[ONOS-7475] Refactoring SR tests

Change-Id: I10e51fcb8b416167e6a338e9030933162640af89
diff --git a/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/SRHighAvailability.params b/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/SRHighAvailability.params
index dfee950..517e8f0 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/SRHighAvailability.params
+++ b/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/SRHighAvailability.params
@@ -13,6 +13,8 @@
     </SCALE>
 
     <DEPENDENCY>
+        <useCommonConf>True</useCommonConf>
+        <useCommonTopo>True</useCommonTopo>
         <topology>cord_fabric.py</topology>
     </DEPENDENCY>
 
diff --git a/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/SRHighAvailability.py b/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/SRHighAvailability.py
index 91757f0..1970033 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/SRHighAvailability.py
+++ b/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/SRHighAvailability.py
@@ -43,27 +43,17 @@
         5 ) Pingall
         6 ) Repeat 3 ), 4 ), 5 ) 'failures' times
         """
-        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
-            Testcaselib as run
-        if not hasattr( main, 'apps' ):
-            run.initTest( main )
-
-        description = "High Availability tests - ONOS failures with 2x2 Leaf-spine "
-        main.case( description )
-        run.config( main, '2x2' )
-        run.installOnos( main )
-        run.startMininet( main, 'cord_fabric.py' )
-        # pre-configured routing and bridging test
-        run.checkFlows( main, minFlowCount=116 )
-        run.pingAll( main )
-        for i in range( 0, main.failures ):
-            toKill = i % main.Cluster.numCtrls
-            run.killOnos( main, [ toKill ], '4', '8', '2' )
-            run.pingAll( main, 'CASE1_Failure%d' % ( i + 1 ) )
-            run.recoverOnos( main, [ toKill ], '4', '8', '3' )
-            run.checkFlows( main, minFlowCount=116, tag='CASE1_Recovery%d' % ( i + 1 ) )
-            run.pingAll( main, 'CASE1_Recovery%d' % ( i + 1 ) )
-        run.cleanup( main )
+        try:
+            from tests.USECASE.SegmentRouting.SRHighAvailability.dependencies.SRHAFuncs import SRHAFuncs
+        except ImportError:
+            main.log.error( "SRHAFuncs not found. Exiting the test" )
+            main.cleanAndExit()
+        try:
+            main.funcs
+        except ( NameError, AttributeError ):
+            main.funcs = SRHAFuncs()
+        main.funcs.runTest( main, 1, 3, '2x2',
+                            116, False, False )
 
     def CASE2( self, main ):
         """
@@ -74,31 +64,17 @@
         5 ) Pingall
         6 ) Repeat 3 ), 4 ), 5 ) 'failures' times
         """
-        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
-            Testcaselib as run
-        import random
-        from random import randint
-        from datetime import datetime
-        if not hasattr( main, 'apps' ):
-            run.initTest( main )
-
-        description = "High Availability tests - ONOS random failures with 2x2 Leaf-spine "
-        main.case( description )
-        run.config( main, '2x2' )
-        run.installOnos( main )
-        run.startMininet( main, 'cord_fabric.py' )
-        # pre-configured routing and bridging test
-        run.checkFlows( main, minFlowCount=116 )
-        run.pingAll( main )
-        random.seed( datetime.now() )
-        for i in range( 0, main.failures ):
-            toKill = randint( 0, ( main.Cluster.numCtrls - 1 ) )
-            run.killOnos( main, [ toKill ], '4', '8', '2' )
