## CloudStack with Ansible CSEUG 2022  --- ## Who am I? - René Moser (aka resmo) - Apache CloudStack PMC - Ansible Integrations - Apache CloudStack - Vultr - Cloudscale ---  Engineering Cloud Computing Automation, Integration, Scaling. ngine.io ---  --- ## Agenda - History - Brief intro - Demo --- ## Some History --- ### 2013 July - Puppet Engineer - Swiss National Broadcast Union --- ### 2014 September - Hacking first modules --- ### 2015 April - First few plugins merged upstream - Testing Simulator - Goal: Fully configure ClouStack from zero --- ### 2020 - Rafael from Celpax reached my goal - 53 plugins - \>85 test coverage --- ### Future - Catch up with CloudStack API - Increase test coverage and test unreleased CloudStack - Refactor modules with learnings - Provide a "Out of the Box CloudStack" --- ## Ansible --- ### Ansible - CLI - SSH agentless - Python --- ## Why Ansible? --- ### Extensible Everything is a plugin --- ### Batteries included \>6600 task plugins included --- ### Flexible --- ## When not Ansible? - != A toolbox / framework - != Linux / CLI - != YAML --- ## Ansible "Modus Operandi" - Controller with Ansible - Inventory (list of hosts) - Playbooks (list of tasks) --- ```mermaid graph TD A[Controller] A -->|SSH| B[web1] A -->|SSH| C[web2] A -->|SSH| D[web3] ``` --- ```mermaid graph TD A[Controller] -->|HTTP| C(API) ``` --- ```mermaid graph TD A[Controller] -->|HTTP| C(API) C --> D[web1] C --> E[web2] C --> F[web3] ``` --- ```mermaid graph TD A[Controller] -->|HTTP| C(API) C --> D[web1] C --> E[web2] C --> F[web3] A -->|SSH| F ``` --- ```mermaid graph TD A[Controller] -->|HTTP| C(API) C --> B[security groups] C --> D[security rules] C --> E[networks] C --> F[ssh keys] C --> G[affinity groups] C --> H[...] ``` --- ### Ansible Idempotency You get ~ what you define. --- ```yaml - name: Ensure instance created ngine_io.cloudstack.cs_instance: display_name: web1 zone: fra1 template: "Linux Debian 11 64-bit" service_offering: Tiny ssh_key: john@example.com user_data: | #cloud-config packages: - nginx state: present ``` --- ```mermaid graph LR A[START] --> B(find) --> C{found?} -->|no| D(create) C -->|yes| E{different?} E -->|no| F(return) E -->|yes| G(update) G --> F D --> F F --> H[END] ``` --- ```yaml - name: Ensure instance created ngine_io.cloudstack.cs_instance: display_name: web1 zone: fra1 template: "Linux Debian 11 64-bit" service_offering: Tiny force: true ssh_key: john@example.com user_data: | #cloud-config packages: - nginx state: started ``` --- ### Ansible Role - Dir structure of tasks/templates/files/... - Packacke format - Configurable with defaults --- ### Ansible Role Exoscale - Exoscale Public Cloud - ngine_io.exoscale_compute --- ### Contact You can find me on - GitHub: gh/resmo - Twitter: @resmo79 - Web: https://renemoser.net --- ## Demo Ansible - See a typical Ansible setup - Deploy 2 stages (staging, prod) - Show idempotency (stop VM, offering change)