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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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* Remove debug from interface and methods
* remove debug queries from etcd
* remove debug queries from k8s - they were not used
* And remove from mw/proxy-google as well
* Remove debug query test
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* mw/kubernetes: add configurable TTL
Add ttl option to kubernetes. This defaults to 5s but allows
configuration to go up to 3600.
Configure the tests so that a few actually check for the 5s, while the
rest use the TTL of 303 which is ignored by the checking code.
Fixes #935
* fix tests
* and more
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Do the return early and dedent the rest of the function.
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Based up on: #939, but redone in a new PR with some cherry-picked
commits:
aacb91ef0b927683b21d6ee39dbddbd001334854
5dc34247b7d0136d9fe035f6b10d6b3e14ee7f2c
This removes kPod and Kservice and creates []msg.Service from k.findPods
and k.findServices.
Updated few tests which I *think* are correct; they look correct to me.
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* mw/kubernetes: don't export Pod-mode constants.
* merged
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* mw/kubernetes: resync to opts
Only used to initialize the cache that already has a dnsControlopts, so
remove it from the main kubernetes struct.
* Fix test
* mw/kubernetes: LabelSelector to options as well
Labels select is also only used for init. Don't carry it in the main
kubernetes struct.
* remove this test: can't happen
Caddyfile parser will only call setup when it sees kubernetes.
* erge gone wrong
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* mw/kubernetes: rewrite parseRequest
Stop looking at the qtype in parseRequest and make k.Namespace a map.
Fallout from this is that pkg/strings as it is not used anymore. Also
add a few helper functions to make unexposed namespaces easier to see in
the code.
Add wildcard tests to the middleware tests.
* Fix tests
Add a whole bunch of comments to document what we are trying to do.
* This is now answered
* up coverage
* duh
* Update testcase
* Make it nodata
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* Add dnsutil.Join
* Create dnsutil.Join
Create Join helper function and move bits in the code over.
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This is more general and aligns well with the other methods.
Also allows the kubernetes middleware to use it.
Fixes #940
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* mw/kubernetes: remove zone from parseRequest
State has the zone info as well, so don't need to have it in
parseRequest anymore.
* Fix up tests
* improve test coverage
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* mw/federaration
This PR add the federation back as a middleware to keep it more
contained from the main kubernetes code.
It also makes parseRequest less import and pushes this functionlity down
in the k.Entries. This minimizes (or tries to) the importance for the
qtype in the query. In the end the qtype checking should only happen
in ServeDNS - but for k8s this might proof difficult.
Numerous other cleanup in code and kubernetes tests.
* up test coverage
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This PR adds a reverse tests that copies some of it from the main
integration test. This aids in local testing because you don't need
a full k8s setup running.
It does the most minimal testing, a successful return and a nodata
response that includes the SOA for in-addr.arpa.
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* mw/kubernetes: remove federation and cidr
Remove both as we have a corefile syntax change that handles cidr and
remove federation because that is going to be its own middleware.
* backwards incompat changes
This PR:
* removes cidr from kubernetes (core Corefile feature now)
* removes federation from kubernets (comes back as new middleware)
* [remove autopath - which was already gone, so that already was
backwards incompat]
* adds `fallthrough` to the *etcd* middleware and makes you enable it.
* Fail on unknown properties
* documentation
* Disable TestHealthCheck as it uses realtime and fails
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* mw/k8s: cleanups
Remove some constants that aren't used any more. Make PrimaryZone
private because it doesn't need to be exported. Remove test that
did not cover corner case as expressed in setup.go
* cleanup this as well
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Remove k.defaultNSMsg() it is just one line of getting the service and
it is another method that needlessly uses recordRequest.
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servers (#820)
* Support multiple k8s api servers specification and load balance among api servers
This fix adds supports for multiple k8s api servers specification,
load balance among api servers.
When two or more api servers are specified in kubernetes block (endpoint ...),
a proxy is created locally (with randomly generately port). The coredns
will points to the generated proxy so that load balancing could be achieved.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Setup initial healthcheck at the beginning
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Update README.md for kubernetes middleware and remove whitespaces.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Use middleware/pkg/healthcheck in middleware/kubernetes
for api proxy
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
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* mw/k8s: remove dependence on global var
Remove the global coreDNSRecord that was used. Remove tests the
referenced that var. Cleanup the rest.
* Rename function as well
* fixes
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* mw/kubernetes: handle dns.TypeNS better.
* mw/kubernetes: cleanup typeNS replies a bit.
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* middleware/authpath: Fix return from k8s mw
Return the correct search path from the kubernetes' AutoPath function.
Based on preliminary discussion in #870
* PodWithIP can be private
Fix and add docs to functions.
