#!/bin/bash

# Gate commits to several projects on a VM running those projects
# configured by devstack.

# Copyright (C) 2011-2012 OpenStack LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
#
# See the License for the specific language governing permissions and
# limitations under the License.

# Most of the work of this script is done in functions so that we may
# easily redirect their stdout / stderr to log files.

function function_exists {
    type $1 2>/dev/null | grep -q 'is a function'
}

# Attempt to fetch a git ref for a project, if that ref is not empty
function git_fetch_at_ref {
    local project=$1
    local ref=$2
    if [ "$ref" != "" ]; then
        git fetch $ZUUL_URL/$project $ref
        return $?
    else
        # return failing
        return 1
    fi
}

function git_checkout {
    local branch=$1
    local reset_branch=$branch

    if [[ "$branch" != "FETCH_HEAD" ]]; then
        reset_branch="remotes/origin/$branch"
    fi

    git checkout $branch
    git reset --hard $reset_branch
    if ! git clean -x -f -d -q ; then
        sleep 1
        git clean -x -f -d -q
    fi
}

function fix_etc_hosts {
    # HPcloud stopped adding the hostname to /etc/hosts with their
    # precise images.

    HOSTNAME=`/bin/hostname`
    if ! grep $HOSTNAME /etc/hosts >/dev/null; then
        echo "Need to add hostname to /etc/hosts"
        sudo bash -c 'echo "127.0.1.1 $HOSTNAME" >>/etc/hosts'
    fi

}

function fix_disk_layout {
    # HPCloud and Rackspace performance nodes provide no swap, but do
    # have ephemeral disks we can use.  HPCloud also doesn't have
    # enough space on / for two devstack installs, so we partition the
    # disk and mount it on /opt, syncing the previous contents of /opt
    # over.
    if [ `grep SwapTotal /proc/meminfo | awk '{ print $2; }'` -eq 0 ]; then
        if [ -b /dev/vdb ]; then
            DEV='/dev/vdb'
        elif [ -b /dev/xvde ]; then
            DEV='/dev/xvde'
        fi
        if [ -n "$DEV" ]; then
            sudo umount ${DEV}
            sudo parted ${DEV} --script -- mklabel msdos
            sudo parted ${DEV} --script -- mkpart primary linux-swap 0 8192
            sudo parted ${DEV} --script -- mkpart primary ext2 8192 -1
            sudo mkswap ${DEV}1
            sudo mkfs.ext4 ${DEV}2
            sudo swapon ${DEV}1
            sudo mount ${DEV}2 /mnt
            sudo rsync -a /opt/ /mnt/
            sudo umount /mnt
            sudo mount ${DEV}2 /opt
        fi
    fi
}

# do all the zuulification magic for project at a specified branch
#
# The basic logic flow is as follows:
#   if we have ``branch`` for project, check that out
#   if we don't have ``branch`` for project, change ``branch`` to master
#     and check that out
#   if the global ZUUL_BRANCH matches ``branch``, then also look for a
#     valid ZUUL_REF, and use that instead of the HEAD of the branch
#
# The end result is a tree on disk checked out at the right ref for zuul
function setup_project {
    local project=$1
    local branch=$2
    local short_project=`basename $project`

    echo "Setting up $project @ $branch"
    if [[ ! -e $short_project ]]; then
        echo "  Need to clone $short_project"
        git clone https://git.openstack.org/$project
    fi
    cd $short_project

    git remote set-url origin https://git.openstack.org/$project

    if [ -n "$OVERRIDE_ZUUL_BRANCH" ] ; then
        OVERRIDE_ZUUL_REF=$(echo $ZUUL_REF | sed -e "s,$branch,$OVERRIDE_ZUUL_BRANCH,")
    fi

    MAX_ATTEMPTS=3
    COUNT=0
    # Attempt a git remote update. Run for up to 5 minutes before killing.
    # If first SIGTERM does not kill the process wait a minute then SIGKILL.
    # If update fails try again for up to a total of 3 attempts.
    until timeout -k 1m 5m git remote update; do
        COUNT=$(($COUNT + 1))
        echo "git remote update failed."
        if [ $COUNT -eq $MAX_ATTEMPTS ]; then
            exit 1
        fi
        SLEEP_TIME=$((30 + $RANDOM % 60))
        echo "sleep $SLEEP_TIME before retrying."
        sleep $SLEEP_TIME
    done

