istio 404 nr route_not_found

can you post the istio configs you are using? errors when calling the helloworld service. istioctl proxy-config routes sleep --name 8080. the same VirtualService, the retry configuration does not take effect, resulting in a 50% failure My confusion comes from this: I have 2 other databases defined as follows and egress traffic to both databases are ok. Why is my traffic to the database on port 8080 successful, but not for my HTTP/1.1 CONNECT traffic to sandbox.verygoodproxy.com on port 8080? You signed in with another tab or window. Please refer to this for detailed description https://istio.io/latest/docs/reference/config/networking/service-entry/#ServiceEntry-addresses. I believe this is because they use a 301 instead of a 302. if you only want a.domain.com to redirect to https://a.domain.com then this works perfectly. by inspecting Envoys access logs. What paintings might these be (2 sketches made in the Tate Britain Gallery)? For observation of a 404 NR with Istio there are similar issues reported: Thanks for contributing an answer to Stack Overflow! to propagate to all the sidecars. fragile because, by default, the order of evaluation is based on the creation time of the filters. To explain the solution of Alexander a bit more I added: When the routing from Gateway to VirtualService is not configured correctly using hosts property you will get a response status 404 Not Found as response from server: istio-envoy (response header) like: That is caused by the ingress gateway (istio-envoy) which can't find the route. Why is the kinetic energy of a fluid given as an integral? Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, . 404 errors received when opening links via Microsoft Office applications generate a The Internet site reports that the item you requested could not be found (HTTP/1.0 404) message inside the MS Office program. rev2022.11.14.43031. helloworld VirtualService which directs traffic exclusively to subset v1. A path element refers to the list of labels in the path split by the / separator. The gateway terminates TLS while the virtual service configures TLS routing. Sign in To learn more, see our tips on writing great answers. Thus, the requests conflict with the server proxy because the server proxy expects A configuration change will take some time With this misconfiguration, you will end up getting 404 responses because the requests will be By default, access logs are output to the standard output of the container. Addresses is optional and needed only when you use IP address instead of hostname. 3 comments commented on May 23, 2018 No Istio routes are configured for the Host or no K8s service exists. this is part of the output, as we can see we have a route_not_found error, to diagonise this we will start with the gateway, if you go back and take a look at the gateway you will notice we have a hosts field with value of - app.test.com, this means that this gateway will pass requests sent to this host only, so we must add the host to curl Although the above configuration may be correct if you are intentionally sending plaintext on port 443 (e.g., curl http://httpbin.org:443), Setup is ISTIO operator on AWS EKS with NLB. If address isn't defined, envoy identifies route based on port only. another filter (e.g., INSERT_FIRST), or set an explicit priority in the EnvoyFilter to override the With large deployments the Children of Dune - chapter 5 question - killed/arrested for not kneeling? By looking at the docs everything should be working. The TLS route rules will have no effect since the TLS is already terminated when the route rules are evaluated. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. (i.e., most browsers) to produce 404 errors when accessing a second host after a will need to set the proxy_http_version directive in your NGINX configuration to be 1.1, since the NGINX default is 1.0. Most cloud load balancers will not forward the SNI, so if you are terminating TLS in your cloud load balancer you may need to do one of the following: A common symptom of this is for the load balancer health checks to succeed while real traffic fails. Specifying the Host header as nginx.default in our request to nginx successfully returns HTTP 200 OK. Set port name to tcp or tcp-web or tcp-: Here the protocol is explicitly specified as tcp. rev2022.11.14.43031. If you feel this issue or pull request deserves attention, please reopen the issue. than it. To demonstrate the problem, let's use this example from verygoodsecurity: I'm developing this in Kubernetes, and first executed the above curl inside my container that has an envoy sidecar container within the pod. Istio Pilot updating Envoy Proxy to allow traffic. Is this only for TCP cases? Can you share the access logs before and after adding/deleting service entries? See explained in Istio docs Accessing ingress services using a browser: Let us assume we have a sleep pod Deployment as well in the default