This commit is contained in:
41666 2020-10-09 10:54:55 -04:00
parent a5e2fdc7a7
commit ec505739c8
31 changed files with 1394 additions and 0 deletions

33
terraform/.gitignore vendored Normal file
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# Local .terraform directories
**/.terraform
# .tfstate files
*.tfstate
*.tfstate.*
# Crash log files
crash.log
# Ignore any .tfvars files that are generated automatically for each Terraform run. Most
# .tfvars files are managed as part of configuration and so should be included in
# version control.
#
# example.tfvars
# Ignore override files as they are usually used to override resources locally and so
# are not checked in
override.tf
override.tf.json
*_override.tf
*_override.tf.json
# Include override files you do wish to add to version control using negated pattern
#
# !example_override.tf
# Include tfplan files to ignore the plan output of command: terraform plan -out=tfplan
# example: *tfplan*
# Ignore CLI configuration files
.terraformrc
terraform.rc

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terraform/app/discord.tf Normal file
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locals {
discord_labels = {
"app.kubernetes.io/name" = "discord"
"app.kubernetes.io/part-of" = "roleypoly"
"roleypoly/environment" = var.environment_tag
}
}
resource "kubernetes_deployment" "discord" {
metadata {
name = "discord"
namespace = local.ns
labels = local.discord_labels
}
spec {
replicas = 1
selector {
match_labels = local.discord_labels
}
template {
metadata {
labels = local.discord_labels
}
spec {
container {
image = "roleypoly/discord:${local.tags.discord}"
name = "discord"
liveness_probe {
http_get {
path = "/"
port = 16777
}
initial_delay_seconds = 3
period_seconds = 3
}
readiness_probe {
http_get {
path = "/"
port = 16777
}
initial_delay_seconds = 3
period_seconds = 3
}
}
}
}
}
}

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terraform {
required_version = ">=0.12.6"
backend "remote" {
organization = "Roleypoly"
workspaces {
prefix = "roleypoly-app-"
}
}
}
variable "k8s_endpoint" { type = string }
variable "k8s_token" { type = string }
variable "k8s_cert" { type = string }
variable "k8s_namespace" { type = string }
provider "kubernetes" {
load_config_file = false
token = var.k8s_token
host = var.k8s_endpoint
cluster_ca_certificate = var.k8s_cert
}
locals {
ns = var.k8s_namespace
}

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{
"deployment_env": {
"production": {},
"staging": {}
}
}

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variable "deployment_env" {
type = map(map(string))
}
variable "environment_tag" {
type = string
description = "One of: production, staging, test"
}
locals {
tags = var.deployment_env[var.environment_tag]
}

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# Primary cluster hostname
resource "cloudflare_record" "cluster" {
zone_id = var.cloudflare-zone-id
name = var.record-name
value = var.ingress-endpoint
type = "A"
proxied = true
}
# PRD & STG records for direct FQDN usage
# Long term, these will also be CNAME'd to
# - prd == roleypoly.com
# - stg == beta.roleypoly.com
resource "cloudflare_record" "prd" {
zone_id = var.cloudflare-zone-id
name = "prd.${var.record-name}"
value = cloudflare_record.cluster.hostname
type = "CNAME"
proxied = true
}
resource "cloudflare_record" "stg" {
zone_id = var.cloudflare-zone-id
name = "stg.${var.record-name}"
value = cloudflare_record.cluster.hostname
type = "CNAME"
proxied = true
}
# Origin CA Cert
resource "tls_private_key" "origin-ca-key" {
algorithm = "ECDSA"
}
resource "tls_cert_request" "origin-ca-csr" {
key_algorithm = tls_private_key.origin-ca-key.algorithm
private_key_pem = tls_private_key.origin-ca-key.private_key_pem
subject {
common_name = "roleypoly.com"
organization = "Roleypoly"
}
}
resource "cloudflare_origin_ca_certificate" "origin-ca-cert" {
csr = tls_cert_request.origin-ca-csr.cert_request_pem
hostnames = [
cloudflare_record.cluster.hostname,
cloudflare_record.prd.hostname,
cloudflare_record.stg.hostname
]
request_type = "origin-ecc"
requested_validity = 1095 # 3 years
}
resource "kubernetes_secret" "cloudflare-origin" {
type = "kubernetes.io/tls"
metadata {
name = "cloudflare-origin"
namespace = "default"
}
data = {
"tls.crt" = base64encode(cloudflare_origin_ca_certificate.origin-ca-cert.certificate),
"tls.key" = base64encode(tls_private_key.origin-ca-key.private_key_pem)
}
}

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variable "ingress-name" {
type = string
}
variable "ingress-namespace" {
type = string
}
variable "ingress-endpoint" {
type = string
}
variable "cloudflare-zone-id" {
type = string
}
variable "record-name" {
type = string
}

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terraform {
required_version = ">=0.12"
}

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locals {
ns = "${var.app_name}-${var.environment_tag}"
labels = {
"app.kubernetes.io/name" = var.app_name
"app.kubernetes.io/part-of" = var.app_name
"roleypoly/environment" = var.environment_tag
}
}
resource "kubernetes_namespace" "ns" {
metadata {
name = local.ns
labels = local.labels
}
}
resource "kubernetes_service_account" "sa" {
metadata {
name = "${local.ns}-sa-tf"
namespace = local.ns
labels = local.labels
}
}
resource "kubernetes_secret" "sa-key" {
metadata {
name = "${local.ns}-sa-tf-key"
namespace = local.ns
labels = local.labels
annotations = {
"kubernetes.io/service-account.name" = kubernetes_service_account.sa.metadata.0.name
}
}
type = "kubernetes.io/service-account-token"
}
resource "kubernetes_role_binding" "sa-admin-rb" {
metadata {
name = "${local.ns}-sa-admin-binding"
namespace = local.ns
labels = local.labels
}
subject {
kind = "ServiceAccount"
name = kubernetes_service_account.sa.metadata.0.name
namespace = local.ns
}
role_ref {
kind = "ClusterRole"
name = "admin"
api_group = "rbac.authorization.k8s.io"
}
}

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output "service_account_token" {
value = lookup(kubernetes_secret.sa-key, "data.token", "")
}
output "namespace" {
value = local.ns
}

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variable "environment_tag" {
type = string
default = "main"
}
variable "app_name" {
type = string
}

