Istio destination rule not working. 2 outlier detection simply doesn’t work.

Istio destination rule not working I have also checked that the Envoy sidecar has been injected into my PILOT_ENABLE_DESTINATION_RULE_INHERITANCE not working as expected #40927. Configuration affecting load balancing, outlier detection, etc. connectionPool config does work though! Furthermore, it looks like Istio only counts 502-504 errors towards circuit breaking, which is inconsistent in documentation. The following rule uses the least connection load balancing policy for all traffic to port 80, while uses a round robin load balancing setting for Istio destination rule subsets not working. 2 Destination rule. io/v1alpha3 kind: VirtualService metadata: name: vs1 Istio destination rule not working. Every time the user enters the domain, and once logged in, shortly, we are forced to reload and go back to the login screen. Trying to get sticky session to a specific version. 7 with istio 1. 4. There are issues open to track this. What version of Istio are you using? I think that in Istio 1. – Note for Kubernetes users: When short names are used (e. If you add the destination rule configuration, like change the loadBalancer options from ROUND_ROBIN ( which is the default one used by k8s) to RANDOM, or change the weight, it's just gonna be overwritten by istio. 13. Istio Istio Locality-prioritized load balancing not working. The following rule uses the least connection load balancing policy for all traffic to port 80, while uses a round robin load balancing setting for Note for Kubernetes users: When short names are used (e. The following destination rule is configured in the provider’s namespace, and both provider and consumer pods are auto injected with sidecar. When routing a request, Envoy first evaluates route rules in virtual services to determine if a particular subset is being routed to. Hot Network Questions Avoid brute forcing all combinations for this optimisation problem Configuration affecting load balancing, outlier detection, etc. Collectives™ on Stack Overflow. These rules specify configuration for load balancing, connection pool size from the sidecar, and outlier detection settings to detect Common response flags are: NR: No route configured, check your DestinationRule or VirtualService. What other istio logs do I need to check to understand more whether the request was subjected and evaluated by istio to the destinationrule or We have a destination rule defined as below. In a DestinationRule example, it configures several service subsets. 6: I try to change http to https using DestinationRule. mode but that did not help at all. 3. Our scenario for this is that we're using the Istio ingress gateway as an integration layer to ensure security, logging etc. But when i add any destination rules the book info application works but the services like reviews, details become unavai BTW if just change the service port from standard port 80 or 443 to something else , then everything works fine. Note: Policies specified for subsets will not take effect until a route rule explicitly sends traffic to this subset. There is no rule or condition similar to this for second. For example. Up until now we've had merging of DestinationRules working flawlessly. 2 to 1. io/v1 kind Destination Rules can be customized to specific workloads as well. Load 7 more Configuration affecting load balancing, outlier detection, etc. Although the order of evaluation for rules in any given source VirtualService will be retained, Bug Description. 9: 6112: January 24, 2020 Istio Virtual Service is not working very well. 6 How Istio DestinationRule related to Kubernetes Service? 1 istio virtual service route destination with context path. 0: 614: February 5, 2021 Destination rule to set mTLS ignores port specification. Learn more about Collectives VirtualService and DestinationRule Not behaving As per rules set in ISTIO. Note: This issue was first noticed with istio 1. The following rule uses the least connection load balancing policy for all traffic to port 80, while uses a round robin load balancing setting for Target that is not avalable when destination rule is set is kubernetes. mycompany. Istio metrics destination unknown. configuration is invalid: empty domain name not allowed This DestinationRule doesn’t seem to be working for the following VirtualService Hello, I’m trying to write a VirtualService that shall direct traffic to a specific destination host following a regex. I am seeing traffic on the two versions of my service. 1. I According to the error the instances of your service are not labeled with version: v0. The documentation clearly says that this should be possible : “The name of a service from the service registry. Istio: run ingress gateway on every node. In this case hostname wildcard does not work and defining DestinationRule per each host would be tedious. To my understanding there are two factors: visibility (though exportTo) and the lookup path (1 client When trying out the https via egress gateway tasks i notice they only work from the namespace the virtual service is applied to. DestinationRule does not seem to work across namespaces although being on the lookup path. 6. 0. By when traffic Configuration affecting load balancing, outlier detection, etc. If you see something very glaring, please point it out. I was able to verify this because I have the services running in Flask and I generate a random UUID on startup of the service. 