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/*
* =========================================================================================
* Copyright © 2013-2014 the kamon project <http://kamon.io/>
*
* 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 kamon.system
import akka.actor.ActorLogging
import org.hyperic.sigar._
import scala.util.control.NoStackTrace
trait SystemMetricsBanner {
self: ActorLogging ⇒
def printBanner(sigar: Sigar) = {
val os = OperatingSystem.getInstance
def loadAverage(sigar: Sigar) = try {
val average = sigar.getLoadAverage
(average(0), average(1), average(2))
} catch {
case s: org.hyperic.sigar.SigarNotImplementedException ⇒ (0d, 0d, 0d)
}
def uptime(sigar: Sigar) = {
def formatUptime(uptime: Double): String = {
var retval: String = ""
val days: Int = uptime.toInt / (60 * 60 * 24)
var minutes: Int = 0
var hours: Int = 0
if (days != 0) {
retval += s"$days ${if (days > 1) "days" else "day"}, "
}
minutes = uptime.toInt / 60
hours = minutes / 60
hours %= 24
minutes %= 60
if (hours != 0) {
retval += hours + ":" + minutes
} else {
retval += minutes + " min"
}
retval
}
val uptime = sigar.getUptime
val now = System.currentTimeMillis()
s"up ${formatUptime(uptime.getUptime)}"
}
val message =
"""
|
| _____ _ __ __ _ _ _ _ _
| / ____| | | | \/ | | | (_) | | | | | |
|| (___ _ _ ___| |_ ___ _ __ ___ | \ / | ___| |_ _ __ _ ___ ___| | ___ __ _ __| | ___ __| |
| \___ \| | | / __| __/ _ \ '_ ` _ \| |\/| |/ _ \ __| '__| |/ __/ __| | / _ \ / _` |/ _` |/ _ \/ _` |
| ____) | |_| \__ \ || __/ | | | | | | | | __/ |_| | | | (__\__ \ |___| (_) | (_| | (_| | __/ (_| |
||_____/ \__, |___/\__\___|_| |_| |_|_| |_|\___|\__|_| |_|\___|___/______\___/ \__,_|\__,_|\___|\__,_|
| __/ |
| |___/
|
| [System Status] [OS Information]
| |--------------------------------| |----------------------------------------|
| Up Time: %-10s Description: %s
| Load Average: %-16s Name: %s
| Version: %s
| Arch: %s
|
""".stripMargin.format(uptime(sigar), os.getDescription, loadAverage(sigar), os.getName, os.getVersion, os.getArch)
log.info(message)
}
class UnexpectedSigarException(message: String) extends RuntimeException(message) with NoStackTrace
}
|
