replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

    "calico")
      echo "Installing Calico CNI"
      install_calico "" "$(dirname "$CONFIG")"
      ;;

    "")
      # perfectly fine, we accepted the default KinD CNI
      ;;

    *)
      # we don't know what to do but we've got no CNI, return non-zero
      echo "${KUBERNETES_CNI} is not recognized. Supported options are \"calico\" or do not set the variable to use default."
      return 1

    else
      JAVACMD="$JAVA_HOME/bin/java"
    fi
  else
    JAVACMD="`which java`"
  fi
fi

if [ ! -x "$JAVACMD" ] ; then
  echo "Error: JAVA_HOME is not defined correctly." >&2
  echo "  We cannot execute $JAVACMD" >&2
  exit 1
fi

if [ -z "$JAVA_HOME" ] ; then
  echo "Warning: JAVA_HOME environment variable is not set."
fi

CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher