jjb/opendaylight-infra-cleanup-stale-stacks.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: EPL-1.0
   3 ##############################################################################
   4 # Copyright (c) 2017 The Linux Foundation and others.
   5 #
   6 # All rights reserved. This program and the accompanying materials
   7 # are made available under the terms of the Eclipse Public License v1.0
   8 # which accompanies this distribution, and is available at
   9 # http://www.eclipse.org/legal/epl-v10.html
  10 ##############################################################################
  11
  12 virtualenv "/tmp/v/openstack"
  13 # shellcheck source=/tmp/v/openstack/bin/activate disable=SC1091
  14 source "/tmp/v/openstack/bin/activate"
  15 pip install --upgrade pip
  16 pip install --upgrade python-openstackclient python-heatclient
  17 pip install --upgrade pipdeptree
  18 pipdeptree
  19
  20 #########################
  21 ## FETCH ACTIVE BUILDS ##
  22 #########################
  23 # Fetch stack list before fetching active builds to minimize race condition
  24 # where we might be try to delete stacks while jobs are trying to start
  25 OS_STACKS=($(openstack stack list \
  26             -f value -c "Stack Name" -c "Stack Status" \
  27             --property "stack_status=CREATE_COMPLETE" \
  28             --property "stack_status=DELETE_FAILED" \
  29             --property "stack_status=CREATE_FAILED" \
  30             | awk '{print $1}'))
  31
  32 # Make sure we fetch active builds on both the releng and sandbox silos
  33 ACTIVE_BUILDS=()
  34 for silo in releng sandbox; do
  35     JENKINS_URL="https://jenkins.opendaylight.org/$silo//computer/api/json?tree=computer[executors[currentExecutable[url]],oneOffExecutors[currentExecutable[url]]]&xpath=//url&wrapper=builds"
  36     wget -nv -O "${silo}_builds.json" "$JENKINS_URL"
  37     sleep 1  # Need to sleep for 1 second otherwise next line causes script to stall
  38     ACTIVE_BUILDS=(${ACTIVE_BUILDS[@]} $( \
  39         jq -r '.computer[].executors[].currentExecutable.url' "${silo}_builds.json" \
  40         | grep -v null | awk -F'/' '{print $4 "-" $6 "-" $7}'))
  41 done
  42
  43 ##########################
  44 ## DELETE UNUSED STACKS ##
  45 ##########################
  46 # Search for stacks that are not in use by either releng or sandbox silos and
  47 # delete them.
  48 for STACK_NAME in "${OS_STACKS[@]}"; do
  49     STACK_STATUS=$(openstack stack show -f value -c "stack_status" "$STACK_NAME")
  50     if [[ "${ACTIVE_BUILDS[*]}" =~ $STACK_NAME ]]; then
  51         # No need to delete stacks if there exists an active build for them
  52         continue
  53     else
  54         case "$STACK_STATUS" in
  55             DELETE_IN_PROGRESS)
  56                 echo "skipping delete, $STACK_NAME is already DELETE in progress."
  57                 continue
  58             ;;
  59             DELETE_FAILED)
  60                 echo "Stack delete failed, trying to stack abandon now."
  61                 openstack stack abandon "$STACK_NAME"
  62                 STACK_SHOW=$(openstack stack show "$STACK_NAME")
  63                 echo "$STACK_SHOW"
  64                 continue
  65             ;;
  66             CREATE_COMPLETE|CREATE_FAILED)
  67                 echo "Deleting orphaned stack: $STACK_NAME"
  68                 openstack stack delete --yes "$STACK_NAME"
  69                 continue
  70             ;;
  71             *)
  72                 continue
  73             ;;
  74         esac
  75     fi
  76 done