/// <summary>
/// Configures Google Diagnostics services for Logging, Tracing and Error Reporting middleware.
/// </summary>
/// <param name="builder">The <see cref="IWebHostBuilder"/> instance.</param>
/// <param name="projectId">
/// The Google Cloud Platform project ID. If unspecified and running on GAE/GCE/GKE
/// the project ID will be detected from the platform.
/// </param>
/// <param name="serviceName">
/// An identifier of the service used for exception logging, such as the name of the executable or job.
/// If unspecified and running on GAE the service name will be detected from the platform.
/// </param>
/// <param name="serviceVersion">
/// A string that represents the version of the service or the source code used for exception logging.
/// If unspecified and running on GAE the service version will be detected from the platform.
/// </param>
/// <param name="loggerOptions">The options for logging. May be null, in which case default options will be used.</param>
/// <param name="traceOptions">The options for tracing. May be null, in which case default options will be used.</param>
/// <param name="errorReportingOptions">The options for error reporting. May be null, in which case default options will be used.</param>
/// <returns>The <see cref="IWebHostBuilder"/> instance.</returns>
public static IWebHostBuilder UseGoogleDiagnostics(
this IWebHostBuilder builder,
string projectId = null,
string serviceName = null,
string serviceVersion = null,
LoggerOptions loggerOptions = null,
TraceOptions traceOptions = null,
ErrorReportingOptions errorReportingOptions = null) =>
builder.ConfigureServices(services =>
ConfigureGoogleDiagnosticsServices(services, projectId, serviceName, serviceVersion, loggerOptions, traceOptions, errorReportingOptions));
/// <summary>
/// Registers the startup filter configuration action.
/// </summary>
/// <param name="next">A callback to the next startup filter configuration.</param>
/// <returns>A callback of the startup filter configuration.</returns>
public Action <IApplicationBuilder> Configure(Action <IApplicationBuilder> next)
{
return(app =>
{
var loggerFactory = app.ApplicationServices.GetServiceCheckNotNull <ILoggerFactory>();
loggerFactory.AddGoogle(app.ApplicationServices, _projectId, LoggerOptions.Create(monitoredResource: _monitoredResource));
app.UseGoogleExceptionLogging();
app.UseGoogleTrace();
next(app);
});
}
internal GoogleLogger(IConsumer <LogEntry> consumer, LogTarget logTarget, LoggerOptions loggerOptions,
string logName, IClock clock = null, IHttpContextAccessor accessor = null)
{
GaxPreconditions.CheckNotNull(logTarget, nameof(logTarget));
GaxPreconditions.CheckNotNullOrEmpty(logName, nameof(logName));
_traceTarget = logTarget.Kind == LogTargetKind.Project ?
TraceTarget.ForProject(logTarget.ProjectId) : null;
_consumer = GaxPreconditions.CheckNotNull(consumer, nameof(consumer));
_loggerOptions = GaxPreconditions.CheckNotNull(loggerOptions, nameof(loggerOptions));;
_logName = logTarget.GetFullLogName(logName);
_accessor = accessor;
_clock = clock ?? SystemClock.Instance;
}
internal GoogleLogger(IConsumer <LogEntry> consumer, LogTarget logTarget, LoggerOptions loggerOptions,
string logName, IClock clock = null, IServiceProvider serviceProvider = null)
{
_logTarget = GaxPreconditions.CheckNotNull(logTarget, nameof(logTarget));
_traceTarget = logTarget.Kind == LogTargetKind.Project ?
TraceTarget.ForProject(logTarget.ProjectId) : null;
_consumer = GaxPreconditions.CheckNotNull(consumer, nameof(consumer));
_loggerOptions = GaxPreconditions.CheckNotNull(loggerOptions, nameof(loggerOptions));
_logName = GaxPreconditions.CheckNotNullOrEmpty(logName, nameof(logName));
_fullLogName = logTarget.GetFullLogName(_loggerOptions.LogName);
_serviceProvider = serviceProvider;
_clock = clock ?? SystemClock.Instance;
}
/// <summary>
/// Create an <see cref="ILoggerProvider"/> for Google Stackdriver Logging.
/// </summary>
/// <param name="logTarget">Where to log to. Cannot be null.</param>
/// <param name="options">Optional, options for the logger.</param>
/// <param name="client">Optional, logging client.</param>
public static GoogleLoggerProvider Create(LogTarget logTarget,
LoggerOptions options = null, LoggingServiceV2Client client = null)
{
// Check params and set defaults if unset.
GaxPreconditions.CheckNotNull(logTarget, nameof(logTarget));
client = client ?? LoggingServiceV2Client.Create();
options = options ?? LoggerOptions.Create();
// Get the proper consumer from the options and add a logger provider.
IConsumer <LogEntry> consumer = LogConsumer.Create(client, options.BufferOptions, options.RetryOptions);
return(new GoogleLoggerProvider(consumer, logTarget, options));
}
/// <summary>
/// <see cref="ILoggerProvider"/> for Google Stackdriver Logging.
