How to use getAvailability method of org.openqa.selenium.grid.data.NodeStatus class
Best Selenium code snippet using org.openqa.selenium.grid.data.NodeStatus.getAvailability
Source:GridModel.java 
...82 // an existing node.83 if (next.getNodeId().equals(node.getNodeId()) && next.getExternalUri().equals(node.getExternalUri())) {84 iterator.remove();85 LOG.log(Debug.getDebugLogLevel(), "Refreshing node with id %s", node.getNodeId());86 NodeStatus refreshed = rewrite(node, next.getAvailability());87 nodes.add(refreshed);88 nodePurgeTimes.put(refreshed.getNodeId(), Instant.now());89 updateHealthCheckCount(refreshed.getNodeId(), refreshed.getAvailability());90 return;91 }92 // If the URI is the same but NodeId is different, then the Node has restarted93 if(!next.getNodeId().equals(node.getNodeId()) &&94 next.getExternalUri().equals(node.getExternalUri())) {95 LOG.info(String.format("Re-adding node with id %s and URI %s.", node.getNodeId(), node.getExternalUri()));96 events.fire(new NodeRestartedEvent(node));97 iterator.remove();98 break;99 }100 // If the URI has changed, then assume this is a new node and fall101 // out of the loop: we want to add it as `DOWN` until something102 // changes our mind.103 if (next.getNodeId().equals(node.getNodeId())) {104 LOG.info(String.format("Re-adding node with id %s and URI %s.", node.getNodeId(), node.getExternalUri()));105 iterator.remove();106 break;107 }108 }109 // Nodes are initially added in the "down" state until something changes their availability110 LOG.log(111 Debug.getDebugLogLevel(),112 String.format("Adding node with id %s and URI %s", node.getNodeId(), node.getExternalUri()));113 NodeStatus refreshed = rewrite(node, DOWN);114 nodes.add(refreshed);115 nodePurgeTimes.put(refreshed.getNodeId(), Instant.now());116 updateHealthCheckCount(refreshed.getNodeId(), refreshed.getAvailability());117 } finally {118 writeLock.unlock();119 }120 }121 public void refresh(NodeStatus status) {122 Require.nonNull("Node status", status);123 Lock writeLock = lock.writeLock();124 writeLock.lock();125 try {126 Iterator<NodeStatus> iterator = nodes.iterator();127 while (iterator.hasNext()) {128 NodeStatus node = iterator.next();129 if (node.getNodeId().equals(status.getNodeId())) {130 iterator.remove();131 // if the node was marked as "down", keep it down until a healthcheck passes:132 // just because the node can hit the event bus doesn't mean it's reachable133 if (node.getAvailability() == DOWN) {134 nodes.add(rewrite(status, DOWN));135 } else {136 // Otherwise, trust what it tells us.137 nodes.add(status);138 }139 nodePurgeTimes.put(status.getNodeId(), Instant.now());140 return;141 }142 }143 } finally {144 writeLock.unlock();145 }146 }147 public void touch(NodeId id) {148 Require.nonNull("Node ID", id);149 Lock writeLock = lock.writeLock();150 writeLock.lock();151 try {152 NodeStatus node = getNode(id);153 if (node != null) {154 nodePurgeTimes.put(node.getNodeId(), Instant.now());155 }156 } finally {157 writeLock.unlock();158 }159 }160 public void remove(NodeId id) {161 Require.nonNull("Node ID", id);162 Lock writeLock = lock.writeLock();163 writeLock.lock();164 try {165 nodes.removeIf(n -> n.getNodeId().equals(id));166 nodePurgeTimes.remove(id);167 nodeHealthCount.remove(id);168 } finally {169 writeLock.unlock();170 }171 }172 public void purgeDeadNodes() {173 