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TOSCA and OpenTOSCA: TOSCA Introduction and OpenTOSCA Ecosystem Overview

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TOSCA is a new standard facilitating platform independent description
of Cloud applications.
OpenTOSCA is an open source TOSCA ecosystem including the modeling tool "Winery", the TOSCA runtime "OpenTOSCA", and the self-service portal "Vinothek".

Published in: Technology
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TOSCA and OpenTOSCA: TOSCA Introduction and OpenTOSCA Ecosystem Overview

  1. 1. TOSCA and OpenTOSCA Contents: 1. TOSCA Introduction 2. OpenTOSCA Ecosystem Overview Gefördert durch: Tobias Binz, Uwe Breitenbücher, Oliver Kopp, Frank Leymann Förderschwerpunkt: Projektträger: www.opentosca.org
  2. 2. TOSCA Introduction 2
  3. 3. OASIS TOSCA CloudCycle Topology and Orchestration Specification for Cloud Applications Goals: • Automation of Deployment and Management • Portability • Interoperability • Vendor-neutral Ecosystem © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 3
  4. 4. OASIS TOSCA CloudCycle Topology and Orchestration Specification for Cloud Applications 100+ participants from 40+ companies: OASIS Topology and Orchestration Specification for Cloud Applications (TOSCA) TC © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 4
  5. 5. TOSCA Overview CloudCycle Topology and Orchestration Specification for Cloud Applications © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 5
  6. 6. CloudCycle TOSCA Overview Topology Service Structure Orchestration Service Orchestration for Deployment & Management WebServer (Tomcat) Start VM OperatingSystem (Ubuntu 12.04 LTS) Install Tomcat VirtualServer EC2 (AWS EC2 Server) © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 6
  7. 7. Graphical Example of an Application Topology CloudCycle OnlineBookstore (WAR) WebServer (Tomcat) OperatingSystem (Ubuntu 12.04 LTS) VirtualServer EC2 (AWS EC2 Server) © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 7
  8. 8. Graphical Example of an Application Topology OnlineBookstore (WAR) Node Template CloudCycle (hostedOn) Node Type WebServer (Tomcat) Relationship Template (hostedOn) OperatingSystem (Ubuntu 12.04 LTS) (hostedOn) Relationship Type VirtualServer EC2 (AWS EC2 Server) © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 8
  9. 9. Properties CloudCycle OnlineBookstore (WAR) WebServer (Tomcat) User: Admin PW: 7a!7q Properties OperatingSystem (Ubuntu 12.04 LTS) VirtualServer EC2 (AWS EC2 Server) IP: 147.187.2.1 © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 9
  10. 10. Deployment Artifacts OnlineBookstore (WAR)  bookstore.war CloudCycle  WebServer (Tomcat) Artifacts providing the node’s functionality Multiple Deployment Artifacts possible Tomcat.zip Tomcat7 (apt, deb, …) http://tomcat.apache.org OperatingSystem (Ubuntu 12.04 LTS) Ubuntu.ovf ami-d0f89fb9t CustomizedUbuntu.img © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 10
  11. 11. Management Operations & Implementation Artifacts appSpecific WebServer (Tomcat) CloudCycle OnlineBookstore (WAR) start, stop deployWAR OperatingSystem installPkg (Ubuntu 12.04 LTS) execScript EC2 createVM VirtualServer (AWS EC2 Server) terminate Define management operations of nodes (and relationships)  Input & output parameters and their data types  Implemented by Implementation Artifacts (Web Service, REST-service, Script, …) instanceType : String region : String accessKey : String … Instance ID : String © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 11
  12. 12. Capabilities and Requirements I Application (WAR) C CloudCycle (hostedOn) I provide a Linux Operating System WebServer (TomCat) Requirement Capability R I need to be hosted on a Linux Operating System © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart OperatingSystem (Ubuntu) 12
  13. 13. Capabilities and Requirements II Application (WAR) CloudCycle (hostedOn) WebServer (TomCat) Requirement (Tomcat-installedOn-Ubuntu) Capability OperatingSystem (Ubuntu) © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 13
  14. 14. CloudCycle TOSCA Overview Topology Service Structure WebServer (Tomcat) OperatingSystem (Ubuntu 12.04 LTS) Orchestration Service Orchestration for Deployment & Management Start VM Install Tomcat VirtualServer EC2 (AWS EC2 Server) © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 14
