Kong plugin priority example
Kong plugin priority example. X-Consumer-Username: The username of the consumer (if set). X-Kong-Mocking-Example-Id. 1. Go, Rust, Javascript or Python. exit(status, content, headers) So the other plugins cannot been used. From the Rate Limiting plugin page, click the Ordering tab. The following examples provide some typical configurations for enabling the Kong JWT Signer plugin globally. 6. The following examples provide some typical configurations for enabling the Forward Proxy Advanced plugin Changelog. return. When defining a service, the administrator provides a name and the upstream application connection information. The gRPC-Gateway plugin allows you to send JSON requests to a gRPC service. The plugin must be runnable on linux. Check hybrid-mode compatibility requirements. example. It authenticates users against an OpenID Connect Provider using OpenID Connect Discovery and the Basic Client Profile (i. Only observability and logging plugins are supported with gRPC - plugins known to be supported with gRPC have “grpc” and “grpcs” listed under the supported protocols field in their Kong Hub page - for example, check out the File Log plugin’s page. route_id. Konnect is the leading end-to-end API management platform. X-Consumer-Custom-ID: The custom_id of the consumer (if set). Start today! Kong is designed around an extensible plugin architecture and comes with a wide variety of plugins already bundled inside it. Order of execution. You can do that by setting an environmental variable: JWT_KEYCLOAK_PRIORITY="900" Examples All logging plugins use the same table for logging. A phase is part of request handling, e. conf to contain the line router_flavor = expressions and restart Kong Gateway. examplepointing to your proxy Service’s public IP address, which causes TLS clients to add SNI automatically. It directly parallels the existing kong PDK for Lua plugins. In your Dockerfile, use kong-gateway as base image and copy the executable into the container: Run docker build command to build the kong-with-plugin-image: This plugin can be used to implement Kong as a (proxying) OAuth 2. Choose Key Auth from the Plugin 1 dropdown menu. I need to apply the login authentication plug-in to the specified api path. 2022年10月4日 ゴリさん. Kong Plugin Priority. Feb 12, 2023 · Kong Gateway executes plugins from highest priority to lowest. The following examples provide some typical configurations for enabling the ACL plugin globally. Oct 4, 2022 · Introducing Kong Dynamic Plugin Ordering. Depending on the environmental network setup, the trusted_ips Nginx property may also need to be configured to include the load balancer IP address. If you set custom_fields_by_lua in one plugin, all logging plugins that execute after that plugin will also use the same configuration. In Kong Gateway, a service is an abstraction of an existing upstream application. Communication between the plugin and the plugin server is done through a Unix domain socket. Get started with the Request Transformer Advanced plugin. Custom plugins can also be developed by the Kong Community and Hence, Kong is a Lua application designed to load and execute Lua modules (which we more commonly refer to as plugins) and provides an entire development environment for them, including an SDK, database abstractions, migrations, and more. Add plugins to objects in a decK file. The rate limiting plugin now limits the amount of requests against all services and routes in the default workspace before Kong Gateway requests authentication. This repository contains a very simple Kong plugin template to get you up and running quickly for developing your own plugins. We have a couple of custom plugins which need to execute in a particular order. . There is no corresponding open-source plugin available. For example, this can be used when you must replace /api/<function>/old with /new/api/<function>. Please help me to understand this. Kong as an API gateway operates in layer 7 (HTTP) which makes it a universal solution that can operate flexible on many levels. Use config. Address every use case. Only specify it yourself if you are Jan 8, 2019 · But Kong can do a lot more than connecting clients to services via routes. This plugin has a 902 priority, right before the rate-limit that has 901. If for a route there are multiple plugins do they all get executed or if a plugin like OIDC consumes it (and send a response) or redirects it to other path . The following examples provide some typical configurations for enabling the JWT plugin globally. If you need to run Lua code after other plugins in each phase, see Kong’s power comes from its plugin architecture, where plugins can modify the request and response or impose certain policies on the requests as they are proxied to your service. 