Add Grafana

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

support/grafana/datasources/clickhouse.yaml

@@ -0,0 +1,12 @@
+apiVersion: 1
+
+datasources:
+  - name: ClickHouse
+    type: grafana-clickhouse-datasource
+    jsonData:
+      server: localhost
+      port: 9000
+      username: ${CLICKHOUSE_USER}
+      defaultDatabase: ${CLICKHOUSE_DB}
+    secureJsonData:
+      password: ${CLICKHOUSE_PASSWORD}

support/grafana/docker-compose.yml

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+services:
+  grafana:
+    image: grafana/grafana
+    hostname: grafana
+    restart: unless-stopped
+    volumes:
+      - grafana-lib:/var/lib/grafana
+      - ./datasources:/etc/grafana/provisioning/datasources
+    environment:
+      - GF_INSTALL_PLUGINS=grafana-clickhouse-datasource
+      - GF_SECURITY_ADMIN_USER=${GRAFANA_USER}
+      - GF_SECURITY_ADMIN_PASSWORD=${GRAFANA_PASSWORD}
+      - CLICKHOUSE_USER=${CLICKHOUSE_USER}
+      - CLICKHOUSE_PASSWORD=${CLICKHOUSE_PASSWORD}
+      - CLICKHOUSE_DB=${CLICKHOUSE_DB}
+    network_mode: host
+
+volumes:
+  grafana-lib:

support/grafana/queries.sql

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+SELECT $__timeInterval(time),
+    any(open) as open,
+    max(high) as high,
+    min(low) as low,
+    anyLast(close) as close,
+    sum(volume) as volume
+FROM bars FINAL
+WHERE $__timeFilter(time)
+    AND symbol = '${bars}'
+GROUP BY time;
+
+SELECT time_created AS time,
+    headline
+FROM news FINAL
+WHERE $__timeFilter(time)
+    AND hasAny(symbols, [${news}])
+ORDER BY time ASC;