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Improve executable jar launch script

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Update the launch script used in fully executable jars to:

- Include LSB-Header comments
- Source `.conf` files either next to the jar for additional script
  configuration

Fixes gh-3243
This commit is contained in:
Johannes Stelzer 2015-06-15 21:38:19 +02:00 committed by Phillip Webb
parent a0dde9f17d
commit f0bb60bf9d
1 changed files with 42 additions and 23 deletions
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65
spring-boot-tools/spring-boot-loader-tools/src/main/resources/org/springframework/boot/loader/tools/launch.script
View File

@ -9,11 +9,40 @@
# :: Spring Boot Startup Script ::
#
### BEGIN INIT INFO
# Provides: spring-boot-application
# Required-Start: $remote_fs $syslog $network
# Required-Stop: $remote_fs $syslog $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Spring Boot Application
# Description: Spring Boot Application
### END INIT INFO
[[ -n "$DEBUG" ]] && set -x
# Initialize variables that cannot be provided by a .conf file
WORKING_DIR="$(pwd)"
[[ -n "$JARFILE" ]] && jarfile="$JARFILE"
[[ -n "$APP_NAME" ]] && identity="$APP_NAME"
# Follow symlinks to find the real jar and detect init.d script
cd $(dirname "$0")
[[ -z "$jarfile" ]] && jarfile=$(pwd)/$(basename "$0")
while [[ -L "$jarfile" ]]; do
[[ "$jarfile" =~ "init.d" ]] && init_script=$(basename "$jarfile")
jarfile=$(readlink "$jarfile")
cd $(dirname "$jarfile")
jarfile=$(pwd)/$(basename "$jarfile")
done
jarfolder=$(dirname "$jarfile")
cd "$WORKING_DIR"
# Source any config file
configfile=$(basename "${jarfile%.*}.conf")
[[ -r ${jarfolder}/${configfile} ]] && source ${jarfolder}/${configfile}
# Initialize PID/LOG locations if they weren't provided by the config file
[[ -z "$PID_FOLDER" ]] && PID_FOLDER="/var/run"
[[ -z "$LOG_FOLDER" ]] && LOG_FOLDER="/var/log"
! [[ -x "$PID_FOLDER" ]] && PID_FOLDER="/tmp"
@ -22,6 +51,18 @@ WORKING_DIR="$(pwd)"
# Setup defaults
[[ -z "$MODE" ]] && MODE="{{mode:auto}}" # modes are "auto", "service" or "run"
# Create an identity for log/pid files
if [[ -z "$identity" ]]; then
if [[ -n "$init_script" ]]; then
identity="${init_script}"
else
identity=$(basename "${jarfile%.*}")_${jar_folder//\//}
fi
fi
# ANSI Colors
echoRed() { echo $'\e[0;31m'$1$'\e[0m'; }
echoGreen() { echo $'\e[0;32m'$1$'\e[0m'; }
@ -37,17 +78,6 @@ isRunning() {
ps -p $1 &> /dev/null
}
# Follow symlinks to find the real jar and detect init.d script
cd $(dirname "$0")
[[ -z "$jarfile" ]] && jarfile=$(pwd)/$(basename "$0")
while [[ -L "$jarfile" ]]; do
[[ "$jarfile" =~ "init.d" ]] && init_script=$(basename "$jarfile")
jarfile=$(readlink "$jarfile")
cd $(dirname "$jarfile")
jarfile=$(pwd)/$(basename "$jarfile")
done
cd "$WORKING_DIR"
# Determine the script mode
action="run"
if [[ "$MODE" == "auto" && -n "$init_script" ]] || [[ "$MODE" == "service" ]]; then
@ -55,16 +85,6 @@ if [[ "$MODE" == "auto" && -n "$init_script" ]] || [[ "$MODE" == "service" ]]; t
shift
fi
# Create an identity for log/pid files
if [[ -z "$identity" ]]; then
if [[ -n "$init_script" ]]; then
identity="${init_script}"
else
jar_folder=$(dirname "$jarfile")
identity=$(basename "${jarfile%.*}")_${jar_folder//\//}
fi
fi
# Build the pid and log filenames
if [[ "$identity" == "$init_script" ]] || [[ "$identity" == "$APP_NAME" ]]; then
PID_FOLDER="$PID_FOLDER/${identity}"
@ -88,7 +108,7 @@ else
fi
# Build actual command to execute
command="$javaexe -jar -Dsun.misc.URLClassPath.disableJarChecking=true $jarfile $@"
command="$javaexe -jar -Dsun.misc.URLClassPath.disableJarChecking=true $JAVA_OPTS $jarfile $RUN_ARGS $@"
# Action functions
start() {
@ -166,4 +186,3 @@ run)
esac
exit 0