    # Ensure that we don't have stale remotes around
    git remote prune origin
    # See if this project has this branch, if not, use master
    FALLBACK_ZUUL_REF=""
    if ! git branch -a |grep remotes/origin/$branch>/dev/null; then
        branch=master
        FALLBACK_ZUUL_REF=$(echo $ZUUL_REF | sed -e "s,$branch,master,")
    fi

    # See if we should check out a Zuul ref
    if [ "$ZUUL_BRANCH" == "$branch" ]; then
        # See if Zuul prepared a ref for this project
        if git_fetch_at_ref $project $OVERRIDE_ZUUL_REF || \
            git_fetch_at_ref $project $ZUUL_REF || \
            git_fetch_at_ref $project $FALLBACK_ZUUL_REF; then

            # It's there, so check it out.
            git_checkout FETCH_HEAD
        else
              if [ "$project" == "$ZUUL_PROJECT" ]; then
                  echo "Unable to find ref $ZUUL_REF for $project"
                  exit 1
              fi
              git_checkout $branch
        fi
    else
          # We're ignoring Zuul refs
        git_checkout $branch
    fi
}

function re_exec_devstack_gate {
    export RE_EXEC="true"
    echo "This build includes a change to devstack-gate; re-execing this script."
    exec $WORKSPACE/devstack-gate/devstack-vm-gate-wrap.sh
}

function setup_workspace {
    local base_branch=$1
    local DEST=$2

    # Enabled detailed logging, since output of this function is redirected
    set -o xtrace

    fix_disk_layout

    sudo mkdir -p $DEST
    sudo chown -R jenkins:jenkins $DEST

    # The vm template update job should cache the git repos
    # Move them to where we expect:
    if ls ~/workspace-cache/*; then
      rsync -a ~/workspace-cache/ $DEST/
    fi

    echo "Using branch: $base_branch"
    for PROJECT in $PROJECTS; do
        cd $DEST
        setup_project $PROJECT $base_branch
    done
    # It's important we are back at DEST for the rest of the script
    cd $DEST

    # The vm template update job should cache some images in ~/files.
    # Move them to where devstack expects:
    if [ "$(ls ~/cache/files/* 2>/dev/null)" ]; then
      rsync -a ~/cache/files/ $DEST/devstack/files/
    fi

    # Disable detailed logging as we return to the main script
    set +o xtrace
}

function select_mirror {

    if [ "$DEVSTACK_GATE_REQS_INTEGRATION" -eq "0" ]; then

        ORG=$(dirname $ZUUL_PROJECT)
        SHORT_PROJECT=$(basename $ZUUL_PROJECT)
        $DEVSTACK_GATE_SELECT_MIRROR $ORG $SHORT_PROJECT

        sudo cp ~/.pydistutils.cfg ~root/.pydistutils.cfg
        sudo cp ~/.pydistutils.cfg ~stack/.pydistutils.cfg
        sudo chown stack:stack ~stack/.pydistutils.cfg
        sudo cp ~/.pydistutils.cfg ~tempest/.pydistutils.cfg
        sudo chown tempest:tempest ~tempest/.pydistutils.cfg

        sudo -u stack mkdir -p ~stack/.pip
        sudo -u root mkdir -p ~root/.pip
        sudo -u tempest mkdir -p ~tempest/.pip

        sudo -u root cp ~/.pip/pip.conf ~root/.pip/pip.conf
        sudo cp ~/.pip/pip.conf ~stack/.pip/pip.conf
        sudo chown stack:stack ~stack/.pip/pip.conf
        sudo cp ~/.pip/pip.conf ~tempest/.pip/pip.conf
        sudo chown tempest:tempest ~tempest/.pip/pip.conf
    fi
}

function setup_host {
    # Enabled detailed logging, since output of this function is redirected
    set -o xtrace