1", -- version in X. The following examples provide some typical configurations for enabling the Exit Transformer plugin globally. Click Add ordering. The following examples provide some typical configurations for enabling the Route By Header plugin globally. Once this resource is created, the resource needs to be associated with an Ingress, Service, or KongConsumer resource in Kubernetes. Package Kong/go-pdk implements Kong's Plugin Development Kit for Go. Testing. Let’s begin by starting up our environment by running docker-compose build && docker-compose up -d Sep 6, 2023 · Enable The Plugin and Test. In some cases you might want to change the execution priority of the plugin. Jun 2, 2017 · For example you can setup http-log and set the http_endpoint where you will receive all your logs. response. proto file handles the conversion of the JSON request into one that the gRPC service can handle. The original proxy-cache plugin from Kong Hub has a priority of 101. The following examples provide some typical configurations for enabling the Vault Authentication plugin globally. May 2, 2021 · If you question is which plugins will be executed, the Plugins can be configured for various entities, combination of entities, or even globally. Kubernetes users: Version v1beta1 of the Ingress specification does not allow the use of named regex capture groups in paths. This allows you to expose RESTful-style interfaces that talk to a gRPC service. In self-managed Kong Gateway (OSS), the plugin applies to your entire environment. 0. 0' priority = 0 class Plugin(object): pass. For example: By default, Kong uses the header name X-Real-IP. OpenAPI 3. yml, and you should see a service defined that proxies to mockbin. Sep 14, 2021 · But the interesting thing is, I can access 3rd API too with same host header even though it is not configured in Kong. consumer_match_claim: no: azp: The claim name in the token that the plugin will try to match the kong id/custom_id against. Review the support reference to see all of them. This plugin is part of a pair of serverless plugins. Luckily, all of this is made simple through Kong’s Go Plugin Development Kit (PDK). Log plugins enabled on services and routes contain information about the service or route. org: services: - name: example-service. When building a custom image, to copy files into the Kong Gateway image, you must temporarily set the user to root. The following example has two candidate examples: Hao and Sasha. Oct 4, 2023 · The first thing to do is define both constants: version and priority. The following examples provide some typical configurations for enabling the Basic Authentication plugin Mar 13, 2024 · Overview. An arbitrary number of limits/window sizes can be applied per plugin instance. The deprecated config. Please check out those repos README files for usage instructions. This plugin transforms routing on the fly in Kong, changing the upstream server, port, or path to hit. For the example described above and assuming a RegEx path capture group named route_id, then the code would look something like this; local value = uri_captures. In real-world usage, you would create a DNS record for tls9443. But the configuration with which it will run depends on the entities it has been configured for. A class named Plugin defines the class that implements this plugin. List All Plugins konghq Kong Gateway supports multiple authentication plugins for a given service, allowing different clients to use different authentication methods to access a given service or route. Apr 14, 2023 · Yes the plugin is loaded correctly for all other traffic (which is not going OIDC provider) is working fine. In Konnect, the plugin applies to every entity in a given control plane. Reduce time spent on writing redundant code and maintaining libraries with . Dynamic plugin ordering was added in Kong Enterprise 3. The plugin files have the following format (JSON or YAML) and are applied in the order they are given: { "_format_version": "1. 33; previously we were using Kong 0. To do so, we add the following annotation to the current ingress When a client has been authenticated, the plugin appends some headers to the request before proxying it to the upstream service, so that you can identify the consumer in your code: X-Consumer-ID: The ID of the consumer in Kong. TCP and TLS proxying is natively supported in Kong Gateway. consumer_match_claim_custom_id: no: false Jan 3, 2023 · Photo by Xavi Cabrera on Unsplash. One of them is presented in the Workshop section Enforcing RBAC. For Before access, click Add plugin. Click Update. The one that needs to execute first is configured on a specific route while the other is on the service (to cover the rest of the routes). For example, If there is a Route named ‘Route1’ and it’s path is '/api/phone', I want to apply the authentication plug-in to all requests under the path of '/api/phone/sell'. This is one of the possible ways of enforcing RBAC and restarting Kong. 3. You can now access the echo service on port 9443 with SNI tls9443. Apr 22, 2021 · Developing a Kong Gateway Plugin With Go. Its worth mentioning that the higher the priority, the earlier it will be executed. For example, the following command-line: shell rm [-f] [-r] <paths> A boolean value that indicates if the plugin should find a kong consumer with id/custom_id that equals the consumer_match_claim claim in the access token. Here is a link to our plugin development which lists the priority of each plugin within Kong. This plugin has its priority modified to be executed before the rate-limit plungin. kong. The following examples provide some typical configurations for enabling the OpenTelemetry plugin globally. As the number of plugins grows it's hard to define what PRIORITY each plugin should have. The way it works is it identifies consumers through a consumer-key