Add e2e tests for build/diff kustomization

Signed-off-by: Soule BA <soule@weave.works>

cmd/flux/testdata/diff-kustomization/deployment.yaml

@@ -0,0 +1,78 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+      kustomize.toolkit.fluxcd.io/name: podinfo
+      kustomize.toolkit.fluxcd.io/namespace: {{ .fluxns }}
+  name: podinfo
+  namespace: default
+spec:
+  minReadySeconds: 3
+  revisionHistoryLimit: 5
+  progressDeadlineSeconds: 60
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: podinfo
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "9797"
+      labels:
+        app: podinfo
+    spec:
+      containers:
+      - name: podinfod
+        image: ghcr.io/stefanprodan/podinfo:6.0.10
+        imagePullPolicy: IfNotPresent
+        ports:
+        - name: http
+          containerPort: 9898
+          protocol: TCP
+        - name: http-metrics
+          containerPort: 9797
+          protocol: TCP
+        - name: grpc
+          containerPort: 9999
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=9898
+        - --port-metrics=9797
+        - --grpc-port=9999
+        - --grpc-service-name=podinfo
+        - --level=info
+        - --random-delay=false
+        - --random-error=false
+        env:
+        - name: PODINFO_UI_COLOR
+          value: "#34577c"
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/healthz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/readyz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        resources:
+          limits:
+            cpu: 2000m
+            memory: 512Mi
+          requests:
+            cpu: 100m
+            memory: 64Mi

cmd/flux/testdata/diff-kustomization/diff-with-deployment.golden

@@ -0,0 +1,4 @@
+► HorizontalPodAutoscaler/default/podinfo created
+► Service/default/podinfo created
+► Secret/default/podinfo-token-77t89m9b67 created
+► Secret/default/db-user-pass-bkbd782d2c created

cmd/flux/testdata/diff-kustomization/diff-with-drifted-key-sops-secret.golden

@@ -0,0 +1,10 @@
+► Deployment/default/podinfo created
+► HorizontalPodAutoscaler/default/podinfo created
+► Service/default/podinfo created
+► Secret/default/podinfo-token-77t89m9b67 drifted
+
+data
+  - one map entry removed:     + one map entry added:
+    drift-key: "*****"           token: "*****"
+
+► Secret/default/db-user-pass-bkbd782d2c created

cmd/flux/testdata/diff-kustomization/diff-with-drifted-secret.golden

@@ -0,0 +1,11 @@
+► Deployment/default/podinfo created
+► HorizontalPodAutoscaler/default/podinfo created
+► Service/default/podinfo created
+► Secret/default/podinfo-token-77t89m9b67 created
+► Secret/default/db-user-pass-bkbd782d2c drifted
+
+data.password
+  ± value change
+    - ******
+    + *****
+

cmd/flux/testdata/diff-kustomization/diff-with-drifted-service.golden

@@ -0,0 +1,16 @@
+► Deployment/default/podinfo created
+► HorizontalPodAutoscaler/default/podinfo created
+► Service/default/podinfo drifted
+
+spec.ports
+  ⇆ order changed
+    - http, grpc
+    + grpc, http
+
+spec.ports.http.port
+  ± value change
+    - 9899
+    + 9898
+
+► Secret/default/podinfo-token-77t89m9b67 created
+► Secret/default/db-user-pass-bkbd782d2c created

cmd/flux/testdata/diff-kustomization/diff-with-drifted-value-sops-secret.golden

@@ -0,0 +1,4 @@
+► Deployment/default/podinfo created
+► HorizontalPodAutoscaler/default/podinfo created
+► Service/default/podinfo created
+► Secret/default/db-user-pass-bkbd782d2c created

cmd/flux/testdata/diff-kustomization/key-sops-secret.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+data:
+  drift-key: bXktc2VjcmV0LXRva2VuCg==
+kind: Secret
+metadata:
+  labels:
+      kustomize.toolkit.fluxcd.io/name: podinfo
+      kustomize.toolkit.fluxcd.io/namespace: {{ .fluxns }}
+  name: podinfo-token-77t89m9b67
+  namespace: default
+type: Opaque

cmd/flux/testdata/diff-kustomization/kustomization.yaml

@@ -0,0 +1,11 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- ./deployment.yaml
+- ./hpa.yaml
+- ./service.yaml
+secretGenerator:
+ - literals:
+   - username=admin
+   - password=1f2d1e2e67df
+   name: secret-basic-auth

cmd/flux/testdata/diff-kustomization/nothing-is-deployed.golden

@@ -0,0 +1,5 @@
+► Deployment/default/podinfo created
+► HorizontalPodAutoscaler/default/podinfo created
+► Service/default/podinfo created
+► Secret/default/podinfo-token-77t89m9b67 created
+► Secret/default/db-user-pass-bkbd782d2c created

cmd/flux/testdata/diff-kustomization/secret.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+data:
+  password: cGFzc3dvcmQK
+  username: YWRtaW4=
+kind: Secret
+metadata:
+  labels:
+      kustomize.toolkit.fluxcd.io/name: podinfo
+      kustomize.toolkit.fluxcd.io/namespace: {{ .fluxns }}
+  name: db-user-pass-bkbd782d2c
+  namespace: default
+type: Opaque

cmd/flux/testdata/diff-kustomization/service.yaml

@@ -0,0 +1,21 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+      kustomize.toolkit.fluxcd.io/name: podinfo
+      kustomize.toolkit.fluxcd.io/namespace: {{ .fluxns }}
+  name: podinfo
+  namespace: default
+spec:
+  type: ClusterIP
+  selector:
+    app: podinfo
+  ports:
+    - name: http
+      port: 9899
+      protocol: TCP
+      targetPort: http
+    - port: 9999
+      targetPort: grpc
+      protocol: TCP
+      name: grpc

cmd/flux/testdata/diff-kustomization/value-sops-secret.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+data:
+  token: ZHJpZnQtdmFsdWUK
+kind: Secret
+metadata:
+  labels:
+      kustomize.toolkit.fluxcd.io/name: podinfo
+      kustomize.toolkit.fluxcd.io/namespace: {{ .fluxns }}
+  name: podinfo-token-77t89m9b67
+  namespace: default
+type: Opaque