|
| 1 | +data "alicloud_instance_types" "default" { |
| 2 | + instance_type_family = "ecs.g7" |
| 3 | +} |
| 4 | + |
| 5 | +data "alicloud_zones" "default" { |
| 6 | + available_instance_type = data.alicloud_instance_types.default.ids.0 |
| 7 | +} |
| 8 | + |
| 9 | +data "alicloud_alb_zones" "default" {} |
| 10 | + |
| 11 | +data "alicloud_images" "instance_image" { |
| 12 | + name_regex = "^aliyun_3_9_x64_20G_*" |
| 13 | + most_recent = true |
| 14 | + owners = "system" |
| 15 | +} |
| 16 | + |
| 17 | +# 创建VPC |
| 18 | +resource "alicloud_vpc" "vpc" { |
| 19 | + vpc_name = var.common_name |
| 20 | + cidr_block = "192.168.0.0/16" |
| 21 | +} |
| 22 | + |
| 23 | +# 创建VSwitch1 |
| 24 | +resource "alicloud_vswitch" "ecs_vswitch_1" { |
| 25 | + vpc_id = alicloud_vpc.vpc.id |
| 26 | + cidr_block = "192.168.1.0/24" |
| 27 | + zone_id = data.alicloud_zones.default.ids.0 |
| 28 | + vswitch_name = "${var.common_name}-vsw" |
| 29 | +} |
| 30 | + |
| 31 | +# 创建VSwitch2 |
| 32 | +resource "alicloud_vswitch" "ecs_vswitch_2" { |
| 33 | + vpc_id = alicloud_vpc.vpc.id |
| 34 | + cidr_block = "192.168.2.0/24" |
| 35 | + zone_id = data.alicloud_zones.default.ids.1 |
| 36 | + vswitch_name = "${var.common_name}-vsw" |
| 37 | +} |
| 38 | + |
| 39 | +# 创建VSwitch3 |
| 40 | +resource "alicloud_vswitch" "alb_vswitch_3" { |
| 41 | + vpc_id = alicloud_vpc.vpc.id |
| 42 | + cidr_block = "192.168.3.0/24" |
| 43 | + zone_id = data.alicloud_alb_zones.default.ids.0 |
| 44 | + vswitch_name = "${var.common_name}-vsw" |
| 45 | +} |
| 46 | + |
| 47 | +# 创建VSwitch4 |
| 48 | +resource "alicloud_vswitch" "alb_vswitch_4" { |
| 49 | + vpc_id = alicloud_vpc.vpc.id |
| 50 | + cidr_block = "192.168.4.0/24" |
| 51 | + zone_id = data.alicloud_alb_zones.default.ids.1 |
| 52 | + vswitch_name = "${var.common_name}-vsw" |
| 53 | +} |
| 54 | + |
| 55 | +# 创建安全组 |
| 56 | +resource "alicloud_security_group" "security_group" { |
| 57 | + security_group_name = "${var.common_name}-sg" |
| 58 | + vpc_id = alicloud_vpc.vpc.id |
| 59 | +} |
| 60 | + |
| 61 | +# 添加安全组规则 - HTTP |
| 62 | +resource "alicloud_security_group_rule" "security_group_http" { |
| 63 | + security_group_id = alicloud_security_group.security_group.id |
| 64 | + type = "ingress" |
| 65 | + ip_protocol = "tcp" |
| 66 | + port_range = "80/80" |
| 67 | + cidr_ip = "0.0.0.0/0" |
| 68 | +} |
| 69 | + |
| 70 | +# 添加安全组规则 - HTTPS |
| 71 | +resource "alicloud_security_group_rule" "security_group_https" { |
| 72 | + security_group_id = alicloud_security_group.security_group.id |
| 73 | + type = "ingress" |
| 74 | + ip_protocol = "tcp" |
| 75 | + port_range = "443/443" |
| 76 | + cidr_ip = "0.0.0.0/0" |
| 77 | +} |
| 78 | + |
| 79 | +# 创建ALB负载均衡器 |
| 80 | +resource "alicloud_alb_load_balancer" "alb" { |
| 81 | + load_balancer_name = "${var.common_name}-alb" |
| 82 | + load_balancer_edition = "Basic" |
| 83 | + address_allocated_mode = "Fixed" |
| 84 | + vpc_id = alicloud_vpc.vpc.id |
| 85 | + address_type = "Internet" |
| 86 | + |
| 87 | + load_balancer_billing_config { |
