mirror of
https://github.com/correl/rebar.git
synced 2024-11-23 19:19:54 +00:00
0a1961fb0d
Implemented, by moving upgrade functionality from install_upgrade.escript to nodetool, which already supports both short and long names. Make install_upgrade.escript as wrapper for nodetool for backward compatibility.
414 lines
11 KiB
Bash
Executable file
414 lines
11 KiB
Bash
Executable file
#!/bin/sh
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# -*- tab-width:4;indent-tabs-mode:nil -*-
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# ex: ts=4 sw=4 et
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# /bin/sh on Solaris is not a POSIX compatible shell, but /usr/bin/ksh is.
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if [ `uname -s` = 'SunOS' -a "${POSIX_SHELL}" != "true" ]; then
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POSIX_SHELL="true"
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export POSIX_SHELL
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# To support 'whoami' add /usr/ucb to path
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PATH=/usr/ucb:$PATH
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export PATH
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exec /usr/bin/ksh $0 "$@"
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fi
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# clear it so if we invoke other scripts, they run as ksh
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unset POSIX_SHELL
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RUNNER_SCRIPT_DIR=$(cd ${0%/*} && pwd -P)
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RUNNER_SCRIPT=${0##*/}
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CALLER_DIR=$PWD
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RUNNER_BASE_DIR=${RUNNER_SCRIPT_DIR%/*}
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RUNNER_ETC_DIR=$RUNNER_BASE_DIR/etc
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# Note the trailing slash on $PIPE_DIR/
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PIPE_DIR=/tmp/$RUNNER_BASE_DIR/
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RUNNER_USER=
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WHOAMI=$(whoami)
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# Make sure this script is running as the appropriate user
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if ([ "$RUNNER_USER" ] && [ "x$WHOAMI" != "x$RUNNER_USER" ]); then
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type sudo > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "sudo doesn't appear to be installed and your EUID isn't $RUNNER_USER" 1>&2
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exit 1
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fi
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echo "Attempting to restart script through sudo -H -u $RUNNER_USER" >&2
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exec sudo -H -u $RUNNER_USER -i $RUNNER_SCRIPT_DIR/$RUNNER_SCRIPT $@
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fi
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# Identify the script name
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SCRIPT=`basename $0`
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# Parse out release and erts info
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START_ERL=`cat $RUNNER_BASE_DIR/releases/start_erl.data`
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ERTS_VSN=${START_ERL% *}
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APP_VSN=${START_ERL#* }
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# Use $CWD/vm.args if exists, otherwise releases/APP_VSN/vm.args, or
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# else etc/vm.args
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if [ -e "$CALLER_DIR/vm.args" ]; then
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VMARGS_PATH=$CALLER_DIR/vm.args
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USE_DIR=$CALLER_DIR
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else
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USE_DIR=$RUNNER_BASE_DIR
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if [ -e "$RUNNER_BASE_DIR/releases/$APP_VSN/vm.args" ]; then
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VMARGS_PATH="$RUNNER_BASE_DIR/releases/$APP_VSN/vm.args"
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else
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VMARGS_PATH="$RUNNER_ETC_DIR/vm.args"
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fi
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fi
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RUNNER_LOG_DIR=$USE_DIR/log
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# Make sure log directory exists
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mkdir -p $RUNNER_LOG_DIR
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# Use releases/VSN/sys.config if it exists otherwise use etc/app.config
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if [ -e "$USE_DIR/sys.config" ]; then
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CONFIG_PATH="$USE_DIR/sys.config"
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else
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if [ -e "$RUNNER_BASE_DIR/releases/$APP_VSN/sys.config" ]; then
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CONFIG_PATH="$RUNNER_BASE_DIR/releases/$APP_VSN/sys.config"
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else
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CONFIG_PATH="$RUNNER_ETC_DIR/app.config"
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fi
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fi
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# Extract the target node name from node.args
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NAME_ARG=`egrep '^\-s?name' $VMARGS_PATH`
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if [ -z "$NAME_ARG" ]; then
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echo "vm.args needs to have either -name or -sname parameter."
