Add a UUID tremor-script module

[mfelsche]

Describe the problem you are trying to solve

Especially for correlation purposes, UUIDs are a common standard to create unique identifiers (where simple monotonically increasing numeric counters don't suffice). It would be nice to have a tremor-script module that exposes the means of creating and parsing uuids.

Describe the solution you'd like

A stdlib module exposing functions to create and parse the different existing uuid variants.

• There is a uuid crate: https://crates.io/crates/uuid (this should suffice for starters)
• There is a thing called ulid which is also very interesting: https://crates.io/crates/ulid
• A Draft RFC suggesting UUIDv6, v7, v8https://datatracker.ietf.org/doc/html/draft-peabody-dispatch-new-uuid-format-01

Maybe other techniques for unique identifiers are also interesting and could be submerged into a std::id or other module.
See for example the list in this section: https://datatracker.ietf.org/doc/html/draft-peabody-dispatch-new-uuid-format-01#section-2

[ramonacat]

What output would be expected from parsing UUIDs? I know those can be parsed into their respective fields, but that honestly doesn't seem all that useful in my opinion.
Also, which versions of UUIDs should tremor support? Is only v4 sufficient?
v1 is especially nasty since it depends on the MAC address of the machine (and the algorithm description starts with "Obtain a system-wide global lock", which I guess is not that great for performance - https://datatracker.ietf.org/doc/html/rfc4122#section-4.2.1)

[mfelsche]

UUIDv4 suffices for starters. This is the most useful and widely used. A string could be parsed to its 128 bit number or (if we dont support this out of the box) to a list of two 64bit numbers. A struct with all the fields might also be interesting for some usecases. I could imagine stdlib functions in this module to extract single uuid fields from a given string.

But generating UUIDv4 as strings is the most important feature wrt UUIDs in general. (Imho)

[milantracy]

is the issue still valid?

i would like to give it a try

[Licenser]

Hi @milantracy ,

yes it is :) it'd be greatifg you gave it a try. Feel free to come by the discord server if you need some help or want feedback.