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Instalasi di GKE

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Chetabahana edited this page Mar 25, 2019 · 2 revisions

Sesi ini kita akan kupas tentang cara mempersiapkan Intalasi Saleor - Docker ke GKE.

Table of Contents

Membuat Aplikasi

Langkah selanjutnya kita siapkan image untuk kita upload ke Google Kubernetes Engine (GKE). GKE ini dapat menerima image dari docker, untuk itu kita clone projek kita di GitHub sebagai berikut:


Update 

gcloud components update

Project ID 

export PROJECT_ID="$(gcloud config get-value project -q)"
echo "${PROJECT_ID}"

git clone https://github.com/MarketLeader/Tutorial-Buka-Toko

Siapkan Python & pip

https://linuxbrew.sh/ 

sh -c "$(curl -fsSL https://raw.githubusercontent.com/Linuxbrew/install/master/install.sh)"
test -d ~/.linuxbrew && eval $(~/.linuxbrew/bin/brew shellenv)
test -d /home/linuxbrew/.linuxbrew && eval $(/home/linuxbrew/.linuxbrew/bin/brew shellenv)
test -r ~/.bash_profile && echo "eval \$($(brew --prefix)/bin/brew shellenv)" >>~/.bash_profile
echo "eval \$($(brew --prefix)/bin/brew shellenv)" >>~/.profile

https://docs.getsaleor.com/en/latest/customization/backend.html#managing-dependencies 

brew install pipenv
pip install --user --upgrade pipenv
export PATH=$PATH:/home/chetabahana/.local/bin

https://docs.getsaleor.com/en/latest/customization/backend.html#managing-dependencies 

cd Tutorial-Buka-Toko
pipenv lock -r > requirements.txt
pipenv lock -r --dev > requirements_dev.txt

Registry

Upload ke registry

Kemudian dengan menggunakan PROJECT_ID kita buat image docker yang akan ditempatkan di Google Container Registry (GCR) sebagai berikut: 

sudo usermod -a -G docker ${USER}
pipenv lock
docker run busybox date

docker build -t chetabahana-app .
docker images
Langkah ini akan menginstruksikan Google Cloud untuk mencari file yg bernama Dockerfile kemudian membuat image sesuai konfigurasi di file tsb dan test hasil seperti berikut: 
REPOSITORY             TAG   IMAGE ID       CREATED          SIZE
chetabahana-app        v1    25cfadb1bf28   10 seconds ago   54 MB

Upload ke registry

Kemudian kita upload image ini ke GCR sehingga dapat dijalankan oleh GKE: 

gcloud auth configure-docker
gcloud container images delete gcr.io/${PROJECT_ID}/chetabahana-app:latest --force-delete-tags
docker tag chetabahana-app ${PROJECT_ID}/chetabahana-app:latest
docker push gcr.io/${PROJECT_ID}/chetabahana-app:latest

Kubernetes

Menyiapkan Kluster

Jika akun Google Cloude Anda belum membuat Kluster silahkan klik gambar berikut kemudian tekan Buat Kluster pada Projek sesuai PROJECT_ID.

Setelah image yang ditempatkan di GCR dapat dijalankan oleh GKE maka kita perlu membuat Kluster. Kluster ini menampung Instances yang menjalankan Mesin Kubernetes terdiri dari 1 Master dan beberapa Cabang (default=3 Nodes). 

gcloud container clusters create tutorial-cluster --num-nodes=3
Output 
NAME              LOCATION       MASTER_VERSION  MASTER_IP      MACHINE_TYPE   NODE_VERSION   NUM_NODES  STATUS
tutorial-cluster  us-central1-b  1.10.11-gke.1   35.202.195.36  n1-standard-1  1.10.11-gke.1  3          RUNNING
Untuk melihat detil 
gcloud compute instances list
Output 
NAME                                             ZONE           MACHINE_TYPE   PREEMPTIBLE  INTERNAL_IP  EXTERNAL_IP     STATUS
gke-tutorial-cluster-default-pool-f933fac2-23ww  us-central1-b  n1-standard-1               10.128.0.2   35.193.111.238  RUNNING
gke-tutorial-cluster-default-pool-f933fac2-8mt4  us-central1-b  n1-standard-1               10.128.0.3   35.188.118.200  RUNNING
gke-tutorial-cluster-default-pool-f933fac2-m2qn  us-central1-b  n1-standard-1               10.128.0.4   35.188.221.100  RUNNING

Deploy ke kluster 

kubectl run tutorial-web --image=gcr.io/${PROJECT_ID}/tutorial-app:v1 --port 8080
kubectl get pods

Expose ke Internet 

kubectl expose deployment tutorial-web --type=LoadBalancer --port 80 --target-port 8080
kubectl get service

Scale up 

kubectl scale deployment tutorial-web  --replicas=3
kubectl get deployment tutorial-web

Compose

Build the containers using docker-compose 

$ docker-compose build
Prepare the database 
$ docker-compose run --rm web python3 manage.py migrate
$ docker-compose run --rm web python3 manage.py collectstatic
$ docker-compose run --rm web python3 manage.py populatedb --createsuperuser
The --createsuperuser argument creates an admin account for [email protected] with the password set to admin.

