Allow references to intermediate names

api/krusty/intermediateresourceid_test.go

@@ -0,0 +1,245 @@
+package krusty_test
+
+import (
+	"testing"
+
+	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
+)
+
+// Checks that a patch at the top of the stack can refer to resources
+// by an intermediate name after it has gone through multiple name
+// transformations.
+// Ref: Issue #3455
+func TestIntermediateName(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteK("/app/gcp", `
+namePrefix: gcp-
+resources:
+- ../emea
+patchesStrategicMerge:
+- depPatch.yaml
+`)
+	th.WriteF("/app/gcp/depPatch.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: prod-foo
+spec:
+  replicas: 999
+`)
+	th.WriteK("/app/emea", `
+namePrefix: emea-
+resources:
+- ../prod
+`)
+	th.WriteK("/app/prod", `
+namePrefix: prod-
+resources:
+- ../base
+`)
+	th.WriteK("/app/base", `
+resources:
+- deployment.yaml
+`)
+	th.WriteF("/app/base/deployment.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: foo
+spec:
+  template:
+    spec:
+      containers:
+      - image: whatever
+`)
+	m := th.Run("/app/gcp", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: gcp-emea-prod-foo
+spec:
+  replicas: 999
+  template:
+    spec:
+      containers:
+      - image: whatever
+`)
+}
+
+// Test for issue #3228
+// References to resources by their intermediate names after multiple
+// name transformations should be supported
+func TestIntermediateNameSecretKeyRefDiamond(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+
+	th.WriteK(".", `
+namePrefix: project-
+resources:
+- app`)
+
+	th.WriteK("/app", `
+resources:
+- resources/deployment.yaml
+- resources/xql
+`)
+
+	th.WriteK("/app/resources/xql", `
+resources:
+- xql-zero
+- xql-one
+configurations:
+- ./kustomizeconfig.yaml
+`)
+
+	th.WriteF("/app/resources/xql/kustomizeconfig.yaml", `
+varReference:
+- path: spec/template/spec/containers/env/valueFrom/secretKeyRef/name
+`)
+
+	th.WriteK("/app/resources/xql/xql-one", `
+namePrefix: xql-one-
+resources:
+- ../../../../bases/xql
+secretGenerator:
+- name: xql-secret
+  behavior: merge
+  envs:
+  - config/xql-one-secret.env
+vars:
+- name: PROJECT_XQL_ONE_SECRET_NAME
+  objref:
+    kind: Secret
+    name: xql-secret
+    apiVersion: v1
+  fieldref:
+    fieldpath: metadata.name
+`)
+
+	th.WriteF("/app/resources/xql/xql-one/config/xql-one-secret.env", `
+arg=1
+`)
+
+	th.WriteK("/app/resources/xql/xql-zero", `
+namePrefix: xql-zero-
+resources:
+- ../../../../bases/xql
+secretGenerator:
+- name: xql-secret
+  behavior: merge
+  envs:
+  - config/xql-zero-secret.env
+vars:
+- name: PROJECT_XQL_ZERO_SECRET_NAME
+  objref:
+    kind: Secret
+    name: xql-secret
+    apiVersion: v1
+  fieldref:
+    fieldpath: metadata.name
+`)
+
+	th.WriteF("/app/resources/xql/xql-zero/config/xql-zero-secret.env", `
+arg=0
+`)
+
+	th.WriteF("app/resources/deployment.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: app
+spec:
+  template:
+    spec:
+      containers:
+      - name: app
+        image: example.com/app:latest
+        imagePullPolicy: Always
+        env:
+        - name: XQL_ZERO_ARG
+          valueFrom:
+            secretKeyRef:
+              name: $(PROJECT_XQL_ZERO_SECRET_NAME)
+              key: arg
+        - name: XQL_ZERO_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: xql-zero-xql-secret
+              key: password
+        - name: XQL_ONE_ARG
+          valueFrom:
+            secretKeyRef:
+              name: $(PROJECT_XQL_ONE_SECRET_NAME)
+              key: arg
+        - name: XQL_ONE_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: xql-one-xql-secret
+              key: password
+`)
+
+	th.WriteK("/bases/xql", `
+secretGenerator:
+- name: xql-secret
+  envs:
+  - config/xql-secret.env
+`)
+
+	th.WriteF("bases/xql/config/xql-secret.env", `
+password=SUPER_SECRET_PASSWORD
+`)
+
+	m := th.Run(".", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: project-app
+spec:
+  template:
+    spec:
+      containers:
+      - env:
+        - name: XQL_ZERO_ARG
+          valueFrom:
+            secretKeyRef:
+              key: arg
+              name: project-xql-zero-xql-secret-6khmtc56hm
+        - name: XQL_ZERO_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              key: password
+              name: project-xql-zero-xql-secret-6khmtc56hm
+        - name: XQL_ONE_ARG
+          valueFrom:
+            secretKeyRef:
+              key: arg
+              name: project-xql-one-xql-secret-79mhmf5dgt
+        - name: XQL_ONE_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              key: password
+              name: project-xql-one-xql-secret-79mhmf5dgt
+        image: example.com/app:latest
+        imagePullPolicy: Always
+        name: app
+---
+apiVersion: v1
+data:
+  arg: MA==
+  password: U1VQRVJfU0VDUkVUX1BBU1NXT1JE
+kind: Secret
+metadata:
+  name: project-xql-zero-xql-secret-6khmtc56hm
+type: Opaque
+---
+apiVersion: v1
+data:
+  arg: MQ==
+  password: U1VQRVJfU0VDUkVUX1BBU1NXT1JE
+kind: Secret
+metadata:
+  name: project-xql-one-xql-secret-79mhmf5dgt
+type: Opaque
+`)
+}