WSO2ConEU 2016 Tutorial - Deploying WSO2 Middleware on Containers
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The document discusses deploying WSO2 middleware on containers using Docker, Docker Compose, Kubernetes, Mesos DC/OS, and Cloud Foundry. It begins with introductions to Docker, Docker Compose, and Kubernetes. It then covers building WSO2 Docker images, deploying WSO2 middleware on Docker with Docker Compose, and deploying WSO2 middleware on Kubernetes. It also introduces Mesos DC/OS and steps for deploying WSO2 middleware on Mesos DC/OS. Finally, it discusses current limitations of deploying to Cloud Foundry and reference architectures.
![An Introduction to Apache Mesos
Image source: Anton Kirillov, Data processing platforms architectures [1]
Mesos is an open-source cluster manager that was initially developed at the University of California,
Berkeley in year 2009.](https://image.slidesharecdn.com/wso2coneu2016-tutorial-deployingwso2middlewareoncontainers-160608144644/85/WSO2ConEU-2016-Tutorial-Deploying-WSO2-Middleware-on-Containers-69-320.jpg)
![Steps for Deploying WSO2 Middleware on
Mesos DC/OS
1. Build Docker images for Mesos using Puppet:
– git clone -b mesos-platform-dev https://github.com/wso2/puppet-modules.git
– Copy prerequisites to [puppet-modules]:
• Oracle JDK
• WSO2 product distributions
• Mesos membership scheme (optional)
– git clone https://github.com/wso2/dockerfiles.git
– bash [dockerfiles]/<product>/build.sh -v [version] -r puppet -s mesos -l [profiles]](https://image.slidesharecdn.com/wso2coneu2016-tutorial-deployingwso2middlewareoncontainers-160608144644/85/WSO2ConEU-2016-Tutorial-Deploying-WSO2-Middleware-on-Containers-72-320.jpg)
![Steps for Deploying WSO2 Middleware on
Mesos DC/OS
2. Deploy Marathon applications:
– git clone https://github.com/wso2-incubator/mesos-artifacts
– bash [mesos-artifacts]/<product>/deploy.sh](https://image.slidesharecdn.com/wso2coneu2016-tutorial-deployingwso2middlewareoncontainers-160608144644/85/WSO2ConEU-2016-Tutorial-Deploying-WSO2-Middleware-on-Containers-73-320.jpg)
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WSO2ConEU 2016 Tutorial - Deploying WSO2 Middleware on Containers
- 1. Deploying WSO2 Middleware on Containers Lakmal Warusawithana Director Cloud Architecture, WSO2 VP, Apache Stratos Imesh Gunaratne Software Architect, WSO2
- 2. Agenda • An Introduction to Docker and Docker Compose • Building WSO2 Docker Images • Deploying WSO2 Middleware on Docker with Docker Compose • An Introduction to Kubernetes • Deploying WSO2 middleware on Kubernetes • Kubernetes Vs OpenShift • Using Puppet and Hiera for Configuration Management • Automated WSO2 Carbon Cluster Discovery • An Introduction to Mesos DC/OS • Deploying WSO2 Middleware on Mesos DC/OS • CloudFoundry Current Limitations and the Future
- 3. An Introduction to Docker
- 28. How to Install Docker? • For Linux – wget -qO- https://get.docker.com/ | sh • For Mac – https://docs.docker.com/engine/installation/mac/ • For Windows – https://docs.docker.com/engine/installation/windows/
- 29. Demo: Docker Basics Cinema clapperboard icon source: http://www.flaticon.com/free-icon/graph_102534
- 30. Building WSO2 Docker Images
- 31. Building WSO2 Docker Images • Clone https://github.com/wso2/dockerfiles • Let's build WSO2 APIM Docker image. – Navigate wso2am folder and follow the ReadMe.
