csit/libraries/VtnCoKeywords.robot

   1 *** Settings ***
   2 Library           SSHLibrary
   3 Library           String
   4 Library           DateTime
   5 Library           RequestsLibrary
   6 Library           json
   7 Library           SSHLibrary
   8 Library           Collections
   9 Library           XML
  10 Variables         ../variables/Variables.py
  11 Resource          ./CompareStream.robot
  12 Resource          ./Utils.robot
  13 Resource          ./MininetKeywords.robot
  14
  15 *** variable ***
  16 ${vlan_topo}      --custom vlan_vtn_test.py --topo vlantopo
  17 ${vtn_coordinator_nexus_path}    https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/org/opendaylight/vtn/distribution.vtn-coordinator
  18 ${vtn_dist}       distribution.vtn-coordinator
  19
  20 *** Keywords ***
  21 Get VtnCo
  22     [Documentation]    Download the VTN Coordinator from Controller VM
  23     Log    Download the VTN Coordinator bz2 file
  24     SSHLibrary.Open_Connection    ${ODL_SYSTEM_IP}
  25     SSHLibrary.Login_With_Public_Key    ${ODL_SYSTEM_USER}    ${USER_HOME}/.ssh/${SSH_KEY}    any
  26     ${VTNC_FILENAME}=    Catenate    SEPARATOR=/    ${WORKSPACE}    vtn_coordinator.tar.bz2
  27     SSHLibrary.Get_File    ${WORKSPACE}/${BUNDLEFOLDER}/externalapps/*vtn-coordinator*-bin.tar.bz2    ${VTNC_FILENAME}
  28     SSHLibrary.Close_Connection
  29     SSHLibrary.Open_Connection    ${TOOLS_SYSTEM_IP}
  30     SSHLibrary.Login_With_Public_Key    ${TOOLS_SYSTEM_USER}    ${USER_HOME}/.ssh/${SSH_KEY}    any
  31     SSHLibrary.Put_File    ${VTNC_FILENAME}    /tmp
  32     SSHLibrary.Close_Connection
  33
  34 Start SuiteVtnCo
  35     [Documentation]    Download and startup the VTN Coordinator.
  36     Log    Start the VTN Coordinator
  37     #Get VtnCo
  38     ${vtnc_conn_id}=    SSHLibrary.Open Connection    ${ODL_SYSTEM_IP}    prompt=${DEFAULT_LINUX_PROMPT}    timeout=30s
  39     Set Suite Variable    ${vtnc_conn_id}
  40     SSHLibrary.Login_With_Public_Key    ${ODL_SYSTEM_USER}    ${USER_HOME}/.ssh/${SSH_KEY}    any
  41     SSHLibrary.Execute Command    sudo mkdir -p /usr/local/vtn
  42     SSHLibrary.Execute Command    sudo chown jenkins /usr/local/vtn
  43     SSHLibrary.Execute Command    sudo yum install -q -y https://download.postgresql.org/pub/repos/yum/9.3/redhat/rhel-7-x86_64/pgdg-centos93-9.3-3.noarch.rpm
  44     SSHLibrary.Execute Command    sudo yum install -q -y postgresql93-libs postgresql93 postgresql93-server postgresql93-contrib postgresql93-odbc-09.06.0300
  45     CompareStream.Run_Keyword_If_At_Least_Else    boron    Download VtnCo Distribution
  46     ...    ELSE    SSHLibrary.Execute Command    tar -C/ -jxvf ${WORKSPACE}/${BUNDLEFOLDER}/externalapps/${vtn_dist}*-bin.tar.bz2
  47     SSHLibrary.Execute Command    /usr/local/vtn/sbin/db_setup
  48     SSHLibrary.Execute Command    /usr/local/vtn/bin/vtn_start
  49     SSHLibrary.Execute Command    /usr/local/vtn/bin/unc_dmctl status
  50     SSHLibrary.Execute Command    /usr/local/vtn/sbin/db_setup
  51     SSHLibrary.Execute Command    sed -i 's/odcdrv_ping_interval = 30/odcdrv_ping_interval = 10/g' /usr/local/vtn/modules/odcdriver.conf
  52     SSHLibrary.Execute Command    sed -i 's/physical_attributes_read_interval = 40/physical_attributes_read_interval = 15/g' /usr/local/vtn/modules/vtndrvintf.conf
  53     SSHLibrary.Execute Command    /usr/local/vtn/bin/vtn_start
  54     SSHLibrary.Execute Command    /usr/local/vtn/bin/unc_dmctl status
