Added ci workflows

.circleci/build_and_push.sh

@@ -2,7 +2,7 @@
 set -e
 aws ecr get-login --region $AWS_REGION --no-include-email | bash
 echo "Building docker image..."
-cp pkg/fluent-plugin-kubernetes-metrics-*.gem docker
+cp /tmp/pkg/fluent-plugin-kubernetes-metrics-*.gem docker
 echo "Copy latest fluent-plugin-splunk-hec gem from S3"
 aws s3 cp s3://k8s-ci-artifacts/fluent-plugin-splunk-hec-${FLUENT_SPLUNK_HEC_GEM_VERSION}.gem ./docker
 docker build --no-cache -t splunk/fluent-plugin-kubernetes-metrics:metrics ./docker

.circleci/config.yml

@@ -3,36 +3,74 @@ jobs:
   build:
     docker:
       - image: circleci/ruby:2.6.1-node-browsers
-
     working_directory: ~/repo
-
     steps:
       - checkout
       - setup_remote_docker:
           reusable: true
       - run:
           name: Install dependencies
           command: |
-            gem install bundler -v 2.0.1
-            bundle update --bundler
-            bundle install
-
+            .circleci/install_dep.sh
       - run:
           name: Builder
           command: |
             rake build -t -v
+            cp -R pkg /tmp
+      - persist_to_workspace:
+          root: /tmp
+          paths:
+            - pkg
 
+  test:
+    docker:
+       - image: circleci/ruby:2.6.1-node-browsers
+    working_directory: ~/repo
+    steps:
+      - attach_workspace:
+          at: /tmp
+      - checkout
+      - setup_remote_docker:
+           reusable: true
+      - run:
+          name: Install dependencies
+          command: |
+            .circleci/install_dep.sh
       - run:
           name: Run unit tests
           command: |
             rake test -t -v
 
+  push:
+    docker:
+      - image: circleci/ruby:2.6.1-node-browsers
+    working_directory: ~/repo
+    steps:
+      - attach_workspace:
+          at: /tmp
+      - checkout
+      - setup_remote_docker:
+          reusable: true
       - run:
           name: Push rubygem to s3
           command: |
             .circleci/push_gem.sh
-
       - run:
           name: Build and push docker image to ecr
           command: |
-            .circleci/build_and_push.sh
+            .circleci/build_and_push.sh
+
+workflows:
+  version: 2
+  build_test_push:
+    jobs:
+      - build
+      - test:
+          requires:
+            - build
+      - push:
+          requires:
+            - test
+          filters:
+            branches:
+              only: develop

.circleci/install_dep.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+set -e
+gem install bundler
+bundle update --bundler
+bundle install

.circleci/push_gem.sh

@@ -4,4 +4,4 @@ sudo apt-get install -y python-pip libpython-dev > /dev/null 2>&1
 echo "Installing aws cli..."
 sudo pip install awscli > /dev/null 2>&1
 echo "Pushing metrics gem to s3..."
-aws s3 cp pkg/*.gem s3://k8s-ci-artifacts/
+aws s3 cp /tmp/pkg/*.gem s3://k8s-ci-artifacts/