X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=csit%2Flibraries%2FMininetKeywords.robot;h=ebe41e16e7bbb03b0d4efc2f3a19dbe5418348ea;hb=40c839d037084ba309cfe943d7385d1b83b08597;hp=0c7b89917ac08eef655c4495a27a7e77c226aa37;hpb=c42e303ca6d81c957085cc863e591b989268874e;p=integration%2Ftest.git diff --git a/csit/libraries/MininetKeywords.robot b/csit/libraries/MininetKeywords.robot index 0c7b89917a..ebe41e16e7 100644 --- a/csit/libraries/MininetKeywords.robot +++ b/csit/libraries/MininetKeywords.robot @@ -1,27 +1,31 @@ *** Settings *** 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 *** +${switch_private_key} switch.key +${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} + [Arguments] ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${options}=--topo tree,1 ${custom}=${EMPTY} ${ofversion}=13 ${ofport}=${ODL_OF_PORT} + ... ${timeout}=${DEFAULT_TIMEOUT} [Documentation] Start Mininet with custom topology and connect to controller. 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} 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 @@ -29,56 +33,73 @@ Start Mininet Single Controller [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} + [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} [Documentation] Start Mininet with custom topology and connect to list of controllers in ${controller_index_list} or all if no list is provided. - ${index_list} = ClusterManagement__Given_Or_Internal_Index_List given_list=${controller_index_list} + ${index_list} = ClusterManagement.List Indices Or All given_list=${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 ${custom} + Run Keyword If '${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> + ${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} ${ofversion}=13 ${ofport}=${ODL_OF_PORT} ${mininet_timeout}=${DEFAULT_TIMEOUT} + [Documentation] Start mininet 1 switch with ${hosts} hosts attached. + Log Start Mininet Linear + MininetKeywords.StartMininet Single Controller options=--topo single,${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} + [Arguments] ${switches} ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${ofversion}=13 ${ofport}=${ODL_OF_PORT} ${mininet_timeout}=${DEFAULT_TIMEOUT} [Documentation] Start mininet linear topology with ${switches} nodes. Log Start Mininet Linear - MininetKeywords.StartMininet Single Controller options=--topo linear,${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} + [Arguments] ${switches} ${mininet}=${TOOLS_SYSTEM_IP} ${controller}=${ODL_SYSTEM_IP} ${ofversion}=13 ${ofport}=${ODL_OF_PORT} ${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} 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 - Read Until mininet> + 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 - Write sh ovs-vsctl show + SSHLibrary.Write sh ovs-vsctl show ${output}= Read Until mininet> # Ovsdb connection is sometimes lost after mininet is started. Checking if the connection is alive before proceeding. Should Not Contain ${output} database connection failed @@ -95,9 +116,10 @@ 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. ${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} + 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 @@ -111,8 +133,23 @@ Stop Mininet And Exit 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} + 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} + END Verify Aggregate Flow From Mininet Session [Arguments] ${mininet_conn}=${EMPTY} ${flow_count}=0 ${time_out}=0s @@ -132,13 +169,58 @@ Check Flows In Mininet Verify Mininet Ping [Arguments] ${host1} ${host2} [Documentation] Send ping from mininet and verify connectivity. - Write ${host1} ping -w 3 ${host2} - ${result}= Read Until mininet> + 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. - Write ${host1} ping -w 3 ${host2} - ${result}= Read Until mininet> + 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. + ${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} + 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. + 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} + +Get Mininet Hosts + [Documentation] Get all the hosts from mininet + ${host_list}= Create List + 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}' Collections.Append To List ${host_list} ${h} + 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}