scripts/dfs

   1 #!/usr/bin/env bash
   2 #
   3 #   Adapted from Eridan's "fs" (cleanup, enhancements and switch to bash/Linux)
   4 #   JM,  10/12/2004
   5 #
   6 #   Integrated into Lain in september 2013
   7 #   https://github.com/copycat-killer/lain
   8
   9 #   Requires gawk
  10
  11 # -------------------------------------------------------------------------
  12 #   Decoding options
  13 # -------------------------------------------------------------------------
  14 USAGE="Usage: $0 [-h(elp)] | [-n(arrow mode)] | [-w(eb output) | --type=<fstype> | --exclude-type=<fstype>]"
  15
  16 NARROW_MODE=0
  17 WEB_OUTPUT=0
  18 DF_OPTIONS=""
  19
  20 while [ $# -gt 0 ]; do
  21 case "$1" in
  22 "-h" )
  23 echo $USAGE
  24 exit
  25 ;;
  26 "-d" )
  27 DEBUG=1
  28 ;;
  29 "-n" )
  30 NARROW_MODE=1
  31 ;;
  32 "-w" )
  33 WEB_OUTPUT=1
  34 ;;
  35 --type=*)
  36 DF_OPTIONS+=" $1"
  37 ;;
  38 --exclude-type=*)
  39 DF_OPTIONS+=" $1"
  40 ;;
  41 * )
  42 echo $USAGE
  43 exit
  44 ;;
  45 esac
  46 shift
  47 done
  48
  49 # -------------------------------------------------------------------------
  50 #   Preparations
  51 # -------------------------------------------------------------------------
  52 SYSTEM=`uname -s`
  53 PATTERN="/"
  54
  55 case "$SYSTEM" in
  56 "Linux" )
  57 DF_COMMAND="/usr/bin/env df -k"
  58 SORT_COMMAND="/usr/bin/env sort -k6"
  59 AWK_COMMAND="/usr/bin/env awk"
  60 ;;
  61 * )
  62 DF_COMMAND="/bin/df -k"
  63 SORT_COMMAND="/usr/bin/sort -k6"
  64 AWK_COMMAND="/usr/bin/env gawk"
  65 ;;
  66 esac
  67
  68 # Add additional df options
  69 DF_COMMAND+=$DF_OPTIONS
  70
  71 # -------------------------------------------------------------------------
  72 #   Grabbing "df" result
  73 # -------------------------------------------------------------------------
  74 DF_RESULT=`$DF_COMMAND`
  75 if [ ! -z $DEBUG ]; then
  76 echo "--> DF_RESULT:"
  77 echo "$DF_RESULT"
  78 echo ""
  79 fi
  80
  81 # -------------------------------------------------------------------------
  82 #   Preprocessing "df" result, to join split logical lines
  83 # -------------------------------------------------------------------------
  84 PREPROCESSING_RESULT=` \
  85                                                                                  echo "$DF_RESULT" | $AWK_COMMAND -v PATTERN=$PATTERN \
  86                                                                                  '
  87                                                                                  NF == 1 {
  88                                                                                          printf ("%s", $0)
  89                                                                                  }
  90
  91 NF == 5 {
  92         printf ("%s\n", $0)
  93 }
  94
  95 NF > 6  {
  96 }
  97
  98 NF == 6 {
  99         printf ("%s\n", $0)
 100 }'
 101 `
 102 if [ ! -z $DEBUG ]; then
 103 echo "--> PREPROCESSING_RESULT:"
 104 echo "$PREPROCESSING_RESULT"
 105 echo ""
 106 fi
 107
 108 SORTED_FILE_SYSTEMS_INFO=`echo "$PREPROCESSING_RESULT" | $SORT_COMMAND`
 109
 110 if [ ! -z $DEBUG ]; then
 111 echo "--> SORTED_FILE_SYSTEMS_INFO:"
 112 echo "$SORTED_FILE_SYSTEMS_INFO"
 113 echo ""
 114 fi
 115
 116 # -------------------------------------------------------------------------
 117 #   Computing mount point max length
 118 # -------------------------------------------------------------------------
 119 MOUNT_POINT_MAX_LENGTH=` \
 120                                                                                          echo "$SORTED_FILE_SYSTEMS_INFO" | $AWK_COMMAND -v PATTERN=$PATTERN \
 121                                                                                          '
 122                                                                                          BEGIN       {
 123                                                                                                  mount_point_length_max = 15;
 124                                                                                          }
 125
 126 END     {
 127         printf ("%d", mount_point_length_max);
 128 }
 129
 130 $0 ~ PATTERN    {
 131 #       printf ("$6 = %s\n", $6);
 132
 133         mount_point = $6;
 134 #       printf ("mount_point = %s\n", mount_point);
 135
 136         mount_point_length = length (mount_point);
 137 #       printf ("mount_point_length = %d\n", mount_point_length);
 138
 139         if (mount_point_length > mount_point_length_max)
 140                 mount_point_length_max = mount_point_length;
 141 }'
 142 `
 143 if [ ! -z $DEBUG ]; then
 144 echo "MOUNT_POINT_MAX_LENGTH:      $MOUNT_POINT_MAX_LENGTH"
 145 fi
 146
 147 # -------------------------------------------------------------------------
