Kubernetes 4

kubernetes/Charts/.gitlab-ci.yml

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+image: alpine:latest
+
+stages:
+  - test
+  - staging
+  - production
+
+test:
+  stage: test
+  script:
+    - exit 0
+  only:
+    - triggers
+    - branches
+
+staging:
+  stage: staging
+  script:
+  - install_dependencies
+  - ensure_namespace
+  - install_tiller
+  - deploy
+  variables:
+    KUBE_NAMESPACE: staging
+  environment:
+    name: staging
+    url: http://staging
+  only:
+    refs:
+      - master
+    kubernetes: active
+
+production:
+  stage: production
+  script:
+    - install_dependencies
+    - ensure_namespace
+    - install_tiller
+    - deploy
+  variables:
+    KUBE_NAMESPACE: production
+  environment:
+    name: production
+    url: http://production
+  when: manual
+  only:
+    refs:
+      - master
+    kubernetes: active
+
+.auto_devops: &auto_devops |
+  # Auto DevOps variables and functions
+  [[ "$TRACE" ]] && set -x
+  export CI_REGISTRY="index.docker.io"
+  export CI_APPLICATION_REPOSITORY=$CI_REGISTRY/$CI_PROJECT_PATH
+  export CI_APPLICATION_TAG=$CI_COMMIT_REF_SLUG
+  export CI_CONTAINER_NAME=ci_job_build_${CI_JOB_ID}
+  export TILLER_NAMESPACE="kube-system"
+
+  function deploy() {
+    echo $KUBE_NAMESPACE
+    track="${1-stable}"
+    name="$CI_ENVIRONMENT_SLUG"
+    helm dep build reddit
+
+    # for microservice in $(helm dep ls | grep "file://" | awk '{print $1}') ; do
+    #   SET_VERSION="$SET_VERSION \ --set $microservice.image.tag='$(curl http://gitlab-gitlab/$CI_PROJECT_NAMESPACE/ui/raw/master/VERSION)' "
+
+    helm upgrade --install \
+      --wait \
+      --set ui.ingress.host="$host" \
+      --set ui.image.tag="$(curl http://gitlab-gitlab/$CI_PROJECT_NAMESPACE/ui/raw/master/VERSION)" \
+      --set post.image.tag="$(curl http://gitlab-gitlab/$CI_PROJECT_NAMESPACE/post/raw/master/VERSION)" \
+      --set comment.image.tag="$(curl http://gitlab-gitlab/$CI_PROJECT_NAMESPACE/comment/raw/master/VERSION)" \
+      --namespace="$KUBE_NAMESPACE" \
+      --version="$CI_PIPELINE_ID-$CI_JOB_ID" \
+      "$name" \
+      reddit
+  }
+
+  function install_dependencies() {
+
+    apk add -U openssl curl tar gzip bash ca-certificates git
+    wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub
+    wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.23-r3/glibc-2.23-r3.apk
+    apk add glibc-2.23-r3.apk
+    rm glibc-2.23-r3.apk
+
+    curl https://get.helm.sh/helm-v2.14.1-linux-amd64.tar.gz | tar zx
+
+    mv linux-amd64/helm /usr/bin/
+    helm version --client
+
+    curl -L -o /usr/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
+    chmod +x /usr/bin/kubectl
+    kubectl version --client
+  }
+
+  function ensure_namespace() {
+    kubectl describe namespace "$KUBE_NAMESPACE" || kubectl create namespace "$KUBE_NAMESPACE"
+  }
+
+  function install_tiller() {
+    echo "Checking Tiller..."
+    helm init --upgrade
+    kubectl rollout status -n "$TILLER_NAMESPACE" -w "deployment/tiller-deploy"
+    if ! helm version --debug; then
+      echo "Failed to init Tiller."
+      return 1
+    fi
+    echo ""
+  }
+
+  function delete() {
+    track="${1-stable}"
+    name="$CI_ENVIRONMENT_SLUG"
+    helm delete "$name" || true
+  }
+
+before_script:
+  - *auto_devops
+

