Initial release.

Author: metaskills

.github/workflows/ci.yml

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+name: CI
+on: [push]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby:
+          - '2.5'
+          - '2.7'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Setup Ruby
+        uses: actions/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+      - name: Bundle
+        run: |
+          ./bin/setup
+      - name: Test
+        run: |
+          ./bin/test

.gitignore

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+/.bundle/
+/.yardoc
+/_yardoc/
+/coverage/
+/doc/
+/pkg/
+/spec/reports/
+/tmp/

CHANGELOG.md

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+
+# Keep A Changelog!
+
+See this http://keepachangelog.com link for information on how we want this documented formatted.
+
+## v0.1.0
+
+### Added
+
+- Initial Release!!! 🎉🎊🥳

CODE_OF_CONDUCT.md

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+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, gender identity and expression, level of experience,
+nationality, personal appearance, race, religion, or sexual identity and
+orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at ken@metaskills.net. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at [https://contributor-covenant.org/version/1/4][version]
+
+[homepage]: https://contributor-covenant.org
+[version]: https://contributor-covenant.org/version/1/4/

Gemfile

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+source "https://rubygems.org"
+gemspec
+
+gem 'rake'
+gem 'minitest'
+
+group :test do
+  gem 'mocha'
+  gem 'pry'
+end

Gemfile.lock

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+PATH
+  remote: .
+  specs:
+    aws-embedded-metrics-customink (0.1.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    coderay (1.1.3)
+    method_source (1.0.0)
+    minitest (5.14.1)
+    mocha (1.11.2)
+    pry (0.13.1)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    rake (13.0.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  aws-embedded-metrics-customink!
+  minitest
+  mocha
+  pry
+  rake
+
+BUNDLED WITH
+   2.1.2

LICENSE.txt

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+The MIT License (MIT)
+
+Copyright (c) 2020 Ken Collins
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+# Aws::Embedded::Metrics for Ruby [![Actions Status](https://github.com/customink/aws-embedded-metrics-customink/workflows/CI/badge.svg)](https://github.com/customink/aws-embedded-metrics-customink/actions)
+
+⚠️ Bare minimum code to explore [Amazon CloudWatch Embedded Metrics](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch_Embedded_Metric_Format.html) with Ruby. Any and all help welcome to raise the quality of our implementation.
+
+#### Inspiration
+
+Pulled from these two projects using the [Embedded Metric Format Specification](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch_Embedded_Metric_Format_Manual.html) as a reference guide.
+
+* Node: https://github.com/awslabs/aws-embedded-metrics-node
+* Python: https://github.com/awslabs/aws-embedded-metrics-python
+
+However, unlike these projects, we differ in the following ways. Again, contributions are very much welcome if you want to see more or change this.
+
+* Initial focus on Lambda. No other sinks.
+* As such, no default Dimensions or Configuraiton for:
+  - `LogGroupName`
+  - `LogStreamName`
+  - `ServiceName`
+  - `ServiceType`
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+```ruby
+gem 'aws-embedded-metrics-customink'
+```
+## Usage
+
+Simple configuration.
+
+```ruby
+Aws::Embedded::Metrics.configure do |c|
+  c.namespace = 'MyApplication'
+end
+```
+
+Usage is in a scope block. All metrics are flushed afterward
+
+```ruby
+Aws::Embedded::Metrics.logger do |metrics|
+  metrics.put_dimension 'SomeDimension', 'SomeDimensionValue'
+  metrics.set_property  'EventKey', 'some/s3/path'
+  metrics.put_metric    'Processor', 232, 'Milliseconds'
+  metrics.put_metric    'Total', 4008, 'Milliseconds'
+end
+```
+
+## Development
+
+After checking out the repo, run `bin/setup` to install dependencies. Then, run `bin/test` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
+
+To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+
+## Contributing
+
+Bug reports and pull requests are welcome on GitHub at https://github.com/customink/aws-embedded-metrics-customink. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [code of conduct](https://github.com/customink/aws-embedded-metrics-customink/blob/master/CODE_OF_CONDUCT.md).
+
+## License
+
+The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).
+
+## Code of Conduct
+
+Everyone interacting in the Aws::Embedded::Metrics project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/customink/aws-embedded-metrics-customink/blob/master/CODE_OF_CONDUCT.md).

