VM::EC...ityZone(3pm)

💖 VM::EC2::DB::AvailabilityZone 💖

okay bestie, gather round, because this is one of those tiny little Perl modules from the User Contributed Perl Documentation collection that you're gonna meet at 2am and be like "wait who are you" — and then you'll be obsessed. it's giving VM::EC2::DB::AvailabilityZone, it's a 3pm page, and no cap it's just here to hold one (1) single vibe: your RDS Database Availability Zone. 🦋

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✨ NAME ✨

VM::EC2::DB::AvailabilityZone — An RDS Database Availability Zone. that's it, that's the whole identity. she's focused, she's iconic, she knows exactly what she is. 💅

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🌸 SYNOPSIS 🌸

here's the whole thing, verbatim, because we do NOT paraphrase code in this house:

use VM::EC2;

$ec2 = VM::EC2->new(...);
@options = $ec2->describe_orderable_db_instance_options(-engine => 'mysql');
foreach $option (grep { $_->DBInstanceClass eq 'db.m2.4xlarge' } @options) {
  foreach $zone (grep { $_->ProvisionedIopsCapable } $option->AvailabilityZones) {
    print $option->Engine,' ',$option->EngineVersion,' ',$zone,"\n";
  }
}

so like. you spin up a VM::EC2 object, you ask AWS for the orderable DB instance options filtered to -engine => 'mysql', you grep down to the ones whose DBInstanceClass is literally 'db.m2.4xlarge', and then — the main character move — you walk through each option's AvailabilityZones and keep only the ones where ProvisionedIopsCapable is true. then you print the engine, the engine version, and the zone. 🎀

heads up bestie: that ... inside VM::EC2->new(...) is straight from the original example, so keep it exactly like that. we don't editorialize in code. ✨

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💜 DESCRIPTION 💜

okay so the actual lore: this object represents an Availability Zone as part of an Orderable DB Instance Option.

and the way you get one? it's returned as an element of a VM::EC2->describe_orderable_db_instance_options() call. so it's not like something you go build yourself in a new() with a bunch of args, no no. it just ✨appears✨ in your life when you call that describe method, like a butterfly landing on your hand. 🦋

one zone, one little object, one very specific context. simple. elegant. ate. 💅

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🎀 STRING OVERLOADING 🎀

in string context, the object returns the Availability Zone name.

that's it. that's the whole feature. so when you interpolate it into a string (like in the SYNOPSIS where $zone gets printed), you don't get some cursed VM::EC2::DB::AvailabilityZone=HASH(0x...) situation. you get the actual zone name. 😭 truly the bare minimum and yet so many modules fumble it. not her. she gets it right. periodt.

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👑 SEE ALSO 👑

go read these next, bestie, they're the friend group:

• VM::EC2
• VM::EC2::Generic
• VM::EC2::DB::Instance

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🌈 AUTHOR 🌈

Lance Kinley <lkinley@loyaltymethods.com>.

Copyright (c) 2013 Loyalty Methods, Inc.

and here's the legal bit, keeping every word because licensing is NOT the place to freestyle:

This package and its accompanying libraries is free software; you can redistribute it and/or modify it under the terms of the GPL (either version 1, or at your option, any later version) or the Artistic License 2.0. Refer to LICENSE for the full license text. In addition, please see DISCLAIMER.txt for disclaimers of warranty.

ngl "refer to LICENSE" and "see DISCLAIMER.txt" are doing a lot of heavy lifting there. read them. fr fr. 🙈

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okay that's the whole page, and yes it's short, but she's a supporting character in a bigger ensemble and she plays her part flawlessly. 🫶 this was perl v5.38.2, dated 2024-08-10, and that's a wrap on VM::EC2::DB::AvailabilityZone — stay zoned, stay available, mwah. 💖✨🌸