    # This is necessary to keep sudo from complaining
    fix_etc_hosts

    # Move the PIP cache into position:
    sudo mkdir -p /var/cache/pip
    sudo mv ~/cache/pip/* /var/cache/pip

    # Start with a fresh syslog
    sudo stop rsyslog
    sudo mv /var/log/syslog /var/log/syslog-pre-devstack
    sudo mv /var/log/kern.log /var/log/kern_log-pre-devstack
    sudo touch /var/log/syslog
    sudo chown /var/log/syslog --ref /var/log/syslog-pre-devstack
    sudo chmod /var/log/syslog --ref /var/log/syslog-pre-devstack
    sudo chmod a+r /var/log/syslog
    sudo touch /var/log/kern.log
    sudo chown /var/log/kern.log --ref /var/log/kern_log-pre-devstack
    sudo chmod /var/log/kern.log --ref /var/log/kern_log-pre-devstack
    sudo chmod a+r /var/log/kern.log
    sudo start rsyslog

    # We set some home directories under $BASE, make sure it exists.
    sudo mkdir $BASE
    # Create a stack user for devstack to run as, so that we can
    # revoke sudo permissions from that user when appropriate.
    sudo useradd -U -s /bin/bash -d $BASE/new -m stack
    TEMPFILE=`mktemp`
    echo "stack ALL=(root) NOPASSWD:ALL" >$TEMPFILE
    chmod 0440 $TEMPFILE
    sudo chown root:root $TEMPFILE
    sudo mv $TEMPFILE /etc/sudoers.d/50_stack_sh

    # Create a tempest user for tempest to run as, so that we can
    # revoke sudo permissions from that user when appropriate.
    # NOTE(sdague): we should try to get the state dump to be a
    # neutron API call in Icehouse to remove this.
    sudo useradd -U -s /bin/bash -d $BASE/new/tempest -m tempest
    TEMPFILE=`mktemp`
    echo "tempest ALL=(root) NOPASSWD:/sbin/ip" >$TEMPFILE
    echo "tempest ALL=(root) NOPASSWD:/sbin/iptables" >>$TEMPFILE
    chmod 0440 $TEMPFILE
    sudo chown root:root $TEMPFILE
    sudo mv $TEMPFILE /etc/sudoers.d/51_tempest_sh

    # Future useradd calls should strongly consider also updating
    # ~/.pip/pip.conf and ~/.pydisutils.cfg in the select_mirror function if
    # tox/pip will be used at all.

    # If we will be testing OpenVZ, make sure stack is a member of the vz group
    if [ "$DEVSTACK_GATE_VIRT_DRIVER" == "openvz" ]; then
        sudo usermod -a -G vz stack
    fi

    if [ -f $DEVSTACK_GATE_SELECT_MIRROR ] ; then
        select_mirror
    fi
    # Disable detailed logging as we return to the main script
    set +o xtrace
}

function cleanup_host {
    # Enabled detailed logging, since output of this function is redirected
    set -o xtrace

    cd $WORKSPACE
    # No matter what, archive logs

    # Sleep to give services a chance to flush their log buffers.
    sleep 2

    sudo cp /var/log/syslog $WORKSPACE/logs/syslog.txt
    sudo cp /var/log/kern.log $WORKSPACE/logs/kern_log.txt
    mkdir $WORKSPACE/logs/rabbitmq/
    sudo cp /var/log/rabbitmq/* $WORKSPACE/logs/rabbitmq/
    mkdir $WORKSPACE/logs/sudoers.d/

    sudo cp /etc/sudoers.d/* $WORKSPACE/logs/sudoers.d/
    sudo cp /etc/sudoers $WORKSPACE/logs/sudoers.txt

