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#!/usr/bin/python
import pexpect
import re
import logging
import time
import sys
import fencing
import fence_apc
import fence_bladecenter
import fence_brocade
import fence_rsa
def check_agent(conn, options, found_prompt, prompts, test_fn, eol=None):
options["--action"] = "list"
options["--command-prompt"] = found_prompt
if any(x in options["--command-prompt"][0] for x in prompts):
options["--command-prompt"] = prompts
return test_fn(conn, options)
return False
def get_list(conn, options, found_prompt, prompts, list_fn, eol=None):
def test_fn(conn, options):
if len(list_fn(conn, options)) > 0:
return True
else:
return False
return check_agent(conn, options, found_prompt, prompts, test_fn, eol)
""" *************************** MAIN ******************************** """
def detect_login_telnet(options):
options["--ipport"] = 23
re_login_string = r"([\r\n])((?!Last )login\s*:)|((?!Last )Login Name: )|(username: )|(User Name :)"
re_login = re.compile(re_login_string, re.IGNORECASE)
re_pass = re.compile("(password)|(pass phrase)", re.IGNORECASE)
options["eol"] = "\r\n"
conn = fencing.fspawn(options, options["--telnet-path"])
conn.send("set binary\n")
conn.send("open %s -%s\n"%(options["--ip"], options["--ipport"]))
conn.log_expect(re_login, int(options["--login-timeout"]))
conn.send_eol(options["--username"])
## automatically change end of line separator
screen = conn.read_nonblocking(size=100, timeout=int(options["--shell-timeout"]))
if re_login.search(screen) != None:
options["eol"] = "\n"
conn.send_eol(options["--username"])
conn.log_expect(re_pass, int(options["--login-timeout"]))
elif re_pass.search(screen) == None:
conn.log_expect(re_pass, int(options["--shell-timeout"]))
try:
conn.send_eol(options["--password"])
valid_password = conn.log_expect([re_login] + \
[pexpect.TIMEOUT], int(options["--shell-timeout"]))
if valid_password == 0:
## password is invalid or we have to change EOL separator
options["eol"] = "\r"
conn.send_eol("")
screen = conn.read_nonblocking(size=100, timeout=int(options["--shell-timeout"]))
## after sending EOL the fence device can either show 'Login' or 'Password'
if re_login.search(conn.after + screen) != None:
conn.send_eol("")
conn.send_eol(options["--username"])
conn.log_expect(re_pass, int(options["--login-timeout"]))
conn.send_eol(options["--password"])
conn.log_expect(pexpect.TIMEOUT, int(options["--login-timeout"]))
except KeyError:
fencing.fail(fencing.EC_PASSWORD_MISSING)
found_cmd_prompt = guess_prompt(conn, options, conn.before)
return (found_cmd_prompt, conn)
def guess_prompt(conn, options, before=""):
time.sleep(2)
conn.send_eol("")
conn.send_eol("")
conn.log_expect(pexpect.TIMEOUT, int(options["--login-timeout"]))
lines = re.split(r'\r|\n', before + conn.before)
logging.info("Cmd-prompt candidate: %s" % (lines[-1]))
if lines.count(lines[-1]) >= 3:
found_cmd_prompt = ["\n" + lines[-1]]
else:
if lines.count(lines[-1]) == 2:
conn.log_expect(lines[-1], int(options["--shell-timeout"]))
conn.log_expect(lines[-1], int(options["--shell-timeout"]))
options["eol"] = "\r"
conn.send_eol("")
time.sleep(0.1)
conn.send_eol("")
time.sleep(0.1)
conn.send_eol("")
time.sleep(0.1)
conn.log_expect(pexpect.TIMEOUT, int(options["--login-timeout"]))
lines = re.split(r'\r|\n', conn.before)
logging.info("Cmd-prompt candidate: %s" % (lines[1]))
if lines.count(lines[-1]) >= 3:
found_cmd_prompt = ["\n" + lines[-1]]
else:
print "Unable to obtain command prompt automatically"
sys.exit(1)
else:
print "Unable to obtain command prompt automatically"
print lines[-1]
print conn.before
sys.exit(1)
conn.log_expect(found_cmd_prompt, int(options["--shell-timeout"]))
conn.log_expect(found_cmd_prompt, int(options["--shell-timeout"]))
conn.log_expect(found_cmd_prompt, int(options["--shell-timeout"]))
# Handle situation when CR/LF is interpreted as ENTER, ENTER
# In such case we will have get two additional command prompts to get on right position
res = conn.log_expect([pexpect.TIMEOUT] + found_cmd_prompt, int(options["--shell-timeout"]))
if res > 0:
