Questions tagged [aks]

AKS (Azure Kubernetes Service) is a managed Kubernetes service provided by Microsoft Azure.

84 questions
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"Context deadline exceeded" preventing pods from being created in AKS

We have been experiencing an issue causing us pain for the last few months. The issue appears to be that occasionally when we request a pod via the Kubernetes executor it fails to create. For example, a spark pod may fail with the following…
4
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1 answer

AKS version upgrade error: Operation failed with status: 'Conflict'. Details: Upgrades are disallowed while cluster is in a failed state

I noticed that one of AKS services is in the failed state. When I went to diagnostics, I found out that current version is not supported anymore. So I tried to follow instructions stated here:…
4
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2 answers

Why are pods failing to schedule due to resources when node has plenty available?

The pods in my application scale with 1 pod per user (each user gets their own pod). I have the limits for the application container set up like so: resources: limits: cpu: 250m memory: 768Mi requests: cpu: 100m …
Ben Davis
  • 330
4
votes
2 answers

How to find out IOPS disk usage by pod/container on k8s nodes?

My vms have been hard hit by IOPS (Causing network errors and other strange behavior) and I wonder what of my pods is causing it (if any) - how can I find out? I couldn't find a clear tool providing this info. I'll be glad for any clues (Cluster…
alonisser
  • 193
3
votes
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How to move kubernetes to a different subscription in azure?

I have two subscriptions under my account. When I check today, the balance is low in my subscription where I deployed the cluster. So, I click on change subscription option and selected the second subscription in my account. But, getting below…
uday
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curl & wget cannot resolve internal dns names within the aks cluster but nslookup , host , dig work fine

I have a managed kubernetes instance on azure. I am very sure that the core dns is working and the dns pods are healthy. I have a couple of services frontend-service with one pod - Image [nginx-alpine] which has the static frontend…
jkalwar
  • 51
2
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1 answer

What does the MEMORY(bytes) value mean in "kubectl top nodes" on Windows AKS nodes?

When I run kubectl top nodes on my Azure Kubernetes Services cluster with Windows nodes, I get a value back for MEMORY(bytes): PS >kubectl top nodes NAME CPU(cores) CPU% MEMORY(bytes) MEMORY% ... akswinxxxxxxxxx …
2
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1 answer

Azure App Gateway warning about Public IP

I am using the Azure App Gateway v2 and the App Gateway Ingress Controller as a public frontend to an AKS cluster. Following the guidance in this doc, I created and associated the IP address to my gateway without issue. However, when I inspect the…
2
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2 answers

How does Azure Loadbalancer work with Azure AKS

I recently tried to figure out how an Azure Loadbalancer in front of an Azure AKS cluster actually routes traffic to the cluster nodes. Our (quite basic) setup: AKS cluster version 1.23.x with the default Azure Loadbalancer in front of it Traefik…
2
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0 answers

ETCD snapshots causing etcdserver: leader changed

For a while now we've experienced regular errors from operations on kube API in AKS resulting in etcdserver: leader changed message. From what we've learned there is an ETCD snapshot performed every 2h on AKS resulting in this leader change. This 2h…
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1 answer

Does Azure Application Gateway support gRPC connections?

I've set up an Azure Application Gateway with Azure Kubernetes Service using the Azure Application Gateway Ingress Controller (AGIC) and confirmed that it's working correctly using the sample guestbook app. I then used almost the exact configuration…
1
vote
1 answer

error reading configuration while deploying to aks

I am using Azure devops for regulation CI/CD in my project , i have a kubernetes cluster running through aks(azure kubernetes service) , i have used azure repo and everything and , every required file(viz. azure-pipeline file and services and…
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How to bring my windows AKS windows node back to sanity (memory wise) after having run a very RAM intensive workload?

I have an AKS windows node pool. Here is its host memory breakdown before running the heavy RAM intensive workload for over 4 hours: PS C:\hpc> Get-Counter "\Memory\Pool Nonpaged Bytes", "\Memory\Pool Paged Bytes", "\Memory\System Cache Resident…
mark
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Is it possible to trigger a Grafana Notification Policy from a Prometheus alert?

Is it possible to trigger a Grafana Notification Policy from a Prometheus alert JUST using Labels. Scenario... -Grafana configured with a Notification Policy with a label (team=devops) -AKS with Prometheus configured with some alerts that have the…
jpepp32
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How to restrict Entra ID users to specific Azure aks namespaces with kubernetes rbac

I have deployed a AKS cluster using Entra ID for authentication and Kubernetes RBAC for authorization. When deploying I have specified a admins group for use with aks as an admin group: azure_active_directory_role_based_access_control { …
sm0ke21
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