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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.apps.clustercontroller;
import com.yahoo.cloud.config.ClusterInfoConfig;
import com.yahoo.component.annotation.Inject;
import com.yahoo.container.jdisc.RequestView;
import com.yahoo.container.jdisc.utils.CapabilityRequiringRequestHandler;
import com.yahoo.security.tls.Capability;
import com.yahoo.vespa.clustercontroller.apputil.communication.http.JDiscHttpRequestHandler;
import com.yahoo.vespa.clustercontroller.core.restapiv2.ClusterControllerStateRestAPI;
import com.yahoo.vespa.clustercontroller.utils.staterestapi.server.RestApiHandler;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.logging.Level;
import java.util.logging.Logger;
public class StateRestApiV2Handler extends JDiscHttpRequestHandler implements CapabilityRequiringRequestHandler {
private static final Logger log = Logger.getLogger(StateRestApiV2Handler.class.getName());
@Inject
public StateRestApiV2Handler(ClusterController cc, ClusterInfoConfig config,
JDiscHttpRequestHandler.Context ctx)
{
this(new ClusterControllerStateRestAPI(cc, getClusterControllerSockets(config)), "/cluster/v2", ctx);
}
@Override public Capability requiredCapability(RequestView __) { return Capability.CLUSTER_CONTROLLER__STATE; }
private StateRestApiV2Handler(ClusterControllerStateRestAPI restApi, String pathPrefix,
JDiscHttpRequestHandler.Context ctx)
{
super(new RestApiHandler(restApi).setDefaultPathPrefix(pathPrefix), ctx);
}
// This method is package-private instead of private to be accessible to unit-tests.
static Map<Integer, ClusterControllerStateRestAPI.Socket> getClusterControllerSockets(ClusterInfoConfig config) {
Map<Integer, ClusterControllerStateRestAPI.Socket> result = new TreeMap<>();
for (ClusterInfoConfig.Services service : config.services()) {
for (ClusterInfoConfig.Services.Ports port : service.ports()) {
Set<String> tags = parseTags(port.tags());
if (tags.contains("http") && tags.contains("state")) {
result.put(service.index(), new ClusterControllerStateRestAPI.Socket(service.hostname(), port.number()));
break;
}
}
}
if (result.isEmpty()) {
log.warning("Found no cluster controller in model config");
} else if (log.isLoggable(Level.FINE)) {
StringBuilder sb = new StringBuilder();
sb.append("Found ").append(result.size()).append(" cluster controllers in model config:");
for (Map.Entry<Integer, ClusterControllerStateRestAPI.Socket> e : result.entrySet()) {
sb.append("\n ").append(e.getKey()).append(" -> ").append(e.getValue());
}
log.fine(sb.toString());
}
return result;
}
private static Set<String> parseTags(String tags) {
Set<String> set = new HashSet<>();
for(String s : tags.toLowerCase().split(" ")) {
set.add(s.trim());
}
return set;
}
}
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