Added livestatus as data source

... to conf2http (try "_livestatus" as config file name after putting
path/ip&port into conf2http.cfg)
... new command live2xml

and be a little bit more verbose in the config file of conf2http

Signed-off-by: Sven Velt <sven@velt.de>

nagixsc/__init__.py

@@ -544,3 +544,86 @@ def setup(self):
 
 ##############################################################################
 
+def prepare_socket(socket_path):
+	try:
+		if socket_path.startswith('/'):
+			s_family=socket.AF_UNIX
+			s_sockaddr = socket_path
+		elif socket_path.startswith('unix:'):
+			s_family=socket.AF_UNIX
+			s_sockaddr = socket_path[5:]
+		elif socket_path.find(':') >= 0:
+			s_port = socket_path.split(':')[-1]
+			s_host = ':'.join(socket_path.split(':')[:-1])
+			if s_host.startswith('[') and s_host.endswith(']'):
+				s_host = s_host[1:-1]
+			(s_family, s_socktype, s_proto, s_canonname, s_sockaddr) = socket.getaddrinfo(s_host, s_port, 0, socket.SOCK_STREAM)[0]
+		else:
+			return None
+	except:
+		return None
+
+	return (s_family, s_sockaddr)
+
+
+def read_socket(s_opts, commands):
+	# print '%20s => %s %s' % (sock, s_family, s_sockaddr)
+
+	s = socket.socket(s_opts[0], socket.SOCK_STREAM)
+	s.connect(s_opts[1])
+	for line in commands:
+		if not line.endswith('\n'):
+			line += '\n'
+		s.send(line)
+	s.shutdown(socket.SHUT_WR)
+
+	answer = ''
+	try:
+		while True:
+			s.settimeout(10)
+			data = s.recv(32768)
+			if data:
+				answer += data
+			else:
+				break
+	except socket.timeout:
+		return ''
+
+	return answer
+
+
+def livestatus2dict(s_opts, host=None, service=None):
+	checks = []
+
+	# Get host information only if NO service specified
+	if not service:
+		commands = []
+		commands.append('GET hosts\n')
+		commands.append('Columns: name state plugin_output long_plugin_output last_check\n')
+		if host:
+			commands.append('Filter: name = %s' % host)
+		answer = read_socket(s_opts, commands)
+
+		for line in answer.split('\n')[:-1]:
+			line = line.split(';')
+			checks.append({'host_name':line[0], 'service_description':None, 'returncode':line[1], 'output':'\n'.join([line[2], line[3]]).rstrip(), 'timestamp':str(line[4])})
+
+	# Get service information(s)
+	commands = []
+	commands.append('GET services\n')
+	commands.append('Columns: host_name description state plugin_output long_plugin_output last_check\n')
+	if host:
+		commands.append('Filter: host_name = %s' % host)
+	if service:
+		commands.append('Filter: description = %s' % service)
+
+	answer = read_socket(s_opts, commands)
+
+	for line in answer.split('\n')[:-1]:
+		line = line.split(';')
+		checks.append({'host_name':line[0], 'service_description':line[1], 'returncode':line[2], 'output':'\n'.join([line[3], line[4]]).rstrip(), 'timestamp':str(line[5])})
+
+
+	return checks
+##############################################################################
+

nagixsc_conf2http.py

@@ -43,7 +43,8 @@
 			'ssl': False,
 			'sslcert': None,
 			'conf_dir': '',
-			'pidfile': '/var/run/nagixsc_conf2http.pid'
+			'pidfile': '/var/run/nagixsc_conf2http.pid',
+			'livestatus_socket' : None,
 		}
 
 if 'ip' in cfgread.options('server'):
@@ -80,6 +81,9 @@
 if 'pidfile' in cfgread.options('server'):
 	config['pidfile'] = cfgread.get('server', 'pidfile')
 
+if 'livestatus_socket' in cfgread.options('server'):
+	config['livestatus_socket'] = prepare_socket(cfgread.get('server', 'livestatus_socket'))
+
 
 users = {}
 for u in cfgread.options('users'):
@@ -137,14 +141,26 @@ def do_GET(self):
 			self.http_error(500, 'Config file name contains invalid characters')
 			return
 
-		check_config = read_inifile(os.path.join(config['conf_dir'], configfile))
-		if not check_config:
-			self.http_error(500, 'Could not read config file "%s"' % configfile)
-			return
+		# Just be sure it exists
+		checks = None
+
+		# If config file name starts with "_" it's something special
+		if not configfile.startswith('_'):
+			# Try to read config file, execute checks
+			check_config = read_inifile(os.path.join(config['conf_dir'], configfile))
+			if not check_config:
+				self.http_error(500, 'Could not read config file "%s"' % configfile)
+				return
+			checks = conf2dict(check_config, host, service)
+
+		elif configfile=='_livestatus.conf' and config['livestatus_socket']:
+			# Read mk-livestatus and translate into XML
+			checks = livestatus2dict(config['livestatus_socket'], host, service)
+
 
