Tag: Container
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Using dysk in Azure Kubernetes Service – AKS cluster upgrade and its learnings from it
In one of my previous blog posts I have explained how to use dysk in Azure Kubernetes Service as persistent storage option. -> https://www.danielstechblog.io/using-dysk-in-azure-kubernetes-service-as-persistent-storage-option/ Today we have a look how a Kubernetes version upgrade of an AKS cluster effects dysk in operations and may force you to rethink your chosen Azure VM and OS disk…
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Introducing breaking changes to the IoT Edge VK provider helm chart and deployment templates for Kubernetes
When you are running the IoT Edge VK provider deployed by the previous helm chart, you might have noticed the following log entry querying the virtualkubelet container logs. kubectl logs hub0-iot-edge-connector-6b594c6444-g7mqz virtualkubelet Flag –taint has been deprecated, Taint key should now be configured using the VK_TAINT_KEY environment variable The process to define the taint for…
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Using dysk in Azure Kubernetes Service – updated deployment templates
In one of my last blog posts I have explained how to use dysk in Azure Kubernetes Service as persistent storage option. -> https://www.danielstechblog.io/using-dysk-in-azure-kubernetes-service-as-persistent-storage-option/ Since then some of the dysk parts have been moved to the official Azure GitHub repository. -> https://github.com/Azure/kubernetes-volume-drivers Comparing the deployment templates for the dysk FlexVolume and CSI driver, there is…
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Azure IoT Edge 1.0.2 update issues
During Microsoft Ignite the Azure IoT Edge version 1.0.2 was released with some important improvements like proxy support. -> https://azure.microsoft.com/en-us/updates/iot-edge1-0-2/ Today I updated my two Raspberry Pi’s running Raspbian to the new IoT Edge version. -> https://docs.microsoft.com/en-us/azure/iot-edge/how-to-install-iot-edge-linux-arm#install-the-container-runtime After the update to version 1.0.2 the Azure IoT Edge daemon fails to start. So, I used the…
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View AKS kubelet logs via serial console for Azure VMs
As you may now you can view the kubelet logs from an AKS node for troubleshooting purposes. The guidance provided in the Microsoft documentation lets spin you up a container in the AKS cluster which you then use to jump on the node via an SSH connection. -> https://docs.microsoft.com/en-us/azure/aks/ssh -> https://docs.microsoft.com/en-us/azure/aks/kubelet-logs Another way you can…
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Sending logs from the Azure Kubernetes Service master endpoint to Log Analytics
Azure provides native monitoring capabilities for an Azure Kubernetes Service cluster based on Azure Monitor, Azure Log Analytics and the Container Insights solution. -> https://www.danielstechblog.io/monitor-azure-kubernetes-service-with-azure-monitor-container-health/ But this covers only the part for the agent nodes and the containers that are running on them. If you want to have the logs from the AKS master endpoint,…