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vcn.tf
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vcn.tf
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resource "oci_core_vcn" "k8s-vcn" {
cidr_blocks = ["10.0.0.0/16"]
compartment_id = var.compartment_ocid
display_name = "k8s-vcn"
is_ipv6enabled = "false"
}
resource "oci_core_internet_gateway" "k8s-igw" {
compartment_id = var.compartment_ocid
display_name = "k8s-igw"
vcn_id = oci_core_vcn.k8s-vcn.id
}
resource "oci_core_nat_gateway" "k8s-nat" {
compartment_id = var.compartment_ocid
display_name = "k8s-nat"
vcn_id = oci_core_vcn.k8s-vcn.id
}
resource "oci_core_route_table" "k8s-pub-rt" {
compartment_id = var.compartment_ocid
display_name = "k8s-pub-rt"
vcn_id = oci_core_vcn.k8s-vcn.id
route_rules {
network_entity_id = oci_core_internet_gateway.k8s-igw.id
destination_type = "CIDR_BLOCK"
destination = "0.0.0.0/0"
description = "Route to the internet gateway"
}
}
resource "oci_core_route_table" "k8s-priv-rt" {
compartment_id = var.compartment_ocid
display_name = "k8s-priv-rt"
vcn_id = oci_core_vcn.k8s-vcn.id
route_rules {
network_entity_id = oci_core_nat_gateway.k8s-nat.id
destination_type = "CIDR_BLOCK"
destination = "0.0.0.0/0"
description = "Route to the NAT gateway"
}
}
resource "oci_core_security_list" "k8s-pub-sec-list" {
compartment_id = var.compartment_ocid
display_name = "k8s-pub-sec-list"
vcn_id = oci_core_vcn.k8s-vcn.id
egress_security_rules {
destination = "0.0.0.0/0"
protocol = "all"
description = "Allow all traffic to the internet"
}
ingress_security_rules {
source = "0.0.0.0/0"
protocol = 6
tcp_options {
max = 22
min = 22
}
description = "Allow SSH traffic"
}
ingress_security_rules {
source = "0.0.0.0/0"
protocol = 6
tcp_options {
max = 80
min = 80
}
description = "Allow HTTP traffic"
}
ingress_security_rules {
source = "0.0.0.0/0"
protocol = 6
tcp_options {
max = 443
min = 443
}
description = "Allow HTTPS traffic"
}
ingress_security_rules {
source = "10.0.0.0/16"
protocol = "all"
description = "Allow all traffic from the VCN"
}
}
resource "oci_core_security_list" "k8s-priv-sec-list" {
compartment_id = var.compartment_ocid
display_name = "k8s-priv-sec-list"
vcn_id = oci_core_vcn.k8s-vcn.id
egress_security_rules {
destination = "0.0.0.0/0"
protocol = "all"
description = "Allow all traffic to the internet"
}
ingress_security_rules {
source = "10.0.0.0/16"
protocol = "all"
description = "Allow all traffic from the VCN"
}
}
resource "oci_core_subnet" "k8s-public" {
cidr_block = "10.0.1.0/24"
compartment_id = var.compartment_ocid
display_name = "k8s-public"
vcn_id = oci_core_vcn.k8s-vcn.id
route_table_id = oci_core_route_table.k8s-pub-rt.id
security_list_ids = [oci_core_security_list.k8s-pub-sec-list.id]
}
resource "oci_core_subnet" "k8s-private" {
count = 2
cidr_block = "10.0.${count.index + 2}.0/24"
compartment_id = var.compartment_ocid
display_name = "k8s-private0${count.index + 1}"
vcn_id = oci_core_vcn.k8s-vcn.id
prohibit_public_ip_on_vnic = true
route_table_id = oci_core_route_table.k8s-priv-rt.id
security_list_ids = [oci_core_security_list.k8s-priv-sec-list.id]
}