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Making Microservices Smarter with Istio, Envoy and Pivotal Ingress Router

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As the popularity of microservices continues to rise, so does the need for an efficient means of intercommunication. Features such as service discovery, client-side load balancing, and circuit breakers become invaluable tools as the complexity of your landscape grows. Thus, the rising popularity of the service mesh as means of delivering those capabilities.

While this technology space is still young, Istio and Envoy have already become the tools that many use to solve these problems. The Pivotal Application Service (PAS) integration with these solutions introduced weighted routing and guaranteed service identity—and now we’re bringing these features to Pivotal Container Service (PKS) via the new Pivotal Ingress Router.

In this webinar, we’ll explore why a service mesh matters and how Pivotal Ingress Router works, and we’ll give you a sneak peak into its future.

Speakers:
Brian McClain, Assoc. Principal Product Marketing Manager Tyler Britten, Sr. Principal Technologist, Pivotal

Publié dans : Technologie
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Making Microservices Smarter with Istio, Envoy and Pivotal Ingress Router

  1. 1. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Pivotal Service Mesh Brian McClain Tyler Britten
  2. 2. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Safe Harbor Statement This presentation contains statements which are intended to outline the general direction of certain of Pivotal's offerings. It is intended for information purposes only and may not be incorporated into any contract. Any information regarding the pre- release of Pivotal offerings, future updates or other planned modifications is subject to ongoing evaluation by Pivotal and is subject to change. All software releases are on an “if and when available” basis and are subject to change. This information is provided without warranty or any kind, express or implied, and is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions regarding Pivotal's offerings. Any purchasing decisions should only be based on features currently available. The development, release, and timing of any features or functionality described for Pivotal's offerings in this presentation remain at the sole discretion of Pivotal. Pivotal has no obligation to update forward- looking information in this presentation. This presentation contains statements relating to Pivotal’s expectations, projections, beliefs, and prospects which are "forward- looking statements” and by their nature are uncertain. Words such as "believe," "may," "will," "estimate," "continue," "anticipate," "intend," "expect," "plans," and similar expressions are intended to identify forward-looking statements. Such forward-looking statements are not guarantees of future performance, and you are cautioned not to place undue reliance on these forward- looking statements. Actual results could differ materially from those projected in the forward-looking statements as a result of many factors. All information set forth in this presentation is current as of the date of this presentation. These forward-looking statements are based on current expectations and are subject to uncertainties, risks, assumptions, and changes in condition, significance, value and effect as well as other risks disclosed previously and from time to time by us. Additional information we disclose could cause actual results to vary from expectations. Pivotal disclaims any obligation to, and does not currently intend to, update any such forward-looking statements, whether written or oral, that may be made from time to time except as required by law.
  3. 3. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. We’re going to talk about three things. What is Service Mesh and what problems does it address? Why Istio & Envoy? A Look at Pivotal Service Mesh
  4. 4. What is Service Mesh, and what problems does it address? Pivotal Service Mesh
  5. 5. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. First principles: Why Microservices? ● One-way velocity is not inherently valuable ● The business value of rapid software innovation is in the speed with which an organization can learn from its customers. ● Architecting applications as composable services enables more rapid innovation, but introduces complexity.
  6. 6. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Polyglot Microservice Architectures End User v1 v2 v3 v1 v2 v1
  7. 7. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Common Concerns Developers ● Load Balancing ● Shifting traffic to new versions ● Rate limiting ● Circuit Breaking ● Client-side service discovery, load balancing, retries, timeouts, etc ● Security ● Metrics and observability Platform Engineers ● Authorization and Authentication ● Security (Policy) ● Mutual TLS ● Metrics and Observability ● Cross-datacenter failover
  8. 8. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Traditional Solution: Language Specific Libraries End User v1 v2 v3 v1 v2 v1
  9. 9. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Challenges ● Consistency across lines of business and language frameworks ● Visibility - Operators don’t have a unified view of current state ● Burden on app developers to implement security ● Configuration and Version Management
  10. 10. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. v1 v2 v3 v1 v2 v1 Ingress Proxy Service Mesh: Centralized Management of Sidecars Egress Proxy End User Service Mesh Control Plane
  11. 11. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. How does the Service Mesh pattern help? ● Polyglot solution ● Policies can be applied and managed at scale ● Security abstracted from the developer ● Consistent, declarative UX for all personas ● Centralized control and observability ● Configuration can be governed by role-based access control
  12. 12. Istio & Envoy Pivotal Service Mesh
  13. 13. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. v1 v2 v3 v1 v2 v1 Ingress Proxy Service Mesh: Centralized Management of Sidecars Egress Proxy End User Service Mesh Control Plane