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locals {
ns = kubernetes_namespace.ns.metadata.0.name
labels = {
"app.kubernetes.io/name" = "ingress-nginx"
"app.kubernetes.io/part-of" = "ingress-nginx"
}
}
resource "kubernetes_namespace" "ns" {
metadata {
name = "ingress-nginx"
labels = local.labels
}
}
resource "kubernetes_config_map" "cm-nginx" {
metadata {
name = "nginx-configuration"
namespace = local.ns
labels = local.labels
}
}
resource "kubernetes_config_map" "cm-tcp" {
metadata {
name = "tcp-services"
namespace = local.ns
labels = local.labels
}
}
resource "kubernetes_config_map" "cm-udp" {
metadata {
name = "udp-services"
namespace = local.ns
labels = local.labels
}
}
resource "kubernetes_service_account" "sa" {
metadata {
name = "nginx-ingress-serviceaccount"
namespace = local.ns
labels = local.labels
}
}
resource "kubernetes_cluster_role" "cr" {
metadata {
name = "nginx-ingress-clusterrole"
labels = local.labels
}
rule {
api_groups = [""]
resources = ["configmaps", "endpoints", "nodes", "pods", "secrets"]
verbs = ["list", "watch"]
}
rule {
api_groups = [""]
resources = ["nodes"]
verbs = ["get"]
}
rule {
api_groups = [""]
resources = ["services"]
verbs = ["get", "list", "watch"]
}
rule {
api_groups = [""]
resources = ["events"]
verbs = ["create", "patch"]
}
rule {
api_groups = ["extensions", "networking.k8s.io"]
resources = ["ingresses"]
verbs = ["get", "list", "watch"]
}
rule {
api_groups = ["extensions", "networking.k8s.io"]
resources = ["ingresses/status"]
verbs = ["update"]
}
}
resource "kubernetes_role" "role" {
metadata {
name = "nginx-ingress-role"
namespace = local.ns
labels = local.labels
}
rule {
api_groups = [""]
resources = ["configmaps", "pods", "secrets", "namespaces"]
verbs = ["get"]
}
rule {
api_groups = [""]
resources = ["configmaps"]
resource_names = ["ingress-controller-leader-nginx"]
verbs = ["get", "update"]
}
rule {
api_groups = [""]
resources = ["configmaps"]
verbs = ["create"]
}
rule {
api_groups = [""]
resources = ["endpoints"]
verbs = ["get"]
}
}
resource "kubernetes_role_binding" "rb" {
metadata {
name = "nginx-ingress-role-nisa-binding"
namespace = local.ns
labels = local.labels
}
role_ref {
api_group = "rbac.authorization.k8s.io"
kind = "Role"
name = kubernetes_role.role.metadata.0.name
}
subject {
kind = "ServiceAccount"
name = kubernetes_service_account.sa.metadata.0.name
namespace = local.ns
}
}
resource "kubernetes_cluster_role_binding" "crb" {
metadata {
name = "nginx-ingress-clusterrole-nisa-binding"
labels = local.labels
}
role_ref {
api_group = "rbac.authorization.k8s.io"
kind = "ClusterRole"
name = kubernetes_cluster_role.cr.metadata.0.name
}
subject {
kind = "ServiceAccount"
name = kubernetes_service_account.sa.metadata.0.name
namespace = local.ns
}
}
resource "kubernetes_deployment" "deployment" {
metadata {
name = "nginx-ingress-controller"
namespace = local.ns
labels = local.labels
}
spec {
replicas = 3
selector {
match_labels = local.labels
}
template {
metadata {
labels = local.labels
annotations = {
"prometheus.io/port" = "10254"
"prometheus.io/scrape" = "true"
}
}
spec {
automount_service_account_token = true
termination_grace_period_seconds = 300
service_account_name = kubernetes_service_account.sa.metadata.0.name
node_selector = {
"kubernetes.io/os" = "linux"
node_type = "static"
}
container {
name = "nginx-ingress-controller"
image = "quay.io/kubernetes-ingress-controller/nginx-ingress-controller:${var.nginx-ingress-version}"
args = [
"/nginx-ingress-controller",
"--configmap=${local.ns}/${kubernetes_config_map.cm-nginx.metadata.0.name}",
"--tcp-services-configmap=${local.ns}/${kubernetes_config_map.cm-tcp.metadata.0.name}",
"--udp-services-configmap=${local.ns}/${kubernetes_config_map.cm-udp.metadata.0.name}",
"--publish-service=${local.ns}/ingress-nginx",
"--annotations-prefix=nginx.ingress.kubernetes.io",
]
security_context {
allow_privilege_escalation = true
capabilities {
drop = ["ALL"]
add = ["NET_BIND_SERVICE"]
}
run_as_user = 101
}
env {
name = "POD_NAME"
value_from {
field_ref {
field_path = "metadata.name"
}
}
}
env {
name = "POD_NAMESPACE"
value_from {
field_ref {
field_path = "metadata.namespace"
}
}
}
port {
name = "http"
container_port = 80
protocol = "TCP"
}
port {
name = "https"
container_port = 443
protocol = "TCP"
}
liveness_probe {
http_get {
path = "/healthz"
port = 10254
scheme = "HTTP"
}
failure_threshold = 3
initial_delay_seconds = 10
period_seconds = 10
success_threshold = 1
timeout_seconds = 10
}
readiness_probe {
http_get {
path = "/healthz"
port = 10254
scheme = "HTTP"
}
failure_threshold = 3
initial_delay_seconds = 10
period_seconds = 10
success_threshold = 1
timeout_seconds = 10
}
lifecycle {
pre_stop {
exec {
command = ["/wait-shutdown"]
}
}
}
}
}
}
}
}
resource "kubernetes_limit_range" "lr" {
metadata {
name = "ingress-nginx"
namespace = local.ns
labels = local.labels
}
spec {
limit {
min = {
memory = "90Mi"
cpu = "100m"
}
type = "Container"
}
}
}
# Specific service related to Google Cloud
resource "kubernetes_service" "svc" {
metadata {
name = "ingress-nginx"
namespace = local.ns
labels = local.labels
}
spec {
external_traffic_policy = "Local"
type = "LoadBalancer"
selector = local.labels
port {
name = "http"
port = 80
protocol = "TCP"
target_port = "http"
}
port {
name = "https"
port = 443
protocol = "TCP"
target_port = "https"
}
}
lifecycle {
ignore_changes = [
// We add no annotations, but DO adds some.
metadata[0].annotations,
]
}
}

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output "service-name" {
value = kubernetes_service.svc.metadata.0.name
}
output "service-namespace" {
value = kubernetes_service.svc.metadata.0.namespace
}
output "service-endpoint" {
value = kubernetes_service.svc.load_balancer_ingress.0.ip
}

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variable "nginx-ingress-version" {
type = string
default = "0.30.0"
}

