*** Settings ***
-Documentation Mininet library. This library is useful for tests using mininet tool to simulate devices.
-Library SSHLibrary
-Resource Utils.robot
-Resource OVSDB.robot
-Resource ClusterManagement.robot
-Variables ../variables/Variables.py
+Documentation Mininet library. This library is useful for tests using mininet tool to simulate devices.
+
+Library SSHLibrary
+Resource SSHKeywords.robot
+Resource Utils.robot
+Resource OVSDB.robot
+Resource ClusterManagement.robot
+Variables ../variables/Variables.py
+
*** Variables ***
-${topology_file} create_fullymesh.py
-${topology_file_path} MininetTopo/${topology_file}
+${switch_private_key} switch.key
+${switch_certificate} switch.crt
+${controller_ca_list} cachain.crt
+${topology_file} create_fullymesh.py
+${topology_file_path} MininetTopo/${topology_file}
+
*** Keywords ***
Start Mininet Single Controller
- [Arguments] ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${options}=--topo tree,1 --switch ovsk,protocols=OpenFlow13 ${custom}=${EMPTY} ${ofport}=${ODL_OF_PORT} ${timeout}=${DEFAULT_TIMEOUT}
[Documentation] Start Mininet with custom topology and connect to controller.
+ [Arguments] ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${options}=--topo tree,1 ${custom}=${EMPTY} ${ofversion}=13 ${ofport}=${ODL_OF_PORT}
+ ... ${timeout}=${DEFAULT_TIMEOUT}
Log Clear any existing mininet
Utils.Clean Mininet System ${mininet}
- ${mininet_conn_id}= SSHLibrary.Open Connection ${mininet} prompt=${TOOLS_SYSTEM_PROMPT} timeout=${timeout}
+ ${mininet_conn_id}= SSHKeywords.Open_Connection_To_Tools_System ip_address=${mininet} timeout=${timeout}
Set Suite Variable ${mininet_conn_id}
- Utils.Flexible Mininet Login
- Run Keyword If '${custom}' != '${EMPTY}' Put File ${custom}
+ IF '${custom}' != '${EMPTY}' Put File ${custom}
Log Start mininet ${options} to ${controller}
- SSHLibrary.Write sudo mn --controller 'remote,ip=${controller},port=${ofport}' ${options}
+ SSHLibrary.Write
+ ... sudo mn --controller 'remote,ip=${controller},port=${ofport}' ${options} --switch ovsk,protocols=OpenFlow${ofversion}
SSHLibrary.Read Until mininet>
Log Check OVS configuratiom
SSHLibrary.Write sh ovs-vsctl show
SSHLibrary.Read Until mininet>
- [Return] ${mininet_conn_id}
+ RETURN ${mininet_conn_id}
Start Mininet Multiple Controllers
- [Arguments] ${mininet} ${controller_index_list}=${EMPTY} ${options}=--topo tree,1 --switch ovsk,protocols=OpenFlow13 ${custom}=${EMPTY} ${ofport}=${ODL_OF_PORT} ${timeout}=${DEFAULT_TIMEOUT}
[Documentation] Start Mininet with custom topology and connect to list of controllers in ${controller_index_list} or all if no list is provided.
- ${index_list} = ClusterManagement.List Indices Or All given_list=${controller_index_list}
+ [Arguments] ${mininet}=${TOOLS_SYSTEM_IP} ${controller_index_list}=${EMPTY} ${options}=--topo tree,1 ${custom}=${EMPTY} ${ofversion}=13 ${ofport}=${ODL_OF_PORT}
+ ... ${protocol}=tcp ${timeout}=${DEFAULT_TIMEOUT}
+ ${index_list}= ClusterManagement.List Indices Or All given_list=${controller_index_list}
Log Clear any existing mininet
Utils.Clean Mininet System ${mininet}
- ${mininet_conn_id}= SSHLibrary.Open Connection ${mininet} prompt=${TOOLS_SYSTEM_PROMPT} timeout=${timeout}
+ ${mininet_conn_id}= SSHKeywords.Open_Connection_To_Tools_System ip_address=${mininet} timeout=${timeout}
Set Suite Variable ${mininet_conn_id}
- Utils.Flexible Mininet Login
- Run Keyword If '${custom}' != '${EMPTY}' Put File ${custom}
+ IF '${custom}' != '${EMPTY}' Put File ${custom}
+ IF '${protocol}' == 'ssl' Install Certificates In Mininet
Log Start mininet ${options}
SSHLibrary.Write sudo mn ${options}
SSHLibrary.Read Until mininet>
Log Create controller configuration
${controller_opt}= Set Variable
- : FOR ${index} IN @{index_list}
- \ ${controller_opt}= Catenate ${controller_opt} ${SPACE}tcp:${ODL_SYSTEM_${index}_IP}:${ofport}
- \ Log ${controller_opt}
- Log Find Number of OVS bridges
- ${num_bridges} Utils.Run Command On Mininet ${mininet} sudo ovs-vsctl show | grep Bridge | wc -l
+ FOR ${index} IN @{index_list}
+ ${controller_opt}= Catenate ${controller_opt} ${SPACE}${protocol}:${ODL_SYSTEM_${index}_IP}:${ofport}
+ Log ${controller_opt}
+ END
+ Log Open extra SSH connection to configure the OVS bridges
+ SSHKeywords.Open_Connection_To_Tools_System ip_address=${mininet} timeout=${timeout}
+ ${num_bridges}= SSHLibrary.Execute Command sudo ovs-vsctl show | grep Bridge | wc -l
${num_bridges}= Convert To Integer ${num_bridges}
+ ${bridges}= Create List
+ FOR ${i} IN RANGE 1 ${num_bridges+1}
+ ${bridge}= SSHLibrary.Execute Command
+ ... sudo ovs-vsctl show | grep Bridge | cut -c 12- | sort | head -${i} | tail -1
+ SSHLibrary.Execute Command
+ ... sudo ovs-vsctl del-controller ${bridge} && sudo ovs-vsctl set bridge ${bridge} protocols=OpenFlow${ofversion}
+ Collections.Append To List ${bridges} ${bridge}
+ END
Log Configure OVS controllers ${controller_opt} in all bridges
- : FOR ${i} IN RANGE 1 ${num_bridges+1}
- \ ${bridge}= Utils.Run Command On Mininet ${mininet} sudo ovs-vsctl show | grep Bridge | cut -c 12- | sort | head -${i} | tail -1
- \ OVSDB.Set Controller In OVS Bridge ${mininet} ${bridge} ${controller_opt}
+ FOR ${bridge} IN @{bridges}
+ SSHLibrary.Execute Command sudo ovs-vsctl set-controller ${bridge} ${controller_opt}
+ END
Log Check OVS configuratiom
- SSHLibrary.Write sh ovs-vsctl show
- SSHLibrary.Read Until mininet>
- [Return] ${mininet_conn_id}
+ ${output}= SSHLibrary.Execute Command sudo ovs-vsctl show
+ Log ${output}
+ SSHLibrary.Close Connection
+ RETURN ${mininet_conn_id}
Start Mininet Multiple Hosts
- [Arguments] ${hosts} ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${mininet_timeout}=${DEFAULT_TIMEOUT}
[Documentation] Start mininet 1 switch with ${hosts} hosts attached.
+ [Arguments] ${hosts} ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${ofversion}=13 ${ofport}=${ODL_OF_PORT} ${mininet_timeout}=${DEFAULT_TIMEOUT}
Log Start Mininet Linear
- MininetKeywords.StartMininet Single Controller options=--topo single,${hosts} --mac --switch ovsk,protocols=OpenFlow13 timeout=${mininet_timeout}
+ MininetKeywords.StartMininet Single Controller
+ ... options=--topo single,${hosts} --mac
+ ... ofversion=${ofversion}
+ ... ofport=${ofport}
+ ... timeout=${mininet_timeout}
Start Mininet Linear
- [Arguments] ${switches} ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${mininet_timeout}=${DEFAULT_TIMEOUT}
[Documentation] Start mininet linear topology with ${switches} nodes.
