azure-az104-flashcards

Azure Kubernetes

• kubelet
• container runtime

  Architecture

  

Azure Kubernetes Lab

1. Kubernetes Service (create)
2. create the deplyment.yml & service.yml.
3. kubernetes/Workloads - add deplyment.yml](configuration/kubernetes/deployment.yml) and service.yml.
4. appcluster/Services and Ingresses
5. app-service with ip and running on external ip (load balancer)

Azure Containier Instances

• enable admin user on container registry
• can connect to either azure registry or docker hub

Azure CNI - Container Networking Interface

Azure CNI (Container Networking Interface) is a networking plugin for Kubernetes clusters running on Microsoft Azure that enables container networking. CNI provides a standardized way for network providers to integrate with container runtimes, allowing containers to communicate with each other and with the outside world. :bangbang:

Kubenet

Nodes get an IP address: Kubenet

Azure Containier Groups

Attach files to POD

• Azure Premium disks (single pod)
• Azure Files (multiple pods)

Calico

Calico enables Kubernetes workloads and non-Kubernetes or legacy workloads to communicate seamlessly and securely. Kubernetes pods are first class citizens on your network and able to communicate with any other workload on your network.

Mount file share as an inline volume

azure-files-pod.yaml

apiVersion: v1
kind: Pod
metadata:
  name: mypod
spec:
  nodeSelector:
    kubernetes.io/os: linux
  containers:
  - image: mcr.microsoft.com/oss/nginx/nginx:1.15.5-alpine
    name: mypod
    resources:
      requests:
        cpu: 100m
        memory: 128Mi
      limits:
        cpu: 250m
        memory: 256Mi
    volumeMounts:
      - name: azure
        mountPath: /mnt/azure
  volumes:
  - name: azure
    csi:
      driver: file.csi.azure.com
      readOnly: false
      volumeAttributes:
        secretName: azure-secret  # required
        shareName: aksshare  # required
        mountOptions: "dir_mode=0777,file_mode=0777,cache=strict,actimeo=30,nosharesock"  #optional

$ kubectl apply -f azure-files-pod.yaml

Source

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