Envoyfilter workloadselector. apiVersion: networking.

Envoyfilter workloadselector I don’t see the response header added. The matching criteria includes the metadata apiVersion: networking. workloadSelector against Pod labels, instead of Service labels * Don't dump config in EnvoyFilter LDSTest * Added missing test data * Implemented review comments. 2 Kubernetes Why EnVoyFilter does not generate Envoy configurations under the specified namespace. Related questions. I saw API for envoy filters has changed and I should be able to add this property for route (ExtAuthzPerRoute) but probably I did something wrong and it doesn’t work as I expect. io/v1alpha3 kind: EnvoyFilter metadata: name: httpbin-lua namespace: default spec: workloadSelector: labels: app: httpbin configPatches: - Hi, i need some help to enable envoy filter. It already uses the workloadSelector property to choose one of these using the app label on the pod, but I can't see how to extend this to select multiple different pods with different app labels. Please help me. The envoyFilter is like: apiVersion: networking. I do it like this: apiVersion: networking. configPatches. The example below declares a global default EnvoyFilter resource in the root namespace called istio-config , that adds a custom protocol filter on all sidecars in the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The envoyFilter is running in the istio-system namespace and the workloadSelector is configured like this: workloadSelector: labels: istio: ingressgateway But my idea is to configure it in SIDECAR_OUTBOUND. This is currently an in-development feature. 0) 1. It seems that : Injection occurs. I wanted to add some custom headers to all the outbound responses originating from my service. io/v1alpha3 kind: EnvoyFilter metadata: name: 503-redirect-lua-filter namespace: idp spec: # workloadSelector: # labels: # ray-node-name: ray-idp-raycluster-a-executor-head Hi, I struggle with converting istio filter from istio version 1. one a request comes into my mesh , I want to inject an HTTP header which tells the final POD which istio-ingressingress K8s service was selected for processing. . However, with yaml you can use anchors(&) and references(*) to reuse blocks of code which makes the duplication easier. Unique and Exclusion Constraints in Postgres # matches `workloadSelector` in EnvoyFilter. 2 to the new api for envoy filters from istio 1. Access logs are configured as part of the HTTP connection manager config, TCP Proxy, UDP Proxy or Thrift Proxy. Verify local rate limit. io/v1alpha3 kind: EnvoyFilter metadata: name: local-rate-limit namespace: WorkLoadSelector: This selector use a label to match the envoy proxies For that reason, I am trying to add an EnvoyFilter that adds the jwt cookie value to the Authorization header. In that lua script, we look for our problem scenario (in this case, Istio: sidecar EnvoyFilter workloadSelector not filtering. The ability to select both Hi, I try to reach via istio version 1. Hi guys im having a problem with setting up and external auth system on my local node minikube and istio . 3. 3 a situation when my service let’s say XYZ will be ignored by external authorization service configured by envoy filter too (ExtAuthz). io/v1alpha3 kind: EnvoyFilter metadata: name: my-test-filter namespace: default spec: workloadSelector: labels: app: hello-world # WORKS because To apply the filter to a single pod you have to add workloadSelector for your app. io/v1alpha3 kind: EnvoyFilter metadata: name: disable-istio-requests-total namespace: sample spec: workloadSelector: labels: app EnvoyFilter capabilities are very powerful and should be applied with care. authz doesn’t seem to do anything. The example below declares a global default EnvoyFilter resource in the root namespace called istio-config , that adds a custom protocol filter on all sidecars in the The problem is your todo #TODO: Understand name compose logic. For more information on X-Forwarded-For, see the IETF’s RFC. http. 9. 下图是 apiVersion: networking. i use envoy. But after sometime, we see all the listeners listener_filters_timeout are modified, and this happens to all sidecars as well. One way you can do is to inject an EnvoyFilter after Istio authentication filter, and add your logic of settings headers there. io/v1alpha3 metadata: <omitted> spec: configPatches: - applyTo: HTTP_FILTER match: context: ANY listener: filterChain: Istio: sidecar EnvoyFilter workloadSelector not filtering. Hello, I’m a newbie Istio user and I’m trying to update my current Lua and ext_authz EnvoyFilter specs to use the structure suggested in docs, replacing the filters section with the configPatches section, that I’m using to authenticate each request incoming my cluster. We upgraded Istio to 1. Protocols can be specified manually in the Service definition. Version $ istioctl version client version: 1. yaml”: apiVersion: networking. If omitted, the EnvoyFilter patches will be applied to all workloads in the same I have created an EnvoyFilter to apply TCP idle timeout to outbound requests. These EnvoyFilters no longer work: apiVersion: networking. io/v1alpha3 kind: EnvoyFilter metadata: name: ratelimit-test-workload namespace: test spec: workloadSelector: labels: app: test-workload configPatches: - applyTo: HTTP_ROUTE match: Istio: sidecar EnvoyFilter workloadSelector not filtering. EnvoyFilter 提供了一种机制来定制 Istio Pilot 生成的 Envoy 配置。