 148 #   Computing mount point data max size
 149 # -------------------------------------------------------------------------
 150 MOUNT_POINT_MAX_SIZE=` \
 151                                                                                  echo "$SORTED_FILE_SYSTEMS_INFO" | $AWK_COMMAND -v PATTERN=$PATTERN \
 152                                                                                  '
 153                                                                                  BEGIN       {
 154                                                                                          mount_point_size_max = 0;
 155                                                                                  }
 156
 157 END     {
 158         printf ("%d", mount_point_size_max);
 159 }
 160
 161 $0 ~ PATTERN    {
 162 #       df -k shows k_bytes!
 163 #       printf ("$2 = %s\n", $2);
 164
 165         mount_point_size = $2 * 1024;
 166 #       printf ("mount_point_size = %d\n", mount_point_size);
 167
 168         if (mount_point_size > mount_point_size_max)
 169                 mount_point_size_max = mount_point_size;
 170 }'
 171 `
 172 if [ ! -z $DEBUG ]; then
 173 echo "MOUNT_POINT_MAX_SIZE:      $MOUNT_POINT_MAX_SIZE"
 174 fi
 175
 176 # -------------------------------------------------------------------------
 177 #   Let's go!
 178 # -------------------------------------------------------------------------
 179 echo "$SORTED_FILE_SYSTEMS_INFO" | $AWK_COMMAND -v DEBUG=$DEBUG -v PATTERN=$PATTERN -v NARROW_MODE=$NARROW_MODE -v LEFT_COLUMN=$MOUNT_POINT_MAX_LENGTH -v MAX_SIZE=$MOUNT_POINT_MAX_SIZE -v SCALE=$SCALE -v WEB_OUTPUT=$WEB_OUTPUT \
 180                          '
 181 #   {printf ("$0 = %s\n", $0);}
 182 #   {printf ("$1 = %s\n", $1);}
 183 #   {printf ("PATTERN = %s\n", PATTERN);}
 184 #   {printf ("LEFT_COLUMN = %s\n", LEFT_COLUMN);}
 185
 186                          BEGIN       {
 187                                  k_bytes = 1024.0;
 188                                  m_bytes = 1024.0 * k_bytes;
 189                                  g_bytes = 1024.0 * m_bytes;
 190                                  t_bytes = 1024.0 * g_bytes;
 191
 192                                  if (WEB_OUTPUT)
 193                                  {
 194                                          all_stars = "**************************************************";
 195                                          current_date = strftime ("%d-%m-%Y @ %H:%M:%S", localtime (systime ()));
 196                                          free_threshold = 10; # %
 197
 198                                  printf ("<!-- DEBUT CONTENU -->\n");
 199
 200                                          printf ( \
 201                                                          "<A NAME=\"top\"></A>\n" \
 202                                                          "<P ALIGN=CENTER><SPAN CLASS=\"titleblue\">%s</SPAN><SPAN CLASS=\"textbold\">  --  STATUS OF <SPAN CLASS=\"titlered\">ALCOR</SPAN> FILE SYSTEMS</SPAN></P><BR>\n",
 203                                                          current_date )
 204
 205                                                  printf ("<TABLE WIDTH=\"100%%\" BORDER=1>\n");
 206
 207                                          printf ( \
 208                                                          "<TR>\n" \
 209                                                          "<TD ALIGN=LEFT><STRONG>Mount point</STRONG></TD>\n" \
 210                                                          "<TD ALIGN=CENTER><STRONG>%% Usato&nbsp;(<SPAN CLASS=\"titleblue\">*</SPAN>)" \
 211                                                          "&nbsp;-&nbsp;%% Free&nbsp;(<SPAN CLASS=\"titlegreen\">*</SPAN>)</STRONG></TD>\n" \
 212                                                          "<TD ALIGN=CENTER><STRONG>%% Used</STRONG></TD>\n" \
 213                                                          "<TD ALIGN=CENTER><STRONG>Free</STRONG></TD>\n" \
 214                                                          "<TD ALIGN=CENTER><STRONG>Total</STRONG></TD>\n" \
 215                                                          "</TR>\n" );
 216                                  }
 217                                  else
 218                                  {
 219                                          narrow_margin = "       ";
 220 #           printf ("%-*s", LEFT_COLUMN + 2, "Mount point");
 221                                                  if (NARROW_MODE)
 222                                                          printf ("\n%s", narrow_margin);
 223                                                  else
 224                                                          printf ("%-*s", LEFT_COLUMN + 2, "");