kubernetes/Charts/comment/.gitlab-ci.yml

@@ -0,0 +1,175 @@
+image: alpine:latest
+
+stages:
+  - build
+  - test
+  - review
+  - release
+
+build:
+  stage: build
+  image: docker:git
+  services:
+    - docker:dind
+  script:
+    - setup_docker
+    - build
+  variables:
+    DOCKER_DRIVER: overlay2
+  only:
+    - branches
+
+test:
+  stage: test
+  script:
+    - exit 0
+  only:
+    - branches
+
+release:
+  stage: release
+  image: docker
+  services:
+    - docker:dind
+  script:
+    - setup_docker
+    - release
+  only:
+    - master
+
+review:
+  stage: review
+  script:
+    - install_dependencies
+    - ensure_namespace
+    - install_tiller
+    - deploy
+  variables:
+    KUBE_NAMESPACE: review
+    host: $CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG
+  environment:
+    name: review/$CI_PROJECT_PATH/$CI_COMMIT_REF_NAME
+    url: http://$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG
+  only:
+    refs:
+      - branches
+    kubernetes: active
+  except:
+    - master
+
+.auto_devops: &auto_devops |
+  [[ "$TRACE" ]] && set -x
+  export CI_REGISTRY="index.docker.io"
+  export CI_APPLICATION_REPOSITORY=$CI_REGISTRY/$CI_PROJECT_PATH
+  export CI_APPLICATION_TAG=$CI_COMMIT_REF_SLUG
+  export CI_CONTAINER_NAME=ci_job_build_${CI_JOB_ID}
+  export TILLER_NAMESPACE="kube-system"
+
+  function deploy() {
+    track="${1-stable}"
+    name="$CI_ENVIRONMENT_SLUG"
+
+    if [[ "$track" != "stable" ]]; then
+      name="$name-$track"
+    fi
+
+    echo "Clone deploy repository..."
+    git clone http://gitlab-gitlab/$CI_PROJECT_NAMESPACE/reddit-deploy.git
+
+    echo "Download helm dependencies..."
+    helm dep update reddit-deploy/reddit
+
+    echo "Deploy helm release $name to $KUBE_NAMESPACE"
+    helm upgrade --install \
+      --wait \
+      --set ui.ingress.host="$host" \
+      --set $CI_PROJECT_NAME.image.tag=$CI_APPLICATION_TAG \
+      --namespace="$KUBE_NAMESPACE" \
+      --version="$CI_PIPELINE_ID-$CI_JOB_ID" \
+      "$name" \
+      reddit-deploy/reddit/
+  }
+
+  function install_dependencies() {
+
+    apk add -U openssl curl tar gzip bash ca-certificates git
+    wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub
+    wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.23-r3/glibc-2.23-r3.apk
+    apk add glibc-2.23-r3.apk
+    rm glibc-2.23-r3.apk
+
+    curl https://storage.googleapis.com/pub/gsutil.tar.gz | tar -xz -C $HOME
+    export PATH=${PATH}:$HOME/gsutil
+
+    curl https://kubernetes-helm.storage.googleapis.com/helm-v2.9.1-linux-amd64.tar.gz | tar zx
+
+    mv linux-amd64/helm /usr/bin/
+    helm version --client
+
+    curl  -o /usr/bin/sync-repo.sh https://raw.githubusercontent.com/kubernetes/helm/master/scripts/sync-repo.sh
+    chmod a+x /usr/bin/sync-repo.sh
+
+    curl -L -o /usr/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
+    chmod +x /usr/bin/kubectl
+    kubectl version --client
+  }
+
+  function setup_docker() {
+    if ! docker info &>/dev/null; then
+      if [ -z "$DOCKER_HOST" -a "$KUBERNETES_PORT" ]; then
+        export DOCKER_HOST='tcp://localhost:2375'
+      fi
+    fi
+  }
+
+  function ensure_namespace() {
+    kubectl describe namespace "$KUBE_NAMESPACE" || kubectl create namespace "$KUBE_NAMESPACE"
+  }
+
+  function release() {
+
+    echo "Updating docker images ..."
+
+    if [[ -n "$CI_REGISTRY_USER" ]]; then
+      echo "Logging to GitLab Container Registry with CI credentials..."
+      docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD"
+      echo ""
+    fi
+
+    docker pull "$CI_APPLICATION_REPOSITORY:$CI_APPLICATION_TAG"
+    docker tag "$CI_APPLICATION_REPOSITORY:$CI_APPLICATION_TAG" "$CI_APPLICATION_REPOSITORY:$(cat VERSION)"
+    docker push "$CI_APPLICATION_REPOSITORY:$(cat VERSION)"
+    echo ""
+  }
+
+  function build() {
+
+    echo "Building Dockerfile-based application..."
+    echo `git show --format="%h" HEAD | head -1` > build_info.txt
+    echo `git rev-parse --abbrev-ref HEAD` >> build_info.txt
+    docker build -t "$CI_APPLICATION_REPOSITORY:$CI_APPLICATION_TAG" .
+
+    if [[ -n "$CI_REGISTRY_USER" ]]; then
+      echo "Logging to GitLab Container Registry with CI credentials..."
+      docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD"
+      echo ""
+    fi
+
+    echo "Pushing to GitLab Container Registry..."
+    docker push "$CI_APPLICATION_REPOSITORY:$CI_APPLICATION_TAG"
+    echo ""
+  }
+
+  function install_tiller() {
+    echo "Checking Tiller..."
+    helm init --upgrade
+    kubectl rollout status -n "$TILLER_NAMESPACE" -w "deployment/tiller-deploy"
+    if ! helm version --debug; then
+      echo "Failed to init Tiller."
+      return 1
+    fi
+    echo ""
+  }
+
+before_script:
+  - *auto_devops