使用 EnvoyFilter 来修改某些字段的值，添加特定的过滤器，甚至添加全新的 listener、cluster 等。 这个功能必须谨慎使用，因为不正确的配置可能破坏整个网格的稳定性。 workloadSelector：用于选择应用此 use postman to send different request with different User header; expected: once requested made for first time, the subsequent request with same header should be responded with an cache content. io/v1alpha3 kind: workloadSelector: WorkloadSelector: Criteria used to select the specific set of pods/VMs on which this patch configuration should be applied. Everything applied correctly but traffic isn’t redirected to auth-service (with filter config from version 1. 1 and I couldn’t make it work, could you help me to understand what I’m Hi Any one can give example how I can implement this envoy filter configurations in Istio sidecar ? What I am trying to do when a pod in my cluster send a request to another pod with a client certi I would also like to point out that the EnvoyFilter documentation mention ClusterMatch but it actually doesn't exists in the EnvoyFilter template in v1alpha3. As compared to the spec. 2). Is there a way to prevent envoy from adding specific headers? 8. It is recommended to use that method when it is available, until then EnvoyFilter will do. This example recognizes the header on the ingress gateway and simple sends a 200 response without sending it to the workloads: custom-ms-header namespace: istio-system spec: workloadSelector: labels: istio: ingressgateway configPatches: - applyTo: NETWORK_FILTER match: context: GATEWAY listener Here is how my configuration looks like (referenced from github’s common examples for XFCC) : apiVersion: networking. maxRequestBytes: Maximum size of request that is sent over external authorization API: 8192: envoyFilter. 4 this works, but the API was changed and filters has been deprecated:. We'll show how to do that later in the article when configuring the rate limiter on an egress gateway. To confirm this, send internal productpage requests, from the ratings pod, apiVersion: networking. The example below declares a global default EnvoyFilter resource in the root namespace called istio-config , that adds a custom protocol filter on all sidecars in the kubectl apply -f - <<EOF apiVersion: networking. jwt_authn. v3. workloadSelector Istio: sidecar EnvoyFilter workloadSelector not filtering. In Hello, I’m trying to apply mandatory authentication through Okta before accessing the apps running on the cluster (GKE on GCP), by applying the Envoy OAuth2 filter at the Istio Ingress Gateway level. 2 (Istio 1. The example below declares a global default EnvoyFilter resource in the root namespace called istio-config , that adds a custom protocol filter on all sidecars in the Bug Description Although istio ConfigMap was updated with data: mesh: |- defaultConfig: discoveryAddress: istiod. 3. When EnvoyFilter provides a mechanism to customize the Envoy configuration generated by Istio Pilot. Anyone can help me, how we can write an Istio EnvoyFilter with mode:SIMPLE using that can add to headers the chain in x-forwarded-client-cert ? xffc-details namespace: custom-ingress-namespace spec: workloadSelector: labels: istio: ingressgateway configPatches: - applyTo: NETWORK_FILTER match: context: GATEWAY listener: filterChain: filter Bug Description This filter is used to work with the 1. Format Rules . io/v1alpha3 kind: EnvoyFilter metadata: name: size-limit namespace: istio-system spec: workloadSelector: labels: istio: ingressgateway config Istio provides the ability to manage settings like X-Forwarded-For (XFF) and X-Forwarded-Client-Cert (XFCC), which are dependent on how the gateway workloads are deployed. io/v1alpha3 kind: EnvoyFilter metadata: name: my-auth-token namespace: istio-system spec: workloadSelector: labels Can you help me please to specify YAML Istio EnvoyFilter to have the request buffer, analog of Nginx request buffer. 6 I had an Istio EnvoyFilter, but that doesn't seem to work anymore in Istio 1. Multiple Istio Request Authentication Policies. io/v1 kind: DestinationRule metadata: name: configure-client I’m trying to make EnvoyFilters work in samples/httpbin. istio-system. I found on internet the filter to use to be able to add rate limit and it works, but I need to remove this filter for a list of whitelisted IP. 2. I want to issue a redirect for all traffic arriving with “x-forwarded-proto” == “http”. Disable access logging globally. 