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* transfer: reply with refused
When the *transfer* plugin is not loaded and of the handlers will still
see the AXFR/IXFR request because it is not intercepted.
They need to reply with REFUSED in that case. Update file, auto and k8s
to do this. Add testcase in the file plugin.
Ideally *erratic* should be moved over as well, but maybe that's
*erratic*
This is a bug fix.
Signed-off-by: Miek Gieben <miek@miek.nl>
* import path
Signed-off-by: Miek Gieben <miek@miek.nl>
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* Implement notifies for transfer plugin (#3972)
* Fix notifies in transfer plugin
Signed-off-by: Miek Gieben <miek@miek.nl>
* Make it compile
Signed-off-by: Miek Gieben <miek@miek.nl>
* Port more plugins
Signed-off-by: Miek Gieben <miek@miek.nl>
* golint
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix tests
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix notifies in transfer plugin
Signed-off-by: Miek Gieben <miek@miek.nl>
* Make it compile
Signed-off-by: Miek Gieben <miek@miek.nl>
* Port more plugins
Signed-off-by: Miek Gieben <miek@miek.nl>
* golint
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix tests
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix tests
Signed-off-by: Miek Gieben <miek@miek.nl>
* really fix test
Signed-off-by: Miek Gieben <miek@miek.nl>
* Implement ixfr fallback and unify file and auto for transfering
Signed-off-by: Miek Gieben <miek@miek.nl>
* Add transfer tests
copied and modified from #3452
Signed-off-by: Miek Gieben <miek@miek.nl>
* Test correct selection of plugin
Signed-off-by: Miek Gieben <miek@miek.nl>
* add upstream back in
Signed-off-by: Miek Gieben <miek@miek.nl>
* Implement ixfr fallback and unify file and auto for transfering
Signed-off-by: Miek Gieben <miek@miek.nl>
* fix test
Signed-off-by: Miek Gieben <miek@miek.nl>
* properly merge
Signed-off-by: Miek Gieben <miek@miek.nl>
* Remove plugin/kubernetes/setup_transfer_test.go
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
Co-authored-by: Miek Gieben <miek@miek.nl>
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This reverts commit 68f1dd5ddf0451cc3a1b24a72c2965b8d896ffba.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
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* Fix notifies in transfer plugin
Signed-off-by: Miek Gieben <miek@miek.nl>
* Make it compile
Signed-off-by: Miek Gieben <miek@miek.nl>
* Port more plugins
Signed-off-by: Miek Gieben <miek@miek.nl>
* golint
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix tests
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix notifies in transfer plugin
Signed-off-by: Miek Gieben <miek@miek.nl>
* Make it compile
Signed-off-by: Miek Gieben <miek@miek.nl>
* Port more plugins
Signed-off-by: Miek Gieben <miek@miek.nl>
* golint
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix tests
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix tests
Signed-off-by: Miek Gieben <miek@miek.nl>
* really fix test
Signed-off-by: Miek Gieben <miek@miek.nl>
* Implement ixfr fallback and unify file and auto for transfering
Signed-off-by: Miek Gieben <miek@miek.nl>
* Add transfer tests
copied and modified from #3452
Signed-off-by: Miek Gieben <miek@miek.nl>
* Test correct selection of plugin
Signed-off-by: Miek Gieben <miek@miek.nl>
* add upstream back in
Signed-off-by: Miek Gieben <miek@miek.nl>
* Implement ixfr fallback and unify file and auto for transfering
Signed-off-by: Miek Gieben <miek@miek.nl>
* fix test
Signed-off-by: Miek Gieben <miek@miek.nl>
* properly merge
Signed-off-by: Miek Gieben <miek@miek.nl>
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Use %d SOA serial when logging about the SOA serial.
Signed-off-by: Miek Gieben <miek@miek.nl>
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Various fixes to make things less flaky:
* kubernetes: put klog.SetOutput in the setup function, not in the init
function to see if that helps
* file: make z.Expired a boolean instead of a pointer to a boolean
* test: fix TestSecondaryZoneTransfer test, which wasn't actually
testing in the right way. It's more right now, but may still be racy
(race introduced because a file's lazy loading of zones)
Signed-off-by: Miek Gieben <miek@miek.nl>
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Read lock before reading the Expired field of a zone.
