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Adding wildcard support (#190)

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* Commenting out unused functions. TODO: remove when it is not needed

* Update README with namespace and template example

* Adding note about changing the record name format via a template

* Adding test scripts to automate k8s startup

* Automating k8s namespace creation

* Adding automation to start 4 k8s services

* Updating documentation for k8s tests

* Avoid downloading kubectl if already exists

* Adding debug statement when namespace is not exposed.

* Adding basic kubernetes integration tests

* Makefile now contains a "testk8s" target. This target requires k8s to
  be running.
* Adding test/kubernetes_test.go file with a couple of basic A record
  tests.

* Updating k8s integration tests to only run k8s integration tests

* Adding support for namespace wildcards

* Refactoring to move filtering logic to kubernetes.go file

* go fmt fixes

* Adding wildcard support for namespaces and service names

* Kubernetes integration tests updated for A records.
* Expanded record name assembly for answer section not yet implemented.
* Refactoring to focus k8sclient code just on accessing k8s API.
 Filtering now handled in kubernetes.go

* Adding wildcard test cases

* Adding skydns startup script. (To allow side by side testing of wildcards.)
* Commenting out record name assmebly based on NameTemplate. Need to improve template before this makes sense.

* Adding basic SRV integration tests

* Need to add verification for additional answer section

* Fixing comments and formatting

* Moving wildcard constants to vars

* Travis test execution appears to be failing on access to these
 constants

* Fixing access to util package

* Trying to work around Travis test bug

* Reverting to access kubernetes/util as "util"

Travis breakage is due to "Infoblox-CTO" in src path
This commit is contained in:
Michael Richmond
2016-07-14 14:50:14 -07:00
committed by Miek Gieben
parent 319d30697a
commit 3f4ec783d2
17 changed files with 527 additions and 67 deletions
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35
middleware/kubernetes/test/README.md Normal file
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## Test scripts to automate kubernetes startup
Requirements:
docker
curl
The scripts in this directory startup kubernetes with docker as the container runtime.
After starting kubernetes, a couple of kubernetes services are started to allow automatic
testing of CoreDNS with kubernetes.
To use, run the scripts as:
~~~
$ ./00_run_k8s.sh && ./10_setup_kubectl.sh && ./20_setup_k8s_services.sh
~~~
After running the above scripts, kubernetes will be running on the localhost with the following services
exposed:
~~
NAMESPACE NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE
default kubernetes 10.0.0.1 <none> 443/TCP 48m
demo mynginx 10.0.0.168 <none> 80/TCP 9m
demo webserver 10.0.0.28 <none> 80/TCP 2m
test mynginx 10.0.0.4 <none> 80/TCP 2m
test webserver 10.0.0.39 <none> 80/TCP 2m
~~
Kubernetes and all running containers can be uncerimoniously stopped by
running the `kill_all_containers.sh` script.
~~~
$ ./kill_all_containers.sh
~~~