public void RegisterMetrics(ICollectorRegistry registry)
{
MetricFactory metricFactory = Prometheus.Metrics.WithCustomRegistry(registry);
var counter = metricFactory.CreateCounter("gc_collect_count", "GC collection count",
_lableNames.Union(new[] { "generation" }).ToArray());
for (var number = 0; number <= GC.MaxGeneration; number++)
{
_collectionCounts.Add(counter.Labels(_labelValues.Union(new[] { number.ToString() }).ToArray()));
}
_startTime = metricFactory
.CreateGauge("start_time", "Start time of the process since unix epoch in seconds", _lableNames)
.Labels(_labelValues);
_cpuTotal = metricFactory.CreateCounter("cpu_seconds_total",
"Total user and system CPU time spent in seconds", _lableNames).Labels(_labelValues);
_virtualMemorySize = metricFactory.CreateGauge("virtual_bytes", "Process virtual memory size", _lableNames).Labels(_labelValues);
_workingSet = metricFactory.CreateGauge("working_set", "Process working set", _lableNames).Labels(_labelValues);
_privateMemorySize = metricFactory.CreateGauge("private_bytes", "Process private memory size", _lableNames).Labels(_labelValues);
_openHandles = metricFactory.CreateGauge("open_handles", "Number of open handles", _lableNames).Labels(_labelValues);
_numThreads = metricFactory.CreateGauge("num_threads", "Total number of threads", _lableNames).Labels(_labelValues);
_pid = metricFactory.CreateGauge("processid", "Process ID", _lableNames).Labels(_labelValues);
_totalMemory = metricFactory.CreateGauge("totalmemory", "Total known allocated memory", _lableNames).Labels(_labelValues);
_startTime.Set((_process.StartTime.ToUniversalTime() - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc))
.TotalSeconds);
_pid.Set(_process.Id);
}
public static GaugeVisitor Collect(this IGauge gauge)
{
var visitor = new GaugeVisitor();
gauge.Visit(visitor);
return(visitor);
}
protected NodeBase(ICluster owner, IPEndPoint endpoint, IFailurePolicy failurePolicy, ISocket socket)
{
this.owner = owner;
this.endpoint = endpoint;
this.socket = socket;
this.failurePolicy = failurePolicy;
this.name = endpoint.ToString();
failLock = new Object();
writeQueue = new ConcurrentQueue <Data>();
readQueue = new Queue <Data>();
mustReconnect = true;
IsAlive = true;
counterEnqueuePerSec = Metrics.Meter("node write enqueue/sec", endpoint.ToString(), Interval.Seconds);
counterDequeuePerSec = Metrics.Meter("node write dequeue/sec", endpoint.ToString(), Interval.Seconds);
counterOpReadPerSec = Metrics.Meter("node op read/sec", endpoint.ToString(), Interval.Seconds);
counterWriteQueue = Metrics.Counter("write queue length", endpoint.ToString());
counterReadQueue = Metrics.Counter("read queue length", endpoint.ToString());
counterWritePerSec = Metrics.Meter("node write/sec", endpoint.ToString(), Interval.Seconds);
counterErrorPerSec = Metrics.Meter("node in error/sec", endpoint.ToString(), Interval.Seconds);
counterItemCount = Metrics.Counter("commands", endpoint.ToString());
gaugeSendSpeed = Metrics.Gauge("send speed", endpoint.ToString());
}
public void Setup()
{
_gauge = OurMetricFactory.CreateGauge("testgauge", HelpText);
_gaugeInt64 = OurMetricFactory.CreateGaugeInt64("testgaugeInt64", HelpText);
_theirGauge = TheirMetricFactory.CreateGauge("testgauge", HelpText);
}
public ResourceMiddleware(
RequestDelegate next,
ILogger <ResourceMiddleware> logger,
IOptions <ResourceMetricsOptions> ResourceMetricsOptionsAccessor,
IMetrics metrics)
{
_logger = logger;
_next = next;
_metrics = metrics;
// Setup the metrics.