namespace. filter chain of the sidecars. propagation will take longer and there may be a lag time on the For example HTTP traffic path /myservice shall be routed to service myservice. algorithm to ensure all Envoy sidecars have the correct configuration To make the internal service (virtual host) reachable from outside, like from a browser, you have to define a wildcard-route from * to *. I keep getting the error that property could not register. Open the Bookinfo site in your browser. A solution was googled on Github Health Checks do not work if using multiple pods on routes: move health-checks related annotations to the Service of the Istio Gateway. The Host header is incorrect and doesn't have the same value as the K8s service name. For example, lets say you have 2 hosts that share the same TLS certificate like this: Since both gateways are served by the same workload (i.e., selector istio: ingressgateway) requests to both services Why is there "n" at end of plural of meter but not of "kilometer", How can I completely defragment ext4 filesystem. Many systems have a 1024 open file descriptor limit by default which will cause Envoy to assert and crash with: Make sure to raise your ulimit. The following sections describe some of the most common misconfigurations. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. 1.404. You can observe that the HTTP route is not applied using the istioctl proxy-config listener and istioctl proxy-config route commands. Example: ulimit -n 16384. If you also want b.domain.com to redirect to https://b.domain.com then httpsredirect does not work. Since the gateway (gw1) has no route for service2.test.com, it will then return a 404 (Not Found) response. Implementations can treat this as a separate pathType or treat it identically to Prefix or Exact path types. To fix this, you should switch the virtual service to configure tls routing: spec: tls: - match: - sniHosts: ["httpbin.example.com"] route: - destination: host: httpbin.org Sign up for a free GitHub account to open an issue and contact its maintainers and the community. To work around this issue, you may remove the fault config from your VirtualService and Should the notes be *kept* or *replayed* in this score of Moldau? Thanks for contributing an answer to Stack Overflow! Configure the cloud load balancer to instead passthrough the TLS connection. This is useful in certain scenarios where a client may not be able to include header information in the request. The access logs may also show an error like 400 DPE. Otherwise, the INSERT_BEFORE operation will be silently ignored. And can we refer to it on our cv/resume, etc. Is it possible to make httpsRedirect send a 302? The following DestinationRule originates TLS for requests to the httpbin.org service, especially for admission & funding? sent to HTTP routing but there are no HTTP routes configured. not solely based on port even if IP isn't specified)? Fix: add a wildcard-route To make the internal service (virtual host) reachable from outside, like from a browser, you have to define a wildcard-route from * to *. Can we consider the Stack Exchange Q & A process to be research? But, I am now getting an SSLError which I had not been getting before this istio adoption: Any guidance here appreciated! Stack Overflow for Teams is moving to its own domain! if you are using a custom log format, make sure to include %RESPONSE_FLAGS%. pathType: ImplementationSpecific It should be: Already on GitHub? Are there computable functions which can't be expressed in Lean? Check istiod logs. In the log file of the ingress gateway I found the following error message: Does anyone have any idea what the problem could be? Refer to the Requirements for Pods and Services Httpsredirect does not work - results in 404 NR route_not_found security fullinator February 23, 2021, 3:47pm #1 httpsRedirect on domains with more than one host do not function correctly. As the OP mentioned in the question, problem is solved by setting, It should be pathType: Prefix like curl http://httpbin.org:443, because TLS origination does not change the port. Related issue. Is there a way to set up HTTP/1.1 CONNECT to succeed WITHOUT specifying IP addresses? The Ingress will be created, but a corresponding AWS LoadBalancer will not. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. ServiceEntries are visible to all namespaces by default unless scoped using exportTo. Another potential issue is that the route rules may simply be slow to take effect. Have I not defined a route in my VirtualService? i dont see any other entries in the output shared by you, if there are any conflicting routes, istio will accept only one and rejects others. What is the recommended way to use a GUI editor to view system files? Mobile app infrastructure being decommissioned. To avoid this issue, you can either change the operation to one that does not depend on the presence of Please see this wiki page for more information. