logback config for per host log files in pallet 0.8

gistfile1.xml

  <appender name="SIFT" class="ch.qos.logback.classic.sift.SiftingAppender">
    <discriminator>
      <key>target</key>
      <defaultValue>unspecified</defaultValue>
    </discriminator>
    <sift>
      <appender name="FILE-${target}" class="ch.qos.logback.core.FileAppender">
        <file>logs/target-${target}.log</file>
        <append>false</append>
        <encoder>
          <pattern>%msg%n</pattern>
        </encoder>
      </appender>
    </sift>
  </appender>