Set nodename as hostname prior to post for el class distros

Initial collective join combined
with the orderly collective startup
hit a chicken and egg problem.

Disable initting on first enrollment
to let enrollment drive
that specific initialization to
restore behavior.

confluent_osdeploy/el7/profiles/default/scripts/prechroot.sh

@@ -12,6 +12,8 @@ export confluent_mgr confluent_profile nodename
 cp -a /etc/confluent /mnt/sysimage/etc
 chmod -R og-rwx /mnt/sysimage/etc/confluent
 cp /tmp/functions /mnt/sysimage/etc/confluent/
+hostnamectl set-hostname $nodename
+cp /etc/hostname /mnt/sysimage/etc/hostname
 . /tmp/functions
 if [ -f /tmp/cryptboot ]; then
     cp /tmp/cryptboot /mnt/sysimage/tmp/

confluent_osdeploy/el8/profiles/default/scripts/prechroot.sh

@@ -12,6 +12,8 @@ export confluent_mgr confluent_profile nodename
 cp -a /etc/confluent /mnt/sysimage/etc
 chmod -R og-rwx /mnt/sysimage/etc/confluent
 cp /tmp/functions /mnt/sysimage/etc/confluent/
+hostnamectl set-hostname $nodename
+cp /etc/hostname /mnt/sysimage/etc/hostname
 . /tmp/functions
 if [ -f /tmp/cryptboot ]; then
     cp /tmp/cryptboot /mnt/sysimage/tmp/

confluent_server/confluent/collective/manager.py

@@ -244,6 +244,7 @@ def get_myname():
 def handle_connection(connection, cert, request, local=False):
     global currentleader
     global retrythread
+    global initting
     connection.settimeout(5)
     operation = request['operation']
     if cert:
@@ -395,6 +396,11 @@ def handle_connection(connection, cert, request, local=False):
             tlvdata.send(connection, {'error': 'Invalid token'})
             connection.close()
             return
+        if not list(cfm.list_collective()):
+            # First enrollment of a collective, since the collective doesn't
+            # quite exist, then set initting false to let the enrollment action
+            # drive this particular initialization
+            initting = False
         myrsp = base64.b64encode(myrsp)
         fprint = util.get_fingerprint(cert)
         myfprint = util.get_fingerprint(mycert)