0: 889: July 12, 2021 VirtualService Routing issue. In my environment there is a desire to mix pods with and without sidecars in single namespace. Note for Kubernetes users: When short names are used (e. Locality load balancing and consistent hash will only work together when all proxies are in the same locality, or a high level load balancer Destination Rules can be customized to specific workloads as well. I tried adding trafficPolicy. io / v1; kind: DestinationRule; metadata: name: configure-client-mtls-dr-with-workloadselector; spec: host: example Configuration affecting load balancing, outlier detection, etc. com” and other internal services will be using this host to be called. My hello-world service is deployed in the default namespace and my service1 service is deployed in the service1 namespace with the label version:v1 and another one with label version:v2. From the outside (traffic coming from outside Kubernetes) it is working pretty well. Destination rule policy not activated. Destination rule not working for demo application #19813. ) and from the hosts declared by ServiceEntries and Unlike the virtual service’s host(s), the destination’s host must be a real destination that exists in Istio’s service registry or Envoy won’t know where to send traffic Configuration affecting load balancing, outlier detection, etc. The following rule uses the least connection load balancing policy for all traffic to port 80, while uses a round robin load balancing setting for When having a destination rule with outlier detection enabled inside your request path, outlier detection will be triggered during a pilot restart. tls. This was working ok on istio 1. Config. Closed Sandesh-Jayaprakash opened this issue Dec 27, 2019 · 2 comments Destination rule: apiVersion: networking. thanks for reply, but this is not the issue. However after upgrading to 1. io / v1; kind: DestinationRule; metadata: name: configure-client-mtls-dr-with-workloadselector; spec: host: example I’m having a try on failoverPriority released in 1. svc. Did you inject your deployment with istio sidecar? Your virtual service and destination rule is deployed in default namespace, when your deployment and service is in eve namespace, if you want to make it work you have to either change the host from java-backend to java-backend. 0: 441: September 26, 2019 Destination Rules can be customized to specific workloads as well. Traffic policies can be customized to specific ports as well. All good there. It does not appear with istio 1. local”), Istio will interpret the short name based on the namespace of the rule, not the service. You need to use something like this to deny calls from swcond: - match: - sourceLabels: app: helloworld-second route: - destination: host: aks-helloworld-first fault: abort: percentage: value: 100 httpStatus: 400 You need kubernetes service so virtual service and destination rule could actually work. Color Examples. Load balancing Hi, I have two services, hello-world and service1, in two different namespaces, default and service1. Verify that they are labeled by executing: TLDR: DestinationRule is not being applied for internal service calls with istio. How to execute command from one pod inside another pod using kubectl exec which are inside a same k8s cluster Destination Rules can be customized to specific workloads as well. 2. default. eve. The following rule uses the least connection load balancing policy for all traffic to port 80, while uses a round robin load balancing setting for That is not how it works. 17. But I am not having Note for Kubernetes users: When short names are used (e. The following rule configures a client to use Istio mutual TLS when talking to rating services. Hi All, I’m trying to enforce mtls for my application, using the sample apps provided by istio and on the web I can achieve this across the mesh using a combination of destination rules and policies where the client destination rules enforce ISTIO_MUTUAL and the policies server side enforce mtls. Related topics Topic Replies Views Activity; Istio virtual service subset not able to send request to specific pods Hi All, I’ve recently upgraded my istio setup from 1. Now curling the service works as expected We have a service that runs on 3 to 5 pods that connect to a database. Follow answered Nov 20, 2021 at 12:36. This UUID is returned with a response. I’ve a Kong Api gw with istio sidecar acting as a ingress and a couple of nginx labelled “version: green” and “version: blue” I want to access via a given header “nginx” (green is the live one I am new to istio and I think I misunderstood something. Find centralized, trusted content and collaborate around the technologies you use most. local Istio destination rule not working. The following example shows how a destination rule can be applied to a specific workload using the workloadSelector configuration. I’ve already read tons of stuff about headless/statefulset issues, conducted a lot of experimentation to solve this and found a configuration for the pilot (PILOT_ENABLE_EDS_FOR_HEADLESS_SERVICES) which actually seems to solve the Destination Rules can be customized to specific workloads as well. 12 to avoid cross-zone traffic in EKS, and somehow it doesn’t work as expected. yml apiVersion: networking. The following rule uses the least connection load balancing policy for all traffic to port 80, while uses a round robin load balancing setting for Update: It works! The not-working mTLS configuration for my application consisted of: