/
Controller.java
1190 lines (1078 loc) · 57.3 KB
/
Controller.java
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package at.esque.kafka;
import at.esque.kafka.alerts.ConfirmationAlert;
import at.esque.kafka.alerts.ErrorAlert;
import at.esque.kafka.alerts.SuccessAlert;
import at.esque.kafka.alerts.TopicTemplateAppliedAlert;
import at.esque.kafka.cluster.ClusterConfig;
import at.esque.kafka.cluster.KafkaesqueAdminClient;
import at.esque.kafka.cluster.TopicMessageTypeConfig;
import at.esque.kafka.controls.FilterableListView;
import at.esque.kafka.controls.JsonTreeView;
import at.esque.kafka.controls.KafkaEsqueCodeArea;
import at.esque.kafka.controls.MessagesTabContent;
import at.esque.kafka.controls.PinTab;
import at.esque.kafka.dialogs.ClusterConfigDialog;
import at.esque.kafka.dialogs.DeleteClustersDialog;
import at.esque.kafka.dialogs.TopicMessageTypeConfigDialog;
import at.esque.kafka.dialogs.TopicTemplatePartitionAndReplicationInputDialog;
import at.esque.kafka.dialogs.TraceInputDialog;
import at.esque.kafka.exception.MissingSchemaRegistryException;
import at.esque.kafka.handlers.ConfigHandler;
import at.esque.kafka.handlers.ConsumerHandler;
import at.esque.kafka.handlers.ProducerHandler;
import at.esque.kafka.handlers.Settings;
import at.esque.kafka.lag.viewer.LagViewerController;
import at.esque.kafka.topics.CreateTopicController;
import at.esque.kafka.topics.DescribeTopicController;
import at.esque.kafka.topics.DescribeTopicWrapper;
import at.esque.kafka.topics.KafkaMessagBookWrapper;
import at.esque.kafka.topics.KafkaMessage;
import at.esque.kafka.topics.model.Topic;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
import com.google.inject.Inject;
import com.google.inject.Injector;
import com.opencsv.bean.CsvToBeanBuilder;
import io.confluent.kafka.schemaregistry.client.rest.exceptions.RestClientException;
import javafx.application.Platform;
import javafx.beans.binding.Bindings;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ComboBox;
import javafx.scene.control.ContextMenu;
import javafx.scene.control.Label;
import javafx.scene.control.ListCell;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.control.ProgressIndicator;
import javafx.scene.control.SplitPane;
import javafx.scene.control.Tab;
import javafx.scene.control.TabPane;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableRow;
import javafx.scene.control.TableView;
import javafx.scene.control.TextField;
import javafx.scene.control.ToggleButton;
import javafx.scene.image.Image;
import javafx.stage.DirectoryChooser;
import javafx.stage.FileChooser;
import javafx.stage.Modality;
import javafx.stage.Stage;
import javafx.util.Pair;
import net.thisptr.jackson.jq.BuiltinFunctionLoader;
import net.thisptr.jackson.jq.JsonQuery;
import net.thisptr.jackson.jq.Scope;
import net.thisptr.jackson.jq.Version;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.time.StopWatch;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.common.errors.TopicExistsException;
import org.apache.kafka.common.header.Header;
import org.apache.kafka.common.utils.Utils;
import org.kordamp.ikonli.fontawesome.FontAwesome;
import org.kordamp.ikonli.javafx.FontIcon;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.awt.*;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.UUID;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import java.util.function.Predicate;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
public class Controller {
private static final Pattern REPLACER_PATTERN = Pattern.compile("\\$\\{(?<identifier>.[^:{}]+):(?<type>.[^:{}]+)}");
private KafkaesqueAdminClient adminClient;
private static final Logger LOGGER = LoggerFactory.getLogger(Controller.class);
Scope rootScope = Scope.newEmptyScope();
// Use BuiltinFunctionLoader to load built-in functions from the classpath.
