provider "alicloud" { alias = "bj" region = "cn-beijing" } resource "alicloud_instance" "instance" { provider = "alicloud.bj" instance_name = "website-${format(var.count_format, count.index+1)}" host_name = "website-${format(var.count_format, count.index+1)}" image_id = "centos7u2_64_40G_cloudinit_20160728.raw" instance_type = "ecs.s2.large" count = "6" availability_zone = "cn-beijing-b" security_groups = "${var.security_groups}" internet_charge_type = "PayByBandwidth" io_optimized = "none" password = "${var.ecs_password}" allocate_public_ip = "false" instance_charge_type = "PostPaid" system_disk_category = "cloud" tags { env = "prod" product = "website" dc = "beijing" } } resource "alicloud_slb_attachment" "foo" { slb_id = "${var.slb_id}" instances = ["${alicloud_instance.instance.0.id}", "${alicloud_instance.instance.1.id}"] }