Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now API Server – It serves as the component where the kubernetes receives the input from the external application or end user. etcd Cluster – It serves as the brain of the kubernetes where the information are stored as a key value pair. kube-scheduler It always run in the background. It is where the pods

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now a) Kubelete Main Kubernetes agent Registers node with cluster (decide who is the master node) Watches api server Instantiates the pods ( not creating the pod) Reports back to master Expose endpoint on 10255 b) kube-proxy Manages the kubernetes networking Assigning pod IP address (indirectly) All containers in a pod share a single IP

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Write down 10 features of Kubernetes with image? Storage orchestration Auto scaling Load balancing Self healing Container grouping using pod Automate roll backs What are the components of Kubernetes master and explain each component’s function? Apiserver: exposes REST APIs. This is the entry point to the k8s cluster. API server access JSON data via

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Below are the main components found on a (worker) node: kubelet – the main service on a node, regularly taking in new or modified pod specifications (primarily through the kube-apiserver) and ensuring that pods and their containers are healthy and running in the desired state. This component also reports to the master on the health

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now kubelet The kubelet takes a set of PodSpecs that are provided through various mechanisms and ensures that the containers described in those PodSpecs are running and healthy. kube-proxy Kube-proxy is a network proxy that runs on each node in your cluster. kube-proxy maintains network rules on nodes. These network rules allow network communication to

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now kubernetes simplifies the data ware house into a cluster, which can operate via a laptop kubernetes help us to scale up our application so fast

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Atomic Unit of kubernetes Pod contains one or more containers A node can have multiple pods pods have few states – pending, running, succeeded/failed pods are ephemeral

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now API Server – provides all the operation on cluster using the API. Control Manager – regulates the state of cluster and performs a task. Cluster Store – stores the configuration information which can be used by each of the nodes Scheduler – distributes the workload.

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now The Kubernetes master runs the Scheduler, Controller Manager, API Server and etcd components and is responsible for managing the Kubernetes cluster. Etcd Etcd is a distributed, consistent key-value store used for configuration management, service discovery, and coordinating distributed work. API Server When you interact with your Kubernetes cluster using the kubectl command-line interface, we are

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Kubernetes master is the in charge of the cluster. Kuberenetes master should be of linux 64 based. The K8’s master have 4 components. They are1. api-server- Server of API’s. It contains all the APIs provided by K8s. It act as the front-end to the control panel, we access via REST API. Similar to ears

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now It is the smallest unit in kubernetes world Pod contain a self sufficient unit, like network It has a life cycle- pending, running , succeded/failed

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now docker – which builds and run the container. kubelet – A service for communication with etcd etc. kube-proxy – it is resposible for managing network. it makes the ports available to external.

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now API Server : The apis to communicate with outside world and between components. It provides api for all the operationsetcd : it is a data store used by Kubernetes to store the config data. All the communication to etcd is via api server Controller Manager: It runs in a loop to check teh state

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now 1.Kubelet Responsible for instantiates the pod. and communicates with master. 2.Kube-proxy Responsible for network management 3.pod pod is a logical entity which contains one or more containers 4.container Where the application is running

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Managing contianers Automatic Scalling Up or down Maintain pods Configuration done by Yaml or Json Manage Mulitple Contianers Always maintain desired Containers Automatic creations of failed contianers

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now kube-apiserver ( Ear ) Need to interact with your Kubernetes cluster? Talk to the API. The Kubernetes API is the front end of the Kubernetes control plane, handling internal and external requests. The API server determines if a request is valid and, if it is, processes it. You can access the API through REST calls, through

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now A Kubernetes cluster consists of a set of worker machines, called nodes, that run containerized applications. Every cluster has at least one worker node.he worker node(s) host the Pods that are the components of the application workload. The control plane manages the worker nodes and the Pods in the cluster. kubelet An agent that runs on each node in the cluster.

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now a) kube-apiserver Server of Api’s Front end to the Master Node Any request from Inside or outside the kubernetes is received by API server Exposes the REST API Consumes JSON (via manifest file) b) Cluser store Persist storage for cluster state and config Uses etcd to manage c) Kube-Controller-Manager Manager/Controller of Controllers such as