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terraform {
required_version = ">=0.12"
}

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locals {
dependentModulesPathed = formatlist("terraform/modules/%s", var.dependent_modules)
variableDescription = "Terraform-owned variable"
}
resource "tfe_workspace" "ws" {
name = var.workspace-name
organization = var.tfc_org
auto_apply = var.auto_apply
trigger_prefixes = concat([var.directory], local.dependentModulesPathed)
working_directory = var.directory
vcs_repo {
identifier = var.repo
branch = var.branch
oauth_token_id = var.tfc_oauth_token_id
}
}
resource "tfe_notification_configuration" "webhook" {
name = "${var.workspace-name}-webhook"
enabled = true
destination_type = "slack"
triggers = ["run:created", "run:planning", "run:needs_attention", "run:applying", "run:completed", "run:errored"]
url = var.tfc_webhook_url
workspace_id = tfe_workspace.ws.id
}
resource "tfe_variable" "vars" {
for_each = var.vars
key = each.key
value = each.value
category = "terraform"
workspace_id = tfe_workspace.ws.id
sensitive = false
}
resource "tfe_variable" "sensitive" {
for_each = var.secret-vars
key = each.key
value = each.value
category = "terraform"
workspace_id = tfe_workspace.ws.id
sensitive = true
}
resource "tfe_variable" "env" {
for_each = var.env-vars
key = each.key
value = each.value
category = "env"
workspace_id = tfe_workspace.ws.id
sensitive = true
}

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output "workspace" {
value = tfe_workspace.ws[*]
}

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variable "workspace-name" {
type = string
}
variable "secret-vars" {
type = map(string)
default = {}
}
variable "vars" {
type = map(string)
default = {}
}
variable "env-vars" {
type = map(string)
default = {}
}
variable "repo" {
type = string
}
variable "directory" {
type = string
default = "/"
}
variable "branch" {
type = string
default = "master"
}
variable "auto_apply" {
type = bool
default = false
}
variable "dependent_modules" {
type = list(string)
default = []
}
variable "tfc_oauth_token_id" {
type = string
}
variable "tfc_org" {
type = string
}
variable "tfc_webhook_url" {
type = string
}

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terraform {
required_version = ">=0.12.6"
}
provider "tfe" {
version = ">=0.15.0"
}

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module "app-env-prod" {
source = "github.com/roleypoly/devops.git//terraform/modules/cluster-environment"
environment_tag = "production"
app_name = "roleypoly"
}
module "app-env-stage" {
source = "github.com/roleypoly/devops.git//terraform/modules/cluster-environment"
environment_tag = "staging"
app_name = "roleypoly"
}

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terraform {
required_version = ">=0.12.6"
backend "remote" {
organization = "Roleypoly"
workspaces {
name = "roleypoly-platform-app"
}
}
}
/*
Terraform Cloud
*/
variable "tfc_email" { type = string }
variable "tfc_oauth_token_id" { type = string }
variable "tfc_webhook_url" { type = string }
provider "tfe" {
version = ">=0.15.0"
}
/*
Cloudflare (for tfc vars)
*/
variable "cloudflare_token" { type = string }
variable "cloudflare_email" { type = string }
variable "cloudflare_zone_id" { type = string }
provider "cloudflare" {
version = ">=2.0"
email = var.cloudflare_email
api_token = var.cloudflare_token
api_user_service_key = var.cloudflare_origin_ca_token
}
/*
Kubernetes
*/
variable "k8s_endpoint" { type = string }
variable "k8s_token" { type = string }
variable "k8s_cert" { type = string }
provider "kubernetes" {
load_config_file = false
token = var.k8s_token
host = var.k8s_endpoint
cluster_ca_certificate = var.k8s_cert
}

