feat: Make configurable cubestore metrics address (#6437) Thanks @fbalicchia !

* make configurable metrics address

* fix merge

* run fmt

* apply change to doc

Author: fbalicchia

docs/content/Reference/Configuration/Environment-Variables-Reference.mdx

@@ -887,6 +887,32 @@ If `true`, then send telemetry to Cube.
 | --------------- | ---------------------- | --------------------- |
 | `true`, `false` | `true`                 | `true`                |
 
+## `CUBESTORE_METRICS_FORMAT`
+
+Define which metrics collector format.
+
+| Possible Values | Default in Development | Default in Production |
+| --------------- | ---------------------- | --------------------- |
+| `statsd`, `dogstatsd` | `statsd`                 | `statsd`                |
+
+
+## `CUBESTORE_METRICS_ADDRESS`
+
+Required IP address to send metrics.
+
+| Possible Values | Default in Development | Default in Production |
+| --------------- | ---------------------- | --------------------- |
+| A valid IP address | `127.0.0.1`                 | `127.0.0.1`                |
+
+
+## `CUBESTORE_METRICS_PORT`
+
+Required port to send where collector server accept UDP connections.
+
+| Possible Values | Default in Development | Default in Production |
+| --------------- | ---------------------- | --------------------- |
+| A valid port number | `8125`                 | `8125`                |
+
 ## `CUBEJS_TOUCH_PRE_AGG_TIMEOUT`
 
 The number of seconds without a touch before pre-aggregation is considered

rust/cubestore/cubestore/src/bin/cubestored.rs

@@ -22,16 +22,26 @@ fn main() {
         .as_str()
         .unwrap()
         .to_string();
-    let metrics_mode = match std::env::var("CUBESTORE_METRICS") {
+    let metrics_format = match std::env::var("CUBESTORE_METRICS_FORMAT") {
         Ok(s) if s == "statsd" => metrics::Compatibility::StatsD,
         Ok(s) if s == "dogstatsd" => metrics::Compatibility::DogStatsD,
         Ok(s) => panic!(
-            "CUBESTORE_METRICS must be 'statsd' or 'dogstatsd', got '{}'",
+            "CUBESTORE_METRICS_FORMAT must be 'statsd' or 'dogstatsd', got '{}'",
             s
         ),
         Err(_) => metrics::Compatibility::StatsD,
     };
-    init_metrics("127.0.0.1:0", "127.0.0.1:8125", metrics_mode, vec![]);
+    let metrics_addr =
+        std::env::var("CUBESTORE_METRICS_ADDRESS").unwrap_or("127.0.0.1".to_string());
+    let metrics_port = std::env::var("CUBESTORE_METRICS_PORT").unwrap_or("8125".to_string());
+    let metrics_server_address = format!("{}:{}", metrics_addr, metrics_port);
+
+    init_metrics(
+        "127.0.0.1:0",
+        metrics_server_address,
+        metrics_format,
+        vec![],
+    );
     let telemetry_env = std::env::var("CUBESTORE_TELEMETRY")
         .or(std::env::var("CUBEJS_TELEMETRY"))
         .unwrap_or("true".to_string());