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Contents
require 'ddtrace/ext/runtime'
module Datadog
module Runtime
# For control groups
module Cgroup
LINE_REGEX = /^(\d+):([^:]*):(.+)$/
Descriptor = Struct.new(
:id,
:groups,
:path,
:controllers
)
module_function
def descriptors(process = 'self')
[].tap do |descriptors|
begin
filepath = "/proc/#{process}/cgroup"
if File.exist?(filepath)
File.open("/proc/#{process}/cgroup").each do |line|
line = line.strip
descriptors << parse(line) unless line.empty?
end
end
rescue StandardError => e
Datadog::Tracer.log.error("Error while parsing cgroup. Cause: #{e.message} Location: #{e.backtrace.first}")
end
end
end
def parse(line)
id, groups, path = line.scan(LINE_REGEX).first
Descriptor.new(id, groups, path).tap do |descriptor|
descriptor.controllers = groups.split(',') unless groups.nil?
end
end
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems