Step 4: Confirm Ingress Setup. Overall, organizations looking forward to using an ingress supported API gateway for routing traffic will be satisfied with features and enterprise support offered by Datawire for the commercial version. Service with an RFC 2606 invalid hostname, e.g. How to help my stubborn colleague learn new ways of coding? Configuration Reference The configurations in the Kubernetes Ingress Controller can be tweaked using Custom Resources and annotations. Why would you choose Apache APISIX instead of NGINX or Kong? different load balancing strategy, The manifest for "foo" (again, Im only showing the "foo" example here, since the "bar" file is nearly identical) would look like this: has manifests for both microservices, which you can download and deploy to your cluster like this: Now that you have our two microservices running in our Kubernetes cluster, lets, There are several options for this, which you will find in the. CapitalOne has been able to scale to over12 billion API calls per day using NGINX Open Source. as a Kubernetes API gateway on a cluster. Download and apply them: Now, Kong will route calls to /foo to the foo microservice and /bar to bar. It also uses system resources more efficiently, using40% less CPU than Kong for the same workload. apiVersion: networking.k8s.io/v1 This results in highperformance API traffic mediation for both northsouth and eastwest traffic. minute: 5 controller: ingress-controllers.konghq.com/kong It first distributes them evenly across a number of "port":443, }. Ingress Ingress Controller Ingress . ingressClassName: kong Theyre on by default for everybody else. create a class configuration to associate routes with: Official distributions of Kong Ingress Controller come with a kong spec: And this Ingress, default Ingress and Nginx will actually interfere with Istio Ingress gateway. Asking for help, clarification, or responding to other answers. apiVersion: configuration.konghq.com/v1 Kong is built on NGINX, and uses Lua to implement its API functionality, whereas the API Management Module relies completely on native, highperformance capabilities that are implemented as NGINXPlus modules. Configuring Kong via the Admin API or using the Ingress sepc, the feature sets offered by Kong remain the same. Refer to the custom resources concept document for more details. - path: /foo upstream target weight such that the aggregate target weight of the Endpoints - name: echo NGINX is a free open source version that does not include active health checks and JWT authentication (OpenID SSO) (included in NGINX plus). Powered by Discourse, best viewed with JavaScript enabled, Kong VS nginx kunernetes ingress controller, Manually adding values to Kong but after a while values are getting deleted. Guides and Tutorials Browse through the how-to guides to get started or understand how to configure a specific setting with the Kubernetes Ingress Controller. The API Management Module handles more than2x as many JWTauthenticated API calls per second as Kong. --- Ingress, compared to Kubernetes services, operates at the application layer of OSI models instead of the network layer, which provides it the ability to inspect individual HTTP/HTTPS requests for secure communication. limit_by: ip controller loads. This and other fields available on the Kong upstream resource cant be dedicated annotations, and these annotations will become the only means of not found error, you can skip this command. fieldPath: status.podIP targetPort: 1025 Analytics cookies are off for visitors from the UK or EEA unless they click Accept or submit a form on nginx.com. port: 80 If you are using your own regular expressions in paths, use Official TLS certs are getting mounted into the pods (from an Azure Key Vault), so we are not needing any self-signed certificates. using DB-less mode, as both routes are then re-added at the same time. selector: strategy: {} x-split: alpha, and another that matches requests with x-split: bravo or ", " v1 seeks to reduce confusion by introducing several path Nginx Web . As far as Ingress Spec in Kubernetes goes, both controller satisfy it and work as one would expect. An Ingress controller is a specialized load balancer for Kubernetes (and other containerized) environments.Kubernetes is the de facto standard for managing containerized applications. Ive demonstrated one simple use of Kong, but its only a starting point. These buckets are then distributed across the available Thank you! --- microservices docker images and push them to Docker Hub as: for each microservice, both for "foo" and "bar." weight 16 targets and eight weight 4 targets). apiVersion: v1 The latest Gartner Magic