Lock writeLock = lock.writeLock();174 writeLock.lock();175 try {176 Map<NodeStatus, NodeStatus> replacements = new HashMap<>();177 Set<NodeStatus> toRemove = new HashSet<>();178 for (NodeStatus node : nodes) {179 NodeId id = node.getNodeId();180 if (nodeHealthCount.getOrDefault(id, 0) > UNHEALTHY_THRESHOLD) {181 toRemove.add(node);182 break;183 }184 Instant now = Instant.now();185 Instant lastTouched = nodePurgeTimes.getOrDefault(id, Instant.now());186 Instant lostTime = lastTouched.plus(node.getHeartbeatPeriod().multipliedBy(PURGE_TIMEOUT_MULTIPLIER / 2));187 Instant deadTime = lastTouched.plus(node.getHeartbeatPeriod().multipliedBy(PURGE_TIMEOUT_MULTIPLIER));188 if (node.getAvailability() == UP && lostTime.isBefore(now)) {189 LOG.info(String.format("Switching Node %s from UP to DOWN", node.getExternalUri()));190 replacements.put(node, rewrite(node, DOWN));191 }192 if (node.getAvailability() == DOWN && deadTime.isBefore(now)) {193 LOG.info(String.format("Removing Node %s, DOWN for too long", node.getExternalUri()));194 toRemove.add(node);195 }196 }197 replacements.forEach((before, after) -> {198 nodes.remove(before);199 nodes.add(after);200 });201 toRemove.forEach(node -> {202 nodes.remove(node);203 nodePurgeTimes.remove(node.getNodeId());204 nodeHealthCount.remove(node.getNodeId());205 events.fire(new NodeRemovedEvent(node));206 });207 } finally {208 writeLock.unlock();209 }210 }211 public Availability setAvailability(NodeId id, Availability availability) {212 Require.nonNull("Node ID", id);213 Require.nonNull("Availability", availability);214 Lock writeLock = lock.writeLock();215 writeLock.lock();216 try {217 NodeStatus node = getNode(id);218 if (node == null) {219 return DOWN;220 }221 if (availability.equals(node.getAvailability())) {222 if (node.getAvailability() == UP) {223 nodePurgeTimes.put(node.getNodeId(), Instant.now());224 }225 return availability;226 }227 LOG.info(String.format(228 "Switching node %s (uri: %s) from %s to %s",229 id,230 node.getExternalUri(),231 node.getAvailability(),232 availability));233 Availability previous = node.getAvailability();234 NodeStatus refreshed = rewrite(node, availability);235 nodes.remove(node);236 nodes.add(refreshed);237 nodePurgeTimes.put(node.getNodeId(), Instant.now());238 return previous;239 } finally {240 writeLock.unlock();241 }242 }243 public boolean reserve(SlotId slotId) {244 Lock writeLock = lock.writeLock();245 writeLock.lock();246 try {247 NodeStatus node = getNode(slotId.getOwningNodeId());248 if (node == null) {249 LOG.warning(String.format("Asked to reserve slot on node %s, but unable to find node", slotId.getOwningNodeId()));250 return false;251 }252 if (!UP.equals(node.getAvailability())) {253 LOG.warning(String.format(254 "Asked to reserve a slot on node %s, but node is %s",255 slotId.getOwningNodeId(),256 node.getAvailability()));257 return false;258 }259 Optional<Slot> maybeSlot = node.getSlots().stream()260 .filter(slot -> slotId.equals(slot.getId()))261 .findFirst();262 if (!maybeSlot.isPresent()) {263 LOG.warning(String.format(264 "Asked to reserve slot on node %s, but no slot with id %s found",265 node.getNodeId(),266 slotId));267 return false;268 }269 reserve(node, maybeSlot.get());270 return true;271 } finally {272 writeLock.unlock();273 }274 }275 public Set<NodeStatus> getSnapshot() {276 