traefik/provider/kubernetes/annotations_parser.go

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package kubernetes
import (
"strings"
"github.com/containous/traefik/log"
"github.com/containous/traefik/types"
"k8s.io/client-go/pkg/apis/extensions/v1beta1"
)
func getBoolAnnotation(meta *v1beta1.Ingress, name string, defaultValue bool) bool {
annotationValue := defaultValue
annotationStringValue, ok := meta.Annotations[name]
switch {
case !ok:
// No op.
case annotationStringValue == "false":
annotationValue = false
case annotationStringValue == "true":
annotationValue = true
default:
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log.Warnf("Unknown value %q for %q, falling back to %q", annotationStringValue, name, defaultValue)
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}
return annotationValue
}
func getStringAnnotation(meta *v1beta1.Ingress, name string) string {
value := meta.Annotations[name]
return value
}
func getSliceAnnotation(meta *v1beta1.Ingress, name string) []string {
var value []string
if annotation, ok := meta.Annotations[name]; ok && annotation != "" {
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value = types.SplitAndTrimString(annotation)
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}
if len(value) == 0 {
log.Debugf("Could not load %v annotation, skipping...", name)
return nil
}
return value
}
func getMapAnnotation(meta *v1beta1.Ingress, name string) map[string]string {
value := make(map[string]string)
if annotation := meta.Annotations[name]; annotation != "" {
for _, v := range strings.Split(annotation, ",") {
pair := strings.Split(v, ":")
if len(pair) != 2 {
log.Debugf("Could not load annotation (%v) with value: %v, skipping...", name, pair)
} else {
value[pair[0]] = pair[1]
}
}
}
if len(value) == 0 {
log.Debugf("Could not load %v annotation, skipping...", name)
return nil
}
return value
}