from a query string. May 5, 2021 · Aws Lambda plugin is breaking the chain of plugins as in the handler phase it is doing return kong. Edit the kong. The more specific a plugin is with regards Add an OAuth 2. That’s it. 0 allows you to define multiple examples in a single MIME type. By applying the plugin to a Service, all requests to that Service will be validated before being proxied. Thank you! Oct 24, 2017 · What is Kong OIDC plugin. Z format. The sample plugin I created adds an extra layer for security between consumers and producers. PRIORITY = 1000, -- set the plugin priority, which determines plugin execution order VERSION = "0. The plugin validates the certificate provided against the configured CA list based on the requested route or service: If the certificate is not trusted or has expired, the response is HTTP 401 TLS certificate failed Kong plugin template. Another option is editing the Kong Gateway configuration file and restarting. Once you have defined your custom entities, you can cache them in-memory in your code by using the kong. That means that we need to update the config file to enable our new plugin. with environmental variable: KONG_PLUGINS="bundled,jwt-keycloak" Changing plugin priority. Kong Gateway is a Lua application designed to load and execute Lua or Go modules, which we commonly refer to as plugins. To restrict usage to only some of the authenticated users, also add the ACL plugin (not covered here) and create allowed or denied groups of users. But it's not bulletproof, because I am pretty sure users will add plugins to the array pretty Mar 8, 2022 · Custom plugins for Kong are achievable using a Go-specific plugin server that uses the sidecar model to load and run a plugin written in Go dynamically. It maintains sessions for authenticated users In self-managed Kong Gateway (OSS), the plugin applies to your entire environment. Kong Gateway 3. The instance name shows up in Kong Manager and in Konnect, so it's useful when running the same plugin in multiple contexts, for example, on multiple services. Gateway Version 3. You can consume input in JSON on that endpoint to evaluate and process it further. Kong provides a set of standard Lua plugins that get bundled with Kong Gateway and Konnect. Additionally, you can't configure the plugin priority within Kong without making code changes, which are not recommended. Jan 13, 2020 · 2. Pongo can be used for automated builds, testing and packaging for Kong custom plugins. Securely create, publish, analyze and monetize APIs. The plugin will route a request to a new upstream target if it matches one of the configured rules. The X-Kong-Mocking-Example-Id header tells the plugin which response example is used when the endpoint has multiple examples for a single status code. Mert Simsek. The plugin can be applied to individual services, routes, or globally. (\w+)/ instead of (?<user_id>\w+). For each request coming into Kong, the plugin will try to find a rule where all the headers defined in the condition field have the same value as in the incoming request. Boost developer productivity. May 26, 2021 · Enable the Plugin. functions parameter has been removed from the plugin. So the question is how Kong can access those APIs which are not configured and how can I disallow the requests which are not configured on kong but present in upstream server. A dictionary called Schema that defines expected values and data types of the plugin. All logging plugins use the same table for logging. As an example, the Zipkin plugin has a priority value of 100000. PDK) {. The following examples provide some typical configurations for enabling the Zipkin plugin globally. A Service inside Kubernetes is a way to abstract an application that is running on a set of Pods. Usage. This is an example Dockerfile that explains how to mount your plugin in the Kong Gateway image: Kong aims to support arbitrarily complex command-line structures with as little developer effort as possible. We use path prefixes for routing, so each service is “namespaced” by a path prefix (e. A Kong Gateway Python plugin implementation has following attributes: Schema = ( { "message": { "type": "string" } }, ) version = '0. Proxy TCP/TLS traffic. 0 and the full technical reference is available in the Kong Plugin Priority. Continuous Integration: kong-oidc is a plugin for Kong implementing the OpenID Connect Relying Party (RP) functionality. Note: This plugin is labelled advanced because it is an Enterprise-only plugin. See the to learn about region-specific URLs and personal access tokens. Kong provides PDKs for two languages: Lua and Go. started_at: The unix timestamp of when the request has started to be processed. consumer: The authenticated consumer (if an authentication plugin has been enabled). Only the Kong PDK, OpenResty ngx APIs, and Lua standard libraries are allowed. Jun 2, 2023 · on Jun 2, 2023. This tutorial shows you how to create a custom Kong Gateway plugin with Go programming language. Having the order in the configuration is an option: plugins will be executed accordingly to their order in the available_plugins property in the configuration. Plugins consist of Lua modules interacting with the request/response objects or streams via the Plugin The only way to have the plugin use a different priority is to use