-            run.pingAll( main, 'CASE2_Failure%d' % ( i + 1 ) )
-            run.recoverOnos( main, [ toKill ], '4', '8', '3' )
-            run.checkFlows( main, minFlowCount=116, tag='CASE2_Recovery%d' % ( i + 1 ) )
-            run.pingAll( main, 'CASE2_Recovery%d' % ( i + 1 ) )
-        run.cleanup( main )
+        try:
+            from tests.USECASE.SegmentRouting.SRHighAvailability.dependencies.SRHAFuncs import SRHAFuncs
+        except ImportError:
+            main.log.error( "SRHAFuncs not found. Exiting the test" )
+            main.cleanAndExit()
+        try:
+            main.funcs
+        except ( NameError, AttributeError ):
+            main.funcs = SRHAFuncs()
+        main.funcs.runTest( main, 2, 3, '2x2',
+                            116, True, False )
 
     def CASE3( self, main ):
         """
@@ -109,27 +85,17 @@
         5 ) Pingall
         6 ) Repeat 3 ), 4 ), 5 ) 'failures' times
         """
-        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
-            Testcaselib as run
-        if not hasattr( main, 'apps' ):
-            run.initTest( main )
-
-        description = "High Availability tests - ONOS failures with 4x4 Leaf-spine "
-        main.case( description )
-        run.config( main, '4x4' )
-        run.installOnos( main )
-        run.startMininet( main, 'cord_fabric.py', args="--leaf=4 --spine=4" )
-        # pre-configured routing and bridging test
-        run.checkFlows( main, minFlowCount=350 )
-        run.pingAll( main )
-        for i in range( 0, main.failures ):
-            toKill = i % main.Cluster.numCtrls
-            run.killOnos( main, [ toKill ], '8', '32', '2' )
-            run.pingAll( main, 'CASE3_Failure%d' % ( i + 1 ) )
-            run.recoverOnos( main, [ toKill ], '8', '32', '3' )
-            run.checkFlows( main, minFlowCount=350, tag='CASE3_Recovery%d' % ( i + 1 ) )
-            run.pingAll( main, 'CASE3_Recovery%d' % ( i + 1 ) )
-        run.cleanup( main )
+        try:
+            from tests.USECASE.SegmentRouting.SRHighAvailability.dependencies.SRHAFuncs import SRHAFuncs
+        except ImportError:
+            main.log.error( "SRHAFuncs not found. Exiting the test" )
+            main.cleanAndExit()
+        try:
+            main.funcs
+        except ( NameError, AttributeError ):
+            main.funcs = SRHAFuncs()
+        main.funcs.runTest( main, 3, 3, '4x4',
+                            350, False, False )
 
     def CASE4( self, main ):
         """
@@ -140,31 +106,17 @@
         5 ) Pingall
         6 ) Repeat 3 ), 4 ), 5 ) 'failures' times
         """
-        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
-            Testcaselib as run
-        import random
-        from random import randint
-        from datetime import datetime
-        if not hasattr( main, 'apps' ):
-            run.initTest( main )
-
-        description = "High Availability tests - ONOS random failures with 4x4 Leaf-spine "
-        main.case( description )
-        run.config( main, '4x4' )
-        run.installOnos( main )
-        run.startMininet( main, 'cord_fabric.py', args="--leaf=4 --spine=4" )
-        # pre-configured routing and bridging test
-        run.checkFlows( main, minFlowCount=350 )
-        run.pingAll( main )
-        random.seed( datetime.now() )
-        for i in range( 0, main.failures ):
-            toKill = randint( 0, ( main.Cluster.numCtrls - 1 ) )
-            run.killOnos( main, [ toKill ], '8', '32', '2' )
-            run.pingAll( main, 'CASE4_Failure%d' % ( i + 1 ) )
-            run.recoverOnos( main, [ toKill ], '8', '32', '3' )