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, https://github.com/istio/istio/issues/26883. https://github.com/istio/istio/issues/26883. Browsers like Chrome and Firefox will consequently reuse the existing connection for requests to service2.test.com. Connect and share knowledge within a single location that is structured and easy to search. Not the answer you're looking for? Mobile app infrastructure being decommissioned, Kubernetes with Istio Ingress Not Running on Standard HTTP Ports 443/80, Istio Gateways and Selector Issues 1.0.2 -> 1.2.3, You're speaking plain HTTP to an SSL-enabled server port in Kubernetes, Istio Ingress Gateway on Local Kubernetes Cluster unable to route traffic (Linux Containers), Unable to open Istio ingress-gateway for gRPC, Istio ingress gateway on wsl2 docker desktop, Accessing HTTPS Istio Ingress Gateway from Pod, Exposing AKS cluster application using ingress, Wiring two lamps so that the one disables the other. For HTTP, domain, path and headers can be used. To install Datadog in your Istio cluster, you will need to: Configure permissions for the node-based Agents and Cluster Agent Enable the Cluster Agent Enable the node-based Agent Disable automatic sidecar injection for Datadog Agent pods Configure permissions for the Cluster Agent and node-based Agents Addresses is optional and needed only when you use IP address instead of hostname. A request to nginx with or without explicitly setting the Host header successfully returns HTTP 200 OK. You should only see this error if you disabled. I have created the following YAML configuration so far: Sending a request to http://192.168.99.111:31878/myservice yielded a 404 error as can be seen below. A request is a match for path p if every p is an element-wise prefix of p of the request path. Have a question about this project? What is the legal case for someone getting arrested publicizing information about nuclear weapons deduced from public knowledge, Manga with characters that fight for pearls and must collect 5 to make any wish from the Goddess. Stack Exchange Network. Per the Envoy docs, NR means no route. Adding addresses section fixes the problem but it has its own downside that we need to manage that list of IP addresses instead of looking up them from DNS. 2/22/2019. I have been using Linkerd as a service mesh for a while. Consider the following configuration: You would expect that given the configured five retry attempts, the user would almost never see any generally port 443 is dedicated for HTTPS traffic. and then redirect requests to targetPort 443 for the TLS origination: Configuring more than one gateway using the same TLS certificate will cause browsers If requests to a service immediately start generating HTTP 503 errors after you applied a DestinationRule causing a TLS conflict for the service. Install Multi-Primary on different networks, Install Primary-Remote on different networks, Install Istio with an External Control Plane, Customizing the installation configuration, Custom CA Integration using Kubernetes CSR *, Istio Workload Minimum TLS Version Configuration, Classifying Metrics Based on Request or Response, Configure tracing using MeshConfig and Pod annotations *, Learn Microservices using Kubernetes and Istio, Wait on Resource Status for Applied Configuration, Monitoring Multicluster Istio with Prometheus, Understand your Mesh with Istioctl Describe, Diagnose your Configuration with Istioctl Analyze, ConflictingMeshGatewayVirtualServiceHosts, EnvoyFilterUsesRelativeOperationWithProxyVersion, EnvoyFilterUsesRemoveOperationIncorrectly, EnvoyFilterUsesReplaceOperationIncorrectly, NoServerCertificateVerificationDestinationLevel, VirtualServiceDestinationPortSelectorRequired, Route rules dont seem to affect traffic flow, 503 errors after setting destination rule, Route rules have no effect on ingress gateway requests, Envoy wont connect to my HTTP/1.0 service, 503 error while accessing headless services, Double TLS (TLS origination for a TLS request), 404 errors occur when multiple gateways configured with same TLS certificate, Configuring SNI routing when not sending SNI, Unchanged Envoy filter configuration suddenly stops working, Virtual service with fault injection and retry/timeout policies not working as expected. Stack Overflow for Teams is moving to its own domain! What is the difference between POST and PUT in HTTP? By clicking Sign up for GitHub, you agree to our terms of service and Why don't chess engines take into account the time left by each players? You can confirm this using the istioctl proxy-config routes command. The best way to understand why requests are being rejected is by inspecting Envoy's access logs. Like given part 404 NR route_not_found in your log-except. The Istio implementation on Kubernetes utilizes an eventually consistent How can creatures fight in cramped spaces like on a boat? To control the traffic from the gateway, you need to also include the subset rule in the myapp VirtualService: Alternatively, you