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s4-dns: added --update-list option to samba_dnsupdate

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this allows us to use it for RODC netlogon updates
This commit is contained in:
Andrew Tridgell 2010-09-27 21:07:17 -07:00
parent 7d380795b6
commit 6237d56027
1 changed files with 14 additions and 8 deletions
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22
source4/scripting/bin/samba_dnsupdate
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@ -52,6 +52,7 @@ parser.add_option("--verbose", action="store_true")
parser.add_option("--all-names", action="store_true")
parser.add_option("--all-interfaces", action="store_true")
parser.add_option("--use-file", type="string", help="Use a file, rather than real DNS calls")
parser.add_option("--update-list", type="string", help="Add DNS names from the given file")
creds = None
ccachename = None
@ -107,14 +108,14 @@ class dnsobj(object):
self.existing_port = None
self.existing_weight = None
self.type = list[0]
self.name = list[1]
self.name = list[1].lower()
if self.type == 'SRV':
self.dest = list[2]
self.dest = list[2].lower()
self.port = list[3]
elif self.type == 'A':
self.ip = list[2] # usually $IP, which gets replaced
elif self.type == 'CNAME':
self.dest = list[2]
self.dest = list[2].lower()
else:
print "Received unexpected DNS reply of type %s" % self.type
raise
@ -227,17 +228,19 @@ def call_nsupdate(d):
fcntl.lockf(wfile, fcntl.LOCK_UN)
return
normalised_name = d.name.rstrip('.') + '.'
(tmp_fd, tmpfile) = tempfile.mkstemp()
f = os.fdopen(tmp_fd, 'w')
if d.type == "A":
f.write("update add %s %u A %s\n" % (d.name, default_ttl, d.ip))
f.write("update add %s %u A %s\n" % (normalised_name, default_ttl, d.ip))
if d.type == "SRV":
if d.existing_port is not None:
f.write("update delete %s SRV 0 %s %s %s\n" % (d.name, d.existing_weight,
f.write("update delete %s SRV 0 %s %s %s\n" % (normalised_name, d.existing_weight,
d.existing_port, d.dest))
f.write("update add %s %u SRV 0 100 %s %s\n" % (d.name, default_ttl, d.port, d.dest))
f.write("update add %s %u SRV 0 100 %s %s\n" % (normalised_name, default_ttl, d.port, d.dest))
if d.type == "CNAME":
f.write("update add %s %u CNAME %s\n" % (d.name, default_ttl, d.dest))
f.write("update add %s %u CNAME %s\n" % (normalised_name, default_ttl, d.dest))
if opts.verbose:
f.write("show\n")
f.write("send\n")
@ -318,7 +321,10 @@ def call_rodc_update(d):
# get the list of DNS entries we should have
dns_update_list = lp.private_path('dns_update_list')
if opts.update_list:
dns_update_list = opts.update_list
else:
dns_update_list = lp.private_path('dns_update_list')
# use our private krb5.conf to avoid problems with the wrong domain
# bind9 nsupdate wants the default domain set