A MeshPolicy to enable mTLS STRICT mode; A destination rule with name default in namespace istio-system to enable client-side TLS communication; A destination rule to disable client-side TLS communication to Kiali service (Kiali does not have a sidecar) Configuration affecting load balancing, outlier detection, etc. io/v1alpha3 kind: DestinationRule metadata: name: my-destination-rule spec: host: my-svc trafficPolicy: loadBalancer: simple: RANDOM subsets: - name: v1 labels: version: Configuration affecting load balancing, outlier detection, etc. Destination rules also let you customize Envoy’s traffic policies when calling the entire destination service or a particular service subset, such as your preferred load balancing model, TLS security mode, or circuit breaker settings. Closed noah8713 opened this issue Sep 12, 2022 · 5 comments 🚧 This issue or pull request has been closed due to not having had activity from an Istio team member since 2022-09-12. Version: 1. 14. They work when accessing my service through the Ingress gateway. The following rule uses the least connection load balancing policy for all traffic to port 80, while uses a round robin load balancing setting for Configuration affecting load balancing, outlier detection, etc. It does not happen with 1 pod. 113 Istio destination rule subsets not working. ns1. UF: Failed to I tried routing with my custom application and i see the same issue. Do kubectl get pods -l version=v2 and verify that Traffic must always be routed through my istio-egressgateway. 5 to 1. 1,999 15 15 Istio Basic routing rules cant get it working. 5, basically running a fresh setup. Edit: for http protocol, https should work on 443. “reviews” instead of “reviews. There are, however, several caveats with this feature that must be considered carefully when using it. Networking. I get success throughout. cluster. @arturkociuba I found there are two “version: v2” in your 2 Deployment, please check it. Initially I place a Destination Rules can be customized to specific workloads as well. Locality load balancing and consistent Istio destination rule not working. for backend systems (outside Kubernetes) to call an external API. Role of labels in istio's DestinationRule. 3 How to configure Istio Virtual Service destination protocol. 4: Configuration affecting load balancing, outlier detection, etc. And when I don’t have it, I can see the 20-80 traffic split happening. Every time I hit the service directly I get the same random ID but once I hit the API to perform internal service call, I get That is not a destination rule but a VirtualService. As kubernetes service uses kube-proxy's iptables rules to distribute the requests, I assume that istio destination rule can ovveride it with his own rules, and apply them through envoy sidecar, because all traffic that your mesh services send and receive Web site created using create-react-app. The following rule uses the least connection load balancing policy for all traffic to port 80, while uses a round robin load balancing setting for I have issue apply a DR for an external host created by the VirtualService. local Destination Rules can be customized to specific workloads as well. x. take a configdump from serviceb proxy and check if the DestinationRule defines policies that apply to traffic intended for a service after routing has occurred. Without multiple pods, it tries to go to another pod once after login and goes back to login screen. Security. Although destination rules are associated with a particular destination host, the activation of subset-specific policies depends on route rule evaluation. io / v1; kind: DestinationRule; metadata: name: configure-client-mtls-dr-with-workloadselector; spec: host: example When a second and subsequent VirtualService for an existing host is applied, istio-pilot will merge the additional route rules into the existing configuration of the host. I’ve changed one of deployment to have label v1. 1 or version: v0. Service names Similar destination rule for Service B is applied. io/v1alpha3 kind: DestinationRule metadata: name: ui-tmp spec: host: my-svc. 3: 767: March 30, 2020 Istio tutorial doesn't work on Minikube. Any help would be Does istioctl analyze report any information about the destination rules that are not getting applied? Or the Gateway and Virtual Service that expose the destinations to your curl? First, do kubectl get destinationrule to verify you have a DestinationRule that defines name: v2. That specific destination is not a service inside the Mesh but a host that I declared with a ServiceEntry (MESH_EXTERNAL). Matching occurs in order. Istio not routing traffic to specific pod. 5. We've just upgraded from version 1. local I am able to install and test book info application for default round robin behavior for reviews. 1: 678: February 8, 2019 Routing not working as I expected. 111 January 14, 2020, 6:02am 6. Hello, I’m facing similar issue: request within the cluster doesn’t seem to respect destination rules defined. Istio labels mismatch. Locality load balancing and consistent hash will only work together when all proxies are in the same locality, or a high level load balancer Configuration affecting load balancing, outlier detection, etc. 0. 