X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=csit%2Flibraries%2FMininetKeywords.robot;h=c10f496f14f9ed8dd951bc87784862a6162add22;hb=14d57f76229c0eb951f6c68fbeeee4ed69776058;hp=186b9034cfda003f8c3528f95e5bce0641c3276b;hpb=966ca34fda9e7970cf470a77303bd43ebb9dc41d;p=integration%2Ftest.git

diff --git a/csit/libraries/MininetKeywords.robot b/csit/libraries/MininetKeywords.robot
index 186b9034cf..c10f496f14 100644
--- a/csit/libraries/MininetKeywords.robot
+++ b/csit/libraries/MininetKeywords.robot
@@ -1,42 +1,52 @@
 *** 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 ***
+${topology_file}    create_fullymesh.py
+${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}=6633
+    [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=${DEFAULT_TIMEOUT}
+    ${mininet_conn_id}=    SSHLibrary.Open Connection    ${mininet}    prompt=${TOOLS_SYSTEM_PROMPT}    timeout=${timeout}
     Set Suite Variable    ${mininet_conn_id}
-    Utils.Flexible Mininet Login
+    SSHKeywords.Flexible Mininet Login
     Run Keyword If    '${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
     SSHLibrary.Read Until    mininet>
-    ${output}=    Utils.Run Command On Mininet    ${mininet}    sudo ovs-vsctl show
-    Log    ${output}
     [Return]    ${mininet_conn_id}
 
 Start Mininet Multiple Controllers
-    [Arguments]    ${mininet}    ${controller_index_list}    ${options}=--topo tree,1 --switch ovsk,protocols=OpenFlow13    ${custom}=${EMPTY}    ${ofport}=6633
-    [Documentation]    Start Mininet with custom topology and connect to all controllers in the ${controller_index_list}.
+    [Arguments]    ${mininet}    ${controller_index_list}=${EMPTY}    ${options}=--topo tree,1    ${custom}=${EMPTY}    ${ofversion}=13    ${ofport}=${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}
     Log    Clear any existing mininet
     Utils.Clean Mininet System    ${mininet}
-    ${mininet_conn_id}=    SSHLibrary.Open Connection    ${mininet}    prompt=${TOOLS_SYSTEM_PROMPT}    timeout=${DEFAULT_TIMEOUT}
+    ${mininet_conn_id}=    SSHLibrary.Open Connection    ${mininet}    prompt=${TOOLS_SYSTEM_PROMPT}    timeout=${timeout}
     Set Suite Variable    ${mininet_conn_id}
-    Utils.Flexible Mininet Login
+    SSHKeywords.Flexible Mininet Login
     Run Keyword If    '${custom}' != '${EMPTY}'    Put File    ${custom}
     Log    Start mininet ${options}
     SSHLibrary.Write    sudo mn ${options}
     SSHLibrary.Read Until    mininet>
     Log    Create controller configuration
     ${controller_opt}=    Set Variable
-    : FOR    ${index}    IN    @{controller_index_list}
+    : 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
@@ -45,16 +55,48 @@ Start Mininet Multiple Controllers
     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}
+    \    OVSDB.Set Controller In OVS Bridge    ${mininet}    ${bridge}    ${controller_opt}    ${ofversion}
     Log    Check OVS configuratiom
-    ${output}=    Utils.Run Command On Mininet    ${mininet}    sudo ovs-vsctl show
-    Log    ${output}
+    SSHLibrary.Write    sh ovs-vsctl show
+    SSHLibrary.Read Until    mininet>
     [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}    ${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}    ofversion=${ofversion}    ofport=${ofport}    timeout=${mininet_timeout}
+
+Start Mininet Full Mesh
+    [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}
+    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},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
+    ${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
+
 Send Mininet Command
-    [Arguments]    ${mininet_conn_id}    ${cmd}=help
-    [Documentation]    Sends Command ${cmd} to Mininet session ${mininet_conn_id} and returns read buffer response.
-    SSHLibrary.Switch Connection    ${mininet_conn_id}
+    [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}
     SSHLibrary.Write    ${cmd}
     ${output}=    SSHLibrary.Read Until    mininet>
     [Return]    ${output}
@@ -63,34 +105,94 @@ 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_id}    IN    @{mininet_conn_list}
-    \    ${output}=    Utils.Send Mininet Command    ${mininet_conn_id}    ${cmd}
+    : FOR    ${mininet_conn}    IN    @{mininet_conn_list}
+    \    ${output}=    Utils.Send Mininet Command    ${mininet_conn}    ${cmd}
     \    Append To List    ${output_list}    ${output}
     [Return]    ${output_list}
 
 Stop Mininet And Exit
-    [Arguments]    ${mininet_conn_id}
-    [Documentation]    Stops Mininet and exits session ${mininet_conn_id}
-    SSHLibrary.Switch Connection    ${mininet_conn_id}
+    [Arguments]    ${mininet_conn}=${EMPTY}
+    [Documentation]    Stops Mininet and exits session ${mininet_conn}
+    Run Keyword If    """${mininet_conn}""" != ""    SSHLibrary.Switch Connection    ${mininet_conn}
     SSHLibrary.Write    exit
     SSHLibrary.Read Until    ${TOOLS_SYSTEM_PROMPT}
-    Close Connection
+    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_id}    IN    @{mininet_conn_list}
-    \    MininetKeywords.Stop Mininet And Exit    ${mininet_conn_id}
+    : FOR    ${mininet_conn}    IN    @{mininet_conn_list}
+    \    MininetKeywords.Stop Mininet And Exit    ${mininet_conn}
+
+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}
 
 Verify Aggregate Flow From Mininet Session
-    [Arguments]    ${mininet_conn_id}    ${switch_count}    ${flow_count}    ${time_out}
+    [Arguments]    ${mininet_conn}=${EMPTY}    ${flow_count}=0    ${time_out}=0s
     [Documentation]    Verify flow count per switch
-    Wait Until Keyword Succeeds    ${time_out}    2s    MininetKeywords.Mininet Sync Status    ${mininet_conn_id}    ${switch_count}    ${flow_count}
+    Wait Until Keyword Succeeds    ${time_out}    2s    MininetKeywords.Check Flows In Mininet    ${mininet_conn}    ${flow_count}
 
-Mininet Sync Status
-    [Arguments]    ${mininet_id}    ${switch_count}    ${flow_count}
+Check Flows In Mininet
+    [Arguments]    ${mininet_conn}=${EMPTY}    ${flow_count}=0
     [Documentation]    Sync with mininet to match exact number of flows
-    Set Test Variable    &{dictionary}    flow_count\=${flow_count}=${switch_count}
+    Run Keyword If    """${mininet_conn}""" != ""    SSHLibrary.Switch Connection    ${mininet_conn}
     ${cmd} =    Set Variable    dpctl dump-aggregate -O OpenFlow13
-    ${output}=    MininetKeywords.Send Mininet Command    ${mininet_id}    ${cmd}
-    Utils.Check Item Occurrence    ${output}    ${dictionary}
+    ${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.
+    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.
+    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}
+    [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}'    Append To List    ${host_list}    ${h}
+    [Return]    ${host_list}