add terraform

README.md

@@ -1,14 +1,27 @@
-```bash
+cloud vm
-mkdir -p ./v/grafana
 
+```bash
 sudo ufw allow in on br-monitor
 sudo ufw allow out on br-monitor
 
+mkdir -p ./v/grafana
+
+docker compose up
+```
+
+local
+
+```bash
+docker run --rm -it -p 6379:6379 redis:8.0.3-alpine3.21
+
 autossh -M 20002 -N \
   -L 127.0.0.1:3000:127.0.0.1:3000 \
   -L 127.0.0.1:6060:127.0.0.1:6060 \
   -R 10.0.10.1:6379:127.0.0.1:6379 \
   gcp-tunnel
 
-curl 'http://localhost:6060/api/v1/metrics?service=redis&t0=0&t1=1798732800' | jq
+cd terraform
+terraform apply
+
+curl 'http://localhost:6060/api/v1/metrics?service=redis&t0=0&t1=32503651200' | jq
 ```

docker-compose.yaml

@@ -34,9 +34,3 @@ networks:
       config:
         - subnet: 10.0.10.0/24
           gateway: 10.0.10.1
-
-  # redis:
-  #   image: redis:8.0.3-alpine3.21
-  #   ports:
-  #     - 127.0.0.1:6379:6379
-  #   restart: unless-stopped

terraform/.gitignore

@@ -0,0 +1,5 @@
+.terraform
+.terraform.lock.hcl
+*.tfstate
+*.tfstate.*
+*.tfvars

terraform/main.tf

@@ -0,0 +1,126 @@
+terraform {
+  required_providers {
+    grafana = {
+      source  = "grafana/grafana"
+      version = "4.27.0"
+    }
+  }
+}
+
+provider "grafana" {
+  url  = var.grafana_url
+  auth = var.grafana_auth
+}
+
+resource "grafana_data_source" "api" {
+  name = "api"
+  type = "yesoreyeram-infinity-datasource"
+  json_data_encoded = jsonencode({
+    datasource_mode = "basic"
+  })
+}
+
+resource "grafana_dashboard" "uptime" {
+  config_json = jsonencode({
+    title = "uptime"
+    uid   = "uptime_dashboard"
+    panels = [{
+      id         = 1
+      type       = "timeseries"
+      title      = "redis"
+      gridPos    = { h = 10, w = 16 }
+      datasource = { uid = grafana_data_source.api.uid }
+      targets = [{
+        type   = "json"
+        source = "url"
+        url    = "http://datasource:6060/api/v1/metrics"
+        url_options = {
+          params = [
+            { key = "service", value = "redis" },
+            { key = "t0", value = "$${__from:date:seconds}" },
+            { key = "t1", value = "$${__to:date:seconds}" }
+          ]
+        }
+        columns = [
+          { selector = "timestamp_sec", text = "time", type = "timestamp_epoch_s" },
+          { selector = "up", type = "number" }
+        ]
+      }]
+    }]
+  })
+}
+
+resource "grafana_folder" "rules" {
+  title = "rules"
+}
+
+resource "grafana_rule_group" "alert_rule" {
+  name             = "alert rule"
+  folder_uid       = grafana_folder.rules.uid
+  interval_seconds = 10
+  rule {
+    name      = "down"
+    condition = "B"
+    for       = "30s"
+    annotations = {
+      "__dashboardUid__" = grafana_dashboard.uptime.uid
+      "__panelId__"      = "1"
+      "description"      = "redis has been down for over 30 seconds"
+    }
+    data {
+      ref_id         = "A"
+      datasource_uid = grafana_data_source.api.uid
+      model = jsonencode({
+        type   = "json"
+        source = "url"
+        parser = "backend"
+        format = "timeseries"
+        url    = "http://datasource:6060/api/v1/metrics"
+        url_options = {
+          params = [
+            { key = "service", value = "redis" },
+            { key = "t0", value = "$${__from:date:seconds}" },
+            { key = "t1", value = "$${__to:date:seconds}" }
+          ]
+        }
+        columns = [
+          { selector = "timestamp_sec", text = "time", type = "timestamp_epoch_s" },
+          { selector = "up", type = "number" }
+        ]
+      })
+      relative_time_range {
+        from = 60
+        to   = 0
+      }
+    }
+    data {
+      ref_id         = "B"
+      datasource_uid = "__expr__"
+      relative_time_range {
+        from = 0
+        to   = 0
+      }
+      model = jsonencode({
+        type = "classic_conditions"
+        conditions = [{
+          evaluator = { params = [1], type = "lt" },
+          reducer   = { type = "last" },
+          query     = { params = ["A"] }
+        }]
+      })
+    }
+  }
+}
+
+resource "grafana_contact_point" "telegram" {
+  name = "telegram"
+  telegram {
+    token   = var.telegram_bot_token
+    chat_id = var.telegram_chat_id
+  }
+}
+
+resource "grafana_notification_policy" "main" {
+  group_by      = ["..."]
+  contact_point = grafana_contact_point.telegram.name
+}

terraform/terraform.tfvars.example

@@ -0,0 +1,4 @@
+grafana_auth = "pika:boingboing"
+
+telegram_bot_token = "0000000000:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
+telegram_chat_id   = "-1009999999999"

terraform/variables.tf

@@ -0,0 +1,19 @@
+variable "grafana_url" {
+  type    = string
+  default = "http://localhost:3000"
+}
+
+variable "grafana_auth" {
+  type      = string
+  sensitive = true
+}
+
+variable "telegram_bot_token" {
+  type      = string
+  sensitive = true
+}
+
+variable "telegram_chat_id" {
+  type      = string
+  sensitive = true
+}