//Guice
@Inject
private BackGroundTaskHolder backGroundTaskHolder;
@Inject
private ConsumerHandler consumerHandler;
@Inject
private ProducerHandler producerHandler;
@Inject
private ConfigHandler configHandler;
@Inject
private Injector injector;
//FXML
@FXML
private KafkaEsqueCodeArea keyTextArea;
@FXML
private Tab valueTab;
@FXML
private SplitPane valueSplitPane;
@FXML
private KafkaEsqueCodeArea valueTextArea;
@FXML
public JsonTreeView jsonTreeView;
@FXML
private TableView<Header> headerTableView;
@FXML
private TableColumn<Header, String> headerKeyColumn;
@FXML
private TableColumn<Header, String> headerValueColumn;
@FXML
private FilterableListView<String> topicListView;
@FXML
private ComboBox<ClusterConfig> clusterComboBox;
@FXML
private MenuItem playMessageBookMenu;
@FXML
private ComboBox<FetchTypes> fetchModeCombobox;
@FXML
private Button publishMessageButton;
@FXML
private Button getMessagesButton;
@FXML
private TextField numberOfMessagesToGetField;
@FXML
private TextField specificOffsetTextField;
@FXML
private ToggleButton formatJsonToggle;
@FXML
private TextField jqQueryField;
@FXML
private ProgressIndicator loadingIndicator;
@FXML
private Label backgroundTaskDescription;
@FXML
private Label taskProgressLabel;
@FXML
private Button interruptMessagePollingButton;
@FXML
private Button editClusterButton;
@FXML
private MenuBar menuBar;
@FXML
private TabPane messageTabPane;
private KafkaMessage selectedMessage;
private double[] cachedValueTabDividerPositions = null;
private Stage controlledStage;
private YAMLMapper yamlMapper = new YAMLMapper();
private String selectedTopic() {
return topicListView.getListView().getSelectionModel().getSelectedItem();
}
private ClusterConfig selectedCluster() {
return clusterComboBox.getSelectionModel().getSelectedItem();
}
public void setup(Stage controlledStage) {
BuiltinFunctionLoader.getInstance().loadFunctions(Version.LATEST, rootScope);
this.controlledStage = controlledStage;
setUpLoadingIndicator();
String useSystemMenuBar = configHandler.getSettingsProperties().get(Settings.USE_SYSTEM_MENU_BAR);
if (Boolean.parseBoolean(useSystemMenuBar)) {
menuBar.setUseSystemMenuBar(true);
}
interruptMessagePollingButton.disableProperty().bind(backGroundTaskHolder.isInProgressProperty().not());
headerKeyColumn.setCellValueFactory(param -> new SimpleStringProperty(param.getValue().key()));
headerValueColumn.setCellValueFactory(param -> new SimpleStringProperty(new String(param.getValue().value())));
fetchModeCombobox.setItems(FXCollections.observableArrayList(FetchTypes.values()));
fetchModeCombobox.getSelectionModel().select(FetchTypes.NEWEST);
fetchModeCombobox.getSelectionModel().selectedItemProperty().addListener((observable, oldValue, newValue) ->
specificOffsetTextField.setVisible(newValue == FetchTypes.SPECIFIC_OFFSET));
clusterComboBox.getSelectionModel().selectedItemProperty().addListener((observable, oldValue, newValue) -> {
adminClient = new KafkaesqueAdminClient(newValue.getBootStrapServers(), configHandler.getSslProperties(selectedCluster()), configHandler.getSaslProperties(selectedCluster()));
refreshTopicList(newValue);
});
topicListView.getListView().setCellFactory(lv -> topicListCellFactory());
topicListView.setListComparator(String::compareTo);
setupJsonFormatToggle();
setupClusterCombobox();
clusterComboBox.setItems(configHandler.loadOrCreateConfigs().getClusterConfigs());
jsonTreeView.jsonStringProperty().bind(valueTextArea.textProperty());
jsonTreeView.visibleProperty().bind(formatJsonToggle.selectedProperty());
bindDisableProperties();
ClusterConfig dummycluster = new ClusterConfig();
dummycluster.setIdentifier("Empty");
messageTabPane.getTabs().add(createTab(dummycluster, "Tab"));
}
private void setupJsonFormatToggle() {
formatJsonToggle.selectedProperty().addListener((observable, oldValue, newValue) -> {
updateKeyValueTextArea(selectedMessage, newValue);
});
jqQueryField.textProperty().addListener((observable, oldValue, newValue) -> {
updateKeyValueTextArea(selectedMessage, formatJsonToggle.isSelected());
});
jqQueryField.visibleProperty().bind(Bindings.createBooleanBinding(() -> {
if (formatJsonToggle.isSelected()) {
jqQueryField.setMaxWidth(-1);
return true;
}
jqQueryField.setMaxWidth(0);
return false;
}, formatJsonToggle.selectedProperty()));
updateValueTabLayout(formatJsonToggle.isSelected());
}
private void openInTextEditor(KafkaMessage value, String suffix) {
if (Desktop.isDesktopSupported()) {
new Thread(() -> {
File temp;
try {
temp = File.createTempFile("kafkaEsque-export", "." + suffix);
try (BufferedWriter bw = new BufferedWriter(new FileWriter(temp))) {
bw.write(value.getValue());
}
Desktop.getDesktop().open(temp);
} catch (IOException e) {
Platform.runLater(() -> ErrorAlert.show(e));
}
}).start();
}
}
private void bindDisableProperties() {
