feat: implement new Loki driver

.github/workflows/ci.yml

@@ -11,6 +11,13 @@ on:
 jobs:
   linux:
     runs-on: ubuntu-latest
+    services:
+      athenna_loki:
+        image: grafana/loki:2.9.1
+        volumes:
+          - ./loki-config.yaml:/etc/loki/loki-config.yaml
+        ports:
+          - '3100:3100'
     strategy:
       matrix:
         node-version:

.gitignore

@@ -136,3 +136,6 @@ build
 
 # MacOS folder mapper file
 .DS_Store
+
+# Docker volumes
+.docker

docker-compose.yml

@@ -0,0 +1,27 @@
+version: '3'
+
+services:
+  athenna_loki:
+    image: grafana/loki:2.9.1
+    ports:
+      - "3100:3100"
+    volumes:
+      - .docker/loki_data:/tmp/loki
+      - ./loki-config.yaml:/etc/loki/loki-config.yaml
+    command:
+      - "-config.file=/etc/loki/loki-config.yaml"
+
+  athenna_grafana:
+    image: grafana/grafana:9.3.2
+    ports:
+      - "3000:3000"
+    depends_on:
+      - athenna_loki
+    environment:
+      GF_SECURITY_ADMIN_PASSWORD: "admin"
+    volumes:
+      - grafana-storage:/var/lib/grafana
+
+volumes:
+  loki-data:
+  grafana-storage:

loki-config.yaml

@@ -0,0 +1,35 @@
+auth_enabled: false
+
+server:
+  http_listen_port: 3100
+  grpc_listen_port: 9096
+  log_level: debug
+
+common:
+  instance_addr: 127.0.0.1
+  path_prefix: /tmp/loki
+  storage:
+    filesystem:
+      chunks_directory: /tmp/loki/chunks
+      rules_directory: /tmp/loki/rules
+  replication_factor: 1
+  ring:
+    kvstore:
+      store: inmemory
+
+query_range:
+  results_cache:
+    cache:
+      embedded_cache:
+        enabled: true
+        max_size_mb: 100
+
+schema_config:
+  configs:
+    - from: 2020-10-24
+      store: tsdb
+      object_store: filesystem
+      schema: v13
+      index:
+        prefix: index_
+        period: 24h