108 lines
4.0 KiB
C#
108 lines
4.0 KiB
C#
using Core;
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using KubernetesWorkflow.Types;
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using Logging;
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using System.Security.Cryptography;
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using System.Text;
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using Utils;
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namespace CodexPlugin
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{
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public class ApiChecker
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{
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// <INSERT-OPENAPI-YAML-HASH>
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private const string OpenApiYamlHash = "09-53-C3-A6-31-A5-0C-8B-53-1C-3D-C7-2B-1E-85-C7-17-60-54-43-01-C4-49-4E-D9-68-35-7D-F7-41-13-B5";
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private const string OpenApiFilePath = "/codex/openapi.yaml";
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private const string DisableEnvironmentVariable = "CODEXPLUGIN_DISABLE_APICHECK";
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private const bool Disable = false;
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private const string Warning =
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"Warning: CodexPlugin was unable to find the openapi.yaml file in the Codex container. Are you running an old version of Codex? " +
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"Plugin will continue as normal, but API compatibility is not guaranteed!";
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private const string Failure =
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"Codex API compatibility check failed! " +
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"openapi.yaml used by CodexPlugin does not match openapi.yaml in Codex container. The openapi.yaml in " +
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"'ProjectPlugins/CodexPlugin' has been overwritten with the container one. " +
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"Please and rebuild this project. If you wish to disable API compatibility checking, please set " +
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$"the environment variable '{DisableEnvironmentVariable}' or set the disable bool in 'ProjectPlugins/CodexPlugin/ApiChecker.cs'.";
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private static bool checkPassed = false;
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private readonly IPluginTools pluginTools;
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private readonly ILog log;
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public ApiChecker(IPluginTools pluginTools)
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{
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this.pluginTools = pluginTools;
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log = pluginTools.GetLog();
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if (string.IsNullOrEmpty(OpenApiYamlHash)) throw new Exception("OpenAPI yaml hash was not inserted by pre-build trigger.");
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}
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public void CheckCompatibility(RunningPod[] containers)
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{
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if (checkPassed) return;
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Log("CodexPlugin is checking API compatibility...");
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if (Disable || !string.IsNullOrEmpty(Environment.GetEnvironmentVariable(DisableEnvironmentVariable)))
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{
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Log("API compatibility checking has been disabled.");
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checkPassed = true;
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return;
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}
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var workflow = pluginTools.CreateWorkflow();
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var container = containers.First().Containers.First();
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var containerApi = workflow.ExecuteCommand(container, "cat", OpenApiFilePath);
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if (string.IsNullOrEmpty(containerApi))
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{
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log.Error(Warning);
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checkPassed = true;
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return;
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}
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var containerHash = Hash(containerApi);
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if (containerHash == OpenApiYamlHash)
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{
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Log("API compatibility check passed.");
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checkPassed = true;
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return;
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}
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OverwriteOpenApiYaml(containerApi);
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log.Error(Failure);
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throw new Exception(Failure);
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}
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private void OverwriteOpenApiYaml(string containerApi)
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{
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Log("API compatibility check failed. Updating CodexPlugin...");
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var openApiFilePath = Path.Combine(PluginPathUtils.ProjectPluginsDir, "CodexPlugin", "openapi.yaml");
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if (!File.Exists(openApiFilePath)) throw new Exception("Unable to locate CodexPlugin/openapi.yaml. Expected: " + openApiFilePath);
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File.Delete(openApiFilePath);
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File.WriteAllText(openApiFilePath, containerApi);
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Log("CodexPlugin/openapi.yaml has been updated.");
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}
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private string Hash(string file)
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{
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var fileBytes = Encoding.ASCII.GetBytes(file
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.Replace(Environment.NewLine, ""));
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var sha = SHA256.Create();
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var hash = sha.ComputeHash(fileBytes);
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return BitConverter.ToString(hash);
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}
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private void Log(string msg)
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{
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log.Log(msg);
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}
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}
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}
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