Added check_hydra

Makefile

 LIBEXECDIR = /usr/local/nagios/libexec/
 SCRIPTS = check_cups check_glsa check_saned check_lpd check_hddtemp \
 	check_link_status check_true check_lysrdiff check_syslog \
-	check_ping check_enodia_monitored check_hostextinfo
+	check_ping check_enodia_monitored check_hostextinfo \
+	check_hydra
 
 all:;
 

check_hydra

+#!/usr/bin/env python
+
+import sys
+import socket
+
+import pcl_expect
+import pcl_expect.telnet
+
+def debug(s):
+    print s
+
+#pcl_expect.debug = debug
+
+def critical(msg):
+    print "CRITICAL - %s" % msg
+    sys.exit(2)
+
+def warning(msg):
+    print "WARNING - %s" % msg
+    sys.exit(1)
+
+def ok(msg):
+    print "OK - %s" % msg
+    sys.exit(0)
+
+def check_hydra(hydra, hostname):
+    try:
+        t = pcl_expect.telnet.Telnet(hydra, 'telnet')
+    except socket.gaierror, err:
+        critical("looking up %s: %s" % (hydra, err[1]))
+    except socket.error, err:
+        critical("connecting to %s: %s" % (hydra, err[1]))
+
+    t.send(hostname + '\n')
+
+    x = pcl_expect.Controller()
+    while x.loop():
+        if x.re(t, "%s\r?\n" % hostname):
+            break
+        elif x.timeout():
+            critical("no echo of hostname while talking to %s" % hydra)
+
+    x = pcl_expect.Controller()
+    while x.loop():
+        if x.re(t, "Attached to port [0-9]*\r?\n"):
+            break
+        elif x.re(t, "busy, do you wish to wait.*: "):
+            # FIXME: Only warn after an hour.
+            warning("port busy")
+        elif x.re(t, "Rotaries Defined:"):
+            critical("unexpected output from hydra: %s" % repr(t.consumed))
+        elif x.eof(t):
+            critical("unexpected EOF from telnet")
+        elif x.timeout():
+            critical("unexpected timeout while talking to the hydra")
+
+    t.send("\025") # Ctrl-U.
+    t.send("\n")
+
+    x = pcl_expect.Controller()
+    while x.loop():
+        if x.re(t, "%s .*login: " % hostname):
+            ok(repr(t.consumed.strip()))
+        elif x.timeout():
+            critical("timeout while waiting for login prompt")
+
+if __name__ == '__main__':
+    check_hydra(sys.argv[1], sys.argv[2])