2 Server First Protocols. this will add a cluster name “outbound|80||auth. NOTE 3: To apply an EnvoyFilter resource to all workloads (sidecars and gateways) in the system, define the resource in the config root namespace, without a workloadSelector. The patch inserts the envoy. Envoy filter kind: EnvoyFilter apiVersion: networking. Enable http header logging for envoy in istio. The same code works well with outbound HTTP requests but it seems for HTTPS requests the lua script is not executed at all. This filter makes use of the envoy ext_authz filter. 1) authenticate a service (httpbin here) with an external IDP (Dex) via an OAuth proxy. 6. On Istio 1. Use EnvoyFilter to modify values for certain fields, add specific filters, or even Saved searches Use saved searches to filter your results more quickly Bug description For a specific use case we need to update the Envoy configuration of the Egress gateway (Allow TLS renegotiation for a given out going domain with TLS 1. proxy_protocol - name: envoy. You need to set this name value to the name of the route of the VirtualService. I found L7LB + EnvoyFilter seems a good solution and I succeeded to retrieve remote IP in istio 1. I am not able to configure descriptors with entries for remote_address with empty value as Global Rate Limit can do. apiVersion: EnvoyFilter metadata: name: reviews-lua namespace: bookinfo spec: workloadSelector: labels: app: reviews EnvoyFilter is used to modify the request's host, and re-route request to other host(or so called cluster). My intention is to apply this filter exclusively to HTTP requests with a particular prefix path, such as "/api/serviceA/v1/*". Maybe I am setting it right? Apply an EnvoyFilter to the ingressgateway to enable global rate limiting using Envoy’s global rate limit filter. Some protocols are “Server First” protocols, which means the server will send the first bytes. 4. Here is my envoyFilter apiVersion: networking. io/v1alpha3 kind: EnvoyFilter metadata: name: addheader-into-ingressgateway namespace: istio-system labels: asm-system: 'true' provider: asm spec: workloadSelector: # You can use the workloadSelector field to select workloads in a specific namespace for the Envoy filter. 9: While a request coming with an expired but valid JWT, there is a special service would automatically refresh jwt. 25. I've written an Istio EnvoyFilter. The example below declares a global default EnvoyFilter resource in the root namespace called istio-config , that adds a custom protocol filter on all sidecars in the Must be configured Is there any way I can debug it to see what’s happening? It only happens sometimes. Use EnvoyFilter to modify values for certain fields, add specific filters, or even add entirely new Testing EnvoyFilters on VM and Pods workloads. NOTE 3: To apply an EnvoyFilter resource to all workloads (sidecars and gateways) in the system, define the resource in the config root namespace, without a workloadSelector. Is there a way to prevent envoy from adding specific headers? 0. lua envoyFilter ignored in istio-sidecar. For the gateway (in the same namespace as the gateways):--- apiVersion: networking. It should be changed to spec. it works great. I was able to get it working with the exact config (except deployed in the istio-system namespace with the default workloadSelector of the ingress gateway) and the INSERT_BEFORE. 3 to 1. But, it's not passing the headers I mentioned in the envoyfilter. Bug description Testing EnvoyFilters on VM and Pods workloads. false: envoyFilter. It just times out even though the service on the uri is up and accessible. I need to rewrite the “set-cookie” headers returned by an application since some clients can only handle the uppercase style “Set-Cookie”. 0) 1 Why is My TCP Istio EnvoyFilter Not Working? 1 We have encountered the same problem and we didn’t succeed to update envoy configuration for tls renegotiation with a patch on the filter_chain. ext_authz EnvoyFilter along with oauth2_proxy on our Istio configurations for quite a while. How to redirect to login page in EnvoyFilter using lua code? 1. name : bypass-ext-authz namespace : istio-system spec : workloadSelector : labels : istio : ingressgateway configPatches : - applyTo : HTTP_ROUTE match : routeConfiguration : vhost : route : # from virtual service http Hello, I am trying to apply the local rate limit filter on my workload. 2 and 1. There doesn’t seem to be a way to assign additional labels when creating the ingress # Setup an ingress rate limiter with envoy and istio With the removal of the mixer component in ist NOTE: This was tested on OCP 4. The rate_limit_service field specifies the external rate limit service, outbound|8081||ratelimit. There is not much difference in the configuration we used above to set rate limiting at Istio Ingress Gateway. Not sure where to start to debug this. The example below declares a global default EnvoyFilter resource in the root namespace called istio-config , that adds a custom protocol filter on all sidecars in the Hi, I need to retrieve remote IP in istio 1. 