*** Settings ***
-Documentation Test reconciliation of chained groups and flows after switch is restart.
-Suite Setup Initialization Phase
-Suite Teardown Final Phase
-Library XML
-Library OperatingSystem
-Library RequestsLibrary
-Resource ../../../libraries/MininetKeywords.robot
-Resource ../../../libraries/FlowLib.robot
-Resource ../../../libraries/Utils.robot
-Variables ../../../variables/Variables.py
+Documentation Test reconciliation of chained groups and flows after switch connection and controller are restarted.
+
+Library RequestsLibrary
+Resource ../../../libraries/ClusterManagement.robot
+Resource ../../../libraries/TemplatedRequests.robot
+Resource ../../../libraries/MininetKeywords.robot
+Resource ../../../libraries/FlowLib.robot
+Resource ../../../libraries/Utils.robot
+Resource ../../../variables/Variables.robot
+Resource ../../../variables/openflowplugin/Variables.robot
+
+Suite Setup Initialization Phase
+Suite Teardown Final Phase
+
*** Variables ***
-${XmlsDir} ${CURDIR}/../../../variables/xmls
-${groupfile1} g4.xml
-${groupfile2} g5.xml
-${flowfile} f50.xml
+${SWITCHES} 3
+${ITER} 100
+${VAR_DIR} ${CURDIR}/../../../variables/openflowplugin
+
*** Test Cases ***
-Add Group 1 And Verify In Config Datastore
- [Documentation] Add a group and verify.
- ${body}= OperatingSystem.Get File ${XmlsDir}/${groupfile1}
- FlowLib.Add Group To Controller And Verify ${body} openflow:1 1
-
-Verify After Adding Group 1 In Operational DataStore
- [Documentation] Get the group stats in operational.
- ${elements}= BuiltIn.Create List group-statistics ref-count packet-count byte-count buckets
- ... weight group-select
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Utils.Check For Elements At URI ${OPERATIONAL_NODES_API}/node/openflow:1/group/1 ${elements}
-
-Add Group 2 And Verify In Config Datastore
- [Documentation] Add a group and verify.
- ${body}= OperatingSystem.Get File ${XmlsDir}/${groupfile2}
- FlowLib.Add Group To Controller And Verify ${body} openflow:1 2
-
-Verify After Adding Group 2 In Operational DataStore
- [Documentation] Get the group stats in operational.
- ${elements}= BuiltIn.Create List group-statistics ref-count packet-count byte-count buckets
- ... watch_group watch_port group-ff
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Utils.Check For Elements At URI ${OPERATIONAL_NODES_API}/node/openflow:1/group/2 ${elements}
-
-Add Flow And Verify In Config Datastore
- [Documentation] Add a flow pointing to the group and verify.
- ${body} OperatingSystem.Get File ${XmlsDir}/${flowfile}
- FlowLib.Add Flow To Controller And Verify ${body} openflow:1 0 1
-
-Verify After Adding Flow In Operational DataStore
- [Documentation] Get the flow stats in operational.
- ${elements}= BuiltIn.Create List group-action group-id
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Utils.Check For Elements At URI ${OPERATIONAL_NODES_API}/node/openflow:1/table/0/flow/1 ${elements}
-
-Restart Mininet
- [Documentation] Restart Mininet and verify.
- MininetKeywords.Stop Mininet And Exit ${mininet_conn_id}
- ${mininet_conn_id}= MininetKeywords.Start Mininet Single Controller
- BuiltIn.Set Suite Variable ${mininet_conn_id}
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Are Switches Connected Topo
-
-Verify Group 1 In Operational DataStore
- [Documentation] Get the group stats in operational.
- ${elements}= BuiltIn.Create List group-statistics ref-count packet-count byte-count buckets
- ... weight group-select
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Utils.Check For Elements At URI ${OPERATIONAL_NODES_API}/node/openflow:1/group/1 ${elements}
-
-Verify Group 2 In Operational DataStore
- [Documentation] Get the group stats in operational.
- ${elements}= BuiltIn.Create List group-statistics ref-count packet-count byte-count buckets
- ... watch_group watch_port group-ff
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Utils.Check For Elements At URI ${OPERATIONAL_NODES_API}/node/openflow:1/group/2 ${elements}
-
-Verify Flow In Operational DataStore
- [Documentation] Get the flow stats in operational.
- ${elements}= BuiltIn.Create List group-action group-id
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Utils.Check For Elements At URI ${OPERATIONAL_NODES_API}/node/openflow:1/table/0/flow/1 ${elements}
-
-Remove Flow And Verify In Config Datastore
- [Documentation] Remove the flow and verify.
- FlowLib.Remove Flow From Controller And Verify openflow:1 0 1
-
-Verify After Removing Flow In Operational DataStore
- [Documentation] Get the flow stats in operational.
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Utils.No Content From URI session ${OPERATIONAL_NODES_API}/node/openflow:1/table/0/flow/1
-
-Remove Group 2 And Verify In Config Datastore
- [Documentation] Remove the group and verify.
- FlowLib.Remove Group From Controller And Verify openflow:1 2
-
-Verify After Removing Group 2 In Operational DataStore
- [Documentation] Get the group stats in operational.
