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Introduce labels to metrics and add them to v2 metrics endpoint.
Signed-off-by: Jakub Dardzinski <[email protected]>
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30 changes: 30 additions & 0 deletions
30
api/src/main/java/marquez/logging/DelegatingSqlLogger.java
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package marquez.logging; | ||
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import java.sql.SQLException; | ||
import java.util.Arrays; | ||
import java.util.List; | ||
import org.jdbi.v3.core.statement.SqlLogger; | ||
import org.jdbi.v3.core.statement.StatementContext; | ||
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/** A {@link SqlLogger} implementation that delegates to multiple {@link SqlLogger}s. */ | ||
public class DelegatingSqlLogger implements SqlLogger { | ||
private final List<SqlLogger> sqlLoggers; | ||
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public DelegatingSqlLogger(SqlLogger... sqlLoggers) { | ||
this.sqlLoggers = Arrays.asList(sqlLoggers); | ||
} | ||
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@Override | ||
public void logAfterExecution(StatementContext statementContext) { | ||
for (SqlLogger sqlLogger : sqlLoggers) { | ||
sqlLogger.logAfterExecution(statementContext); | ||
} | ||
} | ||
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@Override | ||
public void logException(StatementContext statementContext, SQLException ex) { | ||
for (SqlLogger sqlLogger : sqlLoggers) { | ||
sqlLogger.logException(statementContext, ex); | ||
} | ||
} | ||
} |
33 changes: 0 additions & 33 deletions
33
api/src/main/java/marquez/logging/EndpointNameStrategy.java
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package marquez.logging; | ||
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import io.prometheus.client.CollectorRegistry; | ||
import io.prometheus.client.Histogram; | ||
import java.sql.SQLException; | ||
import java.time.temporal.ChronoUnit; | ||
import org.jdbi.v3.core.extension.ExtensionMethod; | ||
import org.jdbi.v3.core.statement.SqlLogger; | ||
import org.jdbi.v3.core.statement.StatementContext; | ||
import org.slf4j.MDC; | ||
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/** | ||
* A {@link SqlLogger} implementation for JDBI which uses the SQL objects' class names and method | ||
* names for nanosecond-precision timers. | ||
*/ | ||
public class LabelledSqlLogger implements SqlLogger { | ||
private final Histogram metric; | ||
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public LabelledSqlLogger() { | ||
this(CollectorRegistry.defaultRegistry); | ||
} | ||
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public LabelledSqlLogger(CollectorRegistry registry) { | ||
this.metric = | ||
Histogram.build() | ||
.namespace("marquez") | ||
.labelNames("object_name", "method_name", "endpoint_method", "endpoint_path") | ||
.name("sql_duration_seconds") | ||
.help("SQL execution duration in seconds") | ||
.register(registry); | ||
} | ||
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@Override | ||
public void logAfterExecution(StatementContext context) { | ||
log(context); | ||
} | ||
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@Override | ||
public void logException(StatementContext context, SQLException ex) { | ||
log(context); | ||
} | ||
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private void log(StatementContext context) { | ||
ExtensionMethod extensionMethod = context.getExtensionMethod(); | ||
if (extensionMethod != null) { | ||
final long elapsed = context.getElapsedTime(ChronoUnit.NANOS); | ||
if (MDC.get("method") != null && MDC.get("pathWithParams") != null) { | ||
metric | ||
.labels( | ||
extensionMethod.getType().getName(), | ||
extensionMethod.getMethod().getName(), | ||
MDC.get("method"), | ||
MDC.get("pathWithParams")) | ||
.observe(elapsed / 1e9); | ||
} | ||
} | ||
} | ||
} |
20 changes: 0 additions & 20 deletions
20
api/src/main/java/marquez/logging/MarquezMetricNameStrategy.java
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