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#!/bin/bash -x

MANAGE="/usr/local/bin/nova-manage"

function archive_deleted_rows {
    # NOTE(danms): Run this a few times to make sure that we end
    # up with nothing more to archive
    for i in `seq 30`; do
        $MANAGE $* db archive_deleted_rows --verbose --max_rows 1000
        RET=$?
        if [[ $RET -gt 1 ]]; then
            echo Archiving failed with result $RET
            return $RET
        elif [[ $RET -eq 0 ]]; then
            echo Archiving Complete
            break;
        fi
    done
}

function purge_db {
    $MANAGE db purge --all --verbose --all-cells
    RET=$?
    if [[ $RET -eq 0 ]]; then
        echo Purge successful
    else
        echo Purge failed with result $RET
        return $RET
    fi
}

BASE=${BASE:-/opt/stack}
source ${BASE}/new/devstack/functions-common
source ${BASE}/new/devstack/lib/nova
cell_conf=$(conductor_conf 1)
# NOTE(danms): We need to pass the main config to get the api db
# bits, and then also the cell config for the cell1 db (instead of
# the cell0 config that is in the main config file). Later files
# take precedence.
conf="--config-file $NOVA_CONF --config-file $cell_conf"

archive_deleted_rows $conf
purge_db

set -e
# We need to get the admin credentials to run the OSC CLIs for Placement.
set +x
source $BASE/new/devstack/openrc admin
set -x

# TODO(mriedem): Consider checking for instances in ERROR state because
# if there are any, we would expect them to retain allocations in Placement
# and therefore we don't really need to check for leaked allocations.

# Check for orphaned instance allocations in Placement which could mean
# something failed during a test run and isn't getting cleaned up properly.
echo "Looking for leaked resource provider allocations in Placement"
LEAKED_ALLOCATIONS=0
for provider in $(openstack resource provider list -c uuid -f value); do
    echo "Looking for allocations for provider $provider"
    allocations=$(openstack resource provider show --allocations $provider \
                  -c allocations -f value)
    if [[ "$allocations" != "{}" ]]; then
        echo "Resource provider has allocations:"
        openstack resource provider show --allocations $provider
        LEAKED_ALLOCATIONS=1
    fi
done

# Fail if there were any leaked allocations.
if [[ $LEAKED_ALLOCATIONS -eq 1 ]]; then
    echo "There were leaked allocations; failing."
    exit 1
fi
echo "Resource provider allocations were cleaned up properly."