19ac3ea7f5
Merge pull request #1856 from dmcgowan/update-logrus
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Update logrus to v1.0.1
2017-08-08 14:01:10 -07:00
43f00b74d7
Update logrus to v1.0.1
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Fix case sensitivity issue
Update docker and runc vendors
Signed-off-by: Derek McGowan <derek@mcgstyle.net>
2017-08-07 11:20:47 -07:00
b9be3f5781
Improve debugging for resolver
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This patch improves debugging for the resolver;
- prefix debug messages with `[resolver]` for easier finding in the daemon logs
- use `A` / `AAAA` for query-types in the logs instead of their numeric code
- add debug messages if the external DNS did not return a result
- print sucessful results (t.b.d.)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2017-08-02 17:57:15 +02:00
c6917f91f5
Add gosimple check
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Add the gosimple tool check in the Makefile
Fix all the issues identified
Signed-off-by: Flavio Crisciani <flavio.crisciani@docker.com>
2017-07-06 09:42:38 -07:00
aad1632c15
Fix the data model inconsistency that breaks daemon upgrade to 1.14-dev
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2017-01-19 14:25:26 -08:00
1ed42d1d80
Merge pull request #1595 from sanimej/host
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Add support in embedded DNS server for host loopback resolver
2017-01-05 12:18:48 -08:00
14ae4337e1
Add embedded DNS server support for host loopback resolver
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-12-22 14:34:13 -08:00
805efb1843
Defer PTR queries to external servers based on A/AAAA response
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-12-20 14:45:13 -08:00
38b0775daf
Fix incorrect debug message
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-11-29 10:59:29 -08:00
33819721fb
Serialize embedded resolver Start and Stop
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-11-21 11:08:41 -08:00
b735bb2ada
Refactoring logrus import and formatting
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This fix tries to fix logrus formatting by removing `f` from
`logrus.[Error|Warn|Debug|Fatal|Panic|Info]f` when formatting string
is not present.
Also fix import name to use original project name 'logrus' instead of
'log'
Signed-off-by: Daehyeok Mun <daehyeok@gmail.com>
2016-11-08 12:42:41 -07:00
52d17c5717
DNS support
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Signed-off-by: msabansal <sabansal@microsoft.com>
2016-09-20 13:02:02 -07:00
e51268a429
Drop queries in root doamin when ndots is set
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-09-12 14:25:05 -07:00
321f0bc2a5
Relax SRV name validation and fix external SRV query handling
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-08-14 11:27:07 -07:00
51acb81d6f
Fix external DNS responses > 512 bytes getting dropped
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-08-03 05:29:32 -07:00
ae40d62a0d
Remove UDP connection cachig in embedded DNS server
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-07-23 09:05:49 -07:00
34bcc235a8
Send truncated external responses to the client
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-07-23 02:56:31 -07:00
ee34cc01e8
For cached connections ignore late replies after read timeout
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-06-13 23:50:02 -07:00
4b6b13af2c
Add support for SRV query in embedded DNS
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-05-19 00:27:59 -07:00
c11d2e9772
Increase concucrrent query limit
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-04-18 19:55:19 -07:00
0dc3da53bd
Merge pull request #1125 from sanimej/bugs
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Fix a panic in handling forwarded queries
2016-04-22 08:57:32 -07:00
62ea95b81d
Fix a panic in handling forwarded queries
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-04-16 17:20:59 -07:00
ddef81d88c
Move the iptables setup for embedded DNS into a reexec process
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-04-15 23:37:20 -07:00
5ca79d6b87
Remove all netlink/osl deps from ipam/ipamutils
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Currently ipam/ipamutils has a bunch of dependencies
in osl and netlink which makes the ipam/ipamutils harder
to use independently with other applications. This PR
modularizes ipam/ipamutils into a standalone package
with no OS level dependencies.
Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
2016-04-10 11:05:39 -07:00
f6b02bb181
Resolver sockets not flushed on default gw change
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Currently when the default gw changes because of
other network connections happening in the container
the resolver sockets are not flushed. This results
in a subsequent DNS failure for external queries
A sequence of connecting the container to an overlay
network and subsequently to a bridge network without
disconnecting from any network will result in this
behaviour. This was revealed by one of the libnetwork
IT tests.
This is now fixed as part of the commit by flushing
the external query sockets when a default gw change
is detected.
Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
2016-04-10 10:40:06 -07:00
786810aea6
Fix the panic when a query response comes after the read() timesout
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-04-07 19:36:06 -07:00
f113c9a2dc
Fix the handling for concurrent queries over UDP
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-04-01 10:45:24 -07:00
f9b23d3a3b
Limit number of concurrent DNS queries
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-03-29 06:23:01 -07:00
17c1b137ae
On network disconnect clear the cached connections to external
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nameservers
Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-03-20 05:00:58 -07:00
be3531759b
Avoid V6 queries in docker domain going to external nameservers
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-03-19 03:07:08 -07:00
39989055da
Add AAAA record handling in embedded DNS server
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-03-16 19:00:17 -07:00
9f43649030
Fix nil pointer reference in ServeDNS() with concurrent go routines.
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-03-15 02:05:38 -07:00
dd925af5f3
Clear cached udp connections on resolver Stop()
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-03-14 17:21:41 -07:00
fdd6e8a8ae
Implement DNS RR in the Docker embedded DNS server
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-03-03 09:33:10 -08:00
258ae9026d
Source external DNS queries from container namespace
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-03-03 07:29:32 -08:00
d8ad37d0e2
Merge pull request #894 from sanimej/dns
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Set Recursion Available bit in query responses.
2016-02-17 08:42:17 -08:00
1fc2d0a4cd
Add a check for invalid/junk messages
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-02-15 22:31:16 -08:00
2f46aa1bc6
Set the compress flag for the responses from external DNS servers to
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avoid sending DNS replies > 512 bytes
Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-02-07 02:43:29 -08:00
7199d9c0b1
Change in programming iptables in container
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- iptables to provide a native API
- resolver.go to invoke the iptables native API
when programming tables in the container
Signed-off-by: Alessandro Boch <aboch@docker.com>
2016-02-05 15:25:43 -08:00
ce6c6e8c35
Set Recursion Available bit in query response and reduce the ttl
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-01-24 05:46:47 -08:00
fd3ef096ad
Adding TCP listener for embedded DNS
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Signed-off-by: Madhu Venugopal <madhu@docker.com>
2016-01-22 13:49:22 -08:00
888c509c5c
Retain V6 DNS server in resolv.conf; use only V4 servers for fallback
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-01-19 00:06:19 -08:00
c9dcd08296
Setup embedded DNS server correctly on container restart
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-01-14 10:16:13 -08:00
e9400f356e
Embedded DNS server
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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
2016-01-07 00:25:26 -08:00
Madhu Venugopal
Derek McGowan
Sebastiaan van Stijn
Flavio Crisciani
Santhosh Manohar
Alessandro Boch
Daehyeok Mun
msabansal
Jana Radhakrishnan
Alessandro Boch