Enforce system labels over default labels

internal/backend/deploy.go

@@ -313,6 +313,9 @@ func (in *instance) getLabels(labels map[string]string, tainr *types.Container)
  }
  labels[kk] = kv
  }
+ for k, v := range config.SystemLabels {
+ labels[k] = v
+ }
  labels["kubedock.containerid"] = tainr.ShortID
  return labels
 }

internal/config/kubernetes.go

@@ -11,13 +11,17 @@ import (
  "github.com/joyrex2001/kubedock/internal/util/stringid"
 )
 
-// DefaultLabels are the labels that are added to every kubedock
-// managed k8s resource.
-var DefaultLabels = map[string]string{
+// SystemLabels are the labels that are added to every kubedock
+// managed k8s resource and which should not be altered.
+var SystemLabels = map[string]string{
  "kubedock": "true",
  "kubedock.id": "",
 }
 
+// DefaultLabels are the labels that are added to every kubedock
+// managed k8s resource.
+var DefaultLabels = map[string]string{}
+
 // DefaultAnnotations are the annotations that are added to every
 // kubedock managed k8s resource.
 var DefaultAnnotations = map[string]string{}
@@ -29,7 +33,7 @@ var InstanceID = ""
 // this speciffic instance of kubedock.
 func init() {
  InstanceID = stringid.TruncateID(stringid.GenerateRandomID())
- DefaultLabels["kubedock.id"] = InstanceID
+ SystemLabels["kubedock.id"] = InstanceID
 }
 
 // AddDefaultLabel will add a label that will be added to all containers