6 Variables ../variables/Variables.py
7 Library RequestsLibrary
8 Library SwitchClasses/BaseSwitch.py
12 [Arguments] ${start} ${stop} ${step}
13 [Documentation] Will find out max switches starting from ${start} till reaching ${stop} and in steps defined by ${step}
14 ${max-switches} Set Variable ${0}
15 Set Suite Variable ${max-switches}
16 ${start} Convert to Integer ${start}
17 ${stop} Convert to Integer ${stop}
18 ${step} Convert to Integer ${step}
19 : FOR ${switches} IN RANGE ${start} ${stop+1} ${step}
20 \ ${status} ${result} Run Keyword And Ignore Error Start Mininet Linear ${switches}
21 \ Exit For Loop If '${status}' == 'FAIL'
22 \ ${status} ${result} Run Keyword And Ignore Error Verify Controller Is Not Dead ${CONTROLLER}
23 \ Exit For Loop If '${status}' == 'FAIL'
24 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds ${switches*2} 10s
25 \ ... Check Every Switch ${switches}
26 \ Exit For Loop If '${status}' == 'FAIL'
27 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds ${switches*2} 10s
28 \ ... Check Linear Topology ${switches}
29 \ Exit For Loop If '${status}' == 'FAIL'
30 \ ${status} ${result} Run Keyword And Ignore Error Stop Mininet Simulation
31 \ Exit For Loop If '${status}' == 'FAIL'
32 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds ${switches*2} 10s
33 \ ... Check No Switches ${switches}
34 \ Exit For Loop If '${status}' == 'FAIL'
35 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds ${switches*2} 10s
36 \ ... Check No Topology ${switches}
37 \ Exit For Loop If '${status}' == 'FAIL'
38 \ ${max-switches} Convert To String ${switches}
39 [Return] ${max-switches}
42 [Arguments] ${begin} ${stop} ${step}
43 [Documentation] Will find out max switches in fully mesh topology starting from ${start} till reaching ${stop} and in steps defined by ${step}
44 ${max_switches} Set Variable ${0}
45 ${stop} Convert to Integer ${stop}
46 ${step} Convert to Integer ${step}
47 : FOR ${switches} IN RANGE ${begin} ${stop+1} ${step}
48 \ ${status} ${result} Run Keyword And Ignore Error Start Mininet With Custom Topology ${CREATE_FULLYMESH_TOPOLOGY_FILE} ${switches} ${BASE_MAC_1} ${BASE_IP_1} ${0} ${switches*20}
49 \ Exit For Loop If '${status}' == 'FAIL'
50 \ ${status} ${result} Run Keyword And Ignore Error Verify Controller Is Not Dead ${CONTROLLER}
51 \ Exit For Loop If '${status}' == 'FAIL'
52 \ ${status} ${result} Run Keyword And Ignore Error Verify Controller Has No Null Pointer Exceptions ${CONTROLLER}
53 \ Exit For Loop If '${status}' == 'FAIL'
54 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds 120 10s
55 \ ... Check Every Switch ${switches} ${BASE_MAC_1}
56 \ Exit For Loop If '${status}' == 'FAIL'
57 \ ${max-links}= Evaluate ${switches}*${switches-1}
58 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds 120 10s
59 \ ... Check Number Of Links ${max-links}
60 \ Exit For Loop If '${status}' == 'FAIL'
61 \ ${status} ${result} Run Keyword And Ignore Error Stop Mininet Simulation
62 \ Exit For Loop If '${status}' == 'FAIL'
63 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds 120 10s
64 \ ... Check No Switches ${switches}
65 \ Exit For Loop If '${status}' == 'FAIL'
66 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds 120 10s
67 \ ... Check No Topology ${switches}
68 \ Exit For Loop If '${status}' == 'FAIL'
69 \ ${max_switches} Set Variable ${switches}
70 ${max-links}= Evaluate ${max_switches}*${max_switches-1}
74 [Arguments] ${begin} ${stop} ${step}
75 [Documentation] Will find out max hosts starting from ${begin} till reaching ${stop} and in steps defined by ${step}
76 ${max-hosts} Set Variable ${0}
77 ${stop} Convert to Integer ${stop}
78 ${step} Convert to Integer ${step}
79 : FOR ${hosts} IN RANGE ${begin} ${stop+1} ${step}
80 \ ${status} ${result} Run Keyword And Ignore Error Start Mininet With One Switch And ${hosts} hosts
81 \ Exit For Loop If '${status}' == 'FAIL'
82 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds 120s 30s
83 \ ... Check Every Switch ${1}
84 \ Exit For Loop If '${status}' == 'FAIL'
85 \ @{host_list}= Get Mininet Hosts
86 \ ${status}= Ping All Hosts @{host_list}
87 \ Exit For Loop If ${status} != ${0}
88 \ ${status} ${result} Run Keyword And Ignore Error Verify Controller Is Not Dead ${CONTROLLER}
89 \ Exit For Loop If '${status}' == 'FAIL'
90 \ ${status} ${result} Run Keyword And Ignore Error Wait Until Keyword Succeeds 120s 30s
91 \ ... Check Number Of Hosts ${hosts}
92 \ Exit For Loop If '${status}' == 'FAIL'
93 \ ${status} ${result} Run Keyword And Ignore Error Stop Mininet Simulation
94 \ Exit For Loop If '${status}' == 'FAIL'
95 \ ${status} ${result} Run Keyword And Ignore Error Check No Switches ${1}
96 \ Exit For Loop If '${status}' == 'FAIL'
97 \ ${status} ${result} Run Keyword And Ignore Error Check No Hosts
98 \ Exit For Loop If '${status}' == 'FAIL'
99 \ ${max-hosts} Convert To String ${hosts}
100 [Return] ${max-hosts}
103 [Documentation] Get all the hosts from mininet
104 ${host_list}= Create List
106 ${out}= Read Until mininet>
107 @{words}= Split String ${out} ${SPACE}
108 :FOR ${item} IN @{words}
109 \ ${h}= Get Lines Matching Regexp ${item.rstrip()} .*h[0-9]*s.