  15. 15. Two Flavors of Processing  Declarative  What?  CloudCycle  WebServer (Tomcat) Example: “I want this, realize it!” Runtime interprets topology and does deployment OperatingSystem (Ubuntu 12.04 LTS) VirtualServer EC2 (AWS EC2 Server)  Imperative  How?   WebServer (Tomcat) Example: “First do this, than that.” Management plan explicitly describes each step Start VM OperatingSystem (Ubuntu 12.04 LTS) Install Tomcat VirtualServer EC2 (AWS EC2 Server) © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 15
  16. 16. Declarative vs. Imperative – Discussion CloudCycle Imperative Style Declarative Style Logic completely contained in Application Logic completely implemented by Container Hybrid Approach Deployment Flow Flexibility & Customizability Ease of Modeling Low Entry Barrier © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 16
  17. 17. Management Plans Overview Deployment Logic is implemented by portable Plans CloudCycle Install Tomcat Deploy Application Application (WAR) (hostedOn) 2 deploy WebServer (TomCat) 1 (hostedOn) installPkg © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart OperatingSystem (Ubuntu) 17
  18. 18. Plans  Plans are workflows (BPEL, BPMN, etc.)   CloudCycle       Plans are portable, reusable, and automated Parallel execution Error handling Traceability/auditability Long running processes Recoverability Human tasks Management logic shipped together with application   Management not hard-wired into the TOSCA container Contained in CSAR (TOSCA packaging format) © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 18
  19. 19. What’s contained in an Cloud Service Archive (CSAR)? Topology Templates Types CloudCycle OnlineBookstore (WAR) Management Plans X Type (hostedOn) WebServer (Tomcat) Properties Definition Interfaces (hostedOn) Installables Services Images OperatingSystem (Ubuntu 12.04 LTS) Scripts (hostedOn) EC2 VirtualServer (AWS EC2 Server) Deployment Artifacts Implementation Artifacts Cloud Service Archive (CSAR) © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 19
  20. 20. TOSCA Portability 20
  21. 21. Portability Note  CloudCycle   TOSCA deals with portability of Service Templates Portability of the ingredients of an IT Service (especially the code artifacts) is not addressed by TOSCA Similarly, mobility of data used by a corresponding service instance is not in the scope of TOSCA © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 21
  22. 22. Why is this portable ?  CloudCycle    Management operations defined in TOSCA standard Management Operations, i.e., Implementation Artifacts, are deployed by the TOSCA runtime Plans defined using standards (e.g., BPEL, BPMN) Plans (1) and Management Operations (2) are “bound” (i.e., connected) by the container  Implementation Artifacts on the realization level © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 22
  23. 23. OpenTOSCA Ecosystem Overview Open Source TOSCA Ecosystem www.opentosca.org © IAAS, University of Stuttgart 23
  24. 24. Container Self-Service CloudCycle Modeling Tool Creation and modeling of TOSCA applications, including graphical modeling of topologies and management plans. Exported as Cloud Service Archive (CSAR) for TOSCA runtime. © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 24
  25. 25. Container Self-Service CloudCycle Modeling Tool Creation and modeling of TOSCA applications, including graphical modeling of topologies and management plans. Exported as Cloud Service Archive (CSAR) for TOSCA runtime. © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 25
  26. 26. Container Self-Service CloudCycle Modeling Tool TOSCA runtime & middleware Processes CSARs, runs plans, manages state, … © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 26
  27. 27. Container Self-Service CloudCycle Modeling Tool Offering the deployed CSARs to the end user for easy instantiation © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 27
  28. 28. Container Self-Service CloudCycle Modeling Tool Offering the deployed CSARs to the end user for easy instantiation © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 28
  29. 29. CloudCycle Ecosystem Structure & Relations Admin Admin UI /admin Self-Service UI /vinothek End User Use container API Modeling Tool /winery CSAR © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart OpenTOSCA Container 29
  30. 30. CloudCycle Demo Videos Demo videos are available at http://demo.opentosca.org/ © Binz, Breitenbücher, Kopp, Leymann | IAAS | University of Stuttgart 30
  31. 31. Thank you! For more information: www.opentosca.org © IAAS, University of Stuttgart 31

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