move CI to github actions (#83)

* move CI to github actions

* use covertool and codecov github action

.github/workflows/main.yml

@@ -0,0 +1,39 @@
+name: Common Test
+
+on:
+  pull_request:
+    branches:
+      - 'master'
+  push:
+    branches:
+      - 'master'
+
+jobs:
+  build:
+    name: Test on OTP ${{ matrix.otp_version }} and ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        otp_version: ['23.0.2', '22.3.4.2', '21.3.8.16']
+        os: [ubuntu-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: gleam-lang/setup-erlang@v1.0.0
+      with:
+        otp-version: ${{ matrix.otp_version }}
+
+    - name: Compile
+      run: rebar3 compile
+    - name: EUnit tests
+      run: rebar3 eunit
+    - name: Dialyzer
+      run: rebar3 dialyzer
+    - name: XRef
+      run: rebar3 xref
+    - name: Covertool
+      run: rebar3 covertool generate
+    - uses: codecov/codecov-action@v1
+      with:
+        file: _build/test/covertool/opentelemetry.covertool.xml

README.md

@@ -3,7 +3,7 @@ OpenTelemetry
 
 [![EEF Observability WG project](https://img.shields.io/badge/EEF-Observability-black)](https://github.com/erlef/eef-observability-wg)
 [![Hex.pm](https://img.shields.io/hexpm/v/opentelemetry)](https://hex.pm/packages/opentelemetry)
-![CircleCI](https://img.shields.io/circleci/build/github/open-telemetry/opentelemetry-erlang)
+![Build Status](https://github.com/open-telemetry/opentelemetry-erlang/workflows/Common%20Test/badge.svg)
 
 OpenTelemetry stats collection and distributed tracing framework for Erlang.