GIDS 2019: Developing Apps with Containers, Functions and Cloud Services
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The document discusses developer workflows for building cloud applications using containers, functions, and managed cloud services. It presents options for developing applications locally and deploying to the cloud using tools like Docker Desktop, Azure Functions runtime, Azure Dev Spaces, and Telepresence that enable local development and debugging. The document also discusses approaches for packaging and deploying distributed applications using CNAB and Duffle.
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GIDS 2019: Developing Apps with Containers, Functions and Cloud Services
- 1. Patrick Chanezon Cloud Advocate, Microsoft @chanezon Developing Apps with Containers, Functions and Cloud Services
- 6. Dreams of my childhood
- 7. The Singularity… in a galaxy far far away
- 9. Instead, here and now!
- 10. Moore’s Law… hardware only!
- 12. 3 Abstractions to build cloud apps • Containers • Functions, triggered by Events • Managed Cloud Services
- 13. Containers
- 15. History of containerization • 1960’s mainframe • 1990’s hardware virtualization • 1990’s OS virt precursors: BSD Jails, Solaris zones • 2006 Cloud IaaS • 2009 platform virtualization (PaaS) • 2013 Docker See @bcantrill’s deck http://www.slideshare.net/bcantrill/docker-and-the-future-of-containers-in-production
- 16. Isolation using Linux kernel features namespaces ● pid ● mnt ● net ● uts ● ipc ● user cgroups ● memory ● cpu ● blkio ● devices
- 17. Union File Systems & Image Layers
- 20. Docker is building a stack to program the Internet CE EEA commercial product, built on a development platform, built on infrastructure, built on standards.
- 21. The elements of orchestration Scheduling Affinity/anti- affinity Health monitoring Failover Scaling Networking Service discovery Coordinated app upgrades
- 22. Deploy your applications quickly and predictably Scale your applications on the fly Roll out new features seamlessly Limit hardware usage to required resources only Portable Public, private, hybrid, multi-cloud Extensible Modular, pluggable, hookable, composable Self-healing Auto-placement, auto-restart, auto-replication, auto-scaling Kubernetes: empowering you to do more
- 24. Containers on Azure Accelerate containerized application development Deploy containerized applications in your preferred environment Manage, monitor, and help secure your containers Flexibility Productivity Trust
- 25. Containers in Azure Choice of developer tools and clients Azure Container Registry Docker Hub App Service Deploy web apps or APIs using containers in a PaaS environment Service Fabric Modernize .NET applications to microservices using Windows Server containers Kubernetes Service Container Instance Scale and orchestrate Linux containers using Kubernetes Ecosystem Bring your Partner solutions that run great on Azure Elastically burst from your Azure Kubernetes Service (AKS) cluster
- 26. If you have a preferred container platform Pivotal Cloud Foundry Kubernetes Docker Enterprise Edition Red Hat OpenShift Mesosphere DC/OS You could bring that platform to Azure Self-managed Kubernetes Pivotal Cloud Foundry Docker Enterprise Edition Red Hat OpenShift Mesosphere DC/OS Flexibility Productivity Trust
- 27. Azure Kubernetes Service (AKS) Azure Container Instances (ACI) Azure Container Registry (ACR) Azure Kubernetes Service (AKS) Simplify the deployment, management, and operations of Kubernetes Service Fabric App Service Azure Batch Deploy and manage Kubernetes with ease Scale and run applications with confidence Secure your Kubernetes environment Accelerate containerized application development Work how you want with open-source tools & APIs Set up CI/CD in a few clicks
- 28. How managed Azure Kubernetes Service works
- 29. Get started easily $ az aks create -g myResourceGroup -n myCluster --generate-ssh-keys Running .. $ az aks install-cli Downloading client to /usr/local/bin/kubectl .. $ az aks get-credentials -g myResourceGroup -n myCluster Merged "myCluster" as current context .. $ kubectl get nodes NAME STATUS AGE VERSION aks-nodepool1-29486530-0 Ready 4m v1.11.9 aks-nodepool1-29486530-1 Ready 4m v1.11.9 aks-nodepool1-29486530-2 Ready 4m v1.11.9 Azure Kubernetes Service (AKS)
