revert: ansible

Stick to tf for meow

Author: pythoninthegrass

.gitignore

@@ -68,3 +68,7 @@ override.tf.json
 # Ignore CLI configuration files
 .terraformrc
 terraform.rc
+
+# INCLUDE
+!**/*.example
+!**/.gitkeep

main.tf

@@ -30,12 +30,14 @@ resource "docker_container" "prometheus" {
     name = docker_network.promgraf_network.name
   }
 
+  restart = "unless-stopped"
+
+  destroy_grace_seconds = 10
+
   depends_on = [
     docker_volume.prometheus_data,
     local_file.prometheus_config
   ]
-
-  destroy_grace_seconds = 10
 }
 
 resource "docker_container" "grafana" {
@@ -78,6 +80,9 @@ resource "docker_container" "grafana" {
   networks_advanced {
     name = docker_network.promgraf_network.name
   }
+  restart = "unless-stopped"
+
+  destroy_grace_seconds = 10
 
   depends_on = [
     docker_volume.grafana_data,
@@ -87,8 +92,6 @@ resource "docker_container" "grafana" {
     local_file.node_exporter_dashboard,
     local_file.grafana_datasource
   ]
-
-  destroy_grace_seconds = 10
 }
 
 resource "local_file" "grafana_datasource" {
@@ -108,12 +111,17 @@ resource "docker_container" "node_exporter" {
   networks_advanced {
     name = docker_network.promgraf_network.name
   }
+
+  restart = "unless-stopped"
+
+  destroy_grace_seconds = 10
 }
 
 resource "local_file" "prometheus_config" {
   content = templatefile("${path.module}/config/prometheus.yml.tpl", {
-    prometheus_port    = var.prometheus_port
-    node_exporter_port = var.node_exporter_port
+    prometheus_port     = var.prometheus_port
+    node_exporter_port  = var.node_exporter_port
+    node_exporter_hosts = var.node_exporter_hosts
   })
   filename = "${path.module}/config/prometheus.yml"
 }
@@ -141,11 +149,7 @@ resource "local_file" "node_exporter_dashboard" {
 }
 
 resource "null_resource" "wait_for_containers" {
-  count = length([
-    docker_container.prometheus.id,
-    docker_container.grafana.id,
-    docker_container.node_exporter.id
-  ])
+  count = 1
 
   depends_on = [
     docker_container.prometheus,
@@ -157,3 +161,13 @@ resource "null_resource" "wait_for_containers" {
     command = "sleep 10"
   }
 }
+
+resource "null_resource" "wait_for_remote_containers" {
+  depends_on = [
+    null_resource.run_ansible
+  ]
+
+  provisioner "local-exec" {
+    command = "sleep 10"
+  }
+}

outputs.tf

@@ -1,4 +1,71 @@
-# output "output" {
-#   value       = terraform_data.this.output
-#   description = "This is an example of an output."
-# }
+# Prometheus outputs
+output "prometheus_url" {
+  description = "URL to access Prometheus UI"
+  value       = "http://localhost:${var.prometheus_port}"
+}
+
+output "prometheus_container_id" {
+  description = "ID of the Prometheus container"
+  value       = docker_container.prometheus.id
+}
+
+# Grafana outputs
+output "grafana_url" {
+  description = "URL to access Grafana UI"
+  value       = "http://localhost:${var.grafana_port}"
+}
+
+output "grafana_container_id" {
+  description = "ID of the Grafana container"
+  value       = docker_container.grafana.id
+}
+
+output "grafana_credentials" {
+  description = "Grafana login credentials"
+  value = {
+    username = var.grafana_admin_user
+    password = nonsensitive(var.grafana_admin_password) # Mark as non-sensitive for output
+  }
+  sensitive = true
+}
+
+# Node Exporter outputs
+output "local_node_exporter" {
+  description = "Local node-exporter details"
+  value = {
+    url          = "http://localhost:${var.node_exporter_port}/metrics"
+    container_id = docker_container.node_exporter.id
+    network      = docker_network.promgraf_network.name
+  }
+}
+
+output "remote_node_exporters" {
+  description = "Remote node-exporter details"
+  value = {
+    for host in var.node_exporter_hosts : host.name => {
+      url      = "http://${host.ip}:${var.node_exporter_port}/metrics"
+      host     = host.ip
+      ssh_user = host.ssh_user
+    }
+  }
+}
+
+# Network info
+output "monitoring_network" {
+  description = "Docker network details"
+  value = {
+    name = docker_network.promgraf_network.name
+    id   = docker_network.promgraf_network.id
+  }
+}
+
+# Configuration files
+output "config_files" {
+  description = "Paths to important configuration files"
+  value = {
+    prometheus_config = local_file.prometheus_config.filename
+    grafana_config    = local_file.grafana_config.filename
+    dashboards_path   = "${path.module}/config/grafana/dashboards"
+    datasources_path  = "${path.module}/config/grafana/provisioning/datasources"
+  }
+}

resources.tf

@@ -21,6 +21,7 @@ resource "docker_image" "grafana" {
 }
 
 resource "docker_image" "node_exporter" {
-  name = "prom/node-exporter:latest"
+  name         = "prom/node-exporter:latest"
+  keep_locally = true
 }
 

variables.tf

@@ -13,6 +13,16 @@ variable "node_exporter_port" {
   default     = 9100
 }
 
+variable "node_exporter_hosts" {
+  description = "List of hosts for node-exporter deployment"
+  type = list(object({
+    name     = string
+    ip       = string
+    ssh_user = string
+    ssh_port = number
+  }))
+}
+
 variable "grafana_admin_user" {
   description = "The Grafana admin username"
   default     = "admin"