feat(metrics): ✨ Add new electric eel systemd metrics (#66)

* feat(metrics): ✨ add systemd service metrics

* docs: 📝 update readme with supported versions and add help wanted

METRICS.md

@@ -138,3 +138,11 @@ Both memeory statistics from TrueNAS are exported on the onside the physical mem
 |`k3s_pod_mem`|`pod` the pod name|`bytes`|The number of bytes of memory this pod is using.|
 |`k3s_pod_net`|<ul><li>`pod` the pod name</li><li>`direction` the direction of network traffic</li></ul>|`bytes`|The number of bytes in/out of the pod over the network interface.|
 
+## systemd services
+
+|Metric name|Labels|Unit|Description|
+|-----------|------|----|-----------|
+|`services_cpu`|`service` name of systemd service|`percent`|Percent of cpu usage per service. 100% = 1 core|
+|`services_iops`|<ul><li>`service` name of systemd service</li><li>`op` kind of operation</li></ul>|`ops/s`|Number of operations on I/O.|
+|`services_io`|<ul><li>`service` name of systemd service</li><li>`op` kind of operation</li></ul>|`kilobits/s`|I/O amount per service.|
+|`services_mem`|`service` name of systemd service|`MiB`|Memory usage per service.|

README.md

@@ -37,7 +37,7 @@ The goal of this small repository is to provide you with a new `graphite_mapping
 
 * [graphite_exporter](https://github.com/prometheus/graphite_exporter)
 * [grafana](https://github.com/grafana/grafana)
-* [TrueNAS Scale 23.10](https://www.truenas.com/truenas-scale/)
+* [TrueNAS Scale 24.10](https://www.truenas.com/truenas-scale/)
 
 <!-- ROADMAP -->
 ## Roadmap
@@ -50,20 +50,18 @@ The goal of this small repository is to provide you with a new `graphite_mapping
     - [x] Multiple dashboards with pictures
 - [x] Convert all metrics to prometheus metrics without catch all rules
 - [x] Unify all metrics to a similar schema
+- [ ] Add UPS metrics (Help wanted!)
 
-See the [open issues]([https://github.com/github_username/repo_name](https://github.com/Supporterino/truenas-graphite-to-prometheus)/issues) for a full list of proposed features (and known issues).
+See the [open issues](https://github.com/Supporterino/truenas-graphite-to-prometheus/issues) for a full list of proposed features (and known issues).
 
 <!-- Supported versions -->
 ## Supported Versions
 Those are the supported and tested versions of TrueNAS in combination with this exporter. Feel free to create a PR with a tested flag if you use a version not mentioned here.
 |TrueNAS Version|Supported|Tested|
 |---------------|---------|------|
-|23.10.0|:grey_question: (should work)|:x:|
-|23.10.1|:white_check_mark:|:white_check_mark: by [@Supporterino](https://www.github.com/Supporterino)|
-|23.10.2|:white_check_mark:|:white_check_mark: by [@Supporterino](https://www.github.com/Supporterino)|
-|24.04.0|:white_check_mark:|:white_check_mark: by [@Supporterino](https://www.github.com/Supporterino)|
-|24.04.1|:white_check_mark:|:white_check_mark: by [@Supporterino](https://www.github.com/Supporterino)|
-|24.04.2|:white_check_mark:|:white_check_mark: by [@Supporterino](https://www.github.com/Supporterino)|
+|23.10.x|:white_check_mark:|:white_check_mark: by [@Supporterino](https://www.github.com/Supporterino)|
+|24.04.x|:white_check_mark:|:white_check_mark: by [@Supporterino](https://www.github.com/Supporterino)|
+|24.10.x|:white_check_mark:|:white_check_mark: by [@Supporterino](https://www.github.com/Supporterino)|
 
 
 <!-- GETTING STARTED -->

graphite_mapping.conf

@@ -28,6 +28,62 @@ mappings:
     instance: "${1}"
     kind: "${2}"
 
+################################################
+# service mapping
+################################################
+
+- match: 'truenas\.(.*)\.services\.cpu\.(.*)'
+  match_type: "regex"
+  name: "services_cpu"
+  labels:
+    job: "truenas"
+    instance: "${1}"
+    service: "${2}"
+
+- match: 'truenas\.(.*)\.services\.io_ops_read\.(.*)'
+  match_type: "regex"
+  name: "services_iops"
+  labels:
+    job: "truenas"
+    instance: "${1}"
+    op: "read"
+    service: "${2}"
+
+- match: 'truenas\.(.*)\.services\.io_ops_write\.(.*)'
+  match_type: "regex"
+  name: "services_iops"
+  labels:
+    job: "truenas"
+    instance: "${1}"
+    op: "write"
+    service: "${2}"
+
+- match: 'truenas\.(.*)\.services\.io_read\.(.*)'
+  match_type: "regex"
+  name: "services_io"
+  labels:
+    job: "truenas"
+    instance: "${1}"
+    op: "read"
+    service: "${2}"
+
+- match: 'truenas\.(.*)\.services\.io_write\.(.*)'
+  match_type: "regex"
+  name: "services_io"
+  labels:
+    job: "truenas"
+    instance: "${1}"
+    op: "write"
+    service: "${2}"
+
+- match: 'truenas\.(.*)\.services\.mem_usage\.(.*)'
+  match_type: "regex"
+  name: "services_mem"
+  labels:
+    job: "truenas"
+    instance: "${1}"
+    service: "${2}"
+
 ################################################
 # disk smart metrics
 ################################################