110 \ Run Keyword If '${h}' != '${EMPTY}' Append To List ${host_list} ${h}
111 [Return] ${host_list}
114 [Arguments] @{host_list}
115 [Documentation] Do one round of ping from one host to all other hosts in mininet
116 ${source}= Get From List ${host_list} ${0}
117 : FOR ${h} IN @{host_list}
118 \ ${status}= Ping Two Hosts ${source} ${h} 1
119 \ Exit For Loop If ${status}!=${0}
122 Start Mininet With One Switch And ${hosts} hosts
123 [Documentation] Start mininet with one switch and ${hosts} hosts
124 Log Starting mininet with one switch and ${hosts} hosts
125 Log To Console Starting mininet with one switch and ${hosts} hosts
126 ${mininet_conn_id}= Open Connection ${MININET} prompt=${DEFAULT_LINUX_PROMPT} timeout=${hosts*3}
127 Set Suite Variable ${mininet_conn_id}
128 Login With Public Key ${MININET_USER} ${USER_HOME}/.ssh/${SSH_KEY} any
129 Write sudo mn --controller=remote,ip=${CONTROLLER} --topo linear,1,${hosts} --switch ovsk,protocols=OpenFlow13
132 Check Number Of Hosts
134 [Documentation] Check number of hosts in inventory
135 ${resp}= RequestsLibrary.Get session ${OPERATIONAL_TOPO_API}
136 Log Check number of hosts in inventory
137 Log To Console Check number of hosts in inventory
138 Should Be Equal As Strings ${resp.status_code} 200
139 ${count}= Get Count ${resp.content} "node-id":"host:
140 Should Be Equal As Integers ${count} ${hosts}
142 Check Number Of Links
144 [Documentation] Check number of links in inventory is ${links}
145 ${resp}= RequestsLibrary.Get session ${OPERATIONAL_TOPO_API}
146 Log Check number of links in inventory is ${links}
147 Log To Console Check number of links in inventory is ${links}
148 Should Be Equal As Strings ${resp.status_code} 200
149 ${count}= Get Count ${resp.content} "link-id":"openflow:
150 Should Be Equal As Integers ${count} ${links}
153 [Arguments] ${host1} ${host2} ${pingcount}=2 ${connection_index}=${EMPTY} ${connection_alias}=${EMPTY}
154 [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.
155 Run Keyword If '${connection_index}' != '${EMPTY}' Switch Connection ${connection_index}
156 Run Keyword If '${connection_alias}' != '${EMPTY}' Switch Connection ${connection_alias}
157 Write ${host1} ping -c ${pingcount} ${host2}
158 ${out}= Read Until mininet>
159 ${ret}= Get Lines Matching Regexp ${out} .*100% packet loss.*
160 ${len}= Get Length ${ret}
164 [Documentation] Check if all hosts are deleted from inventory
165 ${resp}= RequestsLibrary.Get session ${OPERATIONAL_TOPO_API}
166 Log To Console Checking no hosts are present in operational database
167 Log Checking no hosts are present in operational database
168 Should Be Equal As Strings ${resp.status_code} 200
169 Should Not Contain ${resp.content} "node-id":"host:
172 [Arguments] ${switches}
173 [Documentation] Start mininet linear topology with ${switches} nodes
174 Log To Console Starting mininet linear ${switches}
175 ${mininet_conn_id}= Open Connection ${MININET} prompt=${DEFAULT_LINUX_PROMPT} timeout=${switches*3}
176 Set Suite Variable ${mininet_conn_id}
177 Login With Public Key ${MININET_USER} ${USER_HOME}/.ssh/${SSH_KEY} any
178 Write sudo mn --controller=remote,ip=${CONTROLLER} --topo linear,${switches} --switch ovsk,protocols=OpenFlow13
182 Start Mininet With Custom Topology
183 [Arguments] ${topology_file} ${switches} ${base_mac}=00:00:00:00:00:00 ${base_ip}=1.1.1.1 ${hosts}=0 ${mininet_start_time}=100
184 [Documentation] Start a custom mininet topology.
