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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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14
middleware/kubernetes/util/util.go
View file

@ -1,6 +1,10 @@
// Package kubernetes/util provides helper functions for the kubernetes middleware
package util
import (
"strings"
)
// StringInSlice check whether string a is a member of slice.
func StringInSlice(a string, slice []string) bool {
for _, b := range slice {
@ -10,3 +14,13 @@ func StringInSlice(a string, slice []string) bool {
}
return false
}
// SymbolContainsWildcard checks whether symbol contains a wildcard value
func SymbolContainsWildcard(symbol string) bool {
return (strings.Contains(symbol, WildcardStar) || (symbol == WildcardAny))
}
const (
WildcardStar = "*"
WildcardAny = "any"
)