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Utils.No Content From URI session ${OPERATIONAL_NODES_API}/node/openflow:1/group/2
-
-Remove Group 1 And Verify In Config Datastore
- [Documentation] Remove the group and verify.
- FlowLib.Remove Group From Controller And Verify openflow:1 1
-
-Verify After Removing Group 1 In Operational DataStore
- [Documentation] Get the group stats in operational.
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Utils.No Content From URI session ${OPERATIONAL_NODES_API}/node/openflow:1/group/1
+Add Group 1 In Every Switch
+ [Documentation] Add ${ITER} groups of type 1 in every switch.
+ FOR ${switch} IN RANGE 1 ${switches+1}
+ &{mapping} BuiltIn.Create_Dictionary NODE=openflow:${switch}
+ TemplatedRequests.Post As Json Templated
+ ... folder=${VAR_DIR}/add-group-1
+ ... mapping=${mapping}
+ ... session=session
+ ... iterations=${iter}
+ END
+
+Add Group 2 In Every Switch
+ [Documentation] Add ${ITER} groups of type 2 in every switch.
+ FOR ${switch} IN RANGE 1 ${switches+1}
+ &{mapping} BuiltIn.Create_Dictionary NODE=openflow:${switch}
+ TemplatedRequests.Post As Json Templated
+ ... folder=${VAR_DIR}/add-group-2
+ ... mapping=${mapping}
+ ... session=session
+ ... iterations=${iter}
+ END
+
+Add Flow to Group 2 In Every Switch
+ [Documentation] Add ${ITER} flows to group type 2 in every switch.
+ FOR ${switch} IN RANGE 1 ${switches+1}
+ &{mapping} BuiltIn.Create_Dictionary NODE=openflow:${switch}
+ TemplatedRequests.Post As Json Templated
+ ... folder=${VAR_DIR}/add-flow
+ ... mapping=${mapping}
+ ... session=session
+ ... iterations=${ITER}
+ END
+
+Start Mininet Linear
+ [Documentation] Start Mininet Linear with ${SWITCHES} switches.
+ MininetKeywords.Start Mininet Linear ${SWITCHES}
+
+Check Linear Topology
+ [Documentation] Check Linear Topology.
+ BuiltIn.Wait Until Keyword Succeeds 30s 1s FlowLib.Check Linear Topology ${SWITCHES}
+
+Check Flows In Operational DS
+ [Documentation] Check Groups after mininet starts.
+ BuiltIn.Wait Until Keyword Succeeds 30s 1s FlowLib.Check Number Of Flows ${all_flows}
+
+Check Groups In Operational DS
+ [Documentation] Check Flows after mininet starts.
+ FlowLib.Check Number Of Groups ${all_groups}
+
+Check Flows In Switch
+ [Documentation] Check Flows after mininet starts.
+ MininetKeywords.Check Flows In Mininet ${mininet_conn_id} ${all_flows}
+
+Disconnect Mininet
+ [Documentation] Disconnect Mininet.
+ Disconnect Controller Mininet
+
+Check No Switches After Disconnect
+ [Documentation] Check no switches in topology.
+ BuiltIn.Wait Until Keyword Succeeds 30s 1s FlowLib.Check No Switches In Topology ${SWITCHES}
+
+Reconnect Mininet
+ [Documentation] Connect Mininet.
+ Disconnect Controller Mininet restore
+
+Check Linear Topology After Mininet Reconnects
+ [Documentation] Check Linear Topology.
+ BuiltIn.Wait Until Keyword Succeeds 30s 1s FlowLib.Check Linear Topology ${SWITCHES}
+
+Remove Flows And Groups After Mininet Reconnects
+ [Documentation] Remove some groups and flows while network is down.
+ FOR ${switch} IN RANGE 1 ${switches+1}
+ RequestsLibrary.DELETE On Session
+ ... session
+ ... url=${RFC8040_NODES_API}/node=openflow%3A${switch}/flow-node-inventory:table=0/flow=1
+ RequestsLibrary.DELETE On Session
+ ... session
+ ... url=${RFC8040_NODES_API}/node=openflow%3A${switch}/flow-node-inventory:group=1
+ RequestsLibrary.DELETE On Session
+ ... session
+ ... url=${RFC8040_NODES_API}/node=openflow%3A${switch}/flow-node-inventory:group=1000
+ END
+
+Check Flows In Operational DS After Mininet Reconnects
+ [Documentation] Check Flows after mininet starts.
+ BuiltIn.Wait Until Keyword Succeeds 30s 1s FlowLib.Check Number Of Flows ${less_flows}
+
+Check Groups In Operational DS After Mininet Reconnects
+ [Documentation] Check Flows after mininet starts.
+ FlowLib.Check Number Of Groups ${less_groups}
+
+Check Flows In Switch After Mininet Reconnects
+ [Documentation] Check Flows after mininet starts.
+ MininetKeywords.Check Flows In Mininet ${mininet_conn_id} ${less_flows}
+
+Restart Controller
+ [Documentation] Stop and Start controller.
+ # Try to stop contoller, if stop does not work or takes too long, kill controller.