| 88 | + pay_type = "PayAsYouGo" |
| 89 | + } |
| 90 | + |
| 91 | + zone_mappings { |
| 92 | + zone_id = data.alicloud_alb_zones.default.ids.0 |
| 93 | + vswitch_id = alicloud_vswitch.alb_vswitch_3.id |
| 94 | + } |
| 95 | + |
| 96 | + zone_mappings { |
| 97 | + zone_id = data.alicloud_alb_zones.default.ids.1 |
| 98 | + vswitch_id = alicloud_vswitch.alb_vswitch_4.id |
| 99 | + } |
| 100 | +} |
| 101 | + |
| 102 | +# 创建ALB服务器组 |
| 103 | +resource "alicloud_alb_server_group" "alb_server_group" { |
| 104 | + server_group_name = "${var.common_name}-server-group" |
| 105 | + vpc_id = alicloud_vpc.vpc.id |
| 106 | + protocol = "HTTP" |
| 107 | + |
| 108 | + health_check_config { |
| 109 | + health_check_enabled = true |
| 110 | + health_check_protocol = "HTTP" |
| 111 | + health_check_path = "/" |
| 112 | + health_check_codes = ["http_2xx", "http_3xx"] |
| 113 | + health_check_connect_port = 80 |
| 114 | + } |
| 115 | + |
| 116 | + sticky_session_config { |
| 117 | + sticky_session_enabled = false |
| 118 | + } |
| 119 | + |
| 120 | + lifecycle { |
| 121 | + ignore_changes = [servers] |
| 122 | + } |
| 123 | +} |
| 124 | + |
| 125 | +# 创建ALB监听器 |
| 126 | +resource "alicloud_alb_listener" "alb_listener" { |
| 127 | + listener_protocol = "HTTP" |
| 128 | + listener_port = 80 |
| 129 | + load_balancer_id = alicloud_alb_load_balancer.alb.id |
| 130 | + |
| 131 | + default_actions { |
| 132 | + type = "ForwardGroup" |
| 133 | + forward_group_config { |
| 134 | + server_group_tuples { |
| 135 | + server_group_id = alicloud_alb_server_group.alb_server_group.id |
| 136 | + } |
| 137 | + } |
| 138 | + } |
| 139 | +} |
| 140 | + |
| 141 | +resource "random_integer" "default" { |
| 142 | + min = 10000 |
| 143 | + max = 99999 |
| 144 | +} |
| 145 | + |
| 146 | +# 创建ESS伸缩组，min_size设置为2，在伸缩组启用后，会自动创建两台ECS实例 |
| 147 | +resource "alicloud_ess_scaling_group" "ess_scaling_group" { |
| 148 | + scaling_group_name = "${var.common_name}-scaling-group-${random_integer.default.result}" |
| 149 | + min_size = 2 |
| 150 | + max_size = 5 |
| 151 | + vswitch_ids = [alicloud_vswitch.ecs_vswitch_1.id, alicloud_vswitch.ecs_vswitch_2.id] |
| 152 | + removal_policies = ["NewestInstance"] |
| 153 | + default_cooldown = 300 |
| 154 | + multi_az_policy = "COMPOSABLE" |
| 155 | + az_balance = true |
| 156 | + depends_on = [alicloud_security_group.security_group] |
| 157 | +} |
| 158 | + |
| 159 | +# 配置ESS服务器组关联 |
| 160 | +resource "alicloud_ess_server_group_attachment" "ess_server_group" { |
| 161 | + scaling_group_id = alicloud_ess_scaling_group.ess_scaling_group.id |
| 162 | + server_group_id = alicloud_alb_server_group.alb_server_group.id |
| 163 | + port = 80 |
| 164 | + type = "ALB" |
| 165 | + weight = 100 |
| 166 | + force_attach = true |
| 167 | +} |
| 168 | + |
| 169 | +locals { |
| 170 | + instance_user_data = <<-SHELL |
| 171 | + #!/bin/bash |
| 172 | + yum -y install nginx-1.20.1 |
| 173 | + instanceId=`curl http://100.100.100.200/latest/meta-data/instance-id` |