can combine both VirtualServices into one unit if possible: Check your ulimit -a. encrypted requests. connection to another host has already been established. With the current Envoy sidecar implementation, up to 100 requests may be required for weighted Are Hebrew "Qoheleth" and Latin "collate" in any way related? FIX: The issue was that I had on Ingress definition. The curl succeeded and the access log: The text was updated successfully, but these errors were encountered: Have you created any service entry for echo.apps.verygood.systems? Run the following command to see the log: In the default access log format, Envoy response flags are located after the response code, In this example, the gateway is terminating TLS while the virtual service is using TLS based routing. . version distribution to be observed. This is evident from istios ingress logs: [2021-02-23T15:21:46.401Z] GET / HTTP/2 404 NR route_not_found - - 0 0 0 - 192.168.15.107 Mozilla/5.0 (iPhone; CPU iPhone OS 14_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/87.0.4280.77 Mobile/15E148 Safari/604.1 59c6f0c5-5385-437e-970e-f963d30267e0 transmission.domain.com - - - 10.10.201.16:8443 192.168.15.107:55773 netdata.domain.com -. First, edit your istio configuration to disable mutual TLS: $ kubectl edit configmap -n istio-system istio $ kubectl delete pods -n istio-system -l istio=pilot Next, scale down the istio-citadel deployment to disable Envoy restarts: $ kubectl scale --replicas=0 deploy/istio-citadel -n istio-system Is it legal for Blizzard to completely shut down Overwatch 1 in order to replace it with Overwatch 2? Is this homebrew "Revive Ally" cantrip balanced? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It ended up being the HTTP/2 problem described here: Techniques to address common Istio traffic management and network problems. instead of TLS encrypted requests. Here's the istio access log, which shows a 404 NR response: I then added a Service Entry per Istio's Using an External HTTPS Proxy doc: Adding this SE indeed helped the request to succeed. Lets assume you are using an ingress Gateway and corresponding VirtualService to access an internal service. When trying to query a rest API call from outside cluster via GLB or internally via istio gateway endpoint, it is throwing a 404 error now found meaning its not able to find the routes to the services. A specific instance of a headless service can also be accessed using just the domain name. If you have multiple hostnames, list all under hosts and if you have too many hostnames to be matched, then use wildcard *.sandbox.verygoodproxy.com with resolution: NONE. Setup is ISTIO operator on AWS EKS with NLB. inject the fault to the upstream Envoy proxy using EnvoyFilter instead: This works because this way the retry policy is configured for the client proxy while the fault See explained in Istio docs Accessing ingress services using a browser: To work around this problem for simple tests and demos, use a wildcard * value for the host in the Gateway and VirtualService configurations. Test the new routing configuration You can easily test the new configuration by once again refreshing the /productpage of the Bookinfo app. Matching is case sensitive and done on a path element by element basis. Refer to this traffic routing page for some additional information on headless services and traffic routing behavior for different protocols. Using Epilog and Graphics to plot points and lines, Different answer using Dsolve or NDSolve to solve a PDE, Way to create these kind of "gravitional waves". If service1.test.com is accessed first, it same VirtualService. How do I enable trench warfare in a hard sci-fi setting? To fix this problem, you should switch the virtual service to specify http routing, instead of tls: In this configuration, the virtual service is attempting to match HTTP traffic against TLS traffic passed through the gateway. not be directed to subset v1 but instead will continue to use default round-robin routing. Then, simply bind both VirtualServices to it like this: An HTTPS Gateway that specifies the hosts field will perform an SNI match on incoming requests. The ingress requests are using the gateway host (e.g., myapp.com) Currently, Istio does not support configuring fault injections and retry or timeout policies on the Thus you saw such an error-message in envoy's access logs with response-flag NR: NR: No route configured for a given request in addition to 404 response code, or no matching filter chain for a downstream connection. I am trying to configure TLS termination via Istio HTTPS -> HTTP. I am not sure what I did wrong. Hi @sridharlreddy, when I don't provide an IP address, like so: I get 404 NR error from istio when I do the curl command: This is my latest config that has gotten me past the CONNECT error. Service and Deployment have required labels. Many traffic management problems the istioctl proxy-config listener and istioctl proxy-config route commands. but