kubernetes/Charts/comment/Chart.yaml

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+name: comment
+version: 1.0.0
+description: OTUS reddit application UI
+maintainers:
+  - name: Someone
+    email: [email protected]
+appVersion: 1.0

kubernetes/Charts/comment/templates/_helpers.tpl

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+{{- define "comment.fullname" -}}
+{{- printf "%s-%s" .Release.Name .Chart.Name }}
+{{- end -}}

kubernetes/Charts/comment/templates/deployment.yaml

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+---
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-{{ .Chart.Name }}
+  labels:
+    app: reddit
+    component: comment
+    release: {{ .Release.Name }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: reddit
+      component: comment
+      release: {{ .Release.Name }}
+  template:
+    metadata:
+      name: comment
+      labels:
+        app: reddit
+        component: comment
+        release: {{ .Release.Name }}
+    spec:
+      containers:
+      - image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        name: comment
+        ports:
+        - containerPort: {{ .Values.service.internalPort }}
+          name: comment
+          protocol: TCP
+        env:
+        - name: COMMENT_DATABASE_HOST
+          value: {{ .Values.databaseHost | default (printf "%s-mongodb" .Release.Name) }}

kubernetes/Charts/comment/templates/service.yaml

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+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "comment.fullname" . }}
+  labels:
+    app: reddit
+    component: comment
+    release: {{ .Release.Name }}
+spec:
+  type: ClusterIP
+  ports:
+  - port: {{ .Values.service.externalPort }}
+    protocol: TCP
+    targetPort: {{ .Values.service.internalPort }}
+  selector:
+    app: reddit
+    component: comment
+    release: {{ .Release.Name }}

kubernetes/Charts/comment/values.yaml

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+---
+service:
+  internalPort: 9292
+  externalPort: 9292
+
+image:
+  repository: yashkin/comment
+  tag: latest
+
+databaseHost: