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awyeah-api - aws-api for babashka

Cognitect's aws-api and babashka. Aw yeah.

awyeah-api is another Clojure library which provides programmatic access to AWS services from your Clojure or babashka program. Its raison d'être is to be a drop-in replacement for Cognitect's brilliant aws-api that will work from source with babashka.

awyeah-api should work with com.cognitect.aws/endpoints and com.cognitect.aws service packages.

Acknowledgements (and disclaimer)

This port is based on the great work done by the fine folks at Cognitect. I am not affiliated with Cognitect and this is not a Cognitect-distributed library.

Requirements

Requires babashka v1.0.170 or later (vjava.util.concurrent.ThreadFactory support).

deps

com.grzm/awyeah-api {:git/url "https://github.com/grzm/awyeah-api"
                     :git/sha "e5513349a2fd8a980a62bbe0d45a0d55bfcea141"
                     :git/tag "v0.8.84"}

Up to date with com.cognitect.aws/api {:mvn/version "0.8.686"} (tagged 2023-07-11).

In brief

Add to your deps.edn for Clojure or bb.edn for babashka:

deps.edn

{:deps {com.cognitect.aws/endpoints {:mvn/version "1.1.12.504"}
        com.cognitect.aws/s3 {:mvn/version "848.2.1413.0"}
        com.grzm/awyeah-api {:git/url "https://github.com/grzm/awyeah-api"
                             :git/sha "e5513349a2fd8a980a62bbe0d45a0d55bfcea141"
                             :git/tag "v0.8.84"}
        ;; dependencies included in babashka
        cheshire/cheshire {:mvn/version "5.12.0"}
        org.clojure/core.async {:mvn/version "1.6.681"}
        org.clojure/data.xml {:mvn/version "0.2.0-alpha8"}
        org.clojure/tools.logging {:mvn/version "1.2.4"}}}

bb.edn

Include org.babashka/spec.alpha

{:deps {com.cognitect.aws/endpoints {:mvn/version "1.1.12.504"}
        com.cognitect.aws/s3 {:mvn/version "848.2.1413.0"}
        com.grzm/awyeah-api {:git/url "https://github.com/grzm/awyeah-api"
                             :git/sha "e5513349a2fd8a980a62bbe0d45a0d55bfcea141"
                             :git/tag "v0.8.84"}
        org.babashka/spec.alpha {:git/url "https://github.com/babashka/spec.alpha"
                                 :git/sha "1a841c4cc1d4f6dab7505a98ed2d532dd9d56b78"}}}
(require '[com.grzm.awyeah.client.api :as aws])

(def s3 (aws/client {:api :s3}))

(def buckets (-> (aws/invoke s3 {:op :ListBuckets})
                 :Buckets))

(prn buckets)

Differences from aws-api

The com.cognitect/http-client used by aws-api automatically uncompresses S3 objects if they have the appropriate content-type metadata in S3. I've chosen not to replicate this behavior with the bundled HTTP client based on java.net.http as I think it's a bit of a misfeature to have enabled by default in a programmatic client library like this. (That said, that makes it less of a drop-in replacement, doesn't it? I may revisit this.)

See Porting Decisions if you're interested in the nitty gritty or are wondering why I made some decision or other.

Development

Get thee to a repl!

bb --classpath $(clojure -Spath -A:bb:dev:test) nrepl-server 1138

Testing

Run the tests against a LocalStack Docker container.

bin/dc up
bin/test
bin/dc down

Exclude Localstack tests

Sometimes you want to run tests but you don't want to stand up Localstack. This is currently convenient only with JVM Clojure.

clj -X:clj:dev:test :excludes '[:integration]'

Some additional testing notes so I don't have to look up each time I do awyeah-api maintenance.

Select namespaces to test:

clj -X:clj:dev:test :nses '[com.grzm.awyeah.util-test]'

Testing aws-api

It's useful to run aws-api tests to compare behavior. These are run in an aws-api repo checkout.

Selecting namespaces to test:

clj -M:dev:test -n cognitect.aws.util-test

Thanks

Much thanks to Michiel Borkent for babashka and providing support and guidance in getting the pieces in place (java.net.http and various other Java classes) to make this library possible.

Copyright and License

Mostly © 2015 Cognitect

Parts © 2022–2023 Michael Glaesemann

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.