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locals {
repo = "roleypoly/devops"
branch = "master"
tfc_org = "Roleypoly"
common_vars = {}
common_secret_vars = {
cloudflare_token = var.cloudflare_token,
cloudflare_email = var.cloudflare_email,
cloudflare_zone_id = var.cloudflare_zone_id,
k8s_endpoint = var.k8s_endpoint,
}
}
module "tfcws-production" {
source = "github.com/roleypoly/devops.git//terraform/modules/tfc-workspace"
workspace-name = "roleypoly-app-production"
repo = local.repo
branch = local.branch
tfc_webhook_url = var.tfc_webhook_url
directory = "terraform/app"
auto_apply = false
dependent_modules = []
tfc_org = local.tfc_org
tfc_oauth_token_id = var.tfc_oauth_token_id
vars = merge(local.common_vars, {
environment_tag = "production",
ingress_hostname = "prd.roleypoly-nyc.kc"
k8s_namespace = module.app-env-prod.namespace,
})
secret-vars = merge(local.common_secret_vars, {
k8s_cert = var.k8s_cert,
})
}
module "tfcws-staging" {
source = "github.com/roleypoly/devops.git//terraform/modules/tfc-workspace"
workspace-name = "roleypoly-app-staging"
repo = local.repo
branch = local.branch
tfc_webhook_url = var.tfc_webhook_url
directory = "terraform/app"
auto_apply = true
dependent_modules = []
tfc_org = local.tfc_org
tfc_oauth_token_id = var.tfc_oauth_token_id
vars = merge(local.common_vars, {
environment_tag = "staging",
ingress_hostname = "stg.roleypoly-nyc.kc"
k8s_namespace = module.app-env-stage.namespace,
})
secret-vars = merge(local.common_secret_vars, {
k8s_cert = var.k8s_cert,
})
}
// Due to quirk, we must set secret vars manually.
resource "tfe_variable" "k8s-token-prod" {
key = "k8s_token"
value = module.app-env-prod.service_account_token
category = "terraform"
workspace_id = module.tfcws-production.workspace.0.id
sensitive = true
}
resource "tfe_variable" "k8s-token-stage" {
key = "k8s_token"
value = module.app-env-stage.service_account_token
category = "terraform"
workspace_id = module.tfcws-staging.workspace.0.id
sensitive = true
}

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gcs_region = "us-east1-d"

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data "digitalocean_kubernetes_versions" "versions" {
version_prefix = "1.16."
}
resource "digitalocean_kubernetes_cluster" "cluster" {
name = "roleypoly-nyc"
region = "nyc1"
version = data.digitalocean_kubernetes_versions.versions.latest_version
node_pool {
name = "default-worker-pool"
size = "s-2vcpu-2gb"
node_count = 3
labels = {
node_type = "static"
}
}
}
locals {
k8sEndpoint = digitalocean_kubernetes_cluster.cluster.endpoint
k8sToken = digitalocean_kubernetes_cluster.cluster.kube_config[0].token
k8sCert = base64decode(
digitalocean_kubernetes_cluster.cluster.kube_config[0].cluster_ca_certificate
)
}

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terraform {
required_version = ">=0.12.6"
backend "remote" {
organization = "Roleypoly"
workspaces {
name = "roleypoly-platform-bootstrap"
}
}
}
/*
Google Cloud
*/
variable "gcs_token" { type = string }
variable "gcs_region" { type = string }
variable "gcs_project" { type = string }
provider "google" {
version = ">=3.18.0"
project = var.gcs_project
region = var.gcs_region
credentials = var.gcs_token
scopes = [
"https://www.googleapis.com/auth/devstorage.full_control",
"https://www.googleapis.com/auth/cloud-platform",
]
}
/*
DigitalOcean
*/
variable "digitalocean_token" { type = string }
provider "digitalocean" {
version = ">=1.16.0"
token = var.digitalocean_token
}
/*
Terraform Cloud
*/
variable "tfc_token" { type = string }
variable "tfc_email" { type = string }
variable "tfc_oauth_token_id" { type = string }
variable "tfc_webhook_url" { type = string }
provider "tfe" {
version = ">=0.15.0"
token = var.tfc_token
}
/*
Cloudflare (for tfc vars)
*/
variable "cloudflare_token" { type = string }
variable "cloudflare_email" { type = string }
variable "cloudflare_zone_id" { type = string }
variable "cloudflare_origin_ca_token" { type = string }

