|
| 1 | +/* |
| 2 | + * This example demonstrates round robin load balancing behavior by creating two instances, a configured |
| 3 | + * vcn and a load balancer. The public IP of the load balancer is outputted after a successful run, curl |
| 4 | + * this address to see the hostname change as different instances handle the request. |
| 5 | + * |
| 6 | + * NOTE: The https listener is included for completeness but should not be expected to work, |
| 7 | + * it uses dummy certs. |
| 8 | + */ |
| 9 | + |
| 10 | +variable "tenancy_ocid" {} |
| 11 | +variable "user_ocid" {} |
| 12 | +variable "fingerprint" {} |
| 13 | +variable "private_key_path" {} |
| 14 | +variable "compartment_ocid" {} |
| 15 | + |
| 16 | + |
| 17 | +provider "baremetal" { |
| 18 | + tenancy_ocid = "${var.tenancy_ocid}" |
| 19 | + user_ocid = "${var.user_ocid}" |
| 20 | + fingerprint = "${var.fingerprint}" |
| 21 | + private_key_path = "${var.private_key_path}" |
| 22 | +} |
| 23 | + |
| 24 | +data "baremetal_identity_availability_domains" "ADs" { |
| 25 | + compartment_id = "${var.tenancy_ocid}" |
| 26 | +} |
| 27 | + |
| 28 | + |
| 29 | +/* Network */ |
| 30 | + |
| 31 | +resource "baremetal_core_virtual_network" "vcn1" { |
| 32 | + cidr_block = "10.1.0.0/16" |
| 33 | + compartment_id = "${var.compartment_ocid}" |
| 34 | + display_name = "vcn1" |
| 35 | + dns_label = "vcn1" |
| 36 | +} |
| 37 | + |
| 38 | +resource "baremetal_core_subnet" "subnet1" { |
| 39 | + availability_domain = "${lookup(data.baremetal_identity_availability_domains.ADs.availability_domains[0],"name")}" |
| 40 | + cidr_block = "10.1.20.0/24" |
| 41 | + display_name = "subnet1" |
| 42 | + dns_label = "subnet1" |
| 43 | + security_list_ids = ["${baremetal_core_security_list.securitylist1.id}"] |
| 44 | + compartment_id = "${var.compartment_ocid}" |
| 45 | + vcn_id = "${baremetal_core_virtual_network.vcn1.id}" |
| 46 | + route_table_id = "${baremetal_core_route_table.routetable1.id}" |
| 47 | + |
| 48 | + provisioner "local-exec" { |
| 49 | + command = "sleep 5" |
| 50 | + } |
| 51 | +} |
| 52 | + |
| 53 | +resource "baremetal_core_subnet" "subnet2" { |
| 54 | + availability_domain = "${lookup(data.baremetal_identity_availability_domains.ADs.availability_domains[1],"name")}" |
| 55 | + cidr_block = "10.1.21.0/24" |
| 56 | + display_name = "subnet2" |
| 57 | + dns_label = "subnet2" |
| 58 | + security_list_ids = ["${baremetal_core_security_list.securitylist1.id}"] |
| 59 | + compartment_id = "${var.compartment_ocid}" |
| 60 | + vcn_id = "${baremetal_core_virtual_network.vcn1.id}" |
| 61 | + route_table_id = "${baremetal_core_route_table.routetable1.id}" |
| 62 | + |
| 63 | + provisioner "local-exec" { |
| 64 | + command = "sleep 5" |
| 65 | + } |
| 66 | +} |
| 67 | + |
| 68 | +resource "baremetal_core_internet_gateway" "internetgateway1" { |
| 69 | + compartment_id = "${var.compartment_ocid}" |
