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Auto-forward all ports served from Gitpod when using JetBrains IDEs
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...d-plugin/src/main/kotlin/io/gitpod/jetbrains/remote/latest/GitpodPortForwardingService.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| // Copyright (c) 2022 Gitpod GmbH. All rights reserved. | ||
| // Licensed under the GNU Affero General Public License (AGPL). | ||
| // See License-AGPL.txt in the project root for license information. | ||
|
|
||
| package io.gitpod.jetbrains.remote.latest | ||
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||
| import com.intellij.openapi.diagnostic.thisLogger | ||
| import com.intellij.openapi.project.Project | ||
| import com.intellij.remoteDev.util.onTerminationOrNow | ||
| import com.intellij.util.application | ||
| import com.jetbrains.codeWithMe.model.RdPortType | ||
| import com.jetbrains.rd.platform.util.lifetime | ||
| import com.jetbrains.rd.util.lifetime.LifetimeStatus | ||
| import com.jetbrains.rdserver.portForwarding.ForwardedPortInfo | ||
| import com.jetbrains.rdserver.portForwarding.PortForwardingManager | ||
| import com.jetbrains.rdserver.portForwarding.remoteDev.PortEventsProcessor | ||
| import io.gitpod.jetbrains.remote.GitpodManager | ||
| import io.gitpod.supervisor.api.Status | ||
| import io.gitpod.supervisor.api.StatusServiceGrpc | ||
| import io.grpc.stub.ClientCallStreamObserver | ||
| import io.grpc.stub.ClientResponseObserver | ||
| import io.ktor.utils.io.* | ||
| import java.util.concurrent.CompletableFuture | ||
| import java.util.concurrent.TimeUnit | ||
|
|
||
| @Suppress("UnstableApiUsage") | ||
| class GitpodPortForwardingService(private val project: Project) { | ||
| companion object { | ||
| const val FORWARDED_PORT_LABEL = "gitpod" | ||
| } | ||
|
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| init { start() } | ||
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| private fun start() { | ||
| if (application.isHeadlessEnvironment) return | ||
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| observePortsListWhileProjectIsOpen() | ||
| } | ||
|
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| private fun observePortsListWhileProjectIsOpen() = application.executeOnPooledThread { | ||
| while (project.lifetime.status == LifetimeStatus.Alive) { | ||
| try { | ||
| observePortsList().get() | ||
| } catch (throwable: Throwable) { | ||
| when (throwable) { | ||
| is InterruptedException, is CancellationException -> break | ||
| else -> thisLogger().error( | ||
| "gitpod: Got an error while trying to get ports list from Supervisor. " + | ||
| "Will try again in 1 second.", | ||
| throwable | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| TimeUnit.SECONDS.sleep(1) | ||
| } | ||
| } | ||
|
|
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| private fun observePortsList(): CompletableFuture<Void> { | ||
| val completableFuture = CompletableFuture<Void>() | ||
|
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| val statusServiceStub = StatusServiceGrpc.newStub(GitpodManager.supervisorChannel) | ||
|
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| val portsStatusRequest = Status.PortsStatusRequest.newBuilder().setObserve(true).build() | ||
|
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| val portsStatusResponseObserver = object : | ||
| ClientResponseObserver<Status.PortsStatusRequest, Status.PortsStatusResponse> { | ||
| override fun beforeStart(request: ClientCallStreamObserver<Status.PortsStatusRequest>) { | ||
| project.lifetime.onTerminationOrNow { request.cancel("gitpod: Project terminated.", null) } | ||
| } | ||
| override fun onNext(response: Status.PortsStatusResponse) { handlePortStatusResponse(response) } | ||
| override fun onCompleted() { completableFuture.complete(null) } | ||
| override fun onError(throwable: Throwable) { completableFuture.completeExceptionally(throwable) } | ||
| } | ||
|
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| statusServiceStub.portsStatus(portsStatusRequest, portsStatusResponseObserver) | ||
|
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| return completableFuture | ||
| } | ||
|
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| private fun handlePortStatusResponse(response: Status.PortsStatusResponse) { | ||
| val portNumberToServedStatusMap = mutableMapOf<Int, Boolean>() | ||
|
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| for (port in response.portsList) { | ||
| val isServed = (port.exposed != null || port.tunneled != null) && port.served | ||
|
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| portNumberToServedStatusMap[port.localPort] = isServed | ||
| } | ||
|
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| updateForwardedPortsList(portNumberToServedStatusMap) | ||
| } | ||
|
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| private fun updateForwardedPortsList(portNumberToServedStatusMap: Map<Int, Boolean>) { | ||
| val portForwardingManager = PortForwardingManager.getInstance(project) | ||
| val forwardedPortsList = portForwardingManager.getForwardedPortsWithLabel(FORWARDED_PORT_LABEL) | ||
|
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| portNumberToServedStatusMap.forEach { (hostPort, isServed) -> | ||
| if (isServed && !forwardedPortsList.containsKey(hostPort)) { | ||
| val portEventsProcessor = object : PortEventsProcessor { | ||
| override fun onPortForwarded(hostPort: Int, clientPort: Int) { | ||
| thisLogger().info("gitpod: Forwarded port $hostPort to client's port $clientPort.") | ||
| } | ||
|
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| override fun onPortForwardingFailed(hostPort: Int, reason: String) { | ||
| thisLogger().error("gitpod: Failed to forward port $hostPort: $reason") | ||
| } | ||
| } | ||
|
|
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| val portInfo = ForwardedPortInfo( | ||
| hostPort, | ||
| RdPortType.HTTP, | ||
| FORWARDED_PORT_LABEL, | ||
| emptyList(), | ||
| portEventsProcessor | ||
| ) | ||
|
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| portForwardingManager.forwardPort(portInfo) | ||
| } | ||
|
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| if (!isServed && forwardedPortsList.containsKey(hostPort)) { | ||
| portForwardingManager.removePort(hostPort) | ||
| thisLogger().info("gitpod: Stopped forwarding port $hostPort.") | ||
| } | ||
| } | ||
| } | ||
| } |
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