Terraform Kullanımı https://medium.com/@s4l1h/terraform-kullan%C4%B1m%C4%B1-b9719e96d609

squid.conf

acl CONNECT method CONNECT
# line 919: add (define ACL for internal)
acl lan src 10.0.0.0/24
http_access allow localhost
# line 1058: add (set ACL for internal)
http_access allow lan
http_access allow all
http_port 3120
via off
forwarded_for delete
cache deny all

squid.tf

# squid.tf dosyası
# https://medium.com/@s4l1h/terraform-kullan%C4%B1m%C4%B1-b9719e96d609
variable "do_token" {
  default =  "<<<<<<digitalocean token>>>>>>>>"
}
# ssh-keygen -t rsa -f ./id_rsa
variable "pub_key" {
  default = "./id_rsa.pub"
}
variable "pvt_key" {
  default="./id_rsa"
}
variable "ssh_fingerprint" {
  default="f2:73:1b:f7:4a:54:2e:e0:f4:84:f8:b2:e6:fd:75:71" # ssh-keygen -E md5 -lf ./id_rsa | awk '{print $2}'
}
provider "digitalocean" {
  token = "${var.do_token}"
}
resource "digitalocean_droplet" "squid" {
    image = "debian-9-x64"
    name="squid" 
    region = "lon1"
    size = "512mb"
    private_networking = true
    ssh_keys = [
      "${var.ssh_fingerprint}"
    ]
    connection {
      user = "root"
      type = "ssh"
      private_key = "${file(var.pvt_key)}"
      timeout = "2m"
    }
    provisioner "remote-exec" {
        inline = [
        # update and install ntp,curl,htop,squid
        "sudo apt-get update",
        "sudo apt-get -y install ntp curl htop squid"
        ]
    }
    provisioner "file" {
      source      = "squid.conf"
      destination = "/etc/squid/squid.conf"
    }
    provisioner "remote-exec" {
        inline = [
            "systemctl restart squid"
        ]
    }
    provisioner "local-exec" {
      command="rm ip.txt" #eski ip.txt dosyasını sil
      on_failure = "continue" # hata verirse devam et
    }
    provisioner "local-exec" {
      command="echo ${self.ipv4_address} >> ip.txt" # ip adresini ip.txt yaz.
    }
}

output "ip" {
  value = "${digitalocean_droplet.squid.ipv4_address}"
}

squidMulti.tf

# squidMulti.tf dosyası Count kullanarak çoklu sunucu oluşturmak için
# https://medium.com/@s4l1h/terraform-kullan%C4%B1m%C4%B1-b9719e96d609
variable "do_token" {
  default =  "<<<<<<digitalocean token>>>>>>>>"
}
# ssh-keygen -t rsa -f ./id_rsa
variable "pub_key" {
  default = "./id_rsa.pub"
}
variable "pvt_key" {
  default="./id_rsa"
}
variable "ssh_fingerprint" {
  default="f2:73:1b:f7:4a:54:2e:e0:f4:84:f8:b2:e6:fd:75:71" # ssh-keygen -E md5 -lf ./id_rsa | awk '{print $2}'
}
provider "digitalocean" {
  token = "${var.do_token}"
}
resource "digitalocean_droplet" "squid" {
    count=10
    image = "debian-9-x64"
    name="squid-${count.index}"
    region = "lon1"
    size = "512mb"
    private_networking = true
    ssh_keys = [
      "${var.ssh_fingerprint}"
    ]
    connection {
      user = "root"
      type = "ssh"
      private_key = "${file(var.pvt_key)}"
      timeout = "2m"
    }
    provisioner "remote-exec" {
        inline = [
        # update and install ntp,curl,htop,squid
        "sudo apt-get update",
        "sudo apt-get -y install ntp curl htop squid"
        ]
    }
    provisioner "file" {
      source      = "squid.conf"
      destination = "/etc/squid/squid.conf"
    }
    provisioner "remote-exec" {
        inline = [
            "systemctl restart squid"
        ]
    }
    provisioner "local-exec" {
      command="rm ip.txt" #eski ip.txt dosyasını sil
      on_failure = "continue" # hata verirse devam et
    }
    provisioner "local-exec" {
      command="echo ${self.ipv4_address} >> ip.txt" # ip adresini ip.txt yaz.
    }
}

output "ip" {
  value = "${digitalocean_droplet.squid.*.ipv4_address}"
}