Add testing for ubuntu18.04

Author: yorinasub17

.circleci/config.yml

@@ -5,16 +5,27 @@ jobs:
     steps:
       - checkout
       - run: docker-compose up shellcheck
-  bats:
+
+  bats_ubuntu1604:
     # We need to run Docker Compose with privileged settings, which isn't supported by CircleCI's Docker executor, so
     # we have to use the machine executor instead.
     machine: true
     steps:
       - checkout
-      - run: docker-compose up bats
+      - run: docker-compose up bats_ubuntu1604
+
+  bats_ubuntu1804:
+    # We need to run Docker Compose with privileged settings, which isn't supported by CircleCI's Docker executor, so
+    # we have to use the machine executor instead.
+    machine: true
+    steps:
+      - checkout
+      - run: docker-compose up bats_ubuntu1804
+
 workflows:
   version: 2
   checks:
     jobs:
       - shellcheck
-      - bats
+      - bats_ubuntu1604
+      - bats_ubuntu1804

Dockerfile.bats Dockerfile.ubuntu16.04.batsDockerfile.bats renamed to Dockerfile.ubuntu16.04.bats

@@ -0,0 +1,24 @@
+FROM ubuntu:18.04
+MAINTAINER Gruntwork <info@gruntwork.io>
+
+# Install basic dependencies
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
+    apt-get install -y vim python-pip jq sudo curl
+
+# Install Bats
+RUN apt-get install -y software-properties-common && \
+    add-apt-repository ppa:duggan/bats && \
+    DEBIAN_FRONTEND=noninteractive apt-get update && \
+    apt-get install -y bats
+
+# Install AWS CLI
+RUN pip install awscli --upgrade --user
+
+# Install moto: https://github.com/spulec/moto
+RUN pip install flask moto moto[server]
+
+# Install tools we'll need to create a mock EC2 metadata server
+RUN apt-get install -y net-tools iptables
+
+# Copy mock AWS CLI into the PATH
+COPY ./.circleci/aws-local.sh /usr/local/bin/aws

Dockerfile.ubuntu18.04.bats

@@ -8,10 +8,26 @@ services:
       - ./:/usr/local/src/bash-commons
     working_dir: /usr/local/src/bash-commons/.circleci
     command: ./shellcheck.sh
-  bats:
+  bats_ubuntu1604:
     build:
       context: ./
-      dockerfile: Dockerfile.bats
+      dockerfile: Dockerfile.ubuntu16.04.bats
+    volumes:
+      # Mount all the files so you have "hot reload" of all changes from the host
+      - ./:/usr/local/src/bash-commons
+    working_dir: /usr/local/src/bash-commons
+    command: bats test
+    # Necessary so we can run a mock EC2 metadata service on port 80 on a special IP
+    privileged: true
+    ports:
+      # For moto
+      - "5000:5000"
+      # For ec2-metadata-mock
+      - "8111:8111"
+  bats_ubuntu1804:
+    build:
+      context: ./
+      dockerfile: Dockerfile.ubuntu18.04.bats
     volumes:
       # Mount all the files so you have "hot reload" of all changes from the host
       - ./:/usr/local/src/bash-commons