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locals {
repo = "roleypoly/devops"
branch = "master"
tfc_org = "Roleypoly"
}
module "tfcws-services" {
source = "github.com/roleypoly/devops.git//terraform/modules/tfc-workspace"
workspace-name = "roleypoly-platform-services"
repo = local.repo
branch = local.branch
tfc_webhook_url = var.tfc_webhook_url
directory = "terraform/platform/services"
auto_apply = false
dependent_modules = ["nginx-ingress-controller", "cloudflare-dns"]
tfc_org = local.tfc_org
tfc_oauth_token_id = var.tfc_oauth_token_id
secret-vars = {
digitalocean_token = var.digitalocean_token
cloudflare_origin_ca_token = var.cloudflare_origin_ca_token
cloudflare_zone_id = var.cloudflare_zone_id
cloudflare_token = var.cloudflare_token
cloudflare_email = var.cloudflare_email
vault_gcs_token = local.vaultGcsSvcacctKey
vault_gcs_url = local.vaultGcsUrl
k8s_endpoint = local.k8sEndpoint
k8s_token = local.k8sToken
k8s_cert = local.k8sCert
}
vars = {
gcp_region = var.gcs_region
gcp_project = var.gcs_project
}
}
module "tfcws-app" {
source = "github.com/roleypoly/devops.git//terraform/modules/tfc-workspace"
workspace-name = "roleypoly-platform-app"
repo = local.repo
branch = local.branch
tfc_webhook_url = var.tfc_webhook_url
directory = "terraform/platform/app"
auto_apply = false
dependent_modules = ["tfc-workspace", "cluster-environment"]
tfc_org = local.tfc_org
tfc_oauth_token_id = var.tfc_oauth_token_id
secret-vars = {
k8s_endpoint = local.k8sEndpoint
k8s_token = local.k8sToken
k8s_cert = local.k8sCert
cloudflare_zone_id = var.cloudflare_zone_id
cloudflare_token = var.cloudflare_token
cloudflare_email = var.cloudflare_email
tfc_email = var.tfc_email
tfc_oauth_token_id = var.tfc_oauth_token_id
tfc_webhook_url = var.tfc_webhook_url
}
env-vars = {
TFE_TOKEN = var.tfc_token
}
}

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locals {
vaultGcsSvcacctKey = google_service_account_key.vault-svcacct-key.private_key
vaultGcsUrl = google_storage_bucket.vault-backend.url
}
resource "google_service_account" "vault-svcacct" {
account_id = "vault-gcs"
display_name = "Vault Svcacct"
}
resource "google_service_account_key" "vault-svcacct-key" {
service_account_id = google_service_account.vault-svcacct.name
}
resource "google_storage_bucket" "vault-backend" {
name = "roleypoly-vault"
}
resource "google_storage_bucket_acl" "vault-backend-acl" {
bucket = google_storage_bucket.vault-backend.name
role_entity = [
"WRITER:user-${google_service_account.vault-svcacct.email}"
]
}

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resource "google_kms_key_ring" "vault-kms-ring" {
name = "vault-keyring"
location = "global"
lifecycle {
prevent_destroy = true
}
}
locals {
iam_members = [
"serviceAccount:${google_service_account.vault-svcacct.email}"
]
}
data "google_iam_policy" "vault" {
binding {
role = "roles/editor"
members = local.iam_members
}
binding {
role = "roles/cloudkms.cryptoKeyEncrypterDecrypter"
members = local.iam_members
}
}
resource "google_kms_key_ring_iam_policy" "vault-binding" {
key_ring_id = google_kms_key_ring.vault-kms-ring.id
policy_data = data.google_iam_policy.vault.policy_data
}
resource "google_kms_crypto_key" "vault-key" {
name = "vault-key"
key_ring = google_kms_key_ring.vault-kms-ring.id
rotation_period = "100000s" // just over one day
lifecycle {
prevent_destroy = true
}
}

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module "ingress-controller" {
source = "github.com/roleypoly/devops.git//terraform/modules/nginx-ingress-controller"
nginx-ingress-version = "0.32.0"
}
module "cluster-dns" {
source = "github.com/roleypoly/devops.git//terraform/modules/cloudflare-cluster-dns"
ingress-name = module.ingress-controller.service-name
ingress-namespace = module.ingress-controller.service-namespace
ingress-endpoint = module.ingress-controller.service-endpoint
cloudflare-zone-id = var.cloudflare_zone_id
record-name = "roleypoly-nyc.kc"
}

