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| 1 | +package io.javaoperatorsdk.webhook.admission.sample.quarkus; |
| 2 | + |
| 3 | +import java.io.IOException; |
| 4 | +import java.io.InputStream; |
| 5 | +import java.net.URL; |
| 6 | +import java.time.Duration; |
| 7 | +import java.util.List; |
| 8 | +import java.util.Map; |
| 9 | +import java.util.function.UnaryOperator; |
| 10 | + |
| 11 | +import org.junit.jupiter.api.BeforeAll; |
| 12 | +import org.junit.jupiter.api.Test; |
| 13 | + |
| 14 | +import io.fabric8.kubernetes.api.model.HasMetadata; |
| 15 | +import io.fabric8.kubernetes.api.model.ObjectMetaBuilder; |
| 16 | +import io.fabric8.kubernetes.api.model.apiextensions.v1.*; |
| 17 | +import io.fabric8.kubernetes.api.model.networking.v1.*; |
| 18 | +import io.fabric8.kubernetes.client.KubernetesClient; |
| 19 | +import io.fabric8.kubernetes.client.KubernetesClientBuilder; |
| 20 | +import io.fabric8.kubernetes.client.KubernetesClientException; |
| 21 | +import io.javaoperatorsdk.webhook.sample.commons.customresource.MultiVersionCustomResource; |
| 22 | +import io.javaoperatorsdk.webhook.sample.commons.customresource.MultiVersionCustomResourceSpec; |
| 23 | +import io.javaoperatorsdk.webhook.sample.commons.customresource.MultiVersionCustomResourceV2; |
| 24 | + |
| 25 | +import static io.javaoperatorsdk.webhook.admission.sample.quarkus.conversion.ConversionEndpoint.CONVERSION_PATH; |
| 26 | +import static io.javaoperatorsdk.webhook.sample.commons.AdmissionControllers.MUTATION_TARGET_LABEL; |
| 27 | +import static io.javaoperatorsdk.webhook.sample.commons.Utils.*; |
| 28 | +import static org.assertj.core.api.Assertions.assertThat; |
| 29 | +import static org.awaitility.Awaitility.await; |
| 30 | +import static org.junit.jupiter.api.Assertions.assertThrows; |
| 31 | + |
| 32 | +class WebhooksE2E { |
| 33 | + |
| 34 | + public static final String TEST_CR_NAME = "test-cr"; |
| 35 | + public static final int CR_SPEC_VALUE = 5; |
| 36 | + private KubernetesClient client = new KubernetesClientBuilder().build(); |
| 37 | + |
| 38 | + @BeforeAll |
| 39 | + static void deployService() throws IOException { |
| 40 | + try (KubernetesClient client = new KubernetesClientBuilder().build(); |
| 41 | + InputStream certManager = |
| 42 | + new URL( |
| 43 | + "https://github.com/cert-manager/cert-manager/releases/download/v1.10.1/cert-manager.yaml") |
| 44 | + .openStream()) { |
| 45 | + applyAndWait(client, certManager); |
| 46 | + applyAndWait(client, "target/kubernetes/minikube.yml"); |
| 47 | + applyAndWait(client, "k8s/validating-webhook-configuration.yml"); |
| 48 | + applyAndWait(client, "k8s/mutating-webhook-configuration.yml"); |
| 49 | + applyAndWait(client, |
| 50 | + "../commons/target/classes/META-INF/fabric8/multiversioncustomresources.sample.javaoperatorsdk-v1.yml", |
| 51 | + addConversionHookEndpointToCustomResource()); |
| 52 | + |
| 53 | + } |
| 54 | + } |
| 55 | + |
| 56 | + @Test |
| 57 | + void validationHook() { |
| 58 | + var ingressWithLabel = testIngress("normal-add-test"); |
| 59 | + addRequiredLabels(ingressWithLabel); |
| 60 | + await().atMost(Duration.ofSeconds(SPIN_UP_GRACE_PERIOD)).untilAsserted(() -> { |
| 61 | + Ingress res = null; |
| 62 | + try { |
| 63 | + // this can be since coredns in minikube can take some time |
