public WatcherCheckResultDto(WatcherCheckResult result)
{
WatcherName = result.Watcher.Name;
WatcherType = result.Watcher.Type.ToString().ToLowerInvariant();
Description = result.Description;
IsValid = result.IsValid;
}
public WatcherCheckResultMinified(WatcherCheckResult check)
{
n = check.WatcherName;
t = check.WatcherType;
d = check.Description;
v = check.IsValid;
}
private async Task <IList <WatcherExecutionResult> > TryExecuteWatcherCheckAndHooksAsync(
WatcherConfiguration watcherConfiguration)
{
var startedAt = _configuration.DateTimeProvider();
var watcher = watcherConfiguration.Watcher;
IWardenCheckResult wardenCheckResult = null;
var results = new List <WatcherExecutionResult>();
try
{
await InvokeOnStartHooksAsync(watcherConfiguration, WatcherCheck.Create(watcher));
_logger.Info($"Executing Watcher: {watcher.Name}.");
var watcherCheckResult = await watcher.ExecuteAsync();
_logger.Info($"Completed executing Watcher: {watcher.Name}. " +
$"Is valid: {watcherCheckResult.IsValid}. " +
$"Description: {watcherCheckResult.Description}");
var completedAt = _configuration.DateTimeProvider();
wardenCheckResult = WardenCheckResult.Create(watcherCheckResult, startedAt, completedAt);
var watcherResults = await ExecuteWatcherCheckAsync(watcher, watcherCheckResult, wardenCheckResult,
watcherConfiguration);
results.AddRange(watcherResults);
}
catch (Exception exception)
{
_logger.Error($"There was an error while executing Watcher: {watcher.Name}.", exception);
var completedAt = _configuration.DateTimeProvider();
wardenCheckResult = WardenCheckResult.Create(WatcherCheckResult.Create(watcher, false, exception.Message),
startedAt, completedAt, exception);
results.Add(new WatcherExecutionResult(watcher, WatcherResultState.Error,
GetPreviousWatcherState(watcher), wardenCheckResult, exception));
await UpdateWatcherResultStateAndExecuteHooksPossibleAsync(watcher, WatcherResultState.Error,
() => InvokeOnFirstErrorHooksAsync(watcherConfiguration, exception));
var wardenException = new WardenException("There was an error while executing Warden " +
$"caused by watcher: '{watcher.Name}'.", exception);
await InvokeOnErrorHooksAsync(watcherConfiguration, wardenException);
}
finally
{
await InvokeOnCompletedHooksAsync(watcherConfiguration, wardenCheckResult);
}
return(results);
}
private async Task TryExecuteWatcherCheckAndHooksAsync(WatcherConfiguration watcherConfiguration,
IList <WatcherExecutionResult> results)
{
var startedAt = _configuration.DateTimeProvider();
var watcher = watcherConfiguration.Watcher;
IWardenCheckResult wardenCheckResult = null;
try
{
await InvokeOnStartHooksAsync(watcherConfiguration, WatcherCheck.Create(watcher));
var watcherCheckResult = await watcher.ExecuteAsync();
var completedAt = _configuration.DateTimeProvider();
wardenCheckResult = WardenCheckResult.Create(watcherCheckResult, startedAt, completedAt);
await ExecuteWatcherCheckAsync(watcher, watcherCheckResult, wardenCheckResult,
watcherConfiguration, results);
}
catch (Exception exception)
{
var completedAt = _configuration.DateTimeProvider();
wardenCheckResult = WardenCheckResult.Create(WatcherCheckResult.Create(watcher, false),
startedAt, completedAt, exception);
results.Add(new WatcherExecutionResult(watcher, WatcherResultState.Error,
GetPreviousWatcherState(watcher), wardenCheckResult, exception));
await UpdateWatcherResultStateAndExecuteHooksPossibleAsync(watcher, WatcherResultState.Error,
() => InvokeOnFirstErrorHooksAsync(watcherConfiguration, exception));
var wardenException = new WardenException("There was an error while executing Warden " +
$"caused by watcher: '{watcher.Name}'.", exception);
await InvokeOnErrorHooksAsync(watcherConfiguration, wardenException);
}
finally
{
await InvokeOnCompletedHooksAsync(watcherConfiguration, wardenCheckResult);
}
}
public async Task <WardenIterationDto> SaveIterationAsync(WardenIterationDto iteration, Guid organizationId)
{
if (iteration == null)
{
return(null);
}
var wardenCheckResults = (iteration.Results ?? Enumerable.Empty <WardenCheckResultDto>()).ToList();
var watcherCheckResults = wardenCheckResults.Select(x => x.WatcherCheckResult).ToList();
watcherCheckResults.ForEach(SetWatcherTypeFromFullNamespace);
var organization = await _database.Organizations().GetByIdAsync(organizationId);
if (organization == null)
{
throw new ServiceException($"Organization has not been found for given id: '{organizationId}'.");
}
var warden = organization.GetWardenByName(iteration.WardenName);
if (warden == null && !organization.AutoRegisterNewWarden)
{
throw new ServiceException($"Warden with name: '{iteration.WardenName}' has not been registered.");
}
var updateOrganization = false;
if (warden == null)
{
if (organization.Wardens.Count() >= _featureSettings.MaxWardensInOrganization)
{
throw new ServiceException($"Limit of {_featureSettings.MaxWardensInOrganization} " +
"wardens in organization has been reached.");
}
updateOrganization = true;
organization.AddWarden(iteration.WardenName);