    if [ -d $BASE/old ]; then
      mkdir -p $WORKSPACE/logs/old/
      mkdir -p $WORKSPACE/logs/new/
      mkdir -p $WORKSPACE/logs/grenade/
      sudo cp $BASE/old/screen-logs/* $WORKSPACE/logs/old/
      sudo cp $BASE/old/devstacklog.txt $WORKSPACE/logs/old/
      sudo cp $BASE/old/devstack/localrc $WORKSPACE/logs/old/localrc.txt
      sudo cp $BASE/logs/* $WORKSPACE/logs/
      sudo cp $BASE/new/grenade/localrc $WORKSPACE/logs/grenade/localrc.txt
      NEWLOGTARGET=$WORKSPACE/logs/new
    else
      NEWLOGTARGET=$WORKSPACE/logs
    fi
    sudo cp $BASE/new/screen-logs/* $NEWLOGTARGET/
    sudo cp $BASE/new/devstacklog.txt $NEWLOGTARGET/
    sudo cp $BASE/new/devstack/localrc $NEWLOGTARGET/localrc.txt

    sudo iptables-save > $WORKSPACE/logs/iptables.txt
    df -h> $WORKSPACE/logs/df.txt

    pip freeze > $WORKSPACE/logs/pip-freeze.txt

    # Process testr artifacts.
    if [ -f $BASE/new/tempest/.testrepository/0 ]; then
        sudo cp $BASE/new/tempest/.testrepository/0 $WORKSPACE/subunit_log.txt
        sudo python /usr/local/jenkins/slave_scripts/subunit2html.py $WORKSPACE/subunit_log.txt $WORKSPACE/testr_results.html
        sudo gzip -9 $WORKSPACE/subunit_log.txt
        sudo gzip -9 $WORKSPACE/testr_results.html
        sudo chown jenkins:jenkins $WORKSPACE/subunit_log.txt.gz $WORKSPACE/testr_results.html.gz
        sudo chmod a+r $WORKSPACE/subunit_log.txt.gz $WORKSPACE/testr_results.html.gz
    elif [ -f $BASE/new/tempest/.testrepository/tmp* ]; then
        # If testr timed out, collect temp file from testr
        sudo cp $BASE/new/tempest/.testrepository/tmp* $WORKSPACE/subunit_log.txt
        sudo gzip -9 $WORKSPACE/subunit_log.txt
        sudo chown jenkins:jenkins $WORKSPACE/subunit_log.txt.gz
        sudo chmod a+r $WORKSPACE/subunit_log.txt.gz
    fi

    if [ -f $BASE/new/tempest/tempest.log ] ; then
        sudo cp $BASE/new/tempest/tempest.log $WORKSPACE/logs/tempest.log
    fi

    # Make sure jenkins can read all the logs
    sudo chown -R jenkins:jenkins $WORKSPACE/logs/
    sudo chmod a+r $WORKSPACE/logs/

    rename 's/\.log$/.txt/' $WORKSPACE/logs/*
    rename 's/(.*)/$1.txt/' $WORKSPACE/logs/sudoers.d/*
    rename 's/\.log$/.txt/' $WORKSPACE/logs/rabbitmq/*

    mv $WORKSPACE/logs/rabbitmq/startup_log \
       $WORKSPACE/logs/rabbitmq/startup_log.txt

    # Remove duplicate logs
    rm $WORKSPACE/logs/*.*.txt

    if [ -d $BASE/old ]; then
        rename 's/\.log$/.txt/' $WORKSPACE/logs/old/*
        rename 's/\.log$/.txt/' $WORKSPACE/logs/new/*
        rename 's/\.log$/.txt/' $WORKSPACE/logs/grenade/*
        rm $WORKSPACE/logs/old/*.*.txt
        rm $WORKSPACE/logs/new/*.*.txt
    fi

    # Compress all text logs
    find $WORKSPACE/logs -iname '*.txt' -execdir gzip -9 {} \+
    find $WORKSPACE/logs -iname '*.dat' -execdir gzip -9 {} \+

    # Save the tempest nosetests results
    sudo cp $BASE/new/tempest/nosetests*.xml $WORKSPACE/
    sudo chown jenkins:jenkins $WORKSPACE/nosetests*.xml
    sudo chmod a+r $WORKSPACE/nosetests*.xml