_maxWorkingSet = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.MaxWorkingSetGauge);
_pagedMemorySize64 = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.PagedMemorySize64Gauge);
_nonpagedSystemMemorySize64 = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.NonpagedSystemMemorySize64Gauge);
_peakPagedMemorySize64 = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.PeakPagedMemorySize64Gauge);
_peakWorkingSet64 = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.PeakWorkingSet64Gauge);
_totalProcessorTime = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.TotalProcessorTimeGauge);
_userProcessorTime = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.UserProcessorTimeGauge);
_virtualMemorySize64 = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.VirtualMemorySize64Gauge);
_workingSet64 = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.WorkingSet64Gauge);
_threadsCount = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.ThreadsCountGauge);
_gcCollectionCount = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.GCCollectionCountGauge);
_gcTotalMemory = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.GCTotalMemoryGauge);
_lastGCTime = _metrics.Provider.Gauge.Instance(ResourceMetricsRegistry.LastGCTimeGauge);
}
/// <summary>
/// Sets the value of the gauge to the current Unix timestamp in seconds.
/// </summary>
public static void SetToCurrentTime(this IGauge gauge)
{
var unixTicks = DateTime.UtcNow.Ticks - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).Ticks;
// Convert to double first to ensure that we can report fractional seconds.
gauge.Set((double)unixTicks / TimeSpan.TicksPerSecond);
}
protected NodeBase(ICluster owner, IPEndPoint endpoint, IFailurePolicy failurePolicy, ISocket socket)
{
this.owner = owner;
this.endpoint = endpoint;
this.socket = socket;
this.failurePolicy = failurePolicy;
this.name = endpoint.ToString();
failLock = new Object();
writeQueue = new ConcurrentQueue<Data>();
readQueue = new Queue<Data>();
mustReconnect = true;
IsAlive = true;
counterEnqueuePerSec = Metrics.Meter("node write enqueue/sec", endpoint.ToString(), Interval.Seconds);
counterDequeuePerSec = Metrics.Meter("node write dequeue/sec", endpoint.ToString(), Interval.Seconds);
counterOpReadPerSec = Metrics.Meter("node op read/sec", endpoint.ToString(), Interval.Seconds);
counterWriteQueue = Metrics.Counter("write queue length", endpoint.ToString());
counterReadQueue = Metrics.Counter("read queue length", endpoint.ToString());
counterWritePerSec = Metrics.Meter("node write/sec", endpoint.ToString(), Interval.Seconds);
counterErrorPerSec = Metrics.Meter("node in error/sec", endpoint.ToString(), Interval.Seconds);
counterItemCount = Metrics.Counter("commands", endpoint.ToString());
gaugeSendSpeed = Metrics.Gauge("send speed", endpoint.ToString());
}
public AppMetricsGauge(IMetrics metrics, IGauge gauge, string bucket, string name)
{
_metrics = metrics;
_gauge = gauge;
Context = bucket;
Name = name;
}
private const long UnixEpochSeconds = UnixEpochTicks / TimeSpan.TicksPerSecond; // 62,135,596,800
/// <summary>
/// Sets the value of the gauge to the current UTC time as a Unix timestamp in seconds.
/// Value does not include any elapsed leap seconds because Unix timestamps do not include leap seconds.
/// </summary>
public static void SetToCurrentTimeUtc(this IGauge gauge)
{
// This gets us sub-millisecond precision, which is better than ToUnixTimeMilliseconds().
