Tag: Kubernetes
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Mitigating slow container image pulls on Azure Kubernetes Service
It might happen that you experience slow container image pulls on your Azure Kubernetes Service nodes. First thought might be the Azure Container Registry is the root cause. Even when using the ACR without the geo-replication option enabled, image pulls from an ACR in Europe to AKS nodes running in Australia are fast. Therefore, it…
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Azure Policy for Kubernetes – custom policies on Azure Arc enabled Kubernetes
On September 1st Microsoft announced the public preview of the custom policy support for Azure Policy for AKS. -> https://azure.microsoft.com/en-us/updates/custom-aks-policy-support-now-public-preview/ I am already using the public preview on my AKS cluster and was curious about if this would work as well with Azure Arc enabled Kubernetes. The short answer is yes, but with some minor…
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Local Kubernetes setup with KinD on Podman
In one of my last blog posts I walked you through the setup how to run Podman on macOS with Multipass as Docker for Desktop alternative. -> https://www.danielstechblog.io/running-podman-on-macos-with-multipass/ Today I briefly show you the local Kubernetes setup with KinD on Podman. Even the Podman support of KinD is in an experimental state it runs stable…
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Remove dangling container manifests from Azure Container Registry
The Azure Container Registry offers three different SKUs which differentiate from each other not only from the feature set. Each SKU comes with included storage starting at 10 GB up to 500 GB. Depending on the usage pattern the included storage fills up quickly. This can be due to a lot of different container manifests…
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Monitor the Envoy Proxy ratelimit service with Azure Monitor for containers
The last two blog posts of this series covered the setup of the Envoy Proxy ratelimit service and its implementation with Istio. -> https://www.danielstechblog.io/run-the-envoy-proxy-ratelimit-service-for-istio-on-aks-with-azure-cache-for-redis/ -> https://www.danielstechblog.io/implement-rate-limiting-with-istio-on-azure-kubernetes-service/ In today’s post I walk you through on how to monitor the ratelimit service with Azure Monitor for containers. Not the standard monitoring of the container itself. We focus…
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Implement rate limiting with Istio on Azure Kubernetes Service
In my last blog post I walked you through the setup of the rate limiting reference implementation: The Envoy Proxy ratelimit service. -> https://www.danielstechblog.io/run-the-envoy-proxy-ratelimit-service-for-istio-on-aks-with-azure-cache-for-redis/ Our today’s topic is about connecting the Istio ingress gateway to the ratelimit service. The first step for us is the Istio documentation. -> https://istio.io/latest/docs/tasks/policy-enforcement/rate-limit/ Connect Istio with the ratelimit service…