Fixes: #3053
Signed-off-by: Miek Gieben <miek@miek.nl>
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* Fix corefile usage
* plugin/file: allow README.md testing
Allow readme testing for the file plugin and fix bugs that where found:
* the reader wasn't reset when re-reading the same io.reader for a
different origin.
Signed-off-by: Miek Gieben <miek@miek.nl>
* Update test/example_test.go
Co-Authored-By: Michael Grosser <development@stp-ip.net>
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* plugin/file: Rename do to walk, cleanup and document
* This renames Do to Walk to be more inline with Go standards. Also make
it return an error instead of a bool.
Also give give walk access to rrs. Alternatively e.m could be
exported, but just access the map of rrs should work as well. Another
alternative would be adding a whole bunch of helper functions, but
those need grab and return the data. Just having access to the rrs
should be easiest for most Walks.
* It adds Type and TypeForWildcard to show the different functions
* *Removes* the identical RR check when inserting; this was only done
for A, AAAA and MX and not finished; removed under the mantra garbage
in garbage out.
* Reuses Types to return all the types in an *tree.Elem
Signed-off-by: Miek Gieben <miek@miek.nl>
* better comments
Signed-off-by: Miek Gieben <miek@miek.nl>
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* plugin/file: make non-existent file non-fatal
If the zone file being loaded doesn't exist *and* reload is enabled,
just wait the file to pop up in the normal Reload routine.
If reload is set to 0s; we keep this a fatal error on startup. Aslo fix
the ticker in z.Reload(): remove the per second ticks and just use the
reload interval for the ticker.
Brush up the documentation a bit as well.
Fixes: #2951
Signed-off-by: Miek Gieben <miek@miek.nl>
* Stickler and test compile
Signed-off-by: Miek Gieben <miek@miek.nl>
* Remove there too
Signed-off-by: Miek Gieben <miek@miek.nl>
* Cant README test these because zone files dont exist
Signed-off-by: Miek Gieben <miek@miek.nl>
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This fixes a long standing bug:
fixes: #1609
Load secondary zones in a go-routine; this required another mutex to
protect some fields; I think those were needded anyway because a
transfer can also happen when we're running; we just didn't have a test
for that situation.
The test had to be changed to wait for the transfer to happen at this is
async now.
Signed-off-by: Miek Gieben <miek@miek.nl>
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* Remove context.Context from request.Request
This removes the context from request.Request and makes all the changes
in the code to make it compile again. It's all mechanical. It did
unearth some weirdness in that the context was kept in handler structs
which may cause havoc with concurrently handling of requests.
Fixes #2721
Signed-off-by: Miek Gieben <miek@miek.nl>
* Make test compile
Signed-off-by: Miek Gieben <miek@miek.nl>
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* disable ra flag for several plugins
* removed unnecessary assignment
* removed more unnecessary assignments
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* Fix EDNS0 compliance
Do SizeAndDo in the server (ScrubWriter) and remove all uses of this
from the plugins. Also *always* do it. This is to get into compliance
for https://dnsflagday.net/.
The pkg/edns0 now exports the EDNS0 options we understand; this is
exported to allow plugins add things there. The *rewrite* plugin used
this to add custom EDNS0 option codes that the server needs to
understand.
This also needs a new release of miekg/dns because it triggered a
race-condition that was basicly there forever.
See:
* https://github.com/miekg/dns/issues/857
* https://github.com/miekg/dns/pull/859
Running a test instance and pointing the https://ednscomp.isc.org/ednscomp
to it shows the tests are now fixed:
~~~
EDNS Compliance Tester
Checking: 'miek.nl' as at 2018-12-01T17:53:15Z
miek.nl. @147.75.204.203 (drone.coredns.io.): dns=ok edns=ok edns1=ok edns@512=ok ednsopt=ok edns1opt=ok do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok
miek.nl. @2604:1380:2002:a000::1 (drone.coredns.io.): dns=ok edns=ok edns1=ok edns@512=ok ednsopt=ok edns1opt=ok do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok
All Ok
Codes
ok - test passed.
~~~
Signed-off-by: Miek Gieben <miek@miek.nl>
Signed-off-by: Miek Gieben <miek@miek.nl>
* typos in comments
Signed-off-by: Miek Gieben <miek@miek.nl>
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* plugin/file: Use new zone parser API
Use new dns lib 1.0.14 and default to using the new zone parser that
does not leak go-routines.
