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# provider "azurerm" {
# subscription_id = "${var.subscription_id}"
# client_id = "${var.client_id}"
# client_secret = "${var.client_secret}"
# tenant_id = "${var.tenant_id}"
# }
# ********************** MYSQL REPLICATION ********************** #
resource "azurerm_resource_group" "rg" {
name = "${var.resource_group}"
location = "${var.location}"
}
# ********************** VNET / SUBNET ********************** #
resource "azurerm_virtual_network" "vnet" {
name = "${var.virtual_network_name}"
resource_group_name = "${azurerm_resource_group.rg.name}"
location = "${azurerm_resource_group.rg.location}"
address_space = ["${var.vnet_address_prefix}"]
}
resource "azurerm_subnet" "db_subnet" {
name = "${var.db_subnet_name}"
virtual_network_name = "${azurerm_virtual_network.vnet.name}"
resource_group_name = "${azurerm_resource_group.rg.name}"
network_security_group_id = "${azurerm_network_security_group.nsg.id}"
address_prefix = "${var.db_subnet_address_prefix}"
depends_on = ["azurerm_virtual_network.vnet"]
}
# ********************** STORAGE ACCOUNTS ********************** #
resource "azurerm_storage_account" "stor" {
name = "${var.unique_prefix}${var.storage_account_name}"
resource_group_name = "${azurerm_resource_group.rg.name}"
location = "${azurerm_resource_group.rg.location}"
account_tier = "${var.storage_account_tier}"
account_replication_type = "${var.storage_replication_type}"
}
# ********************** NETWORK SECURITY GROUP ********************** #
resource "azurerm_network_security_group" "nsg" {
name = "${var.unique_prefix}-nsg"
resource_group_name = "${azurerm_resource_group.rg.name}"
location = "${azurerm_resource_group.rg.location}"
security_rule {
name = "allow-ssh"
description = "Allow SSH"
priority = 100
direction = "Inbound"
access = "Allow"
protocol = "Tcp"
source_port_range = "*"
destination_port_range = "22"
source_address_prefix = "Internet"
destination_address_prefix = "*"
}
security_rule {
name = "MySQL"
description = "MySQL"
priority = 110
direction = "Inbound"
access = "Allow"
protocol = "Tcp"
source_port_range = "*"
destination_port_range = "3306"
source_address_prefix = "*"
destination_address_prefix = "*"
}
}
# ********************** PUBLIC IP ADDRESSES ********************** #
resource "azurerm_public_ip" "pip" {
name = "${var.public_ip_name}"
location = "${azurerm_resource_group.rg.location}"
resource_group_name = "${azurerm_resource_group.rg.name}"
public_ip_address_allocation = "Static"
domain_name_label = "${var.dns_name}"
}
# ********************** AVAILABILITY SET ********************** #
resource "azurerm_availability_set" "availability_set" {
name = "${var.dns_name}-set"
location = "${azurerm_resource_group.rg.location}"
resource_group_name = "${azurerm_resource_group.rg.name}"
}
# ********************** NETWORK INTERFACES ********************** #
resource "azurerm_network_interface" "nic" {
name = "${var.nic_name}${count.index}"
location = "${azurerm_resource_group.rg.location}"
resource_group_name = "${azurerm_resource_group.rg.name}"
network_security_group_id = "${azurerm_network_security_group.nsg.id}"
count = "${var.node_count}"
depends_on = ["azurerm_virtual_network.vnet", "azurerm_public_ip.pip", "azurerm_lb.lb"]
ip_configuration {
name = "ipconfig${count.index}"
subnet_id = "${azurerm_subnet.db_subnet.id}"
private_ip_address_allocation = "Static"
private_ip_address = "10.0.1.${count.index + 4}"
load_balancer_backend_address_pools_ids = ["${azurerm_lb_backend_address_pool.backend_pool.id}"]
load_balancer_inbound_nat_rules_ids = [
"${element(azurerm_lb_nat_rule.NatRule0.*.id, count.index)}",
"${element(azurerm_lb_nat_rule.MySQLNatRule0.*.id, count.index)}",
"${element(azurerm_lb_nat_rule.ProbeNatRule0.*.id, count.index)}",
]
}
}
# ********************** LOAD BALANCER ********************** #
resource "azurerm_lb" "lb" {
name = "${var.dns_name}-lb"
location = "${azurerm_resource_group.rg.location}"
resource_group_name = "${azurerm_resource_group.rg.name}"
depends_on = ["azurerm_public_ip.pip"]
frontend_ip_configuration {
name = "${var.dns_name}-sshIPCfg"
