terraform-provider-greenhost/digitalocean/resource_digitalocean_firewall_test.go

package digitalocean

import (
	"context"
	"fmt"
	"testing"

	"github.com/digitalocean/godo"
	"github.com/hashicorp/terraform/helper/acctest"
	"github.com/hashicorp/terraform/helper/resource"
	"github.com/hashicorp/terraform/terraform"
)

func TestAccDigitalOceanFirewall_AllowOnlyInbound(t *testing.T) {
	rName := acctest.RandString(10)
	var firewall godo.Firewall

	resource.Test(t, resource.TestCase{
		PreCheck:     func() { testAccPreCheck(t) },
		Providers:    testAccProviders,
		CheckDestroy: testAccCheckDigitalOceanFirewallDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccDigitalOceanFirewallConfig_OnlyInbound(rName),
				Check: resource.ComposeAggregateTestCheckFunc(
					testAccCheckDigitalOceanFirewallExists("digitalocean_firewall.foobar", &firewall),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.#", "1"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.port_range", "22"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.protocol", "tcp"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.source_addresses.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.source_addresses.0", "0.0.0.0/0"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.source_addresses.1", "::/0"),
				),
			},
		},
	})
}

func TestAccDigitalOceanFirewall_AllowMultipleInbound(t *testing.T) {
	rName := acctest.RandString(10)
	var firewall godo.Firewall

	resource.Test(t, resource.TestCase{
		PreCheck:     func() { testAccPreCheck(t) },
		Providers:    testAccProviders,
		CheckDestroy: testAccCheckDigitalOceanFirewallDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccDigitalOceanFirewallConfig_OnlyMultipleInbound(rName),
				Check: resource.ComposeAggregateTestCheckFunc(
					testAccCheckDigitalOceanFirewallExists("digitalocean_firewall.foobar", &firewall),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.port_range", "22"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.protocol", "tcp"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.source_addresses.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.source_addresses.0", "0.0.0.0/0"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.source_addresses.1", "::/0"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.port_range", "80"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.protocol", "tcp"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.source_addresses.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.source_addresses.0", "1.2.3.0/24"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.source_addresses.1", "2002::/16"),
				),
			},
		},
	})
}

func TestAccDigitalOceanFirewall_AllowOnlyOutbound(t *testing.T) {
	rName := acctest.RandString(10)
	var firewall godo.Firewall

	resource.Test(t, resource.TestCase{
		PreCheck:     func() { testAccPreCheck(t) },
		Providers:    testAccProviders,
		CheckDestroy: testAccCheckDigitalOceanFirewallDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccDigitalOceanFirewallConfig_OnlyOutbound(rName),
				Check: resource.ComposeAggregateTestCheckFunc(
					testAccCheckDigitalOceanFirewallExists("digitalocean_firewall.foobar", &firewall),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.#", "1"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.port_range", "22"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.protocol", "tcp"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_addresses.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_addresses.0", "0.0.0.0/0"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_addresses.1", "::/0"),
				),
			},
		},
	})
}

func TestAccDigitalOceanFirewall_AllowMultipleOutbound(t *testing.T) {
	rName := acctest.RandString(10)
	var firewall godo.Firewall

	resource.Test(t, resource.TestCase{
		PreCheck:     func() { testAccPreCheck(t) },
		Providers:    testAccProviders,
		CheckDestroy: testAccCheckDigitalOceanFirewallDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccDigitalOceanFirewallConfig_OnlyMultipleOutbound(rName),
				Check: resource.ComposeAggregateTestCheckFunc(
					testAccCheckDigitalOceanFirewallExists("digitalocean_firewall.foobar", &firewall),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.port_range", "22"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.protocol", "tcp"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_addresses.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_addresses.0", "192.168.1.0/24"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_addresses.1", "2002:1001::/48"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.1.port_range", "53"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.1.protocol", "udp"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.1.destination_addresses.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.1.destination_addresses.0", "1.2.3.0/24"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.1.destination_addresses.1", "2002::/16"),
				),
			},
		},
	})
}

func TestAccDigitalOceanFirewall_MultipleInboundAndOutbound(t *testing.T) {
	rName := acctest.RandString(10)
	tagName := "tag-" + rName
	var firewall godo.Firewall

	resource.Test(t, resource.TestCase{
		PreCheck:     func() { testAccPreCheck(t) },
		Providers:    testAccProviders,
		CheckDestroy: testAccCheckDigitalOceanFirewallDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccDigitalOceanFirewallConfig_MultipleInboundAndOutbound(tagName, rName),
				Check: resource.ComposeAggregateTestCheckFunc(
					testAccCheckDigitalOceanFirewallExists("digitalocean_firewall.foobar", &firewall),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.port_range", "443"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.protocol", "tcp"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.source_addresses.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.source_addresses.0", "192.168.1.0/24"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.source_addresses.1", "2002:1001:1:2::/64"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.source_tags.#", "1"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.1.source_tags.0", tagName),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.port_range", "22"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.protocol", "tcp"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.source_addresses.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.source_addresses.0", "0.0.0.0/0"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "inbound_rule.0.source_addresses.1", "::/0"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.port_range", "443"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.protocol", "tcp"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_addresses.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_addresses.0", "192.168.1.0/24"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_addresses.1", "2002:1001:1:2::/64"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_tags.#", "1"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.0.destination_tags.0", tagName),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.1.port_range", "53"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.1.protocol", "udp"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.1.destination_addresses.#", "2"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.1.destination_addresses.0", "0.0.0.0/0"),
					resource.TestCheckResourceAttr("digitalocean_firewall.foobar", "outbound_rule.1.destination_addresses.1", "::/0"),
				),
			},
		},
	})
}

