London Hashicorp Meetup (8th Mar 2016)
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Slides from London's first Hashicorp Meetup. OpenCredo consultants Brett Mack and Nicki Watt give a run down on Terraform and how they created a Terraform Provider to use VMWare's vCloud Director
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London Hashicorp Meetup (8th Mar 2016)
- 1. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Developing a (VCD) Terraform Provider Brett Mack Nicki Watt @phpops @techiewatt 28/01/2016 1
- 2. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 2 Who are we? • Hands on consultants • Worked with a variety of clients using various HashiCorp products • HashiCorp partner
- 4. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 4 Agenda • Terraform Introduction • The VCD Terraform provider approach and lessons learned • Conclusion
- 12. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 12 Atlas DNSMadeEasy PowerDNS AWS Docker Rundeck Azure Dyn StatusCake CloudFlare Google Cloud Template CloudStack Heroku Terraform Consul Mailgun TLS Datadog OpenStack VMware vCloud Director DigitalOcean Packet VMware vSphere
- 13. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 13 Atlas DNSMadeEasy PowerDNS AWS Docker Rundeck Azure Dyn StatusCake CloudFlare Google Cloud Template CloudStack Heroku Terraform Consul Mailgun TLS Datadog OpenStack VMware vCloud Director DigitalOcean Packet VMware vSphere
- 15. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- vCloud Director 15 Edge Gateway Internal Network Destination NAT Source NATFirewall Rules VApp VApp
- 16. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- vCloud Director 16 Edge Gateway Internal Network Destination NAT Source NATFirewall Rules VApp VApp
- 22. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 22 provider "vcd" { … } resource “vcd_vapp” “web” … } vms.tf VCD Provider Terraform launches provider binary Preferred method of communication Starts listening Address given back to Terraform
- 24. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 24 vCloud Director Edge Gateway VDC Network Destinati SourceFirewall VApp VApp Plugin Details to establish connection Individual components which can be controlled Contract defining rules when interacting with resources
- 32. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 32 func Provider() terraform.ResourceProvider { return &schema.Provider{ Schema: map[string]*schema.Schema{ "user": &schema.Schema{ Type: schema.TypeString, Required: true, Description: “vCloud Director Username.", }, "password": &schema.Schema{ Type: schema.TypeString, Required: true, Description: “vCloud Director Password.", }, … provider.go
- 33. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 33 func Provider() terraform.ResourceProvider { return &schema.Provider{ Schema: …, ResourcesMap: map[string]*schema.Resource{ "vcd_network": resourceVcdNetwork(), "vcd_vapp": resourceVcdVApp(), "vcd_firewall_rules": resourceVcdFirewallRules(), "vcd_dnat": resourceVcdDNAT(), "vcd_snat": resourceVcdSNAT(), }, } provider.go