Lock readLock = this.lock.readLock();277 readLock.lock();278 try {279 return ImmutableSet.copyOf(nodes);280 } finally {281 readLock.unlock();282 }283 }284 private NodeStatus getNode(NodeId id) {285 Require.nonNull("Node ID", id);286 Lock readLock = lock.readLock();287 readLock.lock();288 try {289 return nodes.stream()290 .filter(n -> n.getNodeId().equals(id))291 .findFirst()292 .orElse(null);293 } finally {294 readLock.unlock();295 }296 }297 private NodeStatus rewrite(NodeStatus status, Availability availability) {298 return new NodeStatus(299 status.getNodeId(),300 status.getExternalUri(),301 status.getMaxSessionCount(),302 status.getSlots(),303 availability,304 status.getHeartbeatPeriod(),305 status.getVersion(),306 status.getOsInfo());307 }308 public void release(SessionId id) {309 if (id == null) {310 return;311 }312 Lock writeLock = lock.writeLock();313 writeLock.lock();314 try {315 for (NodeStatus node : nodes) {316 for (Slot slot : node.getSlots()) {317 if (slot.getSession()==null) {318 continue;319 }320 if (id.equals(slot.getSession().getId())) {321 Slot released = new Slot(322 slot.getId(),323 slot.getStereotype(),324 slot.getLastStarted(),325 null);326 amend(node.getAvailability(), node, released);327 return;328 }329 }330 }331 } finally {332 writeLock.unlock();333 }334 }335 public void reserve(NodeStatus status, Slot slot) {336 Instant now = Instant.now();337 Slot reserved = new Slot(338 slot.getId(),339 slot.getStereotype(),340 now,341 new Session(342 RESERVED,343 status.getExternalUri(),344 slot.getStereotype(),345 slot.getStereotype(),346 now));347 amend(UP, status, reserved);348 }349 public void setSession(SlotId slotId, Session session) {350 Require.nonNull("Slot ID", slotId);351 Lock writeLock = lock.writeLock();352 writeLock.lock();353 try {354 NodeStatus node = getNode(slotId.getOwningNodeId());355 if (node == null) {356 LOG.warning("Grid model and reality have diverged. Unable to find node " + slotId.getOwningNodeId());357 return;358 }359 Optional<Slot> maybeSlot = node.getSlots().stream()360 .filter(slot -> slotId.equals(slot.getId()))361 .findFirst();362 if (!maybeSlot.isPresent()) {363 LOG.warning("Grid model and reality have diverged. Unable to find slot " + slotId);364 return;365 }366 Slot slot = maybeSlot.get();367 Session maybeSession = slot.getSession();368 if (maybeSession == null) {369 LOG.warning("Grid model and reality have diverged. Slot is not reserved. " + slotId);370 return;371 }372 if (!RESERVED.equals(maybeSession.getId())) {373 LOG.warning(374 "Grid model and reality have diverged. Slot has session and is not reserved. " + slotId);375 return;376 }377 Slot updated = new Slot(378 slot.getId(),379 slot.getStereotype(),380 session == null ? slot.getLastStarted() : session.getStartTime(),381 session);382 amend(node.getAvailability(), node, updated);383 } finally {384 writeLock.unlock();385 }386 }387 public void updateHealthCheckCount(NodeId id, Availability availability) {388 Require.nonNull("Node ID", id);389 Require.nonNull("Availability", availability);390 Lock writeLock = lock.writeLock();391 writeLock.lock();392 try {393 int unhealthyCount = nodeHealthCount.getOrDefault(id, 0);394 // Keep track of consecutive number of times the Node health check fails395 if (availability.equals(DOWN)) {396 nodeHealthCount.put(id, unhealthyCount + 1);...