+ ${status} ${result} BuiltIn.Run Keyword And Ignore Error ClusterManagement.Stop_Members_From_List_Or_All
+ IF '${status}' != 'PASS'
+ ClusterManagement.Kill_Members_From_List_Or_All
+ END
+ ClusterManagement.Start_Members_From_List_Or_All wait_for_sync=False
+
+Check Linear Topology After Controller Restarts
+ [Documentation] Check Linear Topology.
+ BuiltIn.Wait Until Keyword Succeeds 300s 2s FlowLib.Check Linear Topology ${SWITCHES}
+
+Check Flows In Operational DS After Controller Restarts
+ [Documentation] Check Flows after mininet starts.
+ BuiltIn.Wait Until Keyword Succeeds 30s 1s FlowLib.Check Number Of Flows ${less_flows}
+
+Check Groups In Operational DS After Controller Restarts
+ [Documentation] Check Flows after mininet starts.
+ FlowLib.Check Number Of Groups ${less_groups}
+
+Check Flows In Switch After Controller Restarts
+ [Documentation] Check Flows after mininet starts.
+ MininetKeywords.Check Flows In Mininet ${mininet_conn_id} ${less_flows}
+
+Stop Mininet
+ [Documentation] Stop Mininet.
+ MininetKeywords.Stop Mininet And Exit
+
+Check No Switches
+ [Documentation] Check no switches in topology.
+ BuiltIn.Wait Until Keyword Succeeds 5s 1s FlowLib.Check No Switches In Topology ${SWITCHES}
+
*** Keywords ***
Initialization Phase
- [Documentation] Starts mininet and verify if topology is in operational datastore.
- RequestsLibrary.Create Session session http://${ODL_SYSTEM_IP}:${RESTCONFPORT} auth=${AUTH} headers=${HEADERS_XML}
- ${mininet_conn_id}= MininetKeywords.Start Mininet Single Controller
- BuiltIn.Set Suite Variable ${mininet_conn_id}
- BuiltIn.Wait Until Keyword Succeeds 10s 1s Are Switches Connected Topo
+ [Documentation] Create controller session and set variables.
+ ClusterManagement.ClusterManagement_Setup
+ # Still need to open controller HTTP session with name session because of old FlowLib.robot library dependency.
+ RequestsLibrary.Create Session session http://${ODL_SYSTEM_IP}:${RESTCONFPORT} auth=${AUTH}
+ ${switches} Convert To Integer ${SWITCHES}
+ ${iter} Convert To Integer ${ITER}
+ ${all_groups} BuiltIn.Evaluate ${switches} * ${iter} * 2
+ ${less_groups} BuiltIn.Evaluate ${all_groups} - ${switches} * 2
+ # Stale flows/groups feature enabled in Boron onwards.
+ ${all_flows} BuiltIn.Evaluate ${switches} * ${iter+1}
+ ${less_flows} BuiltIn.Evaluate ${all_flows} - ${switches}
+ # Stale flows/groups feature enabled in Boron onwards.
+ BuiltIn.Set Suite Variable ${switches}
+ BuiltIn.Set Suite Variable ${iter}
+ BuiltIn.Set Suite Variable ${all_groups}
+ BuiltIn.Set Suite Variable ${less_groups}
+ BuiltIn.Set Suite Variable ${all_flows}
+ BuiltIn.Set Suite Variable ${less_flows}
+ BuiltIn.Set Suite Variable ${no_flows} ${SWITCHES}
Final Phase
- [Documentation] Stops mininet.
- MininetKeywords.Stop Mininet And Exit ${mininet_conn_id}
+ [Documentation] Delete all sessions.
+ ${command} BuiltIn.Set Variable sudo iptables -v -F
+ Utils.Run Command On Controller cmd=${command}
+ BuiltIn.Run Keyword And Ignore Error RequestsLibrary.DELETE On Session session url=${RFC8040_NODES_API}
RequestsLibrary.Delete All Sessions
-Are Switches Connected Topo
- [Documentation] Checks wheather switches are connected to controller
- ${resp}= RequestsLibrary.Get Request session ${OPERATIONAL_TOPO_API}/topology/flow:1 headers=${ACCEPT_XML}
- Log ${resp.content}
- ${count}= XML.Get Element Count ${resp.content} xpath=node
- Should Be Equal As Numbers ${count} 1
+Disconnect Controller Mininet
+ [Documentation] Break and restore controller to mininet connection via iptables.
+ [Arguments] ${action}=break
+ ${rule} BuiltIn.Set Variable OUTPUT -p all --source ${ODL_SYSTEM_IP} --destination ${TOOLS_SYSTEM_IP} -j DROP
+ ${command} BuiltIn.Set Variable If
+ ... '${action}'=='restore'
+ ... sudo /sbin/iptables -D ${rule}
+ ... sudo /sbin/iptables -I ${rule}
+ Utils.Run Command On Controller cmd=${command}
+ ${command} BuiltIn.Set Variable sudo /sbin/iptables -L -n
+ ${output} Utils.Run Command On Controller cmd=${command}
+ BuiltIn.Log ${output}
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