a custom plugin which has the same functionality but a different priority. The plugin supports several types of credentials and grants, and has been tested with several OpenID Connect providers. Plugins consist of modules interacting with the request/response objects or streams via a Plugin Development Kit (or PDK) to implement arbitrary logic. The substitutions can be configured via flexible templates. Add your plugin name to the plugins attribute in the kong. For more information, see Multiple Authentication. This way a request that is answered by the cache (a cache Hit), does not count in the rate-limit. . Sep 24, 2018 · My company recently upgraded to Kong Enterprise 0. This is an example compile command: Second, build a docker image. As the name says, we will configure the current version of the plugin and its execution priority within the other plugins. This can hold any type of Lua value. Make the following request: Replace SERVICE_NAME|ID with the id or name of the service that this plugin configuration will target. , /my-service), and each route for that service uses the prefix (e. This plugin performs the response transformation in the following order: remove → rename → replace → add → append. The plugins are added to all objects that match the selector expressions. Viktor Gamov and Rick Spurgeon co-authored this blog post. Ensure operational resilience. Apr 15, 2022 · Is there any up to date documentation or examples for creating, installing, and running a go plugin. The priorities for the plugins that ship with kong is documented here (make sure you check the equivalent page for your version of Kong), and the priority of the request-termination plugin is 2 which means it will execute before any other plugin with a lower priority. In a previous article, we described how easy it was to configure Kong as a Gateway into a Kubernetes cluster of micro-services. Jan 27, 2022 · 25. config. In this talk from Kong Summit, you’ll learn about Kong’s various routing capabilities, including load balancing via upstreams and targets, different hashing modes, health checks and circuit breakers (and how to combine them), controlling routing via plugins and more. Services and Routes. Note: We recommend letting the API gateway autogenerate the key. Introduced sandboxing, which is enabled by default. Both only run in the access phase, and following the documentation here, the plugin on the route has a higher Supports validating the schema of the body and the parameters of the request using either Kong’s own schema validator (body only) or a JSON Schema Draft 4 compliant validator. Create a Key. 12, so as part of the migration we switched to services and routes. Kong Gateway 2. 15 AS plugin-builder WORKDIR /builder COPY . The service object in Kong holds the information of the protocol to use to talk to the upstream service and various other protocol specific settings. Note: Once you enable expressions, the match fields that traditionally exist on the route object (such as paths and methods ) will no longer be configurable and you must specify Expressions in the expression field. Kong plugins written in Go implement event handlers as methods on the Plugin's structure, with the given signature: func (conf *MyConfig) Access (kong *pdk. 0 resource server (RS) and/or as an OpenID Connect relying party (RP) between the client and the upstream service. A plugin defines functions to run in one or more phases. The set of plugins you have access to depends on your license tier. This plugin’s implementation is similar to gRPC-gateway. Examples of different transforms. This template was designed to work with the kong-pongo and kong-vagrant development environments. There are 2 levels of cache: L1: Lua memory cache - local to an Nginx worker process. conf file. g. deck file add-plugins. Enabling plugin. Go ahead and clone that repo into a new directory called kong-api-version-plugin: In the kong-api-version-plugin project, there are two directories to focus on: kong/plugins/myplugin: this is where the source code for the The Pre-function plugin (otherwise known as Kong Functions, Pre-Plugin) lets you dynamically run Lua code from Kong, before other plugins in each phase. Mar 23, 2021 · I have some problems when using Kong to configure routing . Onboarding services was a breeze Mar 18, 2021 · The kong-plugin repository provides a simple template to get started writing a custom Lua plugin for Kong API Gateway. Read the Plugin Reference and the Plugin Precedence sections for more information. A specially configured . If you use the ingress controller, you should use unnamed groups, e. The pre-function plugin changed priority from +inf to 1000000. , rate limit per minute and per hour, and per any arbitrary window size). This feature allows you to map the the captured path to a specific Upstream URI via Lua code. The environment we're running uses Kong's declarative config capability. Test the configuration. Jan 31, 2022 · The plugin priority determines which order a plugin runs in during a phase. Kong provides an entire development environment for developing plugins, including Lua and Go SDKs, database abstractions, migrations, and more. Open up config/kong. In contrast to other plugins that use queues, it shares one queue between all plugin instances that use the same log