<!--
  ~ Copyright 2018-present Open Networking Foundation
  ~
  ~ 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.
  -->
<scenario name="rolling-upgrade" description="ONOS cluster rolling upgrade">
    <import file="${ONOS_SCENARIOS}/dist-setup.xml"/>
    <dependency name="Distributed-Primitives-Setup"/>

    <group name="Upgrade" requires="Distributed-Primitives-Setup">
        <step name="Push-Bits" exec="onos-push-bits-through-proxy" if="${OCT}"/>

        <group name="Perform-Upgrade">
            <sequential var="${OC#}"
                        starts="Stop-Service-${#}"
                        ends="Wait-for-Start-${#-1}">
                <step name="Stop-Service-${#}"
                      exec="onos-service ${OC#} stop"/>

                <step name="Wait-for-Stop-${#}"
                      exec="onos-wait-for-stop ${OC#}"
                      requires="~Stop-Service-${#}"/>

                <step name="Uninstall-${#}"
                      exec="onos-uninstall ${OC#}"
                      requires="~Wait-for-Stop-${#}"/>

                <step name="Push-Bits-${#}"
                      exec="onos-push-bits ${OC#}"
                      unless="${OCT}"
                      requires="~Stop-Service-${#}"/>

                <step name="Install-Upgrade-${#}"
                      exec="onos-install -v ${OC#}"
                      requires="Push-Bits-${#},Push-Bits,Uninstall-${#}"/>

                <step name="Secure-SSH-${#}"
                      exec="onos-secure-ssh -u ${ONOS_WEB_USER} -p ${ONOS_WEB_PASS} ${OC#}"
                      requires="~Install-Upgrade-${#}"/>

                <step name="Wait-for-Start-${#}"
                      exec="onos-wait-for-start ${OC#}"
                      requires="Secure-SSH-${#}"/>

                <step name="Distributed-Primitives-Check-Apps-${#}"
                      exec="onos-check-apps ${OC#} distributedprimitives includes"
                      requires="Wait-for-Start-${#}"/>
            </sequential>
        </group>

        <group name="Verify-Upgrade" requires="Perform-Upgrade">
            <parallel var="${OC#}">
                <step name="Check-Nodes-${#}"
                      exec="onos-check-nodes ${OC#}"
                      delay="3"/>

                <step name="Check-Components-${#}"
                      exec="onos-check-components ${OC#}"
                      delay="5"
                      requires="~Check-Nodes-${#}"/>

                <step name="Check-Logs-${#}"
                      exec="onos-check-logs ${OC#}"
                      requires="~Check-Components-${#}"/>

                <step name="Check-Apps-${#}"
                      exec="onos-check-apps ${OC#} ${ONOS_APPS},distributedprimitives includes"
                      requires="~Check-Components-${#}"/>
            </parallel>
        </group>
    </group>
</scenario>