-            run.checkFlows( main, minFlowCount=350, tag='CASE4_Recovery%d' % ( i + 1 ) )
-            run.pingAll( main, 'CASE4_Recovery%d' % ( i + 1 ) )
-        run.cleanup( main )
+        try:
+            from tests.USECASE.SegmentRouting.SRHighAvailability.dependencies.SRHAFuncs import SRHAFuncs
+        except ImportError:
+            main.log.error( "SRHAFuncs not found. Exiting the test" )
+            main.cleanAndExit()
+        try:
+            main.funcs
+        except ( NameError, AttributeError ):
+            main.funcs = SRHAFuncs()
+        main.funcs.runTest( main, 4, 3, '4x4',
+                            350, True, False )
 
     def CASE5( self, main ):
         """
@@ -177,35 +129,17 @@
         7 ) Pingall
         8 ) Repeat 3 ), 4 ), 5 ), 6 ), 7 ), 'failures' times
         """
-        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
-            Testcaselib as run
-        import time
-        if not hasattr( main, 'apps' ):
-            run.initTest( main )
-
-        description = "High Availability tests - ONOS failures and Switch failures with 2x2 Leaf-spine "
-        main.case( description )
-        run.config( main, '2x2' )
-        run.installOnos( main )
-        run.startMininet( main, 'cord_fabric.py' )
-        # pre-configured routing and bridging test
-        run.checkFlows( main, minFlowCount=116 )
-        run.pingAll( main )
-        for i in range( 0, main.failures ):
-            onosToKill = i % main.Cluster.numCtrls
-            switchToKill = i % len( main.spines )
-            run.killOnos( main, [ onosToKill ], '4', '8', '2' )
-            run.pingAll( main, 'CASE5_ONOS_Failure%d' % ( i + 1 ) )
-            run.killSwitch( main, main.spines[ switchToKill ][ 'name' ], switches='3', links='4' )
-            time.sleep( main.switchSleep )
-            run.pingAll( main, "CASE5_SWITCH_Failure%d" % ( i + 1 ) )
-            run.recoverSwitch( main, main.spines[ switchToKill ][ 'name' ], switches='4', links='8' )
-            run.checkFlows( main, minFlowCount=116, tag="CASE5_SWITCH_Recovery%d" % ( i + 1 ) )
-            run.pingAll( main, "CASE5_SWITCH_Recovery%d" % ( i + 1 ) )
-            run.recoverOnos( main, [ onosToKill ], '4', '8', '3' )
-            run.checkFlows( main, minFlowCount=116, tag='CASE5_ONOS_Recovery%d' % ( i + 1 ) )
-            run.pingAll( main, 'CASE5_ONOS_Recovery%d' % ( i + 1 ) )
-        run.cleanup( main )
+        try:
+            from tests.USECASE.SegmentRouting.SRHighAvailability.dependencies.SRHAFuncs import SRHAFuncs
+        except ImportError:
+            main.log.error( "SRHAFuncs not found. Exiting the test" )
+            main.cleanAndExit()
+        try:
+            main.funcs
+        except ( NameError, AttributeError ):
+            main.funcs = SRHAFuncs()
+        main.funcs.runTest( main, 5, 3, '2x2',
+                            116, False, True )
 
     def CASE6( self, main ):
         """
@@ -218,38 +152,17 @@
         7 ) Pingall
         8 ) Repeat 3 ), 4 ), 5 ), 6 ), 7 ) 'failures' times
         """
-        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
-            Testcaselib as run
-        import time
-        import random
-        from random import randint
-        from datetime import datetime
-        if not hasattr( main, 'apps' ):
-            run.initTest( main )
-
-        description = "High Availability tests - ONOS random failures and Switch random failures with 2x2 Leaf-spine "
-        main.case( description )
-        run.config( main, '2x2' )
-        run.installOnos( main )
