Permalink
Fetching contributors…
Cannot retrieve contributors at this time
87 lines (66 sloc) 2.77 KB
# frozen_string_literal: true
# Cloud Foundry Java Buildpack
# Copyright 2013-2018 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require 'java_buildpack/component/versioned_dependency_component'
require 'java_buildpack/framework'
module JavaBuildpack
module Framework
# Encapsulates the functionality for enabling zero-touch New Relic support.
class NewRelicAgent < JavaBuildpack::Component::VersionedDependencyComponent
# (see JavaBuildpack::Component::BaseComponent#compile)
def compile
download_jar
@droplet.copy_resources
end
# (see JavaBuildpack::Component::BaseComponent#release)
def release
credentials = @application.services.find_service(FILTER, [LICENSE_KEY, LICENSE_KEY_USER])['credentials']
java_opts = @droplet.java_opts
configuration = {}
apply_configuration(credentials, configuration)
apply_user_configuration(credentials, configuration)
write_java_opts(java_opts, configuration)
java_opts.add_javaagent(@droplet.sandbox + jar_name)
.add_system_property('newrelic.home', @droplet.sandbox)
java_opts.add_system_property('newrelic.enable.java.8', 'true') if @droplet.java_home.java_8_or_later?
end
protected
# (see JavaBuildpack::Component::VersionedDependencyComponent#supports?)
def supports?
@application.services.one_service? FILTER, [LICENSE_KEY, LICENSE_KEY_USER]
end
private
FILTER = /newrelic/
LICENSE_KEY = 'licenseKey'
LICENSE_KEY_USER = 'license_key'
private_constant :FILTER, :LICENSE_KEY, :LICENSE_KEY_USER
def apply_configuration(credentials, configuration)
configuration['log_file_name'] = 'STDOUT'
configuration[LICENSE_KEY_USER] = credentials[LICENSE_KEY]
configuration['app_name'] = @application.details['application_name']
end
def apply_user_configuration(credentials, configuration)
credentials.each do |key, value|
configuration[key] = value
end
end
def write_java_opts(java_opts, configuration)
configuration.each do |key, value|
java_opts.add_system_property("newrelic.config.#{key}", value)
end
end
end
end
end