1 lua envoyFilter ignored in istio-sidecar. Here’s my configuration “envoy_filter. The issue is that the adapter adds an HTTP Authorization header on successful authentication, but Grafana is also looking for this same header and so rejects the request as a failed HTTP API request with {"message":"Invalid API key"}. 2 How to redirect to login page in EnvoyFilter using lua code? 1 lua envoyFilter ignored in istio-sidecar. I am checking the logs for the gateway and it does not look like the filter is applied. 9 on EKS cluster. apiVersion: networking. io/v1alpha3 kind: Istio Telemetry API will provide a first class way to configure access logs and traces. 12. io/v1alpha3 kind: EnvoyFilter metadata: name: xff-config-envoyfilter namespace: istio-system spec: workloadSelector: label: app: istio-ingressgateway configPatches: - Istio: sidecar EnvoyFilter workloadSelector not filtering. I have tried using an As rateLimit uses key-value pairs to apply rate limiting rules. If omitted, the EnvoyFilter patches will be applied to all workloads in the same namespace. So I was trying to use lua envoyfilter to achieve that. ( I got 3) actually not the final POD: I want to create a virtual service that will do Rate limiting at Istio ingress gateway. Istio EnvoyFilter Lua HttpCall doesn't work with HTTPS? 0. The EnvoyFilter configured is similiar to this: apiVersion: networking. I also have my (custom) Istio gateway (v1. Access log formats contain command operators that extract the relevant data and insert it. istio. 2; Kubernetes version: v1. In the response of a HTTP request to that application, you The solution involves using Istio's EnvoyFilter to run Lua scripts for outgoing requests and the userVolume annotation to inject the library into the sidecar. I am trying to figure out out to contruct an EnvoyFilter (using v3 API) to be used in conjunction with Istio and OAuth2-Proxy (as external Authz service). 2 it works). In that lua script, we look for our problem scenario (in this case, outbound requests that are missing tracing headers, or outbound requests that are not sampled - which Istio Envoy Filters provides a way customise Envoy’s behaviour. 1. networking. Hi, I tried to apply the following EnvoyFilter configuration: apiVersion: networking. 0 Do I need a istio sidecar proxy at client end for routing rules to be applied? 2 Istio how to use EnvoyFilter to change `max_request_bytes` of envoy sidecar? 3 Istio: sidecar EnvoyFilter workloadSelector not filtering To do that, we'd have to apply the EnvoyFilter to a particular virtual hostname. The filter seem to be intercepting on port 80 but the patch to ext. So like this: apiVersion: networking. 0) 3. my attempts so far, I’ve set up a rest api which gives required json as a responce (Client TLS authentication — envoy 1. listener. v3 API reference. envoy filter to intercept upstream response. However, I don’t see my proxy getting properly configured. Istioctl version: 1. apiVersion: Istio: sidecar EnvoyFilter workloadSelector not filtering. October 15, 2024. 8. Closed lorenzoqricambi opened hcm-tweaks namespace: istio-system spec: workloadSelector: labels: app: ingress-gateway configPatches: - applyTo: NETWORK_FILTER # http connection manager is a filter in Envoy match: context: GATEWAY listener WorkloadSelector. Load 7 more related questions NOTE 3: To apply an EnvoyFilter resource to all workloads (sidecars and gateways) in the system, define the resource in the config root namespace, without a workloadSelector. io/v1alpha3 kind: EnvoyFilter metadata: name: ingress-ext-proc namespace: istio-system spec: workloadSelector: labels I am writing an EnvoyFilter which runs a lua script to patch a custom HTTP header to all outbound traffic. listener_filters: - name: envoy. 14 Istio version: 1. WorkloadSelector specifies the criteria used to determine if the Gateway, Sidecar, EnvoyFilter, ServiceEntry, or DestinationRule configuration can be applied to a proxy. Use Hi all, I have a service which is currently being authenticated via external service. EnvoyFilter metadata: name: patch-created-by-header namespace: istio-system spec: workloadSelector: labels Bug Description I want to disable istio_request_total metric for a specific service in envoyfilter, but it always report message like these: warn ads ADS:LDS: ACK ERROR client-grpc-6fbd669b7b-7jbn8 Istio: sidecar EnvoyFilter workloadSelector not filtering. Assuming this is available in Istio 1. I tried this using bookinfo sample application. 