  55     SSHLibrary.Execute Command    /usr/local/vtn/bin/drvodc_control loglevel trace
  56     SSHLibrary.Execute Command    /usr/local/vtn/bin/lgcnw_control loglevel trace
  57     SSHLibrary.Execute Command    exit
  58
  59 Download VtnCo Distribution
  60     # TODO: https://trello.com/c/fDiIUFMv/431-remove-hardcoded-versions-of-vtn-coordinator-in-libraries-vtncokeywords-robot
  61     SSHLibrary.Execute Command    wget "${vtn_coordinator_nexus_path}/maven-metadata.xml"
  62     CompareStream.Run_Keyword_If_At_Least_Boron    SSHLibrary.Get_file    maven-metadata.xml
  63     ${boron_version}=    XML.Get Element Text    maven-metadata.xml    xpath=.//versions/version[1]
  64     ${boron_version_val}=    SSHLibrary.Execute Command    echo ${boron_version} | awk -F"-" '{print $1}'
  65     ${carbon_version}=    XML.Get Element Text    maven-metadata.xml    xpath=.//versions/version[2]
  66     ${carbon_version_val}=    SSHLibrary.Execute Command    echo ${carbon_version} | awk -F"-" '{print $1}'
  67     ${nitrogen_version}=    XML.Get Element Text    maven-metadata.xml    xpath=.//versions/version[3]
  68     ${nitrogen_version_val}=    SSHLibrary.Execute Command    echo ${carbon_version} | awk -F"-" '{print $1}'
  69     SSHLibrary.Execute Command    sudo mv maven-metadata.xml old-maven-metadata.xml
  70     CompareStream.Run_Keyword_If_Equals    boron    SSHLibrary.Execute Command    wget "${vtn_coordinator_nexus_path}/${boron_version}/maven-metadata.xml"
  71     CompareStream.Run_Keyword_If_Equals    carbon    SSHLibrary.Execute Command    wget "${vtn_coordinator_nexus_path}/${carbon_version}/maven-metadata.xml"
  72     CompareStream.Run_Keyword_If_Equals    nitrogen    SSHLibrary.Execute Command    wget "${vtn_coordinator_nexus_path}/${nitrogen_version}/maven-metadata.xml"
  73     CompareStream.Run_Keyword_If_At_Least_Boron    SSHLibrary.Get_file    maven-metadata.xml
  74     ${value}=    XML.Get Element Text    maven-metadata.xml    xpath=.//snapshotVersion[1]/value
  75     CompareStream.Run_Keyword_If_Equals    boron    SSHLibrary.Execute Command    wget '${vtn_coordinator_nexus_path}/${boron_version}/${vtn_dist}-${value}-bin.tar.bz2'
  76     CompareStream.Run_Keyword_If_Equals    carbon    SSHLibrary.Execute Command    wget '${vtn_coordinator_nexus_path}/${carbon_version}/${vtn_dist}-${value}-bin.tar.bz2'
  77     CompareStream.Run_Keyword_If_Equals    nitrogen    SSHLibrary.Execute Command    wget '${vtn_coordinator_nexus_path}/${nitrogen_version}/${vtn_dist}-${value}-bin.tar.bz2'
  78     SSHLibrary.Execute Command    tar -C/ -jxvf ${vtn_dist}*-bin.tar.bz2
  79
  80 Stop SuiteVtnCo
  81     [Documentation]    Exit the Launch Test
  82     Log    Stop the Launch Test
  83
  84 Start SuiteVtnCoTest
  85     [Documentation]    Start the VTNCo Test
  86     Create Session    session    http://${ODL_SYSTEM_IP}:8083    headers=${VTNC_HEADERS}
  87
  88 Stop SuiteVtnCoTest
  89     [Documentation]    Exit the VtnCo Test
  90     Delete All Sessions
  91
  92 Get Coordinator Version
  93     [Documentation]    Get API version for testing
  94     ${resp}    RequestsLibrary.Get Request    session    ${VTNWEBAPI}/api_version
  95     Should Be Equal As Strings    ${resp.status_code}    200
  96
  97 Add a Controller
  98     [Arguments]    ${ctrlname}    ${ctrlip}
  99     [Documentation]    Create a controller
 100     ${controllerinfo}    Create Dictionary    controller_id=${ctrlname}    type=odc    ipaddr=${ctrlip}    version=1.0
