Terraform AS3 code for GTM Only.

If your looking for a initial VM setup you need to have the base VM setup, networking , resources , and a deployed BIG-IP with a license.   Provided you have a BIG-IP running on a  VM  you can leverage DO - Declarative Onboarding to help get things setup.  

• Download the latest DO RPM from GitHub: https://github.com/F5Networks/f5-declarative-onboarding/releases (e.g., f5-declarative-onboarding-1.x.x-x.noarch.rpm).
• Access the BIG-IP GUI at https://<management-ip>.
• Navigate to iApps > Package Management LX.
• Click Import, select the RPM file, and click Upload. Wait for the installation to complete (check status).
• Verify: In the CLI (SSH as root), run tmsh list sys software or check the iApps page for "f5-declarative-onboarding"
•  
• your going to need to amend various field below for your dsetup - IP.s keys,dns,ntp, admin accounts, self ip's etc 

  {
    "schemaVersion": "1.0.0",
    "class": "Device",
    "async": true,
    "label": "Onboard BIG-IP VE for GTM/DNS",
    "Common": {
      "class": "Tenant",
      "mySystem": {
        "class": "System",
        "hostname": "gtm-bigip.example.com",
        "cliInactivityTimeout": 1200,
        "consoleInactivityTimeout": 1200,
        "autoPhonehome": false
      },
      "myLicense": {
        "class": "License",
        "licenseType": "regKey",
        "regKey": "AAAAA-BBBBB-CCCCC-DDDDD-EEEEEEE"
      },
      "myDns": {
        "class": "DNS",
        "nameServers": [
          "8.8.8.8",
          "2001:4860:4860::8844"
        ],
        "search": [
          "example.com"
        ]
      },
      "myNtp": {
        "class": "NTP",
        "servers": [
          "0.pool.ntp.org",
          "1.pool.ntp.org",
          "2.pool.ntp.org"
        ],
        "timezone": "UTC"
      },
      "root": {
        "class": "User",
        "userType": "root",
        "oldPassword": "default",
        "newPassword": "newRootPassword123"
      },
      "admin": {
        "class": "User",
        "userType": "regular",
        "password": "newAdminPassword123",
        "shell": "bash"
      },
      "myProvisioning": {
        "class": "Provision",
        "ltm": "nominal",
        "gtm": "nominal"
      },
      "internal": {
        "class": "VLAN",
        "tag": 4093,
        "mtu": 1500,
        "interfaces": [
          {
            "name": "1.2",
            "tagged": true
          }
        ]
      },
      "internal-self": {
        "class": "SelfIp",
        "address": "10.10.0.100/24",
        "vlan": "internal",
        "allowService": "default",
        "trafficGroup": "traffic-group-local-only"
      },
      "external": {
        "class": "VLAN",
        "tag": 4094,
        "mtu": 1500,
        "interfaces": [
          {
            "name": "1.1",
            "tagged": true
          }
        ]
      },
      "external-self": {
        "class": "SelfIp",
        "address": "10.20.0.100/24",
        "vlan": "external",
        "allowService": "none",
        "trafficGroup": "traffic-group-local-only"
      },
      "default": {
        "class": "Route",
        "gw": "10.10.0.1",
        "network": "default",
        "mtu": 1500
      }
    }
  }

  curl -k -u admin:admin -H "Content-Type: application/json" -X POST https://<management-ip>/mgmt/shared/declarative-onboarding -d @do-declaration.json