BooleanProperty backgroundTaskInProgressProperty = backGroundTaskHolder.isInProgressProperty();
topicListView.disableProperty().bind(backgroundTaskInProgressProperty);
getMessagesButton.disableProperty().bind(backgroundTaskInProgressProperty);
publishMessageButton.disableProperty().bind(backgroundTaskInProgressProperty);
clusterComboBox.disableProperty().bind(backgroundTaskInProgressProperty);
playMessageBookMenu.disableProperty().bind(backgroundTaskInProgressProperty);
editClusterButton.disableProperty().bind(clusterComboBox.getSelectionModel().selectedItemProperty().isNull());
}
private void updateKeyValueTextArea(KafkaMessage selectedMessage, boolean formatJson) {
updateValueTabLayout(formatJson);
if (selectedMessage == null) {
return;
}
headerTableView.setItems(selectedMessage.getHeaders());
if (formatJson) {
keyTextArea.setText(JsonUtils.formatJson(selectedMessage.getKey()));
String prettyPrintText = JsonUtils.formatJson(selectedMessage.getValue());
try {
JsonQuery jqQuery = JsonQuery.compile(StringUtils.isEmpty(jqQueryField.getText()) ? "." : jqQueryField.getText(), Version.LATEST);
final List<JsonNode> out = new ArrayList<>();
jqQuery.apply(Scope.newChildScope(rootScope), JsonUtils.readStringAsNode(selectedMessage.getValue()), out::add);
if (out.size() == 1) {
prettyPrintText = JsonUtils.formatJson(out.get(0));
} else {
prettyPrintText = JsonUtils.formatJson(out);
}
} catch (Exception e) {
e.printStackTrace();
}
valueTextArea.setText(prettyPrintText);
} else {
keyTextArea.setText(selectedMessage.getKey());
valueTextArea.setText(selectedMessage.getValue());
}
}
private void updateValueTabLayout(boolean formatJson) {
if (formatJson) {
if (!valueSplitPane.getItems().contains(valueTextArea)) {
valueSplitPane.getItems().add(valueTextArea);
}
if (cachedValueTabDividerPositions != null && cachedValueTabDividerPositions.length > 0) {
valueSplitPane.setDividerPositions(cachedValueTabDividerPositions);
}
valueTab.setContent(valueSplitPane);
} else {
cachedValueTabDividerPositions = valueSplitPane.getDividerPositions();
valueSplitPane.getItems().remove(valueTextArea);
valueTab.setContent(valueTextArea);
}
}
private void setupClusterCombobox() {
ListCell<ClusterConfig> buttonCell = new ListCell<ClusterConfig>() {
@Override
protected void updateItem(ClusterConfig item, boolean isEmpty) {
super.updateItem(item, isEmpty);
setText(item == null ? "" : item.getIdentifier());
}
};
clusterComboBox.setButtonCell(buttonCell);
}
private ListCell<String> topicListCellFactory() {
ListCell<String> cell = new ListCell<>();
ContextMenu contextMenu = new ContextMenu();
MenuItem infoItem = new MenuItem();
infoItem.textProperty().set("describe");
infoItem.setGraphic(new FontIcon(FontAwesome.INFO));
infoItem.setOnAction(event -> showDescribeTopicDialog(selectedTopic()));
MenuItem configMessageTypesItem = new MenuItem();
configMessageTypesItem.textProperty().set("configure message types");
configMessageTypesItem.setGraphic(new FontIcon(FontAwesome.WRENCH));
configMessageTypesItem.setOnAction(event -> {
TopicMessageTypeConfig config = getTopicMessageTypeConfig(configHandler.getTopicConfigForClusterIdentifier(selectedCluster().getIdentifier()));
TopicMessageTypeConfigDialog.show(config);
configHandler.saveTopicMessageTypeConfigs(selectedCluster().getIdentifier());
});
MenuItem traceKeyItem = new MenuItem();
traceKeyItem.setGraphic(new FontIcon(FontAwesome.KEY));
traceKeyItem.textProperty().set("trace key");
traceKeyItem.setOnAction(event -> {
try {
Map<String, TopicMessageTypeConfig> configs = configHandler.getTopicConfigForClusterIdentifier(selectedCluster().getIdentifier());
TopicMessageTypeConfig topicMessageTypeConfig = getTopicMessageTypeConfig(configs);
Map<String, String> consumerConfig = configHandler.readConsumerConfigs(selectedCluster().getIdentifier());
TraceInputDialog.show(true, topicMessageTypeConfig.getKeyType() == MessageType.AVRO)
.ifPresent(traceKeyInput -> {
backGroundTaskHolder.setBackGroundTaskDescription("tracing key: " + traceKeyInput.getSearch());
Integer partition = null;
if (traceKeyInput.isFastTrace()) {
partition = getPartitionForKey(selectedTopic(), traceKeyInput.getSearch());
}
trace(topicMessageTypeConfig, consumerConfig, (ConsumerRecord cr) -> StringUtils.equals(cr.key().toString(), traceKeyInput.getSearch()), partition, traceKeyInput.getEpoch());
});
} catch (Exception e) {
ErrorAlert.show(e);
}
});
MenuItem traceInValueItem = new MenuItem();
traceInValueItem.setGraphic(new FontIcon(FontAwesome.SEARCH));
traceInValueItem.textProperty().set("trace in value");
traceInValueItem.setOnAction(event -> {
try {
Map<String, TopicMessageTypeConfig> configs = configHandler.getTopicConfigForClusterIdentifier(selectedCluster().getIdentifier());
TopicMessageTypeConfig topicMessageTypeConfig = getTopicMessageTypeConfig(configs);
Map<String, String> consumerConfig = configHandler.readConsumerConfigs(selectedCluster().getIdentifier());
