Salvatore Incandela, Fabio Marinelli - Using Spinnaker to Create a Development Workflow on Kubernetes - Codemotion Rome 2019
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Out of the box Kubernetes is an Operations platform which is great for flexibility but creates friction for deploying simple applications. Along comes Spinnaker which allows you to easily create custom workflows for testing, building, and deploying your application on Kubernetes. Salvatore Incandela and Fabio Marinelli will give an introduction to Containers and Kubernetes and the default development/deployment workflows that it enables. They will then show you how you can use Spinnaker to simplify and streamline your workflow and help provide a full #gitops style CI/CD.
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Salvatore Incandela, Fabio Marinelli - Using Spinnaker to Create a Development Workflow on Kubernetes - Codemotion Rome 2019
- 1. © Copyright 2018 Pivotal Software, Inc. All rights Reserved. Version 1.0 Salvatore Incandela Fabio Marinelli Continuous Deployment With Spinnaker & Kubernetes
- 2. Cover w/ Image Agenda ■ Who am I ? ■ Pivotal Container Service (PKS) ■ Kubernetes 101 ■ Kubernetes Manifests ■ Helm Charts ■ Spinnaker ■ Q+A
- 4. Embedded OS (Windows & Linux) NSX-T CPI (15 methods) v1 v2 v3 ... CVEs Product Updates Java | .NET | NodeJS Pivotal Application Service (PAS) Application Code & Frameworks Buildpacks | Spring Boot | Spring Cloud | Steeltoe Elastic | Packaged Software | Spark Pivotal Container Service (PKS) >cf push >kubectl run YOU build the containerWE build the container vSphere Azure & Azure StackGoogle CloudAWSOpenstack Pivotal Network “3Rs” Github Concourse Concourse Pivotal Services Marketplace Pivotal and Partner Products Continuous delivery Public Cloud Services Customer Managed Services OpenServiceBrokerAPI Repair — CVEs Repave Rotate — Credhub
- 5. BOSH Reliable and consistent operational experience for any cloud. BOSH GCP Service Broker Harbor NSX-T Kubernetes K8s Cluster K8s Cluster K8s Cluster PKS Control Plane Use the PKS CLI and API to create, operate, and scale your clusters. VMware GCP Azure Openstack AWS PKSControlPlane GCP Service Broker Bring Google Cloud Platform services to your containers. Extend your workloads with machine learning, AI, and data services from Google. Built with open-source Kubernetes Constant compatibility with the latest stable release of Google Kubernetes Engine—no proprietary extensions. Harbor An enterprise-class container registry. Includes vulnerability scanning, identity management, and more. NSX-T Network management, security, and load balancing out-of-the-box with VMware NSX-T. Multi-cloud, multi- hypervisor. Enterprise-Grade Kubernetes
- 6. Cloud Native Design - 12 factors Codebase One codebase tracked in revision control, many deploys Dependencies Explicitly declare and isolate dependencies Configuration Store config in the environment Backing services Treat backing services as attached resources Build, release, run Strictly separate build and run stages Processes Execute the app as one or more stateless processes Port Binding Export services via ports Concurrency Scale out via the process model Disposability Maximize robustness with fast startup and graceful shutdown Dev/Prod Parity Keep dev to prod as close as possible Logs Treat logs as event streams Admin Processes Run admin and management tasks as one-off processes
- 7. App / Container Deployment, Services & Routing cf push App myapp.mydomain.net Pivotal Cloud Foundry Elastic Runtime Pivotal Container Service kubectl run ???? ????
