From 5519c4868e0e20b1954402d58693b4f13ae83f37 Mon Sep 17 00:00:00 2001
From: Lars Beckers <lars.beckers@rwth-aachen.de>
Date: Tue, 22 Sep 2020 18:05:39 +0200
Subject: [PATCH] add new exclusion mechanism
Using option named "unmerged" one can now ignore host names before they
are merged as being the same host. This concerns especially hosts with
multiple A records, e.g. for load balancing. This resolves situations
where a shared entry would merge different hosts, but other exclusion
mechanisms would only be able to ignore the whole set of hosts.
---
generate.py | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/generate.py b/generate.py
index 4cbab19..b06bdce 100755
--- a/generate.py
+++ b/generate.py
@@ -74,6 +74,8 @@ def retrieve_hosts():
# TODO AAAA records (and others)
for (name, ttl, rdata) in z.iterate_rdatas('A'):
host = h.get(name)
+ if name in [s.strip() for s in config['excludes']['unmerged'].split(',')]:
+ continue
if host is None:
host = []
h[name] = host
@@ -83,6 +85,8 @@ def retrieve_hosts():
i[rdata.address] = addr
addr.append(name)
for (name, ttl, rdata) in z.iterate_rdatas('CNAME'):
+ if name in [s.strip() for s in config['excludes']['unmerged'].split(',')]:
+ continue
target = h.get(rdata.target)
if target is None:
target = []
@@ -93,6 +97,8 @@ def retrieve_hosts():
if line.startswith('#') or len(line.strip()) < 3:
continue
parts = line.split()
+ if parts[1] in [s.strip() for s in config['excludes']['unmerged'].split(',')]:
+ continue
addr = i.get(parts[0])
if addr is None:
addr = []
--
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