public static Task WaitForStatusAsync(EdgeModule[] modules, EdgeModuleStatus desired, CancellationToken token)
{
(string template, string[] args) FormatModulesList() => modules.Length == 1
? ("module '{0}'", new[] { modules.First().Id })
: ("modules ({0})", modules.Select(module => module.Id).ToArray());
string SentenceCase(string input) =>
$"{input.First().ToString().ToUpper()}{input.Substring(1)}";
async Task WaitForStatusAsync()
{
await Retry.Do(
async() =>
{
string[] output = await Process.RunAsync("iotedge", "list", token);
Log.Verbose(string.Join("\n", output));
return(output
.Where(
ln =>
{
var columns = ln.Split(null as char[], StringSplitOptions.RemoveEmptyEntries);
foreach (var module in modules)
{
// each line is "name status"
if (columns[0] == module.Id &&
columns[1].Equals(desired.ToString(), StringComparison.OrdinalIgnoreCase))
{
return true;
}
}
return false;
}).ToArray());
},
a => a.Length == modules.Length,
e =>
{
// Retry if iotedged's management endpoint is still starting up,
// and therefore isn't responding to `iotedge list` yet
bool DaemonNotReady(string details) =>
details.Contains("Could not list modules", StringComparison.OrdinalIgnoreCase) ||
details.Contains("Socket file could not be found", StringComparison.OrdinalIgnoreCase);
return(DaemonNotReady(e.ToString()));
},
TimeSpan.FromSeconds(5),
token);
}
(string template, string[] args) = FormatModulesList();
return(Profiler.Run(
WaitForStatusAsync,
string.Format(SentenceCase(template), "{Modules}") + " entered the '{Desired}' state",
string.Join(", ", args),
desired.ToString().ToLower()));
}
public static Task WaitForStatusAsync(IEnumerable <EdgeModule> modules, EdgeModuleStatus desired, CancellationToken token)
{
string[] moduleIds = modules.Select(m => m.Id.TrimStart('$')).Distinct().ToArray();
string FormatModulesList() => moduleIds.Length == 1 ? "Module '{0}'" : "Modules ({0})";
async Task WaitForStatusAsync()
{
await Retry.Do(
async() =>
{
string[] output = await Process.RunAsync("iotedge", "list", token);
Log.Verbose(string.Join("\n", output));
return(output
.Where(
ln =>
{
string[] columns = ln.Split(null as char[], StringSplitOptions.RemoveEmptyEntries);
foreach (string moduleId in moduleIds)
{
// each line is "name status"
if (columns[0] == moduleId &&
columns[1].Equals(desired.ToString(), StringComparison.OrdinalIgnoreCase))
{
return true;
}
}
return false;
}).ToArray());
},
a => a.Length == moduleIds.Length,
e =>
{
// Retry if iotedged's management endpoint is still starting up,
// and therefore isn't responding to `iotedge list` yet
bool DaemonNotReady(string details) =>
details.Contains("Could not list modules", StringComparison.OrdinalIgnoreCase) ||
details.Contains("Socket file could not be found", StringComparison.OrdinalIgnoreCase);
return(DaemonNotReady(e.ToString()));
},
TimeSpan.FromSeconds(5),
token);
}
return(Profiler.Run(
WaitForStatusAsync,
string.Format(FormatModulesList(), "{Modules}") + " entered the '{Desired}' state",
string.Join(", ", moduleIds),
desired.ToString().ToLower()));
}
public static Task WaitForStatusAsync(EdgeModule[] modules, EdgeModuleStatus desired, CancellationToken token)
{
string FormatModulesList() => modules.Length == 1
? $"module '{modules.First().Id}'"
: $"modules ({string.Join(", ", modules.Select(module => module.Id))})";
async Task WaitForStatusAsync()
{
try
{
await Retry.Do(
async() =>
{
string[] result = await Process.RunAsync("iotedge", "list", token);
return(result
.Where(
ln =>
{
var columns = ln.Split(null as char[], StringSplitOptions.RemoveEmptyEntries);
foreach (var module in modules)
{
// each line is "name status"
if (columns[0] == module.Id &&
columns[1].Equals(desired.ToString(), StringComparison.OrdinalIgnoreCase))
{
return true;
}
}
return false;
}).ToArray());
},
a => a.Length == modules.Length,
e =>
{
// Retry if iotedged's management endpoint is still starting up,
// and therefore isn't responding to `iotedge list` yet
bool DaemonNotReady(string details) =>
details.Contains("Could not list modules", StringComparison.OrdinalIgnoreCase) ||
details.Contains("Socket file could not be found", StringComparison.OrdinalIgnoreCase);
return(DaemonNotReady(e.ToString()));
},
TimeSpan.FromSeconds(5),
token);
}
catch (OperationCanceledException)
{
throw new Exception($"Error: timed out waiting for {FormatModulesList()} to start");
}
catch (Exception e)
{
throw new Exception($"Error searching for {FormatModulesList()}: {e}");
}
}
return(Profiler.Run(
$"Waiting for {FormatModulesList()} to enter the '{desired.ToString().ToLower()}' state",
WaitForStatusAsync));
}