Fix failure to re-provision.

Somewhere in the conversion from ejs we lost calling the 'delete
partitions' code.  However, we have to be careful not to wipe
partitions when we are the second client connecting to an LDAP server.

Andrew Bartlett
(This used to be commit 272eb765b81e3eab216a07249334f9b7d20e530b)

3 files changed, 21 insertions, 10 deletions

diff --git a/source4/samba4-knownfail b/source4/samba4-knownfail
index e6a4ea1517e..66565ca6fc9 100644
--- a/source4/samba4-knownfail
+++ b/source4/samba4-knownfail
@@ -33,5 +33,4 @@ rpc.netlogon.*.GetTrustPasswords
 base.charset.*.Testing partial surrogate
 .*net.api.delshare.*				# DelShare isn't implemented yet
 rap.*netservergetinfo
-samba4.blackbox.provision.py.reprovision # Fails with entry already exists
 local.torture.provision
diff --git a/source4/scripting/python/samba/__init__.py b/source4/scripting/python/samba/__init__.py
index b041165800f..8d5f4250c95 100644
--- a/source4/scripting/python/samba/__init__.py
+++ b/source4/scripting/python/samba/__init__.py
@@ -127,7 +127,7 @@ class Ldb(ldb.Ldb):
             try:
                 self.delete(msg.dn)
             except ldb.LdbError, (LDB_ERR_NO_SUCH_OBJECT, _):
-                # Ignor eno such object errors
+                # Ignore no such object errors
                 pass
 
         res = self.search(basedn, ldb.SCOPE_SUBTREE, "(&(|(objectclass=*)(distinguishedName=*))(!(distinguishedName=@BASEINFO)))", ["distinguishedName"])
@@ -151,7 +151,14 @@ class Ldb(ldb.Ldb):
                 previous_remaining = current_remaining
                 current_remaining = len(res2)
                 for msg in res2:
-                    self.delete(msg.dn)
+                    try:
+                        self.delete(msg.dn)
+                    # Ignore no such object errors
+                    except ldb.LdbError, (LDB_ERR_NO_SUCH_OBJECT, _):
+                        pass
+                    # Ignore not allowed on non leaf errors
+                    except ldb.LdbError, (LDB_ERR_NOT_ALLOWED_ON_NON_LEAF, _):
+                        pass
 
     def load_ldif_file_add(self, ldif_path):
         """Load a LDIF file.
diff --git a/source4/scripting/python/samba/provision.py b/source4/scripting/python/samba/provision.py
index e9aded205a3..ea2feb981bb 100644
--- a/source4/scripting/python/samba/provision.py
+++ b/source4/scripting/python/samba/provision.py
@@ -279,8 +279,6 @@ def setup_samdb_partitions(samdb_path, setup_path, message, lp, session_info,
     
     Alternatively, provision() may call this, and then populate the database.
     
-    :param erase: Remove the existing data present in the database.
-     
     :note: This will wipe the Sam Database!
     
     :note: This function always removes the local SAM LDB file. The erase 
@@ -289,10 +287,15 @@ def setup_samdb_partitions(samdb_path, setup_path, message, lp, session_info,
     """
     assert session_info is not None
 
-    if os.path.exists(samdb_path):
+    samdb = SamDB(samdb_path, session_info=session_info, 
+                  credentials=credentials, lp=lp)
+
+    # Wipes the database
+    try:
+        samdb.erase()
+    except:
         os.unlink(samdb_path)
 
-    # Also wipes the database
     samdb = SamDB(samdb_path, session_info=session_info, 
                   credentials=credentials, lp=lp)
 
@@ -547,7 +550,7 @@ def setup_self_join(samdb, configdn, schemadn, domaindn,
 
 def setup_samdb(path, setup_path, session_info, credentials, lp, 
                 schemadn, configdn, domaindn, dnsdomain, realm, 
-                netbiosname, message, hostname, rootdn, erase, 
+                netbiosname, message, hostname, rootdn, 
                 domainsid, aci, domainguid, policyguid, 
                 domainname, fill, adminpass, krbtgtpass, 
                 machinepass, hostguid, invocationid, dnspass,
@@ -560,6 +563,8 @@ def setup_samdb(path, setup_path, session_info, credentials, lp,
 
     assert serverrole in ("domain controller", "member server")
 
+    erase = (fill != FILL_DRS)    
+
     # Also wipes the database
     setup_samdb_partitions(path, setup_path, schemadn=schemadn, configdn=configdn, 
                            domaindn=domaindn, message=message, lp=lp,
@@ -726,7 +731,7 @@ def provision(lp, setup_dir, message, paths, session_info,
               hostguid=None, adminpass=None, krbtgtpass=None, domainguid=None, 
               policyguid=None, invocationid=None, machinepass=None, 
               dnspass=None, root=None, nobody=None, nogroup=None, users=None, 
-              wheel=None, backup=None, aci=None, serverrole=None, erase=False,
+              wheel=None, backup=None, aci=None, serverrole=None,
               ldap_backend=None, ldap_backend_type=None, sitename=DEFAULTSITE):
     """Provision samba4
     
@@ -873,7 +878,7 @@ def provision(lp, setup_dir, message, paths, session_info,
                         configdn=configdn, domaindn=domaindn,
                         dnsdomain=dnsdomain, netbiosname=netbiosname, 
                         realm=realm, message=message, hostname=hostname, 
-                        rootdn=rootdn, erase=erase, domainsid=domainsid, 
+                        rootdn=rootdn, domainsid=domainsid, 
                         aci=aci, domainguid=domainguid, policyguid=policyguid, 
                         domainname=domain, fill=samdb_fill, 
                         adminpass=adminpass, krbtgtpass=krbtgtpass,