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terraform {
required_version = ">=0.12.6"
backend "remote" {
organization = "Roleypoly"
workspaces {
name = "roleypoly-platform-services"
}
}
}
/*
DigitalOcean
*/
variable "digitalocean_token" { type = string }
provider "digitalocean" {
version = ">=1.16.0"
token = var.digitalocean_token
}
/*
Cloudflare
*/
variable "cloudflare_token" { type = string }
variable "cloudflare_email" { type = string }
variable "cloudflare_zone_id" { type = string }
variable "cloudflare_origin_ca_token" { type = string }
provider "cloudflare" {
version = ">=2.0"
email = var.cloudflare_email
api_token = var.cloudflare_token
api_user_service_key = var.cloudflare_origin_ca_token
}
/*
Kubernetes
*/
variable "k8s_endpoint" { type = string }
variable "k8s_token" { type = string }
variable "k8s_cert" { type = string }
provider "kubernetes" {
load_config_file = false
token = var.k8s_token
host = var.k8s_endpoint
cluster_ca_certificate = var.k8s_cert
}
/*
Others
*/
variable "vault_gcs_token" { type = string }
variable "vault_gcs_url" { type = string }
variable "gcp_project" { type = string }
variable "gcp_region" { type = string }

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resource "kubernetes_namespace" "vault" {
metadata {
name = "vault"
}
}
locals {
vaultNs = kubernetes_namespace.vault.metadata.0.name
vaultLabels = {
"app.kubernetes.io/name" = "vault"
"app.kubernetes.io/part-of" = "vault"
}
}
resource "kubernetes_secret" "vault-svcacct" {
metadata {
generate_name = "vault-svcacct"
namespace = local.vaultNs
labels = local.vaultLabels
}
data = {
"vault-service-account.json" = base64decode(var.vault_gcs_token)
}
}
resource "kubernetes_config_map" "vault-cm" {
metadata {
generate_name = "vault-config"
namespace = local.vaultNs
labels = local.vaultLabels
}
data = {
"vault-config.json" = jsonencode({
// Enables UI
ui = true,
// Storage with GCS
storage = {
gcs = {
bucket = "roleypoly-vault",
}
},
// Auto-seal setup with GCPKMS
seal = {
gcpckms = {
credentials = "/vault/mounted-secrets/vault-service-account.json",
project = var.gcp_project
region = "global"
key_ring = "vault-keyring"
crypto_key = "vault-key"
}
},
// TCP
listener = {
tcp = {
address = "0.0.0.0:8200"
}
},
// K8s service registration
service_registration = {
kubernetes = {}
}
})
}
}
resource "kubernetes_deployment" "vault" {
metadata {
name = "vault"
namespace = local.vaultNs
labels = local.vaultLabels
}
spec {
replicas = 1
selector {
match_labels = local.vaultLabels
}
template {
metadata {
labels = local.vaultLabels
}
spec {
service_account_name = kubernetes_service_account.vault-sa.metadata.0.name
automount_service_account_token = true
container {
image = "vault:1.5.0"
name = "vault"
env {
name = "GOOGLE_APPLICATION_CREDENTIALS"
value = "/vault/mounted-secrets/vault-service-account.json"
}
env {
name = "VAULT_K8S_NAMESPACE"
value_from {
field_ref {
field_path = "metadata.namespace"
}
}
}
env {
name = "VAULT_K8S_POD_NAME"
value_from {
field_ref {
field_path = "metadata.name"
}
}
}
volume_mount {
mount_path = "/vault/mounted-secrets"
name = "vault-secrets"
read_only = true
}
volume_mount {
mount_path = "/vault/config/vault-config.json"
name = "vault-config"
sub_path = "vault-config.json"
}
security_context {
capabilities {
add = ["IPC_LOCK"]
}
}
}
node_selector = {
node_type = "static"
}
restart_policy = "Always"
volume {
name = "vault-secrets"
secret {
secret_name = kubernetes_secret.vault-svcacct.metadata.0.name
}
}
volume {
name = "vault-config"
config_map {
name = kubernetes_config_map.vault-cm.metadata.0.name
}
}
}
}
}
}
resource "kubernetes_service_account" "vault-sa" {
metadata {
namespace = local.vaultNs
name = "vault"
labels = local.vaultLabels
}
}
resource "kubernetes_role" "vault-sa-role" {
metadata {
namespace = local.vaultNs
name = "vault"
labels = local.vaultLabels
}
rule {
api_groups = [""]
resources = ["pods"]
verbs = ["get", "update"]
}
}
resource "kubernetes_role_binding" "vault-sa-rb" {
metadata {
namespace = local.vaultNs
name = "vault-rb"
labels = local.vaultLabels
}
role_ref {
api_group = "rbac.authorization.k8s.io"
kind = "Role"
name = kubernetes_role.vault-sa-role.metadata.0.name
}
subject {
kind = "ServiceAccount"
name = kubernetes_service_account.vault-sa.metadata.0.name
namespace = local.vaultNs
}
}