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Just enough data: agent and kernel #47

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vreynolds opened this issue Aug 1, 2023 · 0 comments · Fixed by #52
Closed
5 tasks done

Just enough data: agent and kernel #47

vreynolds opened this issue Aug 1, 2023 · 0 comments · Fixed by #52
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@JamieDanielson
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Trial with HNY Do...

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@vreynolds
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vreynolds commented Aug 1, 2023 •
edited by JamieDanielson
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These events will allow users to understand the rate of network requests, duration, user agents, and errors (via status codes), attribute to service and to K8s cluster, pod, namespace, and host.

Initial telemetry:

  • request counts
  • duration
  • agent version
  • kernel version
  • BTF is enabled
@vreynolds vreynolds added this to the Trial with HNY Dogfood milestone Aug 1, 2023
@vreynolds vreynolds changed the title Just enough data Just enough data: agent and kernel Aug 2, 2023
@JamieDanielson JamieDanielson self-assigned this Aug 2, 2023
@JamieDanielson JamieDanielson mentioned this issue Aug 2, 2023
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JamieDanielson added a commit that referenced this issue Aug 3, 2023
@JamieDanielson @MikeGoldsmith
feat: Log and add agent, kernel and btfEnabled to events (#52)
b0bb6c8 
## Which problem is this PR solving?

Adds agent, kernel and btf enabled fields to events.

- Closes #47 

## Short description of the changes
- Add BtfEnabled func to utils
- Log agent version, kernel version and if btf is enabled at startup
- Add agent version, kernel version and btfEnabled fields to all events

## How to verify that this has the expected result
- Agent logs agent version, kernel version and if btf is enabled at
start up
- Events sent to Honeycomb include fields for agent version, kernel
version and if btf is enabled

```sh
# Local Docker Desktop:
2023-08-03 10:15:00 2023/08/03 14:15:00 Starting Honeycomb eBPF agent v0.0.2
2023-08-03 10:15:00 2023/08/03 14:15:00 Host kernel version: 5.15.49
2023-08-03 10:15:00 2023/08/03 14:15:00 BTF enabled: false

# EKS on ARM
2023/08/03 14:19:26 Starting Honeycomb eBPF agent v0.0.2
2023/08/03 14:19:26 Host kernel version: 5.10.184
2023/08/03 14:19:26 BTF enabled: true
```


![event-with-metadata-eks-docker](https://github.com/honeycombio/honeycomb-ebpf-agent/assets/29520003/c2083f6c-411e-4a79-98b4-2bfc419af610)

---------

Co-authored-by: Mike Goldsmth <goldsmith.mike@gmail.com>
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feat: Log and add agent, kernel and btfEnabled to events honeycombio/honeycomb-network-agent
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@vreynolds @JamieDanielson