Class: GitLab::Exporter::WebExporter

Inherits:
Object
  • Object
show all
Extended by:
TLSHelper
Defined in:
lib/gitlab_exporter/web_exporter.rb

Overview

Metrics web exporter backed directly by WEBrick (no Sinatra/Rack).

Constant Summary collapse

DEFAULT_WEB_SERVER = 
"webrick".freeze
DEFAULT_LISTEN_ADDRESS = 
"0.0.0.0".freeze
DEFAULT_LISTEN_PORT = 
9168
DEFAULT_MEMORY_THRESHOLD = 
1024
SECURITY_HEADERS =

Security response headers previously added by Sinatra's Rack::Protection middleware, which is gone now that we serve directly via WEBrick. Kept for parity so scanners and consumers see the same headers as before.

{
  "X-Content-Type-Options" => "nosniff",
  "X-Frame-Options" => "SAMEORIGIN",
  "X-XSS-Protection" => "1; mode=block"
}.freeze

Constants included from TLSHelper

TLSHelper::CERT_REGEX

Class Method Summary collapse

Methods included from TLSHelper

load_ca_certs_bundle, validate_tls_config, webrick_tls_config

Class Method Details

.run! ⇒ Object 



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# File 'lib/gitlab_exporter/web_exporter.rb', line 42

def run!
  trap_signals
  @server.start
end

.setup(config) ⇒ Object 



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# File 'lib/gitlab_exporter/web_exporter.rb', line 29

def setup(config)
  server_config = config[:server] || {}

  memory_threshold = server_config.fetch(:memory_threshold, DEFAULT_MEMORY_THRESHOLD)
  @memory_threshold = memory_threshold.to_i * 1024

  @server = build_server(server_config)
  mount_probes(config[:probes])

  # Defrag heap after everything is loaded into memory.
  GC.compact
end