Source:LocalDistributor.java
...165 }166 Lock writeLock = lock.writeLock();167 writeLock.lock();168 try {169 model.setAvailability(id, result.getAvailability());170 } finally {171 writeLock.unlock();172 }173 };174 }175 @Override176 public boolean drain(NodeId nodeId) {177 Node node = nodes.get(nodeId);178 if (node == null) {179 LOG.info("Asked to drain unregistered node " + nodeId);180 return false;181 }182 Lock writeLock = lock.writeLock();183 writeLock.lock();184 try {185 node.drain();186 model.setAvailability(nodeId, DRAINING);187 } finally {188 writeLock.unlock();189 }190 return node.isDraining();191 }192 public void remove(NodeId nodeId) {193 Lock writeLock = lock.writeLock();194 writeLock.lock();195 try {196 model.remove(nodeId);197 Runnable runnable = allChecks.remove(nodeId);198 if (runnable != null) {199 hostChecker.remove(runnable);200 }201 } finally {202 writeLock.unlock();203 bus.fire(new NodeRemovedEvent(nodeId));204 }205 }206 @Override207 public DistributorStatus getStatus() {208 Lock readLock = this.lock.readLock();209 readLock.lock();210 try {211 return new DistributorStatus(model.getSnapshot());212 } finally {213 readLock.unlock();214 }215 }216 @Beta217 public void refresh() {218 List<Runnable> allHealthChecks = new ArrayList<>();219 Lock readLock = this.lock.readLock();220 readLock.lock();221 try {222 allHealthChecks.addAll(allChecks.values());223 } finally {224 readLock.unlock();225 }226 allHealthChecks.parallelStream().forEach(Runnable::run);227 }228 @Override229 protected Set<NodeStatus> getAvailableNodes() {230 Lock readLock = this.lock.readLock();231 readLock.lock();232 try {233 return model.getSnapshot().stream()234 .filter(node -> !DOWN.equals(node.getAvailability()))235 .collect(toImmutableSet());236 } finally {237 readLock.unlock();238 }239 }240 @Override241 protected Supplier<CreateSessionResponse> reserve(SlotId slotId, CreateSessionRequest request) {242 Require.nonNull("Slot ID", slotId);243 Require.nonNull("New Session request", request);244 Lock writeLock = this.lock.writeLock();245 writeLock.lock();246 try {247 Node node = nodes.get(slotId.getOwningNodeId());248 if (node == null) {...
Source:RemoteNode.java
...190 @Override191 public Result check() {192 try {193 NodeStatus status = getStatus();194 switch (status.getAvailability()) {195 case DOWN:196 return new Result(DOWN, externalUri + " is down");197 case DRAINING:198 return new Result(DRAINING, externalUri + " is draining");199 case UP:200 return new Result(UP, externalUri + " is ok");201 default:202 throw new IllegalStateException("Unknown node availability: " + status.getAvailability());203 }204 } catch (RuntimeException e) {205 return new Result(206 DOWN,207 "Unable to determine node status: " + e.getMessage());208 }209 }210 }211}...
Source:Grid.java
...55 }56 toReturn.add(new Node(57 status.getId(),58 status.getUri(),59 status.getAvailability(),60 status.getMaxSessionCount(),61 capabilities,62 sessions));63 }64 return toReturn.build();65 }66 public int getSessionCount() {67 return distributorStatus.get().getNodes().stream()68 .map(NodeStatus::getSlots)69 .flatMap(Collection::stream)70 .filter(slot -> slot.getSession().isPresent())71 .mapToInt(slot -> 1)72 .sum();73 }...
