Feature/persist data (#865)

* Prometheus and grafana data persistance
* update the docs

---------

Signed-off-by: Stanislav Viyachev <[email protected]>

.gitignore

@@ -26,4 +26,8 @@ coverage.txt
 
 scripts/**/*.yml
 
-.vscode
+.vscode
+
+# Ignore data persistence
+prometheus_data
+grafana_data

docker-compose.yml

@@ -42,7 +42,7 @@ services:
       - --web.enable-lifecycle
     volumes:
       - ./monitoring/prometheus:/etc/prometheus
-      - prometheus_data:/monitoring/prometheus
+      - ./monitoring/prometheus_data:/prometheus
     links:
       - alertmanager:alertmanager
 
@@ -66,10 +66,6 @@ services:
       - 3000:3000
     volumes:
       - ./monitoring/grafana/provisioning:/etc/grafana/provisioning/
-      - grafana_data:/var/lib/grafana
+      - ./monitoring/grafana_data:/var/lib/grafana
     depends_on:
       - prometheus
-
-volumes:
-  prometheus_data: {}
-  grafana_data: {}

docs/installation.md

@@ -99,4 +99,5 @@ By default, the Prometheus service is on port `9090`. The Grafana one is on port
 - The default metrics path is set on `:9090/metrics`. The Prometheus UI is available on `:9090/graph`.
 - The validator's metrics are on `:<VALIDATORS_HOST_PORT>/api/v1/metrics`.
 For the `validator` example `:80/api/v1/metrics` and for the `alice` example `:6200/api/v1/metrics`
-- The default credentials for Grafana are configurable through the `config-overrides.env` files in `./monitoring/grafana/` in the respective deployments folders.
+- The default credentials for Grafana are configurable through the `config-overrides.env` files in `./monitoring/grafana/` in the respective deployments folders.
+- The data for Prometheus and Grafana is persisted in ./monitoring/prometheus_data and ./monitoring/grafana_data. The folders will be autogenerated the after the first docker-compose