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#!/usr/bin/env bash
# This script installs the monitor on a new machine.
#
# Syntax: install.sh [/root/install/dir]
#
# ROOT default is $HOME.
#
# Instructions:
# 1. Create a monitor user, its directory and give admins sudo -u monitor
# 2. Make sure that Perl, File, JSON and LWP are installed
# 3. Go to linaro-scripts/monitor; ./install.sh
# 4. Follow the instructions
# Full path
BASE=`readlink -fn -- "$0"`
BASE=`dirname "$BASE"`
if [ ! -x "$BASE/bot-status" ]; then
echo "Make sure the install script is in the monitor directory"
exit 1
fi
############################# Prepare
# Default root is home
ROOT="$HOME"
if [ "$1" != "" ]; then
ROOT="$1"
fi
# If there is more than one JSON file, don't guess
JSON=
MANY=0
for json in "$BASE"/*.json; do
if [ "$JSON" = "" ]; then
JSON="`basename $json`"
else
MANY=1
fi
done
if [ $MANY -eq 1 ]; then
JSON=""
fi
# Checking for required Perl modules
if ! perl -v > /dev/null; then
echo "Please, install Perl"
exit 1
fi
if ! perl -e "File::Temp" > /dev/null; then
echo "Please, install Perl's File module"
exit 1
fi
if ! perl -e "use JSON" > /dev/null; then
echo "Please, install Perl's JSON module"
exit 1
fi
if ! perl -e "use LWP" > /dev/null; then
echo "Please, install Perl's LWP module"
exit 1
fi
############################# Install
# Creates bin for bot-status
mkdir -p "$ROOT/bin"
ln -sf "$BASE/bot-status" "$ROOT/bin/bot-status"
if [ "$JSON" != "" ]; then
ln -sf "$BASE/$JSON" "$ROOT/bin/$JSON"
fi
# Creates html dir for page and icons
mkdir -p "$ROOT/html"
ln -sf "$BASE/fail.ico" "$ROOT/html/fail.ico"
ln -sf "$BASE/ok.ico" "$ROOT/html/ok.ico"
touch "$ROOT/html/index.html"
echo
echo "Installation complete"
echo
############################# Instructions
echo
echo "Post-Install instructions:"
echo
# JSON configuration
if [ "$JSON" = "" ]; then
echo " * Multiple or empty JSON files, symlink the right one to $ROOT/bin"
echo
JSON="<json file>"
fi
# WebServer
echo " * To make the HTML pages available to your WebServer,"
echo " Create a link from the web server (ex. /var/www/html/monitor) to $ROOT/html"
echo
# Crontab
echo " * To run the application every five minutes, add this line to your crontab:"
echo " */5 * * * * $ROOT/bin/bot-status $ROOT/bin/$JSON $ROOT/html/index/html"
echo
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