* CR: remove the error from AutoPathFunc
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* middleware/kubernetes: pull TXT out of parseRequest
Put the TXT handling one layer higher and remove it from parseRequest.
Also rename the podsvc field in there to podOrSvc. Now that it isn't
used anymore for TXT record (dns-version) that was put in there. We can
make this a boolean (in a future PR).
Make parseRequest get an optional Zone that is from state.Zone and use
that instead of its own code. Removed some tests and other smaller
cleanups.
Fixes #836
* add this reverse
* another check
* readd
* Rename to kPod and kService for some clarity
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Move reverse function and (some) test code to reverse*.go
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autopath as middleware
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Factor out as much of autopath into a subpackage as possible right now.
apw.Sent is not needed, we should see this from the rcode returned by
the middleware. See #852 on why this was needed.
Disable the tests for now as to not break the main build.
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Put the autopath stuff in a separate sub package. Tests are still
included in the main kubernetes directory.
Next steps (after this is merged), is pulling the autopath handling
into the subpackage and fixing the tests.
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* kubernetes/reverse: remove deadcode
* deadcode in errors and kubernetes removed
* unnecessary conversion
* constants
* proxy: time.Since()
* simplications
* static check
* Disable test/external_test
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dedent code, use shorter names.
use strings.EqualFold instead ToLower to avoid create garbage.
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Clean up some golint related issues.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
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Define two consts Pod and Svc, makes it stand out a little more
when used in switches in case.
We have opted for a new type, but then you need to convert them
all the time with string(Foo).
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* Treat absence of port/service in SRV as wildcard
Normally, a SRV-request should have the form
_<service>._<port>.<name>.<zone>. The k8s peer-finder which is used for
bootstrapping by some applications will however query for SRV at
<name>.<zone>.
To compensate for this behaviour, treat the absence of _<service> and
_<port> as wildcards.
* Modified tests with new SRV behaviour
Added a testcase for a SRV request without port & service
Removed now valid query from invalidSRVQueries
* Forgot to run gofmt on test/kubernetes_test.go
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Drop the interfaceAddr interfaces and just use a function. Cleanup
all fallout from that. Remove the use of global variables and cleanup
the tests a bit.
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* mw/kubernete: small cleanup
Small cleanup, avoid pointer to []msg.Services and just returns the
msg.Service.
* Actually compile
* testss
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* fix aaaa response
* unit tests
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* Add unit tests & cnames
* more progress
* fix
* next mw dependent unit tests
* add tests for OnNXDOMAIN
* Add AAAA and ndots unit tests; fix request.NewWithQuestion
* Correct default value in README
* add CNAMEs to readme
* review
* fix autopath examples
* fix and test CNAME response order
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* initial commit
* add config options
* add readme
* rewording
* revert unlreated change
* normalize host domain path
* add ndots opt, allow > 1 host domains, pull host domains from resolv.conf
* implementing review feedback
* update readme
* use dns lib, config format, defaults
* Correct autopath example.
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* cleanup: go vet and golint run
Various cleanups trickered by go vet and golint.
* Fix tests and lowercase all errors
Lowercase all errors, some tests in kubernetes use errors from
kubernetes which do start with a capital letter.
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* federation initial commit
* UTs/bugfixes
* federation bits
* polish, cover UT gaps
* add TODO
* go fmt & todo note
* remove unrelated change
* pr changes
* start node watcher
* get real node name
* remove unused case
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* Add external service cnames
* remove cruft
* update CI k8s version
* change CI k8s version
* min k8s ver for ext services
* trying k8s 1.5
* k8s 1.5 requires ports spec
* remove kruft
* update dns schema version
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This commit fixes some golint issues in `core/dnsserver`
and `middleware/kubernetes`.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
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* commit for testing in cluster
* commit for testing in cluster
* refactor and add ns.dns record
* Release 007
* reduce heap allocations
* gofmt
* revert accidental Makefile commits
* restore prior rcode for disabled pod mode
* revert Makefile deltas
* add unit tests
* more unit tests
* make isRequestInReverseRange easier to test
* more unit tests
* addressing review feedback
* commit setup.go
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* Add fallthrough support for Kubernetes
This enables registering other services in the same zone as
Kubernetes services. This also re-orders the middleware chain
so that Kubernetes comes before other types, in order to make
this work out-of-the-box.
* Remove extra line
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Set of small cleanups.
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* linter fixes
* Golint and format code
* fmt
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(#547)
This fix fixes import path from
`github.com/miekg/coredns`
->
`github.com/coredns/coredns`
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Miek Gieben
Yong Tang
Markus Sommer
Chris O'Haver
Mia Boulay
John Belamaric
Yong Tang