TraceInputDialog.show(false, false)
.ifPresent(traceInput -> {
backGroundTaskHolder.setBackGroundTaskDescription("tracing in Value: " + traceInput.getSearch());
Pattern pattern = Pattern.compile(traceInput.getSearch());
trace(topicMessageTypeConfig, consumerConfig, (ConsumerRecord cr) -> {
Matcher matcher = pattern.matcher(cr.value().toString());
return matcher.find();
}, null, traceInput.getEpoch());
});
} catch (Exception e) {
ErrorAlert.show(e);
}
});
MenuItem deleteItem = new MenuItem();
deleteItem.setGraphic(new FontIcon(FontAwesome.TRASH));
deleteItem.textProperty().set("delete");
deleteItem.setOnAction(event -> {
if (ConfirmationAlert.show("Delete Topic", "Topic [" + cell.itemProperty().get() + "] will be marked for deletion.", "Are you sure you want to delete this topic")) {
try {
adminClient.deleteTopic(cell.itemProperty().get());
SuccessAlert.show("Delete Topic", null, "Topic [" + cell.itemProperty().get() + "] marked for deletion.");
} catch (Exception e) {
ErrorAlert.show(e);
}
}
});
contextMenu.getItems().addAll(infoItem, configMessageTypesItem, traceKeyItem, traceInValueItem, deleteItem);
cell.textProperty().bind(cell.itemProperty());
cell.emptyProperty().addListener((obs, wasEmpty, isNowEmpty) -> {
if (isNowEmpty) {
cell.setContextMenu(null);
} else {
cell.setContextMenu(contextMenu);
}
});
return cell;
}
private void refreshTopicList(ClusterConfig newValue) {
backGroundTaskHolder.setBackGroundTaskDescription("getting Topics...");
runInDaemonThread(() -> getTopicsForCluster(newValue));
}
private void getTopicsForCluster(ClusterConfig clusterConfig) {
StopWatch stopWatch = new StopWatch();
try {
stopWatch.start();
LOGGER.info("Started getting topics for cluster");
backGroundTaskHolder.setIsInProgress(true);
Platform.runLater(() -> topicListView.setItems(adminClient.getTopics()));
} finally {
stopWatch.stop();
LOGGER.info("Finished getting topics for cluster [{}]", stopWatch);
backGroundTaskHolder.backgroundTaskStopped();
}
}
@FXML
public void refreshButtonClick(ActionEvent e) {
ClusterConfig selectedCluster = selectedCluster();
if (selectedCluster != null) {
refreshTopicList(selectedCluster);
}
}
@FXML
public void createTopicButtonClick(ActionEvent e) {
showCreateTopicDialog();
}
@FXML
public void onPublishMessageClick(ActionEvent click) {
showPublishMessageDialog();
}
@FXML
public void getMessagesClick(ActionEvent event) {
try {
Map<String, TopicMessageTypeConfig> configs = configHandler.getTopicConfigForClusterIdentifier(selectedCluster().getIdentifier());
TopicMessageTypeConfig topicMessageTypeConfig = getTopicMessageTypeConfig(configs);
Map<String, String> consumerConfig = configHandler.readConsumerConfigs(selectedCluster().getIdentifier());
backGroundTaskHolder.setBackGroundTaskDescription("getting messages...");
FetchTypes fetchMode = fetchModeCombobox.getSelectionModel().getSelectedItem();
if (fetchMode == FetchTypes.OLDEST) {
getOldestMessages(topicMessageTypeConfig, consumerConfig);
} else if (fetchMode == FetchTypes.NEWEST) {
getNewestMessages(topicMessageTypeConfig, consumerConfig);
} else if (fetchMode == FetchTypes.SPECIFIC_OFFSET) {
getMessagesFromSpecificOffset(topicMessageTypeConfig, consumerConfig);
} else if (fetchMode == FetchTypes.CONTINUOUS) {
getMessagesContinuously(topicMessageTypeConfig, consumerConfig);
}
} catch (IOException e) {
ErrorAlert.show(e);
}
}
private TopicMessageTypeConfig getTopicMessageTypeConfig(Map<String, TopicMessageTypeConfig> configs) {
TopicMessageTypeConfig topicMessageTypeConfig = configs.get(selectedTopic());
if (topicMessageTypeConfig == null) {
topicMessageTypeConfig = new TopicMessageTypeConfig(selectedTopic());
configs.put(selectedTopic(), topicMessageTypeConfig);
configHandler.saveTopicMessageTypeConfigs(selectedCluster().getIdentifier());
}
return topicMessageTypeConfig;
}
@FXML
public void schemaRegistryClick(ActionEvent event) {
try {
ClusterConfig selectedConfig = selectedCluster();
if (StringUtils.isEmpty(selectedConfig.getSchemaRegistry())) {
Optional<String> input = SystemUtils.showInputDialog("http://localhost:8081", "Add schema-registry url", "this cluster config is missing a schema registry url please add it now", "schema-registry URL");
if (!input.isPresent()) {
return;
}
input.ifPresent(url -> {
selectedConfig.setSchemaRegistry(url);
configHandler.saveConfigs();
});
}
FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("/fxml/schemaRegistryBrowser.fxml"));
Parent root1 = fxmlLoader.load();
SchemaRegistryBrowserController controller = fxmlLoader.getController();
controller.setup(selectedConfig,configHandler);
Stage stage = new Stage();
stage.getIcons().add(new Image(getClass().getResourceAsStream("/icons/kafkaesque.png")));
stage.initModality(Modality.APPLICATION_MODAL);
stage.setTitle("Browse Schema Registry");