| 70 | + display_name = "internetgateway1" |
| 71 | + vcn_id = "${baremetal_core_virtual_network.vcn1.id}" |
| 72 | +} |
| 73 | + |
| 74 | +resource "baremetal_core_route_table" "routetable1" { |
| 75 | + compartment_id = "${var.compartment_ocid}" |
| 76 | + vcn_id = "${baremetal_core_virtual_network.vcn1.id}" |
| 77 | + display_name = "routetable1" |
| 78 | + route_rules { |
| 79 | + cidr_block = "0.0.0.0/0" |
| 80 | + network_entity_id = "${baremetal_core_internet_gateway.internetgateway1.id}" |
| 81 | + } |
| 82 | +} |
| 83 | + |
| 84 | +resource "baremetal_core_security_list" "securitylist1" { |
| 85 | + display_name = "public" |
| 86 | + compartment_id = "${baremetal_core_virtual_network.vcn1.compartment_id}" |
| 87 | + vcn_id = "${baremetal_core_virtual_network.vcn1.id}" |
| 88 | + |
| 89 | + egress_security_rules = [{ |
| 90 | + protocol = "all" |
| 91 | + destination = "0.0.0.0/0" |
| 92 | + }] |
| 93 | + |
| 94 | + ingress_security_rules = [ |
| 95 | + { |
| 96 | + protocol = "6" |
| 97 | + source = "0.0.0.0/0" |
| 98 | + |
| 99 | + tcp_options { |
| 100 | + "min" = 80 |
| 101 | + "max" = 80 |
| 102 | + } |
| 103 | + }, |
| 104 | + { |
| 105 | + protocol = "6" |
| 106 | + source = "0.0.0.0/0" |
| 107 | + |
| 108 | + tcp_options { |
| 109 | + "min" = 443 |
| 110 | + "max" = 443 |
| 111 | + } |
| 112 | + }, |
| 113 | + ] |
| 114 | +} |
| 115 | + |
| 116 | + |
| 117 | +/* Instances */ |
| 118 | + |
| 119 | +data "baremetal_core_images" "image-list" { |
| 120 | + compartment_id = "${var.compartment_ocid}" |
| 121 | + operating_system = "Oracle Linux" |
| 122 | + operating_system_version = "7.3" |
| 123 | +} |
| 124 | + |
| 125 | +resource "baremetal_core_instance" "instance1" { |
| 126 | + availability_domain = "${lookup(data.baremetal_identity_availability_domains.ADs.availability_domains[0],"name")}" |
| 127 | + compartment_id = "${var.compartment_ocid}" |
| 128 | + display_name = "be-instance1" |
| 129 | + image = "${lookup(data.baremetal_core_images.image-list.images[0], "id")}" |
| 130 | + shape = "VM.Standard1.2" |
| 131 | + subnet_id = "${baremetal_core_subnet.subnet1.id}" |
| 132 | + hostname_label = "be-instance1" |
| 133 | + metadata { |
| 134 | + user_data = "${base64encode(var.user-data)}" |
| 135 | + } |
| 136 | +} |
| 137 | + |
| 138 | +resource "baremetal_core_instance" "instance2" { |
| 139 | + availability_domain = "${lookup(data.baremetal_identity_availability_domains.ADs.availability_domains[1],"name")}" |
| 140 | + compartment_id = "${var.compartment_ocid}" |
| 141 | + display_name = "be-instance2" |
| 142 | + image = "${lookup(data.baremetal_core_images.image-list.images[0], "id")}" |
| 143 | + shape = "VM.Standard1.2" |
| 144 | + subnet_id = "${baremetal_core_subnet.subnet2.id}" |
| 145 | + hostname_label = "be-instance2" |
| 146 | + metadata { |
| 147 | + user_data = "${base64encode(var.user-data)}" |
