개요
- 카타코더 Kubernetes - Deploy Docker Compose Files with Kompose
- 카타코더 Kubernetes - Deploy Docker Compose with Kompose
Install
master:~$ kubectl get nodes -owide
NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
master Ready master 57s v1.11.3 172.17.0.40 <none> Ubuntu 16.04.2 LTS 4.4.0-62-generic docker://1.13.1
node01 Ready <none> 41s v1.11.3 172.17.0.42 <none> Ubuntu 16.04.2 LTS 4.4.0-62-generic docker://1.13.1
master:~$ curl -L https://github.com/kubernetes/kompose/releases/download/v1.9.0/kompose-linux-amd64 -o /usr/bin/kompose && chmod +x /usr/bin/kompose
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 609 0 609 0 0 846 0 --:--:-- --:--:-- --:--:-- 847
100 45.6M 100 45.6M 0 0 9668k 0 0:00:04 0:00:04 --:--:-- 11.4M
master:~$ kompose version
1.9.0 (093c756)
Up
master:~$ ll
total 32
drwx------ 5 root root 4096 Mar 23 18:32 ./
drwxr-xr-x 22 root root 4096 Apr 25 2018 ../
-rw-r--r-- 1 root root 3291 Oct 13 15:50 .bashrc
drwx------ 2 root root 4096 Mar 23 18:28 .cache/
-rw-r--r-- 1 root root 355 Mar 23 18:32 docker-compose.yml
-rw-r--r-- 1 root root 0 Oct 13 15:49 .hushlogin
drwxr-xr-x 4 root root 4096 Mar 23 18:30 .kube/
-rw-r--r-- 1 root root 148 Aug 17 2015 .profile
drwxr-xr-x 2 root root 4096 Oct 13 15:49 .ssh/
master:~$ cat docker-compose.yml
version: "2"
services:
redis-master:
image: redis:latest
ports:
- "6379"
redis-slave:
image: gcr.io/google_samples/gb-redisslave:v1
ports:
- "6379"
environment:
- GET_HOSTS_FROM=dns
frontend:
image: gcr.io/google-samples/gb-frontend:v3
ports:
- "80:80"
environment:
- GET_HOSTS_FROM=dns
master:~$ kompose up
INFO We are going to create Kubernetes Deployments, Services and PersistentVolumeClaims for your Dockerized application. If you need different kind of resources, use the 'kompose convert' and 'kubectl create -f' commands instead.
INFO Deploying application in "default" namespace
INFO Successfully created Service: frontend
INFO Successfully created Service: redis-master
INFO Successfully created Service: redis-slave
INFO Successfully created Deployment: frontend
INFO Successfully created Deployment: redis-master
INFO Successfully created Deployment: redis-slave
Your application has been deployed to Kubernetes. You can run 'kubectl get deployment,svc,pods,pvc' for details.
master:~$ kubectl get deployment,svc,pods,pvc
NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
deployment.extensions/frontend 1 1 1 1 15s
deployment.extensions/redis-master 1 1 1 1 15s
deployment.extensions/redis-slave 1 1 1 1 15s
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/frontend ClusterIP 10.101.95.235 <none> 80/TCP 15s
service/kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 3m
service/redis-master ClusterIP 10.104.128.14 <none> 6379/TCP 15s
service/redis-slave ClusterIP 10.103.211.45 <none> 6379/TCP 15s
NAME READY STATUS RESTARTS AGE
pod/frontend-7c548dc557-nqtf9 1/1 Running 0 15s
pod/redis-master-6574c44848-ckx79 1/1 Running 0 15s
pod/redis-slave-68b45d6b86-hfd2n 1/1 Running 0 15s
Convert
master:~$ kompose convert
INFO Kubernetes file "frontend-service.yaml" created
INFO Kubernetes file "redis-master-service.yaml" created
INFO Kubernetes file "redis-slave-service.yaml" created
INFO Kubernetes file "frontend-deployment.yaml" created
INFO Kubernetes file "redis-master-deployment.yaml" created
INFO Kubernetes file "redis-slave-deployment.yaml" created
master:~$ ls
docker-compose.yml frontend-service.yaml redis-master-service.yaml redis-slave-service.yaml
frontend-deployment.yaml redis-master-deployment.yaml redis-slave-deployment.yaml
master:~$ kubectl apply -f frontend-service.yaml,redis-master-service.yaml,redis-slave-service.yaml,frontend-deployment.yaml,redis-master-deployment.yaml,redis-slave-deployment.yaml
Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply
service/frontend configured
Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply
service/redis-master configured
Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply
service/redis-slave configured
Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply
deployment.extensions/frontend configured
Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply
deployment.extensions/redis-master configured
Warning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply
deployment.extensions/redis-slave configured
OpenShift
master:~$ kompose --provider openshift convert
INFO OpenShift file "frontend-service.yaml" created
INFO OpenShift file "redis-master-service.yaml" created
INFO OpenShift file "redis-slave-service.yaml" created
INFO OpenShift file "frontend-deploymentconfig.yaml" created
INFO OpenShift file "frontend-imagestream.yaml" created
INFO OpenShift file "redis-master-deploymentconfig.yaml" created
INFO OpenShift file "redis-master-imagestream.yaml" created
INFO OpenShift file "redis-slave-deploymentconfig.yaml" created
INFO OpenShift file "redis-slave-imagestream.yaml" created
Convert To Json
master:~$ kompose convert -j
INFO Kubernetes file "frontend-service.json" created
INFO Kubernetes file "redis-master-service.json" created
INFO Kubernetes file "redis-slave-service.json" created
INFO Kubernetes file "frontend-deployment.json" created
INFO Kubernetes file "redis-master-deployment.json" created
INFO Kubernetes file "redis-slave-deployment.json" created
