SpringOne 2020 Observability Enhancements in Steeltoe Hananiel Sarella, Staff Software Engineer at VMware

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Observability
Enhancements in
Steeltoe
Hananiel Sarella
Sr. Engineer / Steeltoe at VMware
Sep 2, 2020

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Agenda
2
Observability
Steeltoe
Enhancing the .NET DevEx
Metrics & Tracing
Auto-Collectors, Exporters & Integrations
Integrations
Grafana, Wavefront, Tanzu & Spring Boot Admin
Demo
Q&A

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Observability
A key component of reliable microservices.

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What is Steeltoe?
Created in 2015, Steeltoe is an open source
project that enables .NET developers to
build resilient, best practice microservices
for the cloud.

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“We take an opinionated view of the
Spring platform and third-party
libraries so you can get started with
minimum fuss.”
-- Spring Boot

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Streaming Support, Platform support for Azure Spring Cloud, Kubernetes,
Discovery, Connectors and more
Focus on multi-cloud
Attend: State of Steeltoe 2020 by Tim Hess
New in Steeltoe 3.0

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Three Pillars of Observability - Logs, Traces & Metrics
Logs – Dynamic Logging, Serilog
Tracing – Export traces in open formats.
Management Endpoints :
Logging, Trace, Metrics, Prometheus, Thread Dump, Heap Dump
Spring Boot Admin Client support – Dashboards anywhere.
Metrics – Observers (Autocollectors) and Exporters
Steeltoe Observability

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Metrics in Steeltoe 3.0
Move from OpenCensus to OpenTelemetry
Updated to use EventCounters and
EventListeners
Support for Prometheus

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Automatically adds the following Observers:
• AspNetCore Hosting Observer
• GC Events
• EventCounter Events
• ThreadPool Events
Optionally available:
• Hystrix Events
Steeltoe Metric Observers

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Observers are automatically added when you add the Metrics Actuator
Or the Prometheus Actuator:
Code Sample - Observers

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Observers support the following options:
Observers Options

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Exporting Metrics & Traces
Component Method Default Uri
Metrics Actuator Pull /actuator/metrics
Prometheus Actuator Pull /actuator/prometheus
Trace Actuator Pull /actuator/httptrace
Zipkin Exporter Push /api/v2/spans

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Metrics Actuator /metrics
Prometheus Actuator /prometheus
Trace Actuator /httptrace
Zipkin Exporter (push model)
Exporting Metrics & Traces - Code

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Grafana
Wavefront
Tanzu
Spring Boot admin
Integrations

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Spring Boot Admin

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Tanzu

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Grafana
Scrape
Query

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Wavefront
Scrape

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Demo: Integrating with Wavefront

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Demo: Integrating with Wavefront

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Demo: Integrating with Wavefront

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Demo: Integrating with Grafana

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Docs: https://www.steeltoe.io/
Main Repo: https://github.com/SteeltoeOSS/Steeltoe
Samples:
https://github.com/SteeltoeOSS/Samples/tree/s1p/CircuitBreaker
Observability:
https://github.com/steeltoeoss-incubator/observability/
https://www.steeltoe.io/observability
: steeltoeteam.slack.com

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Thank You