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-rw-r--r--core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/Formatter.java7
-rw-r--r--core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/InsertId.java82
-rw-r--r--core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/LogEntry.java12
-rw-r--r--core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterTest.java4
4 files changed, 102 insertions, 3 deletions
diff --git a/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/Formatter.java b/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/Formatter.java
index 4aa8f9f..0b2003d 100644
--- a/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/Formatter.java
+++ b/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/Formatter.java
@@ -123,6 +123,8 @@ public class Formatter extends ExtFormatter {
}
}
+ String insertId = null;
+
if (logRecord.getParameters() != null) {
for (var parameter : logRecord.getParameters()) {
if (parameter instanceof StructuredParameter) {
@@ -130,6 +132,8 @@ public class Formatter extends ExtFormatter {
} else if (parameter instanceof Label) {
var label = (Label) parameter;
labels.put(label.key(), label.value());
+ } else if (parameter instanceof InsertId) {
+ insertId = ((InsertId) parameter).value();
}
}
}
@@ -151,7 +155,8 @@ public class Formatter extends ExtFormatter {
parameters,
mdc,
ndc,
- logRecord.getLevel().intValue() >= 1000 ? ERROR_EVENT_TYPE : null);
+ logRecord.getLevel().intValue() >= 1000 ? ERROR_EVENT_TYPE : null,
+ insertId);
var b = stringBuilder.get();
b.delete(0, b.length());
diff --git a/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/InsertId.java b/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/InsertId.java
new file mode 100644
index 0000000..9c2bb23
--- /dev/null
+++ b/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/InsertId.java
@@ -0,0 +1,82 @@
+// SPDX-FileCopyrightText: © 2021 Matthias Andreas Benkard <code@mail.matthias.benkard.de>
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+package eu.mulk.quarkus.googlecloud.jsonlogging;
+
+import java.util.Objects;
+
+/**
+ * A unique identifier for a log entry.
+ *
+ * <p>Prevents the duplicate insertion of log entries. Also serves as a discriminator to order log entries that carry
+ * the same time stamp.
+ *
+ * <p>Will be generated by Google Cloud Logging if not provided.
+ *
+ * <p>Instances of {@link InsertId} can be passed as log parameters to the {@code *f} family of logging
+ * functions on {@link org.jboss.logging.Logger}.
+ *
+ * <p><strong>Example:</strong>
+ *
+ * {@snippet :
+ * logger.logf("Request rejected: unauthorized.", InsertId.of("123"));
+ * }
+ *
+ * <p>Result:
+ *
+ * {@snippet lang="json" :
+ * {
+ * "textPayload": "Request rejected: unauthorized.",
+ * "logging.googleapis.com/insertId": "123"
+ * }
+ * }
+ *
+ * @see Label
+ * @see StructuredParameter
+ */
+public final class InsertId {
+
+ private final String value;
+
+ private InsertId(String value) {
+ this.value = value;
+ }
+
+ /**
+ * Constructs an {@link InsertId} from a string.
+ *
+ * @param value the value of the insertion ID.
+ * @return the newly constructed {@link InsertId}, ready to be passed to a logging function.
+ */
+ public static InsertId of(String value) {
+ return new InsertId(value);
+ }
+
+ /**
+ * The value of the label.
+ *
+ * @return the value of the label.
+ */
+ public String value() {
+ return value;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == this) return true;
+ if (obj == null || obj.getClass() != this.getClass()) return false;
+ var that = (InsertId) obj;
+ return Objects.equals(this.value, that.value);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(value);
+ }
+
+ @Override
+ public String toString() {
+ return "InsertId[value=" + value + ']';
+ }
+}
diff --git a/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/LogEntry.java b/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/LogEntry.java
index 19e6a3f..8859cb6 100644
--- a/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/LogEntry.java
+++ b/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/LogEntry.java
@@ -35,6 +35,7 @@ final class LogEntry {
private final Map<String, String> mappedDiagnosticContext;
@Nullable private final String nestedDiagnosticContext;
@Nullable private final String type;
+ @Nullable private final String insertId;
LogEntry(
String message,
@@ -47,7 +48,8 @@ final class LogEntry {
List<StructuredParameter> parameters,
Map<String, String> mappedDiagnosticContext,
@Nullable String nestedDiagnosticContext,
- @Nullable String type) {
+ @Nullable String type,
+ @Nullable String insertId) {
this.message = message;
this.severity = severity;
this.timestamp = timestamp;
@@ -59,6 +61,7 @@ final class LogEntry {
this.mappedDiagnosticContext = mappedDiagnosticContext;
this.nestedDiagnosticContext = nestedDiagnosticContext;
this.type = type;
+ this.insertId = insertId;
}
static final class SourceLocation {
@@ -124,6 +127,13 @@ final class LogEntry {
}
void json(StringBuilder b) {
+
+ if (insertId != null) {
+ b.append("\"logging.googleapis.com/insertId\":");
+ appendEscapedString(b, insertId);
+ b.append(",");
+ }
+
if (trace != null) {
b.append("\"logging.googleapis.com/trace\":");
appendEscapedString(b, trace);
diff --git a/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterTest.java b/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterTest.java
index 16fc537..d202fd9 100644
--- a/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterTest.java
+++ b/core/src/test/java/eu/mulk/quarkus/googlecloud/jsonlogging/FormatterTest.java
@@ -67,6 +67,7 @@ class FormatterTest {
assertLinesMatch(
List.of(
"\\{"
+ + "\"logging.googleapis.com/insertId\":\"123-456-789\","
+ "\"logging.googleapis.com/labels\":\\{\"a\":\"b\",\"requestId\":\"123\"\\},"
+ "\"traceId\":\"39f9a49a9567a8bd7087b708f8932550\","
+ "\"spanId\":\"c7431b14630b633d\","
@@ -91,7 +92,8 @@ class FormatterTest {
new Object[] {
(StructuredParameter)
() -> JSON.createObjectBuilder().add("one", 1).add("two", 2.0).add("yes", true),
- Label.of("a", "b")
+ Label.of("a", "b"),
+ InsertId.of("123-456-789"),
});
return logRecord;
}