-		checks = conf2dict(check_config, host, service)
+		# No check results? No (good) answer...
 		if not checks:
-			self.http_error(500, 'No checks executed')
+			self.http_error(500, 'No check results')
 			return
 
 		self.send_response(200)

nagixsc_live2xml.py

@@ -0,0 +1,75 @@
+#!/usr/bin/python
+
+import optparse
+import sys
+
+##############################################################################
+
+from nagixsc import *
+
+##############################################################################
+
+parser = optparse.OptionParser()
+
+parser.add_option('-s', '', dest='socket', help='Livestatus socket to connect')
+parser.add_option('-o', '', dest='outfile', help='Output file name, "-" for STDOUT or HTTP POST URL')
+parser.add_option('-e', '', dest='encoding', help='Encoding ("%s")' % '", "'.join(available_encodings()) )
+parser.add_option('-H', '', dest='host', help='Hostname/section to search for in config file')
+parser.add_option('-D', '', dest='service', help='Service description to search for in config file (needs -H)')
+parser.add_option('-l', '', dest='httpuser', help='HTTP user name, if outfile is HTTP(S) URL')
+parser.add_option('-a', '', dest='httppasswd', help='HTTP password, if outfile is HTTP(S) URL')
+parser.add_option('-v', '', action='count', dest='verb', help='Verbose output')
+
+parser.set_defaults(socket=None)
+parser.set_defaults(outfile='-')
+parser.set_defaults(encoding='base64')
+parser.set_defaults(host=None)
+parser.set_defaults(service=None)
+parser.set_defaults(verb=0)
+
+(options, args) = parser.parse_args()
+
+##############################################################################
+
+if not options.socket:
+	print 'No socket specified!\n'
+	parser.print_help()
+	sys.exit(1)
+
+if not check_encoding(options.encoding):
+	print 'Wrong encoding method "%s"!' % options.encoding
+	print 'Could be one of: "%s"' % '", "'.join(available_encodings())
+	sys.exit(1)
+
+##############################################################################
+
+# Prepare socket
+s_opts = prepare_socket(options.socket)
+
+# Read informations from livestatus
+checks = livestatus2dict(s_opts, options.host, options.service)
+
+# Convert to XML
+xmldoc = xml_from_dict(checks, options.encoding)
+
+# Output
+if options.outfile.startswith('http'):
+	(headers, body) = encode_multipart(xmldoc, options.httpuser, options.httppasswd)
+
+	try:
+		response = urllib2.urlopen(urllib2.Request(options.outfile, body, headers)).read()
+	except urllib2.HTTPError, error:
+		print error
+		sys.exit(6)
+	except urllib2.URLError, error:
+		print error.reason[1]
+		sys.exit(7)
+
+	print response
+
+elif options.outfile == '-':
+	xmldoc.saveFormatFile('-', format=1)
+
+else:
+	xmldoc.saveFile(options.outfile)
+

sample-configs/conf2http.cfg

@@ -1,16 +1,55 @@
 ; Lines starting with "#" are defaults
 
 [server]
+; ### ip (0.0.0.0) ###
+; IP to bind server
 #ip: 0.0.0.0
+
+; ### port (15666) ###
+; Port to bind server
 #port: 15666
+
+; ### ssl (false) ###
+; Use SSL for server communication
 #ssl: false
-#sslcert: server.pem
 
+; ### sslcert (no default) ###
+; Read server key and certificate from this file
+;
+; Example
+;sslcert: server.pem
+
+; ### conf_dir (no default) ###
+; Directory where your config files are stored
+;
+; Absolute file names recommended, but for quick start it is set relative
+; to the source directory
 conf_dir: ./sample-configs/conf
 
+; ### pidfile (/var/run/nagixsc_conf2http.pid) ###
+; Where to store pid file if daemonizing
+;
 #pidfile: /var/run/nagixsc_conf2http.pid
 
+; ### livestatus_socket (no default) ###
+; Query mk-livestatus (http://mathias-kettner.de/checkmk_livestatus.html)
+; "livestatus_socket" could be
+;   - local path and filename of socket ("/var/lib/nagios3/rw/live.sock")
+;   - IPv4 address and port ("127.0.0.1:6557")
+;   - IPv6 address and port ("[::1]:6557" or "::1:6557")
+;   - DNS resolvable name and port ("localhost:6557") - could be IPv4 *or* IPv6!
+;
+; Examples:
+;livestatus_socket: /var/lib/nagios3/rw/live.sock
+;livestatus_socket: /usr/local/nagios/var/rw/live
+;livestatus_socket: 127.0.0.1:6557
+;livestatus_socket: [::1]:6557
+;livestatus_socket: localhost:6557
+livestatus_socket: 172.21.254.99:6557
+
 [users]
+; All users who are allowed to connect and request informations are stored here.
+; Passwords must be md5 encrypted, for example in shell use:
 ; echo -n "Password" | md5sum -
 nagixsc: 019b0966d98fb71d1a4bc4ca0c81d5cc ; PW: nagixsc