server parameter. if not value then. access instead. Your journey to modern API management starts now. Some (most?) of the existing examples seem to be out of date and the current docs are not very clear. Y. The first example I followed makes use of GitHub - Kong/go-pluginserver: Kong Go Plugin Server. Kong Gateway can also handle more complex URL rewriting cases by using regular expression capture groups in the route path and the Request Transformer Advanced plugin. Dec 19, 2018 · Could you elaborate on what exactly you’re trying to solve and what is the issue at hand? Cache custom entities. The equivalence of the log server is determined by the parameters http_endpoint, method, content_type, timeout, and keepalive. Set enabled kong enabled plugins, i. Documentation for Kong, the Cloud Connectivity Company for APIs and Microservices. do they remaining plugins (low priority) in the chain also get executed ? because if I increase the priority of my plugin to The following examples provide some typical configurations for enabling the proxy-cache plugin on a service. All plugin instances that have the same values for these parameters share one queue. Services can store collections of objects like plugin configurations, and policies, and they can be associated with routes. Jun 15, 2022 · Kong Plugins. Increase developer productivity, security, and performance at scale with the unified platform for API management, service mesh, and ingress controller. This maps to two objects in Kong: Service and Upstream. Examples Overview. With the super-admin user created, the Kong admin can now restart Kong Gateway with RBAC enforced: KONG_ENFORCE_RBAC=on kong restart. Because of limitations with Kong’s plugin configuration interface, each nth limit will apply to each nth window size. If a different header name is required, it needs to be defined using the real_ip_header Nginx property. cache. , /my-service/healthz). the Authorization Code flow). For example, if you configure fields via custom_fields_by_lua in File Log, those same fields will appear in Kafka Log, since File Log executes first. I am sending all my logs to elastic search and using kibana to visualize the log content. Docker # STAGE-1 # Build the kong plugin FROM golang:1. value-add plugins and an intuitive web UI. These plugins can be used to modify the request or impose restrictions on the traffic. x (latest) By Kong Inc. To achieve that, command-lines are expressed as Go types, with the structure and tags directing how the command line is mapped onto the struct. Configuration reference; Basic configuration example; Learn how to The following examples provide some typical configurations for enabling the ip-restriction plugin on a service. x or later ships with a new router. Next comes the simple part, enabling the new plugin to start sending traffic to our syslog server. Or build your own in Lua, . 0 All plugins including Javascript plugins have a certain execution order that is determined by the priority set in the plugin. To authenticate a consumer with mTLS, it must provide a valid certificate and complete a mutual TLS handshake with Kong Gateway. An optional custom name to identify an instance of the plugin, for example jwt_my-service. e. 19-alpine3. access for routing the request and body_filter for reading and forwarding the request body. Each rule consists of a condition object and an upstream_name object. This allows you to create multiple rate limiting windows (e. If you wanna understand more about it, check this post. If no selectors are given, the plugins are added to the top-level plugins array. Extend functionality with hundreds of plugins created by Kong and our community. Custom plugins can also be developed by the Kong Community and Jul 27, 2022 · First, compile the plugin into an executable. 0 authentication layer with one of the following grant flows: Once applied, any user with a valid credential can access the service. cache module provided by the Plugin Development Kit: local cache = kong. With the Kong Ingress Controller, plugins can be configured by creating KongPlugin Custom Resources and then associating them with an Ingress, Service, KongConsumer If you need to overwrite these header fields, see the Post-function plugin. There is a priority-updater GitHub repository which contains a utility to make this process easier; Note: Official Kong Gateway images are configured to run as the nobody user. yml file for performing CI using Kong: Run pongo up and pongo build to bring up the pongo dependencies; Run pongo lint to check for static errors; Run pongo run to run automated tests Sep 7, 2023 · For example, if you have created 2 custom plugins, 1 that handles authentication and 1 that handles routing of authenticated traffic, you would want to give the second plugin a lower priority In self-managed Kong Gateway (OSS), the plugin applies to your entire environment. However, I see that it is deprecated the external go-pluginserver is deprecated, and no longer In self-managed Kong Gateway (OSS), the plugin applies to your entire environment. Kong Gateway provides dynamic plugin ordering allowing administrators to control plugin execution order. The Kong plugin template consists of a reference travis. A plugin will always be run once and only once per request. wo ub yq co cp ds pg pb mw xw