vz-double-resources, also works as vz-half-resources

vz-double-resources.sh

#!/bin/bash

VZ="$1"
RESOURCE="$2"

if [ -z $VZ ] || [ -z $RESOURCE ]; then
    echo "Usage: $0 VZ RESOURCE"
    exit 1
fi

case $0 in
  *-double-*) OPERATION="*2" ;;
  *-half-*)   OPERATION="/2" ;;
  *) echo "Invalid: $0" ; exit 1;;
esac

echo "# Operation: $OPERATION"

# get failures:
# awk '$NF ~ /[0-9]*[1-9]$/' /proc/bc/*/resources

if [ -f /proc/bc/$VZ/resources ] ; then
# uid  resource                     held              maxheld              barrier                limit              failcnt

  resource=$(echo $RESOURCE | tr '[:upper:]' '[:lower:]')
  awk /$resource/ /proc/bc/$VZ/resources | {
    read resource held maxheld barrier limit failcnt
    if [ -n "$resource" ]; then
      cmd="vzctl set $VZ --$resource $(($barrier $OPERATION)):$(($limit $OPERATION)) --save"
      echo $cmd
      exit
    fi
  }
fi
[[ -n "$cmd" ]] && exit
if [ -f /etc/vz/conf/$VZ.conf ] ; then
  value=$(grep -i "^$RESOURCE=" /etc/vz/conf/$VZ.conf)
  eval $value
  RESOURCE=$(echo $RESOURCE | tr '[:lower:]' '[:upper:]')
  resource=$(echo $RESOURCE | tr '[:upper:]' '[:lower:]')
  value=$(eval echo \$${RESOURCE})
  echo $value | {
    IFS=: read barrier limit
    cmd="vzctl set $VZ --$resource $(($barrier $OPERATION)):$(($limit $OPERATION)) --save"
    echo $cmd
  }
else
  echo "ERROR: container $VZ not found."
  exit 1
fi

Danke für das script :)