Add json tags to internal fields and basic config test

.github/workflows/manifests.yaml

@@ -0,0 +1,38 @@
+name: manifests
+
+on:
+  pull_request:
+
+jobs:
+  deploy:
+    strategy: 
+      matrix:
+        k8s-version: ["v1.26.0"]
+        descheduler-version: ["v0.26.1"]
+        descheduler-api: ["v1alpha1", "v1alpha2"]
+        manifest: ["deployment"]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+      - name: Create kind cluster
+        uses: helm/kind-action@v1.5.0
+        with:
+          node_image: kindest/node:${{ matrix.k8s-version }}
+          kubectl_version: ${{ matrix.k8s-version }}
+          config: test/kind-config.yaml
+      - name: Build image
+        run: |
+          VERSION="dev" make dev-image
+          docker tag descheduler:dev registry.k8s.io/descheduler/descheduler:${{ matrix.descheduler-version }}
+      - name: Kind load image
+        run: |
+          kind load docker-image registry.k8s.io/descheduler/descheduler:${{ matrix.descheduler-version }} --name chart-testing
+      - name: Create k8s manifests
+        run: |
+          kubectl create -f kubernetes/base/rbac.yaml
+          kubectl create -f test/manifests/${{ matrix.descheduler-api }}/configmap.yaml
+          kubectl create -f kubernetes/${{ matrix.manifest }}/${{ matrix.manifest }}.yaml
+      - name: Wait for ready condition
+        run: |
+          kubectl wait --for=condition=Available --timeout=60s ${{ matrix.manifest }} descheduler -n kube-system

kubernetes/base/configmap.yaml

@@ -6,23 +6,26 @@ metadata:
   namespace: kube-system
 data:
   policy.yaml: |
-    apiVersion: "descheduler/v1alpha1"
+    apiVersion: "descheduler/v1alpha2"
     kind: "DeschedulerPolicy"
-    strategies:
+    profiles:
-      "RemoveDuplicates":
+      - name: ProfileName
-         enabled: true
+        pluginConfig:
-      "RemovePodsViolatingInterPodAntiAffinity":
+        - name: "DefaultEvictor"
-         enabled: true
+        - name: "RemovePodsViolatingInterPodAntiAffinity"
-      "LowNodeUtilization":
+        - name: "LowNodeUtilization"
-         enabled: true
+          args:
-         params:
+            thresholds:
-           nodeResourceUtilizationThresholds:
+              "cpu" : 20
-             thresholds:
+              "memory": 20
-               "cpu" : 20
+              "pods": 20
-               "memory": 20
+            targetThresholds:
-               "pods": 20
+              "cpu" : 50
-             targetThresholds:
+              "memory": 50
-               "cpu" : 50
+              "pods": 50
-               "memory": 50
+        plugins:
-               "pods": 50
+          balance:
-
+            enabled:
+              - "LowNodeUtilization"
+              - "RemovePodsViolatingInterPodAntiAffinity"
+              - "RemoveDuplicates

pkg/api/types.go

@@ -43,8 +43,8 @@ type DeschedulerPolicy struct {
 // Namespaces carries a list of included/excluded namespaces
 // for which a given strategy is applicable
 type Namespaces struct {
-	Include []string
+	Include []string `json:"include"`
-	Exclude []string
+	Exclude []string `json:"exclude"`
 }
 
 type (
@@ -53,8 +53,8 @@ type (
 )
 
 type PriorityThreshold struct {
-	Value *int32
+	Value *int32 `json:"value"`
-	Name  string
+	Name  string `json:"name"`
 }
 
 type DeschedulerProfile struct {

test/kind-config.yaml

@@ -0,0 +1,6 @@
+kind: Cluster
+apiVersion: kind.x-k8s.io/v1alpha4
+nodes:
+- role: control-plane
+- role: worker
+- role: worker

test/manifests/v1alpha1/configmap.yaml

@@ -0,0 +1,27 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: descheduler-policy-configmap
+  namespace: kube-system
+data:
+  policy.yaml: |
+    apiVersion: "descheduler/v1alpha1"
+    kind: "DeschedulerPolicy"
+    strategies:
+      "RemoveDuplicates":
+         enabled: true
+      "RemovePodsViolatingInterPodAntiAffinity":
+         enabled: true
+      "LowNodeUtilization":
+         enabled: true
+         params:
+           nodeResourceUtilizationThresholds:
+             thresholds:
+               "cpu" : 20
+               "memory": 20
+               "pods": 20
+             targetThresholds:
+               "cpu" : 50
+               "memory": 50
+               "pods": 50

test/manifests/v1alpha2/configmap.yaml

@@ -0,0 +1,29 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: descheduler-policy-configmap
+  namespace: kube-system
+data:
+  policy.yaml: |
+    apiVersion: "descheduler/v1alpha2"
+    kind: "DeschedulerPolicy"
+    profiles:
+      - name: ProfileName
+        pluginConfig:
+        - name: "DefaultEvictor"
+          args:
+            priorityThreshold:
+              value: 10000
+        - name: "PodLifeTime"
+          args:
+            maxPodLifeTimeSeconds: 86400
+            namespaces:
+              include:
+              - "namespace1"
+              - "namespace2"
+        plugins:
+          deschedule:
+            enabled:
+              - "PodLifeTime"
+