forked from tackley/guardian-configuration
/
GuardianConfigurationStrategy.scala
100 lines (75 loc) · 3.76 KB
/
GuardianConfigurationStrategy.scala
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/*
* Copyright 2010 Guardian News and Media
*
* 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.
*/
package com.gu.conf
import com.gu.conf.impl._
import org.slf4j.Logger
import org.slf4j.LoggerFactory
private[conf] class GuardianConfigurationStrategy(
val loader: PropertiesLoader = new PropertiesLoader,
val setup: SetupConfiguration = new SetupConfiguration) {
private final val LOG: Logger = LoggerFactory.getLogger(classOf[GuardianConfigurationStrategy])
LOG.info("INT_SERVICE_DOMAIN: " + setup.getServiceDomain)
def getConfiguration(applicationName: String, webappConfDirectory: String): Configuration = {
LOG.info("Configuring application {} using classpath configuration directory {}", applicationName, webappConfDirectory)
val properties = CompositeConfiguration.from(
getDeveloperAccountOverrideProperties(applicationName),
getOperationsProperties(applicationName),
getDeveloperStageBasedProperties(webappConfDirectory),
getDeveloperServiceDomainBasedProperties(webappConfDirectory),
getDeveloperCommonProperties(webappConfDirectory),
getSystemProperties)
val placeholderProcessed = new PlaceholderProcessingConfiguration(properties)
LOG.info("Configured webapp {} with properties:\n\n{}", applicationName, placeholderProcessed)
placeholderProcessed
}
def getDeveloperAccountOverrideProperties(applicationName: String) = {
val home = System getProperty "user.home"
val location = "file://%s/.gu/%s.properties".format(home, applicationName)
LOG.info("Loading developer account override properties from " + location)
val properties = loader getPropertiesFrom location
new PropertiesBasedConfiguration(location, properties)
}
def getOperationsProperties(applicationName: String) = {
val location = "file:///etc/gu/%s.properties" format applicationName
LOG.info("Loading operations properties from " + location)
val properties = loader getPropertiesFrom location
new PropertiesBasedConfiguration(location, properties)
}
def getDeveloperStageBasedProperties(confPrefix: String) = {
val stage = setup.getStage
val location = "classpath:%s/%s.properties".format(confPrefix, stage)
LOG.info("Loading developer stage based properties from " + location)
val properties = loader getPropertiesFrom location
new PropertiesBasedConfiguration(location, properties)
}
def getDeveloperServiceDomainBasedProperties(confPrefix: String) = {
val serviceDomain = setup.getServiceDomain
val location = String.format("classpath:%s/%s.properties", confPrefix, serviceDomain)
LOG.info("Loading developer service domain based properties from " + location)
val properties = loader getPropertiesFrom location
new PropertiesBasedConfiguration(location, properties)
}
def getDeveloperCommonProperties(webappConfDirectory: String) = {
val location = "classpath:%s/global.properties" format webappConfDirectory
LOG.info("Loading developer common properties from " + location)
val properties = loader getPropertiesFrom location
new PropertiesBasedConfiguration(location, properties)
}
def getSystemProperties = {
LOG.info("Loading system properties")
new PropertiesBasedConfiguration("System", System.getProperties())
}
}