 101     ${controllercreate}    Create Dictionary    controller=${controllerinfo}
 102     ${controllercreate_json}=    json.dumps    ${controllercreate}
 103     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${CTRLS_CREATE}    data=${controllercreate_json}
 104     Should Be Equal As Strings    ${resp.status_code}    201
 105
 106 Remove Controller
 107     [Arguments]    ${ctrlname}
 108     [Documentation]    Delete a Controller
 109     ${resp}    RequestsLibrary.Delete Request    session    ${VTNWEBAPI}/${CTRLS}/${ctrlname}.json
 110     Should Be Equal As Strings    ${resp.status_code}    204
 111
 112 Update Controller
 113     [Arguments]    ${ctrlname}    ${ctrlip}    ${desc}
 114     [Documentation]    Update controller
 115     ${controllerinfo}    Create Dictionary    description=${desc}    ipaddr=${ctrlip}    version=1.0
 116     ${controllerupdate}    Create Dictionary    controller=${controllerinfo}
 117     ${controllerupdate_json}=    json.dumps    ${controllerupdate}
 118     ${resp}    RequestsLibrary.Put Request    session    ${VTNWEBAPI}/${CTRLS}/${ctrlname}.json    data=${controllerupdate_json}
 119     Should Be Equal As Strings    ${resp.status_code}    204
 120
 121 Audit Controller
 122     [Arguments]    ${ctrlname}
 123     [Documentation]    Trigger Manual Audit
 124     ${auditinfo}    Create Dictionary    force=false    real-network_audit=false
 125     ${auditupdate}    Create Dictionary    audit=${auditinfo}
 126     ${auditupdate_json}=    json.dumps    ${auditupdate}
 127     ${resp}    RequestsLibrary.Put Request    session    ${VTNWEBAPI}/${CTRLS}/${ctrlname}/audit.json    data=${auditupdate_json}
 128     Should Be Equal As Strings    ${resp.status_code}    204
 129
 130 Check Controller Status
 131     [Arguments]    ${ctrlname}    ${stat}
 132     [Documentation]    Get controller status
 133     ${resp}    RequestsLibrary.Get Request    session    ${VTNWEBAPI}/${CTRLS}/${ctrlname}.json
 134     ${contents}    To JSON    ${resp.content}
 135     ${controllerblock}    Get From Dictionary    ${contents}    controller
 136     ${status}    Get From Dictionary    ${controllerblock}    operstatus
 137     Should Be Equal As Strings    ${status}    ${stat}
 138
 139 Add a VTN
 140     [Arguments]    ${vtnname}    ${vtndescription}
 141     [Documentation]    Create VTN in Coordinator
 142     ${vtninfo}    Create Dictionary    vtn_name=${vtnname}    description=${vtndescription}
 143     ${vtncreate}    Create Dictionary    vtn=${vtninfo}
 144     ${vtncreate_json}=    json.dumps    ${vtncreate}
 145     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${VTNS_CREATE}    data=${vtncreate_json}
 146     Should Be Equal As Strings    ${resp.status_code}    201
 147
 148 Delete a VTN
 149     [Arguments]    ${vtnname}
 150     [Documentation]    Delete a VTN Created
 151     ${resp}    RequestsLibrary.Delete Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}.json
 152     Should Be Equal As Strings    ${resp.status_code}    204
 153
 154 Create VBR in VTN
 155     [Arguments]    ${vtnname}    ${vbrname}    ${ctrlname}
 156     [Documentation]    Create VBR for VTN in Coordinator
 157     ${vbrinfo}    Create Dictionary    vbr_name=${vbrname}    controller_id=${ctrlname}    domain_id=(DEFAULT)
 158     ${vbrcreate}    Create Dictionary    vbridge=${vbrinfo}
 159     ${vbrcreate_json}=    json.dumps    ${vbrcreate}
 160     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${VBRS_CREATE}    data=${vbrcreate_json}
