[seiscomp, scanloc] Install, add .gitignore

etc/init/diskmon.py

@@ -0,0 +1,57 @@
+from __future__ import print_function
+import os, sys, subprocess as sub
+import seiscomp.kernel, seiscomp.config
+
+class Module(seiscomp.kernel.Module):
+    def __init__(self, env):
+      seiscomp.kernel.Module.__init__(self, env, env.moduleName(__file__))
+
+    def start(self):
+      cfg = seiscomp.config.Config()
+      cfg.readConfig(os.path.join(self.env.SEISCOMP_ROOT, "etc", "defaults", self.name + ".cfg"))
+      cfg.readConfig(os.path.join(self.env.SEISCOMP_ROOT, "etc", self.name + ".cfg"))
+      try: cfg.readConfig(os.path.join(os.environ['HOME'], ".seiscomp", self.name + ".cfg"))
+      except: pass
+
+      run_dir = os.path.join(self.env.SEISCOMP_ROOT, "var", "run", self.name)
+      try: os.makedirs(run_dir)
+      except: pass
+
+      # Set defaults
+      threshold = 95
+      emails = []
+
+      try: threshold = cfg.getInt("threshold")
+      except: pass
+      try: emails = cfg.getStrings("emails")
+      except: pass
+
+      if len(emails) == 0:
+        sys.stderr.write("%s: warning: nothing to do, no email addresses configured\n" % self.name)
+        return 0
+
+      cmd = 'df | awk -v max="%d" \'/[0-9]%%/ { use = $5; gsub("%%", "", use); if ( int(use) > max ) print $0; }\'' % threshold
+      p = sub.Popen(['sh', '-c', cmd], stdout=sub.PIPE)
+      msg = p.stdout.read().decode()
+
+      statfile = os.path.join(run_dir, "msg_sent")
+
+      if msg.find('\n') < 0:
+        # Nothing to do
+        try: os.remove(statfile)
+        except: print("ERROR: could not remove stat file %s" % statfile)
+        return 1
+
+      # Message already sent?
+      if os.path.exists(statfile):
+        return 0
+
+      try: hostname = os.uname()[1]
+      except: hostname = 'unknown host'
+
+      msg = "The following disks at %s are nearly full:\n\n" % hostname + msg
+      try: open(statfile, "w")
+      except: print("ERROR: could not create stat file in %s" % statfile)
+
+      os.system('echo "%s" | mail -s "disk nearly full" %s' % (msg, " ".join(emails)))
+      return 0