- 32. An Introduction to Docker Compose
- 33. An Introduction to Docker Compose • Compose is a tool for defining and running multi-container Docker applications • In compose yaml can define your application’s services • Using a single command, you create and start all the services from your configuration • To Install Docker Compose – https://docs.docker.com/compose/install/
- 34. Deploying WSO2 Middleware on Docker with Docker Compose
- 35. Deploying WSO2 Middleware on Docker with Docker Compose • Clone https://github.com/lakwarus/wso2am-deployment- patterns • Navigate to your patten • Follow the ReadMe – docker-compose up
- 36. Demo: Deploying WSO2 API- M on Docker with Docker Compose Cinema clapperboard icon source: http://www.flaticon.com/free-icon/graph_102534
- 37. An Introduction to Kubernetes
- 38. An Introduction to Kubernetes • An open source container cluster management system • Started by Google with decade and half experience on running containers at scale (Borg) • Written in Go • Can be deployed on any Infrastructure/IaaS • Over 600 contributors http://kubernetes.io/v1.0/docs/whatisk8s.html
- 39. Kubernetes High Level Architecture
- 40. Kubernetes Pods ● A group of containers which can share resources and context ● Shared namespaces: ○ PID namespace (processes visible globally) ○ network namespace (same IP and port space) ○ IPC namespace (SystemV IPC or POSIX) ○ UTS namespace (share a hostname) http://kubernetes.io/v1.0/docs/user-guide/pods.html Pod C1 C2 C3
- 41. Kubernetes Replication Controllers ● Provides features for replicating pods: ○ Auto-healing ○ Manual scaling ○ Rolling updates ○ Multiple release tracks http://kubernetes.io/v1.0/docs/user-guide/replication-controller.html Pod Template Replicas = n Pod 1 Pod 2 Pod n Replication Controller
- 42. Kubernetes Horizontal Pod Autoscaler ● Provides features for horizontally autoscaling pods ○ CPU consumption based http://kubernetes.io/v1.1/docs/user-guide/horizontal-pod-autoscaler.html Pod Template Replicas = n Pod 1 Pod 2 Pod n Replication Controller Horizontal Pod Autoscaler
- 43. Kubernetes Services ● Service types: ○ ClusterIP (default) ○ NodePort ○ LoadBalancer ● Service discovery: ○ DNS ○ Environment variables ● Client IP based Session Affinity http://kubernetes.io/v1.0/docs/user-guide/services.html Node IP: 172.17.8.102 Port: 9443 Domain Name: service1 IP: 10.2.10.20 Port: 9443 NodePort: 32001 Protocol: TCP Pod 1 Pod 2 Pod n Service L1 L1 L1 L1 Node
- 44. Overlay Network ● Unique IP addresses ● Provides pod to pod networking ● Options available: ○ Flannel (default) ○ OpenVSwitch ○ Weave ○ Calico http://kubernetes.io/v1.1/docs/admin/networking.html
- 45. WSO2 Carbon Reference Architecture 1 Pod 1 Pod 2 Manager Cluster Services Pod 3 Pod 4 Pod n Worker Cluster Services Manager Replication Controller Worker Replication Controller Client Gov Reg Conf Reg User Store
- 46. WSO2 Carbon Reference Architecture 2 Pod 1 Gateway Mgr Services Pod 2 Pod 3 Gateway Worker Services Client Pod 4 Pod 5 Key Manager Services Pod 6 Pod 7 Store Services Gateway Mgr RC Gateway Worker RC Key Manager RC Store RCGov Reg Conf Reg User Store API-M DB Pod 8 Pod 9 Publisher Services Publisher RC
- 48. How to Setup Kubernetes • git clone https://github.com/imesh/kubernetes-vagrant- setup • Follow the ReadMe
- 49. Deploying WSO2 Middleware on Kubernetes
- 50. Deploying WSO2 Middleware on Kubernetes ● WSO2 Kubernetes Artifacts Git Repository ○ Kubernetes Membership Scheme ○ Kubernetes Services ○ Kubernetes Replication Controllers https://github.com/wso2/kubernetes-artifacts
- 51. Demo: Deploying WSO2 API- M on Kubernetes Cinema clapperboard icon source: http://www.flaticon.com/free-icon/graph_102534
- 52. An Introduction to OpenShift
- 53. Introduction to OpenShift • Based on top of Docker containers and the Kubernetes container cluster manager • OpenShift 3 adds – Developer and operational centric tools to enable rapid application development – Easy deployment and scaling – Long-term lifecycle maintenance for small and large teams and applications. https://www.openshift.com
- 54. An Introduction to Puppet + Hiera
- 55. An Introduction to Puppet Prerequisites Desired Server Runtime Execute Puppet Server Distribution Configuration Data Artifacts PuppetModule
- 56. Puppet Master How does it work? Puppet Modules http://www.slideshare.net/pk.habi/introduction-to-puppet-16586463 Puppet Agent (Server 1) Puppet Agent (Server 2) Puppet Agent (Server 3) Puppet Agent (Server n) 1. Master-agent mode Puppet Master