var ticksSinceUnixEpoch = DateTimeOffset.UtcNow.Ticks - UnixEpochSeconds * TimeSpan.TicksPerSecond;
var secondsSinceUnixEpoch = ticksSinceUnixEpoch / (double)TimeSpan.TicksPerSecond;
gauge.Set(secondsSinceUnixEpoch);
}
public static T TrackInProgress <T>(this IGauge gauge, Func <T> fun)
{
gauge.Increment();
var ret = fun.Invoke();
gauge.Decrement();
return(ret);
}
// Start is called before the first frame update
void Start()
{
image.color = color;
RectTransform rect = GetComponent <RectTransform>();
rect.pivot = pivot;
rect.sizeDelta = new Vector2(volume, 10);
gauge = new Gauge("HP", 100, 0, 200);
GetComponent <Slider>().value = gauge.NormalizedValue;
}
/// <inheritdoc />
public IGauge CreateGauge(string name, string help, bool delayPublish, string[] labels)
{
var gauges = new IGauge[_providers.Count];
for (var index = 0; index < gauges.Length; index++)
{
gauges[index] = _providers.ElementAt(index).Value.CreateGauge(name, help, delayPublish, labels);
}
return(gauges.Length == 1 ? gauges[0] : new Gauge(gauges, name, help, labels));
}
public void GaugeValueIsIncreased()
{
var tags = new Dictionary <string, string> {
{ "foo", "bar" }
};
NoopMetricsFactory metricsFactory = NoopMetricsFactory.Instance;
IGauge gauge = metricsFactory.CreateGauge("thegauge", tags);
gauge.Update(1);
}
/// <summary>
/// Tracks the number of in-progress operations taking place.
///
/// Calling this increments the gauge. Disposing of the returned instance decrements it again.
/// </summary>
/// <remarks>
/// It is safe to track the sum of multiple concurrent in-progress operations with the same gauge.
/// </remarks>
public static IDisposable TrackInProgress(this IGauge gauge)
{
if (gauge == null)
{
throw new ArgumentNullException(nameof(gauge));
}
gauge.Inc();
return(new InProgressTracker(gauge));
}
public GaugeTests()
{
noLabel = new DefaultGauge("noLabel", new GaugeOptions
{
Help = "help noLabels",
});
labeled = new DefaultGauge("labeled", new GaugeOptions
{
Help = "help labeled",
LabelNames = Labeled.SingleLabels
});
}
public void Configure(IMetricsRoot metrics)
{
Chunks = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = Context,
Name = "Chunks",
MeasurementUnit = Unit.None
});
RenderedChunks = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = Context,
Name = "Rendered Chunks",
MeasurementUnit = Unit.None
});
ChunkUpdatesQueued = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = Context,
Name = "Chunk Updates (Queued)",
MeasurementUnit = Unit.None
});
ChunkUpdateActive = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = Context,
Name = "Chunk Updates (Active)",
MeasurementUnit = Unit.None
});
Entities = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = Context,
Name = "Entities",
MeasurementUnit = Unit.None
});
RenderedEntities = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = Context,
Name = "Rendered Entities",
MeasurementUnit = Unit.None
});
RenderedVertices = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = Context,
Name = "Rendered Vertices",
MeasurementUnit = Unit.None
});
}
private void AddOverallScoreLabel(IGauge gauge, int score)
{
var scoreLabel = ((CircularGauge)gauge).AddLabel();
scoreLabel.AppearanceText.TextBrush = new SolidBrushObject
{
Color = System.Drawing.Color.White
};
scoreLabel.Text = score >= 0
? $"{score.ToString()}%"
: "N/A";
scoreLabel.AppearanceText.Font = new Font("Open Sans", 34, FontStyle.Bold);
scoreLabel.Size = new SizeF(300F, 300F);
}
public void GaugeValueIsIncreased()
{
var tags = new Dictionary <string, string> {
{ "foo", "bar" }
};
InMemoryMetricsFactory inMemoryMetricsFactory = new InMemoryMetricsFactory();
IGauge gauge = inMemoryMetricsFactory.CreateGauge("thegauge", tags);
Assert.Equal(0, inMemoryMetricsFactory.GetGauge("thegauge", tags));
gauge.Update(1);
Assert.Equal(1, inMemoryMetricsFactory.GetGauge("thegauge", tags));
}
private void AddCategoryScoreLabels(IGauge gauge, int score, bool isWeekly)
{
var scoreLabel = ((CircularGauge)gauge).AddLabel();
scoreLabel.Text = score >= 0
? $"{score.ToString()}%"
: "N/A";
scoreLabel.AppearanceText.Font = new Font("Open Sans", 32, FontStyle.Bold);
scoreLabel.Size = new SizeF(300F, 300F);
var infoLabel = ((CircularGauge)gauge).AddLabel();
infoLabel.Text = isWeekly ? "\n\nWeekly" : "\n\nQuarterly";
infoLabel.AppearanceText.Font = new Font("Open Sans", 17, FontStyle.Bold);
infoLabel.Size = new SizeF(300F, 300F);
}
/// <summary>
/// Initializes a new instance of the <see cref="FixedLimit" /> class.
