MuleSoft Online Meetup a Guide to RTF application deployment - October 2020
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The document serves as a comprehensive guide to Runtime Fabric (RTF) application deployment by Mulesoft, detailing its architecture, deployment processes, troubleshooting methods, and best practices. It emphasizes the proprietary nature of the content and outlines significant considerations such as licensing, CI/CD integration, and application resource allocation. The guide also addresses common deployment issues and operational challenges faced during the deployment process.
MuleSoft Online Meetup a Guide to RTF application deployment - October 2020
- 1. All contents © MuleSoft, LLC A Guide to RTF Application Deployment October 2020 Steven Yu Senior Customer Architect
- 2. All contents © MuleSoft, LLC Safe harbor statement The information in this presentation is confidential and proprietary to MuleSoft and may not be disclosed without the permission of MuleSoft. This presentation is not subject to your license agreement or any other service or subscription agreement with MuleSoft. MuleSoft has no obligation to pursue any course of business outlined in this document or any related presentation, or to develop or release any functionality mentioned therein. This document, or any related presentation and MuleSoft's strategy and possible future developments, products and or platforms directions and functionality are all subject to change and may be changed by MuleSoft at any time for any reason without notice. The information on this document is not a commitment, promise or legal obligation to deliver any material, code or functionality. This document is provided without a warranty of any kind, either express or implied, including but not limited to, the implied warranties of merchantability, fitness for a particular purpose, or non-infringement. This document is for informational purposes and may not be incorporated into a contract. MuleSoft assumes no responsibility for errors or omissions in this document, except if such damages were caused by MuleSoft intentionally or grossly negligent. All forward-looking statements are subject to various risks and uncertainties that could cause actual results to differ materially from expectations. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of their dates, and they should not be relied upon in making purchasing decisions.
- 3. All contents © MuleSoft, LLC About Me ● 12+ years experience in the ICT (Information & Communication) technologies ● Cloud, networking, infrastructure and integration ● Cloud (AWS) and Kubernetes SME ● Runtime Fabric Specialist LinkedIn: https://linkedin.com/in/yuxiaojian Certifications: ● AWS Advanced Networking and Security (Specialty) ● AWS Architecture and DevOps (Professional) ● AWS Big Data and Machine Learning (Specialty) ● CNCF (Cloud Native Computing Foundation) Certified Kubernetes Administrator and Developer (CKA & CKAD) ● MuleSoft Certified Developer Steven Yu (Senior Customer Architecture)
- 4. All contents © MuleSoft, LLC Agenda 1. RTF architecture overview 2. What behind an application deployment 3. Deployment Considerations 4. Troubleshoot deployment issues 5. Recap 6. Q&A 4
- 5. All contents © MuleSoft, LLC cluster-ip teleportplanet DNS etcd flannel kube-api Monitoringkube-controller-manager kube-scheduler agent Runtime Fabric Architecture MuleSoft Deploy and manage apps kubernetes K8s, monitoring, and DNS components Gravitational The low-level dependencies for k8s Runtime K8s Layer RTF Runtime resource-cacheingress Log forwarder registry-creds kubelet DNS cluster-status systemd Gravity Layer Helm
- 6. All contents © MuleSoft, LLC Pre-survey questions - architecture 6 1. How to set up RTF and what's the difference between cloudhub and RTF? a. Cloud versus Hybrid 2. If RTF deployed in AWS VPC, how can it connect to SAP system hosted on premise a. DirectConnect or VPN 3. Would be good to have a touch base on RTF in Azure 4. Does this work on Google cloud? a. Cloud agnostic 5. What’s going under the hood during rtf installation ( istio, helm chart). Purpose of certificate generation. Is the url taken from generated certificates? a. init.sh 6. Updating components through terraform on AWS 7. Logging frameworks with RTF a. Temporary local log store + centralized log server b. Three log forwarders 8. How DR is handled in RTF 9. How the object store works differently in case of runtime fabric? a. https://docs.mulesoft.com/runtime-fabric/1.7/runtime-fabric-limitations b. How To Use Redis As Custom Object Store Reference In Mule 4 c. Implement Watermark with a DB connector
- 7. All contents © MuleSoft, LLC What behind an application deployment 7
- 8. All contents © MuleSoft, LLC Application Deployment - Resource allocations 8 (https://docs.mulesoft.com/runtime-fabric/latest/deploy-resource-allocation) Burstable CPU ● CPU throttling ● CPU allocation and licensed core Guaranteed Memory ● Memory allocation ● RTF Applications are Restarted by Themselves or After a New application Deployment Due to "Burstable" Memory Mode
