fiss-minit

A standalone service supervisor based on minit
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minit-graph (1009B)

      1 #!/usr/bin/python
      2 
      3 # Contributed by Tommi Virtanen <[email protected]>
      4 # Try:
      5 # minit-graph /etc/minit >foo.dot
      6 # dot -Tps -o foo.ps foo.dot
      7 # gv foo.ps
      8 
      9 # dot is part of graphviz (http://www.graphviz.org/) --fefe
     10 
     11 import os, errno, string
     12 
     13 def safe(s):
     14     r=""
     15     for c in s:
     16         if c not in "abcdefghijklmnopqrstuvwxyz0123456789_":
     17             c="_"
     18         r+=c
     19     return r
     20 
     21 import sys
     22 try:
     23     dir = sys.argv[1]
     24 except IndexError:
     25     dir = '.'
     26 
     27 print "digraph minit {"
     28 
     29 for svc in os.listdir(dir):
     30     if svc=="in" or svc=="out":
     31         continue
     32     if os.path.exists(os.path.join(dir, svc, "sync")):
     33         print "%s [shape=box];"%safe(svc)
     34     else:
     35         print "%s;"%safe(svc)
     36     try:
     37         file = open(os.path.join(dir, svc, "depends"))
     38     except IOError, e:
     39         if e.errno == errno.ENOENT:
     40             pass
     41         else:
     42             raise
     43     else:
     44         for dep in file.xreadlines():
     45             print "%s -> %s;" % (safe(svc), safe(dep.strip()))
     46         file.close()
     47 
     48 print "};"
     49