2 Documentation Resource for L2switch workflows. TODO: Refactor KWs once this test works in public.
4 Library RequestsLibrary
7 Library SwitchClasses/BaseSwitch.py
10 Variables ../variables/Variables.py
14 [Arguments] ${begin} ${stop} ${step} ${sustain_time}=0
15 [Documentation] Will find out max hosts starting from ${begin} till reaching ${stop} and in steps defined by ${step}.
16 ... The network is hold for ${sustain_time} seconds after everything is checked successful.
17 ${max-hosts} Set Variable ${0}
18 ${stop} Convert to Integer ${stop}
19 ${step} Convert to Integer ${step}
20 : FOR ${hosts} IN RANGE ${begin} ${stop+1} ${step}
21 \ Log To Console Starting mininet with one switch and ${hosts} hosts
22 \ ${status} ${result} Run Keyword And Ignore Error Start Mininet With One Switch And ${hosts} hosts
23 \ Exit For Loop If '${status}' == 'FAIL'
24 \ Log To Console Checking ${switches} switches
25 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds 120s 30s
26 \ ... FlowLib.Check Switches In Inventory ${1}
27 \ Exit For Loop If '${status}' == 'FAIL'
28 \ Log To Console Ping all hosts
29 \ @{host_list}= Get Mininet Hosts
30 \ ${status}= Ping All Hosts @{host_list}
31 \ Exit For Loop If ${status} != ${0}
32 \ Log To Console Verify controller is OK
33 \ ${status} ${result} Run Keyword And Ignore Error Verify Controller Is Not Dead ${ODL_SYSTEM_IP}
34 \ Exit For Loop If '${status}' == 'FAIL'
35 \ ${status} ${result} Run Keyword And Ignore Error Verify Controller Has No Null Pointer Exceptions ${ODL_SYSTEM_IP}
36 \ Exit For Loop If '${status}' == 'FAIL'
37 \ Log To Console Check number of hosts in inventory is ${hosts}
38 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds 120s 30s
39 \ ... Check Number Of Hosts ${hosts}
40 \ Exit For Loop If '${status}' == 'FAIL'
41 \ Log To Console Sleep for ${sustain_time} seconds
42 \ Sleep ${sustain_time}
43 \ Log To Console Stopping Mininet
44 \ ${status} ${result} Run Keyword And Ignore Error Stop Mininet Simulation
45 \ Exit For Loop If '${status}' == 'FAIL'
46 \ Log To Console Checking No Switches
47 \ ${status} ${result} Run Keyword And Ignore Error FlowLib.Check No Switches In Inventory
48 \ Exit For Loop If '${status}' == 'FAIL'
49 \ Log To Console Checking no hosts are present in operational database
50 \ ${status} ${result} Run Keyword And Ignore Error Check No Hosts
51 \ Exit For Loop If '${status}' == 'FAIL'
52 \ ${max-hosts} Convert To String ${hosts}
56 [Documentation] Get all the hosts from mininet
57 ${host_list}= Create List
59 ${out}= Read Until mininet>
60 @{words}= Split String ${out} ${SPACE}
61 : FOR ${item} IN @{words}
62 \ ${h}= Get Lines Matching Regexp ${item.rstrip()} .*h[0-9]*s.
63 \ Run Keyword If '${h}' != '${EMPTY}' Append To List ${host_list} ${h}
67 [Arguments] @{host_list}
68 [Documentation] Do one round of ping from one host to all other hosts in mininet
69 ${source}= Get From List ${host_list} ${0}
70 : FOR ${h} IN @{host_list}
71 \ ${status}= Ping Two Hosts ${source} ${h} 1
72 \ Exit For Loop If ${status}!=${0}
75 Start Mininet With One Switch And ${hosts} hosts
76 [Documentation] Start mininet with one switch and ${hosts} hosts
77 Log Starting mininet with one switch and ${hosts} hosts
78 ${mininet_conn_id}= Open Connection ${TOOLS_SYSTEM_IP} prompt=${DEFAULT_LINUX_PROMPT} timeout=${hosts*3}
79 Set Suite Variable ${mininet_conn_id}
80 Login With Public Key ${TOOLS_SYSTEM_USER} ${USER_HOME}/.ssh/${SSH_KEY} any
81 Write sudo mn --controller=remote,ip=${ODL_SYSTEM_IP} --topo linear,1,${hosts} --switch ovsk,protocols=OpenFlow13
86 [Documentation] Check number of hosts in inventory
87 ${resp}= RequestsLibrary.Get Request session ${OPERATIONAL_TOPO_API}
88 Log Check number of hosts in inventory is ${hosts}
89 Should Be Equal As Strings ${resp.status_code} 200
90 ${count}= Get Count ${resp.content} "node-id":"host:
91 Should Be Equal As Integers ${count} ${hosts}
94 [Arguments] ${host1} ${host2} ${pingcount}=2 ${connection_index}=${EMPTY} ${connection_alias}=${EMPTY}
95 [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.
96 Run Keyword If '${connection_index}' != '${EMPTY}' Switch Connection ${connection_index}
97 Run Keyword If '${connection_alias}' != '${EMPTY}' Switch Connection ${connection_alias}
98 Write ${host1} ping -c ${pingcount} ${host2}
99 ${out}= Read Until mininet>
100 ${ret}= Get Lines Matching Regexp ${out} .*100% packet loss.*
101 ${len}= Get Length ${ret}
105 [Documentation] Check if all hosts are deleted from inventory
106 ${resp}= RequestsLibrary.Get Request session ${OPERATIONAL_TOPO_API}
107 Log Checking no hosts are present in operational database
108 Should Be Equal As Strings ${resp.status_code} 200
109 Should Not Contain ${resp.content} "node-id":"host:
111 Stop Mininet Simulation
112 [Documentation] Stop mininet
113 Switch Connection ${mininet_conn_id}
116 Read Until ${DEFAULT_LINUX_PROMPT}
119 Scalability Suite Teardown
120 Run Keyword And Ignore Error RequestsLibrary.Delete Request session ${CONFIG_NODES_API}