when using SplitDNS, the common dns setting is not honored
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Key: TS-597
URL: https://issues.apache.org/jira/browse/TS-597
Project: Traffic Server
Issue Type: Sub-task
Components: DNS
Affects Versions: 2.1.4
Reporter: Zhao Yongming
When using the trunk codes, and setup a splitdns.config without wild cast rule:
dest_domain=yahoo.com named="68.180.131.16"
dest_domain=inktomi.com named="68.180.131.16"
dest_domain=google.com named="8.8.8.8"
and records:
CONFIG proxy.config.http.no_dns_just_forward_to_parent INT 0
CONFIG proxy.config.dns.search_default_domains INT 1
CONFIG proxy.config.dns.splitDNS.enabled INT 1
CONFIG proxy.config.dns.max_dns_in_flight INT 2048
CONFIG proxy.config.dns.url_expansions STRING NULL
CONFIG proxy.config.dns.round_robin_nameservers INT 0
CONFIG proxy.config.dns.nameservers STRING 202.106.0.20
CONFIG proxy.config.dns.resolv_conf STRING NULL
CONFIG proxy.config.dns.validate_query_name INT 0
CONFIG proxy.config.diags.debug.tags STRING split.*|dns.*|hostdb.*
splitdns will just make the default dns server as 127.0.0.1 regards of the
setting from /etc/resolv.conf etc
[Dec 17 21:11:10.792] Server {47027459007840} DEBUG: (dns)
DNSHandler::startEvent_sdns: on thread 0
[Dec 17 21:11:10.792] Server {47027459007840} DEBUG: (dns) open_con: opening
connection 68.180.131.16:53
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) random port = 51000
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) opening connection
68.180.131.16:53 SUCCEEDED for 0
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns)
DNSHandler::startEvent_sdns: on thread 0
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) open_con: opening
connection 68.180.131.16:53
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) random port = 41996
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) opening connection
68.180.131.16:53 SUCCEEDED for 0
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns)
DNSHandler::startEvent_sdns: on thread 0
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) open_con: opening
connection 8.8.8.8:53
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) random port = 26464
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) opening connection
8.8.8.8:53 SUCCEEDED for 0
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns)
DNSHandler::startEvent_sdns: on thread 0
[Dec 17 21:11:10.793] Server {47027459007840} WARNING: bad '/etc/resolv.conf':
no nameservers given
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) open_con: opening
connection 127.0.0.1:0
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) random port = 50728
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) opening connection
127.0.0.1:0 SUCCEEDED for 0
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns)
DNSHandler::startEvent: on thread 0
[Dec 17 21:11:10.793] Server {47027459007840} WARNING: bad configurations: no
nameservers given
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) open_con: opening
connection 127.0.0.1:0
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) random port = 55442
[Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) opening connection
127.0.0.1:0 SUCCEEDED for 0
[Dec 17 21:11:11.220] Server {47027467839248} NOTE: cache enabled
that is confusing, should be fixed.
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