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NickHeap2NickHeap2
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‎.gitignore‎

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.vs
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bin
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obj
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*.user

‎DockerClient.cs‎

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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Text;
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namespace StackDeployCheck
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{
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class DockerClient
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{
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private StackState currentStackState;
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public StackState GetCurrentState(string stackName)
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{
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currentStackState = new StackState()
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{
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StackName = stackName
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};
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GetStackTasks(stackName);
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return currentStackState;
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}
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public void GetStackTasks(string stackName)
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{
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var formatString = "{{.ID}} {{.Name}} {{.Image}} {{.Node}} {{.DesiredState}} [{{.CurrentState}}] [{{.Error}}]";
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ProcessStartInfo processStartInfo = new ProcessStartInfo("docker", $"stack ps {stackName} --no-trunc --format \"{formatString}\"")
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{
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RedirectStandardError = true,
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RedirectStandardOutput = true,
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RedirectStandardInput = true,
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UseShellExecute = false,
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CreateNoWindow = true
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};
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using (Process process = new Process()
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{
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StartInfo = processStartInfo,
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EnableRaisingEvents = true
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})
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{
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process.OutputDataReceived += Process_OutputDataReceived;
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process.ErrorDataReceived += Process_ErrorDataReceived;
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//process.Exited += Process_Exited;
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process.Start();
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process.BeginOutputReadLine();
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process.BeginErrorReadLine();
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//process.WaitForExit(waitTimeout);
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process.WaitForExit();
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}
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}
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private void Process_ErrorDataReceived(object sender, DataReceivedEventArgs e)
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{
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if (!String.IsNullOrEmpty(e.Data))
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{
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Console.Error.WriteLineAsync($"ERROR: {e.Data}");
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}
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}
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private void Process_OutputDataReceived(object sender, DataReceivedEventArgs e)
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{
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if (e.Data == String.Empty
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|| e.Data == null)
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{
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return;
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}
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//if (e.Data.StartsWith("ID "))
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//{
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// //headerLine = e.Data;
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// return;
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//}
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string currentLine = e.Data;
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var currentStart = currentLine.IndexOf("[") + 1;
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var currentEnd = currentLine.IndexOf("]");
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var errorStart = currentLine.IndexOf("[", currentEnd) + 1;
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var errorEnd = currentLine.LastIndexOf("]");
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var taskElements = e.Data.Split(" ");
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var dockerTask = new DockerTask()
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{
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Id = taskElements[0],
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Name = taskElements[1],
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Image = taskElements[2],
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Node = taskElements[3],
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DesiredState = taskElements[4],
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CurrentState = currentLine.Substring(currentStart, currentEnd - currentStart),
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Error = currentLine.Substring(errorStart, errorEnd - errorStart)
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};
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if (dockerTask.DesiredState == "Ready"
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|| dockerTask.DesiredState == "Running")
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{
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dockerTask.IsCurrent = true;
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}
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currentStackState.Tasks.Add(dockerTask);
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//Console.Error.WriteLineAsync($"OUT: {e.Data}");
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//Console.Out.WriteLine(dockerTask.Id);
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//Console.Out.WriteLine($"{dockerTask.IsCurrent} {dockerTask.Name}");
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//Console.Out.WriteLine(dockerTask.Image);
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//Console.Out.WriteLine(dockerTask.Node);
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//Console.Out.WriteLine(dockerTask.DesiredState);
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//Console.Out.WriteLine(dockerTask.CurrentState);
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//Console.Out.WriteLine(dockerTask.Error);
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//Console.Out.WriteLine("");
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}
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}
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}

‎DockerTask.cs‎

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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace StackDeployCheck
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{
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public class DockerTask
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{
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public string Id { get; internal set; }
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public string Name { get; internal set; }
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public bool IsCurrent { get; internal set; }
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public string Image { get; internal set; }
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public string Node { get; internal set; }
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public string DesiredState { get; internal set; }
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public string CurrentState { get; internal set; }
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public string Error { get; internal set; }
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}
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}