warden = organization.GetWardenByName(iteration.WardenName);
}
else if (!warden.Enabled)
{
throw new ServiceException($"Warden with name: '{iteration.WardenName}' is disabled.");
}
var wardenIteration = new WardenIteration(warden.Name, organization,
iteration.Ordinal, iteration.StartedAt, iteration.CompletedAt, iteration.IsValid);
foreach (var result in wardenCheckResults)
{
WatcherType watcherType;
var watcherName = result.WatcherCheckResult.WatcherName;
if (!Enum.TryParse(result.WatcherCheckResult.WatcherType, true, out watcherType))
{
watcherType = WatcherType.Custom;
}
var watcher = warden.GetWatcherByName(watcherName);
if (watcher == null)
{
if (warden.Watchers.Count() >= _featureSettings.MaxWatchersInWarden)
{
throw new ServiceException($"Limit of {_featureSettings.MaxWatchersInWarden} " +
"watchers in Warden has been reached.");
}
updateOrganization = true;
warden.AddWatcher(watcherName, watcherType);
watcher = warden.GetWatcherByName(watcherName);
}
var watcherCheckResult = result.WatcherCheckResult.IsValid
? WatcherCheckResult.Valid(watcher, result.WatcherCheckResult.Description)
: WatcherCheckResult.Invalid(watcher, result.WatcherCheckResult.Description);
var checkResult = result.IsValid
? WardenCheckResult.Valid(watcherCheckResult, result.StartedAt, result.CompletedAt)
: WardenCheckResult.Invalid(watcherCheckResult, result.StartedAt, result.CompletedAt,
CreatExceptionInfo(result.Exception));
wardenIteration.AddResult(checkResult);
}
if (updateOrganization)
{
await _database.Organizations().ReplaceOneAsync(x => x.Id == organizationId, organization);
}
await _database.WardenIterations().InsertOneAsync(wardenIteration);
Logger.Info($"Warden iteration: '{wardenIteration.Id}' was created " +
$"for organization: '{organization.Name}' with id: '{organization.Id}'.");
return(new WardenIterationDto(wardenIteration));
}
/// <summary>
/// Run a single iteration (cycle) that will execute all of the watchers and theirs hooks.
/// </summary>
/// <param name="wardenName">Name of the Warden that will execute the iteration.</param>
/// <param name="ordinal">Number (ordinal) of executed iteration</param>
/// <returns>Single iteration containing its ordinal and results of all executed watcher checks</returns>
public async Task <IWardenIteration> ExecuteAsync(string wardenName, long ordinal)
{
var iterationStartedAt = _configuration.DateTimeProvider();
var results = new List <WatcherExecutionResult>();
var iterationTasks = _configuration.Watchers.Select(async watcherConfiguration =>
{
var startedAt = _configuration.DateTimeProvider();
var watcher = watcherConfiguration.Watcher;
IWardenCheckResult wardenCheckResult = null;
try
{
await InvokeOnStartHooksAsync(watcherConfiguration, WatcherCheck.Create(watcher));
var watcherCheckResult = await watcher.ExecuteAsync();
var completedAt = _configuration.DateTimeProvider();
wardenCheckResult = WardenCheckResult.Create(watcherCheckResult, startedAt, completedAt);
if (watcherCheckResult.IsValid)
{
var result = wardenCheckResult;
results.Add(new WatcherExecutionResult(watcher, WatcherResultState.Success,
GetPreviousWatcherState(watcher), result));
await UpdateWatcherResultStateAndExecuteHooksPossibleAsync(watcher, WatcherResultState.Success,
() => InvokeOnFirstSuccessHooksAsync(watcherConfiguration, result),
executeIfLatestStateIsNotSet: false);
await InvokeOnSuccessHooksAsync(watcherConfiguration, wardenCheckResult);
}
else
{
var result = wardenCheckResult;
results.Add(new WatcherExecutionResult(watcher, WatcherResultState.Failure,
GetPreviousWatcherState(watcher), result));
await UpdateWatcherResultStateAndExecuteHooksPossibleAsync(watcher, WatcherResultState.Failure,
() => InvokeOnFirstFailureHooksAsync(watcherConfiguration, result));
await InvokeOnFailureHooksAsync(watcherConfiguration, wardenCheckResult);
}
}
catch (Exception exception)
{
var completedAt = _configuration.DateTimeProvider();
wardenCheckResult = WardenCheckResult.Create(WatcherCheckResult.Create(watcher, false),
startedAt, completedAt, exception);
results.Add(new WatcherExecutionResult(watcher, WatcherResultState.Error,
GetPreviousWatcherState(watcher), wardenCheckResult, exception));
await UpdateWatcherResultStateAndExecuteHooksPossibleAsync(watcher, WatcherResultState.Error,
() => InvokeOnFirstErrorHooksAsync(watcherConfiguration, exception));
var wardenException = new WardenException("There was an error while executing Warden " +
$"caused by watcher: '{watcher.Name}'.", exception);
await InvokeOnErrorHooksAsync(watcherConfiguration, wardenException);
}
finally
{
await InvokeOnCompletedHooksAsync(watcherConfiguration, wardenCheckResult);
}
});
await Task.WhenAll(iterationTasks);
await ExecuteAggregatedHooksAsync(results);
var iterationCompletedAt = _configuration.DateTimeProvider();
var iteration = WardenIteration.Create(wardenName, ordinal, results.Select(x => x.WardenCheckResult),
iterationStartedAt, iterationCompletedAt);
return(iteration);
}