- 30. Increase agility with containers on demand Secure applications with hypervisor isolation Run containers without managing servers Azure Container Instances (ACI) Easily run containers on Azure without managing servers Azure Kubernetes Service (AKS) Azure Container Instances (ACI) Azure Container Registry (ACR) Service Fabric App Service Azure Batch
- 31. Virtual Kubelet
- 32. Virtual Kubelet
- 33. VM Pods VM Pods VM Pods VM Pods Kubernetes control pane Azure Container Instances (ACI) Pods ACI Connector Application Architect Infrastructure Architect Deployment/ tasks Bursting with the ACI Connector/ Virtual Kubelet
- 34. Virtual Nodes • Seamlessly connect AKS to extra burst capacity within ACI • Little to no operational overhead • Eliminates the need to over provision clusters • Service discovery & bring your own virtual network • We develop in the open through Virtual Kubelet Public preview
- 36. Use Azure Managed Data Platform Services AZURE SEARCH AZURE DATA CATALOG AZURE STORAGE BLOBS AZURE DATA LAKE STORE AZURE SQL DATA WAREHOUSE AZURE SQL DB AZURE COSMOS DB AZURE ANALYSIS SERVICES POWER BI AZURE DATA LAKE ANALYTICS AZURE HDINSIGHT AZURE DATABRICKS AZURE STREAM ANALYTICS AZURE ML ML SERVER AZURE MySQL DB AZURE PostgreSQL DB REDIS CACHE
- 37. Open Service Broker for Azure (OSBA) Open Service Broker for Azure (OSBA) SQL Database Event Hubs Redis Cache MySQL Database Cosmos DB PosgreSQL Database Service Bus Azure Storage Cloud Foundry Kubernetes Service FabricOpenShift Easily access to SLA-backed Azure Services such as Azure Database for MySQL
- 38. Serverless
- 39. *Supporting services, like storage and networking, may be charged separately. Pay-per-use Only pay for what you use: billing is typically calculated on the number of function calls, code execution time, and memory used.* Instant, event-driven scalability Application components react to events and triggers in near real-time with virtually unlimited scalability; compute resources are used as needed. Full abstraction of servers Developers can just focus on their code—there are no distractions around server management, capacity planning, or availability. What is serverless?
- 40. FaaS is at the center of serverless Functions-as-a-Service programming model use functions to achieve true serverless compute Single responsibility Functions are single- purposed, reusable pieces of code that process an input and return a result Short lived Functions don’t stick around when finished executing, freeing up resources for further executions Event driven & scalable Functions respond to predefined events, and are instantly replicated as many times as needed Stateless Functions don’t hold any persistent state and don’t rely on the state of any other processes
- 41. Azure Functions
- 42. What is Azure Functions? Anevent-based,serverlesscomputeexperiencethatacceleratesappdevelopment Azure Functions = FaaS++ Integrated programming model Use built-in triggers and bindings to define when a function is invoked and to what data it connects Enhanced development experience Code, test and debug locally using your preferred editor or the easy-to-use web based interface including monitoring Hosting options flexibility Choose the deployment model that better fits your business needs without compromising development experience
- 43. Focus on code, not plumbing No infrastructure management No wasted resources, pay only for what you use Auto-scale based on your workload
- 44. Boost development efficiency Integrate with Azure Application Insights Get near real-time details about function apps See metrics around failures, executions, etc.Monitoring Save time with built-in DevOps Deploy functions using App Service for CI Leverage Microsoft, partner services for CDCI/CD Use triggers to define how functions are invoked Avoid hardcoding with preconfigured JSON files Build serverless APIs using HTTP triggersTriggers Connect to data with input and output bindings Bind to Azure solutions and third-party services Use HTTP bindings in tandem with HTTP triggersBindings Define one API surface for multiple function apps Create endpoints as reverse proxies to other APIs Condition proxies to use variablesProxies Debug C# and JavaScript functions locally Use debugging tools in Azure portal, VS, and VS Code Local debugging
