google-cloud-ncc-tutorial/spokes.tf at main · PaloAltoNetworks/google-cloud-ncc-tutorial · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
# -------------------------------------------------------------------------------------
# Create Spoke1 VPC
# -------------------------------------------------------------------------------------

// Create spoke1 VPC
resource "google_compute_network" "spoke1" {
  name                    = "${local.prefix}spoke1-vpc"
  auto_create_subnetworks = false
}

// Create spoke1 subnetwork
resource "google_compute_subnetwork" "spoke1_subnet1" {
  name          = "${local.prefix}${var.region}-spoke1"
  ip_cidr_range = var.cidr_spoke1
  region        = var.region
  network       = google_compute_network.spoke1.id
}

// Allow all intra-VPC traffic within the spoke1 VPC
resource "google_compute_firewall" "spoke1" {
  name          = "${local.prefix}spoke1-ingress"
  network       = google_compute_network.spoke1.name
  source_ranges = ["0.0.0.0/0"]

  allow {
    protocol = "all"
    ports    = []
  }
}

// Create default route to ILB through NCC hub
resource "google_compute_route" "spoke1" {
  name         = "${google_compute_network.spoke1.name}-route"
  dest_range   = "0.0.0.0/0"
  network      = google_compute_network.spoke1.name
  next_hop_ilb = google_compute_forwarding_rule.intlb.ip_address
  priority     = 100
}

// Create spoke1 VM for testing
resource "google_compute_instance" "spoke1_vm1" {
  name                      = "${local.prefix}spoke1-vm1"
  machine_type              = "f1-micro"
  zone                      = data.google_compute_zones.main.names[0]
  can_ip_forward            = false
  allow_stopping_for_update = true

  metadata = {
    serial-port-enable = true
    ssh-keys           = "paloalto:${file(var.public_key_path)}"
  }

  network_interface {
    subnetwork = google_compute_subnetwork.spoke1_subnet1.self_link
    network_ip = cidrhost(var.cidr_spoke1, 10)
  }

  boot_disk {
    initialize_params {
      image = "https://www.googleapis.com/compute/v1/projects/panw-gcp-team-testing/global/images/ubuntu-2004-lts-jenkins"
    }
  }

  service_account {
    scopes = [
      "https://www.googleapis.com/auth/cloud.useraccounts.readonly",
      "https://www.googleapis.com/auth/devstorage.read_only",
      "https://www.googleapis.com/auth/logging.write",
      "https://www.googleapis.com/auth/monitoring.write"
    ]
  }
}

# -------------------------------------------------------------------------------------
# Create Spoke2 VPC
# -------------------------------------------------------------------------------------

// Create spoke2 VPC
resource "google_compute_network" "spoke2" {
  name                    = "${local.prefix}spoke2-vpc"
  auto_create_subnetworks = false
}

// Create spoke2 subnetwork
resource "google_compute_subnetwork" "spoke2_subnet1" {
  name          = "${local.prefix}${var.region}-spoke2"
  ip_cidr_range = var.cidr_spoke2
  region        = var.region
  network       = google_compute_network.spoke2.id
}

// Allow all intra-VPC traffic within the spoke2 VPC
resource "google_compute_firewall" "spoke2" {
  name          = "${local.prefix}spoke2-ingress"
  network       = google_compute_network.spoke2.name
  source_ranges = ["0.0.0.0/0"]

  allow {
    protocol = "all"
    ports    = []
  }
}

// Create default route to ILB through NCC hub
resource "google_compute_route" "spoke2" {
  name         = "${google_compute_network.spoke2.name}-route"
  dest_range   = "0.0.0.0/0"
  network      = google_compute_network.spoke2.name
  next_hop_ilb = google_compute_forwarding_rule.intlb.ip_address
  priority     = 100
}


// Create spoke2 VM for testing
resource "google_compute_instance" "spoke2_vm1" {
  name                      = "${local.prefix}spoke2-vm1"
  machine_type              = "f1-micro"
  zone                      = data.google_compute_zones.main.names[0]
  can_ip_forward            = false
  allow_stopping_for_update = true

  metadata = {
    serial-port-enable = true
    ssh-keys           = "paloalto:${file(var.public_key_path)}"
  }

  network_interface {
    subnetwork = google_compute_subnetwork.spoke2_subnet1.self_link
    network_ip = cidrhost(var.cidr_spoke2, 10)
  }

  boot_disk {
    initialize_params {
      image = "ubuntu-os-cloud/ubuntu-2204-lts"
    }
  }

  service_account {
    scopes = [
      "https://www.googleapis.com/auth/cloud.useraccounts.readonly",
      "https://www.googleapis.com/auth/devstorage.read_only",
      "https://www.googleapis.com/auth/logging.write",
      "https://www.googleapis.com/auth/monitoring.write"
    ]
  }
}