public async Task AddAsync(string name, string uri)
{
if (await Get(name) == null)
{
await _db.Configurations.AddAsync(new HealthCheckConfiguration
{
Name = name,
Uri = uri,
DiscoveryService = "kubernetes"
});
await _db.SaveChangesAsync();
_logger.LogInformation("[Push] New service added: {name} with uri: {uri}", name, uri);
}
}
private async Task SaveNotification(HealthCheckFailureNotification notification)
{
if (notification != null)
{
await _db.Failures
.AddAsync(notification);
await _db.SaveChangesAsync();
}
}
private async Task SaveExecutionHistory(HealthCheckConfiguration configuration, UIHealthReport healthReport)
{
_logger.LogDebug("HealthReportCollector - health report execution history saved.");
var execution = await GetHealthCheckExecution(configuration);
var lastExecutionTime = DateTime.UtcNow;
if (execution != null)
{
execution.Entries.Clear();
execution.Entries = healthReport.ToExecutionEntries();
if (execution.Status == healthReport.Status)
{
_logger.LogDebug("HealthReport history already exists and is in the same state, updating the values.");
execution.LastExecuted = lastExecutionTime;
}
else
{
_logger.LogDebug("HealthCheckReportCollector already exists but on different state, updating the values.");
execution.History.Add(new HealthCheckExecutionHistory()
{
On = lastExecutionTime,
Status = execution.Status
});
execution.OnStateFrom = lastExecutionTime;
execution.LastExecuted = lastExecutionTime;
execution.Status = healthReport.Status;
}
}
else
{
_logger.LogDebug("Creating a new HealthReport history.");
execution = new HealthCheckExecution()
{
LastExecuted = lastExecutionTime,
OnStateFrom = lastExecutionTime,
Entries = healthReport.ToExecutionEntries(),
Status = healthReport.Status,
Name = configuration.Name,
Uri = configuration.Uri,
DiscoveryService = configuration.DiscoveryService
};
await _db.Executions
.AddAsync(execution);
}
await _db.SaveChangesAsync();
}
Task <int> RegisterDiscoveredLiveness(HealthChecksDb livenessDb, string host, string name)
{
livenessDb.Configurations.Add(new HealthCheckConfiguration()
{
Name = name,
Uri = host,
DiscoveryService = "kubernetes"
});
return(livenessDb.SaveChangesAsync());
}
async Task RegisterDiscoveredLiveness(string service, string name, Uri uri, CancellationToken cancellationToken)
{
_db.Configurations.Add(new HealthCheckConfiguration
{
Name = name,
Uri = uri.ToString(),
DiscoveryService = service
});
await _db.SaveChangesAsync(cancellationToken);
}
private async Task SaveExecutionHistory(HealthCheckConfiguration configuration, UIHealthReport healthReport)
{
_logger.LogDebug("HealthReportCollector - health report execution history saved.");
var execution = await GetHealthCheckExecution(configuration);
var lastExecutionTime = DateTime.UtcNow;
if (execution != null)
{
//update existing entries from new health report
foreach (var item in healthReport.ToExecutionEntries())
{
var existing = execution.Entries
.Where(e => e.Name == item.Name)
.SingleOrDefault();
if (existing != null)
{
existing.Status = item.Status;
existing.Description = item.Description;
existing.Duration = item.Duration;
}
else
{
execution.Entries.Add(item);
}
}
//remove old entries in existing execution not present in new health report
foreach (var item in execution.Entries)
{
var existing = healthReport.Entries
.ContainsKey(item.Name);
if (!existing)
{
var oldEntry = execution.Entries
.Where(t => t.Name == item.Name)
.SingleOrDefault();
_db.HealthCheckExecutionEntries
.Remove(oldEntry);
}
}
if (execution.Status == healthReport.Status)
{
_logger.LogDebug("HealthReport history already exists and is in the same state, updating the values.");
execution.LastExecuted = lastExecutionTime;
}
else
{
_logger.LogDebug("HealthCheckReportCollector already exists but on different state, updating the values.");
execution.History.Add(new HealthCheckExecutionHistory()
{
On = lastExecutionTime,
Status = execution.Status
});
execution.OnStateFrom = lastExecutionTime;
execution.LastExecuted = lastExecutionTime;
execution.Status = healthReport.Status;
}
}
else
{
_logger.LogDebug("Creating a new HealthReport history.");
execution = new HealthCheckExecution()
{
LastExecuted = lastExecutionTime,
OnStateFrom = lastExecutionTime,
Entries = healthReport.ToExecutionEntries(),
Status = healthReport.Status,
Name = configuration.Name,
Uri = configuration.Uri,
DiscoveryService = configuration.DiscoveryService
};
await _db.Executions
.AddAsync(execution);
}
await _db.SaveChangesAsync();
}