public DeploymentMetrics(IMetricsProvider metricsProvider, string storageFolder, ISystemTime time = null)
{
this.systemTime = time ?? SystemTime.Instance;
this.availabilities = new List <Availability>();
this.edgeAgent = new Lazy <Availability>(() => new Availability(Constants.EdgeAgentModuleName, this.CalculateEdgeAgentDowntime(), this.systemTime));
Preconditions.CheckNotNull(metricsProvider, nameof(metricsProvider));
this.running = metricsProvider.CreateGauge(
"total_time_running_correctly_seconds",
"The amount of time the module was specified in the deployment and was in the running state",
new List <string> {
"module_name", MetricsConstants.MsTelemetry
});
this.expectedRunning = metricsProvider.CreateGauge(
"total_time_expected_running_seconds",
"The amount of time the module was specified in the deployment",
new List <string> {
"module_name", MetricsConstants.MsTelemetry
});
this.unsuccessfulSyncs = metricsProvider.CreateCounter(
"unsuccessful_iothub_syncs",
"The amount of times edgeAgent failed to sync with iotHub",
new List <string> {
MetricsConstants.MsTelemetry
});
this.totalSyncs = metricsProvider.CreateCounter(
"iothub_syncs",
"The amount of times edgeAgent attempted to sync with iotHub, both successful and unsuccessful",
new List <string> {
MetricsConstants.MsTelemetry
});
this.deploymentTime = metricsProvider.CreateHistogram(
"deployment_time_seconds",
"The amount of time it took to complete a new deployment",
new List <string> {
MetricsConstants.MsTelemetry
});
this.manifestIntegrityFlag = metricsProvider.CreateGauge(
"manifest_integrity_flag",
"The value is 1 if manifest integrity is present or 0 if not present, tags indicate which integrity components are present",
new List <string> {
"signing_with_ca_enabled", "signing_with_integrity_enabled", MetricsConstants.MsTelemetry
});
this.twinSignatureChecks = metricsProvider.CreateCounter(
"twin_signature_check_count",
"The number of twin signature checks, both successful and unsuccessful",
new List <string> {
"result", "algorithm", MetricsConstants.MsTelemetry
});
this.twinSignatureTime = metricsProvider.CreateTimer(
"twin_signature_check_seconds",
"The amount of time it took to verify twin signature",
new List <string> {
MetricsConstants.MsTelemetry
});
string storageDirectory = Path.Combine(Preconditions.CheckNonWhiteSpace(storageFolder, nameof(storageFolder)), "availability");
try
{
Directory.CreateDirectory(storageDirectory);
this.checkpointFile = Path.Combine(storageDirectory, "avaliability.checkpoint");
this.updateCheckpointFile = new PeriodicTask(this.UpdateCheckpointFile, this.checkpointFrequency, this.checkpointFrequency, this.log, "Checkpoint Availability", false);
}
catch (Exception ex)
{
this.log.LogError(ex, "Could not create checkpoint directory");
}
}