5 Library ./UtilLibrary.py
6 Resource KarafKeywords.robot
7 Variables ../variables/Variables.py
10 # TODO: Introduce ${tree_size} and use instead of 1 in the next line.
11 ${start} sudo mn --controller=remote,ip=${CONTROLLER} --topo tree,1 --switch ovsk,protocols=OpenFlow13
15 [Documentation] Basic setup/cleanup work that can be done safely before any system
17 [Arguments] ${system}=${MININET} ${user}=${MININET_USER} ${password}=${MININET_PASSWORD} ${prompt}=${DEFAULT_LINUX_PROMPT} ${timeout}=30s
18 Log Start the test on the base edition
20 ${mininet_conn_id}= Open Connection ${system} prompt=${DEFAULT_LINUX_PROMPT} timeout=${timeout}
21 Set Suite Variable ${mininet_conn_id}
22 Flexible Mininet Login user=${user} password=${password}
23 Execute Command sudo ovs-vsctl set-manager ptcp:6644
28 [Arguments] ${system}=${MININET} ${cmd}=${start} ${custom}=${OVSDB_CONFIG_DIR}/ovsdb.py ${user}=${MININET_USER} ${password}=${MININET_PASSWORD} ${prompt}=${DEFAULT_LINUX_PROMPT} ${prompt_timeout}=30s
29 [Documentation] Basic setup to start mininet with custom topology
30 Log Start the test on the base edition
32 ${mininet_conn_id}= Open Connection ${system} prompt=${prompt} timeout=${prompt_timeout}
33 Set Suite Variable ${mininet_conn_id}
34 Flexible Mininet Login user=${user} password=${password}
38 [Return] ${mininet_conn_id}
41 [Arguments] ${mininet_conn_id} ${prompt}=${DEFAULT_LINUX_PROMPT}
42 [Documentation] Basic setup to stop/clean mininet
43 Switch Connection ${mininet_conn_id}
49 [Arguments] ${prompt}=${DEFAULT_LINUX_PROMPT}
50 [Documentation] Cleanup/Shutdown work that should be done at the completion of all
52 Log Stop the test on the base edition
53 Switch Connection ${mininet_conn_id}
59 Ensure All Nodes Are In Response
60 [Arguments] ${URI} ${node_list}
61 [Documentation] A GET is made to the supplied ${URI} and every item in the ${node_list}
62 ... is verified to exist in the repsonse. This keyword currently implies that it's node
63 ... specific but any list of strings can be given in ${node_list}. Refactoring of this
64 ... to make it more generic should be done. (see keyword "Check For Elements At URI")
65 : FOR ${node} IN @{node_list}
66 \ ${resp} RequestsLibrary.Get session ${URI}
67 \ Should Be Equal As Strings ${resp.status_code} 200
68 \ Should Contain ${resp.content} ${node}
72 [Documentation] A GET on the /node/${node} API is made and specific flow stat
73 ... strings are checked for existence.
74 ${resp} RequestsLibrary.Get session ${OPERATIONAL_NODES_API}/node/${node}
75 Should Be Equal As Strings ${resp.status_code} 200
76 Should Contain ${resp.content} flow-capable-node-connector-statistics
77 Should Contain ${resp.content} flow-table-statistics
79 Check That Port Count Is Ok
80 [Arguments] ${node} ${count}
81 [Documentation] A GET on the /port API is made and the specified port ${count} is
82 ... verified. A more generic Keyword "Check For Specific Number Of Elements At URI"
83 ... also does this work and further consolidation should be done.
84 ${resp} RequestsLibrary.Get session ${REST_CONTEXT}/${CONTAINER}/port
86 Should Be Equal As Strings ${resp.status_code} 200
87 Should Contain X Times ${resp.content} ${node} ${count}
89 Check For Specific Number Of Elements At URI
90 [Arguments] ${uri} ${element} ${expected_count}
91 [Documentation] A GET is made to the specified ${URI} and the specific count of a
92 ... given element is done (as supplied by ${element} and ${expected_count})
93 ${resp} RequestsLibrary.Get session ${uri}
95 Should Be Equal As Strings ${resp.status_code} 200
96 Should Contain X Times ${resp.content} ${element} ${expected_count}
98 Check For Elements At URI
99 [Arguments] ${uri} ${elements}
100 [Documentation] A GET is made at the supplied ${URI} and every item in the list of
101 ... ${elements} is verified to exist in the response
102 ${resp} RequestsLibrary.Get session ${uri}
104 Should Be Equal As Strings ${resp.status_code} 200
105 : FOR ${i} IN @{elements}
106 \ Should Contain ${resp.content} ${i}
108 Check For Elements Not At URI
109 [Arguments] ${uri} ${elements}
110 [Documentation] A GET is made at the supplied ${URI} and every item in the list of
111 ... ${elements} is verified to NOT exist in the response
112 ${resp} RequestsLibrary.Get session ${uri}
114 Should Be Equal As Strings ${resp.status_code} 200
115 : FOR ${i} IN @{elements}
116 \ Should Not Contain ${resp.content} ${i}
119 [Arguments] ${system}=${MININET}
120 Run Command On Mininet ${system} sudo mn -c
121 Run Command On Mininet ${system} sudo ps -elf | egrep 'usr/local/bin/mn' | egrep python | awk '{print "sudo kill -9",$4}' | sh
124 [Arguments] ${system}=${MININET}
125 [Documentation] Cleans up the OVS instance and remove any existing common known bridges.