+ [Arguments] ${switches} ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${ofversion}=13 ${ofport}=${ODL_OF_PORT} ${mininet_timeout}=${DEFAULT_TIMEOUT}
Log Start Mininet Linear
- MininetKeywords.StartMininet Single Controller options=--topo linear,${switches} --switch ovsk,protocols=OpenFlow13 timeout=${mininet_timeout}
+ MininetKeywords.StartMininet Single Controller
+ ... options=--topo linear,${switches}
+ ... ofversion=${ofversion}
+ ... ofport=${ofport}
+ ... timeout=${mininet_timeout}
Start Mininet Full Mesh
- [Arguments] ${switches} ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${hosts}=0 ${mininet_timeout}=${DEFAULT_TIMEOUT}
[Documentation] Start a custom mininet topology.
- ${mininet_conn_id}= SSHLibrary.Open Connection ${mininet} prompt=${TOOLS_SYSTEM_PROMPT} timeout=${mininet_timeout}
+ [Arguments] ${switches} ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${ofversion}=13 ${ofport}=${ODL_OF_PORT} ${hosts}=0
+ ... ${mininet_timeout}=${DEFAULT_TIMEOUT}
+ ${mininet_conn_id}= SSHLibrary.Open Connection
+ ... ${mininet}
+ ... prompt=${TOOLS_SYSTEM_PROMPT}
+ ... timeout=${mininet_timeout}
Set Suite Variable ${mininet_conn_id}
- Utils.Flexible_Mininet_Login
+ SSHKeywords.Flexible_Mininet_Login
Log Copying ${topology_file_path} file to Mininet VM and Creating Full Mesh topology
SSHLibrary.Put File ${CURDIR}/${topology_file_path}
SSHLibrary.Write python ${topology_file} ${switches} ${hosts} 00:00:00:00:00:00 10.0.0.0
SSHLibrary.Read Until ${TOOLS_SYSTEM_PROMPT}
Log Start Mininet Full Mesh
- SSHLibrary.Write sudo mn --controller=remote,ip=${controller} --custom switch.py --topo demotopo --switch ovsk,protocols=OpenFlow13
+ SSHLibrary.Write
+ ... sudo mn --controller=remote,ip=${controller},port=${ofport} --custom switch.py --topo demotopo --switch ovsk,protocols=OpenFlow${ofversion}
SSHLibrary.Read Until mininet>
Log Check OVS configuratiom
SSHLibrary.Write sh ovs-vsctl show
Should Not Contain ${output} database connection failed
Send Mininet Command
- [Arguments] ${mininet_conn}=${EMPTY} ${cmd}=help
[Documentation] Sends Command ${cmd} to Mininet session ${mininet_conn} and returns read buffer response.
- Run Keyword If """${mininet_conn}""" != "" SSHLibrary.Switch Connection ${mininet_conn}
+ [Arguments] ${mininet_conn}=${EMPTY} ${cmd}=help
+ IF """${mininet_conn}""" != ""
+ SSHLibrary.Switch Connection ${mininet_conn}
+ END
SSHLibrary.Write ${cmd}
${output}= SSHLibrary.Read Until mininet>
- [Return] ${output}
+ RETURN ${output}
Send Mininet Command Multiple Sessions
- [Arguments] ${mininet_conn_list} ${cmd}=help
[Documentation] Sends Command ${cmd} to Mininet sessions in ${mininet_conn_list} and returns list of read buffer responses.
+ [Arguments] ${mininet_conn_list} ${cmd}=help
${output_list}= Create List
- : FOR ${mininet_conn} IN @{mininet_conn_list}
- \ ${output}= Utils.Send Mininet Command ${mininet_conn} ${cmd}
- \ Append To List ${output_list} ${output}
- [Return] ${output_list}
+ FOR ${mininet_conn} IN @{mininet_conn_list}
+ ${output}= Utils.Send Mininet Command ${mininet_conn} ${cmd}
+ Collections.Append To List ${output_list} ${output}
+ END
+ RETURN ${output_list}
Stop Mininet And Exit
- [Arguments] ${mininet_conn}=${EMPTY}
[Documentation] Stops Mininet and exits session ${mininet_conn}
- Run Keyword If """${mininet_conn}""" != "" SSHLibrary.Switch Connection ${mininet_conn}
+ [Arguments] ${mininet_conn}=${EMPTY}
+ IF """${mininet_conn}""" != ""
+ SSHLibrary.Switch Connection ${mininet_conn}
+ END
SSHLibrary.Write exit
SSHLibrary.Read Until ${TOOLS_SYSTEM_PROMPT}
SSHLibrary.Close Connection
Stop Mininet And Exit Multiple Sessions
- [Arguments] ${mininet_conn_list}
[Documentation] Stops Mininet and exits sessions in ${mininet_conn_list}.