 225                                          print "                                                    Used     Free       Total ";
 226                                          if (! NARROW_MODE)
 227                                                  print " ";
 228                                  }
 229                          }
 230
 231 END     {
 232         if (WEB_OUTPUT)
 233         {
 234                 printf ("</TABLE>\n");
 235
 236                 printf ("<!-- FIN CONTENU -->\n");
 237         }
 238         else
 239         {
 240                 if (NARROW_MODE)
 241                         printf ("%s", narrow_margin);
 242                 else
 243                         printf ("%-*s", LEFT_COLUMN + 2, "");
 244                 print "|----|----|----|----|----|----|----|----|----|----|"
 245                         if (NARROW_MODE)
 246                                 printf ("\n%s", narrow_margin);
 247                         else
 248                                 printf ("%-*s", LEFT_COLUMN + 2, "");
 249                 print "0   10   20   30   40   50   60   70   80   90  100";
 250                 print "";
 251         }
 252 }
 253
 254 $0 ~ PATTERN    {
 255
 256         if (index ($0, "members") == 0 && index ($0, "Download") == 0 && index ($0, "admin") == 0)
 257         {
 258 #       df -k shows k_bytes!
 259
 260                 total_size = $2 * k_bytes;
 261                 free_size = $4 * k_bytes;
 262                 percentage_occupied = substr($5, 0, 3);
 263                 mount_point = $6;
 264
 265                 percentage_free = int (100 - percentage_occupied);
 266
 267 #       reduction_factor: 2
 268                 stars_number = int (percentage_occupied / 2);
 269
 270                 if (WEB_OUTPUT)
 271                 {
 272                         posGroup = index (mount_point, "scratch");
 273                         if (posGroup == 0)
 274                                 posGroup = index (mount_point, "u1");
 275                         if (posGroup == 0)
 276                                 posGroup = index (mount_point, "u2");
 277                         if (posGroup == 0)
 278                                 posGroup = index (mount_point, "u4");
 279                         if (posGroup == 0)
 280                                 posGroup = index (mount_point, "u5");
 281
 282                         printf ("<TR>\n");
 283
 284                         if (posGroup > 0 || percentage_free < free_threshold)
 285                         {
 286                                 if (percentage_free < free_threshold)
 287                                 {
 288                                         class = "titlered";
 289                                         if (posGroup == 0)
 290                                                 posGroup = 1;   # to display the whole mount_point in this color anyway
 291                                 }
 292                                 else if ((index (mount_point, "scratch") != 0) || (index (mount_point, "u1") != 0) || (index (mount_point, "u2") != 0))
 293                                 {
 294                                         class = "titleorange";
 295                                         posGroup = 1;   # to display the whole mount_point in this color
 296                                 }
 297                                 else if ((index (mount_point, "u4") != 0) || (index (mount_point, "u5") != 0))
 298                                 {
 299                                         class = "titlebrown";
 300                                         posGroup = 1;   # to display the whole mount_point in this color
 301                                 }
 302
 303                                 printf ( \
 304                                                 "<TD ALIGN=LEFT>%s<SPAN CLASS=\"%s\">%s</SPAN></TD>\n",
 305                                                 substr (mount_point, 1, posGroup - 1),
 306                                                 class,
 307                                                 substr (mount_point, posGroup) );
 308                         }
 309                         else
 310                         {
 311                                 printf ("<TD ALIGN=LEFT>%s</TD>\n", mount_point);
 312                         }
 313
 314                         printf ( \
 315                                         "<TD ALIGN=CENTER><SPAN CLASS=\"titleblue\">%s</SPAN><SPAN CLASS=\"titlegreen\">%s</SPAN></TD>\n",
 316                                         substr (all_stars, 1, stars_number), substr (all_stars, stars_number + 1, 49) );
 317
 318                         if (percentage_free < free_threshold)