 161     Run Keyword If    '${vbrname}' == 'Vbr_audit'    Should Be Equal As Strings    ${resp.status_code}    202
 162     ...    ELSE    Should Be Equal As Strings    ${resp.status_code}    201
 163
 164 Create VBRIF in VBR
 165     [Arguments]    ${vtnname}    ${vbrname}    ${vbrifname}    ${ifdescription}    ${retcode}
 166     [Documentation]    Create VBR Interface in VBR
 167     ${vbrifinfo}    Create Dictionary    if_name=${vbrifname}    description=${ifdescription}
 168     ${vbrifcreate}    Create Dictionary    interface=${vbrifinfo}
 169     ${vbrifcreate_json}=    json.dumps    ${vbrifcreate}
 170     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${VBRS}/${vbrname}/${VBRIFS_CREATE}    data=${vbrifcreate_json}
 171     Should Be Equal As Strings    ${resp.status_code}    ${retcode}
 172
 173 Define Portmap for VBRIF
 174     [Arguments]    ${vtnname}    ${vbrname}    ${vbrifname}    ${logical_port_id}
 175     [Documentation]    Map Interface to a logical port
 176     ${logical_port_info}    Create Dictionary    logical_port_id=${logical_port_id}
 177     ${portmapdefine}    Create Dictionary    portmap=${logical_port_info}
 178     ${portmapdefine_json}=    json.dumps    ${portmapdefine}
 179     ${resp}    RequestsLibrary.Put Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${VBRS}/${vbrname}/${VBRIFS}/${vbrifname}/${PORTMAP_CREATE}    data=${portmapdefine_json}
 180     Should Be Equal As Strings    ${resp.status_code}    204
 181
 182 Add a FLOWLIST
 183     [Arguments]    ${flowlistname}    ${ipversion}
 184     [Documentation]    Create FLOWLIST in Coordinator
 185     ${flowlistinfo}    Create Dictionary    fl_name=${flowlistname}    ip_version=${ipversion}
 186     ${flowlistcreate}    Create Dictionary    flowlist=${flowlistinfo}
 187     ${flowlistcreate_json}=    json.dumps    ${flowlistcreate}
 188     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${FLOWLISTS_CREATE}    data=${flowlistcreate_json}
 189     Should Be Equal As Strings    ${resp.status_code}    201
 190
 191 Create FLOWLISTENTRY
 192     [Arguments]    ${flowlistname}
 193     [Documentation]    Create Flowlistentry for Coordinator
 194     ${flowlistentryinfo}    Create Dictionary    seqnum=233    macethertype=0x800    ipdstaddr=10.0.0.1    ipdstaddrprefix=32    ipsrcaddr=10.0.0.3
 195     ...    ipsrcaddrprefix=32    ipproto=1
 196     ${flowlistentrycreate}    Create Dictionary    flowlistentry=${flowlistentryinfo}
 197     ${flowlistentrycreate_json}=    json.dumps    ${flowlistentrycreate}
 198     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${FLOWLISTS}/${flowlistname}/${FLOWLISTENTRIES_CREATE}    data=${flowlistentrycreate_json}
 199     Should Be Equal As Strings    ${resp.status_code}    201
 200
 201 Create FLOWLISTENTRY_ANY in FLOWLIST
 202     [Arguments]    ${flowlistname}
 203     [Documentation]    Create Flowlistentry_any for Coordinator
 204     ${flowlistentryinfo}    Create Dictionary    seqnum=1
 205     ${flowlistentrycreate}    Create Dictionary    flowlistentry=${flowlistentryinfo}
 206     ${flowlistentrycreate_json}=    json.dumps    ${flowlistentrycreate}
 207     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${FLOWLISTS}/${flowlistname}/${FLOWLISTENTRIES_CREATE}    data=${flowlistentrycreate_json}
 208     Should Be Equal As Strings    ${resp.status_code}    201
 209
 210 Create VBRIF in FLOWFILTER
 211     [Arguments]    ${vtnname}    ${vbrname}    ${vbrifname}    ${ff_type}
 212     [Documentation]    create vbridge interface flowfilter
