exec/nfg_run_daily_jobs.sh

   1 #!/bin/bash
   2 # Desc: A list of executables to be started every day at midnight.
   3 # Usage: nfg_run_daily_jobs.sh arg1
   4 # Input: arg1: path to directory containing ninfacyzga-1 repository
   5 #        arg2:
   6 # Note: These jobs permit the general strategy of storing current instances of
   7 #   observed data in a temporary directory that can be accessed as a file from
   8 #   other scripts without each script having to know about eachother's
   9 #   existence.
  10 # Note: Run this script daily at midnight using `cron`.
  11
  12 #==BEGIN Define script parameters==
  13 nfg_base_dir="../";
  14 nfg_exec_dir="$nfg_base_dir"/exec;
  15 length_day_s=$((24 * 60 * 60)); # seconds
  16
  17 #===BEGIN Define variables===
  18 declare -Ag appRollCall # Associative array for storing app status
  19 declare -Ag fileRollCall # Associative array for storing file status
  20 declare -Ag dirRollCall # Associative array for storing dir status
  21 #===END Define variables===
  22 #===BEGIN Declare local script functions===
  23 yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
  24 die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
  25 try() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
  26 checkapp() {
  27     # Desc: If arg is a command, save result in assoc array 'appRollCall'
  28     # Usage: checkapp arg1 arg2 arg3 ...
  29     # Version: 0.1.1
  30     # Input: global assoc. array 'appRollCall'
  31     # Output: adds/updates key(value) to global assoc array 'appRollCall'
  32     # Depends: bash 5.0.3
  33     local returnState
  34
  35     #===Process Args===
  36     for arg in "$@"; do
  37         if command -v "$arg" 1>/dev/null 2>&1; then # Check if arg is a valid command
  38             appRollCall[$arg]="true";
  39             if ! [ "$returnState" = "false" ]; then returnState="true"; fi;
  40         else
  41             appRollCall[$arg]="false"; returnState="false";
  42         fi;
  43     done;
  44
  45     #===Determine function return code===
  46     if [ "$returnState" = "true" ]; then
  47         return 0;
  48     else
  49         return 1;
  50     fi;
  51 } # Check that app exists
  52 checkfile() {
  53     # Desc: If arg is a file path, save result in assoc array 'fileRollCall'
  54     # Usage: checkfile arg1 arg2 arg3 ...
  55     # Version: 0.1.1
  56     # Input: global assoc. array 'fileRollCall'
  57     # Output: adds/updates key(value) to global assoc array 'fileRollCall';
  58     # Output: returns 0 if app found, 1 otherwise
  59     # Depends: bash 5.0.3
  60     local returnState
  61
  62     #===Process Args===
  63     for arg in "$@"; do
  64         if [ -f "$arg" ]; then
  65             fileRollCall["$arg"]="true";
  66             if ! [ "$returnState" = "false" ]; then returnState="true"; fi;
  67         else
  68             fileRollCall["$arg"]="false"; returnState="false";
  69         fi;
  70     done;
  71
  72     #===Determine function return code===
  73     if [ "$returnState" = "true" ]; then
  74         return 0;
  75     else
  76         return 1;
  77     fi;
  78 } # Check that file exists
  79 checkdir() {
  80     # Desc: If arg is a dir path, save result in assoc array 'dirRollCall'
  81     # Usage: checkdir arg1 arg2 arg3 ...
  82     # Version 0.1.1
  83     # Input: global assoc. array 'dirRollCall'
  84     # Output: adds/updates key(value) to global assoc array 'dirRollCall';
  85     # Output: returns 0 if app found, 1 otherwise
  86     # Depends: Bash 5.0.3
  87     local returnState
  88
  89     #===Process Args===
  90     for arg in "$@"; do
  91         if [ -d "$arg" ]; then
  92             dirRollCall["$arg"]="true";
  93             if ! [ "$returnState" = "false" ]; then returnState="true"; fi
  94         else
  95             dirRollCall["$arg"]="false"; returnState="false";
  96         fi
  97     done
  98
  99     #===Determine function return code===
 100     if [ "$returnState" = "true" ]; then
 101         return 0;
 102     else
 103         return 1;
 104     fi
 105 } # Check that dir exists
 106 displayMissing() {
 107     # Desc: Displays missing apps, files, and dirs
 108     # Usage: displayMissing
 109     # Version 0.1.1
 110     # Input: associative arrays: appRollCall, fileRollCall, dirRollCall
 111     # Output: stderr: messages indicating missing apps, file, or dirs
 112     # Depends: bash 5, checkAppFileDir()
 113     local missingApps value appMissing missingFiles fileMissing
 114     local missingDirs dirMissing
 115
 116     #==BEGIN Display errors==
 117     #===BEGIN Display Missing Apps===
 118     missingApps="Missing apps  :";
 119     #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done
 120     for key in "${!appRollCall[@]}"; do
 121         value="${appRollCall[$key]}";
 122         if [ "$value" = "false" ]; then
 123             #echo "DEBUG:Missing apps: $key => $value";
 124             missingApps="$missingApps""$key ";
 125             appMissing="true";
 126         fi;
 127     done;
 128     if [ "$appMissing" = "true" ]; then  # Only indicate if an app is missing.
 129         echo "$missingApps" 1>&2;
 130     fi;
 131     unset value;
 132     #===END Display Missing Apps===
 133
 134     #===BEGIN Display Missing Files===
 135     missingFiles="Missing files:";
 136     #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done
 137     for key in "${!fileRollCall[@]}"; do
 138         value="${fileRollCall[$key]}";
 139         if [ "$value" = "false" ]; then
 140             #echo "DEBUG:Missing files: $key => $value";
 141             missingFiles="$missingFiles""$key ";
 142             fileMissing="true";
 143         fi;
 144     done;
 145     if [ "$fileMissing" = "true" ]; then  # Only indicate if an app is missing.
 146         echo "$missingFiles" 1>&2;
 147     fi;
 148     unset value;
 149     #===END Display Missing Files===
 150
 151     #===BEGIN Display Missing Directories===
 152     missingDirs="Missing dirs:";
 153     #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done
 154     for key in "${!dirRollCall[@]}"; do
 155         value="${dirRollCall[$key]}";
 156         if [ "$value" = "false" ]; then
 157             #echo "DEBUG:Missing dirs: $key => $value";
 158             missingDirs="$missingDirs""$key ";
 159             dirMissing="true";
 160         fi;
 161     done;
 162     if [ "$dirMissing" = "true" ]; then  # Only indicate if an dir is missing.
 163         echo "$missingDirs" 1>&2;
 164     fi;
 165     unset value;
 166     #===END Display Missing Directories===
 167
 168     #==END Display errors==
 169 } # Display missing apps, files, dirs
 170 main() {
 171     # Note: Use '&' to run scripts and immediately detach them.
 172
 173     # Temperature
 174
 175     # Pressure
 176
 177     # Location
 178
 179     # Photograph
 180     photo_script_path="$nfg_exec_dir"/update_temp_photograph.sh;
 181     if checkfile "$photo_script_path"; then
 182         timeout "$length_day_s"s /bin/bash "$photo_script_path" &
 183     else
 184         yell "ERROR:Not found:$photo_script_path";
 185     fi;
 186     displayMissing;
 187 } # main program
 188
 189 #===END Declare local script functions===
 190 #==END Define script parameters==
 191
 192 main "$@";