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exit 1
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fi
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# Extract the name type and name from the NAME_ARG for REMSH
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REMSH_TYPE=`echo $NAME_ARG | awk '{print $1}'`
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REMSH_NAME=`echo $NAME_ARG | awk '{print $2}'`
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# Test if REMSH_NAME contains a @ and set REMSH_HOSTNAME_PART
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# and REMSH_NAME_PART according REMSH_TYPE
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MAYBE_FQDN_HOSTNAME=`hostname`
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HOSTNAME=`echo $MAYBE_FQDN_HOSTNAME | awk -F. '{print $1}'`
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REMSH_HOSTNAME_PART="$MAYBE_FQDN_HOSTNAME"
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case "$REMSH_NAME" in
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*@*)
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REMSH_HOSTNAME_PART=`echo $REMSH_NAME | awk -F@ '{print $2}'`
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REMSH_NAME_PART=`echo $REMSH_NAME | awk -F@ '{print $1}'`
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;;
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*)
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REMSH_NAME_PART="$REMSH_NAME"
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if [ "$REMSH_TYPE" = "-sname" ]; then
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REMSH_HOSTNAME_PART="$HOSTNAME"
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else
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# -name type, check if `hostname` is fqdn
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if [ "$MAYBE_FQDN_HOSTNAME" = "$HOSTNAME" ]; then
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echo "Hostname must be a fqdn domain name when node is configured with long names"
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echo "and the full node name isn't configured in vm.args"
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exit 1
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fi
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fi
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;;
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esac
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# Note the `date +%s`, used to allow multiple remsh to the same node
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# transparently
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REMSH_NAME_ARG="$REMSH_TYPE remsh`date +%s`@$REMSH_HOSTNAME_PART"
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REMSH_REMSH_ARG="-remsh $REMSH_NAME_PART@$REMSH_HOSTNAME_PART"
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# Extract the target cookie
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COOKIE_ARG=`grep '^\-setcookie' $VMARGS_PATH`
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if [ -z "$COOKIE_ARG" ]; then
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echo "vm.args needs to have a -setcookie parameter."
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exit 1
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fi
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# Make sure CWD is set to the right dir
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cd $USE_DIR
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# Make sure log directory exists
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mkdir -p $USE_DIR/log
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RUNNER_SCRIPT_DATA=
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if [ -e "$RUNNER_BASE_DIR/releases/$APP_VSN/runner_script.data" ]; then
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RUNNER_SCRIPT_DATA=`cat $RUNNER_BASE_DIR/releases/$APP_VSN/runner_script.data`
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fi
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if [ -z "$RUNNER_SCRIPT_DATA" ]; then
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ROOTDIR=$RUNNER_BASE_DIR
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ERTS_PATH=$RUNNER_BASE_DIR/erts-$ERTS_VSN/bin
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if [ -e "$RUNNER_BASE_DIR/releases/$APP_VSN/nodetool" ]; then
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NODETOOL="$ERTS_PATH/escript $RUNNER_BASE_DIR/releases/$APP_VSN/nodetool $NAME_ARG $COOKIE_ARG"
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else
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NODETOOL="$ERTS_PATH/escript $ERTS_PATH/nodetool $NAME_ARG $COOKIE_ARG"
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fi
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SLIM_ARGS=
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elif [ "$RUNNER_SCRIPT_DATA" = "slim" ]; then
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# Setup system paths
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SYSTEM_ERL_PATH=`which erl`
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if [ ! -x "$SYSTEM_ERL_PATH" ]; then
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echo "Failed to find erl. Is Erlang/OTP available in PATH?"