-        run.startMininet( main, 'cord_fabric.py' )
-        # pre-configured routing and bridging test
-        run.checkFlows( main, minFlowCount=116 )
-        run.pingAll( main )
-        for i in range( 0, main.failures ):
-            onosToKill = randint( 0, ( main.Cluster.numCtrls - 1 ) )
-            switchToKill = randint( 0, 1 )
-            run.killOnos( main, [ onosToKill ], '4', '8', '2' )
-            run.pingAll( main, 'CASE6_ONOS_Failure%d' % ( i + 1 ) )
-            run.killSwitch( main, main.spines[ switchToKill ][ 'name' ], switches='3', links='4' )
-            time.sleep( main.switchSleep )
-            run.pingAll( main, "CASE6_SWITCH_Failure%d" % ( i + 1 ) )
-            run.recoverSwitch( main, main.spines[ switchToKill ][ 'name' ], switches='4', links='8' )
-            run.checkFlows( main, minFlowCount=116, tag="CASE6_SWITCH_Recovery%d" % ( i + 1 ) )
-            run.pingAll( main, "CASE6_SWITCH_Recovery%d" % ( i + 1 ) )
-            run.recoverOnos( main, [ onosToKill ], '4', '8', '3' )
-            run.checkFlows( main, minFlowCount=116, tag='CASE6_ONOS_Recovery%d' % ( i + 1 ) )
-            run.pingAll( main, 'CASE6_ONOS_Recovery%d' % ( i + 1 ) )
-        run.cleanup( main )
+        try:
+            from tests.USECASE.SegmentRouting.SRHighAvailability.dependencies.SRHAFuncs import SRHAFuncs
+        except ImportError:
+            main.log.error( "SRHAFuncs not found. Exiting the test" )
+            main.cleanAndExit()
+        try:
+            main.funcs
+        except ( NameError, AttributeError ):
+            main.funcs = SRHAFuncs()
+        main.funcs.runTest( main, 6, 3, '2x2',
+                            116, True, True )
 
     def CASE7( self, main ):
         """
@@ -262,35 +175,17 @@
         7 ) Pingall
         8 ) Repeat 3 ), 4 ), 5 ), 6 ), 7 ), 'failures' times
         """
-        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
-            Testcaselib as run
-        import time
-        if not hasattr( main, 'apps' ):
-            run.initTest( main )
-
-        description = "High Availability tests - ONOS failures and Switch failures with 4x4 Leaf-spine "
-        main.case( description )
-        run.config( main, '4x4' )
-        run.installOnos( main )
-        run.startMininet( main, 'cord_fabric.py', args="--leaf=4 --spine=4" )
-        # pre-configured routing and bridging test
-        run.checkFlows( main, minFlowCount=350 )
-        run.pingAll( main )
-        for i in range( 0, main.failures ):
-            onosToKill = i % main.Cluster.numCtrls
-            switchToKill = i % len( main.spines )
-            run.killOnos( main, [ onosToKill ], '8', '32', '2' )
-            run.pingAll( main, 'CASE7_ONOS_Failure%d' % ( i + 1 ) )
-            run.killSwitch( main, main.spines[ switchToKill ][ 'name' ], switches='7', links='24' )
-            time.sleep( main.switchSleep )
-            run.pingAll( main, "CASE7_SWITCH_Failure%d" % ( i + 1 ) )
-            run.recoverSwitch( main, main.spines[ switchToKill ][ 'name' ], switches='8', links='32' )
-            run.checkFlows( main, minFlowCount=350, tag="CASE7_SWITCH_Recovery%d" % ( i + 1 ) )
-            run.pingAll( main, "CASE7_SWITCH_Recovery%d" % ( i + 1 ) )
-            run.recoverOnos( main, [ onosToKill ], '8', '32', '3' )
-            run.checkFlows( main, minFlowCount=350, tag='CASE7_ONOS_Recovery%d' % ( i + 1 ) )
-            run.pingAll( main, 'CASE7_ONOS_Recovery%d' % ( i + 1 ) )
-        run.cleanup( main )
+        try:
+            from tests.USECASE.SegmentRouting.SRHighAvailability.dependencies.SRHAFuncs import SRHAFuncs
