def install_okagent(remote_host,username,password=None, domain=None, install_method=None):
''' Installs an okagent to remote host using either winexe or ssh method
Args:
remote_host -- Hostname/IPAddress of remote host
username -- Username to use
password -- Password to use. If None, try to use ssh keys
install_method -- Use either "winexe" or "ssh". Leave empty for autodetect.
Returns:
exit_status,stdout,stderr
'''
if not install_method or install_method == '':
if network_scan.check_tcp(remote_host, 22, timeout=5):
install_method = 'ssh'
elif network_scan.check_tcp(remote_host, 445, timeout=5):
install_method = 'winexe'
if install_method == 'ssh':
return install_nrpe(remote_host=remote_host,username=username, password=password)
elif install_method == 'winexe':
return install_nsclient(remote_host=remote_host,username=username, password=password, domain=domain)
raise OKConfigError("Cannot connect to %s on port 22 or 445. No install method available" % (remote_host))
def discover_inet(host_name, service):
# Check if we have already checked this
if discovery_cache['inet'].has_key("%s,%s" % (host_name, service)):
return discovery_cache['inet']["%s,%s" % (host_name, service)]
# services come in 25/tcp or 53/udp
port, proto = service.split("/", 1)
# Do the actual scan
scan_result = network_scan.check_tcp(host_name, int(port))
# Let's cache it
discovery_cache['inet']["%s,%s" % (host_name, service)] = scan_result
return scan_result
def install_nsclient(remote_host, domain, username, password):
""" Logs into remote (windows) host and installs NSClient.
Args:
remote_host -- Hostname/IPAddress of remote host
username -- Name of a user with administrative privileges on the remote host
password -- Password to use
domain -- Windows Domain
Returns:
True if operation was successful. Otherwise False
"""
if not network_scan.check_tcp(remote_host, 445, timeout=5):
raise OKConfigError('Cannot reach remote_host on port 445, aborting...')
result = pynag.Utils.runCommand("%s/install_nsclient.sh '%s' --domain '%s' --user '%s' --password '%s'" % (config.nsclient_installfiles,remote_host,domain,username,password))
return result
def install_nrpe(remote_host, username, password=None):
""" Logs into remote (unix) host and install nrpe-client.
Args:
remote_host -- Hostname/IPAddress of remote host
username -- Username to use
password -- Password to use. If None, try to use ssh keys
Returns:
True if operation was successful.
"""
if not network_scan.check_tcp(remote_host, 22, timeout=5):
raise OKConfigError('Cannot reach remote_host on port 22, aborting...')
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy( paramiko.AutoAddPolicy() )
ssh.connect(remote_host, username=username, password=password)
# Try a test command on the remote server to see if we are connected
test_command = 'echo -e connection test'
chan = ssh.get_transport().open_session()
chan.exec_command( test_command )
exit_status = chan.recv_exit_status()
stdout = chan.recv(-1).strip()
stderr = chan.recv_stderr(-1).strip()
if exit_status != 0:
ssh.close()
raise OKConfigError('Exit code %s when trying to run test command\noutput: %s\nstderr: %s' % (chan.exit_status, stdout,stderr) )
# Uploading install script to remote server
sftp = ssh.open_sftp()
sftp.put(config.install_nrpe_script, 'install_nrpe.sh')
# Executing remote script
# We need to do some hoola-hoops to get the exit code
chan = ssh.get_transport().open_session()
chan.exec_command('bash install_nrpe.sh')
exit_status = chan.recv_exit_status()
stdout = chan.recv(-1).strip()
stderr = chan.recv_stderr(-1).strip()
return exit_status,stdout,stderr
def install_nsclient(remote_host, domain, username, password):
""" Logs into remote (windows) host and installs NSClient.
Args:
remote_host -- Hostname/IPAddress of remote host
username -- Name of a user with administrative privileges on the remote host
password -- Password to use
Returns:
True if operation was successful. Otherwise False
"""
if not network_scan.check_tcp(remote_host, 445, timeout=5):
raise OKConfigError('Cannot reach remote_host on port 445, aborting...')
# Try to authenticate with remote host and run a test command
authcommand = 'winexe --reinstall -U "%s/%s%%%s" "//%s" "cmd /c echo test"' % (domain,username,password,remote_host)
result = helper_functions.runCommand(authcommand)
if result[0] != 0:
raise OKConfigError('Cannot authenticate')
result = helper_functions.runCommand("%s/install_nsclient.sh '%s' --domain '%s' --user '%s' --password '%s'" % (config.nsclient_installfiles,remote_host,domain,username,password))
return result