stage.setScene(Main.createStyledScene(root1, -1, -1));
stage.show();
centerStageOnControlledStage(stage);
} catch (Exception e) {
ErrorAlert.show(e);
}
}
@FXML
public void crossClusterClick(ActionEvent actionEvent) {
try {
FXMLLoader fxmlLoader = injector.getInstance(FXMLLoader.class);
fxmlLoader.setLocation(getClass().getResource("/fxml/crossClusterOperation.fxml"));
Parent root1 = fxmlLoader.load();
CrossClusterController controller = fxmlLoader.getController();
controller.setup();
Stage stage = new Stage();
stage.getIcons().add(new Image(getClass().getResourceAsStream("/icons/kafkaesque.png")));
stage.initModality(Modality.APPLICATION_MODAL);
stage.setTitle("Cross Cluster Operations");
stage.setScene(Main.createStyledScene(root1, 1000, 500));
stage.show();
centerStageOnControlledStage(stage);
} catch (Exception e) {
ErrorAlert.show(e);
}
}
@FXML
public void lagViewerClick(ActionEvent actionEvent) {
try {
FXMLLoader fxmlLoader = injector.getInstance(FXMLLoader.class);
fxmlLoader.setLocation(getClass().getResource("/fxml/lagViewer.fxml"));
Parent root1 = fxmlLoader.load();
LagViewerController controller = fxmlLoader.getController();
UUID consumerId = consumerHandler.registerConsumer(selectedCluster(), new TopicMessageTypeConfig(), new HashMap<>());
KafkaConsumer consumer = consumerHandler.getConsumer(consumerId).orElseThrow(() -> new RuntimeException("Error getting consumer"));
controller.setup(adminClient, consumer);
Stage stage = new Stage();
stage.getIcons().add(new Image(getClass().getResourceAsStream("/icons/kafkaesque.png")));
stage.initOwner(controlledStage);
stage.initModality(Modality.NONE);
stage.setTitle("Lag Viewer - " + selectedCluster().getIdentifier());
stage.setScene(Main.createStyledScene(root1, 1000, 500));
stage.show();
centerStageOnControlledStage(stage);
stage.setOnCloseRequest(windowEvent -> {
controller.stop();
consumerHandler.deregisterConsumer(consumerId);
});
} catch (Exception e) {
ErrorAlert.show(e);
}
}
private void getOldestMessages(TopicMessageTypeConfig topic, Map<String, String> consumerConfig) {
runInDaemonThread(() -> {
UUID consumerId = null;
try {
consumerId = consumerHandler.registerConsumer(selectedCluster(), topic, consumerConfig);
} catch (MissingSchemaRegistryException e) {
Platform.runLater(() -> ErrorAlert.show(e));
return;
}
try {
Map<Integer, AtomicLong> messagesConsumed = new HashMap<>();
Platform.runLater(() -> backGroundTaskHolder.setBackGroundTaskDescription("preparing consumer..."));
backGroundTaskHolder.setIsInProgress(true);
consumerHandler.subscribe(consumerId, selectedTopic());
Map<TopicPartition, Long> minOffsets = consumerHandler.getMinOffsets(consumerId);
Map<TopicPartition, Long> maxOffsets = consumerHandler.getMaxOffsets(consumerId);
consumerHandler.seekToOffset(consumerId, -1);
Map<TopicPartition, Long> currentOffsets = consumerHandler.getCurrentOffsets(consumerId);
//baseList.clear();
PinTab tab = getActiveTabOrAddNew(topic, false);
ObservableList<KafkaMessage> baseList = getAndClearBaseList(tab);
Platform.runLater(() -> backGroundTaskHolder.setBackGroundTaskDescription("getting messages..."));
consumerHandler.getConsumer(consumerId).ifPresent(topicConsumer -> {
while (!backGroundTaskHolder.getStopBackGroundTask() && !reachedMaxOffsetForAllPartitionsOrGotEnoughMessages(maxOffsets, minOffsets, currentOffsets, messagesConsumed, getNumberOfMessagesToConsume())) {
receiveMessages(messagesConsumed, currentOffsets, topicConsumer, getNumberOfMessagesToConsume(), baseList);
}
});
} finally {
consumerHandler.deregisterConsumer(consumerId);
backGroundTaskHolder.backgroundTaskStopped();
}
});
}
private ObservableList<KafkaMessage> getAndClearBaseList(PinTab tab) {
if(tab == null){
return null;
}
ObservableList<KafkaMessage> baseList = ((MessagesTabContent) tab.getContent()).getMessageTableView().getBaseList();
baseList.clear();
return baseList;
}
private PinTab getActiveTabOrAddNew(TopicMessageTypeConfig topic, boolean isTrace) {
PinTab tab;
PinTab selectedTab = (PinTab) messageTabPane.getSelectionModel().getSelectedItem();
String name = isTrace ? "trace " + topic.getName() : topic.getName();
if (selectedTab == null || selectedTab.isPinned()) {
tab = createTab(selectedCluster(), name);
Platform.runLater(() -> messageTabPane.getTabs().add(tab));
} else {
tab = selectedTab;
updateTabName(tab, selectedCluster(), name);
}
return tab;
}
private long getNumberOfMessagesToConsume() {
return Long.parseLong(numberOfMessagesToGetField.getText());
}
private <KT, VT> void receiveMessages(Map<Integer, AtomicLong> messagesConsumedPerPartition, Map<TopicPartition, Long> currentOffsets, KafkaConsumer topicConsumer, long numberToConsume, ObservableList<KafkaMessage> baseList) {
ConsumerRecords<KT, VT> records = topicConsumer.poll(Duration.ofSeconds(1));
records.forEach(record -> {
