1.
Confidential │ ©2020 VMware, Inc.
Observability
Enhancements in
Steeltoe
Hananiel Sarella
Sr. Engineer / Steeltoe at VMware
Sep 2, 2020

2.
Confidential │ ©2020 VMware, Inc.
Agenda
2
Observability
Steeltoe
Enhancing the .NET DevEx
Metrics & Tracing
Auto-Collectors, Exporters & Integrations
Integrations
Grafana, Wavefront, Tanzu & Spring Boot Admin
Demo
Q&A

3.
Confidential │ ©2020 VMware, Inc. 3
Observability
A key component of reliable microservices.

4.
Confidential │ ©2020 VMware, Inc. 4
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.

5.
5Confidential │ ©2020 VMware, Inc.
“We take an opinionated view of the
Spring platform and third-party
libraries so you can get started with
minimum fuss.”
-- Spring Boot

6.
Confidential │ ©2020 VMware, Inc. 6
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

7.
Confidential │ ©2020 VMware, Inc. 7
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

8.
Confidential │ ©2020 VMware, Inc. 8
Metrics in Steeltoe 3.0
Move from OpenCensus to OpenTelemetry
Updated to use EventCounters and
EventListeners
Support for Prometheus

9.
Confidential │ ©2020 VMware, Inc. 9
Automatically adds the following Observers:
• AspNetCore Hosting Observer
• GC Events
• EventCounter Events
• ThreadPool Events
Optionally available:
• Hystrix Events
Steeltoe Metric Observers

10.
Confidential │ ©2020 VMware, Inc. 10
Observers are automatically added when you add the Metrics Actuator
Or the Prometheus Actuator:
Code Sample - Observers

11.
Confidential │ ©2020 VMware, Inc. 11
Observers support the following options:
Observers Options

12.
Confidential │ ©2020 VMware, Inc. 12
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

13.
Confidential │ ©2020 VMware, Inc. 13
Metrics Actuator /metrics
Prometheus Actuator /prometheus
Trace Actuator /httptrace
Zipkin Exporter (push model)
Exporting Metrics & Traces - Code

14.
Confidential │ ©2020 VMware, Inc. 14
Grafana
Wavefront
Tanzu
Spring Boot admin
Integrations

15.
Confidential │ ©2020 VMware, Inc. 15
Spring Boot Admin

16.
Confidential │ ©2020 VMware, Inc. 16
Tanzu

17.
Confidential │ ©2020 VMware, Inc. 17
Grafana
Scrape
Query

18.
Confidential │ ©2020 VMware, Inc. 18
Wavefront
Scrape

19.
Confidential │ ©2020 VMware, Inc. 19
Demo: Integrating with Wavefront

20.
Confidential │ ©2020 VMware, Inc. 20
Demo: Integrating with Wavefront

21.
Confidential │ ©2020 VMware, Inc. 21
Demo: Integrating with Wavefront

22.
Confidential │ ©2020 VMware, Inc. 22
Demo: Integrating with Grafana

23.
Confidential │ ©2020 VMware, Inc. 23
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

24.
Confidential │ ©2020 VMware, Inc.
Thank You