Files
kustomize/pkg/target/resourceconflict_test.go
2019-06-13 16:15:43 -07:00

138 lines
2.8 KiB
Go

// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package target_test
import (
"strings"
"testing"
"sigs.k8s.io/kustomize/pkg/kusttest"
)
func writeCombinedOverlays(th *kusttest_test.KustTestHarness) {
// Base
th.WriteK("/app/base", `
resources:
- serviceaccount.yaml
- rolebinding.yaml
namePrefix: base-
nameSuffix: -suffix
`)
th.WriteF("/app/base/rolebinding.yaml", `
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: RoleBinding
metadata:
name: rolebinding
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: role
subjects:
- kind: ServiceAccount
name: serviceaccount
`)
th.WriteF("/app/base/serviceaccount.yaml", `
apiVersion: v1
kind: ServiceAccount
metadata:
name: serviceaccount
`)
// Mid-level overlays
th.WriteK("/app/overlays/a", `
bases:
- ../../base
namePrefix: a-
nameSuffix: -suffixA
`)
th.WriteK("/app/overlays/b", `
bases:
- ../../base
namePrefix: b-
nameSuffix: -suffixB
`)
// Top overlay, combining the mid-level overlays
th.WriteK("/app/combined", `
bases:
- ../overlays/a
- ../overlays/b
`)
}
func TestMultibasesNoConflict(t *testing.T) {
th := kusttest_test.NewKustTestHarness(t, "/app/combined")
writeCombinedOverlays(th)
m, err := th.MakeKustTarget().MakeCustomizedResMap()
if err != nil {
t.Fatalf("Unexpected err: %v", err)
}
th.AssertActualEqualsExpected(m, `
apiVersion: v1
kind: ServiceAccount
metadata:
name: a-base-serviceaccount-suffix-suffixA
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: b-base-serviceaccount-suffix-suffixB
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: RoleBinding
metadata:
name: a-base-rolebinding-suffix-suffixA
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: role
subjects:
- kind: ServiceAccount
name: a-base-serviceaccount-suffix-suffixA
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: RoleBinding
metadata:
name: b-base-rolebinding-suffix-suffixB
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: role
subjects:
- kind: ServiceAccount
name: b-base-serviceaccount-suffix-suffixB
`)
}
func TestMultibasesWithConflict(t *testing.T) {
th := kusttest_test.NewKustTestHarness(t, "/app/combined")
writeCombinedOverlays(th)
th.WriteK("/app/overlays/a", `
bases:
- ../../base
namePrefix: a-
nameSuffix: -suffixA
resources:
- serviceaccount.yaml
`)
// Expect an error because this resource in the overlay
// matches a resource in the base.
th.WriteF("/app/overlays/a/serviceaccount.yaml", `
apiVersion: v1
kind: ServiceAccount
metadata:
name: serviceaccount
`)
_, err := th.MakeKustTarget().MakeCustomizedResMap()
if err == nil {
t.Fatalf("Expected resource conflict.")
}
if !strings.Contains(
err.Error(), "Multiple matches for name ~G_v1_ServiceAccount") {
t.Fatalf("Unexpected err: %v", err)
}
}