DaemonSets in Kubernetes

#kubernetes #daemonsets #devops #fullstackdevelopment
We have learned that Deployments and ReplicaSets are used to ensure that a certain number of pods are always running. These pods may run on different nodes based on the affinity that we give. But in some cases, we need to perform a specific task on every node in the cluster, such as collecting logs or metrics for each node.
In such cases, using Deployments or ReplicaSets does not guarantee that the pod runs on every single node as nodes may get added to the cluster dynamically.
In this video, we will be learning how to perform node-specific tasks, such as collecting logs and metrics by running a pod on all nodes in the cluster using DaemonSets with complete hands-on!
Manifests: github.com/pelthepu/Kubernete...
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Timestamps:
0:00 - Intro
00:52 - DaemonSets
02:39 - DaemonSet Use Cases
03:29 - Prometheus Node Exporter
08:55 - kube-proxy Daemonset
09:47 - Delete Daemonset
My other courses:
Docker Complete Course: • Docker Tutorial | Ful...
Thank you very much!

[@ShaliniNegi24]

Thank you Pavan!!

[@nareshv2630]

With all perfection 🎉🎉

[@PavanElthepu]

Thank you Naresh. May be that is the reason, why I take time to upload new videos😊

[@nehapal637]

Thank you Pavan, It was to the point and I understood this concept

[@PavanElthepu]

Thank you Neha. Please subscribe and share with your friends and colleagues

[@avantshiv]

Thank you so much Pavan that was crisp and to the point. Learnt extra commands like port-exporter and cascade. Thank you again!

[@PavanElthepu]

Thank you Avant. Please subscribe and share with your friends and colleagues

[@avantshiv]

@@PavanElthepu done and shared in our WhatsApp group

[@PavanElthepu]

Thank you so much Avant

[@vvncreation8138]

Brother last one of month back I can following ur kubernets videos .... and Good Explaintion Brother ... I am Real Happy ...Tq 🙏🙏

[@PavanElthepu]

Thank you so much. Please subscribe and share with your friends and colleagues🙏

[@asmaayesha]

Thanks for wonderful explanation please explain even helm charts and terraform

[@PavanElthepu]

Releasing first video on HELM in 10 days. Stay Tuned

[@RaviSharma-th9fi]

hey pawan you doing great job, please make video on Kubernetes networking and helm chart

[@PavanElthepu]

Sure Ravi. Please subscribe and share with your friends and colleagues

[@RaviSharma-th9fi]

Sure Pawan🤗

[@AmitShorts]

Please make a video on loadbalancer service type, how to install aws load balancer controller on kubeadm setup

[@PavanElthepu]

Sure Amit. Noted!

[@SatyaPrakash-jk8fp]

If cluster having 30 nodes and out of which 26 nodes running Prometheus as a pod will it consider as daemonset or not Please help me to clarify this question Thanks

[@PavanElthepu]

Yes, if you're running it as a Daemonset. Please note that, we can give nodeSelector to Daemonset to run the pods only one selected nodes. It's not mandatory that a daemonset pod should run on every node of the cluster. I hope I answered your question

[@vvncreation8138]

if u Don't mind can u explain about monitroring

[@PavanElthepu]

Sure

[@surajpasupuleti7650]

what is port forwarding ? Could you please explain LocalhostPort: ContainerPort ? 9000:9000 means

[@PavanElthepu]

In the context of Kubernetes, port forwarding refers to a feature that allows you to access services running inside Kubernetes clusters from your local machine or another network location. It provides a convenient way to establish a connection to a specific pod or service without exposing it to the public internet. Container Port means, on which port your service is running inside container. Local Port means, on which port you want to access the K8s service from your local.

[@sagartalreja6384]

@@PavanElthepu I dont see metric data loading on browser..what can be the issue?

[@PavanElthepu]

What’s the url you’re trying to access? And what do you see?

[@rohanrustagi7857]

sir can we say kubelet also a daemonset, as its also meant to be present in every node

[@PavanElthepu]

No Rohan. Kubelet is not a daemonset although it is commonly deployed on nodes as a daemon.