Signed-off-by: Miek Gieben <miek@miek.nl>
* Use new API
Signed-off-by: Miek Gieben <miek@miek.nl>
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For zone files with more than 10,000 records, the goroutines and memory
pinned by dns.ParseZone won't be released unless the tokens chan is
drained. As Parse is called by (*Zone).Reload very frequently, this
causes memory leaks and OOM conditions.
Updates miekg/dns#786
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Every plugin needs to deal with EDNS0 and should call Scrub to make a
message fit the client's buffer. Move this functionality into the server
and wrapping the ResponseWriter into a ScrubWriter that handles these
bits for us. Result:
Less code and faster, because multiple chained plugins could all be
calling scrub and SizeAndDo - now there is just one place.
Most tests in file/* and dnssec/* needed adjusting because in those unit
tests you don't see OPT RRs anymore. The DNSSEC signer was also looking
at the returned OPT RR to see if it needed to sign - as those are now
added by the server (and thus later), this needed to change slightly.
Scrub itself still exist (for backward compat reasons), but has been
made a noop. Scrub has been renamed to scrub as it should not be used by
external plugins.
Fixes: #2010
Signed-off-by: Miek Gieben <miek@miek.nl>
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* Remove Compress by default
Set Compress = true in Scrub only when the message doesn not fit the
advertized buffer. Doing compression is expensive, so try to avoid it.
Master vs this branch
pkg: github.com/coredns/coredns/plugin/cache
BenchmarkCacheResponse-2 50000 24774 ns/op
pkg: github.com/coredns/coredns/plugin/cache
BenchmarkCacheResponse-2 100000 21960 ns/op
* and make it compile
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* update docs
* plugins: use plugin specific logging
Hooking up pkg/log also changed NewWithPlugin to just take a string
instead of a plugin.Handler as that is more flexible and for instance
the Root "plugin" doesn't implement it fully.
Same logging from the reload plugin:
.:1043
2018/04/22 08:56:37 [INFO] CoreDNS-1.1.1
2018/04/22 08:56:37 [INFO] linux/amd64, go1.10.1,
CoreDNS-1.1.1
linux/amd64, go1.10.1,
2018/04/22 08:56:37 [INFO] plugin/reload: Running configuration MD5 = ec4c9c55cd19759ea1c46b8c45742b06
2018/04/22 08:56:54 [INFO] Reloading
2018/04/22 08:56:54 [INFO] plugin/reload: Running configuration MD5 = 9e2bfdd85bdc9cceb740ba9c80f34c1a
2018/04/22 08:56:54 [INFO] Reloading complete
* update docs
* better doc
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Got a bit messed up with stb lib "context" usage.
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* global: move to context
Move from golang.org/x/net/context to std lib's context.
Change done with:
for i in $(grep -l '/context' **/*.go); do sed -e 's|golang.org/x/net/context|context|' -i $i; echo $i; done
for i in **/*.go; do goimports -w $i; done
* drop from dns.pb.go as well
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* Update all plugins to use plugin/pkg/log
I wish this could have been done with sed. Alas manually changed all
callers to use the new plugin/pkg/log package.
* Error -> Info
* Add docs to debug plugin as well
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* move file, auto, secondary to new upstream
* include context in request
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This fix address several issues related to golint/vet/misspell.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
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* plugin/{file,auto}: drop fsnotify
Reload every minute. This is more deterministic then fsnotify. Also
other thing cropped up: sharing zone files between zone; there is only
1 fsnotify event and we need to fan out the reload to all zone files.
This is a large rewrite (which could still be done), for now, poll the
zone file on disk.
Give serial no change a special error type so we can check for this.
Improve the logging for reloading:
2017/09/19 07:34:39 [INFO] Successfully reloaded zone "miek.nl." in "db.miek.nl" with serial 128263060
2017/09/19 07:34:45 [INFO] Successfully reloaded zone "miek.nl." in "db.miek.nl" with serial 128263059
2017/09/19 07:34:51 [INFO] Successfully reloaded zone "miek.nl." in "db.miek.nl" with serial 128263060
Fixes #1013
* typo
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* Rename middleware to plugin
first pass; mostly used 'sed', few spots where I manually changed
text.
This still builds a coredns binary.
* fmt error
* Rename AddMiddleware to AddPlugin
* Readd AddMiddleware to remain backwards compat
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Miek Gieben
Yong Tang
Isolus
Tom Thorogood
Chris O'Haver
