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[FLINK-27609][Fix] Optimize REST call frequency
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43 changes: 43 additions & 0 deletions
43
.../main/java/org/apache/flink/kubernetes/operator/service/CustomDashboardConfiguration.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one | ||
* or more contributor license agreements. See the NOTICE file | ||
* distributed with this work for additional information | ||
* regarding copyright ownership. The ASF licenses this file | ||
* to you 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. | ||
*/ | ||
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package org.apache.flink.kubernetes.operator.service; | ||
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import org.apache.flink.runtime.rest.messages.ResponseBody; | ||
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import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonIgnoreProperties; | ||
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonProperty; | ||
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import lombok.Data; | ||
import lombok.NoArgsConstructor; | ||
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/** Custom Response for handling dashboard configs. */ | ||
@JsonIgnoreProperties(ignoreUnknown = true) | ||
@Data | ||
@NoArgsConstructor | ||
public class CustomDashboardConfiguration implements ResponseBody { | ||
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public static final String FIELD_NAME_FLINK_VERSION = "flink-version"; | ||
public static final String FIELD_NAME_FLINK_REVISION = "flink-revision"; | ||
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@JsonProperty(FIELD_NAME_FLINK_VERSION) | ||
private String flinkVersion; | ||
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@JsonProperty(FIELD_NAME_FLINK_REVISION) | ||
private String flinkRevision; | ||
} |
77 changes: 77 additions & 0 deletions
77
...ava/org/apache/flink/kubernetes/operator/service/CustomDashboardConfigurationHeaders.java
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package org.apache.flink.kubernetes.operator.service; | ||
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one | ||
* or more contributor license agreements. See the NOTICE file | ||
* distributed with this work for additional information | ||
* regarding copyright ownership. The ASF licenses this file | ||
* to you 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. | ||
*/ | ||
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import org.apache.flink.runtime.rest.HttpMethodWrapper; | ||
import org.apache.flink.runtime.rest.messages.EmptyMessageParameters; | ||
import org.apache.flink.runtime.rest.messages.EmptyRequestBody; | ||
import org.apache.flink.runtime.rest.messages.MessageHeaders; | ||
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import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus; | ||
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/** Message headers for the {@link CustomDashboardConfiguration}. */ | ||
public final class CustomDashboardConfigurationHeaders | ||
implements MessageHeaders< | ||
EmptyRequestBody, CustomDashboardConfiguration, EmptyMessageParameters> { | ||
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public static final CustomDashboardConfigurationHeaders INSTANCE = | ||
new CustomDashboardConfigurationHeaders(); | ||
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// make the constructor private since we want it to be a singleton | ||
private CustomDashboardConfigurationHeaders() {} | ||
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@Override | ||
public Class<EmptyRequestBody> getRequestClass() { | ||
return EmptyRequestBody.class; | ||
} | ||
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@Override | ||
public HttpMethodWrapper getHttpMethod() { | ||
return HttpMethodWrapper.GET; | ||
} | ||
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@Override | ||
public String getTargetRestEndpointURL() { | ||
return "/config"; | ||
} | ||
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@Override | ||
public Class<CustomDashboardConfiguration> getResponseClass() { | ||
return CustomDashboardConfiguration.class; | ||
} | ||
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@Override | ||
public HttpResponseStatus getResponseStatusCode() { | ||
return HttpResponseStatus.OK; | ||
} | ||
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@Override | ||
public EmptyMessageParameters getUnresolvedMessageParameters() { | ||
return EmptyMessageParameters.getInstance(); | ||
} | ||
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public static CustomDashboardConfigurationHeaders getInstance() { | ||
return INSTANCE; | ||
} | ||
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@Override | ||
public String getDescription() { | ||
return "Returns the configuration of the WebUI."; | ||
} | ||
} |
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