Rakefile

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+require "bundler/gem_tasks"
+require "rake/testtask"
+
+Rake::TestTask.new(:test) do |t|
+  t.libs << "test"
+  t.libs << "lib"
+  t.test_files = FileList["test/**/*_test.rb"]
+end
+
+task :default => :test

aws-embedded-metrics-customink.gemspec

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+require_relative 'lib/aws-embedded-metrics-customink/version'
+
+Gem::Specification.new do |spec|
+  spec.name          = "aws-embedded-metrics-customink"
+  spec.version       = Aws::Embedded::Metrics::VERSION
+  spec.authors       = ["Ken Collins"]
+  spec.email         = ["ken@metaskills.net"]
+  spec.summary       = 'Amazon CloudWatch Embedded Metric Format Client Library'
+  spec.description   = 'Amazon CloudWatch Embedded Metric Format Client Library for Ruby.'
+  spec.homepage      = 'https://github.com/customink/aws-embedded-metrics-customink'
+  spec.license       = "MIT"
+  spec.required_ruby_version = Gem::Requirement.new(">= 2.3.0")
+  spec.metadata['allowed_push_host'] = 'http://mygemserver.com'
+  spec.metadata['homepage_uri'] = spec.homepage
+  spec.metadata['source_code_uri'] = 'https://github.com/customink/aws-embedded-metrics-customink'
+  spec.metadata['changelog_uri'] = 'https://github.com/customink/aws-embedded-metrics-customink/blob/master/CHANGELOG.md'
+  spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
+    `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+  end
+  spec.bindir        = "exe"
+  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.require_paths = ["lib"]
+end

bin/console

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+#!/usr/bin/env ruby
+
+require "bundler/setup"
+require "aws-embedded-metrics-customink"
+
+# You can add fixtures and/or initialization code here to make experimenting
+# with your gem easier. You can also use a different console, if you like.
+
+# (If you use this, don't forget to add pry to your Gemfile!)
+# require "pry"
+# Pry.start
+
+require "irb"
+IRB.start(__FILE__)

bin/setup

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+#!/usr/bin/env bash
+set -euo pipefail
+IFS=$'\n\t'
+set -vx
+
+bundle install
+
+# Do any other automated setup that you need to do here

bin/test

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+#!/usr/bin/env bash
+set -euo pipefail
+IFS=$'\n\t'
+set -vx
+
+bundle exec rake test

lib/aws-embedded-metrics-customink.rb

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+require 'json'
+require 'benchmark'
+require 'aws-embedded-metrics-customink/version'
+require 'aws-embedded-metrics-customink/config'
+require 'aws-embedded-metrics-customink/sinks'
+require 'aws-embedded-metrics-customink/logger'
+
+module Aws
+  module Embedded
+    module Metrics
+
+      def configure
+        Config.configure { |c| yield(c) }
+      end
+
+      def reconfigure
+        Config.reconfigure { |c| yield(c) if block_given? }
+      end
+
+      def logger
+        Logger.new.tap do |l|
+          l.metrics { |m| yield(m) } if block_given?
+        end
+      end
+
+      def sink
+        @sink ||= Sinks::Lambda.new
+      end
+
+      extend self
+
+    end
+  end
+end

lib/aws-embedded-metrics-customink/config.rb

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+module Aws
+  module Embedded
+    module Metrics
+      module Config
+
+        def configure
+          yield(config)
+          config
+        end
+
+        def reconfigure
+          config.reconfigure { |c| yield(c) if block_given? }
+        end
+
+        def config
+          @config ||= Configuration.new
+        end
+
+        extend self
+
+        class Configuration
+
+          attr_writer :namespace
+
+          def reconfigure
+            instance_variables.each { |var| instance_variable_set var, nil }
+            yield(self) if block_given?
+            self
+          end
+
+          def namespace
+            return @namespace if defined?(@namespace)
+            ENV['AWS_EMF_NAMESPACE'] || 'aws-embedded-metrics'
+          end
+
+        end
+      end
+    end
+  end
+end