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OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl.java
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OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl.java
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/**
* 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.
*/
package io.fabric8.openshift.client.internal;
import com.mifmif.common.regex.Generex;
import io.fabric8.kubernetes.api.model.HasMetadata;
import io.fabric8.kubernetes.api.model.KubernetesList;
import io.fabric8.kubernetes.api.model.KubernetesListBuilder;
import io.fabric8.kubernetes.client.Client;
import io.fabric8.kubernetes.client.KubernetesClientException;
import io.fabric8.kubernetes.client.dsl.internal.NamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl;
import io.fabric8.kubernetes.client.dsl.internal.OperationContext;
import io.fabric8.kubernetes.client.utils.Utils;
import io.fabric8.openshift.api.model.Parameter;
import io.fabric8.openshift.api.model.Template;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl
extends NamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl {
public OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl(Client client, Object item) {
super(client, item);
}
public OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl(OperationContext context) {
super(context);
}
@Override
protected List<HasMetadata> asHasMetadata(Object item) {
if (item instanceof Template) {
return processTemplateList((Template) item, true);
}
return super.asHasMetadata(item);
}
private static List<HasMetadata> processTemplate(Template template, Boolean failOnMissing) {
List<Parameter> parameters = template != null ? template.getParameters() : null;
List<HasMetadata> objects = template != null ? template.getObjects() : Collections.emptyList();
KubernetesList list = new KubernetesListBuilder()
.withItems(objects)
.build();
try {
String json = OBJECT_MAPPER.writeValueAsString(list);
if (parameters != null && !parameters.isEmpty()) {
// lets make a few passes in case there's expressions in values
for (int i = 0; i < 5; i++) {
for (Parameter parameter : parameters) {
String name = parameter.getName();
String regex = "${" + name + "}";
String value;
if (Utils.isNotNullOrEmpty(parameter.getValue())) {
value = parameter.getValue();
} else if (EXPRESSION.equals(parameter.getGenerate())) {
Generex generex = new Generex(parameter.getFrom());
value = generex.random();
} else if (Boolean.TRUE.equals(failOnMissing)) {
throw new IllegalArgumentException("No value available for parameter name: " + name);
} else {
value = "";
}
json = json.replace(regex, value);
}
}
}
list = OBJECT_MAPPER.readValue(json, KubernetesList.class);
} catch (IOException e) {
throw KubernetesClientException.launderThrowable(e);
}
return list.getItems();
}
private static List<HasMetadata> processTemplateList(Template item, Boolean enableProccessing) {
List<HasMetadata> result = new ArrayList<>();
if (Boolean.FALSE.equals(enableProccessing)) {
result.addAll(item.getObjects());
} else {
result.addAll(processTemplate(item, false));
}
return result;
}
@Override
public NamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl newInstance(OperationContext context) {
return new OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl(context);
}
}