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annotate contrib/dashboardctl @ 36:1e084c23d101

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Add --start/--stop commands
author Gernot Schulz <gernot@intevation.de>
date Mon, 19 Oct 2015 13:34:29 +0200
parents 295e3253bb49
children 58ca5b1d33a5
rev   line source
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1 #!/usr/bin/env sh
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2
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3 export DISPLAY=":0.0"
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4
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5 OLDDB=/home/pi/incoming_dbs/tech_intern.db
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6 NEWDB=/home/pi/incoming_dbs/tech_intern.db.new
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7
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8 BOTTLEDASH_PID="$HOME/bottledash.pid"
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9 BOTTLEDASH_LOG="$HOME/bottledash.log"
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10 CHROMIUM_PID="$HOME/chromium.pid"
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11 CHROMIUM_LOG="$HOME/chromium.log"
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12
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13 usage () {
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14 cat << EOF
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15 Usage: $0 [COMMAND]
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16
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17 Commands:
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18 --start Start Bottledash and the dashboard/browser
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19 --stop Stop Bottledash and the dashboard/browser
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20 --reload Restart Bottledash and reload the dashboard/browser
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21 --smart-reload If a new DB is available, restart Bottledash and reload
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22 the dashboard/browser
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23 --restart-bd Restart Bottledash
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24 --reload-browser Reload dashboard/browser
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25 --check-db Check if a new DB is available
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26 -h, --help This help
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27 EOF
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28 }
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29
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30 start_bottledash () {
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31 # taken from start-bottledash-hohup
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32 nohup python3 /home/pi/bottledash/dash.py 2>&1 > $BOTTLEDASH_LOG &
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33 echo $! > $BOTTLEDASH_PID
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34 sleep 10
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35 }
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36
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37 stop_bottledash () {
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38 kill $(cat $BOTTLEDASH_PID)
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39 }
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40
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41 start_chromium () {
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42 # taken from show-dashboard
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43 rm -R $HOME/.cache/chromium/Default/Cache/
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44 DISPLAY=:0.0 nohup chromium --new --noerrdialogs --kiosk \
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45 http://localhost:8080 2>&1 > $CHROMIUM_LOG &
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46 echo $! > $CHROMIUM_PID
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47 }
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49
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50 stop_chromium () {
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51 kill $(cat $CHROMIUM_PID)
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52 }
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53
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54 xdo_reload_chromium () {
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55 # Start Chromium if necessary
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56 if [ -f "$BOTTLEDASH_PID" ] && [ -d /proc/$(cat "$CHROMIUM_PID") ]; then
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57 # Send F5 to Chromium
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58 WID=$(xdotool search --onlyvisible --class chromium | head -1)
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59 xdotool windowactivate ${WID}
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60 xdotool key F5
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61 else
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62 start_chromium
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63 fi
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64 }
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65
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66 check_new_db () {
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67 if [ ! -f "$NEWDB" ]; then
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68 echo 0 ; return
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69 fi
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70 OLDSIZE=$(md5sum $OLDDB | awk '{print $1}')
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71 NEWSIZE=$(md5sum $NEWDB | awk '{print $1}')
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72 if [ "$OLDSIZE" != "$NEWSIZE" ]; then
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73 echo 1
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74 else
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75 echo 0
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76 fi
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77 }
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78
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79 update_db () {
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80 if [ $(check_new_db) -eq 1 ]; then
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81 mv "$NEWDB" "$OLDDB"
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82 fi
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83 }
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84
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85 case $1 in
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86 '--start')
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87 start_bottledash
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88 start_chromium
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89 ;;
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90 '--stop')
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91 stop_bottledash
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92 stop_chromium
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93 ;;
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94 '--restart-bd')
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95 stop_bottledash
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96 start_bottledash
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97 ;;
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98 '--reload-browser')
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99 xdo_reload_chromium
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100 ;;
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101 '--reload')
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102 stop_bottledash
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103 start_bottledash
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104 xdo_reload_chromium
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105 ;;
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106 '--check-db')
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107 check_new_db
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108 ;;
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109 '--smart-reload')
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110 if [ $(check_new_db) -eq 1 ]; then
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111 update_db
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112 stop_bottledash
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113 start_bottledash
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114 sleep 10
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115 xdo_reload_chromium
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116 fi
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117 ;;
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118 '-h'|'--help')
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119 usage
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120 exit 0
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121 ;;
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122 *)
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123 echo "ERROR: unknown command: $1" >&2
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124 usage
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125 exit 2
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126 ;;
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127 esac
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128
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129 # vim: set ft=sh :
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