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158
...jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/ConsoleTracker.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| /* | ||
| * VM-Operator | ||
| * Copyright (C) 2024 Michael N. Lipp | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as | ||
| * published by the Free Software Foundation, either version 3 of the | ||
| * License, or (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package org.jdrupes.vmoperator.runner.qemu; | ||
|
|
||
| import com.google.gson.JsonObject; | ||
| import io.kubernetes.client.apimachinery.GroupVersionKind; | ||
| import io.kubernetes.client.openapi.ApiException; | ||
| import io.kubernetes.client.openapi.models.EventsV1Event; | ||
| import java.io.IOException; | ||
| import java.util.logging.Level; | ||
| import static org.jdrupes.vmoperator.common.Constants.APP_NAME; | ||
| import static org.jdrupes.vmoperator.common.Constants.VM_OP_GROUP; | ||
| import static org.jdrupes.vmoperator.common.Constants.VM_OP_KIND_VM; | ||
| import org.jdrupes.vmoperator.common.K8s; | ||
| import org.jdrupes.vmoperator.common.K8sClient; | ||
| import org.jdrupes.vmoperator.common.VmDefinitionStub; | ||
| import org.jdrupes.vmoperator.runner.qemu.events.Exit; | ||
| import org.jdrupes.vmoperator.runner.qemu.events.SpiceDisconnectedEvent; | ||
| import org.jdrupes.vmoperator.runner.qemu.events.SpiceInitializedEvent; | ||
| import org.jgrapes.core.Channel; | ||
| import org.jgrapes.core.annotation.Handler; | ||
| import org.jgrapes.core.events.Start; | ||
|
|
||
| /** | ||
| * A (sub)component that updates the console status in the CR status. | ||
| * Created as child of {@link StatusUpdater}. | ||
| */ | ||
| @SuppressWarnings("PMD.DataflowAnomalyAnalysis") | ||
| public class ConsoleTracker extends VmDefUpdater { | ||
|
|
||
| private VmDefinitionStub vmStub; | ||
| private String mainChannelClientHost; | ||
| private long mainChannelClientPort; | ||
|
|
||
| /** | ||
| * Instantiates a new status updater. | ||
| * | ||
| * @param componentChannel the component channel | ||
| */ | ||
| @SuppressWarnings("PMD.ConstructorCallsOverridableMethod") | ||
| public ConsoleTracker(Channel componentChannel) { | ||
| super(componentChannel); | ||
| apiClient = (K8sClient) io.kubernetes.client.openapi.Configuration | ||
| .getDefaultApiClient(); | ||
| } | ||
|
|
||
| /** | ||
| * Handle the start event. | ||
| * | ||
| * @param event the event | ||
| * @throws IOException | ||
| * @throws ApiException | ||
| */ | ||
| @Handler | ||
| public void onStart(Start event) { | ||
| if (namespace == null) { | ||
| return; | ||
| } | ||
| try { | ||
| vmStub = VmDefinitionStub.get(apiClient, | ||
| new GroupVersionKind(VM_OP_GROUP, "", VM_OP_KIND_VM), | ||
| namespace, vmName); | ||
| } catch (ApiException e) { | ||
| logger.log(Level.SEVERE, e, | ||
| () -> "Cannot access VM object, terminating."); | ||
| event.cancel(true); | ||
| fire(new Exit(1)); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * On spice connected. | ||
| * | ||
| * @param event the event | ||
| * @throws ApiException the api exception | ||
| */ | ||
| @Handler | ||
| @SuppressWarnings({ "PMD.AvoidLiteralsInIfCondition", | ||
| "PMD.AvoidDuplicateLiterals" }) | ||
| public void onSpiceInitialized(SpiceInitializedEvent event) | ||
| throws ApiException { | ||
| if (vmStub == null) { | ||
| return; | ||
| } | ||
|
|
||
| // Only process connections using main channel. | ||
| if (event.channelType() != 1) { | ||
| return; | ||
| } | ||
| mainChannelClientHost = event.clientHost(); | ||
| mainChannelClientPort = event.clientPort(); | ||
| vmStub.updateStatus(from -> { | ||
| JsonObject status = from.status(); | ||
| status.addProperty("consoleClient", event.clientHost()); | ||
| updateCondition(from, status, "ConsoleConnected", true, "Connected", | ||
| "Connection from " + event.clientHost()); | ||
| return status; | ||
| }); | ||
|
|
||
| // Log event | ||
| var evt = new EventsV1Event() | ||
| .reportingController(VM_OP_GROUP + "/" + APP_NAME) | ||
| .action("ConsoleConnectionUpdate") | ||
| .reason("Connection from " + event.clientHost()); | ||
| K8s.createEvent(apiClient, vmStub.model().get(), evt); | ||
| } | ||
|
|
||
| /** | ||
| * On spice disconnected. | ||
| * | ||
| * @param event the event | ||
| * @throws ApiException the api exception | ||
| */ | ||
| @Handler | ||
| @SuppressWarnings("PMD.AvoidDuplicateLiterals") | ||
| public void onSpiceDisconnected(SpiceDisconnectedEvent event) | ||
| throws ApiException { | ||
| if (vmStub == null) { | ||
| return; | ||
| } | ||
|
|
||
| // Only process disconnects from main channel. | ||
| if (!event.clientHost().equals(mainChannelClientHost) | ||
| || event.clientPort() != mainChannelClientPort) { | ||
| return; | ||
| } | ||
| vmStub.updateStatus(from -> { | ||
| JsonObject status = from.status(); | ||
| status.addProperty("consoleClient", ""); | ||
| updateCondition(from, status, "ConsoleConnected", false, | ||
| "Disconnected", event.clientHost() + " has disconnected"); | ||
| return status; | ||
| }); | ||
|
|
||
| // Log event | ||
| var evt = new EventsV1Event() | ||
| .reportingController(VM_OP_GROUP + "/" + APP_NAME) | ||
| .action("ConsoleConnectionUpdate") | ||
| .reason("Disconnected from " + event.clientHost()); | ||
| K8s.createEvent(apiClient, vmStub.model().get(), evt); | ||
| } | ||
| } |
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