getAvailability
Using AI Code Generation
1import org.openqa.selenium.grid.data.Availability;2import org.openqa.selenium.grid.data.NodeStatus;3import org.openqa.selenium.grid.data.Session;4import org.openqa.selenium.grid.data.SessionRequest;5import org.openqa.selenium.grid.data.SessionRequestEvent;6import org.openqa.selenium.grid.data.SessionRequestEvent.State;7import org.openqa.selenium.grid.data.SessionRequestEvent.Type;8import org.openqa.selenium.grid.data.SessionRequestEvent.Type.COMPLETE;9import org.openqa.selenium.grid.data.SessionRequestEvent.Type.CREATED;10import org.openqa.selenium.grid.data.SessionRequestEvent.Type.DELETED;11import org.openqa.selenium.grid.data.SessionRequestEvent.Type.UPDATED;12import org.openqa.selenium.grid.distributor.local.LocalDistributor;13import org.openqa.selenium.grid.distributor.local.LocalDistributorFactory;14import org.openqa.selenium.grid.node.local.LocalNode;15import org.openqa.selenium.grid.node.local.LocalNodeFactory;16import org.openqa.selenium.grid.sessionmap.local.LocalSessionMap;17import org.openqa.selenium.grid.sessionmap.local.LocalSessionMapFactory;18import org.openqa.selenium.grid.web.Routable;19import org.openqa.selenium.internal.Require;20import org.openqa.selenium.remote.SessionId;21import org.openqa.selenium.remote.http.HttpHandler;22import org.openqa.selenium.remote.http.HttpRequest;23import org.openqa.selenium.remote.http.HttpResponse;24import org.openqa.selenium.remote.tracing.DistributedTracer;25import org.openqa.selenium.remote.tracing.Tracer;26import org.openqa.selenium.remote.tracing.opentelemetry.OpenTelemetryTracer;27import java.net.URI;28import java.net.URISyntaxException;29import java.net.URL;30import java.time.Duration;31import java.util.ArrayList;32import java.util.Collection;33import java.util.Collections;34import java.util.HashSet;35import java.util.List;36import java.util.Map;37import java.util.Optional;38import java.util.Set;39import java.util.UUID;40import java.util.concurrent.ConcurrentHashMap;41import java.util.concurrent.ConcurrentLinkedDeque;42import java.util.concurrent.ConcurrentLinkedQueue;43import java.util.concurrent.ConcurrentMap;44import java.util.concurrent.CopyOnWriteArrayList;45import java.util.concurrent.CountDownLatch;46import java.util.concurrent.ExecutorService;47import java.util.concurrent.Executors;48import java.util.concurrent.Future;49import java.util.concurrent.ScheduledExecutorService;50import java.util.concurrent.TimeUnit;51import java.util.concurrent.atomic.AtomicInteger;52import java.util.concurrent.atomic.AtomicReference;53import java.util.function.BiConsumer;54import java.util.function.Consumer;55import java.util.function.Function;56import java.util.function.Predicate;57import java.util.function.Supplier;58import java.util.logging.Logger;59import java.util.stream.Collectors;60import java.util.stream.Stream;61import static java.net.Http
getAvailability
Using AI Code Generation
1import org.openqa.selenium.grid.data.NodeStatus;2NodeStatus nodeStatus = new NodeStatus();3nodeStatus.getAvailability();4import org.openqa.selenium.grid.data.NodeStatus;5NodeStatus nodeStatus = new NodeStatus();6nodeStatus.getCapacity();7import org.openqa.selenium.grid.data.NodeStatus;8NodeStatus nodeStatus = new NodeStatus();9nodeStatus.getDiagnostics();10import org.openqa.selenium.grid.data.NodeStatus;11NodeStatus nodeStatus = new NodeStatus();12nodeStatus.getExternalUri();13import org.openqa.selenium.grid.data.NodeStatus;14NodeStatus nodeStatus = new NodeStatus();15nodeStatus.getId();16import org.openqa.selenium.grid.data.NodeStatus;17NodeStatus nodeStatus = new NodeStatus();18nodeStatus.getInternalUri();19import org.openqa.selenium.grid.data.NodeStatus;20NodeStatus nodeStatus = new NodeStatus();21nodeStatus.getMetadata();22import org.openqa.selenium.grid.data.NodeStatus;23NodeStatus nodeStatus = new NodeStatus();24nodeStatus.getProtocol();25import org.openqa.selenium.grid.data.NodeStatus;26NodeStatus nodeStatus = new NodeStatus();27nodeStatus.getSessionCount();28import org.openqa.selenium.grid.data.NodeStatus;29NodeStatus nodeStatus = new NodeStatus();30nodeStatus.getSlots();31import org.openqa.selenium.grid.data.NodeStatus;32NodeStatus nodeStatus = new NodeStatus();33nodeStatus.getUri();34import org.openqa.selenium.grid.data.NodeStatus;35NodeStatus nodeStatus = new NodeStatus();36nodeStatus.getUsed();37import org.openqa.selenium.grid.data.NodeStatus;