0 Istio/Envoy edge proxy EnvoyFilter (1. You might choose to deploy Istio ingress gateways in various network workloadSelector: WorkloadSelector: Criteria used to select the specific set of pods/VMs on which this patch configuration should be applied. io/v1alpha3 kind: EnvoyFilter metadata: name: xfcc-forward namespace: I am trying to deploy Grafana with authentication controlled through app-identity-and-access-adapter. The workloadSelector needs to select your sidecar. apiVersion: Can not apply EnvoyFilter to specific domain. I would like to disable the EnvoyFilter provides a mechanism to customize the Envoy configuration generated by Istio Pilot. NOTE 4: *_To apply an EnvoyFilter resource to all workloads (sidecars and gateways) in the system, define the resource in the config root namespace, without a workloadSelector. I need trouble when executing Lua script. If omitted, the EnvoyFilter patches will be applied to all workloads in the same So I have a custom istio gateway I generated with my iop. Below is my configuration: kind: EnvoyFilter metadata: name: filter-local-ratelimit-svc spec: workloadSelector: labels: app: prod We have been using the envoy. However, after applying the EnvoyFilter, nothing change, and I can still access the application without being redirected to Okta first. 7 EnvoyFilter with use_remote_address and xff_num_trusted_hops set is not being applied #17351. namespace: default. Also you need to use a typed_per_filter_config with a type LuaPerRoute. i have already set up two deployments on is helloworld and the other one is auther . Maybe I don’t need to Istio: sidecar EnvoyFilter workloadSelector not filtering. context=GATEWAY configuration in the following doc envoy filter to intercept upstream response. io/v1alpha3 kind: EnvoyFilter metadata: name: buffer-limit namespace: istio-system spec: configPatches: - applyTo: CLUSTER patch: operation: MERGE value: per_connection_buffer_limit_bytes: 5000000 - applyTo: LISTENER patch: operation: I am running Istio 1. An EnvoyFilter patch is used to update the UpstreamTlsContext co I am the author of the link answer. I'm trying to use Envoy Filter to do this, so I'd created an envoyfilter with configuration below: apiVersion: networking. The example below declares a global default Try creating 2 EnvoyFilters, each in each namespace were your workloads exist and delete the original EnvoyFilter. 1 Server Version: v1. 16. io/v1alpha3 kind: EnvoyFilter metadata: name: fix-setcookie-case namespace: istio-system spec: workloadSelector: labels: istio: ingressgateway configPatches: Istio: sidecar EnvoyFilter workloadSelector not filtering. Criteria used to select the specific set of pods/VMs on which this patch configuration should be EnvoyFilter workloadSelector lables does not scope the filter to its provided namespace, instead its applied to every namespace with the matching labels. If omitted, the set of patches in this configuration will be applied to all workload instances in the same namespace. sidecarMode: Aperture Agent installed using the Sidecar mode: false: envoyFilter. Hello Istio Community, I am seeking assistance in configuring Istio to apply a 'max_request_bytes' limit to a specific domain. - ap I need an envoyfilter that send envoy access logs into kafka. Istio filters are completely ignored on Istio 1. 0. FileAccessLog to send logs into stdout but i didn't find a way that send that access log into kafka i try to find a typed_config to send that automatically. How do I debug an EnvoyFilter?; Where can I see which filters are applied on each request?; apiVersion: networking. context=SIDECARD_INBOUND and the workload selector needs to be changed to the labels that match target pods under any WorkloadSelector. Istio/Envoy edge proxy EnvoyFilter (1. In lua script, if replaced api is the same port with outbound listener's port, replacing host in lua filter works. Disable access logging at sidecars and only enable it at gateways. Unable to make lua-based EnvoyFilter to work. Although the global rate limit at the ingress gateway limits requests to the productpage service at 1 req/min, the local rate limit for productpage instances allows 10 req/min. In Kubernetes 1. 4 Add header with EnvoyFilter does not work. So I added an ip tagging filter and tried to use the value of the header set by the first filter in the rate limit one, but it does not seems to work. However, I don't see my proxy getting properly configured. My code is as follows： apiVersion: networking. I recently came across a scenario where ingress traffic for the service mesh was not first routed to an ingress gateway. ratelimit global envoy filter filter into the HTTP_FILTER chain. 9 through EnvoyFilter, could you please add a snippet to the local rate limit documentation 如果多个 EnvoyFilter 的配置相互冲突，则其行为将无法确定。 要将 EnvoyFilter 资源应用于系统中的所有工作负载（sidecar 和 gateway）上，请在 config 根命名空间中定义该资源，不要使用 workloadSelector。 1、配置项. If your VirtualService looks something like that:. 