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feat: implement revised version of the monitored resource type discovery and metadata population (#708)
* chore: remove compiler warnings * chore: finalize changes to resource type discovery - add caching mechanism for results. - implement updated heuristics for resource type and labels population. * chore: add unit testing for MonitoredResourceUtil - refactor MonitoredResourceUtil code to allow mocking getenv() and getAttribute(). - unit test each resource type with extra test for GAE FE and custom params.
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Lines changed: 585 additions & 135 deletions

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‎google-cloud-logging/src/main/java/com/google/cloud/logging/HttpRequest.java‎

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@@ -69,7 +69,7 @@ public RequestMethod apply(String constant) {
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};
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private static final StringEnumType<RequestMethod> type =
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new StringEnumType(RequestMethod.class, CONSTRUCTOR);
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new StringEnumType<RequestMethod>(RequestMethod.class, CONSTRUCTOR);
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public static final RequestMethod GET = type.createAndRegister("GET");
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public static final RequestMethod HEAD = type.createAndRegister("HEAD");

‎google-cloud-logging/src/main/java/com/google/cloud/logging/LogEntry.java‎

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@@ -277,7 +277,7 @@ public Builder setSourceLocation(SourceLocation sourceLocation) {
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*
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* @see <a href="https://cloud.google.com/logging/docs/view/logs_index">Log Entries and Logs</a>
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*/
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public Builder setPayload(Payload payload) {
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public Builder setPayload(Payload<?> payload) {
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this.payload = payload;
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return this;
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}
@@ -434,7 +434,7 @@ public SourceLocation getSourceLocation() {
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* @see <a href="https://cloud.google.com/logging/docs/view/logs_index">Log Entries and Logs</a>
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*/
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@SuppressWarnings("unchecked")
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public <T extends Payload> T getPayload() {
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public <T extends Payload<?>> T getPayload() {
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return (T) payload;
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}
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‎google-cloud-logging/src/main/java/com/google/cloud/logging/LoggingHandler.java‎

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@@ -22,6 +22,7 @@
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import com.google.cloud.logging.Logging.WriteOption;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableMap;
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import java.time.Instant;
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import java.util.Collections;
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import java.util.LinkedList;
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import java.util.List;
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* Cloud Logging severities:
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*
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* <table summary="Mapping of Java logging level to Cloud Logging severities">
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* <tr><th width="50%">Java Level</th><th>Cloud Logging Severity</th></tr>
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* <tr><td>SEVERE</td><td>ERROR</td></tr>
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* <tr><td>WARNING</td><td>WARNING</td></tr>
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* <tr><td>INFO</td><td>INFO</td></tr>
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* <tr><td>CONFIG</td><td>INFO</td></tr>
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* <tr><td>FINE</td><td>DEBUG</td></tr>
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* <tr><td>FINER</td><td>DEBUG</td></tr>
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* <tr><td>FINEST</td><td>DEBUG</td></tr>
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* <tr>
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* <th width="50%">Java Level</th>
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* <th>Cloud Logging Severity</th>
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* </tr>
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* <tr>
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* <td>SEVERE</td>
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* <td>ERROR</td>
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* </tr>
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* <tr>
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* <td>WARNING</td>
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* <td>WARNING</td>
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* </tr>
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* <tr>
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* <td>INFO</td>
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* <td>INFO</td>
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* </tr>
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* <tr>
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* <td>CONFIG</td>
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* <td>INFO</td>
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* </tr>
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* <tr>
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* <td>FINE</td>
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* <td>DEBUG</td>
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* </tr>
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* <tr>
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* <td>FINER</td>
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* <td>DEBUG</td>
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* </tr>
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* <tr>
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* <td>FINEST</td>
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* <td>DEBUG</td>
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* </tr>
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* </table>
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*
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* <p>Original Java logging levels are added as labels (with {@code levelName} and {@code
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*/
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public class LoggingHandler extends Handler {
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private static final String HANDLERS_PROPERTY = "handlers";
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private static final String ROOT_LOGGER_NAME = "";
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private static final String[] NO_HANDLERS = new String[0];
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private static final String LEVEL_NAME_KEY = "levelName";
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private static final String LEVEL_VALUE_KEY = "levelValue";
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private volatile Logging logging;
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// Logs with the same severity with the base could be more efficiently sent to Cloud.
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// Defaults to level of the handler or Level.FINEST if the handler is set to Level.ALL.
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// Logs with the same severity with the base could be more efficiently sent to
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// Cloud.
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// Defaults to level of the handler or Level.FINEST if the handler is set to
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// Level.ALL.
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// Currently there is no way to modify the base level, see
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// https://github.com/googleapis/google-cloud-java/issues/1740 .
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private final Level baseLevel;
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this.enhancers.addAll(enhancersParam);
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// In the following line getResourceEnhancers() never returns null (@NotNull attribute)
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// In the following line getResourceEnhancers() never returns null (@NotNull
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// attribute)
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List<LoggingEnhancer> loggingEnhancers = MonitoredResourceUtil.getResourceEnhancers();
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this.enhancers.addAll(loggingEnhancers);
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} catch (Exception ex) {
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if (!isLoggable(record)) {
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return;
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}
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// HACK warning: this logger doesn't work like normal loggers; the log calls are issued
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// from another class instead of by itself, so it can't be configured off like normal
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// HACK warning: this logger doesn't work like normal loggers; the log calls are
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// issued
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// from another class instead of by itself, so it can't be configured off like
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// normal
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// loggers. We have to check the source class name instead.
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if ("io.netty.handler.codec.http2.Http2FrameLogger".equals(record.getSourceClassName())) {
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return;
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Level level = record.getLevel();
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LogEntry.Builder builder =
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LogEntry.newBuilder(Payload.StringPayload.of(payload))
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.setTimestamp(record.getMillis())
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.setTimestamp(Instant.ofEpochMilli(record.getMillis()))
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.setSeverity(severityFor(level));
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if (!baseLevel.equals(level)) {

‎google-cloud-logging/src/main/java/com/google/cloud/logging/LoggingOptions.java‎

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@@ -98,6 +98,7 @@ protected LoggingOptions(Builder builder) {
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super(LoggingFactory.class, LoggingRpcFactory.class, builder, new LoggingDefaults());
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}
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@SuppressWarnings("serial")
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private static class LoggingDefaults implements ServiceDefaults<Logging, LoggingOptions> {
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@Override

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