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
|
#!/usr/bin/ruby1.8
#
# NAME
# custodian-queue - Work with the queue.
#
# SYNOPSIS
# custodian-queue [ -h | --help ]
# [ -m | --manual ]
# [ -M | --monitor ]
# [ -f | --flush ]
# [ -s | --stats ]
# [ -S | --server 1.2.3.4:123 ]
#
# OPTIONS
#
# -h, --help Show a help message, and exit.
#
# -m, --manual Show this manual, and exit.
#
# -M, --monitor Alert, via mauve, if our queue is too full.
#
# -f, --flush Flush the queue, removing all jobs.
#
# -s, --stats Show the pending jobs.
#
# -S, --server Specify the host:port for the beanstalkd queue.
#
#
# ABOUT
#
# This tool is designed to inspect the beanstalkd queue.
#
#
# AUTHOR
#
# Steve Kemp <steve@bytemark.co.uk>
#
require 'beanstalk-client'
require 'getoptlong'
#
# Entry-point to our code.
#
if __FILE__ == $0 then
$SERVER = "127.0.0.1:11300"
$FLUSH = false
$STATS = false
$help = false
$manual = false
$MONITOR = false
begin
opts = GetoptLong.new(
[ "--flush", "-f", GetoptLong::NO_ARGUMENT ],
[ "--help", "-h", GetoptLong::NO_ARGUMENT ],
[ "--manual", "-m", GetoptLong::NO_ARGUMENT ],
[ "--monitor", "-M", GetoptLong::NO_ARGUMENT ],
[ "--server", "-S", GetoptLong::REQUIRED_ARGUMENT ],
[ "--stats", "-s", GetoptLong::NO_ARGUMENT ]
)
opts.each do |opt, arg|
case opt
when "--monitor":
$MONITOR = true
when "--stats":
$STATS = true
when "--flush":
$FLUSH = true
when "--server":
$SERVER = arg
when "--help":
$help = true
when "--manual":
$manual = true
end
end
rescue StandardError => ex
puts "Option parsing failed: #{ex.to_s}"
exit
end
#
# CAUTION! Here be quality kode.
#
if $manual or $help
# Open the file, stripping the shebang line
lines = File.open(__FILE__){|fh| fh.readlines}[1..-1]
found_synopsis = false
lines.each do |line|
line.chomp!
break if line.empty?
if $help and !found_synopsis
found_synopsis = (line =~ /^#\s+SYNOPSIS\s*$/)
next
end
puts line[2..-1].to_s
break if $help and found_synopsis and line =~ /^#\s*$/
end
exit 0
end
#
# Create the object
#
queue = Beanstalk::Pool.new([$SERVER])
#
# Alerting on a queue that is too-full?
#
if ( $MONITOR )
#
# Find the number of jobs
#
stats = queue.stats()
jobs = stats['current-jobs-ready'] || 0
max = 5000
if ( jobs > max )
system( "mauvesend alert.bytemark.co.uk -i custodian -r now -s \"Our queue has #{jobs} [alert-threshold is: #{max}] in it\" --detail=\"<p>The custodian queue doesn't seem to be emptying. Is there a bug, or do we need to add more workers? See https://wiki.bytemark.co.uk/Main/CustodianMonitoring</p>\" " )
else
system( "mauvesend alert.bytemark.co.uk -i custodian -c now -s \"Our queue has #{jobs} [alert-threshold is: #{max} in it\" --detail=\"<p>The custodian queue doesn't seem to be emptying. Is there a bug, or do we need to add more workers? See https://wiki.bytemark.co.uk/Main/CustodianMonitoring</p>\" " )
end
exit( 0 )
end
#
# Showing stats?
#
if ( $STATS )
stats = queue.stats()
puts "There are #{stats['current-jobs-ready'] || 0} jobs pending."
exit( 0 )
end
#
# Are we flushing the queue?
#
if ( $FLUSH )
while( true )
begin
job = queue.reserve(1)
job.delete
rescue Beanstalk::TimedOut => ex
exit( 0 )
end
end
end
end
|