/// </summary>
/// <param name="limit">The limit.</param>
/// <param name="metricsRegistry">The metrics registry.</param>
public FixedLimit(int limit, IMetricsRegistry metricsRegistry)
{
this.limit = limit;
var maxOperations = metricsRegistry.CreateGauge(
Metrics.MaxOperations.Name,
Metrics.MaxOperations.Description,
new[] { Metrics.Labels.LimitTypeName });
maxOperations.WithLabels(new[] { Metrics.Labels.LimitTypeValue }).Set(limit);
this.currentOperations = metricsRegistry.CreateGauge(
Metrics.CurrentOperations.Name,
Metrics.CurrentOperations.Description,
new[] { Metrics.Labels.LimitTypeName })
.WithLabels(new[] { Metrics.Labels.LimitTypeValue });
}
public void Configure(IMetricsRoot metrics)
{
ResourceCounter = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = Context,
Name = "Resources",
MeasurementUnit = Unit.Items,
// Tags = new MetricTags()
});
Memory = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = Context,
Name = "Memory Usage",
MeasurementUnit = Unit.Bytes,
// Tags = new MetricTags()
});
}
public void Configure(IMetricsRoot metrics)
{
ProcessPhysicalMemoryGauge = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = ContextName,
Name = "Environment Working Set",
MeasurementUnit = Unit.Bytes
});
ProcessTotalProcessorTime = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = ContextName,
Name = "CPU Time (total)",
MeasurementUnit = Unit.None
});
ProcessUserProcessorTime = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = ContextName,
Name = "CPU Time (user)",
MeasurementUnit = Unit.None
});
CpuUsage = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = ContextName,
Name = "CPU Usage",
MeasurementUnit = Unit.Percent
});
Threads = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = ContextName,
Name = "Threads",
MeasurementUnit = Unit.Threads
});
CompletionPorts = metrics.Provider.Gauge.Instance(new GaugeOptions()
{
Context = ContextName,
Name = "Completion Ports",
MeasurementUnit = Unit.None
});
}
/// <summary>
/// Initializes a new instance of the type
/// </summary>
/// <param name="dependencyService">A service that can be used to retrieve dependencies that were injected</param>
/// <param name="loggerFactory">A factory that can be used to create loggers</param>
/// <param name="metricFactory">A factory that can be used to create metrics</param>
/// <param name="webSocketConfiguration">The configuration of the web socket</param>
/// <param name="bufferPool">The buffer pool used to retreive arrays</param>
public WebSocketHandler(IDependencyService dependencyService, IWebSocketConfiguration webSocketConfiguration, IMetricFactory metricFactory, ILoggerFactory loggerFactory, IBufferPool bufferPool)
{
Guard.NotNull(nameof(metricFactory), metricFactory);
Guard.NotNull(nameof(loggerFactory), loggerFactory);
Guard.NotNull(nameof(bufferPool), bufferPool);
Guard.NotNull(nameof(webSocketConfiguration), webSocketConfiguration);
WebSocketConfiguration = webSocketConfiguration;
BufferPool = bufferPool;
SessionId = Guid.NewGuid();
MetricFactory = metricFactory;
Logger = loggerFactory.CreateLogger($"Session Handler: {SessionId:N}");
DependencyService = dependencyService;
_errorCounter = metricFactory.CreateCounter("WebSocket error counter", "Tracks the number of errors that have occurred since the start of the service", false, new string[0]);
