summaryrefslogtreecommitdiffstats
path: root/agents/apc/fence_apc.py
blob: 3ea0f37d658d68569fb479c95ddbacc130267636 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
#!@PYTHON@ -tt

#####
##
## The Following Agent Has Been Tested On:
##
##  Model       Firmware
## +---------------------------------------------+
##  AP7951	AOS v2.7.0, PDU APP v2.7.3
##  AP7941      AOS v3.5.7, PDU APP v3.5.6
##  AP9606	AOS v2.5.4, PDU APP v2.7.3
##
## @note: ssh is very slow on AP79XX devices protocol (1) and
##        cipher (des/blowfish) have to be defined
#####

import sys, re, time
import logging
import atexit
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
from fencing import fail, fail_usage, EC_STATUS

# Fix for connection timed out issue in:
# https://bugzilla.redhat.com/show_bug.cgi?id=1342584
TIMEDOUT_DELAY = 0.5

def get_power_status(conn, options):
	exp_result = 0
	outlets = {}

	conn.send_eol("1")
	conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))

	version = 0
	admin = 0
	switch = 0

	if None != re.compile('.* MasterSwitch plus.*', re.IGNORECASE | re.S).match(conn.before):
		switch = 1
		if None != re.compile('.* MasterSwitch plus 2', re.IGNORECASE | re.S).match(conn.before):
			if "--switch" not in options:
				fail_usage("Failed: You have to enter physical switch number")
		else:
			if "--switch" not in options:
				options["--switch"] = "1"

	if None == re.compile('.*Outlet Management.*', re.IGNORECASE | re.S).match(conn.before):
		version = 2
	else:
		version = 3

	if None == re.compile('.*Outlet Control/Configuration.*', re.IGNORECASE | re.S).match(conn.before):
		admin = 0
	else:
		admin = 1

	if switch == 0:
		if version == 2:
			if admin == 0:
				conn.send_eol("2")
			else:
				conn.send_eol("3")
		else:
			conn.send_eol("2")
			conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
			conn.send_eol("1")
	else:
		conn.send_eol(options["--switch"])

	while True:
		exp_result = conn.log_expect(
				["Press <ENTER>"] + options["--command-prompt"], int(options["--shell-timeout"]))
		lines = conn.before.split("\n")
		show_re = re.compile(r'(^|\x0D)\s*(\d+)- (.*?)\s+(ON|OFF)\s*')
		for line in lines:
			res = show_re.search(line)
			if res != None:
				outlets[res.group(2)] = (res.group(3), res.group(4))
		time.sleep(TIMEDOUT_DELAY)
		conn.send_eol("")
		if exp_result != 0:
			break
	conn.send(chr(0o3))
	conn.log_expect("- Logout", int(options["--shell-timeout"]))
	conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))

	if ["list", "monitor"].count(options["--action"]) == 1:
		return outlets
	else:
		try:
			(_, status) = outlets[options["--plug"]]
			return status.lower().strip()
		except KeyError as e:
			logging.error("Failed: {}".format(str(e)))
			fail(EC_STATUS)

def set_power_status(conn, options):
	action = {
		'on' : "1",
		'off': "2"
	}[options["--action"]]

	conn.send_eol("1")
	conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))

	version = 0
	admin2 = 0
	admin3 = 0
	switch = 0

	if None != re.compile('.* MasterSwitch plus.*', re.IGNORECASE | re.S).match(conn.before):
		switch = 1
		## MasterSwitch has different schema for on/off actions
		action = {
			'on' : "1",
			'off': "3"
		}[options["--action"]]
		if None != re.compile('.* MasterSwitch plus 2', re.IGNORECASE | re.S).match(conn.before):
			if "--switch" not in options:
				fail_usage("Failed: You have to enter physical switch number")
		else:
			if "--switch" not in options:
				options["--switch"] = 1

	if None == re.compile('.*Outlet Management.*', re.IGNORECASE | re.S).match(conn.before):
		version = 2
	else:
		version = 3

	if None == re.compile('.*Outlet Control/Configuration.*', re.IGNORECASE | re.S).match(conn.before):
		admin2 = 0
	else:
		admin2 = 1

