From 48952e024bc566d892f069d5831393a86a324660 Mon Sep 17 00:00:00 2001
From: Bray <braydendelaire5@gmail.com>
Date: Wed, 8 Apr 2026 01:22:21 -0400
Subject: [PATCH] chore: Add Loki and Promtail to master

---
 master/docker-compose.yml          | 26 +++++++++++++++++++++++++
 master/loki-data/local-config.yaml | 31 ++++++++++++++++++++++++++++++
 master/promtail/config.yml         | 31 ++++++++++++++++++++++++++++++
 3 files changed, 88 insertions(+)
 create mode 100644 master/loki-data/local-config.yaml
 create mode 100644 master/promtail/config.yml

diff --git a/master/docker-compose.yml b/master/docker-compose.yml
index fdbac9a..b7a6b6c 100644
--- a/master/docker-compose.yml
+++ b/master/docker-compose.yml
@@ -28,6 +28,32 @@
       networks:
         - monitor-net
 
+    loki:
+      image: grafana/loki:latest
+      container_name: loki
+      ports:
+        - "3100:3100"
+      volumes:
+        - ./loki-data:/loki
+        - ./loki-data/local-config.yaml:/etc/loki/local-config.yaml
+      command: -config.file=/etc/loki/local-config.yaml
+      networks:
+        - monitor-net
+      restart: unless-stopped
+
+    promtail:
+      image: grafana/promtail:latest
+      container_name: promtail
+      volumes:
+        - /var/log:/var/log:ro
+        - /var/lib/docker/containers:/var/lib/docker/containers:ro
+        - /var/run/docker.sock:/var/run/docker.sock
+        - ./promtail/config.yml:/etc/promtail/config.yml
+      command: -config.file=/etc/promtail/config.yml
+      networks:
+        - monitor-net
+      restart: unless-stopped
+
     authentik-server:
       image: ghcr.io/goauthentik/server:latest
       container_name: authentik-server
diff --git a/master/loki-data/local-config.yaml b/master/loki-data/local-config.yaml
new file mode 100644
index 0000000..c578052
--- /dev/null
+++ b/master/loki-data/local-config.yaml
@@ -0,0 +1,31 @@
+auth_enabled: false
+
+server:
+  http_listen_port: 3100
+  grpc_listen_port: 9096
+
+common:
+  instance_addr: 127.0.0.1
+  path_prefix: /loki
+  storage:
+    filesystem:
+      chunks_directory: /loki/chunks
+      rules_directory: /loki/rules
+  replication_factor: 1
+  ring:
+    kvstore:
+      store: inmemory
+
+# This section fixes the "Structured Metadata" error
+limits_config:
+  allow_structured_metadata: false
+
+schema_config:
+  configs:
+    - from: 2024-01-01
+      store: tsdb  # Changed from boltdb-shipper
+      object_store: filesystem
+      schema: v13  # Changed from v11
+      index:
+        prefix: index_
+        period: 24h
\ No newline at end of file
diff --git a/master/promtail/config.yml b/master/promtail/config.yml
new file mode 100644
index 0000000..f9199c0
--- /dev/null
+++ b/master/promtail/config.yml
@@ -0,0 +1,31 @@
+server:
+  http_listen_port: 9080
+  grpc_listen_port: 0
+
+positions:
+  filename: /tmp/positions.yaml
+
+clients:
+  - url: http://loki:3100/loki/api/v1/push
+
+scrape_configs:
+  # Captures system logs (auth, syslog, etc.)
+  - job_name: system
+    static_configs:
+    - targets:
+        - localhost
+      labels:
+        job: varlogs
+        host: vm1
+        __path__: /var/log/*log
+
+  # Captures all Docker container logs
+  - job_name: docker
+    docker_sd_configs:
+      - host: unix:///var/run/docker.sock
+    relabel_configs:
+      - source_labels: ['__meta_docker_container_name']
+        regex: '/(.*)'
+        target_label: 'container'
+      - source_labels: ['__meta_docker_container_log_stream']
+        target_label: 'stream'
\ No newline at end of file