‎Program.cs‎

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using System;
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using System.Diagnostics;
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using System.Timers;
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namespace StackDeployCheck
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{
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class Program
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{
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static int Main(string[] args)
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{
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if (args.Length < 1)
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{
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Console.Error.WriteLine("dotnet stack-deploy-check {stackName} [waitTimeout]");
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return -1;
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}
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var stackName = args[0];
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int timeout = 10000;
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if (args.Length > 1)
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{
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if (!int.TryParse(args[1], out timeout))
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{
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Console.Error.WriteLine("ERROR: Invalid timeout!");
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return -2;
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}
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timeout = timeout * 1000;
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}
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Timer timer = new Timer(timeout);
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timer.Elapsed += Timer_Elapsed;
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timer.Start();
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var stackChecker = new StackChecker()
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{
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StackName = stackName
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};
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stackChecker.AwaitDesiredStates();
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Console.Out.WriteLine("All stack tasks are running");
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return 0;
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}
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private static void Timer_Elapsed(object sender, ElapsedEventArgs e)
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{
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Console.Error.WriteLine("ERROR: Timed out waiting for desired state!");
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Environment.Exit(-3);
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}
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}
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}

‎Properties/PublishProfiles/FolderProfile.pubxml‎

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<?xml version="1.0" encoding="utf-8"?>
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<!--
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https://go.microsoft.com/fwlink/?LinkID=208121.
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-->
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<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<PublishProtocol>FileSystem</PublishProtocol>
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<Configuration>Release</Configuration>
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<Platform>Any CPU</Platform>
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<TargetFramework>netcoreapp2.2</TargetFramework>
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<PublishDir>bin\Release\netcoreapp2.2\publish\</PublishDir>
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<SelfContained>false</SelfContained>
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<_IsPortable>true</_IsPortable>
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<RuntimeIdentifier>win-x64</RuntimeIdentifier>
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</PropertyGroup>
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</Project>

‎Properties/launchSettings.json‎

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{
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"profiles": {
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"stack-deploy-check": {
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"commandName": "Project",
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"commandLineArgs": "vsts"
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}
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}
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}

‎StackChecker.cs‎

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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading;
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namespace StackDeployCheck
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{
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class StackChecker
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{
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public string StackName { get; set; }
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//public List<TaskState> DesiredStates { get; set; }
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public bool AwaitDesiredStates()
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{
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var dockerClient = new DockerClient();
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while (true)
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{
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Console.Out.WriteLine($"Checking stack {StackName} for desired state...");
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var stackState = dockerClient.GetCurrentState(StackName);
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var allTasksComplete = true;
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foreach (var task in stackState.Tasks)
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{
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if (!task.IsCurrent) continue;
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if (!task.CurrentState.StartsWith("Running"))
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{
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allTasksComplete = false;
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}
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Console.Out.WriteLine($"Task: {task.Name} State: {task.CurrentState} Image: {task.Image} Error: {task.Error}");
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}
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if (allTasksComplete)
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{
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return true;
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}
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Thread.Sleep(1000);
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}
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}
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}
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}

‎StackState.cs‎

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using System.Collections.Generic;
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namespace StackDeployCheck
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{
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public class StackState
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{
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public string StackName { get; set; }
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public List<DockerTask> Tasks { get; set; }
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public StackState()
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{
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Tasks = new List<DockerTask>();
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}
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}
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}

‎stack-deploy-check.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>netcoreapp2.2</TargetFramework>
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<RootNamespace>StackDeployCheck</RootNamespace>
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<Authors>NickHeap</Authors>
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<Company />
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</PropertyGroup>
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</Project>

‎stack-deploy-check.csproj.user‎

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<_LastSelectedProfileId>D:\workspaces\nickheap2\stack-deploy-check\Properties\PublishProfiles\FolderProfile.pubxml</_LastSelectedProfileId>
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</PropertyGroup>
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</Project>

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