metric collection: move rrd_cache to new metric_collection module

No functional changes intended.

Signed-off-by: Lukas Wagner <l.wagner@proxmox.com>

src/api2/node/rrd.rs

@@ -8,7 +8,7 @@ use proxmox_schema::api;
 
 use pbs_api_types::{NODE_SCHEMA, PRIV_SYS_AUDIT};
 
-use crate::rrd_cache::extract_rrd_data;
+use crate::server::metric_collection::rrd::extract_rrd_data;
 
 pub fn create_value_from_rrd(
     basedir: &str,

src/api2/status.rs

@@ -15,7 +15,7 @@ use pbs_api_types::{
 use pbs_config::CachedUserInfo;
 use pbs_datastore::DataStore;
 
-use crate::rrd_cache::extract_rrd_data;
+use crate::server::metric_collection::rrd::extract_rrd_data;
 use crate::tools::statistics::linear_regression;
 
 use crate::backup::can_access_any_namespace;

src/lib.rs

@@ -31,8 +31,6 @@ pub mod acme;
 
 pub mod client_helpers;
 
-pub mod rrd_cache;
-
 pub mod traffic_control_cache;
 
 /// Get the server's certificate info (from `proxy.pem`).

src/server/metric_collection/mod.rs

@@ -16,10 +16,11 @@ use proxmox_sys::{
     linux::procfs::{Loadavg, ProcFsMemInfo, ProcFsNetDev, ProcFsStat},
 };
 
-use crate::{
-    rrd_cache::{initialize_rrd_cache, rrd_sync_journal, rrd_update_derive, rrd_update_gauge},
-    tools::disks::{zfs_dataset_stats, BlockDevStat, DiskManage},
-};
+use crate::tools::disks::{zfs_dataset_stats, BlockDevStat, DiskManage};
+
+use rrd::{initialize_rrd_cache, rrd_sync_journal, rrd_update_derive, rrd_update_gauge};
+
+pub mod rrd;
 
 /// Initialize the metric collection subsystem.
 ///