| 148 | + } |
| 149 | +} |
| 150 | + |
| 151 | +variable "user-data" { |
| 152 | + default = <<EOF |
| 153 | +#!/bin/bash -x |
| 154 | +echo '################### webserver userdata begins #####################' |
| 155 | +touch ~opc/userdata.`date +%s`.start |
| 156 | +
|
| 157 | +# echo '########## yum update all ###############' |
| 158 | +# yum update -y |
| 159 | +
|
| 160 | +echo '########## basic webserver ##############' |
| 161 | +yum install -y httpd |
| 162 | +systemctl enable httpd.service |
| 163 | +systemctl start httpd.service |
| 164 | +echo '<html><head></head><body><pre><code>' > /var/www/html/index.html |
| 165 | +hostname >> /var/www/html/index.html |
| 166 | +echo '' >> /var/www/html/index.html |
| 167 | +cat /etc/os-release >> /var/www/html/index.html |
| 168 | +echo '</code></pre></body></html>' >> /var/www/html/index.html |
| 169 | +firewall-offline-cmd --add-service=http |
| 170 | +systemctl enable firewalld |
| 171 | +systemctl restart firewalld |
| 172 | +
|
| 173 | +touch ~opc/userdata.`date +%s`.finish |
| 174 | +echo '################### webserver userdata ends #######################' |
| 175 | +EOF |
| 176 | +} |
| 177 | + |
| 178 | + |
| 179 | +/* Load Balancer */ |
| 180 | + |
| 181 | +resource "baremetal_load_balancer" "lb1" { |
| 182 | + shape = "100Mbps" |
| 183 | + compartment_id = "${var.compartment_ocid}" |
| 184 | + subnet_ids = [ |
| 185 | + "${baremetal_core_subnet.subnet1.id}", |
| 186 | + "${baremetal_core_subnet.subnet2.id}" |
| 187 | + ] |
| 188 | + display_name = "lb1" |
| 189 | +} |
| 190 | + |
| 191 | +resource "baremetal_load_balancer_backendset" "lb-bes1" { |
| 192 | + name = "lb-bes1" |
| 193 | + load_balancer_id = "${baremetal_load_balancer.lb1.id}" |
| 194 | + policy = "ROUND_ROBIN" |
| 195 | + |
| 196 | + health_checker { |
| 197 | + port = "80" |
| 198 | + protocol = "HTTP" |
| 199 | + response_body_regex = ".*" |
| 200 | + url_path = "/" |
| 201 | + } |
| 202 | +} |
| 203 | + |
| 204 | +resource "baremetal_load_balancer_certificate" "lb-cert1" { |
| 205 | + load_balancer_id = "${baremetal_load_balancer.lb1.id}" |
| 206 | + ca_certificate = "-----BEGIN CERTIFICATE-----\nMIIBNzCB4gIJAKtwJkxUgNpzMA0GCSqGSIb3DQEBCwUAMCMxITAfBgNVBAoTGElu\ndGVybmV0IFdpZGdpdHMgUHR5IEx0ZDAeFw0xNzA0MTIyMTU3NTZaFw0xODA0MTIy\nMTU3NTZaMCMxITAfBgNVBAoTGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDBcMA0G\nCSqGSIb3DQEBAQUAA0sAMEgCQQDlM8lz3BFJA6zBlsF63k9ajPVq3Q1WQoHQ3j35\n08DRKIfwqfV+CxL63W3dZrwL4TrjqorP5CQ36+I6OWALH2zVAgMBAAEwDQYJKoZI\nhvcNAQELBQADQQCEjHVQJoiiVpIIvDWF+4YDRReVuwzrvq2xduWw7CIsDWlYuGZT\nQKVY6tnTy2XpoUk0fqUvMB/M2HGQ1WqZGHs6\n-----END CERTIFICATE-----" |
| 207 | + certificate_name = "certificate1" |
