Fix confignet for python2

Some python 3 exclusive assumptions were made.
Unfortunately, EL7 is python2
centric.

confluent_osdeploy/common/initramfs/opt/confluent/bin/apiclient

@@ -20,9 +20,9 @@ class InvalidApiKey(Exception):
 
 cryptname = ctypes.util.find_library('crypt')
 if not cryptname:
-    if os.path.exists('/usr/lib64/libcrypt.so.1'):
+    if os.path.exists('/lib64/libcrypt.so.1'):
         cryptname = 'libcrypt.so.1'
-    elif os.path.exists('/usr/lib64/libcrypt.so.2'):
+    elif os.path.exists('/lib64/libcrypt.so.2'):
         cryptname = 'libcrypt.so.2'
 c_libcrypt = ctypes.CDLL(cryptname)
 c_crypt = c_libcrypt.crypt
@@ -93,14 +93,20 @@ def scan_confluents():
         if addr[0] == socket.AF_INET6:
             if addr[-1] in doneidxs:
                 continue
-            s6.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, addr[-1])
+            try:
+                s6.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, addr[-1])
+            except TypeError:
+                s6.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, addr[-1].tobytes())
             try:
                 s6.sendto(msg, ('ff02::c', 1900))
             except OSError:
                 pass
             doneidxs.add(addr[-1])
         elif addr[0] == socket.AF_INET:
-            s4.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_IF, addr[1])
+            try:
+                s4.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_IF, addr[1])
+            except TypeError:
+                s4.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_IF, addr[1].tobytes())
             try:
                 s4.sendto(msg, ('239.255.255.250', 1900))
             except OSError:
@@ -138,7 +144,7 @@ def get_net_apikey(nodename, mgr):
     newpass = newpass.encode('utf8')
     salt = salt.encode('utf8')
     crypted = c_crypt(newpass, salt)
-    for addrinfo in socket.getaddrinfo(mgr, 13001, type=socket.SOCK_STREAM):
+    for addrinfo in socket.getaddrinfo(mgr, 13001, 0, socket.SOCK_STREAM):
         try:
             clisock = socket.socket(addrinfo[0], addrinfo[1])
             clisock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

confluent_osdeploy/common/profile/scripts/confignet

@@ -8,11 +8,17 @@ import sys
 import time
 import shlex
 import subprocess
-from importlib.machinery import SourceFileLoader
 try:
-    apiclient = SourceFileLoader('apiclient', '/opt/confluent/bin/apiclient').load_module()
-except FileNotFoundError:
-    apiclient = SourceFileLoader('apiclient', '/etc/confluent/apiclient').load_module()
+    from importlib.machinery import SourceFileLoader
+    def load_source(mod, path):
+        return SourceFileLoader(mod, path).load_module()
+except ImportError:
+    from imp import load_source
+
+try:
+    apiclient = load_source('apiclient', '/opt/confluent/bin/apiclient')
+except IOError:
+    apiclient = load_source('apiclient', '/etc/confluent/apiclient')
 
 def add_lla(iface, mac):
     pieces = mac.split(':')
@@ -311,7 +317,7 @@ if __name__ == '__main__':
             myname = myname[0]
             myname = socket.inet_pton(socket.AF_INET, myname)
             for addr in myaddrs:
-                if myname == bytes(addr[1]):
+                if myname == addr[1].tobytes():
                     curridx = addr[-1]
         if curridx in doneidxs:
             continue