Add Windows Podsandbox Stats

Signed-off-by: James Sturtevant <jstur@microsoft.com>

staging/src/k8s.io/cri-api/pkg/apis/runtime/v1/api.proto

@@ -665,12 +665,21 @@ message LinuxPodSandboxStats {
 
 // WindowsPodSandboxStats provides the resource usage statistics for a pod sandbox on windows
 message WindowsPodSandboxStats {
-    // TODO: Add stats relevant to windows.
+    // CPU usage gathered for the pod sandbox.
+    WindowsCpuUsage cpu = 1;
+    // Memory usage gathered for the pod sandbox.
+    WindowsMemoryUsage memory = 2;
+    // Network usage gathered for the pod sandbox
+    WindowsNetworkUsage network = 3;
+    // Stats pertaining to processes in the pod sandbox.
+    WindowsProcessUsage process = 4;
+    // Stats of containers in the measured pod sandbox.
+    repeated WindowsContainerStats containers = 5;
 }
 
 // NetworkUsage contains data about network resources.
 message NetworkUsage {
-    // The time at which these stats were updated.
+    // Timestamp in nanoseconds at which the information were collected. Must be > 0.
     int64 timestamp = 1;
     // Stats for the default network interface.
     NetworkInterfaceUsage default_interface = 2;
@@ -678,6 +687,16 @@ message NetworkUsage {
     repeated NetworkInterfaceUsage interfaces = 3;
 }
 
+// WindowsNetworkUsage contains data about network resources specific to Windows.
+message WindowsNetworkUsage {
+    // Timestamp in nanoseconds at which the information were collected. Must be > 0.
+    int64 timestamp = 1;
+    // Stats for the default network interface.
+    WindowsNetworkInterfaceUsage default_interface = 2;
+    // Stats for all found network interfaces, excluding the default.
+    repeated WindowsNetworkInterfaceUsage interfaces = 3;
+}
+
 // NetworkInterfaceUsage contains resource value data about a network interface.
 message NetworkInterfaceUsage {
     // The name of the network interface.
@@ -692,9 +711,31 @@ message NetworkInterfaceUsage {
     UInt64Value tx_errors = 5;
 }
 
+// WindowsNetworkInterfaceUsage contains resource value data about a network interface specific for Windows.
+message WindowsNetworkInterfaceUsage {
+    // The name of the network interface.
+    string name = 1;
+    // Cumulative count of bytes received.
+    UInt64Value rx_bytes = 2;
+    // Cumulative count of receive errors encountered.
+    UInt64Value rx_packets_dropped = 3;
+    // Cumulative count of bytes transmitted.
+    UInt64Value tx_bytes = 4;
+    // Cumulative count of transmit errors encountered.
+    UInt64Value tx_packets_dropped = 5;
+}
+
 // ProcessUsage are stats pertaining to processes.
 message ProcessUsage {
-    // The time at which these stats were updated.
+    // Timestamp in nanoseconds at which the information were collected. Must be > 0.
+    int64 timestamp = 1;
+    // Number of processes.
+    UInt64Value process_count = 2;
+}
+
+// WindowsProcessUsage are stats pertaining to processes specific to Windows.
+message WindowsProcessUsage {
+    // Timestamp in nanoseconds at which the information were collected. Must be > 0.
     int64 timestamp = 1;
     // Number of processes.
     UInt64Value process_count = 2;
@@ -1460,6 +1501,18 @@ message FilesystemUsage {
     UInt64Value inodes_used = 4;
 }
 
+// WindowsFilesystemUsage provides the filesystem usage information specific to Windows.
+message WindowsFilesystemUsage {
+    // Timestamp in nanoseconds at which the information were collected. Must be > 0.
+    int64 timestamp = 1;
+    // The unique identifier of the filesystem.
+    FilesystemIdentifier fs_id = 2;
+    // UsedBytes represents the bytes used for images on the filesystem.
+    // This may differ from the total bytes used on the filesystem and may not
+    // equal CapacityBytes - AvailableBytes.
+    UInt64Value used_bytes = 3;
+}
+
 message ImageFsInfoResponse {
     // Information of image filesystem(s).
     repeated FilesystemUsage image_filesystems = 1;
@@ -1525,6 +1578,18 @@ message ContainerStats {
     FilesystemUsage writable_layer = 4;
 }
 
+// WindowsContainerStats provides the resource usage statistics for a container specific for Windows 
+message WindowsContainerStats {
+    // Information of the container.
+    ContainerAttributes attributes = 1;
+    // CPU usage gathered from the container.
+    WindowsCpuUsage cpu = 2;
+    // Memory usage gathered from the container.
+    WindowsMemoryUsage memory = 3;
+    // Usage of the writable layer.
+    WindowsFilesystemUsage writable_layer = 4;
+}
+
 // CpuUsage provides the CPU usage information.
 message CpuUsage {
     // Timestamp in nanoseconds at which the information were collected. Must be > 0.
@@ -1536,6 +1601,17 @@ message CpuUsage {
     UInt64Value usage_nano_cores = 3;
 }
 
+// WindowsCpuUsage provides the CPU usage information specific to Windows
+message WindowsCpuUsage {
+    // Timestamp in nanoseconds at which the information were collected. Must be > 0.
+    int64 timestamp = 1;
+    // Cumulative CPU usage (sum across all cores) since object creation.
+    UInt64Value usage_core_nano_seconds = 2;
+    // Total CPU usage (sum of all cores) averaged over the sample window.
+    // The "core" unit can be interpreted as CPU core-nanoseconds per second.
+    UInt64Value usage_nano_cores = 3;
+}
+
 // MemoryUsage provides the memory usage information.
 message MemoryUsage {
     // Timestamp in nanoseconds at which the information were collected. Must be > 0.
@@ -1554,6 +1630,18 @@ message MemoryUsage {
     UInt64Value major_page_faults = 7;
 }
 
+// WindowsMemoryUsage provides the memory usage information specific to Windows
+message WindowsMemoryUsage {
+    // Timestamp in nanoseconds at which the information were collected. Must be > 0.
+    int64 timestamp = 1;
+    // The amount of working set memory in bytes.
+    UInt64Value working_set_bytes = 2;
+    // Available memory for use. This is defined as the memory limit - workingSetBytes.
+    UInt64Value available_bytes = 3;
+    // Cumulative number of page faults.
+    UInt64Value page_faults = 4;
+}
+
 message ReopenContainerLogRequest {
     // ID of the container for which to reopen the log.
     string container_id = 1;