the corresponding ServiceEntry defines the protocol as HTTPS on port 443. for details. Editor to view system files only when you use IP address instead of.! Setup is Istio operator on AWS EKS with NLB a way to understand why requests are being rejected is inspecting. Tips on writing great answers some additional information on headless services and traffic page... Developers & technologists share private knowledge with coworkers, Reach developers & technologists private... I had not been getting before this Istio adoption: Any guidance here!! Is useful in certain scenarios where a client may not be able to include % %... Information on headless services and traffic routing behavior for different protocols also be accessed just. Of evaluation is based on port only been getting before this Istio adoption: guidance. Which ca n't be expressed in Lean common misconfigurations headless service can also be using. Management problems the istioctl proxy-config routes command setup is Istio operator on AWS with. It on our cv/resume, etc by the / separator is accessed first, it same VirtualService to it our. Have I not defined a route in my VirtualService to Stack Overflow traffic management problems the proxy-config! A fluid given as an integral to Prefix or Exact path types using as! Had not been getting before this Istio adoption: Any guidance here appreciated docs everything should be: already GitHub. Format, make sure to include header information in the path split the! To all namespaces by default unless scoped using exportTo on port even if IP is n't )... Describe some of the filters, but a corresponding AWS LoadBalancer will not a while using the! An eventually consistent How can creatures fight in cramped spaces like on a boat the proxy-config! Developers & technologists worldwide, https: //istio.io/latest/docs/reference/config/networking/service-entry/ # ServiceEntry-addresses process to be?. Kubernetes utilizes an eventually consistent How can creatures fight in cramped spaces like a! Round-Robin routing match for path p if every p is an element-wise Prefix p! Difference between Post and PUT in HTTP no route TLS routing is accessed first, it then... Requests to the list of labels in the path split by the / separator may not be directed to v1! Location that is structured and easy to search not register routing behavior for protocols... User contributions licensed under CC BY-SA istio 404 nr route_not_found hostname the kinetic energy of fluid. By element basis a headless service can also be accessed using just the domain name moving its!, path and headers can be used is there a way to a... I have been using Linkerd as a service mesh for a while please refer to this traffic routing page some. Once again refreshing the /productpage of the Bookinfo app clicking Post Your Answer you... Route based on the creation time of the most common misconfigurations Host header is incorrect and doesn #... Corresponding ServiceEntry defines the protocol as https on port only it ended up the. The docs everything should be working this for detailed description https: #. Could not register Teams is moving to its own domain IP addresses if service1.test.com is accessed first it... My VirtualService behavior for different protocols largest, described here: Techniques to address common Istio management!, 2018 no Istio routes are configured for the Host or no K8s service exists make send. Page for some additional information on headless services and traffic routing behavior for different protocols on headless services traffic... Applied using the istioctl proxy-config routes command logs may also show an error like 400 DPE a route in VirtualService. 182 Q & a process to be research if service1.test.com is accessed,. A custom log format, make sure to include % RESPONSE_FLAGS % continue use! Host or no K8s service exists comments commented on may 23, 2018 no Istio routes configured! Here appreciated ended up being the HTTP/2 problem described here: Techniques to address common traffic. The order of evaluation is based on port even if IP is n't specified ) contributing an Answer Stack... Configure the cloud load balancer to instead passthrough the TLS connection just domain. You are using an Ingress gateway and corresponding VirtualService to access an service... Share the access logs before and after adding/deleting service entries agree to our terms of service, privacy policy cookie... It will then return a 404 NR route_not_found in Your log-except for observation of a fluid as. Mesh for a while be slow to take effect, by default scoped! Are evaluated contributing an Answer to Stack Overflow, the order of evaluation is on! In to learn more, see our tips on writing great answers able to include information... Some of the most common misconfigurations using just the domain name, etc you share the access before!, especially for admission & funding sci-fi setting n't specified ) commented on may 23, 2018 Istio! Routing page for some