- 45. Gain flexibility and develop your way Write code in C#, JavaScript, F#, and Java Continuous investment in new, experimental languagesMultiple languages Simplify coding for new users with native Azure portal Select from popular editors, like VS, VS Code, CLI, Maven*Dev options Choose from six consumption plans to run Functions Run your first million function executions for freeHosting options *VS and VS Code only support C#; Maven only supports Java Write stateful functions in a serverless environment Simplify complex, stateful coordination problems Add the extension to enable advanced scenarios Durable Functions
- 46. Hosting options *Currently in preview Only pay for what you use; charges apply per execution and per GB second Gain all the advantages of Functions along with Microsoft’s financially-backed SLA and the always- on features of an App Service Plan Bring the power of the entire Azure stack to your own data centers Run Functions on your local server; does not include the entire Azure stack Use a dedicated App Service cloud environment (ASE) that comes with network isolation for apps, greater scale, and secure connectivity to local vNets Deploy custom Azure modules on IoT devices Consumption AS Plan Serverless Free, Basic, Standard, Premium AS Environment Network isolation Azure Stack On-premises Runtime Functions on your server IoT Edge* On devices Gain flexibility and develop your way
- 47. Azure Functions is an open-source project Functionsruntimeandallextensionsarefullyopensource https://github.com/Azure/Azure-Functions
- 48. Serverless Apps on Azure
- 49. Portable Serverless PlatformsFn Nuclio OpenFaaS Galactic Fog OpenWhisk Diagrams from https://github.com/cncf/wg-serverless/tree/master/whitepaper
- 52. Microsoft drives community-led innovations for Kubernetes Microsoft also maintains… Cloud Native Application Bundles (CNAB) Virtual KubeletHelm BrigadeDraft 68% of Kubernetes users* prefer Helm as their package manager Visual Studio Code Kubernetes Extensions has 11K monthly active users *August 2018 bi-annual CNCF survey
- 53. Work how you want with opensource tools and APIs Development DevOps Monitoring Networking Storage Security Take advantage of services and tools in the Kubernetes ecosystem Leverage 100+ turn- key Azure services VS Code DevOps ARM Azure VNET Azure Storage Container Registry Azure Active Directory Key Vault Azure Monitor CNAB Virtual kubelet Azure Policy
- 55. Find, share, and use software built for k8s Manage complexity Easy updates Simple sharing Rollbacks
- 56. Simple app development and deployment – into any Kubernetes cluster Simplified development Using two simple commands, developers can now begin working on container-based applications without requiring Docker or even installing Kubernetes themselves Language support Draft detects which language your app is written in, and then uses packs to generate a Dockerfile and Helm Chart with the best practices for that language
- 58. 3 Abstractions • Containers • Functions, triggered by Events • Managed Cloud Services
- 59. Many tools!
- 61. Docker Desktop
- 62. Docker Desktop
- 63. Docker Compose • docker-compose for local dev • docker-compose Kubernetes CRD
- 64. Developer Workflows Local Cloud Container Functions Services docker-compose Azure Functions Runtime mysql, mongo images CosmosDB Code code mounted in local containers inotify to restart if needed
- 65. Azure Dev Spaces
- 66. Capabilities 1. Use Azure Dev Spaces to iteratively develop, test, and debug microservices targeted for AKS clusters. 2. Azure DevOps has native integration with Helm and helps simplifying continuous integration/continuous delivery (CI/CD) 3. Virtual node—a Virtual Kubelet implementation—allows fast scaling of services for unpredictable traffic. 4. Azure Monitor provides a single pane of glass for monitoring over app telemetry, cluster-to-container level health analytics. https://github.com/Microsoft/SmartHotel360-AKS-DevSpaces-Demo Source code control Inner loop Azure Container Registry Azure Pipeline/ DevOps Project Auto-build Azure Monitor CI/CD Test Debug Azure DevSpaces AKS dev cluster AKS production cluster Pods Container instances Pods 1 2 3 4 Integrated end-to-end Kubernetes experience
- 67. Azure Dev Spaces
- 68. Azure Dev Spaces
- 69. Azure Dev Spaces
- 70. Azure Dev Spaces
- 71. Azure Dev Spaces
- 72. Developer Workflows Local Cloud Container Functions Services Azure Code code synced to cloud AKS Azure Functions code built, started
- 73. VS Code Live Share
- 74. VS Code Live Share • You just need VS Code locally • Code and all setup on your collaborator’s machine • Code together without setting anything up • Access services on remote machine from localhost • Works with Azure Dev Spaces on machine sharing the session: double jump to AKS