Quadrant for Full Life Cycle API Management ranks22 vendors, with7 in the Leaders quadrant. Learn how to use NGINX products to solve your technical challenges. To build and push docker images representing our microservices, you will need: Note: Optional because you can deploy the images Ive already created. name: http policy: local NGINXController enables you to manage the entire lifecycle of NGINX Plus, as a load balancer, API gateway, or a proxy in a service mesh environment. This guide walks through setting up an HTTP(S) route and plugin using Exceeding those limits will produce IP charges, which can quickly rack up when operating at a large scale with lots of namespaces. NGINX is a free open source version that does not include active health checks and JWT authentication (OpenID SSO) (included in NGINX plus). "thumbnailUrl": "https://i.ytimg.com/vi/hrYqGXU-a6E/default.jpg", Kong can also apply plugins to Services. - host: kong.example by default. fieldPath: metadata.name resources: {} http: Also, haproxy supports the "PROXY" protocol, allowing you to pass real client IP to backend services. defining the new behaviour: Now, lets associate this KongIngress resource with our Service resource Creating the load balancer will take a minute or two. Find centralized, trusted content and collaborate around the technologies you use most. Kong Ingress. kind: Ingress controllerName: konghq.com/kic-gateway-controller The ingressClassName Nginx Ingress. "embedUrl": "https://www.youtube.com/embed/hrYqGXU-a6E", powered by Disqus. Typically, Ingress Solution is an application that specifies various mechanisms according to specification in Ingress Resource. Why was Ethan Hunt in a Russian prison at the start of Ghost Protocol? apiVersion: gateway.networking.k8s.io/v1beta1 Implementing Ingress requires an Ingress Controller configuration, which is responsible for handling Ingress Resource information and traffic routing. - charlie Digital transformation has led to a high velocity of data moving through APIs to applications and devices. There are a few things youll need to work through in this article. The key to handling modern dynamic, scalable workloads in Kubernetes is a networking stack that can deliver API management, a service mesh and an ingress controller. For these routes, you should - containerPort: 1027 }] proxy.connect_timeout: 30000 in a KongIngress and applied an In this blog well compare its performance to Kong, a competitor known for its high performance. spec: metadata: ingressClassName: kong config: To proxy requests, you need an upstream application to proxy to. The rule can assign weights to the Services to change the proportion annotations: name: echo We used curl for the singlerequest latency testing. In v1beta1, ingress class was handled informally using This article uses Helm 3 to install the NGINX ingress controller on a supported version of Kubernetes.Make sure that you're using the latest release of Helm and have access to the ingress-nginx Helm repository. It offers auto-scaling, fault tolerance and zero-downtime deployments out of the box. containers: kind: HTTPRoute a specific setting with the Kong Ingress Controller. Lets expose the echo service outside the Kubernetes cluster What is the use of explicitly specifying if a function is recursive or not? rules defined in the Ingress resources. We offer a suite of technologies for developing and delivering modern applications. Docker version18.09.1. Gateway APIs resources, such as HTTPRoute, do not support KongIngress, and The API Management Module outperformed Kong handling2.6x as many API calls per second for 1-KB responses. Why do we allow discontinuous conduction mode (DCM)? API gateways can simplify the development and maintenance of a kubernetes architecture. Kubernetes Ingress: Nginx Ingress Edition - DEV Community Docker App and K8s Ingress Deployment Tutorial | Kong Inc. template: deprecated. Latency is one of the most important metrics for enduser experience. following: Although v1 Ingresses provide path types with more clearly-defined logic, the Doing so makes it necessary to choose a solution that can function with on-prem services and the cloud. port: - enabled Custom Resources and annotations. name: sample-customization spec: Privacy Notice. If youre already familiar, you could skip ahead to the, All this has led to significant restructuring and. It is not available via an Uncheck it to withdraw consent. more with Kong, and Id encourage you to look at the. kind: IngressClass If you wish to use the Gateway APIs examples, follow the supplemental their ingressClassName field. You can configure the Kong upstream associated with the Service to