<2> 슬랙으로 전달 kwatch?


1

kwatch helps you monitor all changes in your Kubernetes(K8s) cluster, detects crashes in your running apps in realtime, and publishes notifications to your channels (Slack, Discord, etc.



https://github.com/abahmed/kwatch

https://artifacthub.io/packages/helm/kwatch/kwatch

https://kwatch.dev/blog/monitor-pvc-usage



2



# configmap 생성

cat <<EOT > ~/kwatch-config.yaml

apiVersion: v1

kind: Namespace

metadata:

  name: kwatch

---

apiVersion: v1

kind: ConfigMap

metadata:

  name: kwatch

  namespace: kwatch

data:

  config.yaml: |

    alert:

      slack:

        webhook: 'https://hooks.slack.com/services/xxxxxxxxxxxxxxxx'

        title: $NICK-EKS

        #text:

    pvcMonitor:

      enabled: true

      interval: 5

      threshold: 70

EOT

kubectl apply -f kwatch-config.yaml



# 배포

kubectl apply -f https://raw.githubusercontent.com/abahmed/kwatch/v0.8.3/deploy/deploy.yaml





3

잘못된  pod 배포 해서 알람 확인?



# 터미널1

watch kubectl get pod



# 잘못된 이미지 정보의 파드 배포

kubectl apply -f https://raw.githubusercontent.com/junghoon2/kube-books/main/ch05/nginx-error-pod.yml

kubectl get events -w



# 이미지 업데이트 방안2 : set 사용 - iamge 등 일부 리소스 값을 변경 가능!

kubectl set 

kubectl set image pod nginx-19 nginx-pod=nginx:1.19



# 삭제

kubectl delete pod nginx-19





4

kwatch 삭제  ?

kubectl delete -f https://raw.githubusercontent.com/abahmed/kwatch/v0.8.3/deploy/deploy.yaml