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