- 57. How does it work? http://www.slideshare.net/pk.habi/introduction-to-puppet-16586463 2. Standalone mode Puppet (Server 1) puppet apply Puppet Modules Puppet (Server 2) puppet apply Puppet Modules Puppet (Server n) puppet apply Puppet Modules
- 58. What is Hiera? • Hiera is a key/value lookup tool for configuration data. • It makes Puppet better by keeping site-specific data out of the manifests. • Configuration data is stored in YAML files. • Avoids repetition by introducing common YAML files. https://docs.puppet.com/hiera/
- 59. A Sample Hiera YAML File https://github.com/wso2/puppet-modules
- 60. Deployment Automation Overview WSO2 Server Profiles Profiles Profiles Deployment Patterns Deployment Patterns Deployment Patterns Puppet Module Templates Hiera Config Data Templates Templates Hiera Config Data Hiera Config Data Hiera Config Hierarchy: Environments -> Products -> Versions -> Platforms -> Patterns Dev | Test | Pre- Prod | Prod VM | K8S | Mesos
- 61. WSO2 Hiera Config Data Hierarchy https://github.com/wso2/puppet-modules/blob/master/hiera.yaml
- 62. Build WSO2 Docker Images Using Puppet
- 63. Build WSO2 Docker Images Using Puppet • Download & extract latest WSO2 Puppet Modules: – https://github.com/wso2/puppet-modules/releases • Export env variable PUPPET_HOME pointing to above folder • Copy JDK 1.7_80 distribution to: – <PUPPET_HOME>/modules/wso2base/files • Copy product distribution to: – <PUPPET_HOME>/modules/<product>/files • Download & extract WSO2 Dockerfiles: – https://github.com/wso2/dockerfiles/releases • Execute build.sh: – ./dockerfiles/wso2esb/build.sh -v 4.9.0 -r puppet https://docs.puppet.com/hiera/
- 64. Demo: Building WSO2 ESB Docker Images with Puppet Cinema clapperboard icon source: http://www.flaticon.com/free-icon/graph_102534
- 65. Automated WSO2 Carbon Cluster Discovery
- 66. What does WSO2 Carbon Clustering Provides? • Distributed Caching • Coordinator Election (Using distributed locks) • Cluster Communication • Implemented using Hazelcast https://docs.wso2.com/display/CLUSTER44x/Overview
- 67. How Carbon Cluster Discovery Works? Pod 1 Pod 2 Pod n Service Server 1 Server 2 Server n Pod 1 Service Server 1 Pod 1 Pod 2 Service Server 1 Server 2 Hazelcast member initialization Hazelcast member initialization Hazelcast member initialization 1 2 n
- 68. Deploying WSO2 Middleware on Mesos DC/OS
- 69. An Introduction to Apache Mesos Image source: Anton Kirillov, Data processing platforms architectures [1] Mesos is an open-source cluster manager that was initially developed at the University of California, Berkeley in year 2009.
- 70. An Introduction to Mesos DC/OS Cluster Manager PaaS UI | CLI | Package RepositoryBatch Job Scheduler
- 71. Reference Architecture for Mesos DC/OS C 1 C 2 Manager Marathon Applicatio C 3 C 4 C n Worker Marathon Application Marathon Load Balancer Gov Reg Conf Reg User Store Client Manager Marathon Application Worker Marathon Application
- 72. Steps for Deploying WSO2 Middleware on Mesos DC/OS 1. Build Docker images for Mesos using Puppet: – git clone -b mesos-platform-dev https://github.com/wso2/puppet-modules.git – Copy prerequisites to [puppet-modules]: • Oracle JDK • WSO2 product distributions • Mesos membership scheme (optional) – git clone https://github.com/wso2/dockerfiles.git – bash [dockerfiles]/<product>/build.sh -v [version] -r puppet -s mesos -l [profiles]
- 73. Steps for Deploying WSO2 Middleware on Mesos DC/OS 2. Deploy Marathon applications: – git clone https://github.com/wso2-incubator/mesos-artifacts – bash [mesos-artifacts]/<product>/deploy.sh
- 74. Demo: Deploying WSO2 ESB on Mesos DC/OS Cinema clapperboard icon source: http://www.flaticon.com/free-icon/graph_102534
- 75. Deploying WSO2 Middleware on Cloud Foundry
- 76. An Introduction to Cloud Foundry
- 77. An Introduction to Cloud Foundry
- 78. Limitations in the Current Architecture • A container can only expose one transport/port. • Only HTTP traffic can be routed via the router. • SSL get terminated at the router. • Internal routing rules cannot be defined. • Autoscaling can only be done based on CPU usage. Warning icon source: http://www.flaticon.com/free-icon/warning-triangle_10190
- 79. Reference Architecture for Cloud Foundry C 1 C 2 Manager Marathon Applicatio C 3 C 4 C n Worker Marathon Application CF Router Gov Reg Conf Reg User Store Client Manager CF Application Worker CF Application
- 81. Demo: Deploying WSO2 ESB on Cloud Foundry Cinema clapperboard icon source: http://www.flaticon.com/free-icon/graph_102534
- 82. Summary
- 83. Deploying WSO2 Middleware on Containers Container Cluster Managers Container Runtime Composite Deployments Development Production
- 85. Thank You! #WSO2ConEU Share your feedback for this session wso2con.com/app