Module: GitLab::Exporter::Utils

Defined in:
lib/gitlab_exporter/util.rb

Overview

Helper methods, some stuff was copied from ActiveSupport

Class Method Summary collapse

Class Method Details

.camel_case_string(str) ⇒ Object 



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# File 'lib/gitlab_exporter/util.rb', line 26

def camel_case_string(str)
  str.gsub(/(?:_|^)([a-z\d]*)/i) { $1.capitalize } # rubocop:disable Style/PerlBackrefs
end

.deep_symbolize_hash_keys(hash) ⇒ Object 



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# File 'lib/gitlab_exporter/util.rb', line 31

def deep_symbolize_hash_keys(hash)
  deep_transform_keys_in_object(hash, &:to_sym)
end

.deep_transform_keys_in_object(object, &block) ⇒ Object 



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# File 'lib/gitlab_exporter/util.rb', line 36

def deep_transform_keys_in_object(object, &block)
  case object
  when Hash
    object.keys.each do |key|
      value = object.delete(key)
      object[yield(key)] = deep_transform_keys_in_object(value, &block)
    end
    object
  when Array
    object.map! { |e| deep_transform_keys_in_object(e, &block) }
  else
    object
  end
end

.exec_pgrep(pattern) ⇒ Object 



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# File 'lib/gitlab_exporter/util.rb', line 61

def exec_pgrep(pattern)
  `pgrep -fl "#{pattern}"`
end

.pgrep(pattern) ⇒ Object 



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# File 'lib/gitlab_exporter/util.rb', line 52

def pgrep(pattern)
  # pgrep will include the PID of the shell, so strip that out
  exec_pgrep(pattern).split("\n").each_with_object([]) do |line, arr|
    pid, name = line.split(" ")
    arr << pid if name != "sh"
  end
end

.system_uptime ⇒ Object 



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# File 'lib/gitlab_exporter/util.rb', line 66

def system_uptime
  File.read("/proc/uptime").split(" ")[0].to_f
end

.wrap_in_array(object) ⇒ Object 



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# File 'lib/gitlab_exporter/util.rb', line 71

def wrap_in_array(object)
  if object.nil?
    []
  elsif object.respond_to?(:to_ary)
    object.to_ary || [object]
  else
    [object]
  end
end