Class: PhusionPassenger::Standalone::RuntimeLocator

Inherits:
Object
  • Object
show all
Defined in:
lib/phusion_passenger/standalone/runtime_locator.rb

Overview

Helper class for locating runtime files used by Passenger Standalone.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(runtime_dir, nginx_version = PhusionPassenger::PREFERRED_NGINX_VERSION) ⇒ RuntimeLocator

Returns a new instance of RuntimeLocator.



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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 36

def initialize(runtime_dir, nginx_version = PhusionPassenger::PREFERRED_NGINX_VERSION)
	@runtime_dir = runtime_dir || default_runtime_dir
	@nginx_version = nginx_version
end

Instance Attribute Details

#runtime_dir ⇒ Object (readonly)

Returns the value of attribute runtime_dir.



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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 34

def runtime_dir
  @runtime_dir
end

Class Method Details

.looks_like_support_dir?(dir) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 41

def self.looks_like_support_dir?(dir)
	File.exist?("#{dir}/agents/PassengerWatchdog") &&
		File.exist?("#{dir}/common/libboost_oxt.a") &&
		File.exist?("#{dir}/common/libpassenger_common/ApplicationPool2/Implementation.o")
end

Instance Method Details

#everything_installed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 108

def everything_installed?
	return find_support_dir && find_nginx_binary
end

#find_agents_dir ⇒ Object 



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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 100

def find_agents_dir
	return "#{find_support_dir}/agents"
end

#find_lib_dir ⇒ Object 



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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 104

def find_lib_dir
	return find_support_dir
end

#find_nginx_binary ⇒ Object

Returns the path to the Nginx binary that Passenger Standalone may use, or nil if not installed.



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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 76

def find_nginx_binary
	return @nginx_binary if @has_nginx_binary

	if File.exist?(config_filename)
		config = PhusionPassenger::Utils::JSON.parse(File.read(config_filename))
	else
		config = {}
	end
	if result = config["nginx_binary"]
		@nginx_binary = result
	elsif PhusionPassenger.natively_packaged? && @nginx_version == PhusionPassenger::PREFERRED_NGINX_VERSION
		@nginx_binary = "#{PhusionPassenger.lib_dir}/nginx"
	else
		filename = "#{@runtime_dir}/#{version}/nginx-#{@nginx_version}-#{cxx_compat_id}/nginx"
		if File.exist?(filename)
			@nginx_binary = filename
		else
			@nginx_binary = nil
		end
	end
	@has_nginx_binary = true
	return @nginx_binary
end

#find_support_dir ⇒ Object

Returns the directory in which Passenger Standalone support binaries are stored, or nil if not installed.



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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 53

def find_support_dir
	return @support_dir if @has_support_dir

	if PhusionPassenger.originally_packaged?
		if debugging?
			@support_dir = "#{PhusionPassenger.source_root}/buildout"
		else
			dir = "#{@runtime_dir}/#{version}/support-#{cxx_compat_id}"
			if self.class.looks_like_support_dir?(dir)
				@support_dir = dir
			else
				@support_dir = nil
			end
		end
	else
		@support_dir = PhusionPassenger.lib_dir
	end
	@has_support_dir = true
	return @support_dir
end

#install_targets ⇒ Object 



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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 112

def install_targets
	result = []
	result << :nginx if find_nginx_binary.nil?
	result << :support_binaries if find_support_dir.nil?
	return result
end

#nginx_binary_install_destination ⇒ Object

Returns the directory to which the Nginx binary may be installed, in case the RuntimeInstaller is to be invoked.



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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 135

def nginx_binary_install_destination
	return "#{@runtime_dir}/#{version}/nginx-#{@nginx_version}-#{cxx_compat_id}"
end

#reload ⇒ Object 



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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 47

def reload
	@has_support_dir = @has_nginx_binary = false
end

#support_dir_install_destination ⇒ Object

Returns the directory to which support binaries may be installed, in case the RuntimeInstaller is to be invoked.



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# File 'lib/phusion_passenger/standalone/runtime_locator.rb', line 121

def support_dir_install_destination
	if PhusionPassenger.originally_packaged?
		if debugging?
			return "#{PhusionPassenger.lib_dir}/common/libpassenger_common"
		else
			return "#{@runtime_dir}/#{version}/support-#{cxx_compat_id}"
		end
	else
		return nil
	end
end