3 I’m trying to set up an EnvoyFilter to allow a downstream, external nginx instance to connect to my istio gateway via PROXY protocol in order to preserve client IPs. I tried. extensions. I do not have EnvoyFilter provides a mechanism to customize the Envoy configuration generated by Istio Pilot. As my filter is present in my cluster's resources and istiod pushes to my sidecars whenever I update the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company This EnvoyFilter does not have a priority and has a relative patch operation (NSTERT_BEFORE/AFTER, REPLACE, MERGE, DELETE) and proxyVersion set which can cause the EnvoyFilter not to be applied during an upgrade. 12) Just a braindump. The Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am running Istio 1. Why is My TCP Istio EnvoyFilter Not Working? 0. file. Istio/Envoy role is to assign the correct keys and corresponding values to the traffic being sent to rateLimit service. Added a service entry as below for adding cluster for “auth_api_cluster”. Thank you. In fact, it is super easy with RequestAuthentication and AuthorizationPolicy objects, rather then envoyFilter Also, I am not sure if the value under patch can be envoy. svc. 0-dev-6d9a6e documentation). The initial filter looks like this: NOTE 3: To apply an EnvoyFilter resource to all workloads (sidecars and gateways) in the system, define the resource in the config root namespace, without a workloadSelector. Essentially I need a setup that will call an ExtAuthz in order to authenticate, and also retrieve the header x-auth-request-email and rename it to kubeflow-userid. This may have an impact on PERMISSIVE mTLS and Automatic protocol selection. 1 $ kubectl version --short Client Version: v1. 11 version: apiVersion: networking. filters. svc:15012 proxyMetadata: BOOTSTRAP_XDS_AGENT: "true" and below envoyfilter created in istio-system namespace: a I am trying to make an envoyFilter work in istio-sidecar. The envoy filter config that I’m trying to use is kind: EnvoyFilter metadata: name: lua-filter namespace: istio-system spec: When we apply a envoyfilter to replace the listener_filters_timeout of a specific listener virtualInbound. max-request-bytes-gateway namespace: istio-system spec: workloadSelector: labels: istio: ingress-private-gateway configPatches: - applyTo: HTTP_FILTER match: context I am endeavoring to implement rate limiting using the components provided by Istio, specifically the EnvoyFilter. io/v1alpha3 kind: EnvoyFilter metadata: name: tcp-idle-timeout spec: workloadSelector: labels: app: mecha-dev filters: - listenerMatch: listenerType: SIDECAR_OUTBOUND listenerProtocol: TCP filterName: envoy. what i want is to authorize all of the requests to /hello route by sending the request to /auther route which will connect to auther service and if specific headers are set (like jwt Hello, Istio Version : 1. Ideally the filter redirects all incoming requests to oauth2_proxy which then handle authentication and forwards it to the required I'm trying to configure a custom authentication behavior in istio1. I need to apply this to multiple different workloads in my cluster. And for /api/v1/products/* you will need to hit twice, with any number in between 1-99, until you get the 429 From my understanding, the response from istio is correct: From RFC Standards: The 401 (Unauthorized) status code indicates that the request has not been applied because it lacks valid authentication credentials for the target resourceThe user agent MAY repeat the request with a new or replaced Authorization header field. I am having quite a bit of difficulty understanding how I've written an Istio EnvoyFilter. 5-gke. 2. * Added test for generation of inbound You can do that with an EnvoyFilter. Istio: sidecar EnvoyFilter workloadSelector not filtering. io/v1alpha3 kind: EnvoyFilter metadata: name: test-lua namespace: default spec: workloadSelector: labels: istio: Based on logs, I see that the filter is being applied and the HTTP call is happening to the external authorization service I created. This can be configured in two ways: By the name of the port: name: <protocol>[-<suffix>]. 4. Use EnvoyFilter to modify values for certain fields, add specific filters, or even add entirely new WorkloadSelector: Criteria used to select the specific set of pods/VMs on which this patch configuration should be applied. Using EnvoyFilter to debug HTTP requests, and locate those missing important tracing headers. 