126 ${output}= Run Command On Mininet ${system} sudo ovs-vsctl list-br
128 : FOR ${i} IN ${output}
129 \ Run Command On Mininet ${system} sudo ovs-vsctl --if-exists del-br ${i}
130 Run Command On Mininet ${system} sudo ovs-vsctl del-manager
132 Extract Value From Content
133 [Arguments] ${content} ${index} ${strip}=nostrip
134 [Documentation] Will take the given response content and return the value at the given index as a string
135 ${value}= Get Json Value ${content} ${index}
136 ${value}= Convert To String ${value}
137 ${value}= Run Keyword If '${strip}' == 'strip' Strip Quotes ${value}
140 Get Process ID Based On Regex On Remote System
141 [Arguments] ${system} ${regex_string_to_match_on} ${user}=${MININET_USER} ${password}=${EMPTY} ${prompt}=${DEFAULT_LINUX_PROMPT} ${prompt_timeout}=30s
142 [Documentation] Uses ps to find a process that matches the supplied regex. Returns the PID of that process
143 ... The ${regex_string_to_match_on} should produce a unique process otherwise the PID returned may not be
145 # doing the extra -v grep in this command to exclude the grep process itself from the output
146 ${cmd}= Set Variable ps -elf | grep -v grep | grep ${regex_string_to_match_on} | awk '{print $4}'
147 ${output}= Run Command On Remote System ${system} ${cmd} user=${user} password=${password} prompt=${prompt} prompt_timeout=${prompt_timeout}
148 # ${output} contains the system prompt and all we want is the value of the number
149 ${pid}= Fetch From Left ${output} \r
151 # TODO: Get Process * keywords have perhaps non-standard default credentials.
152 # ... Should there be * On Mininet and * On Controller specializations?
154 Get Process Thread Count On Remote System
155 [Arguments] ${system} ${pid} ${user}=${MININET_USER} ${password}=${EMPTY} ${prompt}=${DEFAULT_LINUX_PROMPT} ${prompt_timeout}=30s
156 [Documentation] Executes the ps command to retrieve the lightweight process (aka thread) count.
157 ${cmd}= ps --no-headers -o nlwp ${pid}
158 ${output}= Run Command On Remote System ${system} ${cmd} user=${user} password=${password} prompt=${prompt} prompt_timeout=${prompt_timeout}
159 # ${output} contains the system prompt and all we want is the value of the number
160 ${thread_count}= Fetch From Left ${output} \r
161 [Return] ${thread_count}
164 [Arguments] ${string_to_strip}
165 [Documentation] Will strip ALL quotes from given string and return the new string
166 ${string_to_return}= Replace String ${string_to_strip} " \ count=-1
167 [Return] ${string_to_return}
170 [Arguments] ${user} ${password}=${EMPTY} ${delay}=0.5s
171 [Documentation] On active SSH session: if given non-empty password, do Login, else do Login With Public Key.
172 ${pwd_length} = BuiltIn.Get Length ${password}
173 # ${pwd_length} is guaranteed to be an integer, so we are safe to evaluate it as Python expression.
174 BuiltIn.Run Keyword And Return If ${pwd_length} > 0 SSHLibrary.Login ${user} ${password} delay=${delay}
175 BuiltIn.Run Keyword And Return SSHLibrary.Login With Public Key ${user} ${USER_HOME}/.ssh/${SSH_KEY} ${KEYFILE_PASS} delay=${delay}
177 Flexible Mininet Login
178 [Arguments] ${user}=${MININET_USER} ${password}=${MININET_PASSWORD} ${delay}=0.5s
179 [Documentation] Call Flexible SSH Login, but with default values suitable for Mininet machine.
180 BuiltIn.Run Keyword And Return Flexible SSH Login user=${user} password=${password} delay=${delay}
182 Flexible Controller Login
183 [Arguments] ${user}=${CONTROLLER_USER} ${password}=${CONTROLLER_PASSWORD} ${delay}=0.5s
184 [Documentation] Call Flexible SSH Login, but with default values suitable for Controller machine.
185 BuiltIn.Run Keyword And Return Flexible SSH Login user=${user} password=${password} delay=${delay}
187 Run Command On Remote System
188 [Arguments] ${system} ${cmd} ${user}=${MININET_USER} ${password}=${EMPTY} ${prompt}=${DEFAULT_LINUX_PROMPT} ${prompt_timeout}=30s
189 [Documentation] Reduces the common work of running a command on a remote system to a single higher level
190 ... robot keyword, taking care to log in with a public key and. The command given is written
191 ... and the output returned. No test conditions are checked.
