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db.rake
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db.rake
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# frozen_string_literal: true
require 'pg'
require 'mustache'
require 'yaml'
require 'active_support/number_helper'
require 'dotenv'
Dotenv.load
SQL = %(
SELECT f.id, l.label AS language, f.label AS framework, c.level, k.label, avg(v.value) AS value
FROM frameworks AS f
JOIN metrics AS m ON f.id = m.framework_id
JOIN values AS v ON v.id = m.value_id
JOIN concurrencies AS c on c.id = m.concurrency_id
JOIN languages AS l on l.id = f.language_id
JOIN keys AS k ON k.id = v.key_id
GROUP BY 1,2,3,4,5
)
def compute(data)
errors = data['http_errors'].to_d
duration = data['duration_ms'].to_d / 1_000_000
requests = data['total_requests'].to_d
(requests - errors) / duration
end
namespace :db do
task :export do
raise 'Please provide a database' unless ENV['DATABASE_URL']
frameworks = {}
db = PG.connect(ENV['DATABASE_URL'])
db.exec(SQL) do |result|
result.each do |row|
id, framework, language = row.values_at('id', 'framework', 'language')
unless frameworks.key?(id)
frameworks[id] = {
language: language,
framework: framework,
metrics: { concurrency_64: {}, concurrency_256: {}, concurrency_512: {} }
}
end
framework_config = YAML.safe_load(File.read(File.join(language, framework, 'config.yaml')))
language_config = YAML.safe_load(File.read(File.join(language, 'config.yaml')))
key = "concurrency_#{row['level']}".to_sym
frameworks[id][:metrics][key].merge!(row['label'] => row['value'])
frameworks[id].merge!(framework_config['framework'].transform_keys!(&'framework_'.method(:+)))
frameworks[id].merge!(language_config['provider']['default'].transform_keys!(&'language_'.method(:+)))
if framework_config['framework'].key?('framework_name')
frameworks[id].merge!(framework: framework_config['framework']['framework_name'])
end
scheme = 'https'
scheme = 'http' if framework_config['framework'].key?('unsecure')
website = if framework_config['framework'].key?('framework_github')
"github.com/#{framework_config['framework']['framework_github']}"
elsif framework_config['framework'].key?('framework_gitlab')
"gitlab.com/#{framework_config['framework']['framework_gitlab']}"
else
(framework_config['framework']['framework_website']).to_s
end
frameworks[id].merge!(framework_website: "#{scheme}://#{website}")
end
end
db.close
template = File.read('README.mustache.md')
results = []
frameworks.each do |id, row|
concurrency = compute(row[:metrics][:concurrency_64])
if concurrency.nan?
warn "Skipped #{row[:framework]} - Failure"
next
end
if concurrency.zero?
warn "Skipped #{row[:framework]} - O requests OK"
next
end
row.merge!(
id: id.to_i,
concurrency_64: compute(row[:metrics][:concurrency_64]),
concurrency_256: compute(row[:metrics][:concurrency_256]),
concurrency_512: compute(row[:metrics][:concurrency_512])
)
results << row
end
c = 0
results.sort! { |x, y| y[:concurrency_64].to_f <=> x[:concurrency_64].to_f }.map do |row|
c += 1
row.merge!(
id: c,
concurrency_64: ActiveSupport::NumberHelper.number_to_delimited('%.2f' % row[:concurrency_64], delimiter: ' '),
concurrency_256: ActiveSupport::NumberHelper.number_to_delimited('%.2f' % row[:concurrency_256],
delimiter: ' '),
concurrency_512: ActiveSupport::NumberHelper.number_to_delimited('%.2f' % row[:concurrency_512], delimiter: ' ')
)
end
File.open('README.md', 'w') do |f|
f.write(Mustache.render(template, { results: results, date: Date.today, docker_version: `docker --version` }))
end
end
task :raw_export do
raise 'Please provide a database' unless ENV['DATABASE_URL']
data = {metrics: [], frameworks: [], languages: [] }
db = PG.connect(ENV['DATABASE_URL'])
db.exec("select row_to_json(t) from (#{SQL}) as t") do |result|
result.each do |row|
info = JSON.parse(row['row_to_json'], symbolize_names: true)
framework_id = info.delete :id
info[:framework_id] = framework_id
language = info.delete :language
framework = info.delete :framework
framework_config = YAML.safe_load(File.read(File.join(language, framework, 'config.yaml')))
language_config = YAML.safe_load(File.read(File.join(language, 'config.yaml')))
scheme = 'https'
scheme = 'http' if framework_config['framework'].key?('unsecure')
website = if framework_config['framework'].key?('github')
"github.com/#{framework_config['framework']['github']}"
elsif framework_config['framework'].key?('gitlab')
"gitlab.com/#{framework_config['framework']['gitlab']}"
else
(framework_config['framework']['website']).to_s
end
unless data[:frameworks].map{|row|row[:id]}.to_a.include?(framework_id)
data[:frameworks] << {
id: framework_id,
version: framework_config.dig('framework', 'version'),
label: framework,
language: language,
website: scheme + "://" + website
}
end
unless data[:languages].map{|row|row[:label]}.to_a.include?(language)
data[:languages] << {
label: language,
version: language_config.dig('provider', 'default', 'language')
}
end
data[:metrics] << info
next
end
end
data.merge!(updated_at: Time.now.utc)
File.open('data.json','w').write(JSON.pretty_generate(data))
File.open('data.min.json','w').write(data.to_json)
end
end