- : FOR ${mininet_conn} IN @{mininet_conn_list}
- \ MininetKeywords.Stop Mininet And Exit ${mininet_conn}
+ [Arguments] ${mininet_conn_list}
+ FOR ${mininet_conn} IN @{mininet_conn_list}
+ MininetKeywords.Stop Mininet And Exit ${mininet_conn}
+ END
Disconnect Cluster Mininet
- [Arguments] ${action}=break ${member_index_list}=${EMPTY}
[Documentation] Break and restore controller to mininet connection via iptables.
- ${index_list} = ClusterManagement.List_Indices_Or_All given_list=${member_index_list}
- : FOR ${index} IN @{index_list}
- \ ${rule} = BuiltIn.Set Variable OUTPUT -p all --source ${ODL_SYSTEM_${index}_IP} --destination ${TOOLS_SYSTEM_IP} -j DROP
- \ ${command} = BuiltIn.Set Variable If '${action}'=='restore' sudo /sbin/iptables -D ${rule} sudo /sbin/iptables -I ${rule}
- \ Log To Console ${ODL_SYSTEM_${index}_IP}
- \ Utils.Run Command On Controller ${ODL_SYSTEM_${index}_IP} cmd=${command}
- \ ${command} = BuiltIn.Set Variable sudo /sbin/iptables -L -n
- \ ${output} = Utils.Run Command On Controller cmd=${command}
- \ BuiltIn.Log ${output}
+ [Arguments] ${action}=break ${member_index_list}=${EMPTY}
+ ${index_list}= ClusterManagement.List_Indices_Or_All given_list=${member_index_list}
+ FOR ${index} IN @{index_list}
+ ${rule}= BuiltIn.Set Variable
+ ... OUTPUT -p all --source ${ODL_SYSTEM_${index}_IP} --destination ${TOOLS_SYSTEM_IP} -j DROP
+ ${command}= BuiltIn.Set Variable If
+ ... '${action}'=='restore'
+ ... sudo /sbin/iptables -D ${rule}
+ ... sudo /sbin/iptables -I ${rule}
+ Log To Console ${ODL_SYSTEM_${index}_IP}
+ Utils.Run Command On Controller ${ODL_SYSTEM_${index}_IP} cmd=${command}
+ ${command}= BuiltIn.Set Variable sudo /sbin/iptables -L -n
+ ${output}= Utils.Run Command On Controller cmd=${command}
+ BuiltIn.Log ${output}
+ END
Verify Aggregate Flow From Mininet Session
- [Arguments] ${mininet_conn}=${EMPTY} ${flow_count}=0 ${time_out}=0s
[Documentation] Verify flow count per switch
- Wait Until Keyword Succeeds ${time_out} 2s MininetKeywords.Check Flows In Mininet ${mininet_conn} ${flow_count}
+ [Arguments] ${mininet_conn}=${EMPTY} ${flow_count}=0 ${time_out}=0s
+ Wait Until Keyword Succeeds
+ ... ${time_out}
+ ... 2s
+ ... MininetKeywords.Check Flows In Mininet
+ ... ${mininet_conn}
+ ... ${flow_count}
Check Flows In Mininet
- [Arguments] ${mininet_conn}=${EMPTY} ${flow_count}=0
[Documentation] Sync with mininet to match exact number of flows
- Run Keyword If """${mininet_conn}""" != "" SSHLibrary.Switch Connection ${mininet_conn}
- ${cmd} = Set Variable dpctl dump-aggregate -O OpenFlow13
+ [Arguments] ${mininet_conn}=${EMPTY} ${flow_count}=0
+ IF """${mininet_conn}""" != ""
+ SSHLibrary.Switch Connection ${mininet_conn}
+ END
+ ${cmd}= Set Variable dpctl dump-aggregate -O OpenFlow13
${output}= MininetKeywords.Send Mininet Command ${mininet_conn} ${cmd}
${flows}= String.Get RegExp Matches ${output} (?<=flow_count\=).*?(?=\r)
${total_flows}= BuiltIn.Evaluate sum(map(int, ${flows}))
Should Be Equal As Numbers ${total_flows} ${flow_count}
Verify Mininet Ping
- [Arguments] ${host1} ${host2}
[Documentation] Send ping from mininet and verify connectivity.
