon_app}"
awgur@0 142 fi
awgur@0 143
awgur@0 144 if ! [ -e "${appdaemon_piddir}" ] ; then
awgur@0 145 mkdir -p "${appdaemon_piddir}"
awgur@0 146 fi
awgur@0 147 }
awgur@0 148
awgur@0 149 my_start_postcmd () {
awgur@0 150 sleep 0.4
awgur@0 151 local _app_pid=`cat "${appdaemon_app_pidfile}"`
awgur@0 152 local _d_pid=`cat "${appdaemon_pidfile}"`
awgur@0 153 sleep 1
awgur@0 154 if ! [ "${_app_pid}" = "`cat "${appdaemon_app_pidfile}"`" ] ; then
awgur@0 155 if [ "${_d_pid}" ] ; then
awgur@0 156 kill -9 "${_d_pid}"
awgur@0 157 fi
awgur@0 158 my_err 10 "app not lounch. Check it"
awgur@0 159 fi
awgur@0 160 }
awgur@0 161
awgur@0 162 my_status_postcmd () {
awgur@0 163 local _pids=""
awgur@0 164 if [ -f "${appdaemon_pidfile}" ] ; then
awgur@0 165 _pids="${_pids} -p `cat "${appdaemon_pidfile}"`"
awgur@0 166 fi
awgur@0 167
awgur@0 168 if [ -f "${appdaemon_app_pidfile}" ] ; then
awgur@0 169 _pids="${_pids} -p `cat "${appdaemon_app_pidfile}"`"
awgur@0 170 fi
awgur@0 171
awgur@0 172 if [ -n "${_pids}" ] ; then
awgur@0 173 echo ""
awgur@0 174 ps ux ${_pids}
awgur@0 175 echo ""
awgur@0 176 fi
awgur@0 177 }
awgur@0 178
awgur@0 179 command="${appdaemon_self}"
awgur@0 180 command_args="-r ${appdaemon_flags} -P ${appdaemon_pidfile} -p ${appdaemon_app_pidfile} -u ${appdaemon_user} ${appdaemon_app} ${appdaemon_app_flags}"
awgur@0 181
awgur@0 182 if [ "x${appdaemon_syslog_ident}" != "x" ] ; then
awgur@0 183 command_args="-ST ${appdaemon_syslog_ident} ${command_args}"
awgur@0 184 fi
awgur@0 185
awgur@0 186 appdaemon_user=""
awgur@0 187 pidfile="${appdaemon_pidfile}"
awgur@0 188 start_precmd=my_start_precmd
awgur@0 189 start_postcmd=my_start_postcmd
awgur@0 190 status_postcmd=my_status_postcmd
awgur@0 191 run_rc_command "$1"