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lacework_cluster.tf
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lacework_cluster.tf
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locals {
cluster_config_data = templatefile("${path.module}/config_cluster.tmpl", {
lacework_cluster_name = var.lacework_cluster_name
lacework_cluster_region = var.lacework_cluster_region
lacework_cluster_type = var.lacework_cluster_type
lacework_server_url = var.lacework_server_url
})
cluster_config_name = "${var.lacework_config_name}-${random_id.cluster_config_name_tail.hex}"
merged_cluster_config = var.enable_cluster_agent ? yamlencode(merge(yamldecode(local.cluster_config_data), var.lacework_cluster_configuration)) : ""
}
resource "random_id" "cluster_config_name_tail" {
byte_length = 8
keepers = {
data = local.merged_cluster_config
}
}
resource "kubernetes_service_account" "lacework_k8s_collector" {
count = var.enable_cluster_agent ? 1 : 0
metadata {
name = "${var.lacework_agent_name}-cluster-sa"
namespace = var.namespace
}
}
resource "kubernetes_cluster_role" "lacework_k8s_collector" {
count = var.enable_cluster_agent ? 1 : 0
metadata {
name = "${var.lacework_agent_name}-cluster-role"
}
rule {
api_groups = ["*"]
resources = ["*"]
verbs = ["get", "list"]
}
}
resource "kubernetes_cluster_role_binding" "lacework_k8s_collector" {
count = var.enable_cluster_agent ? 1 : 0
metadata {
name = "${var.lacework_agent_name}-cluster-role-binding"
}
role_ref {
api_group = "rbac.authorization.k8s.io"
kind = "ClusterRole"
name = "${var.lacework_agent_name}-cluster-role"
}
subject {
kind = "ServiceAccount"
name = "${var.lacework_agent_name}-cluster-sa"
namespace = var.namespace
}
depends_on = [
kubernetes_service_account.lacework_k8s_collector,
kubernetes_cluster_role.lacework_k8s_collector
]
}
resource "kubernetes_secret" "lacework_k8s_collector" {
count = var.enable_cluster_agent ? 1 : 0
metadata {
name = local.cluster_config_name
namespace = var.namespace
labels = {
tier = "monitoring"
app = "${var.lacework_agent_name}-cluster"
}
}
data = {
"config.yaml" = local.merged_cluster_config
}
}
resource "kubernetes_deployment" "lacework_k8s_collector" {
count = var.enable_cluster_agent ? 1 : 0
metadata {
name = "${var.lacework_agent_name}-cluster"
namespace = var.namespace
labels = {
tier = "monitoring"
app = "${var.lacework_agent_name}-cluster"
}
}
spec {
selector {
match_labels = {
name = "${var.lacework_agent_name}-cluster"
}
}
template {
metadata {
labels = {
name = "${var.lacework_agent_name}-cluster"
}
annotations = {
lacework_config_version = kubernetes_secret.lacework_k8s_collector[0].metadata.0.resource_version
}
}
spec {
service_account_name = "${var.lacework_agent_name}-cluster-sa"
termination_grace_period_seconds = 20
container {
name = "${var.lacework_agent_name}-cluster"
image = var.lacework_cluster_image
image_pull_policy = var.lacework_cluster_image_pull_policy
env {
name = "LaceworkAccessToken"
value_from {
secret_key_ref {
name = "${var.lacework_agent_name}-access-token"
key = "agent-access-token"
}
}
}
resources {
requests = {
cpu = var.lacework_cluster_cpu_request
memory = var.lacework_cluster_mem_request
}
limits = {
cpu = var.lacework_cluster_cpu_limit
memory = var.lacework_cluster_mem_limit
}
}
security_context {
privileged = false
run_as_non_root = true
run_as_user = 5001
read_only_root_filesystem = true
allow_privilege_escalation = false
}
volume_mount {
name = "cfgmap"
mount_path = "/config"
}
}
volume {
name = "cfgmap"
secret {
secret_name = local.cluster_config_name
items {
key = "config.yaml"
path = "config.yaml"
}
}
}
}
}
}
depends_on = [
kubernetes_service_account.lacework_k8s_collector,
kubernetes_cluster_role.lacework_k8s_collector,
kubernetes_secret.lacework_k8s_collector,
kubernetes_cluster_role_binding.lacework_k8s_collector,
]
}