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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.reindexing;
import com.yahoo.documentapi.ProgressToken;
import com.yahoo.jdisc.Metric;
import java.time.Clock;
import java.util.EnumSet;
import java.util.Map;
import static ai.vespa.reindexing.Reindexing.State.SUCCESSFUL;
/**
* Metrics for reindexing in a content cluster.
*
* @author jonmv
*/
class ReindexingMetrics {
private final Metric metric;
private final String cluster;
ReindexingMetrics(Metric metric, String cluster) {
this.metric = metric;
this.cluster = cluster;
}
void dump(Reindexing reindexing) {
reindexing.status().forEach((type, status) -> {
Reindexing.State state = status.state();
metric.set("reindexing.progress",
status.progress().map(ProgressToken::percentFinished).map(percentage -> percentage * 1e-2)
.orElse(status.state() == SUCCESSFUL ? 1.0 : 0.0),
metric.createContext(Map.of("clusterid", cluster,
"documenttype", type.getName(),
"state", toString(state))));
// Set metric value to -1 for all states not currently active, so we only have one value >= 0 at any given time.
for (Reindexing.State unset : EnumSet.complementOf(EnumSet.of(state)))
metric.set("reindexing.progress",
-1,
metric.createContext(Map.of("clusterid", cluster,
"documenttype", type.getName(),
"state", toString(unset))));
});
}
private static String toString(Reindexing.State state) {
switch (state) {
case READY: return "pending";
case RUNNING: return "running";
case FAILED: return "failed";
case SUCCESSFUL: return "successful";
default: throw new IllegalArgumentException("Unknown reindexing state '" + state + "'");
}
}
}
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