| 174 | + echo "This instance from ess, the instance id is $instanceId" > /usr/share/nginx/html/index.html |
| 175 | + systemctl start nginx |
| 176 | + systemctl enable nginx |
| 177 | + SHELL |
| 178 | +} |
| 179 | + |
| 180 | +# 创建ESS伸缩配置 |
| 181 | +resource "alicloud_ess_scaling_configuration" "ess_scaling_configuration" { |
| 182 | + scaling_group_id = alicloud_ess_scaling_group.ess_scaling_group.id |
| 183 | + enable = true |
| 184 | + active = true |
| 185 | + force_delete = true |
| 186 | + image_id = data.alicloud_images.instance_image.images[0].id |
| 187 | + instance_types = [data.alicloud_instance_types.default.ids.0] |
| 188 | + security_group_id = alicloud_security_group.security_group.id |
| 189 | + system_disk_category = "cloud_essd" |
| 190 | + system_disk_size = 40 |
| 191 | + password = var.ecs_instance_password |
| 192 | + instance_name = "${var.common_name}-ess" |
| 193 | + user_data = local.instance_user_data |
| 194 | +} |
| 195 | + |
| 196 | +# 创建ESS伸缩规则（扩容） |
| 197 | +resource "alicloud_ess_scaling_rule" "ess_scale_up_rule" { |
| 198 | + scaling_group_id = alicloud_ess_scaling_group.ess_scaling_group.id |
| 199 | + scaling_rule_name = "${var.common_name}-asr-scale_up_rule" |
| 200 | + scaling_rule_type = "SimpleScalingRule" |
| 201 | + adjustment_type = "QuantityChangeInCapacity" |
| 202 | + adjustment_value = 1 |
| 203 | + cooldown = 60 |
| 204 | +} |
| 205 | + |
| 206 | +# 创建ESS伸缩规则（缩容） |
| 207 | +resource "alicloud_ess_scaling_rule" "ess_scale_down_rule" { |
| 208 | + scaling_group_id = alicloud_ess_scaling_group.ess_scaling_group.id |
| 209 | + scaling_rule_name = "${var.common_name}-asr-scale_down_rule" |
| 210 | + scaling_rule_type = "SimpleScalingRule" |
| 211 | + adjustment_type = "QuantityChangeInCapacity" |
| 212 | + adjustment_value = -1 |
| 213 | + cooldown = 60 |
| 214 | +} |
| 215 | + |
| 216 | +resource "time_static" "example" {} |
| 217 | + |
| 218 | +# 创建定时任务（自动扩容） |
| 219 | +resource "alicloud_ess_scheduled_task" "scheduled_scale_up_task" { |
| 220 | + scheduled_task_name = "${var.common_name}-scale_up_task-${random_integer.default.result}" |
| 221 | + launch_time = var.scale_up_time != null && var.scale_up_time != "" ? var.scale_up_time : formatdate("YYYY-MM-DD'T'HH:mm'Z'", timeadd(time_static.example.rfc3339, "1h")) |
| 222 | + scheduled_action = alicloud_ess_scaling_rule.ess_scale_up_rule.ari |
| 223 | + launch_expiration_time = 10 |
| 224 | +} |
| 225 | + |
| 226 | +# 创建定时任务（自动缩容） |
| 227 | +resource "alicloud_ess_scheduled_task" "scheduled_scale_down_task" { |
| 228 | + scheduled_task_name = "${var.common_name}-scale_down_task-${random_integer.default.result}" |
| 229 | + launch_time = var.scale_down_time != null && var.scale_down_time != "" ? var.scale_down_time : formatdate("YYYY-MM-DD'T'HH:mm'Z'", timeadd(time_static.example.rfc3339, "2h")) |
| 230 | + scheduled_action = alicloud_ess_scaling_rule.ess_scale_down_rule.ari |
| 231 | + launch_expiration_time = 10 |
| 232 | +} |
| 233 | + |
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