/// </summary>
/// <param name="consumer">The consumer to push logs to. Must not be null.</param>
/// <param name="logTarget">Where to log to. Must not be null.</param>
/// <param name="loggerOptions">The logger options. Must not be null.</param>
/// <param name="serviceProvider">The service provider to resolve additional services from.</param>
internal GoogleLoggerProvider(IConsumer <LogEntry> consumer, LogTarget logTarget, LoggerOptions loggerOptions, IServiceProvider serviceProvider)
{
_consumer = GaxPreconditions.CheckNotNull(consumer, nameof(consumer));
_logTarget = GaxPreconditions.CheckNotNull(logTarget, nameof(logTarget));
_loggerOptions = GaxPreconditions.CheckNotNull(loggerOptions, nameof(loggerOptions));
_serviceProvider = serviceProvider;
var writer = loggerOptions.LoggerDiagnosticsOutput;
if (writer != null)
{
// The log name is the ASP.NET Core log name, not the "/projects/xyz/logs/abc" log name in the resource.
// We don't currently use this in the diagnostics, but if we ever start to do so, SampleLogName seems
// like a reasonably clear example.
((GoogleLogger)CreateLogger("SampleLogName")).WriteDiagnostics(writer);
}
}
/// <summary>
/// Adds a <see cref="GoogleLoggerProvider"/> for <see cref="GoogleLogger"/>s.
/// </summary>
/// <param name="factory">The logger factory. Cannot be null.</param>
/// <param name="logTo">Where to log to. Cannot be null. Cannot be null.</param>
/// <param name="options">Optional, options for the logger.</param>
/// <param name="client">Optional, logging client.</param>
public static ILoggerFactory AddGoogle(this ILoggerFactory factory, LogTo logTo,
LoggerOptions options = null, LoggingServiceV2Client client = null)
{
// Check params and set defaults if unset.
GaxPreconditions.CheckNotNull(factory, nameof(factory));
GaxPreconditions.CheckNotNull(logTo, nameof(logTo));
client = client ?? LoggingServiceV2Client.Create();
options = options ?? LoggerOptions.Create();
// Get the proper consumer from the options and add a logger provider.
GrpcLogConsumer grpcConsumer = new GrpcLogConsumer(client);
IConsumer <LogEntry> consumer = ConsumerFactory <LogEntry> .GetConsumer(
grpcConsumer, LogEntrySizer.Instance, options.BufferOptions);
GoogleLoggerProvider provider = new GoogleLoggerProvider(consumer, logTo, options);
factory.AddProvider(provider);
return(factory);
}
/// <summary>
/// Adds a <see cref="GoogleLoggerProvider"/> for <see cref="GoogleLogger"/>s.
/// </summary>
/// <param name="factory">The logger factory. Cannot be null.</param>
/// <param name="projectId">The Google Cloud Platform project ID. Cannot be null.</param>
/// <param name="options">Optional, options for the logger.</param>
/// <param name="client">Optional, logging client.</param>
public static ILoggerFactory AddGoogle(this ILoggerFactory factory, string projectId,
LoggerOptions options = null, LoggingServiceV2Client client = null)
{
GaxPreconditions.CheckNotNull(projectId, nameof(projectId));
return(factory.AddGoogle(LogTo.Project(projectId), options, client));
}
/// <summary>
/// <see cref="ILoggerProvider"/> for Google Stackdriver Logging.
/// </summary>
/// <param name="consumer">The consumer to push logs to. Cannot be null.</param>
/// <param name="logTarget">Where to log to. Cannot be null.</param>
/// <param name="loggerOptions">The logger options. Cannot be null.</param>
internal GoogleLoggerProvider(IConsumer <LogEntry> consumer, LogTarget logTarget, LoggerOptions loggerOptions)
{
_consumer = GaxPreconditions.CheckNotNull(consumer, nameof(consumer));
_logTarget = GaxPreconditions.CheckNotNull(logTarget, nameof(logTarget));
_loggerOptions = GaxPreconditions.CheckNotNull(loggerOptions, nameof(loggerOptions));
}
/// <summary>
/// Initializes a new instance of the <see cref="GoogleDiagnosticsStartupFilter"/> class to configure Google Diagnostics services.
/// </summary>
/// <param name="projectId">
/// The Google Cloud Platform project ID. If unspecified and running on GAE or GCE
/// the project ID will be detected from the platform.
/// </param>
/// <param name="loggerOptions">The logger options. May be null.</param>
public GoogleDiagnosticsStartupFilter(string projectId, LoggerOptions loggerOptions)
{
_projectId = projectId;
_loggerOptions = loggerOptions;
}
/// <summary>
/// Create an <see cref="ILoggerProvider"/> for Google Stackdriver Logging.
/// </summary>
/// <param name="projectId">Optional if running on Google App Engine or Google Compute Engine.
/// The Google Cloud Platform project ID. If unspecified and running on GAE or GCE the project ID will be
/// detected from the platform.</param>
/// <param name="options">Optional, options for the logger.</param>
/// <param name="client">Optional, logging client.</param>
public static GoogleLoggerProvider Create(string projectId,
LoggerOptions options = null, LoggingServiceV2Client client = null)
{
projectId = Project.GetAndCheckProjectId(projectId, options.MonitoredResource);
return(Create(LogTarget.ForProject(projectId), options, client));
}