  14. 14. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Envoy is the Proxy ● Developed at Lyft, contributed to Cloud Native Foundation ● Designed from scratch to be fully API driven ● Low memory footprint ● Rich telemetry ● Intelligent traffic management ● Distributed security ● Used in PAS since 2.1 (Instance Identity) ● Being adopted widely; used in production by several Pivotal customers independent from our products
  15. 15. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Istio is the Control Plane ● Purpose built for Envoy ● Vibrant OSS community including contributors from Google, IBM, Cisco, and Pivotal ● Platform agnostic ● Already being progressively added to PAS ○ Weighted Routing ● Emphasis on pluggability and extensibility
  16. 16. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Why has Pivotal invested in Istio & Envoy? ● With PCF, Pivotal aims to increase operator and developer productivity at every level of abstraction ● Istio is well-aligned to the vision and roadmap for PCF ○ Applicability to all app types ○ Run and Operate microservices at scale ○ Secure by Default ○ Multi-cloud ● Large OSS community contributing to Istio ● By leveraging Istio & Envoy, we expect to deliver these outcomes more quickly than if we built our own solutions.
  17. 17. Current State & Roadmap Pivotal Service Mesh
  18. 18. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Client Load Balancer Load Balancer PAS Container Sidecar App TCP Router Gorouter TLS for Ingress to Container, Routing Guarantees Shipped in PAS 2.1 ● Envoy sidecar running in every Linux container (Windows support coming soon) ● Single purpose: terminating TLS for ingress via Gorouter - entire data path encrypted from client to container (encryption of C2C coming soon) ● Providing container identity so that Gorouter can prevent misrouting
  19. 19. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Weighted Routing for PAS Ingress Shipped in PAS 2.5 (Beta) ● Enable app developer to control percentage of HTTP requests sent to each version of an app ● Envoy as platform Istio ingress gateway, deployed alongside Gorouter and TCP Router, dynamically configured by Istio ● Operator must enable Service Mesh in PAS tile Client Load Balancer PAS Container Sidecar App v1 Istio Ingress TCP Router Gorouter Container Sidecar App v2 90% 10% Load Balancer
  20. 20. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Platform managed sidecars for app-to-app communication ● In development; targeting Beta support in PAS 2.7 ● Platform managed sidecars enable client-side load balancing, timeouts, and retries ○ Improve developer efficiency ● Platform managed sidecars enable mTLS between all applications in PAS ○ Improves developer efficiency ○ Increase security posture PAS Container Sidecar App v1 Istio Ingress TCP Router Gorouter Container Sidecar App v2
  21. 21. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Pivotal is Bringing Envoy and Istio to .NET and Windows Workloads Pivotal have been actively contributing Windows support to Envoy. Once that milestone is reached, Windows workloads will be ready to participate in the upcoming PCF service mesh and routing capabilities.
  22. 22. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Observations PAS, PKS, and all data services have common needs with regard to security policy, routing, and observability of inter-service communications. Customers, especially Security teams, are enthusiastic about the service mesh pattern. Kubernetes users are feeling pain with the lack of a multi- cluster ingress routing solution. (PAS, in contrast, includes automation to mask network config complexity.) Istio and Envoy are strategically critical technologies to delivering on customer requirements.
  23. 23. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Pivotal Service Mesh Vision Pivotal Service Mesh is a collection of platform services that improve security, traffic management, and observability for Pivotal and partner products, including PAS, PKS, and data services. ● Ingress, service to service, and egress ● Within clusters, between clusters, between clouds ● Security policy enforcement at application protocol layer, in addition to SDN-based enforcement ● Traffic management ● Exposing telemetry to operators and app developers from all sidecars in the mesh The 1.0 release of Pivotal Service Mesh is the first step in realizing this vision.
  24. 24. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. K8s (PKS) Pivotal Service Mesh 1.0 Eliminates the need for platform operators to configure load balancers and DNS for each PKS- deployed K8s cluster ● HTTP routing to K8s API nodes ● Runs on K8s; bring-your-own or use PKS K8s (PKS) Worker Pod Load Balancer K8s API client (kubectl) K8s (PKS) Worker Pod API API workload client WorkerWorker Mesh Ingress (Envoy) Mesh Control Plane (Istio)
  25. 25. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Pivotal Service Mesh: Roadmap ● Consolidated ingress service for PAS and PKS ○ Improve platform operator efficiency ● Support for other Pivotal services (PFS, Data Services, etc) PAS Diego Cell Sidecar App K8s (PKS) Load Balancer K8s API client (kubectl) K8s (PKS) Worker App Master workload client WorkerWorker Mesh Ingress (Envoy) Mesh Control Plane (Istio) Cloud Controller PAS API client (cf) Other Services
  26. 26. © 2019 PIVOTAL SOFTWARE, INC. All Rights Reserved. Confidential & Provided Under NDA —Do Not Distribute. Forwarding this document outside your organization is prohibited. Pivotal Service Mesh: Roadmap Security ● Bring your own certs for custom domains ● Require HTTPS, redirect HTTP to HTTPS ● Workload JWT Token Acquisition, Validation, and RBAC Traffic Management ● HTTP/2, UDP ● Rate limiting Observability ● Tracing ● Metrics Multi-cluster / Multi-cloud / Off-platform ● Traffic Management ● Security ● Observability Prioritization subject to customer feedback.
  27. 27. Join us in October 7–10, 2019 Austin Convention Center Austin! springoneplatform.io
  28. 28. Thank you! Pivotal Service Mesh

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