 319                         {
 320                                 color_beginning = "<SPAN CLASS=\"titlered\">";
 321                                 color_end = "</SPAN>"
 322                         }
 323                         else
 324                         {
 325                                 color_beginning = "";
 326                                 color_end = ""
 327                         }
 328
 329                         if (total_size > 1 * t_bytes)
 330                                 printf ( \
 331                                                 "<TD ALIGN=RIGHT>%s%3d%%%s</TD><TD ALIGN=RIGHT>%5.1f Tb</TD><TD ALIGN=RIGHT>%5.1f Tb</TD>\n", \
 332                                                 color_beginning, percentage_occupied, color_end, free_size / t_bytes, total_size / t_bytes \
 333                                                 );
 334                         else if (total_size > 1 * g_bytes)
 335                                 printf ( \
 336                                                 "<TD ALIGN=RIGHT>%s%3d%%%s</TD><TD ALIGN=RIGHT>%5.1f Gb</TD><TD ALIGN=RIGHT>%5.1f Gb</TD>\n", \
 337                                                 color_beginning, percentage_occupied, color_end, free_size / g_bytes, total_size / g_bytes \
 338                                                 );
 339                         else if (total_size > 1 * m_byptes)
 340                                 printf ( \
 341                                                 "<TD ALIGN=RIGHT>%s%3d%%%s</TD><TD ALIGN=RIGHT>%5.1f Mb</TD><TD ALIGN=RIGHT>%5.1f Mb</TD>\n", \
 342                                                 color_beginning, percentage_occupied, color_end, free_size / m_bytes, total_size / m_bytes \
 343                                                 );
 344                         else
 345                                 printf ( \
 346                                                 "<TD ALIGN=RIGHT>%s%3d%%%s</TD><TD ALIGN=RIGHT>%5.1f Kb</TD><TD ALIGN=RIGHT>%5.1f Kb</TD>\n", \
 347                                                 color_beginning, percentage_occupied, color_end, free_size / k_bytes, total_size / k_bytes \
 348                                                 );
 349
 350                         printf ("</TR>\n");
 351                 }
 352
 353                 else
 354                 {
 355 #           printf ("percentage_occupied = %d\n", percentage_occupied);
 356 #           printf ("percentage_free = %d\n", percentage_free);
 357
 358                         printf ("%-*s", LEFT_COLUMN + 2, mount_point);
 359                         if (NARROW_MODE)
 360                                 printf ("\n%s", narrow_margin);
 361
 362 #           printf ("stars_number = %d\n", stars_number);
 363
 364                         printf ("|");
 365                         for (i = 1; i <= stars_number && i <= 49; i++)
 366                         {
 367                                 printf ("%s", "*");
 368                         }
 369                         for (i = stars_number + 1; i <= 49; i++)
 370                         {
 371                                 printf ("%s", "-");
 372                         }
 373
 374
 375                         if (total_size > 1 * t_bytes)
 376                                 printf ( \
 377                                                 "| %3d%%   %6.1f   %6.1f Tb\n", \
 378                                                 percentage_occupied, free_size / t_bytes, total_size / t_bytes \
 379                                                 );
 380                         else if (total_size > 1 * g_bytes)
 381                                 printf ( \
 382                                                 "| %3d%%   %6.1f   %6.1f Gb\n", \
 383                                                 percentage_occupied, free_size / g_bytes, total_size / g_bytes \
 384                                                 );
 385                         else if (total_size > 1 * m_byptes)
 386                                 printf ( \
 387                                                 "| %3d%%   %6.1f   %6.1f Mb\n", \
 388                                                 percentage_occupied, free_size / m_bytes, total_size / m_bytes \
 389                                                 );
 390                         else
 391                                 printf ( \
 392                                                 "| %3d%%   %6.1f   %6.1f Kb\n", \
 393                                                 percentage_occupied, free_size / k_bytes, total_size / k_bytes \
 394                                                 );
 395                 }
 396         }   # if
 397 }'