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exit 1
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fi
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SYSTEM_HOME_BIN=${SYSTEM_ERL_PATH%/*}
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ROOTDIR=$SYSTEM_HOME_BIN/../lib/erlang
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ERTS_PATH=$ROOTDIR/erts-$ERTS_VSN/bin
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unset SYSTEM_ERL_PATH
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unset SYSTEM_HOME_BIN
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LOCAL_ERTS_PATH=$RUNNER_BASE_DIR/erts-$ERTS_VSN/bin
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NODETOOL="$ERTS_PATH/escript $RUNNER_BASE_DIR/releases/$APP_VSN/nodetool $NAME_ARG $COOKIE_ARG"
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unset LOCAL_ERL_PATH
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# Setup additional arguments for slim release
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SLIM_ARGS="-boot_var RELTOOL_EXT_LIB $RUNNER_BASE_DIR/lib -sasl releases_dir \"$RUNNER_BASE_DIR/releases\""
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else
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echo "Unknown runner_script.data"
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exit 1
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fi
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# Setup remote shell command to control node
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REMSH="$ERTS_PATH/erl -hidden $REMSH_NAME_ARG $REMSH_REMSH_ARG $COOKIE_ARG"
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# Common functions
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# Ping node without allowing nodetool to take stdin
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ping_node() {
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$NODETOOL ping < /dev/null
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}
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# Set the PID global variable, return 1 on error
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get_pid() {
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PID=`$NODETOOL getpid < /dev/null`
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ES=$?
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if [ "$ES" -ne 0 ]; then
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echo "Node is not running!"
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return 1
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fi
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# don't allow empty or init pid's
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if [ -z $PID ] || [ "$PID" -le 1 ]; then
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return 1
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fi
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return 0
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}
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# Check the first argument for instructions
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case "$1" in
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start|start_boot)
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# Make sure there is not already a node running
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RES=`ping_node`
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if [ "$RES" = "pong" ]; then
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echo "Node is already running!"
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exit 1
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fi
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case "$1" in
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start)
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shift
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START_OPTION="console"
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HEART_OPTION="start"
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;;
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start_boot)
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shift
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START_OPTION="console_boot"
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HEART_OPTION="start_boot"
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;;
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esac
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RUN_PARAM=$(printf "\'%s\' " "$@")
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HEART_COMMAND="$RUNNER_BASE_DIR/bin/$SCRIPT $HEART_OPTION $RUN_PARAM"
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export HEART_COMMAND
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mkdir -p $PIPE_DIR
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$ERTS_PATH/run_erl -daemon $PIPE_DIR $RUNNER_LOG_DIR "exec $RUNNER_BASE_DIR/bin/$SCRIPT $START_OPTION $RUN_PARAM" 2>&1
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;;
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stop)
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# Wait for the node to completely stop...
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case `uname -s` in
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Darwin)
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# Make sure we explicitly set this because iTerm.app doesn't for
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# some reason.
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COMMAND_MODE=unix2003
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esac
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# Get the PID from nodetool
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get_pid
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GPR=$?
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if [ "$GPR" -ne 0 ] || [ -z $PID ]; then
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exit $GPR
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fi
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# Tell nodetool to initiate a stop
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$NODETOOL stop
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ES=$?
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if [ "$ES" -ne 0 ]; then
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exit $ES
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fi
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# Wait for the node to completely stop...
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while `kill -s 0 $PID 2>/dev/null`
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do
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sleep 1
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done
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;;
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restart)
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## Restart the VM without exiting the process
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$NODETOOL restart
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ES=$?
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if [ "$ES" -ne 0 ]; then
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exit $ES
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fi
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;;
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reboot)
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## Restart the VM completely (uses heart to restart it)
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$NODETOOL reboot
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ES=$?
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if [ "$ES" -ne 0 ]; then
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exit $ES
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fi
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;;
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ping)
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## See if the VM is alive
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ping_node
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ES=$?
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if [ "$ES" -ne 0 ]; then
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exit $ES
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fi
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;;
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attach)
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# Make sure a node is running
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ping_node
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ES=$?
