jenkins/system/delete_old_containers.sh

   1 #!/bin/bash
   2 #   Copyright 2017 Sandvine
   3 #
   4 #   Licensed under the Apache License, Version 2.0 (the "License");
   5 #   you may not use this file except in compliance with the License.
   6 #   You may obtain a copy of the License at
   7 #
   8 #       http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 #   Unless required by applicable law or agreed to in writing, software
  11 #   distributed under the License is distributed on an "AS IS" BASIS,
  12 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 #   See the License for the specific language governing permissions and
  14 #   limitations under the License.
  15 #
  16 # A helper routine that cleans up old container images based
  17 # on an input prefix to check. Jenkins builds will add an incrementing
  18 # build suffix  (build number) to the prefix
  19 #
  20 #
  21 #$1 container prefix name
  22
  23 keep_number=1
  24 prefix=$1
  25
  26 # keep the first build
  27 keep=$(lxc list | grep $prefix | awk '{print $2}' | sort -rn | head -n$keep_number)
  28 for container in $(lxc list | grep $prefix | awk '{print $2}' | sort -rn); do
  29     if [ "$container" != "$keep" ]; then
  30         echo "deleting old container $container"
  31         lxc delete $container --force
  32     fi
  33 done