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Merge pull request quarkusio#37123 from iocanel/generate-servicemonitor
Generate prometheus ServiceMonitor CR
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46 changes: 46 additions & 0 deletions
46
...nt/src/main/java/io/quarkus/kubernetes/deployment/AddServiceMonitorResourceDecorator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| package io.quarkus.kubernetes.deployment; | ||
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| import io.dekorate.kubernetes.decorator.ResourceProvidingDecorator; | ||
| import io.dekorate.prometheus.model.ServiceMonitorBuilder; | ||
| import io.fabric8.kubernetes.api.model.KubernetesListBuilder; | ||
| import io.fabric8.kubernetes.api.model.ObjectMeta; | ||
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| public class AddServiceMonitorResourceDecorator extends ResourceProvidingDecorator<KubernetesListBuilder> { | ||
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| private final String scheme; | ||
| private final String targetPort; | ||
| private final String path; | ||
| private final int interval; | ||
| private final boolean honorLabels; | ||
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| public AddServiceMonitorResourceDecorator(String scheme, String targetPort, String path, int interval, | ||
| boolean honorLabels) { | ||
| this.scheme = scheme; | ||
| this.targetPort = targetPort; | ||
| this.path = path; | ||
| this.interval = interval; | ||
| this.honorLabels = honorLabels; | ||
| } | ||
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| @Override | ||
| public void visit(KubernetesListBuilder list) { | ||
| ObjectMeta meta = getMandatoryDeploymentMetadata(list, ANY); | ||
| list.addToItems(new ServiceMonitorBuilder() | ||
| .withNewMetadata() | ||
| .withName(meta.getName()) | ||
| .withLabels(meta.getLabels()) | ||
| .endMetadata() | ||
| .withNewSpec() | ||
| .withNewSelector() | ||
| .addToMatchLabels(meta.getLabels()) | ||
| .endSelector() | ||
| .addNewEndpoint() | ||
| .withScheme(scheme) | ||
| .withNewTargetPort(targetPort) | ||
| .withPath(path) | ||
| .withInterval(interval + "s") | ||
| .withHonorLabels(honorLabels) | ||
| .endEndpoint() | ||
| .endSpec()); | ||
| } | ||
| } |
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87 changes: 87 additions & 0 deletions
87
...ard-way/src/test/java/io/quarkus/it/kubernetes/KubernetesWithMetricsNoServiceMonitor.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,87 @@ | ||
| package io.quarkus.it.kubernetes; | ||
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| import static io.restassured.RestAssured.given; | ||
| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.assertj.core.api.Assertions.entry; | ||
| import static org.hamcrest.Matchers.is; | ||
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| import java.io.IOException; | ||
| import java.nio.file.Path; | ||
| import java.util.List; | ||
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| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.extension.RegisterExtension; | ||
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| import io.fabric8.kubernetes.api.model.HasMetadata; | ||
| import io.fabric8.kubernetes.api.model.apps.Deployment; | ||
| import io.quarkus.builder.Version; | ||
| import io.quarkus.maven.dependency.Dependency; | ||
| import io.quarkus.test.LogFile; | ||
| import io.quarkus.test.ProdBuildResults; | ||
| import io.quarkus.test.ProdModeTestResults; | ||
| import io.quarkus.test.QuarkusProdModeTest; | ||
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| public class KubernetesWithMetricsNoServiceMonitor { | ||
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| @RegisterExtension | ||
| static final QuarkusProdModeTest config = new QuarkusProdModeTest() | ||
| .withApplicationRoot((jar) -> jar.addClasses(GreetingResource.class)) | ||
| .setApplicationName("metrics") | ||
| .setApplicationVersion("0.1-SNAPSHOT") | ||
| .setRun(true) | ||
| .setLogFileName("k8s.log") | ||
| .overrideConfigKey("quarkus.http.port", "9090") | ||
| .overrideConfigKey("quarkus.smallrye-metrics.path", "/met") | ||
| .overrideConfigKey("quarkus.kubernetes.prometheus.generate-service-monitor", "false") | ||
| .overrideConfigKey("quarkus.kubernetes.prometheus.prefix", "example.io") | ||
| .setForcedDependencies(List.of( | ||
| Dependency.of("io.quarkus", "quarkus-micrometer-registry-prometheus", Version.getVersion()))); | ||
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| @ProdBuildResults | ||
| private ProdModeTestResults prodModeTestResults; | ||
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| @LogFile | ||
| private Path logfile; | ||
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| @Test | ||
| public void assertApplicationRuns() { | ||
| assertThat(logfile).isRegularFile().hasFileName("k8s.log"); | ||
| TestUtil.assertLogFileContents(logfile, "kubernetes", "metrics"); | ||
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| given() | ||
| .when().get("/greeting") | ||
| .then() | ||
| .statusCode(200) | ||
| .body(is("hello")); | ||
| } | ||
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| @Test | ||
| public void assertGeneratedResources() throws IOException { | ||
| final Path kubernetesDir = prodModeTestResults.getBuildDir().resolve("kubernetes"); | ||
| assertThat(kubernetesDir) | ||
| .isDirectoryContaining(p -> p.getFileName().endsWith("kubernetes.json")) | ||
| .isDirectoryContaining(p -> p.getFileName().endsWith("kubernetes.yml")); | ||
| List<HasMetadata> kubernetesList = DeserializationUtil | ||
| .deserializeAsList(kubernetesDir.resolve("kubernetes.yml")); | ||
| assertThat(kubernetesList.get(0)).isInstanceOfSatisfying(Deployment.class, d -> { | ||
| assertThat(d.getMetadata()).satisfies(m -> { | ||
| assertThat(m.getName()).isEqualTo("metrics"); | ||
| }); | ||
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| assertThat(d.getSpec()).satisfies(deploymentSpec -> { | ||
| assertThat(deploymentSpec.getTemplate()).satisfies(t -> { | ||
| assertThat(t.getMetadata()).satisfies(meta -> { | ||
| // Annotations should not have been created in this configuration. | ||
| assertThat(meta.getAnnotations()).contains( | ||
| entry("prometheus.io/scrape", "true"), | ||
| entry("prometheus.io/path", "/met"), | ||
| entry("prometheus.io/port", "9090"), | ||
| entry("prometheus.io/scheme", "http")); | ||
| }); | ||
| }); | ||
| }); | ||
| }); | ||
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| assertThat(kubernetesList).filteredOn(i -> i.getKind().equals("ServiceMonitor")).isEmpty(); | ||
| } | ||
| } |
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