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
|
# File 'lib/litmus_paper/cli/agent_check.rb', line 8
def parse_args(args)
options = {}
options[:pid_file] = '/tmp/litmus-agent-check.pid'
optparser = OptionParser.new do |opts|
opts.on("-s", "--service SERVICE:PORT,...", Array, "agent-check service to port mappings") do |s|
options[:services] = s
end
opts.on("-c", "--config CONFIG", "Path to litmus paper config file") do |c|
options[:litmus_paper_config] = c
end
opts.on("-p", "--pid-file PID_FILE", String, "Where to write the pid") do |p|
options[:pid_file] = p
end
opts.on("-w", "--workers WORKERS", Integer, "Number of worker processes") do |w|
options[:workers] = w
end
opts.on("-D", "--daemonize", "Daemonize the process") do |d|
options[:daemonize] = d
end
opts.on("-h", "--help", "Help text") do |h|
options[:help] = h
end
end
begin
optparser.parse! args
rescue OptionParser::InvalidOption => e
puts e
puts optparser
exit 1
end
if options[:help]
puts optparser
exit 0
end
if !options.has_key?(:services)
puts "Error: `-s SERVICE:PORT,...` required"
puts optparser
exit 1
end
if !options.has_key?(:workers) || options[:workers] <= 0
puts "Error: `-w WORKERS` required, and must be greater than 0"
puts " Use a value equal to the number of expected concurrent"
puts " agent checks from HAProxy"
puts optparser
exit 1
end
options[:services] = options[:services].reduce({}) do |memo, service|
if service.split(':').length == 2
service, port = service.split(':')
memo[port.to_i] = service
memo
else
puts "Error: Incorrect service port arg `-s SERVICE:PORT,...`"
puts optparser
exit 1
end
end
options
end
|