Added thanos options to terraform

terraform/modules/k8s-cluster/manager-node.tf

@@ -116,6 +116,12 @@ resource "hcloud_server" "manager" {
       hcloud_token_enabled : var.hcloud_token_enabled
       hcloud_token : var.hcloud_token
       hcloud_namespace : var.hcloud_namespace
+      thanos_enabled : var.thanos_enabled
+      thanos_namespace : var.thanos_namespace
+      s3_bucket_name : var.thanos_s3_bucket_name
+      aws_region_name : var.aws_region_name
+      aws_access_key : var.aws_access_key
+      aws_secret_key : var.aws_secret_key
     }))
     argocd_ha_values : base64encode(file("${path.module}/templates/helm/argocd-values-ha.yaml"))
     argocd_values : base64encode(file("${path.module}/templates/helm/argocd-values.yaml"))

terraform/modules/k8s-cluster/templates/helm/cluster-setup-values.yaml

@@ -10,3 +10,10 @@ hcloud:
   enabled: ${hcloud_token_enabled}
   token: ${hcloud_token}
   namespace: {$hcloud_namespace}
+thanos:
+  enabled: ${thanos_enabled}
+  namespace: ${thanos_namespace}
+  bucketName: ${s3_bucket_name}
+  awsRegion: ${aws_region_name}
+  accessKey: ${aws_access_key}
+  secretKey: ${aws_secret_key}

terraform/modules/k8s-cluster/variables.tf

@@ -173,3 +173,36 @@ variable "hcloud_namespace" {
   type        = string
   default     = "hcloud"
 }
+
+variable "thanos_enabled" {
+  description = "If true, a namespace configured by thanos_namespace will be created and thanos object store config with provided access key and secret key will be created"
+  type        = bool
+  default     = false
+}
+variable "thanos_namespace" {
+  description = "Namespace for thanos sidecar in Prometheus"
+  type        = string
+  default     = "observability"
+}
+variable "thanos_s3_bucket_name" {
+  description = "Name of the S3 bucket to store data from thanos in. If thanos is enabled, it must be overriden and filled."
+  type        = string
+  default     = ""
+}
+variable "aws_region_name" {
+  description = "AWS region in which the bucket resides."
+  type        = string
+  default     = "eu-central-1"
+}
+variable "aws_access_key" {
+  description = "AWS access key to retrieve/store data in the bucket. Must be filled if thanos is enabled."
+  type        = string
+  default     = ""
+  sensitive   = true
+}
+variable "aws_secret_key" {
+  description = "AWS secret key to retrieve/store data in the bucket. Must be filled if thanos is enabled"
+  type        = string
+  default     = ""
+  sensitive   = true
+}