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
|
# frozen_string_literal: true
class ChaosController < ActionController::Base
before_action :validate_chaos_secret, unless: :development_or_test?
def leakmem
do_chaos :leak_mem, Chaos::LeakMemWorker, memory_mb, duration_s
end
def cpu_spin
do_chaos :cpu_spin, Chaos::CpuSpinWorker, duration_s
end
def db_spin
do_chaos :db_spin, Chaos::DbSpinWorker, duration_s, interval_s
end
def sleep
do_chaos :sleep, Chaos::SleepWorker, duration_s
end
def kill
do_chaos :kill, Chaos::KillWorker, 'KILL'
end
def quit
do_chaos :kill, Chaos::KillWorker, 'QUIT'
end
def gc
gc_stat = Gitlab::Chaos.run_gc
render json: {
worker_id: ::Prometheus::PidProvider.worker_id,
gc_stat: gc_stat
}
end
private
def do_chaos(method, worker, *args)
if async
worker.perform_async(*args)
else
Gitlab::Chaos.public_send(method, *args) # rubocop: disable GitlabSecurity/PublicSend
end
render plain: "OK"
end
def validate_chaos_secret
unless chaos_secret_configured
render plain: "chaos misconfigured: please configure GITLAB_CHAOS_SECRET",
status: :internal_server_error
return
end
unless Devise.secure_compare(chaos_secret_configured, chaos_secret_request)
render plain: "To experience chaos, please set a valid `X-Chaos-Secret` header or `token` param",
status: :unauthorized
end
end
def chaos_secret_configured
ENV['GITLAB_CHAOS_SECRET']
end
def chaos_secret_request
request.headers["HTTP_X_CHAOS_SECRET"] || params[:token]
end
def interval_s
interval_s = params[:interval_s] || 1
interval_s.to_f.seconds
end
def duration_s
duration_s = params[:duration_s] || 30
duration_s.to_i.seconds
end
def memory_mb
memory_mb = params[:memory_mb] || 100
memory_mb.to_i
end
def async
async = params[:async] || false
Gitlab::Utils.to_boolean(async)
end
def development_or_test?
Rails.env.development? || Rails.env.test?
end
end
|