use a Cloud-based Ingress solutions implement routing and load balancing algorithms from outside of the cluster. Get technical and business-oriented blogs that help you address key technology challenges. If youve not done so, follow one of the NGINX Open Source is also the industrys most ubiquitous API gateway, an infrastructure component that processes API traffic in APIM solutions like those from Apigee, Axway, IBMDataPower, Kong, Red Hat 3scale, and TorryHarris. To test it, send another request through the proxy: Requests that match the echo Ingress or HTTPRoute now include a The advantage of using in-cluster ingress solutions is that they can be easily scaled with the Kubernetes environment as they are defined as a pod in the Kubernetes cluster. Explore the areas where NGINX can help your organization overcome specific technical challenges. Mostly all the cloud-based ingress solutions provide support for more than a basic traffic forward mode, which helps eliminate the potential load balancing bottlenecks in the public cloud through native integration. Youll be able to access both routes depending on which header you use: Note that demo-copy requires both headers, but matches any of the failures scenarios, recovery methods, as well as scaling considerations. The NGINXController API Management Module is a highperformance APIM solution. same Pod: If you add the header, Kong hashes its value and distributes it to the konghq.com/headers annotation. - name: POD_NAMESPACE Check this box so we and our advertising and social media partners can use cookies on nginx.com to better tailor ads to your interests. All Installation Guide. - name: proxy "op":"add", The first command creates a service named test and the second creates the route /test pointing to the server. "description": "Viktor Gamov, a principal developer advocate at Kong, explains how to quickly enable external access to your applications that run in Kubernetes using the Kong Ingress Controller. . --- konghq.com/strip-path: 'true' attaching a KongIngress to an Ingress resource. We made the following settings to maximize performance. fieldRef: The design document explains how the Kong Ingress Controller works ", " Controller, Using KongConsumer and KongCredential Resources, Configuring Circuit-Breaker and Health-Checking, supplemental deployment guides to configure this environment variable. multi-cloud environments. These cookies are on by default for visitors outside the UK and EEA. We ran the following Kong API calls to create a route to the API server. We used the same JWT, signed using HS256, with both gateways (details). spec: pathType: ImplementationSpecific metadata: spec: }]', '[{ env: If kubectl get ingressclass kong does not return a ports: "path":"/spec/tls", name: tcp service: Kong Ingress Controller and Ingress Class - v2.10.x | Kong Docs Kubernetes Ingress is an API object that can be easily set up on top of Kubernetes services for managing external users access to services deployed on a Kubernetes cluster. Under the hood, NGINXController generates NGINXPlus configuration which is published to the underlying NGINXPlus data plane. over the proxying behavior. - name: kong How Do I Choose? API Gateway vs. Ingress Controller vs. Service - NGINX NGINX Webinars Get the Most Out of Kubernetes with NGINX 594), Stack Overflow at WeAreDevelopers World Congress in Berlin, Preview of Search and Question-Asking Powered by GenAI, Temporary policy: Generative AI (e.g., ChatGPT) is banned, What's the difference between jwilder/nginx-proxy and kubernetes/ingress-nginx, Kubernetes Ingress controller vs kube-proxy, Ingress resource vs NGINX ingress controller on Kubernetes, Nginx ingress controller vs HAProxy load balancer, Ingress vs Direct Nginx Deployment on On-premise Kuber Cluster, k8s Ingress with Kong - Plugin Application and Configuration via cURL vs YAML, Difference between using nginx pod as reverser proxy vs nginx ingress, Ingress Nginx vs Nginx deployment in kubernetes. konghq.com/override annotation for that KongIngress to a Service, you will Aside from vendor lock-in, In-cluster ingress solutions also take less time to create and update clusters with strict health checks and cross namespace, which can be an issue with AWS and GCE ingress controllers as they require a new instance of Ingress with every namespace. By default, if no ingress rules are defined, the ingress controller will route traffic to the default backend port specified in ingress resource information. These become tougher to maintain as there would be different solutions from every provider. name: tcp Each provides their own way for service handling and are useful in different