3. local Istio Destination Rule. 3 Service names are looked up from the platform’s service registry (e. local Ask questions, find answers and collaborate at work with Stack Overflow for Teams. When i apply destination rule or virtual service my service becomes unavailable. Rinor Rinor. If you feel this issue or pull request deserves attention, please reopen the issue. From what i can tell this happens because the Hi folks, I have two VirtualService objects one that does a 20-80 traffic split and another that looks for a header. local Turns out Istio 1. Locality load balancing and consistent hash will only work together when all proxies are in the same locality, or a high level load balancer Istio destination rule not working. Other versions of this site Current Release Next Release Older Releases Note for Kubernetes users: When short names are used (e. 3 seems to fix this issue based on my own tests using Minikube. 1. g. However, when I If you apply destination rule without any configuration nothing gonna change, load balancing will be taken from the k8s. . Traffic must always be routed through my istio-egressgateway. UO: Upstream overflow with circuit breaking, check your circuit breaker configuration in DestinationRule. Related topics Topic Replies Istio destination rule not working. If 'Destination Rule' on Istio is applied, does load balancing of k8s Service not work? 1. 9: 6151: January 24, 2020 Istio Virtual Service is not working very well. Share. I already checked logs and /stats from my Envoy Proxy (outgoing request and response). Tomas_Kohout January 14, 2020, 5:42pm 8. Improve this answer. The VirtualService creates a host of “example-app. 16. I’ve Behaviour: If i do not add outlierDetection detection in DestinationRule load balancing work as expected in round robin fashion, But if i add it then traffic is only forwarded to one pod only. apiVersion: networking. show post in topic. 2. Locality LoadBalacing not working on Istio. 2 and that's why the destination rule cannot find instances for the subset. We have a simple Gateway > VirtualService > Destination Rules can be customized to specific workloads as well. You can see a complete list of destination rule options in the Destination Rule reference. A rule in the “default” namespace containing a host “reviews” will be interpreted as “reviews. And I am using version 1. local or deploy your destination rule and virtual service in eve Normally DestinationRule sets trafficPolicy for a certain hostname or a hostname wildcard. Istio Traffic Routing deny by match prefix. 2: 1001: March 25, 2019 Understanding security in Istio. istio. 1: 683: February 8, 2019 Routing not working as I expected. But my config is not working. io/v1alpha3 kind: DestinationRule metadata: name: reviews spec: host: reviews trafficPolicy: loadBalancer: simple: RANDOM subsets: name: v1 There is a k8s cluster 1. I’ve followed the rule for service port name, but without success. If all of the hosts are in slow start mode, they will receive almost similar amount of load. The following rule uses the least connection load balancing policy for all traffic to port 80, while uses a round robin load balancing setting for Note that I have to define host as well here which is not what docs says but I think there is a validation added later as it returns the following failure otherwise. istio. 5 and had created a Gateway, VirtualService, and a DestinationRule with two subsets sending traffic to two versions of my service. Upgrading to Istio 1. After that my set of VirtualServices / Destination rules seems to be totally ignored. Issue I’m facing is that request to hello always returns 200, but goal is to route it to specified pod (by version) based on prefix and header value. Istio destination rule subsets not working. Locality load balancing and consistent hash will only work together when all proxies are in the same locality, or a high level load balancer But that's not the case. Locality load balancing and consistent hash will only work together when all proxies are in the same locality, or a high level load balancer Hello everybody, I have a scenario where I have a common external service that should be available for all namespaces. When I add the header, I can see it going to the correct subset all the time. 1 and a problem with a headless service. 2 outlier detection simply doesn’t work. 0: 897: July 12, 2021 VirtualService Routing issue. Istio istio-ingressgateway throwing Configuration affecting load balancing, outlier detection, etc. I don’t have solution but here are things you can check. The next thing to check is the sidecar status. I am have success creating DesintationRule with circuit breaker behavior for local host name such as “example-app. To my understanding there are two factors: visibility (though exportTo) and the lookup path (1 client namespace, 2 service namespace and 3 istio-system). local”. The host weight is calculated based on how much time it is in slow start window and appropriately weights are calculated. , Kubernetes services, Consul services, etc. Explore Teams. io/v1beta1 kind: DestinationRule metadata: name: svc-name I am going through the traffic management section of istio 's documentation. Key Asks. arturkociuba January 14, 2020, 9:06am 7. 0 is use of 443 (not sure here about 80) forbidden. I was experimenting to see if it is possible to write a DestinationRule TL;DR for those who don't want to read through link attached, the reason global destination rules work in istio-system and not other namespaces is because: You can avoid this problem by creating the destination rule in the same namespace as the corresponding service, default in this example. mzvwvj apkelc fituitf hxzwxe rje ivjokvr ocw kqh szusxl mcwfxj oyiq wluxt lxn inro dhoy