Reorganized folder structure

This commit is contained in:
2025-04-29 22:40:27 +02:00
parent 0d3f4a0a30
commit 0eaadbe6a7
52 changed files with 10 additions and 38 deletions
+244
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resource "kubernetes_secret" "root_password" {
metadata {
name = "${var.app_name}-root-credentials"
namespace = var.namespace
}
data = {
username = "root"
password = var.root_password
}
type = "Opaque"
}
resource "kubernetes_service_account" "service_account" {
metadata {
name = "${var.app_name}-mariadb-sa"
namespace = var.namespace
}
automount_service_account_token = false
}
resource "kubernetes_secret" "app_password" {
metadata {
name = "${var.app_name}-app-credentials"
namespace = var.namespace
}
data = {
username = var.app_name
password = var.app_password
}
type = "Opaque"
}
resource "kubernetes_service" "service" {
metadata {
name = "mariadb"
namespace = var.namespace
}
spec {
port {
port = 3306
}
selector = {
app = "mariadb"
}
cluster_ip = "None"
}
}
resource "kubernetes_deployment" "deployment" {
metadata {
name = "mariadb"
namespace = var.namespace
}
spec {
selector {
match_labels = {
app = "mariadb"
}
}
strategy {
type = "Recreate"
}
template {
metadata {
labels = {
app = "mariadb"
}
}
spec {
service_account_name = kubernetes_service_account.service_account.metadata[0].name
container {
name = "mariadb"
image = "mariadb:${var.current_version}"
resources {
requests = {
memory = "100Mi"
}
}
liveness_probe {
exec {
command = ["sh", "-c", "mysqladmin status -uroot -p$MARIADB_ROOT_PASSWORD"]
}
initial_delay_seconds = 30
period_seconds = 300
timeout_seconds = 1
failure_threshold = 15
}
readiness_probe {
exec {
command = ["sh", "-c", "mysqladmin status -uroot -p$MARIADB_ROOT_PASSWORD"]
}
initial_delay_seconds = 120
period_seconds = 10
timeout_seconds = 1
failure_threshold = 15
}
env {
name = "MARIADB_ROOT_PASSWORD"
value_from {
secret_key_ref {
key = "password"
name = kubernetes_secret.root_password.metadata[0].name
}
}
}
env {
name = "MARIADB_ROOT_HOST"
value = "10.%"
}
env {
name = "MARIADB_USER"
value_from {
secret_key_ref {
key = "username"
name = kubernetes_secret.app_password.metadata[0].name
}
}
}
env {
name = "MARIADB_PASSWORD"
value_from {
secret_key_ref {
key = "password"
name = kubernetes_secret.app_password.metadata[0].name
}
}
}
env {
name = "MARIADB_DATABASE"
value = var.app_name
}
port {
container_port = 3306
name = "mariadb"
}
volume_mount {
mount_path = "/var/lib/mysql"
name = "persistent-storage"
}
volume_mount {
mount_path = "/docker-entrypoint-initdb.d"
name = "initdb-storage"
}
}
volume {
name = "persistent-storage"
host_path {
path = "${var.database_folder}/${var.app_name}.data"
}
}
volume {
name = "initdb-storage"
host_path {
path = "${var.database_folder}/${var.app_name}.initdb.d"
}
}
}
}
}
}
# TODO: This should move out of here
resource "kubernetes_cron_job_v1" "backup_data_cron" {
metadata {
name = "mariadb-backup-job"
namespace = var.namespace
}
spec {
concurrency_policy = "Forbid"
schedule = var.cron_schedule
failed_jobs_history_limit = 2
successful_jobs_history_limit = 2
job_template {
metadata {
labels = {
app = "mariadb"
}
}
spec {
backoff_limit = 1
parallelism = 1
completions = 1
active_deadline_seconds = 1800
template {
metadata {}
spec {
container {
name = "sql-cron-job"
image = "mariadb:${var.current_version}"
env {
name = "MARIADB_USER"
value_from {
secret_key_ref {
key = "username"
name = kubernetes_secret.app_password.metadata[0].name
}
}
}
env {
name = "MARIADB_PASSWORD"
value_from {
secret_key_ref {
key = "password"
name = kubernetes_secret.app_password.metadata[0].name
}
}
}
env {
name = "MARIADB_DATABASE"
value = var.app_name
}
security_context {
allow_privilege_escalation = false
}
command = ["/bin/sh", "-c"]
args = [join(";", [
"/usr/bin/mariadb-dump --single-transaction -h mariadb -u $MARIADB_USER -p$MARIADB_PASSWORD $MARIADB_DATABASE | gzip > /backups/${var.app_name}-sql-`date +\"%Y%m%d\"`.sql.gz",
"find /backups -type f -name '${var.app_name}-sql-*.sql.gz' -mtime +${var.retention_days} | xargs --no-run-if-empty rm"
])]
volume_mount {
mount_path = "/backups"
name = "backups-storage"
}
}
volume {
name = "backups-storage"
host_path {
path = var.backup_folder
}
}
restart_policy = "Never"
termination_grace_period_seconds = 30
}
}
}
}
}
}
+15
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output "host" {
value = "mariadb"
}
output "port" {
value = 3306
}
output "root_crendentials_name" {
value = kubernetes_secret.root_password.metadata[0].name
}
output "app_crendentials_name" {
value = kubernetes_secret.app_password.metadata[0].name
}
+11
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terraform {
required_version = "~>1.8"
required_providers {
kubernetes = {
source = "hashicorp/kubernetes"
version = "~>2.18"
}
}
}
+51
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variable "namespace" {
description = "namespace"
sensitive = false
type = string
}
variable "app_name" {
description = "database name"
sensitive = false
type = string
}
variable "root_password" {
description = "root password"
sensitive = true
type = string
}
variable "app_password" {
description = "user password"
sensitive = true
type = string
}
variable "database_folder" {
description = "host storage path"
type = string
}
variable "cron_schedule" {
description = "Cronjob schedule for data backups"
default = "* 2 * * *"
type = string
}
variable "retention_days" {
description = "Backup retention days"
default = 14
type = number
}
variable "current_version" {
description = "version"
default = "10.7.8"
type = string
}
variable "backup_folder" {
description = "Backup source location"
type = string
}