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if [ "$ES" -ne 0 ]; then
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echo "Node is not running!"
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exit $ES
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fi
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shift
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exec $ERTS_PATH/to_erl $PIPE_DIR
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;;
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eval)
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# Make sure a node IS running
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ping_node > /dev/null 2>&1
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ES=$?
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if [ "$ES" -ne 0 ]; then
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echo "Node is not running!"
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exit $ES
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fi
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shift
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$NODETOOL eval "$1"
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;;
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remote_console)
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# Make sure a node is running
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ping_node
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ES=$?
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if [ "$ES" -ne 0 ]; then
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echo "Node is not running!"
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exit $ES
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fi
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shift
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exec $REMSH
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;;
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upgrade)
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if [ -z "$2" ]; then
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echo "Missing upgrade package argument"
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echo "Usage: $SCRIPT upgrade {package base name}"
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echo "NOTE {package base name} MUST NOT include the .tar.gz suffix"
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exit 1
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fi
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# Make sure a node IS running
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ping_node
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ES=$?
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if [ "$ES" -ne 0 ]; then
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echo "Node is not running!"
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exit $ES
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fi
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$NODETOOL upgrade $2
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;;
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console|console_clean|console_boot)
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# .boot file typically just $SCRIPT (ie, the app name)
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# however, for debugging, sometimes start_clean.boot is useful.
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# For e.g. 'setup', one may even want to name another boot script.
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case "$1" in
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console) BOOTFILE=$SCRIPT ;;
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console_clean) BOOTFILE=start_clean ;;
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console_boot)
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shift
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BOOTFILE="$1"
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shift
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;;
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esac
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# Setup beam-required vars
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BINDIR=$ROOTDIR/erts-$ERTS_VSN/bin
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EMU=beam
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PROGNAME=`echo $0 | sed 's/.*\\///'`
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CMD="$BINDIR/erlexec $SLIM_ARGS -boot $RUNNER_BASE_DIR/releases/$APP_VSN/$BOOTFILE -mode embedded -config $CONFIG_PATH -args_file $VMARGS_PATH"
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export EMU
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export ROOTDIR
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export BINDIR
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export PROGNAME
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# Dump environment info for logging purposes
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echo "Exec: $CMD" -- ${1+"$@"}
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echo "Root: $ROOTDIR"
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# Log the startup
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logger -t "$SCRIPT[$$]" "Starting up"
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# Start the VM
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exec $CMD -- ${1+"$@"}
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;;
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foreground)
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# start up the release in the foreground for use by runit
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# or other supervision services
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BOOTFILE=$SCRIPT
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FOREGROUNDOPTIONS="-noinput +Bd"
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# Setup beam-required vars
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BINDIR=$ROOTDIR/erts-$ERTS_VSN/bin
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EMU=beam
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PROGNAME=`echo $0 | sed 's/.*\///'`
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CMD="$BINDIR/erlexec $SLIM_ARGS $FOREGROUNDOPTIONS -boot $RUNNER_BASE_DIR/releases/$APP_VSN/$BOOTFILE -config $CONFIG_PATH -args_file $VMARGS_PATH"
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export EMU
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export ROOTDIR
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export BINDIR
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export PROGNAME
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# Dump environment info for logging purposes
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echo "Exec: $CMD" -- ${1+"$@"}
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echo "Root: $ROOTDIR"
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# Start the VM
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exec $CMD -- ${1+"$@"}
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;;
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getpid)
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# Get the PID from nodetool
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get_pid
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ES=$?
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if [ "$ES" -ne 0 ] || [ -z $PID ]; then
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exit $ES
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fi
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echo $PID
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;;
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*)
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echo "Usage: $SCRIPT {start|start_boot <file>|foreground|stop|restart|reboot|ping|console|getpid|console_clean|console_boot <file>|attach|eval|remote_console|upgrade}"
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exit 1
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;;
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esac
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exit 0
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