    # Disable detailed logging as we return to the main script
    set +o xtrace
}

PROJECTS="openstack-dev/devstack $PROJECTS"
PROJECTS="openstack-dev/grenade $PROJECTS"
PROJECTS="openstack-dev/pbr $PROJECTS"
PROJECTS="openstack-infra/jeepyb $PROJECTS"
PROJECTS="openstack-infra/pypi-mirror $PROJECTS"
PROJECTS="openstack/ceilometer $PROJECTS"
PROJECTS="openstack/cinder $PROJECTS"
PROJECTS="openstack/glance $PROJECTS"
PROJECTS="openstack/heat $PROJECTS"
PROJECTS="openstack/horizon $PROJECTS"
PROJECTS="openstack/ironic $PROJECTS"
PROJECTS="openstack/keystone $PROJECTS"
PROJECTS="openstack/neutron $PROJECTS"
PROJECTS="openstack/nova $PROJECTS"
PROJECTS="openstack/oslo.config $PROJECTS"
PROJECTS="openstack/oslo.messaging $PROJECTS"
PROJECTS="openstack/python-ceilometerclient $PROJECTS"
PROJECTS="openstack/python-cinderclient $PROJECTS"
PROJECTS="openstack/python-glanceclient $PROJECTS"
PROJECTS="openstack/python-heatclient $PROJECTS"
PROJECTS="openstack/python-ironicclient $PROJECTS"
PROJECTS="openstack/python-keystoneclient $PROJECTS"
PROJECTS="openstack/python-neutronclient $PROJECTS"
PROJECTS="openstack/python-novaclient $PROJECTS"
PROJECTS="openstack/python-openstackclient $PROJECTS"
PROJECTS="openstack/python-savannaclient $PROJECTS"
PROJECTS="openstack/python-swiftclient $PROJECTS"
PROJECTS="openstack/requirements $PROJECTS"
PROJECTS="openstack/savanna $PROJECTS"
PROJECTS="openstack/savanna-dashboard $PROJECTS"
PROJECTS="openstack/swift $PROJECTS"
PROJECTS="openstack/tempest $PROJECTS"


export BASE=/opt/stack

# The URL from which to fetch ZUUL references
export ZUUL_URL=${ZUUL_URL:-http://zuul.openstack.org/p}

# Set this variable to skip updating the devstack-gate project itself.
# Useful in development so you can edit scripts in place and run them
# directly.  Do not set in production.
# Normally not set, and we do include devstack-gate with the rest of
# the projects.
if [ -z "$SKIP_DEVSTACK_GATE_PROJECT" ]; then
    PROJECTS="openstack-infra/devstack-gate $PROJECTS"

    # Also, if we're testing devstack-gate, re-exec this script once so
    # that we can test the new version of it.
    if [[ $ZUUL_CHANGES =~ "openstack-infra/devstack-gate" ]] && [[ $RE_EXEC != "true" ]]; then
        echo "This build includes a change to devstack-gate; updating working copy."
        # Since we're early in the script, we need to update the d-g
        # copy in the workspace, not $DEST, which is what will be
        # updated later.
        setup_project openstack-infra/devstack-gate master
        cd $WORKSPACE

        re_exec_devstack_gate
    fi
fi

# Make a directory to store logs
rm -rf logs
mkdir -p logs

# Set to 1 to run the Tempest test suite
export DEVSTACK_GATE_TEMPEST=${DEVSTACK_GATE_TEMPEST:-0}

# Set to 1 to run the devstack exercises
export DEVSTACK_GATE_EXERCISES=${DEVSTACK_GATE_EXERCISES:-0}

# Set to 1 to run postgresql instead of mysql
export DEVSTACK_GATE_POSTGRES=${DEVSTACK_GATE_POSTGRES:-0}

# Set to 1 to use zeromq instead of rabbitmq (or qpid)
export DEVSTACK_GATE_ZEROMQ=${DEVSTACK_GATE_ZEROMQ:-0}

# Set to qpid to use qpid, or zeromq to use zeromq.
# Default set to rabbitmq
export DEVSTACK_GATE_MQ_DRIVER=${DEVSTACK_GATE_MQ_DRIVER:-"rabbitmq"}