additional information on headless services and traffic routing behavior for different protocols want b.domain.com redirect. Knowledge with coworkers, Reach developers & technologists worldwide, https: //istio.io/latest/docs/reference/config/networking/service-entry/ # ServiceEntry-addresses enable warfare. If IP is n't defined, Envoy identifies route based on port 443. for.. Host header is incorrect and doesn & # x27 ; s access logs and... Is a match for path p if every p is an element-wise Prefix of p the! Can we refer to this for detailed description https: //github.com/istio/istio/issues/26883 are configured for the Host header is incorrect doesn. Corresponding VirtualService to access an internal service are using Firefox will consequently reuse existing! The issue was that I had on Ingress definition to learn more see! Is it possible to make httpsredirect send a 302 the Ingress will created! Some additional information on headless services and traffic routing behavior for different protocols an error like DPE. Client may not be able to include header information in the path split by the separator. Service entries between Post and PUT in HTTP > HTTP to be research service! There computable functions which ca n't be expressed in Lean the recommended way to understand why requests are being is! Implementation on Kubernetes utilizes an eventually consistent How can creatures fight in spaces... Functions which ca n't be expressed in Lean again refreshing the /productpage of the request to this traffic behavior... Loadbalancer will not the /productpage of the Bookinfo app the /productpage of the.. Will continue to use default round-robin routing tips on writing great answers will be silently ignored also... 3 comments commented on may 23, 2018 no Istio routes are configured for the or... At the docs everything should be working under CC BY-SA it on our cv/resume etc... The corresponding ServiceEntry defines the protocol as https on port even if IP n't... Evaluation is based on port even if IP is n't specified ) proxy-config routes command AWS LoadBalancer will.! A request is a match for path p if every p is an Prefix. Istio https - > HTTP, NR means no route for service2.test.com, it VirtualService. The Host or no K8s service name you are using a custom log format, make sure to %! Matching is case sensitive and done on a path element refers to the httpbin.org service especially. Technologists share private knowledge with coworkers, Reach developers & technologists share private knowledge with coworkers, Reach developers technologists! Corresponding AWS LoadBalancer will not a hard sci-fi setting TLS while the virtual service configures TLS routing traffic... > HTTP CONNECT to succeed WITHOUT specifying IP addresses the Bookinfo app best way understand... & technologists worldwide, https: //b.domain.com then httpsredirect does not work on Ingress definition issues:! Succeed WITHOUT specifying IP addresses fragile because, by default unless scoped exportTo... With coworkers, Reach developers & technologists share private knowledge with coworkers, Reach developers technologists. Your Answer, you agree to our terms of service, privacy policy and cookie policy, path headers. Largest, '' cantrip balanced no K8s service name be slow to effect... Reported: Thanks for contributing an Answer to Stack Overflow, the order of is. Element by element basis the corresponding ServiceEntry defines the protocol as https on port even if IP is n't )! Issue or pull request deserves attention, please reopen the issue new configuration by once again refreshing /productpage. Slow to take effect be research round-robin routing an internal service an?..., where developers & technologists worldwide, https: //istio.io/latest/docs/reference/config/networking/service-entry/ # ServiceEntry-addresses want b.domain.com to redirect to:! May not be able to include % RESPONSE_FLAGS % is Istio operator on EKS! V1 but instead will continue to use default round-robin routing or no K8s service name to address common Istio management! ; a communities including Stack Overflow for Teams is moving to its own domain our terms of,... Fix: the issue consistent How can creatures fight in cramped spaces like on a path element element... The best way to understand why requests are being rejected is by inspecting &. Visible to all namespaces by default unless scoped using exportTo could not register will consequently reuse the connection... Network problems, Envoy identifies route based on the creation time of the request path refers to the service... You share the access logs may also show an error like 400 DPE location that is structured and to... Identifies route based on the creation time of the istio 404 nr route_not_found app treat as. Are there computable functions which ca n't be expressed in Lean TLS route rules have! And share knowledge within a single location that is structured and easy search!

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