--- /dev/null
+*** Settings ***
+Documentation Test Suite for vpn instance
+Suite Setup Create Session session http://${CONTROLLER}:${RESTCONFPORT} auth=${AUTH} headers=${HEADERS}
+Suite Teardown Delete All Sessions
+Variables ../../variables/vpnservice/configureSwitches.py ${MININET} ${MININET1}
+Library SSHLibrary
+Variables ../../variables/Variables.py
+Resource ../../libraries/Utils.robot
+Library RequestsLibrary
+
+*** Variables ***
+${REST_CON} /restconf/config
+@{vpn_inst_values} testVpn1 100:1 200:1 300:1 testVpn2 400:1 500:1
+... 600:1
+@{ietf_int_values} s1-eth1 s1-eth2 s1-gre1 s2-eth1 s2-eth2 s2-gre1
+@{vpn_int_values} s1-eth1 testVpn1 10.0.0.1 00:00:00:00:00:01 s1-eth2 10.0.0.2 00:00:00:00:00:02
+... s2-eth1 10.0.0.3 00:00:00:00:00:03 testVpn2 s2-eth2 10.0.0.4 00:00:00:00:00:04
+${REST_OPER} /restconf/operational
+@{NODE_ELEMENTS} openflow:1 openflow:1:1 openflow:1:2 openflow:1:3 openflow:2 openflow:2:1 openflow:2:2
+... openflow:2:3
+
+*** Test Cases ***
+Veirfy The Switches
+ [Documentation] Verifies if the switches and node connectors data is available to the controller
+ Check For Elements At URI ${REST_OPER}/opendaylight-inventory:nodes/ ${NODE_ELEMENTS}
+
+Create VPN Instances
+ [Documentation] Creates VPN Instances through restconf
+ [Tags] Post
+ ${resp} RequestsLibrary.Post session ${REST_CON}/l3vpn:vpn-instances/ data=${vpn_instances}
+ Log ${resp.content}
+ Should Be Equal As Strings ${resp.status_code} 204
+
+Verify VPN instances
+ [Documentation] Verifies the vpn instances in the datastores
+ [Tags] Get
+ Wait Until Keyword Succeeds 5s 1s Check For Elements At URI ${REST_CON}/l3vpn:vpn-instances/ ${vpn_inst_values}
+ Wait Until Keyword Succeeds 5s 1s Check For Elements At URI ${REST_OPER}/l3vpn:vpn-instances/ ${vpn_inst_values}
+
+Create ietf interfaces
+ [Documentation] Creates ietf interfaces through the restconf
+ [Tags] Post
+ ${resp} RequestsLibrary.Post session ${REST_CON}/ietf-interfaces:interfaces/ data=${ietf_interfaces}
+ Should Be Equal As Strings ${resp.status_code} 204
+
+Verify ietf interfaces
+ [Documentation] Verifies ietf interfaces created in datastores
+ [Tags] Get
+ Wait Until Keyword Succeeds 5s 1s Check For Elements At URI ${REST_CON}/ietf-interfaces:interfaces/ ${ietf_int_values}
+ Wait Until Keyword Succeeds 5s 1s Check For Elements At URI ${REST_OPER}/ietf-interfaces:interfaces-state/ ${ietf_int_values}
+ @{state}= Create List down
+ Wait Until Keyword Succeeds 2s 1s Check For Elements Not At URI ${REST_OPER}/ietf-interfaces:interfaces-state/ ${state}
+
+Create VPN interfaces
+ [Documentation] Creates vpn interface for the corresponding ietf interface
+ [Tags] Post
+ ${resp} RequestsLibrary.Post session ${REST_CON}/l3vpn:vpn-interfaces/ data=${vpn_interfaces}
+ Should Be Equal As Strings ${resp.status_code} 204
+
+Verify VPN interfaces
+ [Documentation] Verifies the vpn interfaces created in datastores
+ [Tags] Get
+ Wait Until Keyword Succeeds 3s 1s Check For Elements At URI ${REST_CON}/l3vpn:vpn-interfaces/ ${vpn_int_values}
+ Wait Until Keyword Succeeds 3s 1s Check For Elements At URI ${REST_OPER}/l3vpn:vpn-interfaces/ ${vpn_int_values}
+
+Verify FIB entries after create
+ [Documentation] Verifies the fib entries in the operational DS for the corresponding vpn interfaces
+ [Tags] Get
+ @{fib_entries1}= Create List ${vpn_int_values[2]} ${vpn_int_values[8]}
+ @{fib_entries2}= Create List ${vpn_int_values[5]} ${vpn_int_values[12]}
+ Wait Until Keyword Succeeds 3s 1s Check For Elements At URI ${REST_OPER}/odl-fib:fibEntries/vrfTables/${vpn_inst_values[1]} ${fib_entries1}
+ Wait Until Keyword Succeeds 3s 1s Check For Elements At URI ${REST_OPER}/odl-fib:fibEntries/vrfTables/${vpn_inst_values[5]} ${fib_entries2}
+
+Verify flows
+ [Documentation] Verify flows in the switches
+ [Tags] verify in switch
+ @{flow_elements} Create List ${vpn_int_values[2]} ${vpn_int_values[5]} ${vpn_int_values[8]} ${vpn_int_values[12]}
+ Wait Until Keyword Succeeds 6s 2s Ensure Flows Are Present ${mininet1_conn_id_1} ${flow_elements}
+ Wait Until Keyword Succeeds 6s 2s Ensure Flows Are Present ${mininet2_conn_id_1} ${flow_elements}
+
+Verify groups
+ [Documentation] Verify groups in the switches
+ [Tags] verify in switch
+ @{group_elements1} Create List ${vpn_int_values[3]} ${vpn_int_values[6]}
+ @{group_elements2} Create List ${vpn_int_values[9]} ${vpn_int_values[13]}
+ Wait Until Keyword Succeeds 5s 1s Ensure Groups Are Present ${mininet1_conn_id_1} ${group_elements1} 3