 213     ${flowfilters_info}    Create Dictionary    ff_type=${ff_type}
 214     ${flowfiltersdefine}    Create Dictionary    flowfilter=${flowfilters_info}
 215     ${flowfiltersdefine_json}=    json.dumps    ${flowfiltersdefine}
 216     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${VBRS}/${vbrname}/${VBRIFS}/${vbrifname}/${FLOWFILTERS_CREATE}    data=${flowfiltersdefine_json}
 217     Should Be Equal As Strings    ${resp.status_code}    201
 218
 219 Create FLOWFILTERENTRY DROP In VBRIFFLOWFILTER
 220     [Arguments]    ${vtnname}    ${vbrname}    ${vbrifname}    ${actiontype}
 221     [Documentation]    create domonstration with pass actiontype
 222     ${flowfilterentryinfo}    Create Dictionary    seqnum=233    fl_name=Flowlist1    action_type=${actiontype}    priority=3    dscp=55
 223     ${flowfilterentrycreate}    Create Dictionary    flowfilterentry=${flowfilterentryinfo}
 224     ${flowfilterentrycreate_json}=    json.dumps    ${flowfilterentrycreate}
 225     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${VBRS}/${vbrname}/${VBRIFS}/${vbrifname}/${FLOWFILTERS}/${FLOWFILTERENTRIES_CREATE}    data=${flowfilterentrycreate_json}
 226     Should Be Equal As Strings    ${resp.status_code}    201
 227
 228 Create FLOWFILTERENTRY PASS In VBRIFFLOWFILTER
 229     [Arguments]    ${vtnname}    ${vbrname}    ${vbrifname}    ${actiontype}    ${seqnum}
 230     [Documentation]    create domonstration with pass actiontype
 231     ${flowfilterentryinfo}    Create Dictionary    fl_name=Flowlist1    action_type=${actiontype}    priority=3    dscp=55
 232     ${flowfilterentrycreate}    Create Dictionary    flowfilterentry=${flowfilterentryinfo}
 233     ${flowfilterentrycreate_json}=    json.dumps    ${flowfilterentrycreate}
 234     ${resp}    RequestsLibrary.Put Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${VBRS}/${vbrname}/${VBRIFS}/${vbrifname}/${FLOWFILTERS}/${FLOWFILTERS_UPDATE}/${seqnum}    data=${flowfilterentrycreate_json}
 235     Should Be Equal As Strings    ${resp.status_code}    204
 236
 237 Create FLOWFILTER in VBR
 238     [Arguments]    ${vtnname}    ${vbrname}    ${ff_type}
 239     [Documentation]    create vtn flowfilter
 240     ${flowfilters_info}    Create Dictionary    ff_type=${ff_type}
 241     ${flowfiltersdefine}    Create Dictionary    flowfilter=${flowfilters_info}
 242     ${flowfiltersdefine_json}=    json.dumps    ${flowfiltersdefine}
 243     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${VBRS}/${vbrname}/${FLOWFILTERS_CREATE}    data=${flowfiltersdefine_json}
 244     Should Be Equal As Strings    ${resp.status_code}    201
 245
 246 Create FLOWFILTERENTRY PASS in VBRFLOWFILTER
 247     [Arguments]    ${vtnname}    ${vbrname}    ${actiontype}
 248     [Documentation]    create domonstration with pass actiontype
 249     ${flowfilterentryinfo}    Create Dictionary    seqnum=233    fl_name=Flowlist1    action_type=${actiontype}    priority=3    dscp=55
 250     ${flowfilterentryinfo_1}    Create Dictionary    vnode_name=${vbrname}    fl_name=Flowlist1    direction=in
 251     ${flowfilterentrycreate}    Create Dictionary    flowfilterentry=${flowfilterentryinfo}
 252     ${flowfilterentrycreate_json}=    json.dumps    ${flowfilterentrycreate}
 253     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${VBRS}/${vbrname}/${FLOWFILTERS}/${FLOWFILTERENTRIES_CREATE}    data=${flowfilterentrycreate_json}
 254     Should Be Equal As Strings    ${resp.status_code}    201
 255
 256 Create FLOWFILTER in VTN
