feat: guest metrics support (#46)

* feat: initial support for idm send in daemon

* feat: implement IdmClient backend support

* feat: daemon idm now uses IdmClient

* fix: implement channel destruction propagation

* feat: implement request response idm system

* feat: implement metrics support

* proto: move metrics into GuestMetrics for reusability

* fix: log level of guest agent was trace

* feat: metrics tree with process information

crates/daemon/src/metrics.rs

@@ -0,0 +1,27 @@
+use krata::{
+    idm::protocol::{IdmMetricFormat, IdmMetricNode},
+    v1::common::{GuestMetricFormat, GuestMetricNode},
+};
+
+fn idm_metric_format_to_api(format: IdmMetricFormat) -> GuestMetricFormat {
+    match format {
+        IdmMetricFormat::Unknown => GuestMetricFormat::Unknown,
+        IdmMetricFormat::Bytes => GuestMetricFormat::Bytes,
+        IdmMetricFormat::Integer => GuestMetricFormat::Integer,
+        IdmMetricFormat::DurationSeconds => GuestMetricFormat::DurationSeconds,
+    }
+}
+
+pub fn idm_metric_to_api(node: IdmMetricNode) -> GuestMetricNode {
+    let format = node.format();
+    GuestMetricNode {
+        name: node.name,
+        value: node.value,
+        format: idm_metric_format_to_api(format).into(),
+        children: node
+            .children
+            .into_iter()
+            .map(idm_metric_to_api)
+            .collect::<Vec<_>>(),
+    }
+}