	if switch == 0:
		if version == 2:
			if admin2 == 0:
				conn.send_eol("2")
			else:
				conn.send_eol("3")
		else:
			conn.send_eol("2")
			conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
			if None == re.compile('.*2- Outlet Restriction.*', re.IGNORECASE | re.S).match(conn.before):
				admin3 = 0
			else:
				admin3 = 1
			conn.send_eol("1")
	else:
		conn.send_eol(options["--switch"])

	while 0 == conn.log_expect(
			["Press <ENTER>"] + options["--command-prompt"], int(options["--shell-timeout"])):
		time.sleep(TIMEDOUT_DELAY)
		conn.send_eol("")

	conn.send_eol(options["--plug"]+"")
	conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))

	if switch == 0:
		if admin2 == 1:
			conn.send_eol("1")
			conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
		if admin3 == 1:
			conn.send_eol("1")
			conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
	else:
		conn.send_eol("1")
		conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))

	conn.send_eol(action)
	conn.log_expect("Enter 'YES' to continue or <ENTER> to cancel :", int(options["--shell-timeout"]))
	conn.send_eol("YES")
	conn.log_expect("Press <ENTER> to continue...", int(options["--power-timeout"]))
	time.sleep(TIMEDOUT_DELAY)
	conn.send_eol("")
	conn.log_expect(options["--command-prompt"], int(options["--power-timeout"]))
	conn.send(chr(0o3))
	conn.log_expect("- Logout", int(options["--shell-timeout"]))
	conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))

def get_power_status5(conn, options):
	outlets = {}

	conn.send_eol("olStatus all")

	conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
	lines = conn.before.split("\n")

	show_re = re.compile(r'^\s*(\d+): (.*): (On|Off)\s*$', re.IGNORECASE)

	for line in lines:
		res = show_re.search(line)
		if res != None:
			outlets[res.group(1)] = (res.group(2), res.group(3))

	if ["list", "monitor"].count(options["--action"]) == 1:
		return outlets
	else:
		try:
			(_, status) = outlets[options["--plug"]]
			return status.lower().strip()
		except KeyError as e:
			logging.error("Failed: {}".format(str(e)))
			fail(EC_STATUS)

def set_power_status5(conn, options):
	action = {
		'on' : "olOn",
		'off': "olOff"
	}[options["--action"]]

	conn.send_eol(action + " " + options["--plug"])
	conn.log_expect(options["--command-prompt"], int(options["--power-timeout"]))

def main():
	device_opt = ["ipaddr", "login", "passwd", "cmd_prompt", "secure", \
			"port", "switch", "telnet"]

	atexit.register(atexit_handler)

	all_opt["cmd_prompt"]["default"] = ["\n>", "\napc>"]
	all_opt["ssh_options"]["default"] = "-1 -c blowfish"

	options = check_input(device_opt, process_input(device_opt))

	docs = {}
	docs["shortdesc"] = "Fence agent for APC over telnet/ssh"
	docs["longdesc"] = "fence_apc is an I/O Fencing agent \
which can be used with the APC network power switch. It logs into device \
via telnet/ssh  and reboots a specified outlet. Lengthy telnet/ssh connections \
should be avoided while a GFS cluster  is  running  because  the  connection \
will block any necessary fencing actions."
	docs["vendorurl"] = "http://www.apc.com"
	show_docs(options, docs)

	## Support for --plug [switch]:[plug] notation that was used before
	if (("--plug" in options) == 1) and (-1 != options["--plug"].find(":")):
		(switch, plug) = options["--plug"].split(":", 1)
		options["--switch"] = switch
		options["--plug"] = plug

	##
	## Operate the fencing device
	####
	conn = fence_login(options)

	## Detect firmware version (ASCII menu vs command-line interface)
	## and continue with proper action
	####
	result = -1
	firmware_version = re.compile(r'\s*v(\d)*\.').search(conn.before)
	if (firmware_version != None) and (firmware_version.group(1) in [ "5", "6", "7" ]):
		result = fence_action(conn, options, set_power_status5, get_power_status5, get_power_status5)
	else:
		result = fence_action(conn, options, set_power_status, get_power_status, get_power_status)

	fence_logout(conn, "4")
	sys.exit(result)

if __name__ == "__main__":
	main()