# @note: store that information?
print "CMD twice"
conn.log_expect(found_cmd_prompt, int(options["--shell-timeout"]))
return found_cmd_prompt
def detect_login_ssh(options, version=2):
options["--ipport"] = 22
if version == "1":
command = '%s %s@%s -p %s -1 -c blowfish -o PubkeyAuthentication=no' % (options["--ssh-path"], options["--username"], options["--ip"], options["--ipport"])
else:
command = '%s %s@%s -p %s -o PubkeyAuthentication=no' % (options["--ssh-path"], options["--username"], options["--ip"], options["--ipport"])
conn = fencing.fspawn(options, command)
result = conn.log_expect(["ssword:", "Are you sure you want to continue connecting (yes/no)?"], int(options["--login-timeout"]))
if result == 1:
conn.send("yes\n")
conn.log_expect("ssword:", int(options["--login-timeout"]))
conn.send(options["--password"] + "\n")
found_cmd_prompt = guess_prompt(conn, options, conn.before)
return (found_cmd_prompt, conn)
def detect_device(conn, options, found_cmd_prompt):
if get_list(conn, options, found_cmd_prompt, prompts=["\n>", "\napc>"], list_fn=fence_apc.get_power_status):
fencing.fence_logout(conn, "4")
return "fence_apc # older serie"
if get_list(conn, options, found_cmd_prompt, prompts=["\n>", "\napc>"], list_fn=fence_apc.get_power_status5):
fencing.fence_logout(conn, "exit")
return "fence_apc # v5+"
## Test fence_lpar with list action (HMC version 3 and 4)
def test_lpar(conn, options):
conn.send_eol("lssyscfg; echo $?")
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
if "\n0\r\n" in conn.before:
return True
else:
return False
if check_agent(conn, options, found_cmd_prompt, [r":~>", r"]\$", r"\$ "], test_lpar):
fencing.fence_logout(conn, "quit")
return "fence_lpar # 2"
if get_list(conn, options, found_cmd_prompt, prompts=["system>"], list_fn=fence_bladecenter.get_blades_list):
fencing.fence_logout(conn, "exit")
return "fence_bladecenter #2"
if get_list(conn, options, found_cmd_prompt, prompts=["> "], list_fn=fence_brocade.get_power_status, eol="\n"):
fencing.fence_logout(conn, "exit")
return "fence_brocade #2"
if get_list(conn, options, found_cmd_prompt, prompts=["> "], list_fn=fence_rsa.get_power_status):
fencing.fence_logout(conn, "exit")
return "fence_rsa"
return None
# Test fence ilo moonshot
#cmd_possible = ["MP>", "hpiLO->"]
#options["--action"] = "list"
#options["--command-prompt"] = found_cmd_prompt
#options["eol"] = "\n"
#if any(x in options["--command-prompt"][0] for x in cmd_possible):
# options["--command-prompt"] = cmd_possible
#
# plugs = fence_ilo_moonshot.get_power_status(conn, options)
# if len(plugs) > 0:
# print "fence_ilo_moonshot # "
# fencing.fence_logout(conn, "exit")
# sys.exit(0)
def xxx():
## login mechanism as in fencing.py.py - differences is that we do not know command prompt
#logging.getLogger().setLevel(logging.DEBUG)
options = {}
options["--ssh-path"] = "/usr/bin/ssh"
options["--telnet-path"] = "/usr/bin/telnet"
# virtual machine
#options["--username"] = "marx"
#options["--ip"] = "localhost"
#options["--password"] = "batalion"
# APC
#options["--username"] = "labuser"
#options["--ip"] = "pdu-bar.englab.brq.redhat.com"
#options["--password"] = "labuser"
# LPAR
options["--username"] = "rhts"
options["--ip"] = "ppc-hmc-01.mgmt.lab.eng.bos.redhat.com"
#options["--ip"] = "ibm-js22-vios-02.rhts.eng.bos.redhat.com"
options["--password"] = "100yard-"
# Bladecenter
options["--ip"] = "blade-mm.englab.brq.redhat.com"
# Brocade
#options["--ip"] = "hp-fcswitch-01.lab.bos.redhat.com"
#options["--password"] = "password"
#options["--username"] = "admin"
# iLO Moonshot - chova sa to divne
#options["--password"] = "Access@gis"
#options["--username"] = "rcuser"
#options["--ip"] = "hp-m1500-mgmt.gsslab.pnq.redhat.com"
#options["--ip"] = "ibm-x3755-01-rsa.ovirt.rhts.eng.bos.redhat.com"
#options["--username"] = "USERID"
#options["--password"] = "PASSW0RD"
options["--login-timeout"] = "10"
options["--shell-timeout"] = "5"
options["--power-timeout"] = "10"
options["eol"] = "\r\n"
(found_cmd_prompt, conn) = detect_login_telnet(options)
#(found_cmd_prompt, conn) = detect_login_ssh(options)
res = detect_device(conn, options, found_cmd_prompt)
if not res is None:
print res
sys.exit(0)
else:
## Nothing found
sys.exit(2)
if __name__ == "__main__":
xxx()
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