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if a custom CNAME record is set, don't add a default A/AAAA record, e.g. for 'www'

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see https://discourse.mailinabox.email/t/multiple-domains-in-mail-in-a-box-with-the-domains-being-hosted-elsewhere/56/18
This commit is contained in:
Joshua Tauberer 2015-01-17 15:00:16 +00:00
parent b02d7d990e
commit 24cc108147
2 changed files with 9 additions and 1 deletions
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7
CHANGELOG.md
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@ -1,6 +1,13 @@
CHANGELOG CHANGELOG
========= =========
Development
-----------
DNS:
* If a custom CNAME record is set, don't add a default A/AAAA record, e.g. for 'www', which end up preventing the CNAME record from working.
v0.06 (January 4, 2015) v0.06 (January 4, 2015)
----------------------- -----------------------

3
management/dns_update.py
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@ -212,6 +212,7 @@ def build_zone(domain, all_domains, additional_records, env, is_zone=True):
records.append((qname, rtype, value, "(Set by user.)")) records.append((qname, rtype, value, "(Set by user.)"))
# Add defaults if not overridden by the user's custom settings (and not otherwise configured). # Add defaults if not overridden by the user's custom settings (and not otherwise configured).
# Any "CNAME" record on the qname overrides A and AAAA.
defaults = [ defaults = [
(None, "A", env["PUBLIC_IP"], "Required. May have a different value. Sets the IP address that %s resolves to for web hosting and other services besides mail. The A record must be present but its value does not affect mail delivery." % domain), (None, "A", env["PUBLIC_IP"], "Required. May have a different value. Sets the IP address that %s resolves to for web hosting and other services besides mail. The A record must be present but its value does not affect mail delivery." % domain),
("www", "A", env["PUBLIC_IP"], "Optional. Sets the IP address that www.%s resolves to, e.g. for web hosting." % domain), ("www", "A", env["PUBLIC_IP"], "Optional. Sets the IP address that www.%s resolves to, e.g. for web hosting." % domain),
@ -221,7 +222,7 @@ def build_zone(domain, all_domains, additional_records, env, is_zone=True):
for qname, rtype, value, explanation in defaults: for qname, rtype, value, explanation in defaults:
if value is None or value.strip() == "": continue # skip IPV6 if not set if value is None or value.strip() == "": continue # skip IPV6 if not set
if not is_zone and qname == "www": continue # don't create any default 'www' subdomains on what are themselves subdomains if not is_zone and qname == "www": continue # don't create any default 'www' subdomains on what are themselves subdomains
if not has_rec(qname, rtype): if not has_rec(qname, rtype) and not has_rec(qname, "CNAME"):
records.append((qname, rtype, value, explanation)) records.append((qname, rtype, value, explanation))
# Append the DKIM TXT record to the zone as generated by OpenDKIM. # Append the DKIM TXT record to the zone as generated by OpenDKIM.