getAvailability
Using AI Code Generation
1package com.seleniumgrid;2import org.openqa.selenium.WebDriver;3import org.openqa.selenium.remote.RemoteWebDriver;4import org.openqa.selenium.remote.http.HttpClient;5import org.openqa.selenium.remote.http.HttpClient.Factory;6import org.openqa.selenium.remote.http.HttpRequest;7import org.openqa.selenium.remote.http.HttpResponse;8import org.openqa.selenium.remote.tracing.Tracer;9import org.openqa.selenium.remote.tracing.distributed.DistributedTracer;10import org.openqa.selenium.grid.data.Availability;11import org.openqa.selenium.grid.data.NodeStatus;12import org.openqa.selenium.grid.web.Values;13import org.openqa.selenium.grid.web.config.HttpdOptions;14import org.openqa.selenium.grid.web.config.Secret;15import org.openqa.selenium.internal.Require;16import org.openqa.selenium.json.Json;17import org.openqa.selenium.remote.http.Contents;18import org.openqa.selenium.remote.http.HttpMethod;19import org.openqa.selenium.remote.http.Route;20import org.openqa.selenium.remote.tracing.DefaultTestTracer;21import java.io.IOException;22import java.net.URL;23import java.util.Objects;24import java.util.Optional;25import java.util.logging.Logger;26import static org.openqa.selenium.remote.http.Route.combine;27public class CheckNodeAvailability {28 private static final Logger LOG = Logger.getLogger(CheckNodeAvailability.class.getName());29 private final Tracer tracer;30 private final HttpClient.Factory clientFactory;31 private final URL url;32 public CheckNodeAvailability(Tracer tracer, HttpClient.Factory clientFactory, URL url) {33 this.tracer = Require.nonNull("Tracer", tracer);34 this.clientFactory = Require.nonNull("HTTP client factory", clientFactory);35 this.url = Require.nonNull("URL", url);36 }37 public static void main(String[] args) throws IOException {38 Tracer tracer = DefaultTestTracer.createTracer();39 Factory clientFactory = HttpClient.Factory.createDefault();40 CheckNodeAvailability checkNodeAvailability = new CheckNodeAvailability(tracer, clientFactory, url);41 checkNodeAvailability.checkNodeAvailability();42 }43 public void checkNodeAvailability() throws IOException {44 NodeStatus nodeStatus = getNodeStatus();45 Availability availability = nodeStatus.getAvailability();46 System.out.println("Node availability: " + availability);47 }48 private NodeStatus getNodeStatus() throws IOException {49 try (HttpClient client = clientFactory.createClient(url)) {50 HttpRequest request = new HttpRequest(HttpMethod.GET, "/status");51 HttpResponse response = client.execute(request);52 if (response.getStatus() != 200) {
getAvailability
Using AI Code Generation
1NodeStatus nodeStatus = new NodeStatus();2nodeStatus.getAvailability();3NodeStatus nodeStatus = new NodeStatus();4nodeStatus.getSessions();5NodeStatus nodeStatus = new NodeStatus();6nodeStatus.getSlots();7NodeStatus nodeStatus = new NodeStatus();8nodeStatus.getUri();9NodeStatus nodeStatus = new NodeStatus();10nodeStatus.getDialects();11NodeStatus nodeStatus = new NodeStatus();12nodeStatus.getCapabilities();13NodeStatus nodeStatus = new NodeStatus();14nodeStatus.getNodeId();15NodeStatus nodeStatus = new NodeStatus();16nodeStatus.getExternalUri();17NodeStatus nodeStatus = new NodeStatus();18nodeStatus.getInternalUri();19NodeStatus nodeStatus = new NodeStatus();20nodeStatus.getUri();21NodeStatus nodeStatus = new NodeStatus();22nodeStatus.getDialects();23NodeStatus nodeStatus = new NodeStatus();24nodeStatus.getCapabilities();25NodeStatus nodeStatus = new NodeStatus();26nodeStatus.getNodeId();
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