chore: backup infrastructure configurations [skip ci]

nomad_backup/loki.hcl

@@ -0,0 +1,97 @@
+job "loki" {
+  datacenters = ["dc1"]
+  type        = "service"
+
+  group "loki" {
+    count = 1
+
+    network {
+      port "http" {
+        static = 3100
+      }
+      port "grpc" {
+        static = 9096
+      }
+    }
+
+    task "loki" {
+      driver = "docker"
+
+      config {
+        image = "grafana/loki:2.9.3"
+        ports = ["http", "grpc"]
+        
+        args = [
+          "-config.file=/local/loki-config.yml",
+        ]
+      }
+
+      template {
+        data = <<EOH
+auth_enabled: false
+
+server:
+  http_listen_port: 3100
+  grpc_listen_port: 9096
+
+common:
+  path_prefix: /alloc/data/loki
+  storage:
+    filesystem:
+      chunks_directory: /alloc/data/loki/chunks
+      rules_directory: /alloc/data/loki/rules
+  replication_factor: 1
+  ring:
+    instance_addr: 127.0.0.1
+    kvstore:
+      store: inmemory
+
+schema_config:
+  configs:
+    - from: 2020-10-24
+      store: boltdb-shipper
+      object_store: filesystem
+      schema: v11
+      index:
+        prefix: index_
+        period: 24h
+
+limits_config:
+  retention_period: 168h  # 7 days retention
+  ingestion_rate_mb: 10
+  ingestion_burst_size_mb: 20
+
+compactor:
+  working_directory: /alloc/data/loki/compactor
+  shared_store: filesystem
+
+ruler:
+  alertmanager_url: http://localhost:9093
+EOH
+
+        destination = "local/loki-config.yml"
+      }
+
+      resources {
+        cpu    = 500
+        memory = 512
+      }
+
+      service {
+        name = "loki"
+        port = "http"
+        
+        tags = [
+          "logging",
+        ]
+
+        check {
+          type     = "http"
+          path     = "/ready"
+          interval = "10s"
+          timeout  = "2s"
+        }
+      }
+    }
+  }
+}