cs-codex-dist-tests/CodexPlugin/CodexNode.cs

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using Core;
using FileUtils;
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using GethPlugin;
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using KubernetesWorkflow;
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using Logging;
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using MetricsPlugin;
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using NUnit.Framework;
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using Utils;
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namespace CodexPlugin
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{
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public interface ICodexNode : IHasContainer, IHasMetricsScrapeTarget, IHasEthAddress
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{
string GetName();
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CodexDebugResponse GetDebugInfo();
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CodexDebugPeerResponse GetDebugPeer(string peerId);
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ContentId UploadFile(TrackedFile file);
TrackedFile? DownloadContent(ContentId contentId, string fileLabel = "");
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void ConnectToPeer(ICodexNode node);
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CodexDebugVersionResponse Version { get; }
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IMarketplaceAccess Marketplace { get; }
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void Stop();
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}
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public class CodexNode : ICodexNode
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{
private const string SuccessfullyConnectedMessage = "Successfully connected to peer";
private const string UploadFailedMessage = "Unable to store block";
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private readonly IPluginTools tools;
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private readonly IEthAddress? ethAddress;
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public CodexNode(IPluginTools tools, CodexAccess codexAccess, CodexNodeGroup group, IMarketplaceAccess marketplaceAccess, IEthAddress? ethAddress)
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{
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this.tools = tools;
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this.ethAddress = ethAddress;
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CodexAccess = codexAccess;
Group = group;
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Marketplace = marketplaceAccess;
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Version = new CodexDebugVersionResponse();
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}
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public RunningContainer Container { get { return CodexAccess.Container; } }
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public CodexAccess CodexAccess { get; }
public CodexNodeGroup Group { get; }
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public IMarketplaceAccess Marketplace { get; }
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public CodexDebugVersionResponse Version { get; private set; }
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public IMetricsScrapeTarget MetricsScrapeTarget
{
get
{
var port = CodexAccess.Container.Recipe.GetPortByTag(CodexContainerRecipe.MetricsPortTag);
if (port == null) throw new Exception("Metrics is not available for this Codex node. Please start it with the option '.EnableMetrics()' to enable it.");
return new MetricsScrapeTarget(CodexAccess.Container, port);
}
}
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public IEthAddress EthAddress
{
get
{
if (ethAddress == null) throw new Exception("Marketplace is not enabled for this Codex node. Please start it with the option '.EnableMarketplace(...)' to enable it.");
return ethAddress;
}
}
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public string GetName()
{
return CodexAccess.Container.Name;
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}
public CodexDebugResponse GetDebugInfo()
{
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var debugInfo = CodexAccess.GetDebugInfo();
var known = string.Join(",", debugInfo.table.nodes.Select(n => n.peerId));
Log($"Got DebugInfo with id: '{debugInfo.id}'. This node knows: {known}");
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return debugInfo;
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}
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public CodexDebugPeerResponse GetDebugPeer(string peerId)
{
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return CodexAccess.GetDebugPeer(peerId);
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}
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public ContentId UploadFile(TrackedFile file)
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{
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using var fileStream = File.OpenRead(file.Filename);
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var logMessage = $"Uploading file {file.Describe()}...";
Log(logMessage);
var response = Stopwatch.Measure(tools.GetLog(), logMessage, () =>
{
return CodexAccess.UploadFile(fileStream);
});
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if (string.IsNullOrEmpty(response)) Assert.Fail("Received empty response.");
if (response.StartsWith(UploadFailedMessage)) Assert.Fail("Node failed to store block.");
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Log($"Uploaded file. Received contentId: '{response}'.");
return new ContentId(response);
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}
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public TrackedFile? DownloadContent(ContentId contentId, string fileLabel = "")
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{
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var logMessage = $"Downloading for contentId: '{contentId.Id}'...";
Log(logMessage);
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var file = tools.GetFileManager().CreateEmptyFile(fileLabel);
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Stopwatch.Measure(tools.GetLog(), logMessage, () => DownloadToFile(contentId.Id, file));
Log($"Downloaded file {file.Describe()} to '{file.Filename}'.");
return file;
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}
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public void ConnectToPeer(ICodexNode node)
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{
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var peer = (CodexNode)node;
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Log($"Connecting to peer {peer.GetName()}...");
var peerInfo = node.GetDebugInfo();
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var response = CodexAccess.ConnectToPeer(peerInfo.id, GetPeerMultiAddress(peer, peerInfo));
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Assert.That(response, Is.EqualTo(SuccessfullyConnectedMessage), "Unable to connect codex nodes.");
Log($"Successfully connected to peer {peer.GetName()}.");
}
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public void Stop()
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{
if (Group.Count() > 1) throw new InvalidOperationException("Codex-nodes that are part of a group cannot be " +
"individually shut down. Use 'BringOffline()' on the group object to stop the group. This method is only " +
"available for codex-nodes in groups of 1.");
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Group.BringOffline();
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}
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public void EnsureOnlineGetVersionResponse()
{
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var debugInfo = Time.Retry(CodexAccess.GetDebugInfo, "ensure online");
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var nodePeerId = debugInfo.id;
var nodeName = CodexAccess.Container.Name;
if (!debugInfo.codex.IsValid())
{
throw new Exception($"Invalid version information received from Codex node {GetName()}: {debugInfo.codex}");
}
//lifecycle.Log.AddStringReplace(nodePeerId, nodeName);
//lifecycle.Log.AddStringReplace(debugInfo.table.localNode.nodeId, nodeName);
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Version = debugInfo.codex;
}
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private string GetPeerMultiAddress(CodexNode peer, CodexDebugResponse peerInfo)
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{
var multiAddress = peerInfo.addrs.First();
// Todo: Is there a case where First address in list is not the way?
// The peer we want to connect is in a different pod.
// We must replace the default IP with the pod IP in the multiAddress.
return multiAddress.Replace("0.0.0.0", peer.CodexAccess.Container.Pod.PodInfo.Ip);
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}
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private void DownloadToFile(string contentId, TrackedFile file)
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{
using var fileStream = File.OpenWrite(file.Filename);
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try
{
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using var downloadStream = CodexAccess.DownloadFile(contentId);
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downloadStream.CopyTo(fileStream);
}
catch
{
Log($"Failed to download file '{contentId}'.");
throw;
}
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}
private void Log(string msg)
{
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tools.GetLog().Log($"{GetName()}: {msg}");
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}
}
public class ContentId
{
public ContentId(string id)
{
Id = id;
}
public string Id { get; }
}
}