Add custom error pages and Nginx configuration for proxy module
- Introduced custom HTML error pages for various HTTP status codes (400, 401, 403, 404, 408, 429, 500, 502, 503, 504) in the proxy module. - Created a .gitignore file to exclude non-HTML files in the error resources directory. - Updated Nginx configuration to serve custom error pages for upstream errors. - Added new Nginx configuration templates for handling HTTP and stream protocols. - Implemented Wireguard configuration templates and associated variables for secure connections. - Established Kubernetes resources for Stunnel and Wireguard, including deployment, service accounts, and config maps. - Defined variables for the Stunnel and Wireguard modules to facilitate configuration. - Created a new Wol Proxy module with Kubernetes resources for deployment and service management.
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resource "kubernetes_namespace" "stunnel" {
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metadata {
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name = "stunnel"
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annotations = {
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name = "stunnel"
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}
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labels = {
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name = "stunnel"
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}
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}
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}
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resource "kubernetes_service_account" "stunnel_service_account" {
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metadata {
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name = "stunnel-app-sa"
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namespace = kubernetes_namespace.stunnel.metadata[0].name
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}
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automount_service_account_token = false
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}
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resource "kubernetes_config_map" "wireguard_config" {
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count = local.wireguard_config != "null" ? 1 : 0
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metadata {
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name = "wireguard-config"
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namespace = kubernetes_namespace.stunnel.metadata[0].name
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}
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data = {
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"wireguard.conf" = local.wireguard_config
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}
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}
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resource "kubernetes_config_map" "stunnel_config" {
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metadata {
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name = "stunnel-config"
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namespace = kubernetes_namespace.stunnel.metadata[0].name
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}
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data = {
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"stunnel.conf" = local.stunnel_config
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}
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}
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resource "kubernetes_deployment" "stunnel" {
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metadata {
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name = "stunnel"
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namespace = kubernetes_namespace.stunnel.metadata[0].name
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annotations = {
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"security.alpha.kubernetes.io/unsafe-sysctls" = "net.ipv4.conf.all.src_valid_mark=1"
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}
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}
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spec {
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replicas = 1
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selector {
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match_labels = {
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app = "stunnel"
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}
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}
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strategy {
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type = "Recreate"
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}
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template {
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metadata {
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labels = {
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app = "stunnel"
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}
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annotations = {
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"checksum/stunnel" = local.stunnel_config_checksum
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"checksum/wireguard" = local.wireguard_config_checksum
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}
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}
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spec {
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dynamic "container" {
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for_each = nonsensitive(local.wireguard_config) != "null" ? [1] : []
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content {
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name = "wireguard"
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image = "linuxserver/wireguard:${local.wireguard_version}"
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resources {
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requests = {
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memory = "64Mi"
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}
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}
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liveness_probe {
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exec {
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command = [
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"/bin/sh",
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"-c",
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"wg show | grep -q transfer"
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]
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}
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initial_delay_seconds = 90
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period_seconds = 90
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}
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security_context {
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privileged = true
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capabilities {
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add = ["NET_ADMIN"]
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}
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read_only_root_filesystem = true
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}
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env {
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name = "PUID"
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value = "1000"
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}
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env {
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name = "PGID"
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value = "1000"
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}
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env {
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name = "TZ"
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value = "Europe/Berlin"
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}
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volume_mount {
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name = "wireguard-config"
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mount_path = "/config/wg_confs"
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read_only = true
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}
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volume_mount {
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name = "lib-modules"
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mount_path = "/lib/modules"
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read_only = true
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}
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volume_mount {
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name = "wireguard-run"
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mount_path = "/run"
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}
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}
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}
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container {
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name = "stunnel"
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image = "chainguard/stunnel:${local.stunnel_version}"
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args = ["/etc/conf/stunnel.conf"]
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volume_mount {
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name = "stunnel-config"
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mount_path = "/etc/conf"
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read_only = true
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}
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volume_mount {
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name = "stunnel-certs"
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mount_path = "/etc/ssl/certs/private"
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read_only = true
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}
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dynamic "port" {
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for_each = var.remote_targets
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content {
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container_port = port.value.listen_port
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name = substr(replace(port.key, ".", "-"), 0, 15)
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protocol = coalesce(upper(port.value.protocol), "TCP")
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}
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}
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}
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dynamic "volume" {
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for_each = nonsensitive(local.wireguard_config) != "null" ? [1] : []
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content {
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name = "wireguard-config"
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config_map {
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name = nonsensitive(kubernetes_config_map.wireguard_config[0].metadata[0].name)
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}
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}
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}
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dynamic "volume" {
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for_each = nonsensitive(local.wireguard_config) != "null" ? [1] : []
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content {
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name = "lib-modules"
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host_path {
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path = "/lib/modules"
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}
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}
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}
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dynamic "volume" {
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for_each = nonsensitive(local.wireguard_config) != "null" ? [1] : []
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content {
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name = "wireguard-run"
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empty_dir {
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medium = "Memory"
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}
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}
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}
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volume {
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name = "stunnel-config"
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config_map {
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name = kubernetes_config_map.stunnel_config.metadata[0].name
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}
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}
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volume {
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name = "stunnel-certs"
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secret {
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secret_name = "remote-targets-cert"
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}
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}
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}
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}
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}
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lifecycle {
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ignore_changes = [spec[0].template[0].metadata[0].annotations["kubectl.kubernetes.io/restartedAt"]]
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}
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}
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resource "kubernetes_manifest" "remote_targets_cert" {
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manifest = {
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apiVersion = "cert-manager.io/v1"
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kind = "Certificate"
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metadata = {
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name = "remote-targets-cert"
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namespace = kubernetes_namespace.stunnel.metadata[0].name
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}
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spec = {
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secretName = "remote-targets-cert"
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issuerRef = {
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name = var.issuer_name
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kind = "ClusterIssuer"
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}
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commonName = "stunnel.remote_targets.internal"
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dnsNames = flatten([
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for k, v in var.remote_targets : "${k}.stunnel.svc.cluster.local"
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])
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}
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}
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}
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resource "kubernetes_manifest" "local_targets_cert" {
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manifest = {
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apiVersion = "cert-manager.io/v1"
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kind = "Certificate"
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metadata = {
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name = "local-targets-cert"
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namespace = kubernetes_namespace.stunnel.metadata[0].name
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}
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spec = {
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secretName = "local-targets-cert"
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issuerRef = {
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name = var.issuer_name
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kind = "ClusterIssuer"
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}
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commonName = "stunnel.local_targets.internal"
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dnsNames = flatten([
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for _, v in var.local_targets : v.target_host
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])
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}
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}
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}
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resource "kubernetes_service" "services" {
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for_each = var.remote_targets
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metadata {
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name = format("%s", replace(each.key, ".", "-"))
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namespace = kubernetes_namespace.stunnel.metadata[0].name
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}
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spec {
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port {
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name = substr(format("%s", replace(each.key, ".", "-")), 0, 15)
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port = each.value.listen_port
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target_port = substr(format("%s", replace(each.key, ".", "-")), 0, 15)
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}
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selector = {
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app = "stunnel"
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}
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type = "ClusterIP"
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}
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}
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