Container insights 를 볼수 있도록 설정해보자.





3

별도 터미널에서 모니터링하자

watch -d kubectl get ns -A

default) [root@myeks-host ~]# watch -d kubectl get pod,ds,svc,ep,deployment -A





4

cd ~/environment

mkdir -p manifests/cloudwatch-insight && cd manifests/cloudwatch-insight



네임스페이스 만들기

kubectl create ns amazon-cloudwatch



5

kubectl get ns

NAME                STATUS   AGE

amazon-cloudwatch   Active   8s

cert-manager        Active   138m

default             Active   3h14m

kube-node-lease     Active   3h14m

kube-public         Active   3h14m

kube-system         Active   3h14m





6

 CloudWatch 에이전트 및 Fluent Bit를 설치



변수 설정

ClusterName=eks-demo

RegionName=us-west-1

FluentBitHttpPort='2020'

FluentBitReadFromHead='Off'

[[ ${FluentBitReadFromHead} = 'On' ]] && FluentBitReadFromTail='Off'|| FluentBitReadFromTail='On'

[[ -z ${FluentBitHttpPort} ]] && FluentBitHttpServer='Off' || FluentBitHttpServer='On'



ClusterName=myeks

RegionName=${AWS_REGION}

FluentBitHttpPort='2020'

FluentBitReadFromHead='Off'

[[ ${FluentBitReadFromHead} = 'On' ]] && FluentBitReadFromTail='Off'|| FluentBitReadFromTail='On'

[[ -z ${FluentBitHttpPort} ]] && FluentBitHttpServer='Off' || FluentBitHttpServer='On'



7

배포



curl https://raw.githubusercontent.com/aws-samples/amazon-cloudwatch-container-insights/latest/k8s-deployment-manifest-templates/deployment-mode/daemonset/container-insights-monitoring/quickstart/cwagent-fluent-bit-quickstart.yaml | sed 's/{{cluster_name}}/'${ClusterName}'/;s/{{region_name}}/'${RegionName}'/;s/{{http_server_toggle}}/"'${FluentBitHttpServer}'"/;s/{{http_server_port}}/"'${FluentBitHttpPort}'"/;s/{{read_from_head}}/"'${FluentBitReadFromHead}'"/;s/{{read_from_tail}}/"'${FluentBitReadFromTail}'"/' | kubectl apply -f - 





8

kubectl get po -n amazon-cloudwatch

NAME                     READY   STATUS              RESTARTS   AGE

cloudwatch-agent-gh6lf   0/1     ContainerCreating   0          10s

cloudwatch-agent-jxglj   0/1     ContainerCreating   0          10s

cloudwatch-agent-r2ckc   0/1     ContainerCreating   0          10s

fluent-bit-2x6g8         0/1     ContainerCreating   0          10s

fluent-bit-8mjtp         0/1     ContainerCreating   0          10s

fluent-bit-plfnv         0/1     ContainerCreating   0          10s





9

kubectl get daemonsets -n amazon-cloudwatch

NAME               DESIRED   CURRENT   READY   UP-TO-DATE   AVAILABLE   NODE SELECTOR   AGE

cloudwatch-agent   3         3         3       3            3           <none>          22s

fluent-bit         3         3         3       3            3           <none>          22s





10

console에서 확인

cloudwatch > container insights > resource