icinga2/contrib/icinga2-discover-agent.cmake

85 lines
2.6 KiB
CMake

#!/usr/bin/env python
# Icinga 2
# Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
from __future__ import print_function
import socket, ssl, sys, json, os, hashlib, time
def warning(*objs):
print(*objs, file=sys.stderr)
if len(sys.argv) < 2:
warning("Syntax: %s <host> [<port>]" % (sys.argv[0]))
sys.exit(1)
host = sys.argv[1]
if len(sys.argv) > 2:
port = int(sys.argv[2])
else:
port = 5665
agentpki = "@CMAKE_INSTALL_FULL_SYSCONFDIR@/icinga2/pki/agent"
keyfile = agentpki + "/agent.key"
certfile = agentpki + "/agent.crt"
cafile = agentpki + "/ca.crt"
if not os.path.isfile(certfile):
warning("Certificate file (" + certfile + ") not found.")
warning("Make sure the agent certificates are set up properly.")
sys.exit(1)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# require a certificate from the server
ssl_sock = ssl.wrap_socket(s,
keyfile=keyfile,
certfile=certfile,
ca_certs=cafile,
cert_reqs=ssl.CERT_REQUIRED)
ssl_sock.connect((host, port))
cn = None
subject = ssl_sock.getpeercert()["subject"]
for prdn in subject:
rdn = prdn[0]
if rdn[0] == "commonName":
cn = rdn[1]
if cn == None:
warning("Agent certificate does not have a commonName:", repr(subject))
sys.exit(1)
ssl_sock.close()
repository_file = "@CMAKE_INSTALL_FULL_LOCALSTATEDIR@/lib/icinga2/api/repository/" + hashlib.sha256(cn).hexdigest()
fp = open(repository_file, "w")
repository_info = { "endpoint": cn, "seen": time.time(), "zone": cn, "repository": {} }
json.dump(repository_info, fp)
fp.close()
peer_file = "@CMAKE_INSTALL_FULL_LOCALSTATEDIR@/lib/icinga2/agent/repository/" + hashlib.sha256(cn).hexdigest() + ".peer"
fp = open(peer_file, "w")
peer_info = { "agent_host": host, "agent_port": port }
json.dump(peer_info, fp)
fp.close()
print("Inventory information has been updated for agent '%s'." % (cn))
sys.exit(0)