+ [Arguments] ${host1} ${host2}
SSHLibrary.Write ${host1} ping -w 3 ${host2}
${result}= SSHLibrary.Read Until mininet>
Should Contain ${result} 64 bytes
Verify Mininet No Ping
- [Arguments] ${host1} ${host2}
[Documentation] Send ping from mininet and verify no conectivity.
+ [Arguments] ${host1} ${host2}
SSHLibrary.Write ${host1} ping -w 3 ${host2}
${result}= SSHLibrary.Read Until mininet>
Should Contain ${result} 100% packet loss
Ping All Hosts
- [Arguments] @{host_list}
[Documentation] Do one round of ping from one host to all other hosts in mininet.
... Note that a single ping failure will exit the loop and return a non zero value.
+ [Arguments] @{host_list}
${source}= Get From List ${host_list} ${0}
- : FOR ${h} IN @{host_list}
- \ ${status}= Ping Two Hosts ${source} ${h} 1
- \ Exit For Loop If ${status}!=${0}
- [Return] ${status}
+ FOR ${h} IN @{host_list}
+ ${status}= Ping Two Hosts ${source} ${h} 1
+ IF ${status}!=${0} BREAK
+ END
+ RETURN ${status}
Ping Two Hosts
- [Arguments] ${host1} ${host2} ${pingcount}=2
[Documentation] Ping between mininet hosts. Must be used only after a mininet session is in place.
... Returns non zero value if there is 100% packet loss.
+ [Arguments] ${host1} ${host2} ${pingcount}=2
SSHLibrary.Write ${host1} ping -c ${pingcount} ${host2}
${out}= SSHLibrary.Read Until mininet>
${ret}= String.Get Lines Matching Regexp ${out} .*100% packet loss.*
${len}= Get Length ${ret}
- [Return] ${len}
+ RETURN ${len}
Get Mininet Hosts
[Documentation] Get all the hosts from mininet
SSHLibrary.Write nodes
${out}= SSHLibrary.Read Until mininet>
@{words}= String.Split String ${out} ${SPACE}
- : FOR ${item} IN @{words}
- \ ${h}= String.Get Lines Matching Regexp ${item} h[0-9]*
- \ Run Keyword If '${h}' != '${EMPTY}' Append To List ${host_list} ${h}
- [Return] ${host_list}
+ FOR ${item} IN @{words}
+ ${h}= String.Get Lines Matching Regexp ${item} h[0-9]*
+ IF '${h}' != '${EMPTY}'
+ Collections.Append To List ${host_list} ${h}
+ END
+ END
+ RETURN ${host_list}
+
+Install Certificates In Mininet
+ [Documentation] Copy and install certificates in simulator.
+ Comment Copy Certificates
+ SSHLibrary.Put File ${CURDIR}/tls/${switch_private_key} .
+ SSHLibrary.Put File ${CURDIR}/tls/${switch_certificate} .
+ SSHLibrary.Put File ${CURDIR}/tls/${controller_ca_list} .
+ Comment Install Certificates
+ SSHLibrary.Execute Command
+ ... sudo mv ${switch_private_key} /etc/openvswitch && sudo mv ${switch_certificate} /etc/openvswitch && sudo mv ${controller_ca_list} /etc/openvswitch
+ SSHLibrary.Execute Command
+ ... sudo ovs-vsctl set-ssl /etc/openvswitch/${switch_private_key} /etc/openvswitch/${switch_certificate} /etc/openvswitch/${controller_ca_list}
+ ${std_out}= SSHLibrary.Execute Command sudo ovs-vsctl get-ssl
+ Log ${std_out}
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