- 8. Cloud Native Design - 12 factors Codebase One codebase tracked in revision control, many deploys Dependencies Explicitly declare and isolate dependencies Configuration Store config in the environment Backing services Treat backing services as attached resources Build, release, run Strictly separate build and run stages Processes Execute the app as one or more stateless processes Port Binding Export services via ports Concurrency Scale out via the process model Disposability Maximize robustness with fast startup and graceful shutdown Dev/Prod Parity Keep dev to prod as close as possible Logs Treat logs as event streams Admin Processes Run admin and management tasks as one-off processes
- 9. cf push App myapp.mydomain.net Pivotal Cloud Foundry Elastic Runtime Pivotal Container Service docker build docker push kubectl run kubectl expose ???? ???? App / Container Deployment, Services & Routing
- 11. Kubernetes 101
- 12. Kubernetes Kubernetes is an open-source platform designed to automate deploying, scaling, and operating application containers. With Kubernetes, you are able to quickly and efficiently respond to customer demand: ● Deploy your applications quickly and predictably ● Scale your applications on the fly ● Roll out new features seamlessly ● Limit hardware usage to required resources only ● Declarative and immutable configs https://kubernetes.io/docs/concepts/overview/what-is-kubernetes/
- 14. Container Container Pod Pod one or more application containers that are tightly coupled, sharing network and storage. Example: a web front-end Pod that consists of an NGINX container and a PHP-FPM container with a shared unix socket and a “init” container to transform their config files based on environment variables.
- 15. Container Container Pod ReplicaSet Extends Pod resource to run and maintain a specific number of copies of a pod. Container Container Pod ReplicaSet
- 16. Container Container Pod Deployment a controller that ensures a set number of replicas of a Pod is running and provides update and upgrade workflows for your Pods. Example: cloud native Node app that scales horizontally and upgrades 2 pods at a time. Container Container Pod ReplicaSet Deployment
- 17. Container Container Pod statefulset a controller that manages stateful application Deployments by providing sticky identity for pods and strict ordering and uniqueness. Example: Cassandra database. First pod is ‘cassandra-0’ thus all other pods in the set can be told to cluster to ‘cassandra-0’ and it will form a ring, plus the storage will survive pod restarts. Container Container Pod ReplicaSet Deployment Statefulset
- 18. $ kubectl scale --replicas=3 deployment/hello
- 19. $ kubectl scale --replicas=3 deployment/hello deployment.extensions/hello scaled $ kubectl get all NAME READY STATUS RESTARTS AGE pod/hello-64f6bf9dd4-2bndq 1/1 Running 0 15m pod/hello-64f6bf9dd4-4kq9l 0/1 ContainerCreating 0 2s pod/hello-64f6bf9dd4-8lkcs 1/1 Running 0 5s NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE deployment.apps/hello 3 3 2 3 16m NAME DESIRED CURRENT READY AGE replicaset.apps/hello-64f6bf9dd4 3 3 2 16m
- 20. Service track Pods based on metadata and provides connectivity and service discovery (DNS, Env variables) for them. Type ClusterIP (default) exposes service on a cluster- internal IP. NodePort extends ClusterIP to expose services on each node’s IP via a static port. LoadBalancer extends NodePort to configure a cloud provider’s load balancer using the cloud-controller- manager. Container Container Pod app=bacon Container Container Pod app=bacon Service app=bacon 10.3.55.7 192.168.0.5:4530 K8s Worker K8s Worker 192.168.0.6:4530 33.6.5.22:80 Load Balancer
- 21. Ingress a controller that manages an external entity to provide load balancing, SSL termination and name-based virtual hosting to services based on a set of rules. Ingress Service app=bacon https://example.com Service app=eggs /bacon eggs
- 22. Helm
- 23. Helm is the best way to find, share, and use software built for Kubernetes
- 25. Discover & launch great Kubernetes-ready apps Search charts 231 charts ready to deploy Wordpress, Jenkins, Kubeless... Secure | https://hub.kubeapps.com
- 26. Spinnaker
- 30. Application Centric Control Plane =
- 31. Interactive Continuous Delivery Pipeline CI Production Arbitrary Jobs
- 33. Cluster Management ● Server Group ● Cluster ● Applications ● Load Balancer ● Firewall Deployment Management ● Pipeline ● Stage ● Deployment Strategies Deployment Strategies
- 34. Demo
- 35. Transforming How The World Builds Software © Copyright 2018 Pivotal Software, Inc. All rights Reserved.