192 Log Attempting to execute ${cmd} on ${system} by ${user} with ${keyfile_pass} and ${prompt}
193 ${conn_id}= SSHLibrary.Open Connection ${system} prompt=${prompt} timeout=${prompt_timeout}
194 Flexible SSH Login ${user} ${password}
195 SSHLibrary.Write ${cmd}
196 ${output}= SSHLibrary.Read Until ${prompt}
197 SSHLibrary.Close Connection
201 Run Command On Mininet
202 [Arguments] ${system}=${MININET} ${cmd}=echo ${user}=${MININET_USER} ${password}=${MININET_PASSWORD} ${prompt}=${DEFAULT_LINUX_PROMPT} ${prompt_timeout}=30s
203 [Documentation] Call Run Comand On Remote System, but with default values suitable for Mininet machine.
204 BuiltIn.Run Keyword And Return Run Command On Remote System ${system} ${cmd} user=${user} password=${password} prompt=${prompt} prompt_timeout=${prompt_timeout}
206 Run Command On Controller
207 [Arguments] ${system}=${CONTROLLER} ${cmd}=echo ${user}=${CONTROLLER_USER} ${password}=${CONTROLLER_PASSWORD} ${prompt}=${DEFAULT_LINUX_PROMPT} ${prompt_timeout}=30s
208 [Documentation] Call Run Comand On Remote System, but with default values suitable for Controller machine.
209 BuiltIn.Run Keyword And Return Run Command On Remote System ${system} ${cmd} user=${user} password=${password} prompt=${prompt} prompt_timeout=${prompt_timeout}
211 Verify File Exists On Remote System
212 [Arguments] ${system} ${file} ${user}=${MININET_USER} ${password}=${MININET_PASSWORD} ${prompt}=${DEFAULT_LINUX_PROMPT} ${prompt_timeout}=5s
213 [Documentation] Will create connection with public key and will PASS if the given ${file} exists,
214 ... otherwise will FAIL
215 ${conn_id}= Open Connection ${system} prompt=${prompt} timeout=${prompt_timeout}
216 Flexible SSH Login ${user} ${password}
217 SSHLibrary.File Should Exist ${file}
220 Verify Controller Is Not Dead
221 [Arguments] ${controller_ip}=${CONTROLLER}
222 [Documentation] Will execute any tests to verify the controller is not dead. Some checks are
223 ... Out Of Memory Execptions.
224 Check Karaf Log File Does Not Have Messages ${controller_ip} java.lang.OutOfMemoryError
225 # TODO: Should Verify Controller * keywords also accept user, password, prompt and karaf_log arguments?
227 Verify Controller Has No Null Pointer Exceptions
228 [Arguments] ${controller_ip}=${CONTROLLER}
229 [Documentation] Will execute any tests to verify the controller is not having any null pointer eceptions.
230 Check Karaf Log File Does Not Have Messages ${controller_ip} java.lang.NullPointerException
234 [Documentation] Get the Epoc time from MM/DD/YYYY HH:MM:SS
235 ${epoch_time}= Convert Date ${time} epoch exclude_milles=True date_format=%m/%d/%Y %H:%M:%S
236 ${epoch_time}= Convert To Integer ${epoch_time}
237 [Return] ${epoch_time}
239 Remove Space on String
240 [Arguments] ${str} ${count}=-1
241 [Documentation] Remove the empty space from given string.count is optional,if its given
242 ... that many occurence of space will be removed from left
243 ${x}= Convert To String ${str}
244 ${x}= Replace String ${str} ${SPACE} ${EMPTY} count=${count}
247 Split Value from String
248 [Arguments] ${str} ${splitter}
249 [Documentation] Split the String based on given splitter and return as list
250 @{x}= Split String ${str} ${splitter}
253 Concatenate the String
254 [Arguments] ${str1} ${str2}
255 [Documentation] Catenate the two non-string objects and return as String
256 ${str1}= Convert to String ${str1}
257 ${str2}= Convert to String ${str2}
258 ${output}= Catenate ${str1} ${str2}
261 Remove All Elements At URI
263 ${resp} RequestsLibrary.Delete session ${uri}
264 Should Be Equal As Strings ${resp.status_code} 200
266 Add Elements To URI From File
267 [Arguments] ${dest_uri} ${data_file}
268 ${body} OperatingSystem.Get File ${data_file}
269 ${resp} RequestsLibrary.Put session ${dest_uri} data=${body} headers=${headers}
270 Should Be Equal As Strings ${resp.status_code} 200
272 Post Elements To URI From File
273 [Arguments] ${dest_uri} ${data_file}
274 ${body} OperatingSystem.Get File ${data_file}
275 ${resp} RequestsLibrary.Post session ${dest_uri} data=${body} headers=${headers}
276 Should Be Equal As Strings ${resp.status_code} 200