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Example 1 with InternalLogMessage

use of org.graylog2.rest.models.system.loggers.responses.InternalLogMessage in project graylog2-server by Graylog2.

the class LoggersResource method messages.

@GET
@Timed
@ApiOperation(value = "Get recent internal log messages")
@ApiResponses(value = { @ApiResponse(code = 404, message = "Memory appender is disabled."), @ApiResponse(code = 500, message = "Memory appender is broken.") })
@Path("/messages/recent")
@Produces(MediaType.APPLICATION_JSON)
public LogMessagesSummary messages(@ApiParam(name = "limit", value = "How many log messages should be returned", defaultValue = "500", allowableValues = "range[0, infinity]") @QueryParam("limit") @DefaultValue("500") @Min(0L) int limit, @ApiParam(name = "level", value = "Which log level (or higher) should the messages have", defaultValue = "ALL", allowableValues = "[OFF, FATAL, ERROR, WARN, INFO, DEBUG, TRACE, ALL]") @QueryParam("level") @DefaultValue("ALL") @NotEmpty String level) {
    final Appender appender = getAppender(MEMORY_APPENDER_NAME);
    if (appender == null) {
        throw new NotFoundException("Memory appender is disabled. Please refer to the example log4j.xml file.");
    }
    if (!(appender instanceof MemoryAppender)) {
        throw new InternalServerErrorException("Memory appender is not an instance of MemoryAppender. Please refer to the example log4j.xml file.");
    }
    final Level logLevel = Level.toLevel(level, Level.ALL);
    final MemoryAppender memoryAppender = (MemoryAppender) appender;
    final List<InternalLogMessage> messages = new ArrayList<>(limit);
    for (LogEvent event : memoryAppender.getLogMessages(limit)) {
        final Level eventLevel = event.getLevel();
        if (!eventLevel.isMoreSpecificThan(logLevel)) {
            continue;
        }
        final ThrowableProxy thrownProxy = event.getThrownProxy();
        final String throwable;
        if (thrownProxy == null) {
            throwable = null;
        } else {
            throwable = thrownProxy.getExtendedStackTraceAsString();
        }
        final Marker marker = event.getMarker();
        messages.add(InternalLogMessage.create(event.getMessage().getFormattedMessage(), event.getLoggerName(), eventLevel.toString(), marker == null ? null : marker.toString(), new DateTime(event.getTimeMillis(), DateTimeZone.UTC), throwable, event.getThreadName(), event.getContextData().toMap()));
    }
    return LogMessagesSummary.create(messages);
}
Also used : Appender(org.apache.logging.log4j.core.Appender) MemoryAppender(org.graylog2.log4j.MemoryAppender) MemoryAppender(org.graylog2.log4j.MemoryAppender) LogEvent(org.apache.logging.log4j.core.LogEvent) ArrayList(java.util.ArrayList) NotFoundException(javax.ws.rs.NotFoundException) Marker(org.apache.logging.log4j.Marker) ThrowableProxy(org.apache.logging.log4j.core.impl.ThrowableProxy) DateTime(org.joda.time.DateTime) InternalLogMessage(org.graylog2.rest.models.system.loggers.responses.InternalLogMessage) InternalServerErrorException(javax.ws.rs.InternalServerErrorException) Level(org.apache.logging.log4j.Level) Path(javax.ws.rs.Path) Produces(javax.ws.rs.Produces) Timed(com.codahale.metrics.annotation.Timed) GET(javax.ws.rs.GET) ApiOperation(io.swagger.annotations.ApiOperation) ApiResponses(io.swagger.annotations.ApiResponses)

Aggregations

Timed (com.codahale.metrics.annotation.Timed)1 ApiOperation (io.swagger.annotations.ApiOperation)1 ApiResponses (io.swagger.annotations.ApiResponses)1 ArrayList (java.util.ArrayList)1 GET (javax.ws.rs.GET)1 InternalServerErrorException (javax.ws.rs.InternalServerErrorException)1 NotFoundException (javax.ws.rs.NotFoundException)1 Path (javax.ws.rs.Path)1 Produces (javax.ws.rs.Produces)1 Level (org.apache.logging.log4j.Level)1 Marker (org.apache.logging.log4j.Marker)1 Appender (org.apache.logging.log4j.core.Appender)1 LogEvent (org.apache.logging.log4j.core.LogEvent)1 ThrowableProxy (org.apache.logging.log4j.core.impl.ThrowableProxy)1 MemoryAppender (org.graylog2.log4j.MemoryAppender)1 InternalLogMessage (org.graylog2.rest.models.system.loggers.responses.InternalLogMessage)1 DateTime (org.joda.time.DateTime)1