7 I am trying to update max_request_headers_kb to 80 using below envoy filter: Even after applying one of below EnvoyFilter I am getting “431Request Header Fields Too Large” on header size beyond 30 kb. To achieve this, I have deployed an EnvoyFilter within the GATEWAY context and for the gateway workload. name: test-replace-3 namespace: bookinfo spec: workloadSelector: labels: app: reviews4 configPatches: # The first patch adds You will see the first request go through but every following request within a minute will get a 429 response. If omitted, the EnvoyFilter patches will be applied to all workloads in the same NOTE 3: To apply an EnvoyFilter resource to all workloads (sidecars and gateways) in the system, define the resource in the config root namespace, without a workloadSelector. Istio EnvoyFilter that checks header for a valid token. name: my-test-filter. Instead a regular route in OpenShift was used which directly routed the traffic to the pod. The initial filter looks like this: For /productpage, you will see the first request go through but every following request within a minute will get a 429 response. 6 # allows you to turn on and off the EnvoyFilter for some workload. The idea is to use Istio (v1. 1. io/v1alpha3 kind: EnvoyFilter metadata: name: my-custom-filter namespace: istio-system # Namespace where istio gateway pods are actually running spec: workloadSelector: labels: app: istio-ingressgateway configPatches: # Patch that creates "global" lua filter that does nothing useful - applyTo: I have the filter below. This was however on version 1. 11 with OpenShift Service Mesh 2. io/v1alpha3 kind: EnvoyFilter metadata: name: reviews-lua namespace: bookinfo spec: workloadSelector: labels: app: reviews configPatches: # The first patch adds the lua filter to the listener/http connection manager - applyTo: HTTP_FILTER match: context: SIDECAR_INBOUND listener: portNumber: 8080 filterChain: filter That didn't worked and when I check the rate limiting pod logs, nothing happens. 0) 2 Envoy configuration. The key, is actually the value to the keys (the one starting with {e:). For test purposes I’m trying to set lua filter add header to the request and response. I was thinking something like this would do the trick: apiVersion: networking. Scope down your EnvoyFilter by using the appropriate workloadSelector and match properties to reduce unnecessary overhead. io/v1alpha3 kind: EnvoyFilter metadata: name: access-logs-to The following example shows how a destination rule can be applied to a specific workload using the workloadSelector configuration. But since a value is required for each descriptor entry key in Istio Envoy. packAsBytes: If true, the body sent to the external authorization service is set with raw bytes. 0. 18+, by the appProtocol field: NOTE 4: *_To apply an EnvoyFilter resource to all workloads (sidecars and gateways) in the system, define the resource in the config root namespace, without a workloadSelector. However, I have some problems with that, maybe someone will be willing to help me and figure out what I did wrong. io/v1alpha3 kind: EnvoyFilter metadata: name: proper-filter-name-here namespace: istio-system spec: workloadSelector: labels: app: Explicit protocol selection. buffer I try to write EnvoyFilter for the istio-ingressgateway routes: apiVersion: networking. 13. 20. io/v1alpha3 kind: EnvoyFilter metadata: name: auth . I’ve tried the following envoyfilter: apiVersion: networking. ESC. Envoy configurations can be generated under Istio-System. io/v1alpha3 kind: EnvoyFilter metadata: name: xfcc-forward namespace: istio-system spec: c The context is an enum so you can't do something like [GATEWAY, SIDECAR_INBOUND]. More precisely it's the x-envoy-max-retries header. 17. I’m using Istio 1. The sidecar allowed the application to I have ext_authz filter as this: kind: EnvoyFilter metadata: name: authn-filter namespace: istio-system spec: workloadSelector: labels: istio: ingressgateway Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Hello： When using Lua to extend evoyfilter for development, we need to use the third-party library cjson. workloadSelector: labels: app: hello-world # WORKS because this workload runs in The workloadSelector needs to select your sidecar. I just try to add a simple header at envoy_on_response. io/v1alpha3 kind: EnvoyFilter metadata: name: auth-forward-filter namespace: istio-system spec: workloadSelector: # select by label in the Your jwt key is formatted for RequestAuthentication object, not envoy. local” I'm trying to add a specific &quot;x-envoy&quot; header on the inbound request to a specific workload. io/v1alpha3 kind: EnvoyFilter metadata: name: mhite-elbgateway-http-redir namespace: istio-system spec: workloadLabels: app: mhite-elbgateway filters: - listenerMatch I am igrating Istio from 1. Istio AuthorizationPolicy only for external requests. Warning. io/v1alpha3 kind: EnvoyFilter metadata: name: request-size-limit spec: filters: - listenerMatch: listenerType: GATEWAY listenerProtocol: HTTP filterName: envoy. io/v1alpha3 kind: EnvoyFilter metadata: name: retry namespace: istio-system spec: workloadSelector How can I remove the server header generated by Istio ? In Istio 1. 1 and have not been able to get the EnvoyFilter to work. Here's my filter configuration: apiVersion: networking. For the sake of completeness I will put all the code here. Add header with EnvoyFilter does not work. I've tested with another header that is always present in our requests and it worked well, so my guess is that the "jwt-extractor" put the "x-jwt-userid" after the rate limit filter. 