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Questions tagged [knative]

Questions relating to http://knative.dev/ open source kubernetes-based platform to deploy and manage modern serverless workloads.

Questions relating to http://knative.dev/ open source kubernetes-based platform to deploy and manage modern serverless workloads. This may include commercial implementations such as

  1. Red Hat's OpenShift Serverless Architecture.
  2. IBM Knative.
  3. Google Cloud Run.
202 questions
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kn: Recycle instance if running for more than 30 days

How do I configure knative yaml for this scneario: Application has minScale=1, maxScale=1 If application is running > x days, recycle this instance; i.e create another instance, route all traffic to it, and kill current, so endstate remains…
Espresso
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Knative Eventing Dead Letter Sink Not Triggered

I've got sequences working in my Knative environment. We're trying to configure and confirm the DLQ/Dead Letter Sink works so we can write tests and things against sequences. I can't for the life of my get Knative to send anything to the Dead Letter…
Leeish
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Magic DNS on Minikube curl(6) cannot resolve host

I installed Serving on Minikube as instructed by the official documentation. Kourier was chosen as the network layer I want to use the Magic DNS on my cluster, I have installed it using kubectl apply -f…
常文龙
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Does Knative support multiple k8s cluster?

As we know, the amount of services in a k8s cluster is limited. How do we break through the limit on the number of services when we use knative to develop serverless? What I can think of is to let knative support multiple clusters, how does knative…
BruceWu
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Does Knative support arm64?

I have run knative image in the k8s cluster which is arm64 ,but knative can't start and it's logs is as follow: standard_init_linux.go:211: exec user process caused "exec format error" I want to know whether knative support arm.
BruceWu
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How to Knative get client ip on istio

I am using istio in knative. Since the client ip did not come, I activated the reverse-prox. I added envoyfilter. but I get "upstream connect error or disconnect/reset before headers. reset reason: connection termination" error in services on…
Adem Çınar
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What is the proper image url to be entered in the yaml file for KNATIVE deployment

I am trying to complete the KNative tutorial for deploying this tutorial : https://knative.dev/docs/serving/samples/hello-world/helloworld-ruby/ I have a url upon completion however, the page is not reachable. I am getting 404 not found. When I run:…
Jamiu Adeleke
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I get an error when trying to create a kind Cluster Domain Claim in version networking.internal.knative.dev/v1alpha1

I have installed microk8s version 1.21, then try to create a "Cluster Domain Claim", I get this error "no matches for kind Cluster Domain Claim in version Networking.internal.knative.dev/v1alpha1". I searched in the CRD but I don't know how to…
Elbrick Salazar Ferrer
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We have created the knative serverless application in GCP.And we are trying to accesss it by using istio mesh

But we are getting status code 404 while accessing the API. Implemented below steps: Pointed domain URL to istio load balancer external IP. Applyed a VirtualService that maps its route destinations to…
Chetan Dange
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Single request spinning 2 Knative instances when setting concurrency limit to 1

I am trying to achieve a scenario whr 5 curl requests would spin 5 pods. I have being playing around with Knative concurrency setting for autoscaling. Some observation I realise is that when I set autoscaling.knative.dev/target: "1" After curling a…
Darkbluelion
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How do I check storage size for a Knative container and how can I increase it?

I have few storage related question for Knative apps How do I check how much storage space do I have for a stateless knative apps. Reason being I need the Knative pod to process a huge file of 1G before removing it. it seem to get problem…
Darkbluelion
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Is there some kind of a lifecycle hook for Knative services?

I am facing this problem: services deployed with Knative serving shall be registered with an API gateway when installed (i.e. kn service create some-service ...) and un-registered when the service is removed (i.e. kn service delete…
Claudio S
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Knative Eventing - NewObservedGenFailure error for helloworld sample's trigger

I am trying out sample hello world application to make use of knative events. Using the reference guide: https://knative.dev/docs/eventing/samples/helloworld/helloworld-python/ I manage to create service, deployment & trigger using the…
Darkbluelion
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Is it possible to modify a C# web application after it's been containerized?

I have built 2 web applications: 1st with C# and Entity Framework 2nd as ASP.NET MVC (as a web service) Now I was asked to containerize above with Knative. My question is: after that the above apps are containerized, will it be possible or easy to…
compliance
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Knative & cert-manager - SSL_ERROR_SYSCALL

kubectl version Client Version: version.Info{Major:"1", Minor:"21", GitVersion:"v1.21.0", GitCommit:"cb303e613a121a29364f75cc67d3d580833a7479", GitTreeState:"clean", BuildDate:"2021-04-08T21:16:14Z", GoVersion:"go1.16.3", Compiler:"gc",…
Chris G.
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