| 64 | + res = client.network().v1().ingresses().resource(ingressWithLabel).createOrReplace(); |
| 65 | + } catch (KubernetesClientException e) { |
| 66 | + } |
| 67 | + assertThat(res).isNotNull(); |
| 68 | + }); |
| 69 | + assertThrows(KubernetesClientException.class, |
| 70 | + () -> client.network().v1().ingresses().resource(testIngress("validate-test")) |
| 71 | + .createOrReplace()); |
| 72 | + } |
| 73 | + |
| 74 | + @Test |
| 75 | + void mutationHook() { |
| 76 | + var ingressWithLabel = testIngress("mutation-test"); |
| 77 | + addRequiredLabels(ingressWithLabel); |
| 78 | + await().atMost(Duration.ofSeconds(SPIN_UP_GRACE_PERIOD)).untilAsserted(() -> { |
| 79 | + Ingress res = null; |
| 80 | + try { |
| 81 | + // this can be since coredns in minikube can take some time |
| 82 | + res = client.network().v1().ingresses().resource(ingressWithLabel).createOrReplace(); |
| 83 | + } catch (KubernetesClientException e) { |
| 84 | + } |
| 85 | + assertThat(res).isNotNull(); |
| 86 | + assertThat(res.getMetadata().getLabels()).containsKey(MUTATION_TARGET_LABEL); |
| 87 | + }); |
| 88 | + } |
| 89 | + |
| 90 | + @Test |
| 91 | + void conversionHook() { |
| 92 | + await().atMost(Duration.ofSeconds(SPIN_UP_GRACE_PERIOD)).untilAsserted(() -> { |
| 93 | + try { |
| 94 | + // this can be since coredns in minikube can take some time |
| 95 | + createV1Resource(TEST_CR_NAME); |
| 96 | + } catch (KubernetesClientException e) { |
| 97 | + } |
| 98 | + }); |
| 99 | + MultiVersionCustomResourceV2 v2 = |
| 100 | + client.resources(MultiVersionCustomResourceV2.class).withName(TEST_CR_NAME).get(); |
| 101 | + assertThat(v2.getSpec().getAlteredValue()).isEqualTo("" + CR_SPEC_VALUE); |
| 102 | + } |
| 103 | + |
| 104 | + private MultiVersionCustomResource createV1Resource(String name) { |
| 105 | + var res = new MultiVersionCustomResource(); |
| 106 | + res.setMetadata(new ObjectMetaBuilder() |
| 107 | + .withName(name) |
| 108 | + .build()); |
| 109 | + res.setSpec(new MultiVersionCustomResourceSpec()); |
| 110 | + res.getSpec().setValue(CR_SPEC_VALUE); |
| 111 | + return client.resource(res).createOrReplace(); |
| 112 | + } |
| 113 | + |
| 114 | + static UnaryOperator<HasMetadata> addConversionHookEndpointToCustomResource() { |
| 115 | + return r -> { |
| 116 | + if (!(r instanceof CustomResourceDefinition)) { |
| 117 | + return r; |
| 118 | + } |
| 119 | + var crd = (CustomResourceDefinition) r; |
| 120 | + var crc = new CustomResourceConversion(); |
| 121 | + crd.getMetadata() |
| 122 | + .setAnnotations(Map.of("cert-manager.io/inject-ca-from", "default/quarkus-sample")); |
| 123 | + crd.getSpec().setConversion(crc); |
| 124 | + crc.setStrategy("Webhook"); |
| 125 | + |
| 126 | + var whc = new WebhookConversionBuilder() |
| 127 | + .withConversionReviewVersions(List.of("v1")) |
| 128 | + .withClientConfig(new WebhookClientConfigBuilder() |
| 129 | + .withService(new ServiceReferenceBuilder() |
| 130 | + .withPath("/" + CONVERSION_PATH) |
| 131 | + .withName("quarkus-sample") |
| 132 | + .withNamespace("default") |
| 133 | + .withPort(443) |
| 134 | + .build()) |
| 135 | + .build()) |
| 136 | + .build(); |
| 137 | + crc.setWebhook(whc); |
| 138 | + return crd; |
| 139 | + }; |
| 140 | + } |
| 141 | + |
| 142 | +} |
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