https://cloud.google.com/load-balancing/docs/tcp/setting-up-tcp?hl=ja
-- 1. 前作業
gcloud init
gcloud auth list
gcloud --version
gcloud projects create project01-9999999 \
--name="project01"
gcloud config list
gcloud config set project project01-9999999
gcloud config set compute/region us-east1 --quiet
gcloud config set compute/zone us-east1-b --quiet
gcloud beta billing accounts list
gcloud beta billing projects link project01-9999999 --billing-account=111111-111111-111111
gcloud services enable compute.googleapis.com --project project01-9999999
-- 2. インスタンス グループのバックエンドを構成する
gcloud compute instances create vm01a \
--image-family debian-11 \
--image-project debian-cloud \
--tags tag01 \
--zone asia-northeast1-a \
--metadata startup-script="#! /bin/bash
sudo apt-get update
sudo apt-get install apache2 -y
sudo sed -i '/Listen 80/c\Listen 110' /etc/apache2/ports.conf
sudo service apache2 restart
echo '<!doctype html><html><body><h1>vm01a</h1></body></html>' | tee /var/www/html/index.html
EOF"
gcloud compute instances create vm02a \
--image-family debian-11 \
--image-project debian-cloud \
--tags tag01 \
--zone asia-northeast1-a \
--metadata startup-script="#! /bin/bash
sudo apt-get update
sudo apt-get install apache2 -y
sudo sed -i '/Listen 80/c\Listen 110' /etc/apache2/ports.conf
sudo service apache2 restart
echo '<!doctype html><html><body><h1>vm02a</h1></body></html>' | tee /var/www/html/index.html
EOF"
gcloud compute instances create vm01b \
--image-family debian-11 \
--image-project debian-cloud \
--tags tag01 \
--zone us-east1-b \
--metadata startup-script="#! /bin/bash
sudo apt-get update
sudo apt-get install apache2 -y
sudo sed -i '/Listen 80/c\Listen 110' /etc/apache2/ports.conf
sudo service apache2 restart
echo '<!doctype html><html><body><h1>vm01b</h1></body></html>' | tee /var/www/html/index.html
EOF"
gcloud compute instances create vm02b \
--image-family debian-11 \
--image-project debian-cloud \
--tags tag01 \
--zone us-east1-b \
--metadata startup-script="#! /bin/bash
sudo apt-get update
sudo apt-get install apache2 -y
sudo sed -i '/Listen 80/c\Listen 110' /etc/apache2/ports.conf
sudo service apache2 restart
echo '<!doctype html><html><body><h1>vm02b</h1></body></html>' | tee /var/www/html/index.html
EOF"
-- 3. インスタンス·グループを作成する
gcloud compute instance-groups unmanaged create ig01a \
--zone asia-northeast1-a
gcloud compute instance-groups set-named-ports ig01a \
--named-ports tcp110:110 \
--zone asia-northeast1-a
gcloud compute instance-groups unmanaged add-instances ig01a \
--instances vm01a,vm02a \
--zone asia-northeast1-a
gcloud compute instance-groups unmanaged create ig01b \
--zone us-east1-b
gcloud compute instance-groups set-named-ports ig01b \
--named-ports tcp110:110 \
--zone us-east1-b
gcloud compute instance-groups unmanaged add-instances ig01b \
--instances vm01b,vm02b \
--zone us-east1-b
-- 4. 外部プロキシ ネットワーク ロードバランサにファイアウォール ルールを作成する
gcloud compute firewall-rules create fw01 \
--source-ranges 130.211.0.0/22,35.191.0.0/16 \
--target-tags tag01 \
--allow tcp:110
-- 5. ロードバランサを構成する
gcloud compute health-checks create tcp hc01 --port 110
gcloud compute backend-services create be01 \
--load-balancing-scheme EXTERNAL \
--global-health-checks \
--global \
--protocol TCP \
--health-checks hc01 \
--timeout 5m \
--port-name tcp110
gcloud compute backend-services add-backend be01 \
--global \
--instance-group ig01a \
--instance-group-zone asia-northeast1-a \
--balancing-mode UTILIZATION \
--max-utilization 0.8
gcloud compute backend-services add-backend be01 \
--global \
--instance-group ig01b \
--instance-group-zone us-east1-b \
--balancing-mode UTILIZATION \
--max-utilization 0.8
gcloud compute target-tcp-proxies create ttp01 \
--backend-service be01 \
--proxy-header NONE
gcloud compute addresses create pip01 \
--ip-version=IPV4 \
--global
gcloud compute forwarding-rules create fr01 \
--load-balancing-scheme EXTERNAL \
--global \
--target-tcp-proxy ttp01 \
--address pip01 \
--ports 110
-- 6. ロードバランサをテストする
gcloud compute addresses describe pip01 --global
while true; do
curl -m1 192.0.2.1:110
date
sleep 5;
done
-- 7. クリーンアップ
gcloud compute forwarding-rules delete fr01 --global --quiet
gcloud compute target-tcp-proxies delete ttp01 --quiet
gcloud compute backend-services delete be01 --global --quiet
gcloud compute instance-groups unmanaged delete ig01a --zone asia-northeast1-a --quiet
gcloud compute instance-groups unmanaged delete ig01b --zone us-east1-b --quiet
gcloud compute instances delete vm01a --zone asia-northeast1-a --quiet
gcloud compute instances delete vm02a --zone asia-northeast1-a --quiet
gcloud compute instances delete vm01b --zone us-east1-b --quiet
gcloud compute instances delete vm02b --zone us-east1-b --quiet
gcloud projects list
gcloud projects delete project01-9999999 -q
gcloud beta billing projects unlink project01-9999999
