/// <inheritdoc/>
public Task <IDiagnosticEventSink> CreateDiagnosticEventSink(IConfiguration configuration)
{
var uri = configuration?.GetValue <Uri>("uri");
var database = configuration?["database"];
if (uri == null)
{
throw new ConfigurationErrorsException("'uri' attribute is required (e.g. http://localhost:8086)");
}
if (string.IsNullOrWhiteSpace(database))
{
throw new ConfigurationErrorsException("'database' attribute is required");
}
var options = new InfluxDBOptions(uri, database)
{
Measurement = configuration["measurement"],
Username = configuration["username"],
Password = configuration["password"]
};
var precision = configuration["precision"];
if (!string.IsNullOrWhiteSpace(precision))
{
options.Precision = InfluxDBPrecision.Parse(precision);
}
var tags = configuration["tags"];
if (!string.IsNullOrWhiteSpace(tags))
{
options.Tags = tags.Split(',')
.Select(tag =>
{
var keyValue = tag.Split('=');
var key = keyValue.FirstOrDefault();
var value = keyValue.Skip(1).FirstOrDefault();
return(new KeyValuePair <string, string>(key, value));
})
.ToDictionary(tag => tag.Key, tag => tag.Value);
}
var sampleRate = default(TimeSpan);
var sampleRateStr = configuration["sampleRate"];
if (!string.IsNullOrWhiteSpace(sampleRateStr))
{
if (!TimeSpan.TryParse(sampleRateStr, out sampleRate))
{
throw new ConfigurationErrorsException("Invalid timespan specified for 'sampleRate'");
}
}
return(Task.FromResult <IDiagnosticEventSink>(new InfluxDBSink(options, sampleRate)));
}