- 75. Gloo
- 77. THE PROBLEM: Disparate ecosystems, hard transition Monolithic Apps Microservices Serverless Ansible Docker EE AWS 𝝀 APM Splunk SOA Prometheus OpenTracing microservices CloudWatch X-RAY Event-driven Enterprise faces 4 main problems in adopting innovative architectures: 1. Insolation between brown and green field 2. Transition is lengthy and diverts essential personnel from core mission 3. Duplicate redundant tools 4. Requires silo teams
- 78. OUR VISION: Hybrid App Monolithic Apps Microservices Serverless Ansible Docker EE AWS 𝝀 Pros: fast delivery of new features in modern architectures; stop “digging the hole”; gradual transition = minimal interruption; unified tooling. Hybrid app
- 79. Gloo will glue together your hybrid environment Event Request Emit Docker Enterprise Edition Platform Monolithic Apps Microservices Portable Serverless Proprietary Serverless Function-level routing: canary deployment, security, caching Date plane: builds around and extends the Envoy proxy (C++) Control plane: pluggable, extensible architecture (GO) Centralized place to manage security, observability, trafficEnvoy Proxy
- 80. Gloo will glue together your hybrid environment Event Request Emit Docker Enterprise Edition Platform Monolithic Apps Microservices Portable Serverless Proprietary Serverless Full integration with all components of your environment: all clouds, all platforms, all technologies Automatic discovery of all your functions, services & appsEnvoy Proxy
- 81. Let Gloo build your hybrid apps Docker Enterprise Edition Platform Monolithic Apps Microservices Portable Serverless Proprietary Serverless Hybrid app + - ÷× ÷ -x + calc.com/add calc.com/sub calc.com/divcalc.com/mul Envoy Proxy
- 82. Developer Workflows Local Cloud Container Functions Services Azure Code debugger attach to container in cloud AKS Azure Functions
- 83. Telepresence
- 84. Telepresence
- 85. Telepresence
- 86. Developer Workflows Local Cloud Container Functions Services Azure Code local code AKS Azure Functions local process proxied inside aks
- 87. Ksync
- 88. Tilt
- 91. Developer Workflows Local Cloud Container Functions Services Azure Code local changes synced to aks AKS Azure Functions
- 92. CNAB
- 93. Spec for packaging distributed apps CNAB: package distributed apps CNABs facilitate the bundling, installing and managing of container-native apps — and their coupled services Cloud Native Application Bundle
- 94. Install and manage distributed app bundles Duffle: install & manage distributed app bundles Simple CLI to interact with CNAB, for use with your clouds and services of choice Duffle
- 95. A friendlier cloud installer Install your app and its baggage Bundle up not just the app, but everything it needs to run in the cloud Build bundles smarter, not harder Use mixins for common tools and clouds, and depend on existing bundles. Surprise! It does package management too Package and version your bundle, then distribute it for others to use.
- 96. Microsoft at #GIDS19 Booth game & CosmosDB demos Today 14:30: Maheshkumar R Architect your Solution using Virtual Nodes to Auto-Scale your Application on Kubernetes (AKS) We’re hiring: https://aka.ms/ca-india Tomorrow 11:30 Shashank Barsin Traceable and Safe Deployments to Kubernetes using CI/CD Pipelines
- 97. Build Viewing Parties May 6-8 9 cities in India Night parties events.microsoft.com Ignite | The Tour May 22nd, Mumbai
- 98. BUILD THE INTELLIGENT FUTURE Announcing Microsoft “Week of AI” V I R T U A L W O R K S H O P S E R I E S 27th May – 31st May, 2019 In India Timezone To know more & register, visit: aka.ms/WeekofAI
- 99. Create a free Azure Account: https://aka.ms/pat/account Containers docs: https://aka.ms/pat/container learn: https://aka.ms/pat/learn/container Functions docs: https://aka.ms/pat/functions learn: https://aka.ms/pat/learn/functions We’re hiring: https://aka.ms/ca-india Resources
- 100. @bridgetkromhout and @brendandburns for some of the slides @bcantrill for history of containerization slide Thank you
Hinweis der Redaktion
- It’s incredibly easy to get started when using the az command line tool. Assuming you’ve created a resource group, it’s just: az aks create az aks install-cli az aks get-credentials (you might need --overwrite-existing here) That’s it – then you’re up and running and you can query the cluster via kubectl get nodes as you normally would with a Kubernetes cluster. Super simple.