 257     [Arguments]    ${vtnname}    ${ff_type}
 258     [Documentation]    create vtn flowfilter
 259     ${flowfilters_info}    Create Dictionary    ff_type=${ff_type}
 260     ${flowfiltersdefine}    Create Dictionary    flowfilter=${flowfilters_info}
 261     ${flowfiltersdefine_json}=    json.dumps    ${flowfiltersdefine}
 262     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${FLOWFILTERS_CREATE}    data=${flowfiltersdefine_json}
 263     Should Be Equal As Strings    ${resp.status_code}    201
 264
 265 Create FLOWFILTERENTRY PASS in VTNFLOWFILTER
 266     [Arguments]    ${vtnname}    ${actiontype}
 267     [Documentation]    create domonstration with pass actiontype
 268     ${flowfilterentryinfo}    Create Dictionary    seqnum=233    fl_name=Flowlist1    action_type=${actiontype}    priority=3    dscp=55
 269     ${flowfilterentrycreate}    Create Dictionary    flowfilterentry=${flowfilterentryinfo}
 270     ${flowfilterentrycreate_json}=    json.dumps    ${flowfilterentrycreate}
 271     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${FLOWFILTERS}/${FLOWFILTERENTRIES_CREATE}    data=${flowfilterentrycreate_json}
 272     Should Be Equal As Strings    ${resp.status_code}    201
 273
 274 Create VLANMAP in VBRIDGE
 275     [Arguments]    ${vtnname}    ${vbrname}    ${vlanid}
 276     [Documentation]    Create VLANMAP for VBRIDGE in Coordinator
 277     ${vlaninfo}    Create Dictionary    vlan_id=${vlanid}
 278     ${vlancreate}    Create Dictionary    vlanmap=${vlaninfo}
 279     ${vlancreate_json}=    json.dumps    ${vlancreate}
 280     ${resp}    RequestsLibrary.Post Request    session    ${VTNWEBAPI}/${VTNS}/${vtnname}/${VBRS}/${vbrname}/${VLANMAP_CREATE }    data=${vlancreate_json}
 281     Should Be Equal As Strings    ${resp.status_code}    201
 282
 283 Start vlan_topo
 284     [Documentation]    This will start mininet with custom topology on both the Virtual Machines
 285     Install Package On Ubuntu System    vlan
 286     MininetKeywords.Start Mininet Single Controller    ${TOOLS_SYSTEM_IP}    ${ODL_SYSTEM_IP}    ${vlan_topo}    ${CURDIR}/${CREATE_VLAN_TOPOLOGY_FILE_PATH}
 287
 288 Delete a FLOWLIST
 289     [Arguments]    ${flowlistname}
 290     [Documentation]    Delete a Flowlist
 291     ${resp}    RequestsLibrary.Delete Request    session    ${VTNWEBAPI}/${FLOWLISTS}/${flowlistname}.json
 292     Should Be Equal As Strings    ${resp.status_code}    204
 293
 294 Test Ping
 295     [Arguments]    ${host1}    ${host2}
 296     [Documentation]    Ping hosts to check connectivity
 297     Write    ${host1} ping -c 1 ${host2}
 298     ${result}    Read Until    mininet>
 299     Should Contain    ${result}    64 bytes
 300
 301 Verify Switch
 302     [Arguments]    ${ctrlname}    ${switch_id}
 303     [Documentation]    Get switch
 304     ${resp}    RequestsLibrary.Get Request    session    ${VTNWEBAPI}/${CTRLS}/${ctrlname}/${SW}/${switch_id}.json
 305     ${contents}    To JSON    ${resp.content}
 306     ${switchblock}    Get From Dictionary    ${contents}    switch
 307     ${status}    Get From Dictionary    ${switchblock}    switch_id
 308     Should Be Equal As Strings    ${status}    ${switch_id}
 309
 310 Verify SwitchPort
 311     [Arguments]    ${ctrlname}    ${switch_id}
 312     [Documentation]    Get switch
 313     ${resp}    RequestsLibrary.Get Request    session    ${VTNWEBAPI}/${CTRLS}/${ctrlname}/${SW}/${switch_id}/${PORTS}
 314     Should Be Equal As Strings    ${resp.status_code}    200