gistfile1.txt

ruby test.rb internaltools.k8s.local
Warming up --------------------------------------
       kubeclient os     1.000  i/100ms
     kubeclient json     1.000  i/100ms
        faraday json     1.000  i/100ms
  faraday persistent     1.000  i/100ms
Calculating -------------------------------------
       kubeclient os      1.896  (± 0.0%) i/s -     10.000  in   5.275373s
     kubeclient json      1.907  (± 0.0%) i/s -     10.000  in   5.248037s
        faraday json      1.933  (± 0.0%) i/s -     10.000  in   5.175768s
  faraday persistent      7.135  (±14.0%) i/s -     33.000  in   5.047875s
  
  
  ruby test.rb docker-desktop
Warming up --------------------------------------
       kubeclient os     8.000  i/100ms
     kubeclient json     9.000  i/100ms
        faraday json     9.000  i/100ms
  faraday persistent    35.000  i/100ms
Calculating -------------------------------------
       kubeclient os     91.147  (± 6.6%) i/s -    456.000  in   5.029854s
     kubeclient json     91.485  (± 7.7%) i/s -    459.000  in   5.046048s
        faraday json     97.198  (± 8.2%) i/s -    486.000  in   5.037273s
  faraday persistent    340.279  (± 9.7%) i/s -      1.715k in   5.093199s

kubeclient_vs_faraday.rb

require "bundler/inline"

context = ARGV[0] || abort("Context as first argument")

gemfile do
  source "https://rubygems.org"

  gem "faraday"
#  gem "patron"
  gem "kubeclient"
  gem "benchmark-ips"
  gem "net-http-persistent-retry"
  gem "byebug"
end

require "kubeclient"
config = Kubeclient::Config.read(File.expand_path("~/.kube/config"))
context = config.context(context)

# kkubeclient
kubeclient = Kubeclient::Client.new(
  "#{context.api_endpoint}/api",
  "v1",
  ssl_options: context.ssl_options
)

# faraday
require "faraday"
faraday = [:net_http, :net_http_persistent].map do |adapter|
  Faraday.new(url: context.api_endpoint) do |builder|
    builder.adapter adapter
    builder.ssl.merge!(
      client_cert: context.ssl_options[:client_cert], # OpenSSL::X509::Certificate.new(),
      client_key: context.ssl_options[:client_key], # OpenSSL::PKey.read,
      verify: false
    )
  end
end

# patron TODO https://github.com/toland/patron/issues/173
# require "patron"
# patron = Patron::Session.new
# patron.timeout = 10
# patron.base_url = context.api_endpoint
# patron.headers['User-Agent'] = 'myapp/1.0'
# patron.ssl_client_cert = context.ssl_options[:client_cert] # OpenSSL::X509::Certificate.new(),
# patron.ssl_client_key = context.ssl_options[:client_key] # OpenSSL::PKey.read,
# patron.ssl_verify = false

require "benchmark/ips"
Benchmark.ips do |x|
  x.config time: 5, warmup: 2
  x.report("kubeclient os") { kubeclient.get_namespaces }
  x.report("kubeclient json") { kubeclient.get_namespaces as: :parsed_symbolized }
  x.report("faraday json") { JSON.parse(faraday[0].get("/api/v1/namespaces").body, symbolize_names: true) }
  x.report("faraday persistent") { JSON.parse(faraday[1].get("/api/v1/namespaces").body, symbolize_names: true) }
  # x.report("patron persistent") { JSON.parse(patron.get("/api/v1/namespaces").body, symbolize_names: true) }
end