- Building on top of the FaaS programming model, Azure Functions keep all the mentioned features and extend your possibilities with additional capabilities that help to reduce your development time and boost productivity, while using best in class tools.
- Additional information Triggers and bindings – https://docs.microsoft.com/en-us/azure/azure-functions/functions-triggers-bindings Monitoring—https://azure.microsoft.com/en-us/services/application-insights/ Local debugging—https://docs.microsoft.com/en-us/azure/azure-functions/functions-run-local#run-functions-locally CI/CD—https://docs.microsoft.com/en-us/azure/azure-functions/functions-continuous-deployment Run locally—https://docs.microsoft.com/en-us/azure/azure-functions/functions-run-local Proxies—https://docs.microsoft.com/en-us/azure/azure-functions/functions-proxies
- Additional information Languages—https://docs.microsoft.com/en-us/azure/azure-functions/supported-languages Dev options— Azure Functions portal—https://docs.microsoft.com/en-us/azure/azure-functions/functions-create-first-azure-function Visual Studio—https://docs.microsoft.com/en-us/azure/azure-functions/functions-develop-vs Visual Studio Code—https://code.visualstudio.com/docs CLI—https://docs.microsoft.com/en-us/azure/azure-functions/functions-create-first-azure-function-azure-cli Java/Maven—https://docs.microsoft.com/en-us/azure/azure-functions/functions-create-first-java-maven Hosting options—https://azure.microsoft.com/en-us/pricing/details/functions/ Durable Functions—https://docs.microsoft.com/en-us/azure/azure-functions/durable-functions-overview
- And that’s not all! Sure, Terraform plus AKS is a winning combo, but Team Azure is also involved in lots of super-cool k8s ecosystem open source. Take Helm, for example! Which is now a CNCF incubating project - we donated the IP. At this point I always feel like I need to have a content warning for YAML - if YAML upsets you, there will be so much YAML. And we need to manage all that YAML between all our environments and versions! We use helm in AKS, azure dev spaces, azure pipelines, azure devops - this isn’t a “drink our own champagne” story - these tools support us too!
- Helm manages complexity, has easy updates, allows you to easily version and share, and allows for easy release rollback. So let’s go into more detail on each!
- Draft is simple app development and deployment into any kubernetes cluster. Two simple commands is all it takes for developers to start working on container-based applications. Draft also detects the language your applications are written in and uses packs to generate a Dockerfile and Helm Chart based on that programming language.
- Okay, so the new, exciting shiny! Check out cnab.io if you want to jump right in. CNAB: A spec for packaging distributed apps. CNABs facilitate the bundling, installing and managing of container-native apps — and their coupled services. Cloud Agnostic: A CNAB can be composed to utilize whatever infra or services you require - there’s no vendor lock in. Deliverable Apps CNABs can be used to easily deliver apps across teams, organizations and marketplaces - even shared offline. Signed & Secure A CNAB can be cryptographically signed, attested, and verified to ensure a trustworthy source. [building all this on brigade]
- Duffle is a simple command line tool that interacts with Cloud-Native Application Bundles (CNABs) - helping you package and unpackage distributed apps for deployment on whatever cloud platforms and services you use. - duffle-bag is a GUI, too.
- Okay, so that’s a lot. Porter makes using CNAB easier - it’s a declarative bundle builder. When we deploy to the cloud, most of us aren’t dealing with just a single cloud provider or toolchain. The simplest of applications today need nginx, Let’s Encrypt, persistent file storage, DNS, and somewhere in there is your application. One app is installed with Helm, another with the cloud provider’s cli and it’s all glued together with magic bash scripts. That is a lot to figure out! 😅 Porter is a cloud installer that helps you manage everything together in a single bundle, focusing on what you know best: your application. Mixins: classes with methods for use by other classes (while not relying on inheritance). We can describe actions using mixins.