scenarios. Kubernetes is becoming the hosting platform of choice for distributed architectures. controller: ingress-controllers.konghq.com/kong Your most important API endpoints will likely be authenticated, so this test more closely approximates a realworld configuration. selector: targetPort: 1025 x-split: "secretName":"kong.example" Join us wherever you hang out: Ask and answer questions on Kong Nation, { metadata: a HTTP 404 Not Found status code: This is expected since Kong Gateway doesnt know how to proxy the request yet. Get the help you need from the experts, authors, maintainers, and community. But before diving into Ingress, Lets take a quick look at how other two service type works. path. In this tutorial, Im going to create a real Kubernetes cluster on DigitalOcean because its quick and easy, and I like to keep things as close to real-world scenarios as possible. , here are several examples of other things you can do: plugin to Kong, you can require your API callers to provide a valid JSON Web Token (, ) and check each call against an Access Control List (. ) configure settings that are specific to Kong and provide fine-grained control As detailed in the next section, we made similar settings in the Kong configuration. selector: ", " Kong was initially implemented as an API Gateway to process and route API requests. name: http Kubernetes as a project currently supports GLBC (GCE L7 Load Balancer) and ingress-nginx controllers by default. You can enable integration with cert-manager to provision and auto-renew SSL certificates for your API endpoints so that all your API traffic is encrypted as it travels over the public internet. identical matching criteria, Kong uses their creation time as a tiebreaker, defaulting to the route created first. In order to. Learn more at nginx.com or join the conversation by following @nginx on Twitter. - 'kong.example' default security settings and how to further secure the Ingress Controller. You will need to fake a load-balancer, though, either using the. We generated the JWT and JSON Web Keys (JWKs) using the instructions in this blog post, storing the JWT in a file named test.jwt. All three machines were identical. Ingress-nginx is an open-source Ingress Controller officially supported by the Kubernetes community. This tutorial will walk through how easy it is to set up the open source Kong Ingress Controller as a Kubernetes API gateway on a cluster. Its ingress class annotation is set to kong, and ingress controllers set to process kong class Ingresses will process it.. value of the Ingress object must match the value of the name field in the ", protocol: TCP Welcome - Ingress-Nginx Controller Overview This is the documentation for the Ingress NGINX Controller. - name: NODE_NAME . Some vendors position their API gateway tool as an alternative to using an Ingress controller or service mesh - or they roll all three capabilities into one tool. Please refer to the following documents detailing this process: FAQs will help find answers to common problems quickly. For example, if you had set See what makes Kong the fastest, most-adopted API gateway, Check out the latest Kong feature releases and updates, Single platform for SaaS end-to-end connectivity, Enterprise service mesh based on Kuma and Envoy. Get the help you need from the experts, authors, maintainers, and community. For example, AWS Ingress Controller creates an Application Load Balancer by default, which seamlessly integrates with AWS cloud to provide load balancing to pods without providing access to nodes and proxy configs. "kind":"Secret", Ingress v1 introduces support for backends other than Kubernetes Services through 1 One difference I'm aware of, is that haproxy and nginx ingresses can work in TCP mode, whereas traefik only works in HTTP/HTTPS modes. spec: After installing doctl, youll need to authenticate using the DigitalOcean API token: Now that you have authenticated doctl, you can create your Kubernetes cluster with this command: Note: The command spins up a Kubernetes cluster on DigitalOcean. Scaling the name: kong metadata: plugin configuration on all requests to that Service, without configuring the labels: matchLabels: So what makes NGINXs APImanagement solution different? Standard API gateway features such as rate-limiting and custom filters can easily integrate with Ingress components and various service mesh solutions. apiVersion: gateway.networking.k8s.io/v1beta1 spec: To set a baseline, we first made a request to the API server without an API gateway in front of it. The -d parameter specifies the duration of the test, in our case180 seconds(3 minutes). k8s ingress-nginx - safely disable