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Optimize random string generator to avoid multiple locks & use bitmasking

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This commit is contained in:
Shyam Jeedigunta
2017-10-12 13:40:00 +02:00
parent 0564d52985
commit c279a53ca0
2 changed files with 41 additions and 16 deletions
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16
pkg/controller/serviceaccount/tokens_controller_test.go
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@@ -73,7 +73,7 @@ func tokenSecretReferences() []v1.ObjectReference {
// addTokenSecretReference adds a reference to the ServiceAccountToken that will be created
func addTokenSecretReference(refs []v1.ObjectReference) []v1.ObjectReference {
return addNamedTokenSecretReference(refs, "default-token-stdpg")
return addNamedTokenSecretReference(refs, "default-token-xn8fg")
}
// addNamedTokenSecretReference adds a reference to the named ServiceAccountToken
@@ -118,9 +118,9 @@ func opaqueSecret() *v1.Secret {
}
// createdTokenSecret returns the ServiceAccountToken secret posted when creating a new token secret.
// Named "default-token-stdpg", since that is the first generated name after rand.Seed(1)
// Named "default-token-xn8fg", since that is the first generated name after rand.Seed(1)
func createdTokenSecret(overrideName ...string) *v1.Secret {
return namedCreatedTokenSecret("default-token-stdpg")
return namedCreatedTokenSecret("default-token-xn8fg")
}
// namedTokenSecret returns the ServiceAccountToken secret posted when creating a new token secret with the given name.
@@ -264,12 +264,12 @@ func TestTokenCreation(t *testing.T) {
// Attempt 2
core.NewGetAction(schema.GroupVersionResource{Version: "v1", Resource: "serviceaccounts"}, metav1.NamespaceDefault, "default"),
core.NewCreateAction(schema.GroupVersionResource{Version: "v1", Resource: "secrets"}, metav1.NamespaceDefault, namedCreatedTokenSecret("default-token-jk9rt")),
core.NewCreateAction(schema.GroupVersionResource{Version: "v1", Resource: "secrets"}, metav1.NamespaceDefault, namedCreatedTokenSecret("default-token-txhzt")),
// Attempt 3
core.NewGetAction(schema.GroupVersionResource{Version: "v1", Resource: "serviceaccounts"}, metav1.NamespaceDefault, "default"),
core.NewCreateAction(schema.GroupVersionResource{Version: "v1", Resource: "secrets"}, metav1.NamespaceDefault, namedCreatedTokenSecret("default-token-684pg")),
core.NewUpdateAction(schema.GroupVersionResource{Version: "v1", Resource: "serviceaccounts"}, metav1.NamespaceDefault, serviceAccount(addNamedTokenSecretReference(emptySecretReferences(), "default-token-684pg"))),
core.NewCreateAction(schema.GroupVersionResource{Version: "v1", Resource: "secrets"}, metav1.NamespaceDefault, namedCreatedTokenSecret("default-token-vnmz7")),
core.NewUpdateAction(schema.GroupVersionResource{Version: "v1", Resource: "serviceaccounts"}, metav1.NamespaceDefault, serviceAccount(addNamedTokenSecretReference(emptySecretReferences(), "default-token-vnmz7"))),
},
},
"new serviceaccount with no secrets encountering unending create error": {
@@ -293,10 +293,10 @@ func TestTokenCreation(t *testing.T) {
core.NewCreateAction(schema.GroupVersionResource{Version: "v1", Resource: "secrets"}, metav1.NamespaceDefault, createdTokenSecret()),
// Retry 1
core.NewGetAction(schema.GroupVersionResource{Version: "v1", Resource: "serviceaccounts"}, metav1.NamespaceDefault, "default"),
core.NewCreateAction(schema.GroupVersionResource{Version: "v1", Resource: "secrets"}, metav1.NamespaceDefault, namedCreatedTokenSecret("default-token-jk9rt")),
core.NewCreateAction(schema.GroupVersionResource{Version: "v1", Resource: "secrets"}, metav1.NamespaceDefault, namedCreatedTokenSecret("default-token-txhzt")),
// Retry 2
core.NewGetAction(schema.GroupVersionResource{Version: "v1", Resource: "serviceaccounts"}, metav1.NamespaceDefault, "default"),
core.NewCreateAction(schema.GroupVersionResource{Version: "v1", Resource: "secrets"}, metav1.NamespaceDefault, namedCreatedTokenSecret("default-token-684pg")),
core.NewCreateAction(schema.GroupVersionResource{Version: "v1", Resource: "secrets"}, metav1.NamespaceDefault, namedCreatedTokenSecret("default-token-vnmz7")),
},
},
"new serviceaccount with missing secrets": {