- 9. All contents © MuleSoft, LLC Application Deployment - maven 9 CICD pipeline and maven Maven deployment in Mule 3 or Mule 4 ● Upload application to Exchange and deploy ● How to deploy a Mule 4 application to Runtime Fabric with Maven ● How to Deploy a Mule 3 Application to Runtime Fabric With Maven Deploy an application already in Exchange ● How to Use Maven to Deploy an Application from Exchange to RTF Directly Deployment parameters not supported by the Maven Plugin ● How to Configure JVM Arguments via API to RTF Applications
- 10. All contents © MuleSoft, LLC Pre-survey questions - deployment 10 Part 1 1. How CI-CD differs compared to deployment on Cloudhub? 2. Can you talk about the exchange limit of max 100k assets for RTF deployments per org and how to overcome it? a. https://docs.mulesoft.com/exchange/to-create-an-asset#asset-limits 3. How does RTF licensing works? a. https://docs.mulesoft.com/runtime-fabric/1.7/deploy-resource-allocation#mulesoft-license-compliance 4. For business financial and expense reporting what out of box feature is provisioned in rtf 5. The asset publication to exchange should be handled by CI or the developer what's the best practice? Also, I couldn't find the properties in the control plane properties tab though I have added them in pom.xml under mule maven plugin RTF deployment. 6. How does RTF manage multiple versions of runtime deployment and why is this needed? 7. How different environments like DEV, QA, UAT, STG, PROD are created in RTF? Do we need to set up a separate RTF for each environment or some other approach is followed? a. Each environment is a different namespace in rtf b. No network segregation within the same RTF cluster
- 11. All contents © MuleSoft, LLC Pre-survey questions - deployment 11 Part 2 1. How do we set up CI/CD in RTF deployment topology? Is mulesoft going to provide base Image with pre configured dependencies? How can we manage app deployment to pods? 2. Want to understand how Jenkins will be build with RTF 3. A Mule deployment in a Jenkins pipeline. How to use environmental variables and property placeholders in a .yaml or properties file? 4. How popular is this deployment option? Does it support Mule domain projects? a. https://help.mulesoft.com/s/article/Domain-Support-Shared-Resources-with-MuleSoft-Platforms 5. How do we deploy RTF on machine which has four cores ? so RTF pod would be only for each core or each core can have more than one pod of RTF ? a. Fractional cores or multiple cores 6. How to scale deployed application on RTF? 7. How the URLs look like which APIs can use to call each other within RTF a. https://help.mulesoft.com/s/article/How-to-Access-Mule-Applications-in-the-Same-RTF-Cluster-from-One-Application
- 12. All contents © MuleSoft, LLC Troubleshoot application deployment issues 12 Operational or connectivity issues UI issues ● "Deploy failed. Something went wrong" ○ Deploy deleted assets ○ Exchange Permission Connectivities ● Mutual authentication - no TLS/SSL interception Maven deployment ● The Minimum Permission to Deploy an Application with Anypoint Console or Maven in RTF ● Can not Load MQ Connector in Mule 3 applications in RTF ● Error "No application with the provided GAV could be retrieved from Exchange" when deploying an application to Runtime Fabric
- 13. All contents © MuleSoft, LLC Troubleshoot application deployment issues 13 Pod start issues Init:ImagePullBackOff ● Init:ImagePullBackOff in RTF ● Manually Renew the Credentials for the Image Registry in RTF Application CrashLoopBackOff or keep restarting ● How to check if an application is restarted due to memory issues in RTF (Runtime Fabric) ● How to check the memory usage of an application replica in RTF (Runtime Fabric) ● How to Check Application Native Memory Usage in RTF ● Application crashed during starting ● Init:CrashLoopBackOff - the init container got a problem downloading the application package API auto-discovery ● Application In RTF Stays At "Applying" Status Due to API Auto Discovery
- 14. All contents © MuleSoft, LLC Troubleshoot application deployment issues 14 Platform issues CGroup memory leaking (kernel memory accounting) ● Kernel memory accounting issue ● Kernel issue ○ “Cause Unknown” - from Redhat ● Symptoms - "cannot allocate memory" ○ Health status refresh timeout - Cluster-status ○ Agent update timeout ○ PullImageBackoff - registry-creds ○ Agent disconnected ● RTF - How to Resolve the Cgroup Memory Leaking Issue in Runtime Fabric ○ Regular cluster maintenance and reboot Flannel ● Fixed in new versions ● How to Check if the Overlay Network is Working Well in RTF
- 15. All contents © MuleSoft, LLC Best practices 15 Keep the infrastructure and RTF platform in good status ● Regularly patch and reboot nodes (at least every two months) ● Keep version gaps small Build a CICD pipeline and always test before proceeding to Prod ● Allocate enough memory ● Provide client credentials if it’s app with auto-discovery
- 16. All contents © MuleSoft, LLC Recap 16 RTF architecture Application deployment process Deployment considerations Troubleshoot application deployment issues
- 17. All contents © MuleSoft, LLC Q&A 17
- 18. All contents © MuleSoft, LLC Thank you