autoscaler v0.5.0 configurations for https://kazeburo.hatenablog.com/entry/2021/09/27/102524

autoscaler.yaml

resources:
  - type: ServerGroup
    name: "hscale-group"
    zone: "tk1b"

    parent:
      type: ELB
      name: "hscale-elb"
      selector:
        names: ["tk-elb"]

    min_size: 2
    max_size: 5

    shutdown_force: false

    plans:
      - name: smallest
        size: 2
      - name: medium
        size: 3
      - name: largest
        size: 5

    template:
      # tags: [ "tag1", "tag2" ]
      description: "hscale-group"
      interface_driver: "virtio"
      plan:
        core: 1
        memory: 1
        dedicated_cpu: false

      network_interfaces:
        - upstream: "shared" # 共有セグメント
          expose:
            ports: [80]
            server_group_name: "gr1"

      disks:
        - os_type: "almalinux"
          plan: "ssd"
          connection: "virtio"
          size: 20

      edit_parameter:
        disabled: false
        password: ""
        disable_pw_auth: true
        enable_dhcp: false
        change_partition_uuid: true
        ssh_keys:
          - "ssh-ed25519     **********"

        startup_scripts:
          - |
            #!/bin/bash
            sudo yum install -y nginx
            sudo systemctl enable nginx
            echo -e "keepalive_requests 10;\ngzip_proxied any;\ngzip on;\ngzip_http_version 1.0;\ngzip_comp_level 9;\ngzip_types text/html;" > /etc/nginx/conf.d/gzip.conf
            curl https://ja.wikipedia.org/wiki/%E4%B8%96%E7%95%8C%E9%81%BA%E7%94%A3 > /usr/share/nginx/html/sekai.html
            sudo systemctl start nginx
            echo "server name: {{ .Name }}" >  /usr/share/nginx/html/index.html
            echo "OK" > /usr/share/nginx/html/live
            firewall-cmd --permanent --add-service http
            firewall-cmd --reload

# オートスケーラーの動作設定
autoscaler:
  cooldown: 600 # ジョブの連続実行を抑止するためのクールダウン期間を秒数で指定。デフォルト: 600(10分)

autoscaler_core.service

[Unit]
Description=SakuraCloud AutoScaler Core Server

[Service]
User=autoscaler
EnvironmentFile=/etc/autoscaler/core.config
ExecStart=/usr/local/sbin/autoscaler start $OPTIONS
# NginxなどでUNIX domain socketをプロキシしたい場合にコメントを解除する
#ExecStartPost=/bin/bash -c "while [ ! -e /var/run/autoscaler/autoscaler.sock ]; do sleep 1; done; /usr/bin/chmod 0660 /var/run/autoscaler/autoscaler.sock"
Restart=always

[Install]
WantedBy=multi-user.target