Added release workflows (#16)

Author: chaitanyaphalak

.circleci/build_and_push.sh

@@ -4,8 +4,7 @@ aws ecr get-login --region $AWS_REGION --no-include-email | bash
 echo "Building docker image..."
 cp /tmp/pkg/fluent-plugin-kubernetes-objects-*.gem docker
 echo "Copy latest fluent-plugin-splunk-hec gem from S3"
-aws s3 cp s3://k8s-ci-artifacts/fluent-plugin-splunk-hec-${FLUENT_SPLUNK_HEC_GEM_VERSION}.gem ./docker
-docker build --no-cache -t splunk/fluent-plugin-kubernetes-objects:ci ./docker
+docker build --build-arg VERSION=$FLUENT_SPLUNK_HEC_GEM_VERSION --no-cache -t splunk/fluent-plugin-kubernetes-objects:ci ./docker
 docker tag splunk/fluent-plugin-kubernetes-objects:ci $AWS_ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com/k8s-ci-objects:latest
 echo "Push docker image to ecr..."
 docker push $AWS_ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com/k8s-ci-objects:latest | awk 'END{print}'

.circleci/build_and_push_to_dockerhub.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -e
+echo "Building docker image..."
+cp /tmp/pkg/fluent-plugin-kubernetes-metrics-*.gem docker
+VERSION=`cat VERSION`
+docker build --build-arg VERSION=$VERSION --no-cache -t splunk/fluent-plugin-kubernetes-objects:ci ./docker
+docker tag splunk/fluent-plugin-kubernetes-objects:ci splunk/${DOCKERHUB_REPO_NAME}:${VERSION}
+echo "Push docker image to splunk dockerhub..."
+docker login --username=$DOCKERHUB_ACCOUNT_ID --password=$DOCKERHUB_ACCOUNT_PASS
+docker push splunk/${DOCKERHUB_REPO_NAME}:${VERSION} | awk 'END{print}'
+echo "Docker image pushed successfully to docker-hub."

.circleci/build_and_push_to_github_release.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -e
+wget https://github.com/tcnksm/ghr/releases/download/v0.12.0/ghr_v0.12.0_linux_amd64.tar.gz
+tar -xzvf ghr_v0.12.0_linux_amd64.tar.gz
+sudo chmod +x ghr_v0.12.0_linux_amd64
+sudo mv ghr_v0.12.0_linux_amd64/ghr /usr/local/bin/ghr
+
+VERSION=`cat VERSION`
+echo "Pushing SCK release to github releases...${VERSION}"
+
+ghr -t ${GITHUB_TOKEN} -u ${CIRCLE_PROJECT_USERNAME} -r ${CIRCLE_PROJECT_REPONAME} -c ${CIRCLE_SHA1} -n "${RELEASE_TITLE}" -b "${RELEASE_BODY}" -draft ${VERSION} /tmp/pkg/

.circleci/config.yml

@@ -59,6 +59,29 @@ jobs:
           command: |
             .circleci/build_and_push.sh
 
+  release:
+    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: Build and push docker image to dockerhub
+          command: |
+            .circleci/build_and_push_to_dockerhub.sh
+      - run:
+          name: Upload gem to Github
+          command: |
+            .circleci/build_and_push_to_github_release.sh
+
 
 workflows:
   version: 2

docker/Dockerfile

@@ -1,6 +1,10 @@
 FROM ruby:2.5.1-slim
 
-LABEL maintainer="Shubham Jain <[email protected]>"
+LABEL maintainer="Splunk Inc. <[email protected]>"
+LABEL Description="Splunk Connect for Kubernetes docker image" Vendor="Splunk Inc."
+
+ARG VERSION
+ENV VERSION=${VERSION}
 
 # skip runtime bundler installation
 ENV FLUENTD_DISABLE_BUNDLER_INJECTION 1
@@ -13,10 +17,11 @@ RUN set -e \
  && apt-get install -y --no-install-recommends libjemalloc1 jq \
  && buildDeps="make gcc g++ wget" \
  && apt-get install -y --no-install-recommends $buildDeps \
- && gem install -N fluentd -v "1.2.0" \
- && gem install -N fluent-plugin-prometheus -v "1.0.1" \
+ && gem install -N fluentd -v "1.4.0" \
+ && gem install -N fluent-plugin-prometheus -v "1.3.0" \
  && gem install -N fluent-plugin-jq -v "0.5.1" \
- && gem install -N oj -v "3.5.1" \
+ && gem install -N oj -v "3.7.9" \
+ && gem install -N fluent-plugin-splunk-hec:${VERSION} \
  && gem install -N /tmp/*.gem \
  && dpkgArch="$(dpkg --print-architecture | awk -F- '{ print $NF }')" \
  && wget -O /usr/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.1/dumb-init_1.2.1_$dpkgArch \