CLI command to display the agents fingerprint(s)

[catsby]

For operating or debugging, it would be helpful if I could run a command on a node and get some information on the results of the Fingerprints, both which ones ran, and what they recorded. This would be helpful for understanding why a job isn't placing where I thought it would, or debugging a Fingerprint.

Ex:

$ nomad node-status -fingerprint
Fingerprints ran:
- Java
  - version: 1.7...
- Docker
- CPU:
  - cores: 24
  - mhz: 9001
- Blah..
- Blah

[ryanuber]

Definitely want! 👍 Should be a pretty simple addition.

[cbednarski]

Also since the fingerprints all set node attributes, maybe there's a way we can just dump all of the node attributes and their current values?

[iverberk]

Is there still a need for the -fingerprint flag or is this fixed by #313? Otherwise I'd like to take a stab at implementing the flag.

[dadgar]

I think it is largely solved by that PR. I think it is best we close this PR. Thanks so much!

[github-actions]

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