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Adding label selector support to Corefile (#208)

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* Adding parsing for label selector to Corefile

* Updating comment typo in k8sCorefile

* Adding implementation of label support to filter exposed objects

* Updating TODO list
This commit is contained in:
Michael Richmond 2016-08-12 20:44:08 -07:00 • committed by GitHub
parent 3b7b9b49d5
commit ad2838b916
6 changed files with 194 additions and 47 deletions
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15
core/setup/kubernetes.go
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@ -10,6 +10,7 @@ import (
"github.com/miekg/coredns/middleware"
"github.com/miekg/coredns/middleware/kubernetes"
"github.com/miekg/coredns/middleware/kubernetes/nametemplate"
unversionedapi "k8s.io/kubernetes/pkg/api/unversioned"
)
const (
@ -109,6 +110,20 @@ func kubernetesParse(c *Controller) (kubernetes.Kubernetes, error) {
log.Printf("[debug] 'resyncperiod' keyword provided without any duration value.")
return kubernetes.Kubernetes{}, c.ArgErr()
}
case "labels":
args := c.RemainingArgs()
if len(args) != 0 {
labelSelectorString := strings.Join(args, " ")
k8s.LabelSelector, err = unversionedapi.ParseToLabelSelector(labelSelectorString)
if err != nil {
err = errors.New(fmt.Sprintf("Unable to parse label selector. Value provided was '%v'. Error was: %v", labelSelectorString, err))
log.Printf("[ERROR] %v", err)
return kubernetes.Kubernetes{}, err
}
} else {
log.Printf("[debug] 'labels' keyword provided without any selector value.")
return kubernetes.Kubernetes{}, c.ArgErr()
}
}
}
return k8s, nil