185 Log To Console Start a custom mininet topology with ${switches} nodes
186 ${mininet_conn_id}= Open Connection ${MININET} prompt=${DEFAULT_LINUX_PROMPT} timeout=${mininet_start_time}
187 Set Suite Variable ${mininet_conn_id}
188 Login With Public Key ${MININET_USER} ${USER_HOME}/.ssh/${SSH_KEY} any
189 Write python ${topology_file} ${switches} ${hosts} ${base_mac} ${base_ip}
190 Read Until ${DEFAULT_LINUX_PROMPT}
191 Write sudo mn --controller=remote,ip=${CONTROLLER} --custom switch.py --topo demotopo --switch ovsk,protocols=OpenFlow13
193 Write sh ovs-vsctl show
194 ${output}= Read Until mininet>
195 # Ovsdb connection is sometimes lost after mininet is started. Checking if the connection is alive before proceeding.
196 Should Not Contain ${output} database connection failed
197 Log To Console Mininet Started with ${switches} nodes
200 [Arguments] ${switches} ${base_mac}=00:00:00:00:00:00
201 [Documentation] Check all switches and stats in operational inventory
202 ${mac}= Replace String Using Regexp ${base_mac} : ${EMPTY}
203 ${mac}= Convert Hex To Decimal As String ${mac}
204 ${mac}= Convert To Integer ${mac}
205 : FOR ${switch} IN RANGE 1 ${switches+1}
206 \ ${dpid_decimal}= Evaluate ${mac}+${switch}
207 \ ${resp} RequestsLibrary.Get session ${OPERATIONAL_NODES_API}/node/openflow:${dpid_decimal}
208 \ Should Be Equal As Strings ${resp.status_code} 200
209 \ Log To Console Checking Switch ${switch}
210 \ Should Contain ${resp.content} flow-capable-node-connector-statistics
211 \ Should Contain ${resp.content} flow-table-statistics
213 Check Linear Topology
214 [Arguments] ${switches}
215 [Documentation] Check Linear topology given ${switches}
216 ${resp} RequestsLibrary.Get session ${OPERATIONAL_TOPO_API}
217 Log To Console Checking Topology
218 Should Be Equal As Strings ${resp.status_code} 200
219 : FOR ${switch} IN RANGE 1 ${switches+1}
220 \ Should Contain ${resp.content} "node-id":"openflow:${switch}"
221 \ Should Contain ${resp.content} "tp-id":"openflow:${switch}:1"
222 \ Should Contain ${resp.content} "tp-id":"openflow:${switch}:2"
223 \ Should Contain ${resp.content} "source-tp":"openflow:${switch}:2"
224 \ Should Contain ${resp.content} "dest-tp":"openflow:${switch}:2"
225 \ ${edge} Evaluate ${switch}==1 or ${switch}==${switches}
226 \ Run Keyword Unless ${edge} Should Contain ${resp.content} "tp-id":"openflow:${switch}:3"
227 \ Run Keyword Unless ${edge} Should Contain ${resp.content} "source-tp":"openflow:${switch}:3"
228 \ Run Keyword Unless ${edge} Should Contain ${resp.content} "dest-tp":"openflow:${switch}:3"
231 [Arguments] ${switches}
232 [Documentation] Check no switch is in inventory
233 ${resp} RequestsLibrary.Get session ${OPERATIONAL_NODES_API}
234 Log To Console Checking No Switches
235 Should Be Equal As Strings ${resp.status_code} 200
236 : FOR ${switch} IN RANGE 1 ${switches+1}
237 \ Should Not Contain ${resp.content} openflow:${switch}
240 [Arguments] ${switches}
241 [Documentation] Check no switch is in topology
242 ${resp} RequestsLibrary.Get session ${OPERATIONAL_TOPO_API}
243 Log To Console Checking No Topology
244 Should Be Equal As Strings ${resp.status_code} 200
245 : FOR ${switch} IN RANGE 1 ${switches+1}
246 \ Should Not Contain ${resp.content} openflow:${switch}
248 Stop Mininet Simulation
249 [Documentation] Stop mininet
250 Log To Console Stopping Mininet
251 Switch Connection ${mininet_conn_id}
254 Read Until ${DEFAULT_LINUX_PROMPT}
257 Scalability Suite Teardown