func TestAccDigitalOceanFirewall_ImportMultipleRules(t *testing.T) {
	resourceName := "digitalocean_firewall.foobar"
	rName := acctest.RandString(10)
	tagName := "tag-" + rName
	resource.Test(t, resource.TestCase{
		PreCheck:     func() { testAccPreCheck(t) },
		Providers:    testAccProviders,
		CheckDestroy: testAccCheckDigitalOceanFirewallDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccDigitalOceanFirewallConfig_MultipleInboundAndOutbound(tagName, rName),
			},

			{
				ResourceName:      resourceName,
				ImportState:       true,
				ImportStateVerify: true,
			},
		},
	})
}

func testAccDigitalOceanFirewallConfig_OnlyInbound(rName string) string {
	return fmt.Sprintf(`
	resource "digitalocean_firewall" "foobar" {
				name          = "%s"
				inbound_rule {
					protocol         = "tcp"
					port_range       = "22"
					source_addresses = ["0.0.0.0/0", "::/0"]
				}

			}
	`, rName)
}

func testAccDigitalOceanFirewallConfig_OnlyOutbound(rName string) string {
	return fmt.Sprintf(`
	resource "digitalocean_firewall" "foobar" {
				name          = "%s"
				outbound_rule {
					protocol              = "tcp"
					port_range            = "22"
					destination_addresses = ["0.0.0.0/0", "::/0"]
				}

			}
	`, rName)
}

func testAccDigitalOceanFirewallConfig_OnlyMultipleInbound(rName string) string {
	return fmt.Sprintf(`
	resource "digitalocean_firewall" "foobar" {
				name          = "%s"
				inbound_rule {
					protocol         = "tcp"
					port_range       = "22"
					source_addresses = ["0.0.0.0/0", "::/0"]
				}
				inbound_rule {
					protocol         = "tcp"
					port_range       = "80"
					source_addresses = ["1.2.3.0/24", "2002::/16"]
				}

			}
	`, rName)
}

func testAccDigitalOceanFirewallConfig_OnlyMultipleOutbound(rName string) string {
	return fmt.Sprintf(`
	resource "digitalocean_firewall" "foobar" {
				name          = "%s"
				outbound_rule {
					protocol              = "tcp"
					port_range            = "22"
					destination_addresses = ["192.168.1.0/24", "2002:1001::/48"]
				}
				outbound_rule {
					protocol              = "udp"
					port_range            = "53"
					destination_addresses = ["1.2.3.0/24", "2002::/16"]
				}

			}
	`, rName)
}

func testAccDigitalOceanFirewallConfig_MultipleInboundAndOutbound(tagName string, rName string) string {
	return fmt.Sprintf(`
	resource "digitalocean_tag" "foobar" {
		name = "%s"
	}

	resource "digitalocean_firewall" "foobar" {
				name          = "%s"
				inbound_rule {
					protocol         = "tcp"
					port_range       = "22"
					source_addresses = ["0.0.0.0/0", "::/0"]
				}
				inbound_rule {
					protocol         = "tcp"
					port_range       = "443"
					source_addresses = ["192.168.1.0/24", "2002:1001:1:2::/64"]
					source_tags      = ["%s"]
				}
				outbound_rule {
					protocol              = "tcp"
					port_range            = "443"
					destination_addresses = ["192.168.1.0/24", "2002:1001:1:2::/64"]
					destination_tags      = ["%s"]
				}
				outbound_rule {
					protocol              = "udp"
					port_range            = "53"
					destination_addresses = ["0.0.0.0/0", "::/0"]
				}

			}
	`, tagName, rName, tagName, tagName)
}

func testAccCheckDigitalOceanFirewallDestroy(s *terraform.State) error {
	client := testAccProvider.Meta().(*godo.Client)

	for _, rs := range s.RootModule().Resources {
		if rs.Type != "digitalocean_firewall" {
			continue
		}

		// Try to find the firewall
		_, _, err := client.Firewalls.Get(context.Background(), rs.Primary.ID)

		if err == nil {
			return fmt.Errorf("Firewall still exists")
		}
	}

	return nil
}

func testAccCheckDigitalOceanFirewallExists(n string, firewall *godo.Firewall) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		rs, ok := s.RootModule().Resources[n]

		if !ok {
			return fmt.Errorf("Not found: %s", n)
		}

		if rs.Primary.ID == "" {
			return fmt.Errorf("No Record ID is set")
		}

		client := testAccProvider.Meta().(*godo.Client)

		foundFirewall, _, err := client.Firewalls.Get(context.Background(), rs.Primary.ID)

		if err != nil {
			return err
		}

		if foundFirewall.ID != rs.Primary.ID {
			return fmt.Errorf("Record not found")
		}

		*firewall = *foundFirewall

		return nil
	}
}