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feat: create resource only if not exists (#2001)
Signed-off-by: csviri <[email protected]> Signed-off-by: Attila Mészáros <[email protected]>
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57 changes: 57 additions & 0 deletions
57
...rk/src/test/java/io/javaoperatorsdk/operator/CreateOnlyIfNotExistingDependentWithSSA.java
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package io.javaoperatorsdk.operator; | ||
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import java.time.Duration; | ||
import java.util.Map; | ||
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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.ConfigMap; | ||
import io.fabric8.kubernetes.api.model.ConfigMapBuilder; | ||
import io.fabric8.kubernetes.api.model.ObjectMetaBuilder; | ||
import io.javaoperatorsdk.operator.junit.LocallyRunOperatorExtension; | ||
import io.javaoperatorsdk.operator.sample.createonlyifnotexistsdependentwithssa.CreateOnlyIfNotExistingDependentWithSSACustomResource; | ||
import io.javaoperatorsdk.operator.sample.createonlyifnotexistsdependentwithssa.CreateOnlyIfNotExistingDependentWithSSAReconciler; | ||
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import static org.assertj.core.api.Assertions.assertThat; | ||
import static org.awaitility.Awaitility.await; | ||
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class CreateOnlyIfNotExistingDependentWithSSA { | ||
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public static final String TEST_RESOURCE_NAME = "test1"; | ||
public static final String KEY = "key"; | ||
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@RegisterExtension | ||
LocallyRunOperatorExtension extension = | ||
LocallyRunOperatorExtension.builder() | ||
.withReconciler(new CreateOnlyIfNotExistingDependentWithSSAReconciler()) | ||
.build(); | ||
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@Test | ||
void createsResourceOnlyIfNotExisting() { | ||
var cm = new ConfigMapBuilder().withMetadata(new ObjectMetaBuilder() | ||
.withName(TEST_RESOURCE_NAME) | ||
.build()) | ||
.withData(Map.of(KEY, "val")) | ||
.build(); | ||
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extension.create(cm); | ||
extension.create(testResource()); | ||
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await().pollDelay(Duration.ofMillis(200)).untilAsserted(() -> { | ||
var currentCM = extension.get(ConfigMap.class, TEST_RESOURCE_NAME); | ||
assertThat(currentCM.getData()).containsKey(KEY); | ||
}); | ||
} | ||
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CreateOnlyIfNotExistingDependentWithSSACustomResource testResource() { | ||
var res = new CreateOnlyIfNotExistingDependentWithSSACustomResource(); | ||
res.setMetadata(new ObjectMetaBuilder() | ||
.withName(TEST_RESOURCE_NAME) | ||
.build()); | ||
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return res; | ||
} | ||
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} |
30 changes: 30 additions & 0 deletions
30
...sdk/operator/sample/createonlyifnotexistsdependentwithssa/ConfigMapDependentResource.java
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package io.javaoperatorsdk.operator.sample.createonlyifnotexistsdependentwithssa; | ||
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import java.util.Map; | ||
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import io.fabric8.kubernetes.api.model.ConfigMap; | ||
import io.fabric8.kubernetes.api.model.ObjectMetaBuilder; | ||
import io.javaoperatorsdk.operator.api.reconciler.Context; | ||
import io.javaoperatorsdk.operator.processing.dependent.kubernetes.CRUDKubernetesDependentResource; | ||
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public class ConfigMapDependentResource extends | ||
CRUDKubernetesDependentResource<ConfigMap, CreateOnlyIfNotExistingDependentWithSSACustomResource> { | ||
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public ConfigMapDependentResource() { | ||
super(ConfigMap.class); | ||
} | ||
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@Override | ||
protected ConfigMap desired(CreateOnlyIfNotExistingDependentWithSSACustomResource primary, | ||
Context<CreateOnlyIfNotExistingDependentWithSSACustomResource> context) { | ||
ConfigMap configMap = new ConfigMap(); | ||
configMap.setMetadata(new ObjectMetaBuilder() | ||
.withName(primary.getMetadata().getName()) | ||
.withNamespace(primary.getMetadata().getNamespace()) | ||
.build()); | ||
configMap.setData(Map.of("drkey", "v")); | ||
return configMap; | ||
} | ||
} | ||
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13 changes: 13 additions & 0 deletions
13
...nlyifnotexistsdependentwithssa/CreateOnlyIfNotExistingDependentWithSSACustomResource.java
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package io.javaoperatorsdk.operator.sample.createonlyifnotexistsdependentwithssa; | ||
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import io.fabric8.kubernetes.api.model.Namespaced; | ||
import io.fabric8.kubernetes.client.CustomResource; | ||
import io.fabric8.kubernetes.model.annotation.Group; | ||
import io.fabric8.kubernetes.model.annotation.Version; | ||
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@Group("sample.javaoperatorsdk") | ||
@Version("v1") | ||
public class CreateOnlyIfNotExistingDependentWithSSACustomResource | ||
extends CustomResource<Void, Void> | ||
implements Namespaced { | ||
} |
32 changes: 32 additions & 0 deletions
32
...ateonlyifnotexistsdependentwithssa/CreateOnlyIfNotExistingDependentWithSSAReconciler.java
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package io.javaoperatorsdk.operator.sample.createonlyifnotexistsdependentwithssa; | ||
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import java.util.concurrent.atomic.AtomicInteger; | ||
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import io.javaoperatorsdk.operator.api.reconciler.Context; | ||
import io.javaoperatorsdk.operator.api.reconciler.ControllerConfiguration; | ||
import io.javaoperatorsdk.operator.api.reconciler.Reconciler; | ||
import io.javaoperatorsdk.operator.api.reconciler.UpdateControl; | ||
import io.javaoperatorsdk.operator.api.reconciler.dependent.Dependent; | ||
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@ControllerConfiguration(dependents = { | ||
@Dependent(type = ConfigMapDependentResource.class)}) | ||
public class CreateOnlyIfNotExistingDependentWithSSAReconciler | ||
implements Reconciler<CreateOnlyIfNotExistingDependentWithSSACustomResource> { | ||
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private final AtomicInteger numberOfExecutions = new AtomicInteger(0); | ||
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@Override | ||
public UpdateControl<CreateOnlyIfNotExistingDependentWithSSACustomResource> reconcile( | ||
CreateOnlyIfNotExistingDependentWithSSACustomResource resource, | ||
Context<CreateOnlyIfNotExistingDependentWithSSACustomResource> context) { | ||
numberOfExecutions.addAndGet(1); | ||
return UpdateControl.noUpdate(); | ||
} | ||
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public int getNumberOfExecutions() { | ||
return numberOfExecutions.get(); | ||
} | ||
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} |