| 208 | + private_key = "-----BEGIN RSA PRIVATE KEY-----\nMIIBOgIBAAJBAOUzyXPcEUkDrMGWwXreT1qM9WrdDVZCgdDePfnTwNEoh/Cp9X4L\nEvrdbd1mvAvhOuOqis/kJDfr4jo5YAsfbNUCAwEAAQJAJz8k4bfvJceBT2zXGIj0\noZa9d1z+qaSdwfwsNJkzzRyGkj/j8yv5FV7KNdSfsBbStlcuxUm4i9o5LXhIA+iQ\ngQIhAPzStAN8+Rz3dWKTjRWuCfy+Pwcmyjl3pkMPSiXzgSJlAiEA6BUZWHP0b542\nu8AizBT3b3xKr1AH2nkIx9OHq7F/QbECIHzqqpDypa8/QVuUZegpVrvvT/r7mn1s\nddS6cDtyJgLVAiEA1Z5OFQeuL2sekBRbMyP9WOW7zMBKakLL3TqL/3JCYxECIAkG\nl96uo1MjK/66X5zQXBG7F2DN2CbcYEz0r3c3vvfq\n-----END RSA PRIVATE KEY-----" |
| 209 | + public_certificate = "-----BEGIN CERTIFICATE-----\nMIIBNzCB4gIJAKtwJkxUgNpzMA0GCSqGSIb3DQEBCwUAMCMxITAfBgNVBAoTGElu\ndGVybmV0IFdpZGdpdHMgUHR5IEx0ZDAeFw0xNzA0MTIyMTU3NTZaFw0xODA0MTIy\nMTU3NTZaMCMxITAfBgNVBAoTGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDBcMA0G\nCSqGSIb3DQEBAQUAA0sAMEgCQQDlM8lz3BFJA6zBlsF63k9ajPVq3Q1WQoHQ3j35\n08DRKIfwqfV+CxL63W3dZrwL4TrjqorP5CQ36+I6OWALH2zVAgMBAAEwDQYJKoZI\nhvcNAQELBQADQQCEjHVQJoiiVpIIvDWF+4YDRReVuwzrvq2xduWw7CIsDWlYuGZT\nQKVY6tnTy2XpoUk0fqUvMB/M2HGQ1WqZGHs6\n-----END CERTIFICATE-----" |
| 210 | +} |
| 211 | + |
| 212 | +resource "baremetal_load_balancer_listener" "lb-listener1" { |
| 213 | + load_balancer_id = "${baremetal_load_balancer.lb1.id}" |
| 214 | + name = "http" |
| 215 | + default_backend_set_name = "${baremetal_load_balancer_backendset.lb-bes1.id}" |
| 216 | + port = 80 |
| 217 | + protocol = "HTTP" |
| 218 | +} |
| 219 | + |
| 220 | +resource "baremetal_load_balancer_listener" "lb-listener2" { |
| 221 | + load_balancer_id = "${baremetal_load_balancer.lb1.id}" |
| 222 | + name = "https" |
| 223 | + default_backend_set_name = "${baremetal_load_balancer_backendset.lb-bes1.id}" |
| 224 | + port = 443 |
| 225 | + protocol = "HTTP" |
| 226 | + |
| 227 | + ssl_configuration { |
| 228 | + certificate_name = "${baremetal_load_balancer_certificate.lb-cert1.certificate_name}" |
| 229 | + verify_peer_certificate = false |
| 230 | + } |
| 231 | +} |
| 232 | + |
| 233 | +resource "baremetal_load_balancer_backend" "lb-be1" { |
| 234 | + load_balancer_id = "${baremetal_load_balancer.lb1.id}" |
| 235 | + backendset_name = "${baremetal_load_balancer_backendset.lb-bes1.id}" |
| 236 | + ip_address = "${baremetal_core_instance.instance1.private_ip}" |
| 237 | + port = 80 |
| 238 | + backup = false |
| 239 | + drain = false |
| 240 | + offline = false |
| 241 | + weight = 1 |
| 242 | +} |
| 243 | + |
| 244 | +resource "baremetal_load_balancer_backend" "lb-be2" { |
| 245 | + load_balancer_id = "${baremetal_load_balancer.lb1.id}" |
| 246 | + backendset_name = "${baremetal_load_balancer_backendset.lb-bes1.id}" |
| 247 | + ip_address = "${baremetal_core_instance.instance2.private_ip}" |
| 248 | + port = 80 |
| 249 | + backup = false |
| 250 | + drain = false |
| 251 | + offline = false |
| 252 | + weight = 1 |
| 253 | +} |
| 254 | + |
| 255 | + |
| 256 | +output "lb_public_ip" { |
| 257 | + value = ["${baremetal_load_balancer.lb1.ip_addresses}"] |
| 258 | +} |
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