admissionWebhooks? Ingress rules are typically defined under resource information and contain metadata to process incoming traffic to services in the Kubernetes cluster. Additionally, several NGINX and NGINX Plus features are available as . Gateway APIs installation instructions. Im going to apply the manifest directly, like this: Installing Kong will create a DigitalOcean. They are usually open-source, making it easy to choose the ingress controller that suits the organizations specific load balancing and security needs. Setting the --process-classless-kong-consumer controller flag removes that requirement: when enabled, the controller will process KongConsumers with no kubernetes.io/ingress.class annotation. Competing in an existing market requires establishing a strong position to differentiate and stand out from the competition. metadata: Kong Gateway and Kong Ingress Controller. You would want to configure your proxy using a standardize abstraction, the Ingress Spec (yaml). to provision and auto-renew SSL certificates for your API endpoints so that all your API traffic is encrypted as it travels over the public internet. ", " configured using annotations, only using KongIngress. First, create a test certificate for the kong.example hostname using one of the following commands: Older OpenSSL versions, including the version provided with OS X Monterey, Many companies already use NGINX Open Source as their API gateway. The Kong Ingress Controller is designed to scale with your traffic annotations: listeners: app: echo and bar.example.com with either v1 or v1beta1 Ingresses. Using declarative config provides several key benefits to reduce complexity, increase automation and enhance system performance. Ingress classes filter which resources the The API management (APIM) market is a crowded space. It is very similar to our iptables or ipvs routing table Nginx Ingress relies on a Classic Load Balancer (ELB) Nginx ingress controller can be deployed anywhere, and when initialized in AWS, it will create a classic ELB to expose the Nginx Ingress controller behind a Service of Type=LoadBalancer. Istio is a popular service mesh that enables traffic management, security, and observability features for Kubernetes clusters. by defining an Ingress. richer information about the controller. --- Kong does not support any dedicated resource backend configurations, though it "value":{ Istio Ingress is a service mesh solution that can be implemented as an ingress controller to mediate all the outside traffic coming towards the cluster. In contrast, solutions that implement load balancing outside of the cluster through a cloud provider are called External Ingress solutions or cloud-based ingress controllers. ", " On the Other hand, the Load Balancer service type implements an external load balancer that routes external traffic to a Kubernetes service. Gateway APIs installation instructions. } We used wrk to send a continuous stream of requests for either a 0-KB or 1-KB file, on300 connections for3 minutes (details). Doing so will incur charges (approximately $0.01/hour, at the time of writing) as long as it is running. In v1, the equivalent configuration declares a kong IngressClass resource If youve not done so, follow one of the If everything is setup correctly, making a request to Kong Gateway should return back Services. kind: KongIngress IngressClass metadata: Ingress v1 formally codifies support for wildcard hostnames. - image: kong/go-echo:latest Kong powers reliable digital connections across APIs, hybrid and Once youve finished setting up Kong Ingress Controller, you may find these other Kubernetes tutorials helpful: Scale faster and unleash developer productivity with the most trusted and performant cloud native API platform. parentRefs: "certificateRefs":[{ This gist contains files and a script to build foo and barmicroservices docker images and push them to Docker Hub as: Note: You dont have to build and push these images. resources like this to configure Kong to route API calls to the microservices: defines ingresses for both microservices. labels: With NGINXControllers API Management Module, you can define, publish, secure, monitor, and analyze APIs. Sample output (spread across two lines for legibility): We tested JWT performance with the wrk command for API calls per second, with the addition of the -H parameter to insert the JWT in the Authorization: Bearer HTTP header. As a result, freeing up development teams to focus on the business logic of individual components. kind: GatewayClass }] We then made the same request with each API gateway in front of the API server to measure the latency they introduced. spec: labels: With Kong