container: fix hostprocess memory metrics and containerd bundle handling (#2555)

Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jan-Otto Kröpke
2026-10-08 18:16:03 +00:00
committed by GitHub
co-authored by Claude Opus 5.5
parent f8ada403f2
commit 5c148173e7
6 changed files with 405 additions and 171 deletions
+33 -24
View File
@@ -10,30 +10,39 @@ Enabled by default? | No
## Flags
None
### `--collector.container.enabled`
Comma-separated list of collectors to use. Defaults to all, if not specified. Available collectors: `hcs`, `hostprocess`.
- `hcs` collects containers managed by the Host Compute Service, for example Docker or process-isolated containerd containers.
- `hostprocess` collects Kubernetes HostProcess containers, which run in Win32 job objects instead of HCS.
### `--collector.container.containerd-state-dir`
Path to the containerd state directory of the `k8s.io` namespace. Kubernetes labels and HostProcess containers are read from the OCI bundles in this directory. Defaults to `C:\ProgramData\containerd\state\io.containerd.runtime.v2.task\k8s.io\`.
## Metrics
| Name | Description | Type | Labels |
|------------------------------------------------------------|----------------------------------------|---------|----------------------------------------------------------|
| `windows_container_available` | Available | counter | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_count` | Number of containers | gauge | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_cpu_usage_seconds_kernelmode` | Run time in Kernel mode in Seconds | counter | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_cpu_usage_seconds_usermode` | Run Time in User mode in Seconds | counter | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_cpu_usage_seconds_total` | Total Run time in Seconds | counter | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_memory_usage_commit_bytes` | Memory Usage Commit Bytes | gauge | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_memory_usage_commit_peak_bytes` | Memory Usage Commit Peak Bytes | gauge | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_memory_usage_private_working_set_bytes` | Memory Usage Private Working Set Bytes | gauge | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_network_receive_bytes_total` | Bytes Received on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_network_receive_packets_total` | Packets Received on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_network_receive_packets_dropped_total` | Dropped Incoming Packets on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_network_transmit_bytes_total` | Bytes Sent on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_network_transmit_packets_total` | Packets Sent on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_network_transmit_packets_dropped_total` | Dropped Outgoing Packets on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_storage_read_count_normalized_total` | Read Count Normalized | counter | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_storage_read_size_bytes_total` | Read Size Bytes | counter | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_storage_write_count_normalized_total` | Write Count Normalized | counter | `container_id`,`namespace`,`pod`,`container`, |
| `windows_container_storage_write_size_bytes_total` | Write Size Bytes | counter | `container_id`,`namespace`,`pod`,`container`, |
| Name | Description | Type | Labels |
|------------------------------------------------------------|----------------------------------------|---------|------------------------------------------------------------|
| `windows_container_available` | Available | gauge | `container_id`,`namespace`,`pod`,`container`,`hostprocess` |
| `windows_container_count` | Number of running HCS containers | gauge | None |
| `windows_container_cpu_usage_seconds_kernelmode` | Runtime in Kernel mode in Seconds | counter | `container_id`,`namespace`,`pod`,`container` |
| `windows_container_cpu_usage_seconds_usermode` | Runtime in User mode in Seconds | counter | `container_id`,`namespace`,`pod`,`container` |
| `windows_container_cpu_usage_seconds_total` | Total Runtime in Seconds | counter | `container_id`,`namespace`,`pod`,`container` |
| `windows_container_memory_usage_commit_bytes` | Memory Usage Commit Bytes | gauge | `container_id`,`namespace`,`pod`,`container` |
| `windows_container_memory_usage_commit_peak_bytes` | Memory Usage Commit Peak Bytes | gauge | `container_id`,`namespace`,`pod`,`container` |
| `windows_container_memory_usage_private_working_set_bytes` | Memory Usage Private Working Set Bytes | gauge | `container_id`,`namespace`,`pod`,`container` |
| `windows_container_network_receive_bytes_total` | Bytes Received on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_network_receive_packets_total` | Packets Received on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_network_receive_packets_dropped_total` | Dropped Incoming Packets on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_network_transmit_bytes_total` | Bytes Sent on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_network_transmit_packets_total` | Packets Sent on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_network_transmit_packets_dropped_total` | Dropped Outgoing Packets on Interface | counter | `container_id`,`namespace`,`pod`,`container`,`interface` |
| `windows_container_storage_read_count_normalized_total` | Read Count Normalized | counter | `container_id`,`namespace`,`pod`,`container` |
| `windows_container_storage_read_size_bytes_total` | Read Size Bytes | counter | `container_id`,`namespace`,`pod`,`container` |
| `windows_container_storage_write_count_normalized_total` | Write Count Normalized | counter | `container_id`,`namespace`,`pod`,`container` |
| `windows_container_storage_write_size_bytes_total` | Write Size Bytes | counter | `container_id`,`namespace`,`pod`,`container` |
### Example metric
_windows_container_network_receive_bytes_total{container_id="docker://1bd30e8b8ac28cbd76a9b697b4d7bb9d760267b0733d1bc55c60024e98d1e43e",interface="822179E7-002C-4280-ABBA-28BCFE401826"} 9.3305343e+07_
@@ -41,10 +50,10 @@ _windows_container_network_receive_bytes_total{container_id="docker://1bd30e8b8a
This metric means that total _9.3305343e+07_ bytes received on interface _822179E7-002C-4280-ABBA-28BCFE401826_ for container _docker://1bd30e8b8ac28cbd76a9b697b4d7bb9d760267b0733d1bc55c60024e98d1e43e_
## Useful queries
Attach labels namespace/pod/container fow windows container metrics.
Attach labels namespace/pod/container for Windows container metrics.
```
# kube_pod_container_info(a metric of kube-state-metrics) has labels namespace/pod/container/container_id for a container, while windows container metrics only have container_id.
# Attaching labels namespace/pod/container for windows container metrics, is useful to query for windows pods.
# kube_pod_container_info(a metric of kube-state-metrics) has labels namespace/pod/container/container_id for a container, while Windows container metrics only have container_id.
# Attaching labels namespace/pod/container for Windows container metrics, is useful to query for Windows pods.
windows_container_network_receive_bytes_total * on(container_id) group_left(namespace, pod, container) kube_pod_container_info{container_id!=""}
```
## Alerting examples