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* Move functions from pkg/transport to pkg/parse
Although "parse" is a fairly generic name I believe this is somewhat
better named. pkg/transport keeps a few constants that are uses
throughout for the rest is is renaming a bunch (and the fallout from
there to make things compile again).
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix tests
Signed-off-by: Miek Gieben <miek@miek.nl>
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Create plugin/pkg/transport that holds the transport related functions.
This needed to be a new pkg to prevent cyclic import errors.
This cleans up a bunch of duplicated code in core/dnsserver that also
tried to parse a transport (now all done in transport.Parse).
Signed-off-by: Miek Gieben <miek@miek.nl>
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* plugin/forward: add HealthChecker interface
Make the HealthChecker interface and morph the current DNS health
checker into that interface.
Remove all whole bunch of method on Forward that didn't make sense.
This is done in preparation of adding a DoH client to forward - which
requires a completely different healthcheck implementation (and more,
but lets start here)
Signed-off-by: Miek Gieben <miek@miek.nl>
* Use protocol
Signed-off-by: Miek Gieben <miek@miek.nl>
* Dial doesnt need to be method an Forward either
Signed-off-by: Miek Gieben <miek@miek.nl>
* Address comments
Address various comments on the PR.
Signed-off-by: Miek Gieben <miek@miek.nl>
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* plugin/forward: add prefer_udp option
* updated according to code review
- fixed linter warning
- removed metric parameter in Proxy.Connect()
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* adding sequential policy to forward plugin
* making sequential an alias to first in proxy plugin
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This registers the Collectors iff the metrics plugin has been loaded.
Safes a bunch of code in each and every plugin's setup code.
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* plugins: Return error for multiple use of some
Return plugin.ErrOnce when a plugin that doesn't support it, is called
mutliple times.
This now adds it for: cache, dnssec, errors, forward, hosts, nsid.
And changes it slightly in kubernetes, pprof, reload, root.
* more tests
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* doc: some function/vars/const/package level updates
Various update that stood out while reading godoc.org for CoreDNS.
* Fix some misspellings as well
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* plugin/forward: on demand healtchecking
Only start doing health checks when we encouner an error (any error).
This uses the new pluing/pkg/up package to abstract away the actual
checking. This reduces the LOC quite a bit; does need more testing, unit
testing and tcpdumping a bit.
* fix tests
* Fix readme
* Use pkg/up for healthchecks
* remove unused channel
* more cleanups
* update readme
* * Again do go generate and go build; still referencing the wrong forward
repo? Anyway fixed.
* Use pkg/up for doing the healtchecks to cut back on unwanted queries
* Change up.Func to return an error instead of a boolean.
* Drop the string target argument as it doesn't make sense.
* Add healthcheck test on failing to get an upstream answer.
TODO(miek): double check Forward and Lookup and how they interact with
HC, and if we correctly call close() on those
* actual test
* Tests here
* more tests
* try getting rid of host
* Get rid of the host indirection
* Finish removing hosts
* moar testing
* import fmt
* field is not used
* docs
* move some stuff
* bring back health_check
* maxfails=0 test
* git and merging, bah
* review
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* plugin/forward: add it
This moves coredns/forward into CoreDNS. Fixes as a few bugs, adds a
policy option and more tests to the plugin.
Update the documentation, test IPv6 address and add persistent tests.
* Always use random policy when spraying
* include scrub fix here as well
* use correct var name
* Code review
* go vet
* Move logging to metrcs
* Small readme updates
* Fix readme
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Miek Gieben
Eugen Kleiner
Ruslan Drozhdzh
Scott Donovan