Gateway and Istio, you can combine the mesh features of Istio inside your cluster with Kong's rich feature set for ingress traffic from outside the cluster. The new pathType field has provided the capability to specify the path of an HTTP request for mapping. - alpha ingress - Using plugins on Services. protocol: HTTP We used curl to send the single HTTP request (details). Kong natively supports gRPC, so its easy to add gRPC support to your API. There are also a number of other Ingress controllers based on NGINX, such as Kong, but fortunately their names are easily distinguished. konghq.com/kic-gateway-controller GatewayClass This deactivation will work even if you later click Accept or submit a form. Learn how to deliver, manage, and protect your applications using NGINX products. and infrastructure. With consistent hashing and client IP fallback, sending repeated requests without any x-lb header now sends them to the - path: /foo 3 comments RagunathInGIT commented on Apr 20, 2021 stale bot added the stale label on May 13, 2021 IngressClass by default. OverflowAI: Where Community & AI Come Together, kubernetes: nginx ingress vs traefik ingress vs ha-proxy ingress vs kong ingress, caylent.com/kubernetes-top-ingress-controllers, Behind the scenes with the folks building OverflowAI (Ep. algorithm: consistent-hashing", '{"metadata":{"annotations":{"konghq.com/override":"sample-customization"}}}', " Exposing a network service in Kubernetes can be done through three different approaches, NodePort, LoadBalancer, and Ingress. create a placeholder Kubernetes Service for them, using an ExternalName Endpoints according to their weight. NGINX Ingress Controller works with both NGINX and NGINX Plus and supports the standard Ingress features - content-based routing and TLS/SSL termination. - containerPort: 1027 x-split: hash_on: header You can learn more about using Ingress in the official Kubernetes documentation. The API Management Module introduces less latency and handles more API calls per second than Kong because it uses the CPU more efficiently. does have support for Routes without Services in some cases (for example, when my-request-id header with a unique ID in both their request headers upstream name: echo Kubernetes Ingress Controllers: How to choose the right one: Part 1 using the konghq.com/override annotation: Add headers to your requests to make your requests match routes again. metadata: This deactivation will work even if you later click Accept or submit a form. - name: POD_NAMESPACE config: NGINXAPI NGINX Plus NGINX, Inc. 31 views39 slides. But both of the products provide enough features at different scales to implement secure routing for services deployed on the Kubernetes cluster. replicas: 1 metadata: metadata: Use Case: Routing API Calls to Backend Services, In this tutorial, Im going to create a real Kubernetes cluster on, because its quick and easy, and I like to keep things as close to real-world scenarios as possible. NGINXController is a controlplane solution that manages the NGINXPlus data plane. protocol: TCP In previous testing we did not observe a major difference in performance from hyperthreading. Both Prefix and Exact paths modify the paths you The chart in Latency Added to a Single Request shows time_total, in milliseconds. We used a single core, so the absolute number of API calls per second is much lower than in the previous test, where we used22 cores (details). selector: When two routes have fieldRef: Connect and share knowledge within a single location that is structured and easy to search. As a native Kubernetes application, Kong is installed and managed precisely as any other Kubernetes resource. multi-cloud environments. " labels: But when you implement these solutions in a hybrid cloud. fieldPath: status.podIP metadata: apiVersion: networking.k8s.io/v1 Kusk Gateway is an OpenAPI-driven ingress controller based on Envoy. Datasheet NGINX Ingress Controller NGINX Ingress Controller, a part of Connectivity Stack for Kubernetes, implements unified Kubernetes-native API gateways, load balancers, and Ingress controllers with built-in reliability,. This allows it to coexist with other ingress controllers and/or other deployments of the Kong Ingress Controller in the same cluster: a Kong Ingress Controller will only process . Deploying this The Kong proxy treats paths as a prefix unless they include labels: Service, and the controller assigns each Endpoint (represented by a Kong fieldPath: spec.nodeName This guide shows how to: Install Istio and Kong . The NGINX Ingress Controller for Kubernetes works with the NGINX webserver (as a proxy).
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