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Kubernetes - Coggle Diagram

- - - - Rollout/ Roll back a ReplicaSet
      - Provides declarative updates for Pods and ReplicaSets
      - Scale up the deployment
    - - ClusterIP
        
        內部ip
      - NodePort
        
        可對外IP
        
        用在DEV
      - LoadBalancer
        
        同一種pod使用
        
        同時只允許訪問一個Pod
      - Ingress
        
        不同pod使用
    - - Persistence Volume Claim(pvc)
        
        預計要求的儲存空間請求
      - Persistence Volume(pv)
        
        實際分配儲存空間
    - - secret
- - - - kube-apiserver
        
        exposes the Kubernetes API
      - kube-controller-manager
        
        A binary that runs controllers, which are the background threads that handle routine
        tasks in the cluster
      - etcd
        
        used as Kubernetes’ backing store
      - kube-scheduler
        
        watches newly created pods that have no node assigned, and selects a node for them to run on.
    - - kubelet
        
        the primary node agent
      - kube-proxy
        
        enables the Kubernetes service abstraction by maintaining network rules on the host and performing connection forwarding
      - pod
        
        used for actually running containers
        
        docker
        
        rkt
    - - Group + segment pods, rcs, volumes and secrets from each other
    - - Annotations are not used to identify and select objects
      - Use Case
        
        Default/auto-generated configuration
        
        Build, release, or image information like timestamps, release IDs,git branch, PR numbers, image hashes, and registry address.
        
        Phone or pager numbers of persons responsible
        
        Directory entries that specify where that information can be found, such as a team web site.
    - - YAML file describes the required fields and object spec for
        Kubernetes