long numberConsumed = messagesConsumedPerPartition.computeIfAbsent(record.partition(), key -> new AtomicLong(0)).get();
currentOffsets.put(new TopicPartition(record.topic(), record.partition()), record.offset());
if (numberConsumed < numberToConsume) {
convertAndAdd(record, baseList);
messagesConsumedPerPartition.computeIfAbsent(record.partition(), key -> new AtomicLong(0)).incrementAndGet();
}
});
Platform.runLater(() -> backGroundTaskHolder.setProgressMessage(String.format("Consumed %s messages", messagesConsumedPerPartition.values().stream().mapToLong(AtomicLong::get).sum())));
}
private void getNewestMessages(TopicMessageTypeConfig topic, Map<String, String> consumerConfig) {
runInDaemonThread(() -> {
UUID tempconsumerId = null;
try {
tempconsumerId = consumerHandler.registerConsumer(selectedCluster(), topic, consumerConfig);
} catch (MissingSchemaRegistryException e) {
Platform.runLater(() -> ErrorAlert.show(e));
return;
}
UUID consumerId = tempconsumerId;
try {
Map<Integer, AtomicLong> messagesConsumed = new HashMap<>();
Platform.runLater(() -> backGroundTaskHolder.setBackGroundTaskDescription("preparing consumer..."));
backGroundTaskHolder.setIsInProgress(true);
consumerHandler.subscribe(consumerId, topic.getName());
Map<TopicPartition, Long> minOffsets = consumerHandler.getMinOffsets(consumerId);
Map<TopicPartition, Long> maxOffsets = consumerHandler.getMaxOffsets(consumerId);
maxOffsets.forEach((topicPartition, maxOffset) -> {
long numberToLookBack = getNumberOfMessagesToConsume();
consumerHandler.getConsumer(consumerId).ifPresent(topicConsumer -> {
long offsetToSeekTo = maxOffset - numberToLookBack;
if (offsetToSeekTo > 0) {
Long minOffset = minOffsets.get(topicPartition);
if (offsetToSeekTo < minOffset) {
topicConsumer.seek(topicPartition, minOffset);
} else {
topicConsumer.seek(topicPartition, offsetToSeekTo);
}
} else {
topicConsumer.seekToBeginning(Collections.singletonList(topicPartition));
}
});
});
Map<TopicPartition, Long> currentOffsets = consumerHandler.getCurrentOffsets(consumerId);
PinTab tab = getActiveTabOrAddNew(topic, false);
ObservableList<KafkaMessage> baseList = getAndClearBaseList(tab);
Platform.runLater(() -> backGroundTaskHolder.setBackGroundTaskDescription("getting messages..."));
consumerHandler.getConsumer(consumerId).ifPresent(topicConsumer -> {
while (!backGroundTaskHolder.getStopBackGroundTask() && !reachedMaxOffsetForAllPartitions(maxOffsets, minOffsets, currentOffsets)) {
receiveMessages(messagesConsumed, currentOffsets, topicConsumer, getNumberOfMessagesToConsume(), baseList);
}
});
} finally {
consumerHandler.deregisterConsumer(consumerId);
backGroundTaskHolder.backgroundTaskStopped();
}
});
}
private <KT, VT> void getMessagesContinuously(TopicMessageTypeConfig topic, Map<String, String> consumerConfig) {
UUID tempconsumerId = null;
try {
tempconsumerId = consumerHandler.registerConsumer(selectedCluster(), topic, consumerConfig);
} catch (MissingSchemaRegistryException e) {
Platform.runLater(() -> ErrorAlert.show(e));
return;
}
UUID consumerId = tempconsumerId;
runInDaemonThread(() -> {
try {
AtomicLong messagesConsumed = new AtomicLong(0);
backGroundTaskHolder.setIsInProgress(true);
consumerHandler.subscribe(consumerId, selectedTopic());
consumerHandler.seekToOffset(consumerId, -2);
PinTab tab = getActiveTabOrAddNew(topic, false);
ObservableList<KafkaMessage> baseList = getAndClearBaseList(tab);
consumerHandler.getConsumer(consumerId).ifPresent(topicConsumer -> {
while (!backGroundTaskHolder.getStopBackGroundTask()) {
ConsumerRecords<KT, VT> records = topicConsumer.poll(Duration.ofSeconds(1));
records.forEach(cr -> {
messagesConsumed.incrementAndGet();
convertAndAdd(cr, baseList);
});
Platform.runLater(() -> backGroundTaskHolder.setProgressMessage(String.format("Consumed %s messages", messagesConsumed)));
}
});
} finally {
consumerHandler.deregisterConsumer(consumerId);
backGroundTaskHolder.backgroundTaskStopped();
}
});
}
private <KT, VT> void trace(TopicMessageTypeConfig topic, Map<String, String> consumerConfig, Predicate<ConsumerRecord> predicate, Integer fasttracePartition, Long epoch) {
runInDaemonThread(() -> {
UUID consumerId = null;
try {
consumerId = consumerHandler.registerConsumer(selectedCluster(), topic, consumerConfig);
} catch (MissingSchemaRegistryException e) {
Platform.runLater(() -> ErrorAlert.show(e));
return;
}
try {
backGroundTaskHolder.setIsInProgress(true);
if (fasttracePartition != null) {
consumerHandler.getConsumer(consumerId).ifPresent(topicConsumer -> topicConsumer.assign(Collections.singletonList(new TopicPartition(selectedTopic(), fasttracePartition))));
} else {
consumerHandler.subscribe(consumerId, selectedTopic());
}
AtomicLong messagesConsumed = new AtomicLong(0);
AtomicLong messagesFound = new AtomicLong(0);
Map<TopicPartition, Long> minOffsets = consumerHandler.getMinOffsets(consumerId);
