For educational reasons I've decided to create my own CA. Here is what I learned.
Lets get some context first.
// Usage: | |
// p(instance)('privateMethod)(arg1, arg2, arg3) | |
class PrivateMethodCaller(x: AnyRef, methodName: String) { | |
def apply(_args: Any*): Any = { | |
val args = _args.map(_.asInstanceOf[AnyRef]) | |
def _parents: Stream[Class[_]] = Stream(x.getClass) #::: _parents.map(_.getSuperclass) | |
val parents = _parents.takeWhile(_ != null).toList | |
val methods = parents.flatMap(_.getDeclaredMethods) | |
val method = methods.find(_.getName == methodName).getOrElse(throw new IllegalArgumentException("Method " + methodName + " not found")) |
#!/bin/bash | |
# remove exited containers: | |
docker ps --filter status=dead --filter status=exited -aq | xargs -r docker rm -v | |
# remove unused images: | |
docker images --no-trunc | grep '<none>' | awk '{ print $3 }' | xargs -r docker rmi | |
# remove unused volumes: | |
find '/var/lib/docker/volumes/' -mindepth 1 -maxdepth 1 -type d | grep -vFf <( |