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Contents
# frozen_string_literal: true
module Appsignal
# System environment detection module.
#
# Provides useful methods to find out more about the host system.
#
# @api private
module System
LINUX_TARGET = "linux".freeze
MUSL_TARGET = "linux-musl".freeze
FREEBSD_TARGET = "freebsd".freeze
GEM_EXT_PATH = File.expand_path("../../../ext", __FILE__).freeze
def self.heroku?
ENV.key? "DYNO".freeze
end
# Detect agent and extension platform build
#
# Used by `ext/extconf.rb` to select which build it should download and
# install.
#
# Use `export APPSIGNAL_BUILD_FOR_MUSL=1` if the detection doesn't work
# and to force selection of the musl build.
#
# @api private
# @return [String]
def self.agent_platform
return MUSL_TARGET if force_musl_build?
host_os = RbConfig::CONFIG["host_os"].downcase
local_os =
case host_os
when /#{LINUX_TARGET}/
LINUX_TARGET
when /darwin/
"darwin"
when /#{FREEBSD_TARGET}/
FREEBSD_TARGET
else
host_os
end
if local_os =~ /linux/
ldd_output = ldd_version_output
return MUSL_TARGET if ldd_output.include? "musl"
ldd_version = extract_ldd_version(ldd_output)
if ldd_version && versionify(ldd_version) < versionify("2.15")
return MUSL_TARGET
end
end
local_os
end
# Returns whether or not the musl build was forced by the user.
#
# @api private
def self.force_musl_build?
%w[true 1].include?(ENV["APPSIGNAL_BUILD_FOR_MUSL"])
end
# @api private
def self.versionify(version)
Gem::Version.new(version)
end
# @api private
def self.ldd_version_output
`ldd --version 2>&1`
end
# @api private
def self.extract_ldd_version(string)
ldd_version = string.match(/\d+\.\d+/)
ldd_version && ldd_version[0]
end
def self.jruby?
RUBY_PLATFORM == "java"
end
end
end
Version data entries
94 entries across 94 versions & 1 rubygems