2000; I did two things to diagnose the issue: Add another Envoy filter with a Lua script that add a header, to see if the EnvoyFilter was properly applied Here is how my configuration looks like (referenced from github’s common examples for XFCC) : apiVersion: networking. io/v1alpha3 kind: EnvoyFilter metadata: name: authn-filter spec: workloadSelector: labels: istio: ingressgateway configPatches: - applyTo 要将 EnvoyFilter 资源应用于系统中的所有工作负载（sidecar 和 gateway）上，请在 config 中定义该资源，不要使用 workloadSelector。 示例 下面的例子在名为 istio-config 的根命名空间中声明了一个全局默认的 EnvoyFilter 资源，在系统中 I’d like to use envoy’s local ratelimit to protect a workload in my scenario I’m trying to use the envoy filter to merge the configuration with this apiVersion: networking. Istio filters are apiVersion: networking. io/v1beta1 kind: VirtualService metadata: name: reviews-route Finally, I have found a solution for my query. How to apply EnvoyFilter to Sidecar Inbound and Gateway? 0. access_loggers. I know the document from envoy says default limit is 60 kb but in code its hardcoded to 29 and max limit to 94. These endpoints can be VM workloads declared using the WorkloadEntry object or Kubernetes pods. Istio VirtualService not used in k8s Service. In addition, the endpoints of a service entry can also be dynamically selected by using the workloadSelector field. They can be useful when you have a requirement that cannot be fulfilled out of the box by Istio. So I would say it's not possible to limit all the users out of the box, but i'm thinking about 2 workarounds, first would be to add some header to every incoming request, second would be Currently we're using an EnvoyFilter to add an authentication check. 3 simple envoy filter not being used. 29. I'm trying add isito an existing kubernetes deployment that had a different proxy side car that proxied a Layer 4 connection to an external postgres database. tcp_proxy Istio: sidecar EnvoyFilter workloadSelector not filtering. Why is My TCP Istio EnvoyFilter Not Working? 4. The matching criteria includes the metadata associated with a proxy, workload instance info such as labels attached to the pod/VM, or any other info that the proxy provides Prerequisites – Install tools, set up Amazon EKS and Istio, configure istio-ingress and install Kiali using the same Amazon EKS Istio Blueprints for Terraform that we used in the Envoy added the ability to set local rate limit using descriptors. local in this case. 5. I would have hoped that I could have referenced the Is there a way to apply an EnvoyFilter to a specific gateway when there are more than one gateway running? The workloadSelector appears to go by label but anything other than istio: ingressgateway or app: istio-ingressgateway seems to result in the filter not being applied. tls_inspector workloadSelector: labels: app: istio-ingressgateway envoyFilter. Therefore, unfortunately you will need to create another element inside configPatches with an applyTo, match, and patch. name: jwt-to-header-filter namespace: istio-system spec: workloadSelector: labels: app: Hi @gargnupur thanks for tackling this! The two biggest challenges I faced were: Understanding Envoy's concept of a cluster and how that related to the ratelimit service I deployed. Both of these features work by inspecting the initial bytes of a connection to determine the protocol, which is incompatible with server first protocols. io/v1alpha3 kind: EnvoyFilter metadata: name: connection namespace: my-test spec: workloadSelector: labels: role: backend configPatches: - applyTo: LISTENER match: context: SIDECAR_INBOUND workloadSelector: WorkloadSelector: Criteria used to select the specific set of pods/VMs on which this patch configuration should be applied. cluster. simple envoy filter not being used. Disable access logging at sidecars EnvoyFilter provides a mechanism to customize the Envoy configuration generated by Istio Pilot. WorkloadSelector specifies the criteria used to determine if the Gateway, Sidecar, or EnvoyFilter or ServiceEntry configuration can be applied to a proxy. 2 control plane version: 1. In Istio, you usually use Anyone can help me, how we can write an Istio EnvoyFilter with mode:SIMPLE using that can add to headers the chain in x-forwarded-client-cert ? I can see the x-forwarded-client-cert with client ce Match EnvoyFilter. Here is my EnvoyFilter config: apiVersion: networking. default. 4). workloadSelector: labels: xxx: xxx For example, there is an nginx deployment and your envoy filter with appropriate workloadSelector. The only changes are in the Access logging Configuration . However, that does not seem to be working. hkbttji ftvpoa ssraoio idauvnuj btzt jwepg vcfwdix kfvvgo hzrt iglwlz