_serviceSessionGauge = metricFactory.CreateGauge("WebSocket sessions in progress", "Tracks the number of sessions underway", false, new string[0]);
_sessionTimes = metricFactory.CreateSummary("WebSocket session iteration times", "Tracks the time taken to execute an iteration in the session", 10, false, new string[0]);
_receiveTimes = metricFactory.CreateSummary("WebSocket message receive time", "Tracks the time taken to receive a message", 10, false, new string[0]);
}
public ModuleLicensingService(ILogger <ModuleLicensingService> logger, ILicenseValidator licenseValidator,
IModuleMetrics moduleMetrics)
{
this.logger = logger;
this.licenseValidator = licenseValidator;
moduleInstanceName = Environment.GetEnvironmentVariable("IOTEDGE_MODULEID");
if (string.IsNullOrWhiteSpace(moduleInstanceName))
{
throw new InvalidOperationException($"IOTEDGE_MODULEID environment variable is null or blank.");
}
hostName = Environment.GetEnvironmentVariable("IOTEDGE_DEVICEID");
if (string.IsNullOrWhiteSpace(hostName))
{
throw new InvalidOperationException($"IOTEDGE_DEVICEID environment variable is null or blank.");
}
hubName = Environment.GetEnvironmentVariable("IOTEDGE_IOTHUBHOSTNAME");
if (string.IsNullOrWhiteSpace(hubName))
{
throw new InvalidOperationException($"IOTEDGE_IOTHUBHOSTNAME environment variable is null or blank.");
}
logger.LogInformation("Beginning periodic license validation for module {Module} on host {Host} for IoT Hub {Hub}",
moduleInstanceName, hostName, hubName);
licenseKey = Environment.GetEnvironmentVariable("MODULE_LICENSE_KEY");
if (string.IsNullOrWhiteSpace(licenseKey))
{
throw new InvalidOperationException($"MODULE_LICENSE_KEY environment variable is null or blank.");
}
logger.LogInformation("License key '{LicenseKey}' loaded from environment variable", licenseKey);
licenseCheckInterval = TimeSpan.FromHours(1);
maxConsecutiveCheckFailures = 36;
serviceStopping = new CancellationTokenSource();
consecutiveLicenseCheckFailures = moduleMetrics.CreateGauge(
"edgelicensing_consecutive_failures", "Consecutive edge licensing check failures");
remainingConsecutiveLicenseCheckFailures = moduleMetrics.CreateGauge(
"edgelicensing_remaining_consecutive_failures", "Remaining consecutive edge licensing check failures");
}
/// <summary>
/// Enables you to easily report elapsed seconds in the value of a gauge.
/// You need to manually call .ApplyDuration() on the returned instance to update the value of the gauge.
/// </summary>
public static Gauge.Timer StartTimer(this IGauge gauge)
{
return(new Gauge.Timer(gauge));
}
public BackgroundTaskQueue(IGauge queuedItemsGauge)
{
_queuedItemsGauge = queuedItemsGauge ?? throw new ArgumentNullException(nameof(queuedItemsGauge));
}
public IGauge Gauge(IGauge parent, string instance)
{
return(new DefaultGauge(parent, instance));
}
protected override void Visit(IGauge gauge)
{
sb.AppendFormat("{0} ({1}/{2})", gauge.Value, gauge.Min, gauge.Max);
}
protected abstract void Visit(IGauge gauge);
protected override void Visit(IGauge gauge)
{
sb.AppendFormat("{0} ({1}/{2})", gauge.Value, gauge.Min, gauge.Max);
}
public InProgressTracker(IGauge gauge)
{
_gauge = gauge;
}
public IGauge Gauge(IGauge parent, string instance)
{
return new DefaultGauge(parent, instance);
}
protected abstract void Visit(IGauge gauge);
public Timer(IGauge gauge)
{
_gauge = gauge;
_stopwatch = System.Diagnostics.Stopwatch.StartNew();
}