terraform-grafana-loki/main.tf

resource "proxmox_vm_qemu" "grafana_loki" {
  name        = var.vm_name
  target_node = var.target_node
  clone       = var.vm_template
  cores       = var.vm_cores
  memory      = var.vm_memory
  sockets     = 1
  onboot      = true
  scsihw      = "virtio-scsi-pci"
  bootdisk    = "scsi0"
  boot        = "order=scsi0"
  agent       = 1

  network {
    model  = "virtio"
    bridge = var.vm_network_bridge
  }

  disk {
    size         = var.vm_disk_size
    type         = "scsi"
    storage      = var.vm_storage
    storage_type = "lvm"
    iothread     = 1
    discard      = "on"
  }

  ciuser    = var.vm_user
  ipconfig0 = "ip=dhcp"

  lifecycle {
    ignore_changes = [ipconfig0]
  }

  provisioner "remote-exec" {
    connection {
      type        = "ssh"
      host        = self.default_ipv4_address
      user        = var.vm_user
      private_key = file(var.ssh_private_key_path)
      timeout     = "5m"
    }

    inline = [
      # Обновление системы и установка необходимых пакетов
      "sudo apt-get update",
      "sudo apt-get install -y wget curl apt-transport-https software-properties-common unzip",

      # Установка Grafana Loki
      "wget https://github.com/grafana/loki/releases/download/v${var.loki_version}/loki-linux-amd64.zip -O /tmp/loki.zip",
      "unzip /tmp/loki.zip -d /tmp/",
      "sudo mv /tmp/loki-linux-amd64 /usr/local/bin/loki",
      "sudo chmod +x /usr/local/bin/loki",

      # Создание директорий для Loki
      "sudo mkdir -p /var/loki/index /var/loki/cache /var/loki/chunks",
      "sudo chown -R ${var.vm_user}:${var.vm_user} /var/loki",

      # Создание конфигурации Loki
      "cat <<'LOKIEOF' | sudo tee /etc/loki-config.yaml",
      "auth_enabled: false",
      "",
      "server:",
      "  http_listen_port: ${var.loki_port}",
      "",
      "ingester:",
      "  lifecycler:",
      "    ring:",
      "      kvstore:",
      "        store: inmemory",
      "      replication_factor: 1",
      "  chunk_idle_period: 5m",
      "  max_chunk_age: 1h",
      "  chunk_target_size: 1048576",
      "  max_transfer_retries: 0",
      "",
      "schema_config:",
      "  configs:",
      "    - from: 2020-10-24",
      "      store: boltdb-shipper",
      "      object_store: filesystem",
      "      schema: v11",
      "      index:",
      "        prefix: index_",
      "        period: 24h",
      "",
      "storage_config:",
      "  boltdb_shipper:",
      "    active_index_directory: /var/loki/index",
      "    cache_location: /var/loki/cache",
      "    shared_store: filesystem",
      "  filesystem:",
      "    directory: /var/loki/chunks",
      "",
      "limits_config:",
      "  enforce_metric_name: false",
      "  reject_old_samples: true",
      "  reject_old_samples_max_age: 168h",
      "LOKIEOF",

      # Создание systemd сервиса для Loki
      "cat <<'LOKISVCEOF' | sudo tee /etc/systemd/system/loki.service",
      "[Unit]",
      "Description=Loki Log Aggregation System",
      "After=network.target",
      "",
      "[Service]",
      "Type=simple",
      "User=${var.vm_user}",
      "ExecStart=/usr/local/bin/loki -config.file=/etc/loki-config.yaml",
      "Restart=on-failure",
      "RestartSec=5s",
      "",
      "[Install]",
      "WantedBy=multi-user.target",
      "LOKISVCEOF",

      # Запуск Loki
      "sudo systemctl daemon-reload",
      "sudo systemctl enable loki",
      "sudo systemctl start loki",

      # Установка Promtail
      "wget https://github.com/grafana/loki/releases/download/v${var.loki_version}/promtail-linux-amd64.zip -O /tmp/promtail.zip",
      "unzip /tmp/promtail.zip -d /tmp/",
      "sudo mv /tmp/promtail-linux-amd64 /usr/local/bin/promtail",
      "sudo chmod +x /usr/local/bin/promtail",

      # Создание конфигурации Promtail
      "cat <<'PROMTAILEOF' | sudo tee /etc/promtail-config.yaml",
      "server:",
      "  http_listen_port: ${var.promtail_port}",
      "  grpc_listen_port: 0",
      "",
      "positions:",
      "  filename: /var/log/promtail-positions.yaml",
      "",
      "clients:",
      "  - url: http://localhost:${var.loki_port}/loki/api/v1/push",
      "",
      "scrape_configs:",
      "  - job_name: system",
      "    static_configs:",
      "      - targets:",
      "          - localhost",
      "        labels:",
      "          job: varlogs",
      "          __path__: /var/log/*.log",
      "PROMTAILEOF",

      # Создание systemd сервиса для Promtail
      "cat <<'PROMTAILSVCEOF' | sudo tee /etc/systemd/system/promtail.service",
      "[Unit]",
      "Description=Promtail Log Collector",
      "After=network.target loki.service",
      "",
      "[Service]",
      "Type=simple",
      "User=${var.vm_user}",
      "ExecStart=/usr/local/bin/promtail -config.file=/etc/promtail-config.yaml",
      "Restart=on-failure",
      "RestartSec=5s",
      "",
      "[Install]",
      "WantedBy=multi-user.target",
      "PROMTAILSVCEOF",

      # Запуск Promtail
      "sudo systemctl daemon-reload",
      "sudo systemctl enable promtail",
      "sudo systemctl start promtail",

      # Проверка статуса сервисов
      "echo '=== Loki Status ==='",
      "sudo systemctl status loki --no-pager",
      "echo '=== Promtail Status ==='",
      "sudo systemctl status promtail --no-pager"
    ]
  }
}