mac address string generator

grid.py

@@ -33,15 +33,14 @@ def querydb(cubeid):
         dbf = open(dbfile, 'r')
         data = json.load(dbf)
         dbf.close()
-        logger.info('grid> {} --> {}'.format(dbfile, data))
+        logger.info('{}> <-- {}'.format(dbfile, data))
         return data
     except Exception as e:
-        logger.critical('grid> {}'.format(e))
+        logger.critical('{}> '.format(e))
         pass
         return None
 
 
-
 def writedb(src_data):
     """ create new metadata file """
     try:
@@ -139,6 +138,26 @@ def generate_ipv4(region_name, how_many=1):
     return requested_ips
 
 
+def genmac(int_value):
+    """ convert kinda long enough int to MAC string """
+    prefix_sum = sum(int(digit) for digit in str(int_value))
+    if (prefix_sum > 255):
+        prefix_hex = 'ff'
+    else:
+        prefix_hex = format(prefix_sum, 'x')
+
+    suffix = int(str(int_value)[-12:])
+    suffix_hex = format(suffix, 'x')
+    length = len(suffix_hex)
+    suffix_hex = suffix_hex.zfill(length+length%2)
+
+    addr = prefix_hex + suffix_hex
+    #logger.info('grid> mac-string {} genrated from: {} ({}->{}) ({}->{}) '.format(addr, int_value, prefix, prefix_hex, suffix, suffix_hex))
+    print('grid> mac-string {} genrated from: {} (sum {}->{}) ({}->{}) '.format(addr, int_value, prefix_sum, prefix_hex, suffix, suffix_hex))
+
+    return ':'.join(addr[i:i+2] for i in range(0,len(addr),2))
+
+
 def generate_vmid():
     """ analyzes cached grid data and return proposed vmid for new machines """
     grid_data = readcache()
@@ -192,6 +211,8 @@ def findDiff(d1, d2, path=""):
 
 
 
+
+### DEPRECATED
 def readreal():
     """ read the current state and return its contents """
     try:

plugin.py

@@ -82,8 +82,8 @@ def vmcreate(req):
     for ip in ipv4_list:
         ipv4_dict[str(ipidx)] = str(ip)
         ipidx += 1
-    #TODO: aa:aa:aa <- generate from slave name to hex bb:bb:bb <- generate from cubeid to hex
-    macaddr = 'E2:C6:DE:BE:98:F2'
+
+    macaddr = grid.genmac(cubeid)
     
     #metadata  
     deploy = { 'cube': int(cubeid),
@@ -262,7 +262,7 @@ def vmrrd(cubeid):
     return response
 
 
-def vmvnc(vm_id):
+def vmvnc(cubeid):
     """ invoke vnc ticket """
     slave_name, vm_type, vm_id = grid.query_vm(cubeid)
     proxobject = auth(slave_name)
@@ -281,6 +281,7 @@ def vmvnc(vm_id):
     slaveip = ioconfig.parser.get(str(slave_name), 'ipv4')
     #slaveport = socket['port']
     slaveport = ticket['port']
+    slave_id = 1 #TODO: fix this
     listenport = str(int(slaveport) + 1000 + (int(slave_id) * 100)) #TODO: max 100 parallel connections/slave.
     myip = getmyip()