Map<TopicPartition, Long> maxOffsets = consumerHandler.getMaxOffsets(consumerId);
if (epoch != null) {
consumerHandler.seekToTime(consumerId, epoch);
} else {
consumerHandler.seekToOffset(consumerId, -1);
}
PinTab tab = getActiveTabOrAddNew(topic, true);
ObservableList<KafkaMessage> baseList = getAndClearBaseList(tab);
Map<TopicPartition, Long> currentOffsets = new HashMap<>();
consumerHandler.getConsumer(consumerId).ifPresent(topicConsumer -> {
while (!backGroundTaskHolder.getStopBackGroundTask() && !reachedMaxOffsetForAllPartitions(maxOffsets, minOffsets, currentOffsets)) {
ConsumerRecords<KT, VT> records = topicConsumer.poll(Duration.ofSeconds(1));
records.forEach(cr -> {
messagesConsumed.incrementAndGet();
currentOffsets.put(new TopicPartition(cr.topic(), cr.partition()), cr.offset());
if (predicate.test(cr)) {
convertAndAdd(cr, baseList);
messagesFound.incrementAndGet();
}
});
Platform.runLater(() -> backGroundTaskHolder.setProgressMessage(String.format("Found %s in %s consumed Messages", messagesFound, messagesConsumed)));
}
});
} finally {
consumerHandler.deregisterConsumer(consumerId);
backGroundTaskHolder.backgroundTaskStopped();
}
});
}
private int getPartitionForKey(String topic, String key) {
DescribeTopicWrapper topicDescription = adminClient.describeTopic(topic);
int numberOfPartitions = topicDescription.getTopicDescription().partitions().size();
try {
return Utils.toPositive(Utils.murmur2(key.getBytes("UTF-8"))) % numberOfPartitions;
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
private <KT, VT> void convertAndAdd(ConsumerRecord<KT, VT> cr, ObservableList<KafkaMessage> baseList) {
KafkaMessage kafkaMessage = new KafkaMessage();
kafkaMessage.setOffset(cr.offset());
kafkaMessage.setPartition(cr.partition());
kafkaMessage.setKey(cr.key() == null ? null : cr.key().toString());
kafkaMessage.setValue(cr.value() == null ? null : cr.value().toString());
kafkaMessage.setTimestamp(Instant.ofEpochMilli(cr.timestamp()).toString());
kafkaMessage.setHeaders(FXCollections.observableArrayList(cr.headers().toArray()));
Platform.runLater(() -> baseList.add(kafkaMessage));
}
private void getMessagesFromSpecificOffset(TopicMessageTypeConfig topic, Map<String, String> consumerConfig) {
runInDaemonThread(() -> {
UUID consumerId = null;
try {
consumerId = consumerHandler.registerConsumer(selectedCluster(), topic, consumerConfig);
} catch (MissingSchemaRegistryException e) {
ErrorAlert.show(e);
return;
}
try {
Map<Integer, AtomicLong> messagesConsumed = new HashMap<>();
long specifiedOffset = Long.parseLong(specificOffsetTextField.getText());
Platform.runLater(() -> backGroundTaskHolder.setBackGroundTaskDescription("preparing consumer..."));
backGroundTaskHolder.setIsInProgress(true);
consumerHandler.subscribe(consumerId, selectedTopic());
Map<TopicPartition, Long> minOffsets = consumerHandler.getMinOffsets(consumerId);
Map<TopicPartition, Long> maxOffsets = consumerHandler.getMaxOffsets(consumerId);
consumerHandler.seekToOffset(consumerId, specifiedOffset);
PinTab tab = getActiveTabOrAddNew(topic, false);
ObservableList<KafkaMessage> baseList = getAndClearBaseList(tab);
Map<TopicPartition, Long> currentOffsets = consumerHandler.getCurrentOffsets(consumerId);
Platform.runLater(() -> backGroundTaskHolder.setBackGroundTaskDescription("getting messages..."));
consumerHandler.getConsumer(consumerId).ifPresent(topicConsumer -> {
while (!backGroundTaskHolder.getStopBackGroundTask() && !reachedMaxOffsetForAllPartitionsOrGotEnoughMessages(maxOffsets, minOffsets, currentOffsets, messagesConsumed, getNumberOfMessagesToConsume())) {
receiveMessages(messagesConsumed, currentOffsets, topicConsumer, getNumberOfMessagesToConsume(), baseList);
}
});
} finally {
consumerHandler.deregisterConsumer(consumerId);
backGroundTaskHolder.backgroundTaskStopped();
}
});
}
private boolean reachedMaxOffsetForAllPartitions
(Map<TopicPartition, Long> maxOffsets, Map<TopicPartition, Long> minOffsets, Map<TopicPartition, Long> currentOffsets) {
return maxOffsets.entrySet().stream()
.noneMatch(maxOffset -> (maxOffset.getValue() > -1 && maxOffset.getValue() > minOffsets.get(maxOffset.getKey()) && (currentOffsets.get(maxOffset.getKey()) == null || (maxOffset.getValue() - 1 > (currentOffsets.get(maxOffset.getKey()) == null ? 0L : currentOffsets.get(maxOffset.getKey()))))));
}
private boolean reachedMaxOffsetForAllPartitionsOrGotEnoughMessages
(Map<TopicPartition, Long> maxOffsets, Map<TopicPartition, Long> minOffsets, Map<TopicPartition, Long> currentOffsets, Map<Integer, AtomicLong> messagesConsumedPerPartition, long numberOfMessagesToConsume) {
return maxOffsets.entrySet().stream().noneMatch(maxOffset -> {
AtomicLong atomicLong = messagesConsumedPerPartition.get(maxOffset.getKey().partition());
boolean notEnoughMessagesConsumed = (atomicLong == null ? 0L : atomicLong.get()) < numberOfMessagesToConsume;