# Set to 1 to run tempest stress tests
export DEVSTACK_GATE_TEMPEST_STRESS=${DEVSTACK_GATE_TEMPEST_STRESS:-0}

# Set to 1 to run tempest heat slow tests
export DEVSTACK_GATE_TEMPEST_HEAT_SLOW=${DEVSTACK_GATE_TEMPEST_HEAT_SLOW:-0}

# Set to 1 to run tempest large ops test
export DEVSTACK_GATE_TEMPEST_LARGE_OPS=${DEVSTACK_GATE_TEMPEST_LARGE_OPS:-0}

# Set to 1 to run tempest smoke tests serially
export DEVSTACK_GATE_SMOKE_SERIAL=${DEVSTACK_GATE_SMOKE_SERIAL:-0}

# Set to 1 to explicitly enable tempest tenant isolation. Otherwise tenant isolation setting
# for tempest will be the one chosen by devstack.
export DEVSTACK_GATE_TEMPEST_ALLOW_TENANT_ISOLATION=${DEVSTACK_GATE_TEMPEST_ALLOW_TENANT_ISOLATION:-0}

# Set to 1 to enable Cinder secure delete.
# False by default to avoid dd problems on Precise.
# https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1023755
export DEVSTACK_CINDER_SECURE_DELETE=${DEVSTACK_CINDER_SECURE_DELETE:-0}

# Set to 1 to run neutron instead of nova network
# Only applicable to master branch
export DEVSTACK_GATE_NEUTRON=${DEVSTACK_GATE_NEUTRON:-0}

# Set to 1 to run nova in cells mode instead of the default mode
export DEVSTACK_GATE_CELLS=${DEVSTACK_GATE_CELLS:-0}

# Set to 1 to run ironic baremetal provisioning service.
export DEVSTACK_GATE_IRONIC=${DEVSTACK_GATE_IRONIC:-0}

# Set to 1 to run savanna
export DEVSTACK_GATE_SAVANNA=${DEVSTACK_GATE_SAVANNA:-0}

# Set to 0 to disable config_drive and use the metadata server instead
export DEVSTACK_GATE_CONFIGDRIVE=${DEVSTACK_GATE_CONFIGDRIVE:-1}

# The following variables are set for different directions of Grenade updating
# for a stable branch we want to both try to upgrade forward n => n+1 as
# well as upgrade from last n-1 => n.
#
# i.e. stable/havana:
#   DGG=1 means stable/grizzly => stable/havana
#   DGGF=1 means stable/havana => master (or stable/icehouse if that's out)
export DEVSTACK_GATE_GRENADE=${DEVSTACK_GATE_GRENADE:-0}
export DEVSTACK_GATE_GRENADE_FORWARD=${DEVSTACK_GATE_GRENADE_FORWARD:-0}

if [ "$DEVSTACK_GATE_GRENADE" -eq "1" ]; then
    export DEVSTACK_GATE_EXERCISES=1
    if [ "$ZUUL_BRANCH" == "stable/havana" ]; then
        export GRENADE_OLD_BRANCH="stable/grizzly"
        export GRENADE_NEW_BRANCH="stable/havana"
        export DEVSTACK_GATE_TEMPEST=1
    elif [ "$ZUUL_BRANCH" == "stable/icehouse" ]; then
        export GRENADE_OLD_BRANCH="stable/havana"
        export GRENADE_NEW_BRANCH="stable/icehouse"
        export DEVSTACK_GATE_TEMPEST=1
    else # master
        export GRENADE_OLD_BRANCH="stable/havana"
        export GRENADE_NEW_BRANCH="master"
        export DEVSTACK_GATE_TEMPEST=1
    fi
    # the roll forward case
elif [ "$DEVSTACK_GATE_GRENADE_FORWARD" -eq "1" ]; then
    export DEVSTACK_GATE_EXERCISES=1
    export DEVSTACK_GATE_TEMPEST=1
    if [ "$ZUUL_BRANCH" == "stable/grizzly" ]; then
        export GRENADE_OLD_BRANCH="stable/grizzly"
        export GRENADE_NEW_BRANCH="stable/havana"
    elif [ "$ZUUL_BRANCH" == "stable/havana" ]; then
        export GRENADE_OLD_BRANCH="stable/havana"
        export GRENADE_NEW_BRANCH="master"
    fi
fi

