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Avoid reading the namespace file every time the NamespacedName value is decoded. (#243)

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This commit is contained in:
Oleksii Kliukin
2018-02-20 17:41:11 +01:00
committed by GitHub
parent b0549c3c9c
commit 1f71c8d72f
1 changed files with 10 additions and 6 deletions
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pkg/spec/types.go
+10 -6
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@@ -154,6 +154,9 @@ type ControllerConfig struct {
Namespace string
}
// cached value for the GetOperatorNamespace
var operatorNamespace string
func (n NamespacedName) String() string {
return types.NamespacedName(n).String()
}
@@ -192,11 +195,12 @@ func (n *NamespacedName) DecodeWorker(value, operatorNamespace string) error {
// GetOperatorNamespace assumes serviceaccount secret is mounted by kubernetes
// Placing this func here instead of pgk/util avoids circular import
func GetOperatorNamespace() string {
operatorNamespaceBytes, err := ioutil.ReadFile(fileWithNamespace)
if err != nil {
log.Fatalf("Unable to detect operator namespace from within its pod due to: %v", err)
if operatorNamespace == "" {
operatorNamespaceBytes, err := ioutil.ReadFile(fileWithNamespace)
if err != nil {
log.Fatalf("Unable to detect operator namespace from within its pod due to: %v", err)
}
operatorNamespace = string(operatorNamespaceBytes)
}
return string(operatorNamespaceBytes)
return operatorNamespace
}