+        except ImportError:
+            main.log.error( "SRHAFuncs not found. Exiting the test" )
+            main.cleanAndExit()
+        try:
+            main.funcs
+        except ( NameError, AttributeError ):
+            main.funcs = SRHAFuncs()
+        main.funcs.runTest( main, 7, 3, '4x4',
+                            350, False, True )
 
     def CASE8( self, main ):
         """
@@ -303,35 +198,14 @@
         7 ) Pingall
         8 ) Repeat 3 ), 4 ), 5 ), 6 ), 7 ), 'failures' times
         """
-        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
-            Testcaselib as run
-        import time
-        import random
-        from random import randint
-        from datetime import datetime
-        if not hasattr( main, 'apps' ):
-            run.initTest( main )
-
-        description = "High Availability tests - ONOS random failures and Switch random failures with 4x4 Leaf-spine "
-        main.case( description )
-        run.config( main, '4x4' )
-        run.installOnos( main )
-        run.startMininet( main, 'cord_fabric.py', args="--leaf=4 --spine=4" )
-        # pre-configured routing and bridging test
-        run.checkFlows( main, minFlowCount=350 )
-        run.pingAll( main )
-        for i in range( 0, main.failures ):
-            onosToKill = randint( 0, ( main.Cluster.numCtrls - 1 ) )
-            switchToKill = randint( 0, 3 )
-            run.killOnos( main, [ onosToKill ], '8', '32', '2' )
-            run.pingAll( main, 'CASE8_ONOS_Failure%d' % ( i + 1 ) )
-            run.killSwitch( main, main.spines[ switchToKill ][ 'name' ], switches='7', links='24' )
-            time.sleep( main.switchSleep )
-            run.pingAll( main, "CASE8_SWITCH_Failure%d" % ( i + 1 ) )
-            run.recoverSwitch( main, main.spines[ switchToKill ][ 'name' ], switches='8', links='32' )
-            run.checkFlows( main, minFlowCount=350, tag="CASE8_SWITCH_Recovery%d" % ( i + 1 ) )
-            run.pingAll( main, "CASE8_SWITCH_Recovery%d" % ( i + 1 ) )
-            run.recoverOnos( main, [ onosToKill ], '8', '32', '3' )
-            run.checkFlows( main, minFlowCount=350, tag='CASE8_ONOS_Recovery%d' % ( i + 1 ) )
-            run.pingAll( main, 'CASE8_ONOS_Recovery%d' % ( i + 1 ) )
-        run.cleanup( main )
+        try:
+            from tests.USECASE.SegmentRouting.SRHighAvailability.dependencies.SRHAFuncs import SRHAFuncs
+        except ImportError:
+            main.log.error( "SRHAFuncs not found. Exiting the test" )
+            main.cleanAndExit()
+        try:
+            main.funcs
+        except ( NameError, AttributeError ):
+            main.funcs = SRHAFuncs()
+        main.funcs.runTest( main, 8, 3, '4x4',
+                            350, True, True )
diff --git a/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/dependencies/SRHAFuncs.py b/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/dependencies/SRHAFuncs.py
new file mode 100644
index 0000000..5b1d137
--- /dev/null
+++ b/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/dependencies/SRHAFuncs.py
@@ -0,0 +1,104 @@
+"""
+Copyright 2017 Open Networking Foundation ( ONF )
+
+Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
+the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
+or the System Testing Guide page at <https://wiki.onosproject.org/x/WYQg>
+
+    TestON is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    ( at your option ) any later version.
+
+    TestON is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with TestON.  If not, see <http://www.gnu.org/licenses/>.
