# ScaleOutTemplate
#
# CASE1 starts number of nodes specified in param file
#
# cameron@onlab.us

import sys
import os.path


class ScaleOutTemplate:

    def __init__( self ):
        self.default = ''

    def CASE1( self, main ):           
                                        
        import time                     
        global init       
        
        try: 
            if type(init) is not bool: 
                init = False  
        except NameError: 
            init = False 
       
        #Load values from params file
        checkoutBranch = main.params[ 'GIT' ][ 'checkout' ]
        gitPull = main.params[ 'GIT' ][ 'autopull' ]
        cellName = main.params[ 'ENV' ][ 'cellName' ]
        Apps = main.params[ 'ENV' ][ 'cellApps' ]
        BENCHUser = main.params[ 'BENCH' ][ 'user' ]
        maxNodes = int(main.params[ 'availableNodes' ])
        skipMvn = main.params[ 'TEST' ][ 'skipCleanInstall' ]
        cellName = main.params[ 'ENV' ][ 'cellName' ]        

        # -- INIT SECTION, ONLY RUNS ONCE -- # 
        if init == False: 
            init = True
            global clusterCount             #number of nodes running
            global ONOSIp                   #list of ONOS IP addresses
            global scale 
            
            clusterCount = 0
            ONOSIp = [ 0 ]
            scale = (main.params[ 'SCALE' ]).split(",")            
            clusterCount = int(scale[0])

            #Populate ONOSIp with ips from params 
            ONOSIp = [0]
            ONOSIp.extend(main.ONOSbench.getOnosIps())
            MN1Ip = ONOSIp[len(ONOSIp) -1] 
            BENCHIp = ONOSIp[len(ONOSIp) -2]

            #git
            main.step( "Git checkout and pull " + checkoutBranch )
            if gitPull == 'on':
                checkoutResult = main.ONOSbench.gitCheckout( checkoutBranch )
                pullResult = main.ONOSbench.gitPull()
            else:
                main.log.info( "Skipped git checkout and pull" )
        
            if skipMvn != "yes":
                mvnResult = main.ONOSbench.cleanInstall()

        # -- END OF INIT SECTION --#
         
        clusterCount = int(scale[0])
        scale.remove(scale[0])       
       
        #kill off all onos processes 
        main.log.step("Safety check, killing all ONOS processes")
        main.log.step("before initiating enviornment setup")
        for node in range(1, maxNodes + 1):
            main.ONOSbench.onosDie(ONOSIp[node])
        
        #Uninstall everywhere
        main.log.step( "Cleaning Enviornment..." )
        for i in range(1, maxNodes + 1):
            main.log.info(" Uninstalling ONOS " + str(i) )
            main.ONOSbench.onosUninstall( ONOSIp[i] )
       
        #construct the cell file
        main.log.info("Creating cell file")
        cellIp = []
        for node in range (1, clusterCount + 1):
            cellIp.append(ONOSIp[node])

        main.ONOSbench.createCellFile(BENCHIp,cellName,MN1Ip,str(Apps), *cellIp)

        main.step( "Set Cell" )
        main.ONOSbench.setCell(cellName)
        
        main.step( "Creating ONOS package" )
        packageResult = main.ONOSbench.onosPackage()  

        main.step( "verify cells" )
        verifyCellResult = main.ONOSbench.verifyCell()
      
        main.log.report( "Initializeing " + str( clusterCount ) + " node cluster." )
        for node in range(1, clusterCount + 1):
            main.log.info("Starting ONOS " + str(node) + " at IP: " + ONOSIp[node])
            main.ONOSbench.onosInstall( ONOSIp[node])

        for node in range(1, clusterCount + 1):
            for i in range( 2 ):
                isup = main.ONOSbench.isup( ONOSIp[node] )
                if isup:
                    main.log.info("ONOS " + str(node) + " is up\n")
                    break
                if not isup:
                    main.log.report( "ONOS " + str(node) + " didn't start!" )
        main.log.info("Startup sequence complete")

    def CASE2( self, main ):
         
        print ("clusterCount: " + str(clusterCount)) 
        print ("scale: " + str(scale)) 
        print ("ONOSIp: " + str(ONOSIp)) 
        print ("INIT: " + str(init))