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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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Create wrapper for multiple instances of an Event Handler

I'm trying to deal with a problem (most probably a design one) regarding the usage of Channels and the proper handling of those. I'm using Knative Eventing/Cloud Events to create and eventing pipeline. I want to be able to handle different channels…
Zed_Blade
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Knative deployed pod is not able to access via browser initially but after executing the curl command in k8s cluster i can able to access in browser

I want to access the browser first time without executing the curl command, Note - The initial commands like export IP address and config-map commands execute successfully. apiVersion: serving.knative.dev/v1alpha1 kind: Service metadata: name:…
Gunalan
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Knative: confusing service names and routing

I’m getting started with Kubernetes, Knative and Gloo. My goal is to deploy a simple http service to a gke cluster. I’ve managed to setup knative, gloo and deploy a healthy service there named backend. Next step is to setup routing /api/v1 ->…
Andrey Kuznetsov
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Changing public url in knative service definition

i'm playing around with knative currently and bootstrapped a simple installation using gloo and glooctl. Everything worked fine out of the box. However, i just asked myself if there is a possibility to change the generated url, where the service is…
alexzimmer96
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Create service or container from another container, on Google Cloud Run or Cloud Run on GKE

Can I create a service or container from another container, on Google Cloud Run or Cloud Run on GKE ? I basically want to manage my containers/services dynamically from another container and not sure how to go about this Adding more details: One of…
haknick
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Knative on GKE is not working with some images, shows RevisionMissing error

I am running Knative on a GKE cluster. The sample images provided on the Knative website work but when I switch to some other images, it stops working. Only 2 containers work out of 3 and route's ready state remains 'unknown' and Reason shows as…
Pragmatic
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How to setup a simple testing environemnt for knative eventing testing?

I wanted to start learning Knative and specially Knative Eventing part. I am struggling more than two weeks with setting up the environment. There is always an error happening. Sometimes kubernetes stuck on ImagePullBackOFF, sometimes ErrPullImage. …
AlwaysLearner
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Edits to config-autoscaler configmap automatically revert a few minutes after changes applied

I'm trying to tune the autoscaler for a Google Kubernetes Engine cluster with the cloud-run addon enabled. When I edit the configmap The changes are accepted by the API server. However, after a few minutes, the configmap reverts to the original…
Faun
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What are the exact system requirements for Knative set up? Why the basic setup guide lead me to exhaustion of resource?

I have been trying to set up Knative development environment on my system. But everytime i deploy Istio , the pilot remain in pending state and i find its because of resource exhaustion. I followed basic setup guide from Knative docs. i.e.…
rskcodin
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Unable to deploy using gitlabktl

I have been trying to get a simple Serverless ci/cd working. After resolving quite a few issues and looking at the gitlabktl code (https://gitlab.com/gitlab-org/gitlabktl), I have managed to get to this config: image: golang:latest variables: …
Moon
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Pods is in CrashLoopBackOff and readiness probe failed for C based app

I have a knative setup with two worker nodes. After successfully testing helloworld-go sample program. I tried to wrote a simple C program that just prints environment variable "REQUEST_METHOD" and "QUERY_STRING". However pod status is…
avinashkrc
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Converting microservice to Knative

Knative is currently in alpha. I need to develop a service, so that when knative is released the conversion is straightforward. What type of kubernetes deployed service would most easily be converted to knative? I also will be leveraging Istio. So…
Steven Smart
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How to set a minimum scale to 1 for k-native on GKE?

I installed k-native on my k8s cluster on GKE. Now I am running a test with a sample HelloWorld app. Since I'm running on GKE and paying for the cluster 24/7 it makes no sense to scale a deployment to zero and always have a cold start for the first…
jin c
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Simple HelloWorld app on cloudrun (or knative) seems too slow

I deployed a sample HelloWorld app on Google Cloud Run, which is basically k-native, and every call to the API takes 1.4 seconds at best, in an end-to-end manner. Is it supposed to be so? The sample app is at…
jin c
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Knative security - unable to create a secure TLS connection using gRPC

I need a secure connection to Knative. Tried a milion, and on the top of my head - the following scenario: WORKED: |----------------------------------------------------------------------------|--------------------------------------------| | 1. curl…
Chris G.
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