+"""
+
+from tests.USECASE.SegmentRouting.dependencies.Testcaselib import Testcaselib as run
+import random
+from random import randint
+from datetime import datetime
+import time
+
+class SRHAFuncs():
+
+    def __init__( self ):
+        self.default = ''
+        self.topo = dict()
+        self.topo[ '2x2' ] = ( 2, 2, '', '2x2 Leaf-spine' )
+        self.topo[ '4x4' ] = ( 4, 4, '--leaf=4 --spine=4', '4x4 Leaf-spine' )
+
+    def runTest( self, main, caseNum, numNodes, Topo, minFlow, isRandom, isKillingSwitch ):
+        if not hasattr( main, 'apps' ):
+            run.initTest( main )
+
+        description = "High Availability tests - " + \
+                      self.generateDescription( isRandom, isKillingSwitch ) + \
+                      self.topo[ Topo ][ 3 ]
+        main.case( description )
+        run.config( main, Topo )
+        run.installOnos( main )
+        run.loadJson( main )
+        run.loadChart( main )
+        run.startMininet( main, 'cord_fabric.py', args=self.topo[ Topo ][ 2 ] )
+        # pre-configured routing and bridging test
+        run.checkFlows( main, minFlowCount=minFlow )
+        run.pingAll( main )
+        switch = self.topo[ Topo ][ 0 ] + self.topo[ Topo ][ 1 ]
+        link = ( self.topo[ Topo ][ 0 ] + self.topo[ Topo ][ 1 ] ) * self.topo[ Topo ][ 0 ]
+        self.generateRandom( isRandom )
+        for i in range( 0, main.failures ):
+            toKill = self.getNextNum( isRandom, main.Cluster.numCtrls, i )
+            run.killOnos( main, [ toKill ], '{}'.format( switch ),
+                          '{}'.format( link ), '{}'.format( numNodes - 1 ) )
+            run.pingAll( main, 'CASE{}_ONOS_Failure{}'.format( caseNum, i + 1 ) )
+            if isKillingSwitch:
+                self.killAndRecoverSwitch( main, caseNum, numNodes,
+                                           Topo, minFlow, isRandom,
+                                           i, switch, link )
+            run.recoverOnos( main, [ toKill ], '{}'.format( switch ),
+                             '{}'.format( link ), '{}'.format( numNodes ) )
+            run.checkFlows( main, minFlowCount=minFlow,
+                            tag='CASE{}_ONOS{}_Recovery'.format( caseNum, i + 1 ) )
+            run.pingAll( main, 'CASE{}_ONOS_Recovery{}'.format( caseNum, i + 1 ) )
+        # TODO Dynamic config of hosts in subnet
+        # TODO Dynamic config of host not in subnet
+        # TODO Dynamic config of vlan xconnect
+        # TODO Vrouter integration
+        # TODO Mcast integration
+        if hasattr( main, 'Mininet1' ):
+            run.cleanup( main )
+        else:
+            # TODO: disconnect TestON from the physical network
+            pass
+
+    def generateDescription( self, isRandom, isKillingSwitch ):
+        return "ONOS " + ( "random " if isRandom else "" ) + "failures" +\
+               ( " and Switch " + ( "random " if isRandom else "" ) + "failures "
+                 if isKillingSwitch else " " )
+
+    def generateRandom( self, isRandom ):
+        if isRandom:
+            random.seed( datetime.now() )
+
+    def getNextNum( self, isRandom, numCtrl, pos ):
+        return randint( 0, ( numCtrl - 1 ) ) if isRandom else pos % numCtrl
+
+    def killAndRecoverSwitch( self, main, caseNum, numNodes, Topo, minFlow, isRandom, pos, numSwitch, numLink ):
+        switchToKill = self.getNextNum( isRandom, self.topo[ Topo ][ 0 ], pos )
+        run.killSwitch( main, main.spines[ switchToKill ][ 'name' ],
+                        switches='{}'.format( numSwitch - 1 ),
+                        links='{}'.format( numLink - numSwitch ) )
+        time.sleep( main.switchSleep )
+        run.pingAll( main, "CASE{}_SWITCH_Failure{}".format( caseNum, pos + 1 ) )
+        run.recoverSwitch( main, main.spines[ switchToKill ][ 'name' ],
+                           switches='{}'.format( numSwitch ),
+                           links='{}'.format( numLink ) )
+        run.checkFlows( main, minFlowCount=minFlow,
+                        tag="CASE{}_SWITCH_Recovery{}".format( caseNum, pos + 1 ) )
+        run.pingAll( main, "CASE{}_SWITCH_Recovery{}".format( caseNum, pos + 1 ) )
diff --git a/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/dependencies/__init__.py b/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/dependencies/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/TestON/tests/USECASE/SegmentRouting/SRHighAvailability/dependencies/__init__.py