public_ip_address_id = "${azurerm_public_ip.pip.id}"
}
}
resource "azurerm_lb_backend_address_pool" "backend_pool" {
resource_group_name = "${azurerm_resource_group.rg.name}"
loadbalancer_id = "${azurerm_lb.lb.id}"
name = "${var.dns_name}-ilbBackendPool"
}
# ********************** LOAD BALANCER INBOUND NAT RULES ********************** #
resource "azurerm_lb_nat_rule" "NatRule0" {
name = "${var.dns_name}-NatRule-${count.index}"
resource_group_name = "${azurerm_resource_group.rg.name}"
loadbalancer_id = "${azurerm_lb.lb.id}"
protocol = "tcp"
frontend_port = "6400${count.index + 1}"
backend_port = 22
frontend_ip_configuration_name = "${var.dns_name}-sshIPCfg"
count = "${var.node_count}"
depends_on = ["azurerm_lb.lb"]
}
resource "azurerm_lb_nat_rule" "MySQLNatRule0" {
name = "${var.dns_name}-MySQLNatRule-${count.index}"
resource_group_name = "${azurerm_resource_group.rg.name}"
loadbalancer_id = "${azurerm_lb.lb.id}"
protocol = "tcp"
frontend_port = "330${count.index + 6}"
backend_port = 3306
frontend_ip_configuration_name = "${var.dns_name}-sshIPCfg"
count = "${var.node_count}"
depends_on = ["azurerm_lb.lb"]
}
resource "azurerm_lb_nat_rule" "ProbeNatRule0" {
name = "${var.dns_name}-ProbeNatRule-${count.index}"
resource_group_name = "${azurerm_resource_group.rg.name}"
loadbalancer_id = "${azurerm_lb.lb.id}"
protocol = "tcp"
frontend_port = "920${count.index}"
backend_port = 9200
frontend_ip_configuration_name = "${var.dns_name}-sshIPCfg"
count = "${var.node_count}"
depends_on = ["azurerm_lb.lb"]
}
# ********************** VIRTUAL MACHINES ********************** #
resource "azurerm_virtual_machine" "vm" {
name = "${var.dns_name}${count.index}"
resource_group_name = "${azurerm_resource_group.rg.name}"
location = "${azurerm_resource_group.rg.location}"
vm_size = "${var.vm_size}"
network_interface_ids = ["${element(azurerm_network_interface.nic.*.id, count.index)}"]
count = "${var.node_count}"
availability_set_id = "${azurerm_availability_set.availability_set.id}"
depends_on = ["azurerm_availability_set.availability_set", "azurerm_network_interface.nic", "azurerm_storage_account.stor"]
storage_image_reference {
publisher = "${var.image_publisher}"
offer = "${var.image_offer}"
sku = "${var.os_version}"
version = "latest"
}
storage_os_disk {
name = "osdisk${count.index}"
vhd_uri = "https://${azurerm_storage_account.stor.name}.blob.core.windows.net/vhds/${var.dns_name}${count.index}-osdisk.vhd"
create_option = "FromImage"
caching = "ReadWrite"
}
os_profile {
computer_name = "${var.dns_name}${count.index}"
admin_username = "${var.vm_admin_username}"
admin_password = "${var.vm_admin_password}"
}
storage_data_disk {
name = "datadisk1"
vhd_uri = "https://${azurerm_storage_account.stor.name}.blob.core.windows.net/vhds/${var.dns_name}${count.index}-datadisk1.vhd"
disk_size_gb = "1000"
create_option = "Empty"
lun = 0
}
storage_data_disk {
name = "datadisk2"
vhd_uri = "https://${azurerm_storage_account.stor.name}.blob.core.windows.net/vhds/${var.dns_name}${count.index}-datadisk2.vhd"
disk_size_gb = "1000"
create_option = "Empty"
lun = 1
}
os_profile_linux_config {
disable_password_authentication = false
}
}
resource "azurerm_virtual_machine_extension" "setup_mysql" {
name = "${var.dns_name}-${count.index}-setupMySQL"
resource_group_name = "${azurerm_resource_group.rg.name}"
location = "${azurerm_resource_group.rg.location}"
virtual_machine_name = "${element(azurerm_virtual_machine.vm.*.name, count.index)}"
publisher = "Microsoft.Azure.Extensions"
type = "CustomScript"
type_handler_version = "2.0"
auto_upgrade_minor_version = true
count = "${var.node_count}"
depends_on = ["azurerm_virtual_machine.vm", "azurerm_lb_nat_rule.ProbeNatRule0"]
settings = <<SETTINGS
{
"fileUris": ["${var.artifacts_location}${var.azuremysql_script}"]
}
SETTINGS
protected_settings = <<SETTINGS
{
"commandToExecute": "bash azuremysql.sh ${count.index + 1} 10.0.1.${count.index + 4} ${var.artifacts_location}${var.mysql_cfg_file_path} '${var.mysql_replication_password}' '${var.mysql_root_password}' '${var.mysql_probe_password}' 10.0.1.4 ${var.unique_prefix}wordpress"
}
SETTINGS
}