+ Wait Until Keyword Succeeds 5s 1s Ensure Groups Are Present ${mininet2_conn_id_1} ${group_elements2} 3
+
+Verify ping
+ [Documentation] Verifies the ping between the two hosts. Ping should succeed between hosts in same vpn, (h1,h3) and (h2,h4).Ping between hosts in different vpns should fail (h1,h2) & (h3,h4). The commented out section is to be uncommented when ovs supports mpls over gre in datapath
+ [Tags] verify in switch
+ Switch Connection ${mininet1_conn_id_1}
+ Write h1 ping h2 -c 5
+ ${result} Read Until mininet>
+ Log ${result}
+ Should Contain ${result} 100% packet loss
+
+Delete vpn interfaces
+ [Documentation] Deletes the vpn interfaces
+ [Tags] Delete
+ ${resp} RequestsLibrary.Delete session ${REST_CON}/l3vpn:vpn-interfaces/
+ Should Be Equal As Strings ${resp.status_code} 200
+
+Verify after deleting vpn interfaces
+ [Documentation] Verifies if vpn interfaces are deleted
+ [Tags] Verify after delete
+ ${resp} RequestsLibrary.get session ${REST_CON}/l3vpn:vpn-interfaces/ headers=${ACCEPT_XML}
+ Should Be Equal As Strings ${resp.status_code} 404
+
+Delete ietf interfaces
+ [Documentation] Deletes the ietf interfaces
+ [Tags] Delete
+ ${resp} RequestsLibrary.Delete session ${REST_CON}/ietf-interfaces:interfaces/
+ Should Be Equal As Strings ${resp.status_code} 200
+
+Verify after deleting ietf interfaces
+ [Documentation] Verifies if ietf interfaces are deleted
+ [Tags] Verify after delete
+ ${resp} RequestsLibrary.get session ${REST_CON}/ietf-interfaces:interfaces/ headers=${ACCEPT_XML}
+ Should Be Equal As Strings ${resp.status_code} 404
+
+Delete VPN Instances
+ [Documentation] Deletes the VPN Instances
+ [Tags] Delete
+ ${resp} RequestsLibrary.Delete session ${REST_CON}/l3vpn:vpn-instances/
+ Should Be Equal As Strings ${resp.status_code} 200
+
+Verify after deleting the vpn instances
+ [Documentation] Verifies after deleting the vpn instances
+ [Tags] Verfiy after delete
+ ${resp} RequestsLibrary.get session ${REST_CON}/l3vpn:vpn-instances/ headers=${ACCEPT_XML}
+ Should Be Equal As Strings ${resp.status_code} 404
+
+Verify FIB entries after delete
+ [Documentation] Verifies if the fib entries are deleted in the operational DS
+ [Tags] Get
+ @{fib_entries}= Create List ${vpn_int_values[2]} ${vpn_int_values[5]} ${vpn_int_values[8]} ${vpn_int_values[12]}
+ Wait Until Keyword Succeeds 3s 1s Check For Elements Not At URI ${REST_OPER}/odl-fib:fibEntries/ ${fib_entries}
+
+Verify flows after delete
+ [Documentation] Verify if the flows are deleted from the switch
+ [Tags] verify in switch
+ [Template]
+ Wait Until Keyword Succeeds 12s 2s Ensure Flows Are Removed ${mininet1_conn_id_1}
+ Wait Until Keyword Succeeds 12s 2s Ensure Flows Are Removed ${mininet2_conn_id_1}
+
+*** Keywords ***
+Ensure Flows Are Present
+ [Arguments] ${conn_id} ${flow_elements}
+ [Documentation] Succeeds if the flows for vpn service are present
+ Switch Connection ${conn_id}
+ Write dpctl dump-flows -O OpenFlow13
+ ${output}= Read Until mininet>
+ Log ${output}
+ Should Contain ${output} goto_table:20
+ Should Contain X Times ${output} goto_table:21 2
+ Should Contain X Times ${output} table=20 2
+ Should Contain X Times ${output} table=21 4
+ : FOR ${i} IN @{flow_elements}
+ \ Should Contain ${output} ${i}
+
+Ensure Groups Are Present
+ [Arguments] ${conn_id} ${group_elements} ${gre_port_id}
+ [Documentation] Succeeds if the groups for the vpn service are present
+ Switch Connection ${conn_id}
+ Write dpctl dump-groups -O OpenFlow13
+ ${output}= Read Until mininet>
+ Log ${output}
+ Should Contain X Times ${output} actions=output:${gre_port_id} 1
+ : FOR ${i} IN @{group_elements}
+ \ Should Contain ${output} actions=pop_mpls:0x0800,set_field:${i}
+
+Ensure Flows Are Removed
+ [Arguments] ${conn_id}
+ [Documentation] Succeeds if the flows are removed from the switch
+ Switch Connection ${conn_id}
+ Write dpctl dump-flows -O OpenFlow13
+ ${output}= Read Until mininet>
+ Log ${output}
+ Should Not contain ${output} goto_table:20
+ Should Not contain ${output} goto_table:21
+ Should Not contain ${output} table=20
+ Should Not contain ${output} table=21
+
+Ensure Groups Are Removed
+ [Arguments] ${conn_id}
+ [Documentation] Succeeds if the group entries are removed from switch
+ Switch Connection ${conn_id}
+ Write dpctl dump-groups -O OpenFlow13
+ ${output}= Read Until mininet>
+ Log ${output}
+ Should Not Contain ${output} actions=output:
+ Should Not Contain ${output} actions=pop_mpls:0x0800
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