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Changes server-side tracing from Cassandra 3.x to 4.x
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This is tested on Cassandra 4.1.3 and is not compatible with Cassandra
3.x due to API changes on the Tracer type.

Signed-off-by: Adrian Cole <adrian@tetrate.io>
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Adrian Cole committed Jan 8, 2024
1 parent b71cb97 commit c6e227d
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Showing 3 changed files with 20 additions and 13 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@

public class CassandraContainer extends GenericContainer<CassandraContainer> {
public CassandraContainer() {
super(parse("ghcr.io/openzipkin/zipkin-cassandra:2.23.7"));
super(parse("ghcr.io/openzipkin/zipkin-cassandra:2.27.0"));
waitStrategy = Wait.forHealthcheck();
addExposedPort(9042);
withStartupTimeout(Duration.ofMinutes(2));
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27 changes: 17 additions & 10 deletions cassandra/src/main/java/brave/cassandra/Tracing.java
Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,12 @@
import java.net.InetAddress;
import java.nio.ByteBuffer;
import java.util.Map;
import java.util.UUID;
import org.apache.cassandra.net.MessageIn;
import org.apache.cassandra.locator.InetAddressAndPort;
import org.apache.cassandra.net.Message;
import org.apache.cassandra.tracing.TraceState;
import org.apache.cassandra.tracing.TraceStateImpl;
import org.apache.cassandra.utils.FBUtilities;
import org.apache.cassandra.utils.TimeUUID;
import zipkin2.reporter.Call;
import zipkin2.reporter.CheckResult;
import zipkin2.reporter.brave.AsyncZipkinSpanHandler;
Expand All @@ -49,7 +50,7 @@
* <p>Alternatively, you can subclass this and fix configuration to your favorite mechanism.
*/
public class Tracing extends org.apache.cassandra.tracing.Tracing {
final InetAddress coordinator = FBUtilities.getLocalAddress();
final InetAddressAndPort coordinator = FBUtilities.getLocalAddressAndPort();
final TracingComponent component;

public Tracing(brave.Tracing tracing) { // subclassable to pin configuration
Expand Down Expand Up @@ -77,6 +78,8 @@ public Tracing() {

brave.Tracing tracing = brave.Tracing.newBuilder()
.localServiceName(System.getProperty("zipkin.service_name", "cassandra"))
.localIp(coordinator.getAddress().getHostAddress())
.localPort(coordinator.getPort())
.addSpanHandler(zipkinSpanHandler)
.build();
component = new TracingComponent.Explicit(tracing);
Expand All @@ -99,8 +102,11 @@ static void maybeFailFast(Throwable error) {
* payload. If that's possible, it re-uses the trace identifiers and starts a server span.
* Otherwise, a new trace is created.
*/
@Override protected UUID newSession(UUID sessionId, TraceType traceType,
Map<String, ByteBuffer> customPayload) {
@Override protected TimeUUID newSession(
TimeUUID sessionId,
TraceType traceType,
Map<String, ByteBuffer> customPayload
) {
// override instead of call from super as otherwise we cannot store a reference to the span
assert get() == null;

Expand All @@ -119,9 +125,10 @@ static void maybeFailFast(Throwable error) {
}

@Override
protected TraceState newTraceState(InetAddress inetAddress, UUID timeUUID, TraceType traceType) {
protected TraceState newTraceState(InetAddressAndPort coordinator, TimeUUID sessionId,
TraceType traceType) {
assert false : "we don't expect this to be ever reached as we override newSession";
return new TraceStateImpl(coordinator, timeUUID, traceType);
return new TraceStateImpl(coordinator, sessionId, traceType);
}

/** This extracts the RPC span encoded in the custom payload, or starts a new trace */
Expand Down Expand Up @@ -181,7 +188,7 @@ protected void parseRequest(
customizer.tag(CassandraTraceKeys.CASSANDRA_SESSION_ID, state.sessionId.toString());
}

@Override public TraceState initializeFromMessage(MessageIn<?> message) {
@Override public TraceState initializeFromMessage(Message.Header header) {
// not current tracing inter-node messages
return null;
}
Expand All @@ -193,8 +200,8 @@ protected void parseRequest(
static final class ZipkinTraceState extends TraceState {
final Span incoming;

ZipkinTraceState(InetAddress coordinator, UUID sessionId,
org.apache.cassandra.tracing.Tracing.TraceType traceType, Span incoming) {
ZipkinTraceState(InetAddressAndPort coordinator, TimeUUID sessionId,
TraceType traceType, Span incoming) {
super(coordinator, sessionId, traceType);
this.incoming = incoming;
}
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4 changes: 2 additions & 2 deletions pom.xml
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Expand Up @@ -141,8 +141,8 @@
<dependency>
<groupId>org.apache.cassandra</groupId>
<artifactId>cassandra-all</artifactId>
<!-- Matches last zipkin test image (v2.23.7) -->
<version>3.11.9</version>
<!-- Matches last zipkin test image (v2.27.0) -->
<version>4.1.3</version>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
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