From 0b05ebf41d2d4253425e4eba95ed1b278b0667f4 Mon Sep 17 00:00:00 2001
From: Adar Nimrod <nimrod@shore.co.il>
Date: Sat, 15 Dec 2018 00:40:05 +0200
Subject: [PATCH] Added Kubernetes deployment and GitLab CI/CD.
---
.gitlab-ci.yml | 50 +++++++++++++++++++++++++++++++++++++++++++
myapp-deployment.yaml | 37 ++++++++++++++++++++++++++++++++
myapp-migrate.yaml | 20 +++++++++++++++++
3 files changed, 107 insertions(+)
create mode 100644 .gitlab-ci.yml
create mode 100644 myapp-deployment.yaml
create mode 100644 myapp-migrate.yaml
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..375adf1
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,50 @@
+---
+image: adarnimrod/ci-images:docker
+
+stages:
+ - build
+ - test
+ - deploy
+
+variables:
+ AWS_DEFAULT_REGION: us-east-1
+ AWS_ACCESS_KEY_ID: abc
+ #AWS_SECRET_ACCESS_KEY: Secret environment variable
+ POSTGRES_PASSWORD: password
+ POSTGRES_DB: myapp
+
+build:
+ stage: build
+ script:
+ - docker login -u gitlab-ci-token -p "$CI_JOB_TOKEN" registry.example.com
+ - docker pull registy.example.com/$CI_PROJECT_PATH:latest || true
+ - docker build --pull --cache-from "registy.example.com/$CI_PROJECT_PATH:latest" -t "registy.example.com/$CI_PROJECT_PATH:$CI_PIPELINE_ID" ./
+ - docker push "registy.example.com/$CI_PROJECT_PATH:$CI_PIPELINE_ID"
+ - |
+ if [ "$CI_COMMIT_REF_NAME" = "master" ]
+ then
+ docker tag "registy.example.com/$CI_PROJECT_PATH:$CI_PIPELINE_ID" "registy.example.com/$CI_PROJECT_PATH:latest"
+ docker push "registy.example.com/$CI_PROJECT_PATH:latest"
+ fi
+
+test:
+ stage: test
+ image:
+ name: "registy.example.com/$CI_PROJECT_PATH:$CI_PIPELINE_ID"
+ services:
+ - name: postgres:alpine
+ script:
+ - python3 manage.py migrate
+ - python3 manage.py test
+
+staging:
+ stage: deploy
+ environment:
+ name: Staging
+ script:
+ - mkdir ~/.kube
+ - aws s3 cp s3://example-environments/$CI_ENVIRONMENT_SLUG/kube_config ~/.kube/config
+ - sed -i "s/latest/$CI_PIPELINE_ID/g" myapp-*.yaml
+ - kubectl apply -f myapp-migrate.yaml
+ - kubectl wait --for=condition=complete --timeout=120 job/myapp-migrate
+ - kubectl apply -f myapp-deployment.yaml
diff --git a/myapp-deployment.yaml b/myapp-deployment.yaml
new file mode 100644
index 0000000..bd7c9ad
--- /dev/null
+++ b/myapp-deployment.yaml
@@ -0,0 +1,37 @@
+---
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+ name: myapp
+spec:
+ replicas: 1
+ strategy: {}
+ template:
+ metadata:
+ creationTimestamp: null
+ spec:
+ containers:
+ env:
+ - name: POSTGRES_PASSWORD
+ valueFrom:
+ secretKeyRef:
+ name: postgres
+ image: registry.example.com/myapp:latest
+ name: myapp
+ ports:
+ - containerPort: 8000
+ resources: {}
+ restartPolicy: Always
+status: {}
+---
+apiVersion: v1
+kind: Service
+metadata:
+ name: myapp
+spec:
+ ports:
+ - name: "8000"
+ port: 8000
+ targetPort: 8000
+status:
+ loadBalancer: {}
diff --git a/myapp-migrate.yaml b/myapp-migrate.yaml
new file mode 100644
index 0000000..d6100fb
--- /dev/null
+++ b/myapp-migrate.yaml
@@ -0,0 +1,20 @@
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+ name: myapp-migrate
+spec:
+ template:
+ metadata:
+ name: myapp-migrate
+ spec:
+ containers:
+ - name: myapp-migrate
+ image: registry.example.com/myapp:latest
+ command: [ "python3", "manage.py", "migrate" ]
+ env:
+ - name: POSTGRES_PASSWORD
+ valueFrom:
+ secretKeyRef:
+ name: postgres
+ restartPolicy: Never
--
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