Merge pull request #286 from DataDog/ark/intempt_fix

Clean up version logging and name start timestamp unit correctly
This commit is contained in:
Andrew Kent 2018-04-11 09:19:49 -07:00 committed by GitHub
commit 3f26662b8f
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3 changed files with 52 additions and 11 deletions

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@ -1,8 +1,6 @@
package datadog.trace.agent.tooling;
import datadog.opentracing.DDTraceOTInfo;
import datadog.opentracing.DDTracer;
import datadog.trace.api.DDTraceApiInfo;
import io.opentracing.Tracer;
import io.opentracing.util.GlobalTracer;
import lombok.extern.slf4j.Slf4j;
@ -24,11 +22,7 @@ public class TracerInstaller {
}
public static void logVersionInfo() {
// version classes log important info
// in static initializers
final String s = DDTraceOTInfo.VERSION.toString();
final String s1 = DDTraceApiInfo.VERSION.toString();
final String s2 = DDJavaAgentInfo.VERSION.toString();
VersionLogger.logAllVersions();
log.debug(GlobalTracer.class.getName() + " loaded on " + GlobalTracer.class.getClassLoader());
log.debug(
AgentInstaller.class.getName() + " loaded on " + AgentInstaller.class.getClassLoader());

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@ -0,0 +1,47 @@
package datadog.trace.agent.tooling;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import lombok.extern.slf4j.Slf4j;
@Slf4j
public class VersionLogger {
/** Log version strings for dd-trace-ot, dd-trace-pai, and dd-java-agent */
public static void logAllVersions() {
log.info(
"dd-trace-ot - version: {}",
getVersionString(Utils.getAgentClassLoader().getResourceAsStream("dd-trace-ot.version")));
log.info(
"dd-trace-api - version: {}",
getVersionString(Utils.getAgentClassLoader().getResourceAsStream("dd-trace-api.version")));
log.info(
"dd-java-agent - version: {}",
getVersionString(
ClassLoader.getSystemClassLoader().getResourceAsStream("dd-java-agent.version")));
}
private static String getVersionString(InputStream stream) {
String v;
try {
final StringBuilder sb = new StringBuilder();
final BufferedReader br = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
for (int c = br.read(); c != -1; c = br.read()) sb.append((char) c);
v = sb.toString().trim();
} catch (final Exception e) {
log.error("failed to read version stream", e);
v = "unknown";
} finally {
try {
if (null != stream) {
stream.close();
}
} catch (IOException e) {
}
}
return v;
}
}

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@ -330,7 +330,7 @@ public class DDTracer implements io.opentracing.Tracer {
// Builder attributes
private Map<String, Object> tags =
spanTags.isEmpty() ? Collections.<String, Object>emptyMap() : Maps.newHashMap(spanTags);
private long timestamp;
private long timestampMicro;
private SpanContext parent;
private String serviceName;
private String resourceName;
@ -350,7 +350,7 @@ public class DDTracer implements io.opentracing.Tracer {
}
private DDSpan startSpan() {
final DDSpan span = new DDSpan(this.timestamp, buildSpanContext());
final DDSpan span = new DDSpan(this.timestampMicro, buildSpanContext());
if (DDTracer.this.sampler instanceof RateByServiceSampler) {
((RateByServiceSampler) DDTracer.this.sampler).initializeSamplingPriority(span);
}
@ -402,8 +402,8 @@ public class DDTracer implements io.opentracing.Tracer {
}
@Override
public DDSpanBuilder withStartTimestamp(final long timestampMillis) {
this.timestamp = timestampMillis;
public DDSpanBuilder withStartTimestamp(final long timestampMicroseconds) {
this.timestampMicro = timestampMicroseconds;
return this;
}