# Set the virtualization driver to: libvirt, openvz
export DEVSTACK_GATE_VIRT_DRIVER=${DEVSTACK_GATE_VIRT_DRIVER:-libvirt}

# See switch below for this -- it gets set to 1 when tempest
# is the project being gated.
export DEVSTACK_GATE_TEMPEST_FULL=${DEVSTACK_GATE_TEMPEST_FULL:-0}

# Set to enable running full tempest with testr:
export DEVSTACK_GATE_TEMPEST_TESTR_FULL=${DEVSTACK_GATE_TEMPEST_TESTR_FULL:-0}

# Set to 1 to run all tempest tests
export DEVSTACK_GATE_TEMPEST_ALL=${DEVSTACK_GATE_TEMPEST_ALL:-0}

# Set to 1 if running the openstack/requirements integration test
export DEVSTACK_GATE_REQS_INTEGRATION=${DEVSTACK_GATE_REQS_INTEGRATION:-0}

# Set this variable to override the mirror selection script. Set to a
# nonexistant location to disable mirror selection
export DEVSTACK_GATE_SELECT_MIRROR=${DEVSTACK_GATE_SELECT_MIRROR:-/usr/local/jenkins/slave_scripts/select-mirror.sh}

# Set this to the time in minutes that the gate test should be allowed
# to run before being aborted (default 60).
export DEVSTACK_GATE_TIMEOUT=${DEVSTACK_GATE_TIMEOUT:-60}

if ! function_exists "gate_hook"; then
  # the command we use to run the gate
  function gate_hook {
    timeout -s 9 ${DEVSTACK_GATE_TIMEOUT}m $BASE/new/devstack-gate/devstack-vm-gate.sh
  }
fi

echo "Triggered by: https://review.openstack.org/$ZUUL_CHANGE patchset $ZUUL_PATCHSET"
echo "Pipeline: $ZUUL_PIPELINE"
echo "IP configuration of this host:"
ip -f inet addr show

setup_host &> $WORKSPACE/logs/devstack-gate-setup-host.txt

if [ "$DEVSTACK_GATE_GRENADE" -eq "1" -o "$DEVSTACK_GATE_GRENADE_FORWARD" -eq "1" ]; then
    setup_workspace $GRENADE_NEW_BRANCH $BASE/new &> \
        $WORKSPACE/logs/devstack-gate-setup-workspace-new.txt
    setup_workspace $GRENADE_OLD_BRANCH $BASE/old &> \
        $WORKSPACE/logs/devstack-gate-setup-workspace-old.txt
else
    setup_workspace $ZUUL_BRANCH $BASE/new &> \
        $WORKSPACE/logs/devstack-gate-setup-workspace-new.txt
fi

# Run pre test hook if we have one
if function_exists "pre_test_hook"; then
  set -o xtrace
  pre_test_hook 2>&1 | tee $WORKSPACE/logs/devstack-gate-pre-test-hook.txt
  set +o xtrace
fi

# Run the gate function
gate_hook
GATE_RETVAL=$?
RETVAL=$GATE_RETVAL

# Run post test hook if we have one
if [ $GATE_RETVAL -eq 0 ] && function_exists "post_test_hook"; then
  set -o xtrace -o pipefail
  post_test_hook 2>&1 | tee $WORKSPACE/logs/devstack-gate-post-test-hook.txt
  RETVAL=$?
  set +o xtrace +o pipefail
fi

if [ $GATE_RETVAL -eq 137 ] && [ -f $WORKSPACE/gate.pid ] ; then
    GATEPID=`cat $WORKSPACE/gate.pid`
    echo "Killing process group ${GATEPID}"
    sudo kill -s 9 -${GATEPID}
fi

cleanup_host &> $WORKSPACE/logs/devstack-gate-cleanup-host.txt

exit $RETVAL