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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.core;
import java.util.logging.Level;
import org.junit.Test;
import java.util.concurrent.TimeoutException;
import java.util.logging.Logger;
import static org.junit.Assert.assertEquals;
public class StateGatherTest extends FleetControllerTest {
public static Logger log = Logger.getLogger(StateGatherTest.class.getName());
private String getGetNodeStateReplyCounts(DummyVdsNode node) {
StringBuilder sb = new StringBuilder();
sb.append("timedout ").append(node.timedOutStateReplies)
.append(", outdated ").append(node.outdatedStateReplies)
.append(", immediate ").append(node.immediateStateReplies)
.append(", setstate ").append(node.setNodeStateReplies)
.append(", pending ").append(node.getPendingNodeStateCount());
return sb.toString();
}
@Test
public void testAlwaysHavePendingGetNodeStateRequestTowardsNodes() throws Exception {
Logger.getLogger(NodeStateGatherer.class.getName()).setLevel(Level.FINEST);
startingTest("StateGatherTest::testOverlappingGetNodeStateRequests");
FleetControllerOptions options = defaultOptions("mycluster");
options.nodeStateRequestTimeoutMS = 10 * 60 * 1000;
// Force actual message timeout to be lower than request timeout.
options.nodeStateRequestTimeoutEarliestPercentage = 80;
options.nodeStateRequestTimeoutLatestPercentage = 80;
setUpFleetController(true, options);
String[] connectionSpecs = new String[1];
connectionSpecs[0] = "tcp/localhost:" + slobrok.port();
DummyVdsNodeOptions dummyOptions = new DummyVdsNodeOptions();
DummyVdsNode dnode = new DummyVdsNode(timer, dummyOptions, connectionSpecs, this.options.clusterName, true, 0);
DummyVdsNode snode = new DummyVdsNode(timer, dummyOptions, connectionSpecs, this.options.clusterName, false, 0);
dnode.connect();
snode.connect();
waitUntilPendingGetNodeState(dnode, snode);
assertEquals("timedout 0, outdated 0, immediate 1, setstate 0, pending 1", getGetNodeStateReplyCounts(dnode));
assertEquals("timedout 0, outdated 0, immediate 1, setstate 0, pending 1", getGetNodeStateReplyCounts(snode));
waitForCompleteCycle();
timer.advanceTime(9 * 60 * 1000); // Requests should have timed out on nodes (8 min timeout).
waitUntilTimedOutGetNodeState(dnode, snode);
waitForCompleteCycle(); // Send new node state requests.
waitUntilPendingGetNodeState(dnode, snode);
assertEquals("timedout 1, outdated 0, immediate 1, setstate 0, pending 1", getGetNodeStateReplyCounts(dnode));
assertEquals("timedout 1, outdated 0, immediate 1, setstate 0, pending 1", getGetNodeStateReplyCounts(snode));
}
private void waitUntilTimedOutGetNodeState(DummyVdsNode dnode, DummyVdsNode snode) throws TimeoutException {
long timeout = System.currentTimeMillis() + timeoutMS;
synchronized (timer) {
while (dnode.timedOutStateReplies != 1 || snode.timedOutStateReplies != 1) {
if (System.currentTimeMillis() > timeout) {
throw new TimeoutException("Did not get to have one timed out within timeout of " + timeoutMS + " ms"
+ ", " + getGetNodeStateReplyCounts(dnode) + ", " + getGetNodeStateReplyCounts(snode));
}
try{ timer.wait(1); } catch (InterruptedException e) { /* ignore */ }
}
}
}
private void waitUntilPendingGetNodeState(DummyVdsNode dnode, DummyVdsNode snode) throws TimeoutException {
long timeout = System.currentTimeMillis() + timeoutMS;
while (dnode.getPendingNodeStateCount() != 1 || snode.getPendingNodeStateCount() != 1) {
if (System.currentTimeMillis() > timeout) throw new TimeoutException("Did not get to have one pending within timeout of " + timeoutMS + " ms");
try{ Thread.sleep(1); } catch (InterruptedException e) { /* ignore */ }
}
}
}
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