Last Week in Kubernetes Development: Week Ending June 16, 2024 -
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In this tutorial for Civo, I delved into the transformative power of the Gateway API in Kubernetes. This robust solution offers advanced capabilities like enhanced features, intricate routing, and broad protocol support. The tutorial highlighted the well-defined roles for infrastructure providers, cluster operators, and application developers, ensuring a seamless and efficient deployment process. Read below. https://lnkd.in/dwUgUh3D
Application Deployment with Kubernetes' API Gateway - Civo.com
civo.com
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Cloud DevOps Engineer |Docker | K8s | GitOps | AWS | Jenkins | Terraform | Helm AWS Certified Solution Architect
📖A small piece of information about the Kubernetes pod eviction. ☸ "Eviction" is the act of killing one or more pods on a node when the node is under resource pressure, kubelet performs eviction. ❄️ To keep our important workloads from the Node-pressure eviction can be achieve by declaring the combination of Priority and QoS. Scheduler will schedule the high priority pod first by evicting lower priority pod from a node if the node has not enough resource. By using PriorityClass, we can define the priority for the pod https://lnkd.in/gD9eHnj3 Definitely we can use the Guaranteed Scheduling For super critical pods by using priorityClassName for that Pod to system-cluster-critical or system-node-critical. System-node-critical is the highest available priority, even higher than system-cluster-critical. Kubernetes relies on QoS classification to make decisions about which Pods to evict when there are not enough available resources on a Node https://lnkd.in/gn6F_7AU Guaranteed - They are guaranteed not to be killed until they exceed their limits or there are no lower-priority Pods that can be preempted from the Node. Burstable - These Pods are evicted only after all BestEffort Pods are evicted. BestEffort - kubelet prefers to evict BestEffort Pods first if the node comes under resource pressure. Kubelet uses a function of priority, usage, and requested resources to determine which pod(s) should be evicted. When pods with the same priority are considered for eviction, the one with the highest percentage of usage over "requests" is the one that is evicted first. That's it for the day🏧. Check for the ✅pros and ❌cons before directly jumping into any of the changes.
Pod Quality of Service Classes
kubernetes.io
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Fourth article on kubernetes series-Introduction to Kubernetes services👇 https://lnkd.in/gFSCU4ir
Introduction to Kubernetes Services(Part 4)
medium.com
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How To Schedule Pods on Kubernetes Master Nodes #WorkSmartWithK8s #kubernetes #masternode #taint #podscheduling https://lnkd.in/eX7smXu4
How To Schedule Pods on Kubernetes Master Nodes
https://computingforgeeks.com
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Test Automation Analyst | Selenium/Java | BDD - Cucumber | Linux, Git, GitHub, Docker, Jenkins & Release Management | Certified Scrum Master | Top Voice - Agile & Software Testing
🚀 #day34 𝗼𝗳 #90daysofdevops : 𝗠𝗮𝘀𝘁𝗲𝗿𝗶𝗻𝗴 𝗞𝘂𝗯𝗲𝗿𝗻𝗲𝘁𝗲𝘀 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 🚀 it's already Day 34 of our #90daysofdevopschallenge intiated by Shubham Londhe 🎉 Today, we delved into the fascinating world of Kubernetes Services. 🐳 🔍 𝗪𝗵𝗮𝘁 𝗔𝗿𝗲 𝗞𝘂𝗯𝗲𝗿𝗻𝗲𝘁𝗲𝘀 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀? Kubernetes Services provide stable network identities to Pods, abstracting away the complexities of managing individual Pod IP addresses. They facilitate seamless communication between Pods, Services, and external clients. 💡 𝗧𝗮𝘀𝗸 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝘀 ��𝗳 𝘁𝗵𝗲 𝘁𝗼𝗱𝗮𝘆'𝘀 𝗯𝗹𝗼𝗴 📌Task 1: Created a Service for our `todo-app` Deployment. 📌 Task 2: Set up a ClusterIP Service for internal cluster communication. 📌 Task 3: Configured a Load Balancer Service for external cluster access. The hands-on experience gained today will be instrumental as we continue our journey into the heart of DevOps and Kubernetes. 🌐 🌟 Let's keep the momentum going! 🌟 🌐📚Learning and growing together – that's what it's all about! 🌐📚 #kubernetescluster #DevOps #ChallengeAccepted #LearningEveryDay #KubernetesAdventures #MicroservicesMagic #TechTalks #StayCurious #automationtesting #devopscommunity #devopstools #90daysofdevops #90daysofdevopschallenge #trainwithshubham #tws #devopscommunity #automationqa #dockercontainer #kubernetescluster #learningprogress #upskillyourself 💥Link to the Full #hashnode #blogpost 📍 https://lnkd.in/dm3ayJEj
Services in Kubernet
vishaltoyou.hashnode.dev
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The Time for a Modern Kubernetes Ingress Option is Here
Spring into Envoy Gateway as project readies version 1.0
https://tfir.io
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What's Container Runtime Interface (CRI) and why Kubernetes needs it? https://zurl.co/tLaA When Kubernetes first appeared, it was using Docker. It was using it in a way, that Docker was basically a required dependency, as many things inside Kubernetes hardcoded it in different ways. At the time, it was a logical choice - Docker was the most popular and feature complete container manager, so building Kubernetes on top of it was good. But then, people wanted Kubernetes to support other container managers and container runtimes. The problem is, if your source code is heavily dependent on one concrete tool, it’s really hard to replace this tool with another one in a way, that both old and new tool are supported. As a result, adding support for the alternative container managers proved to be hard - every container manager had its own specifics, that Kubernetes had to know about to be able to support it. Another issue became apparent - Docker was just too much for Kubernetes. Docker can do the networking, volumes and many other things - and all of those things are already part of the Kubernetes. It stopped making sense to include something this powerful when you only need to do a handful of things with the containers on the Kubernetes node. And that’s how Kubernetes Container Runtime Interface appeared. back in 2016 The idea of K8s CRI is that instead of bundling and supporting many different container runtimes, those runtimes would simply need to comply the CRI standard. Kubernetes, in return, only had to maintain and support this standard and make sure, that any standard compliant runtime will work well. It doesn’t matter if you are using Docker or Podman or anything else, as long as this tool supports the Kubernetes Container Runtime Interface. In theory, you don’t even need to run containers - your CRI-enabled tool could, for example, create virtual machines instead of containers. Well, in practice too, because there are many projects that do exactly that and that are outside the scope of this course. One of the most stable and widely used implementations of the container runtime interface is called Cri-O - and it’s stable enough to be at the core of OpenShift, the Kubernetes distribution used at thousands of companies at small and huge scales.
What's Container Runtime Interface (CRI) and why Kubernetes needs it?
https://www.youtube.com/
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This post explains how to use the new sidecar feature, which enables restartable init containers and is available in alpha in Kubernetes 1.28. We want your feedback so that we can graduate this feature as soon as possible Read more on the following blog article!
Kubernetes v1.28: Introducing native sidecar containers
kubernetes.io
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New Post: How to List All Pods and Its Nodes in Kubernetes
How to List All Pods and Its Nodes in Kubernetes | Baeldung
baeldung.com
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This post explains how to use the new sidecar feature, which enables restartable init containers and is available in alpha in Kubernetes 1.28. We want your feedback so that we can graduate this feature as soon as possible Read more on the following blog article!
Kubernetes v1.28: Introducing native sidecar containers
kubernetes.io
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