Run the containers 

$ docker-compose up
By default, the application is started in debug mode and is configured to listen on port 8000.

Deploy versi terbaru 

docker build -t gcr.io/${PROJECT_ID}/tutorial-app:v2 .
docker push gcr.io/${PROJECT_ID}/tutorial-app:v2
kubectl set image deployment/tutorial-web tutorial-web=gcr.io/${PROJECT_ID}/tutorial-app:v2

Unistall 

kubectl delete service tutorial-web
gcloud container clusters delete tutorial-cluster

Reistall 

SET PROJECT_ID="$(gcloud config get-value project -q)"

kubectl delete service tutorial-web 
gcloud container clusters delete cluster-zone-a --zone=asia-southeast1-a
gcloud container clusters delete cluster-zone-b --zone=asia-southeast1-b
gcloud container clusters delete cluster-zone-c --zone=asia-southeast1-c

gcloud config set compute/region asia-southeast1
export REGION="asia-southeast1"

export CLUSTER="cluster-zone-a"
gcloud config set compute/zone asia-southeast1-a
export ZONE="asia-southeast1-a"

gcloud config list
gcloud container clusters create $CLUSTER \
--zone=${ZONE} --num-nodes=1 --preemptible \
--enable-autoscaling --min-nodes=1 --max-nodes=2 \
--enable-autorepair --enable-autoupgrade --enable-basic-auth \
--issue-client-certificate

export CLUSTER="cluster-zone-b"
gcloud config set compute/zone asia-southeast1-b
export ZONE="asia-southeast1-b"

gcloud config list
gcloud container clusters create $CLUSTER \
--zone=${ZONE} --num-nodes=1 --preemptible \
--enable-autoscaling --min-nodes=1 --max-nodes=2 \
--enable-autorepair --enable-autoupgrade --enable-basic-auth \
--issue-client-certificate

export CLUSTER="cluster-zone-c"
gcloud config set compute/zone asia-southeast1-c
export ZONE="asia-southeast1-c"

gcloud config list
gcloud container clusters create $CLUSTER \
--zone=${ZONE} --num-nodes=1 --preemptible \
--enable-autoscaling --min-nodes=1 --max-nodes=2 \
--enable-autorepair --enable-autoupgrade --enable-basic-auth \
--issue-client-certificate
Jalankan 
kubectl get deployments --all-namespaces
kubectl delete deployment chetabahana-web

kubectl run chetabahana-web --image=gcr.io/${PROJECT_ID}/chetabahana-app:v1.0.0 --port 8080  --env="key=value"
kubectl get pods

kubectl delete service chetabahana-web
kubectl expose deployment chetabahana-web --type=LoadBalancer --port 80 --target-port 8080
kubectl get service

kubectl scale deployment chetabahana-web --replicas=3
kubectl get deployment chetabahana-web
kubectl get pods


gcloud compute instances list
Output 
NAME                                           ZONE               MACHINE_TYPE   PREEMPTIBLE  INTERNAL_IP  EXTERNAL_IP     STATUS
gke-cluster-zone-a-default-pool-6d271c23-2kn8  asia-southeast1-a  n1-standard-1  true         10.148.0.6   35.187.254.63   RUNNING
gke-cluster-zone-b-default-pool-c91eed2b-1sq1  asia-southeast1-b  n1-standard-1  true         10.148.0.8   35.187.249.45   RUNNING
gke-cluster-zone-b-default-pool-c91eed2b-lj4v  asia-southeast1-b  n1-standard-1  true         10.148.0.7   35.247.167.36   RUNNING
gke-cluster-zone-c-default-pool-76541e4a-bs06  asia-southeast1-c  n1-standard-1  true         10.148.0.9   35.247.189.230  RUNNING
gke-cluster-zone-c-default-pool-76541e4a-dgv2  asia-southeast1-c  n1-standard-1  true         10.148.0.10  35.198.221.75   RUNNING

Setel Aplikasi

Penyetelan Aplikasi

Referensi

License

This documentation is mapped under Mapping and licensed under Apache License, Version 2.0.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright (c) 2018-2020 Chetabahana Project

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