boolean notReachedMaxOffset = maxOffset.getValue() > -1 && maxOffset.getValue() > minOffsets.get(maxOffset.getKey()) && (currentOffsets.get(maxOffset.getKey()) == null || (maxOffset.getValue() - 1 > currentOffsets.get(maxOffset.getKey())));
return notReachedMaxOffset && notEnoughMessagesConsumed;
});
}
@FXML
public void addClusterConfigClick(ActionEvent event) {
ClusterConfigDialog.show().ifPresent(cc -> {
clusterComboBox.getItems().add(cc);
configHandler.saveConfigs();
});
}
@FXML
public void deleteClusterConfigsClick(ActionEvent event) {
ObservableList<ClusterConfig> clusterConfigs = clusterComboBox.getItems();
DeleteClustersDialog.show(clusterConfigs)
.ifPresent(deletedClusterConfigs -> {
StringBuilder builder = new StringBuilder();
deletedClusterConfigs.forEach(config -> builder.append(config.toString()).append(System.lineSeparator()));
if (ConfirmationAlert.show("Deleting cluster configs", "The following configs will be permanently deleted:", builder.toString())) {
clusterConfigs.removeAll(deletedClusterConfigs);
configHandler.saveConfigs();
}
});
}
@FXML
public void editClusterConfigsClick(ActionEvent actionEvent) {
ClusterConfigDialog.show(selectedCluster()).ifPresent(clusterConfig -> configHandler.saveConfigs());
}
@FXML
public void stopPolling(ActionEvent event) {
backGroundTaskHolder.setStopBackGroundTask(true);
backGroundTaskHolder.setBackGroundTaskDescription("stop polling");
}
private void showPublishMessageDialog(KafkaMessage kafkaMessage) {
try {
List<Integer> partitions = adminClient.getTopicPatitions(selectedTopic());
FXMLLoader fxmlLoader = injector.getInstance(FXMLLoader.class);
fxmlLoader.setLocation(getClass().getResource("/fxml/publishMessage.fxml"));
Parent root1 = fxmlLoader.load();
PublisherController controller = fxmlLoader.getController();
controller.setup(selectedCluster(), selectedTopic(), FXCollections.observableArrayList(partitions), kafkaMessage);
Stage stage = new Stage();
stage.getIcons().add(new Image(getClass().getResourceAsStream("/icons/kafkaesque.png")));
stage.initOwner(controlledStage);
stage.initModality(Modality.APPLICATION_MODAL);
stage.setTitle("Publish Message");
stage.setScene(Main.createStyledScene(root1, -1, -1));
stage.setOnCloseRequest(event -> controller.cleanup());
stage.show();
centerStageOnControlledStage(stage);
} catch (Exception e) {
ErrorAlert.show(e);
}
}
private void showPublishMessageDialog() {
showPublishMessageDialog(null);
}
private void showCreateTopicDialog() {
try {
FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("/fxml/createTopic.fxml"));
Parent root1 = fxmlLoader.load();
CreateTopicController controller = fxmlLoader.getController();
controller.setup(adminClient);
Stage stage = new Stage();
stage.getIcons().add(new Image(getClass().getResourceAsStream("/icons/kafkaesque.png")));
stage.initModality(Modality.APPLICATION_MODAL);
stage.setTitle("Create Topic");
stage.setScene(Main.createStyledScene(root1, -1, -1));
stage.show();
centerStageOnControlledStage(stage);
} catch (Exception e) {
ErrorAlert.show(e);
}
}
private void showDescribeTopicDialog(String topic) {
try {
FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("/fxml/describeTopic.fxml"));
Parent root1 = fxmlLoader.load();
DescribeTopicController controller = fxmlLoader.getController();
controller.setup(adminClient.describeTopic(topic));
Stage stage = new Stage();
stage.getIcons().add(new Image(getClass().getResourceAsStream("/icons/kafkaesque.png")));
stage.initModality(Modality.APPLICATION_MODAL);
stage.setTitle("Topic Description");
Scene styledScene = Main.createStyledScene(root1, -1, -1);
stage.setScene(styledScene);
stage.show();
centerStageOnControlledStage(stage);
} catch (Exception e) {
ErrorAlert.show(e);
}
}
private void setUpLoadingIndicator() {
backgroundTaskDescription.textProperty().bind(backGroundTaskHolder.backGroundTaskDescriptionProperty());
loadingIndicator.visibleProperty().bind(backGroundTaskHolder.isInProgressProperty());
backgroundTaskDescription.visibleProperty().bind(backGroundTaskHolder.isInProgressProperty());
taskProgressLabel.textProperty().bind(backGroundTaskHolder.progressMessageProperty());
}
private void runInDaemonThread(Runnable runnable) {
backGroundTaskHolder.setProgressMessage(null);
Thread daemonThread = new Thread(runnable);
daemonThread.setDaemon(true);
daemonThread.start();
}
// Experimental Area
@FXML
public void applyTopicTemplatesClick(ActionEvent event) {
FileChooser fileChooser = new FileChooser();
fileChooser.setTitle("Open Topic Templates File");
fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter("YAML File (*.yaml, *.yml)", "*.yaml", "*.yml"));
File selectedFile = fileChooser.showOpenDialog(controlledStage);
if (selectedFile != null) {
Optional<Pair<Integer, Short>> input = TopicTemplatePartitionAndReplicationInputDialog.show();