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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2020-02-21 11:04:16 -0500
committerGitHub <noreply@github.com>2020-02-21 11:04:16 -0500
commit585649df4635a7341dd4636fb8be939f5de5825f (patch)
tree960febfc42b05b11024e051e937d8c3f365e5038 /pkg/api
parent4e35c0824f3c6611d482d3137728e74f5af3e0ed (diff)
parent98774e14762ac0a1010bd1785c362f7d24ff63fd (diff)
downloadpodman-585649df4635a7341dd4636fb8be939f5de5825f.tar.gz
podman-585649df4635a7341dd4636fb8be939f5de5825f.tar.bz2
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Merge pull request #5178 from marusak/expose_cpu
stats: Expose CPU usage in API
Diffstat (limited to 'pkg/api')
-rw-r--r--pkg/api/handlers/generic/containers_stats.go16
-rw-r--r--pkg/api/handlers/generic/types.go55
-rw-r--r--pkg/api/handlers/types.go8
3 files changed, 63 insertions, 16 deletions
diff --git a/pkg/api/handlers/generic/containers_stats.go b/pkg/api/handlers/generic/containers_stats.go
index 19e2cc882..977979741 100644
--- a/pkg/api/handlers/generic/containers_stats.go
+++ b/pkg/api/handlers/generic/containers_stats.go
@@ -7,7 +7,6 @@ import (
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/define"
- "github.com/containers/libpod/pkg/api/handlers"
"github.com/containers/libpod/pkg/api/handlers/utils"
"github.com/containers/libpod/pkg/cgroups"
docker "github.com/docker/docker/api/types"
@@ -58,17 +57,18 @@ func StatsContainer(w http.ResponseWriter, r *http.Request) {
}
var preRead time.Time
- var preCPUStats docker.CPUStats
+ var preCPUStats CPUStats
if query.Stream {
preRead = time.Now()
systemUsage, _ := cgroups.GetSystemCPUUsage()
- preCPUStats = docker.CPUStats{
+ preCPUStats = CPUStats{
CPUUsage: docker.CPUUsage{
TotalUsage: stats.CPUNano,
PercpuUsage: stats.PerCPU,
UsageInKernelmode: stats.CPUSystemNano,
UsageInUsermode: stats.CPUNano - stats.CPUSystemNano,
},
+ CPU: stats.CPU,
SystemUsage: systemUsage,
OnlineCPUs: 0,
ThrottlingData: docker.ThrottlingData{},
@@ -124,9 +124,8 @@ func StatsContainer(w http.ResponseWriter, r *http.Request) {
}
systemUsage, _ := cgroups.GetSystemCPUUsage()
-
- s := handlers.Stats{StatsJSON: docker.StatsJSON{
- Stats: docker.Stats{
+ s := StatsJSON{
+ Stats: Stats{
Read: time.Now(),
PreRead: preRead,
PidsStats: docker.PidsStats{
@@ -143,13 +142,14 @@ func StatsContainer(w http.ResponseWriter, r *http.Request) {
IoTimeRecursive: nil,
SectorsRecursive: nil,
},
- CPUStats: docker.CPUStats{
+ CPUStats: CPUStats{
CPUUsage: docker.CPUUsage{
TotalUsage: cgroupStat.CPU.Usage.Total,
PercpuUsage: cgroupStat.CPU.Usage.PerCPU,
UsageInKernelmode: cgroupStat.CPU.Usage.Kernel,
UsageInUsermode: cgroupStat.CPU.Usage.Total - cgroupStat.CPU.Usage.Kernel,
},
+ CPU: stats.CPU,
SystemUsage: systemUsage,
OnlineCPUs: uint32(len(cgroupStat.CPU.Usage.PerCPU)),
ThrottlingData: docker.ThrottlingData{
@@ -173,7 +173,7 @@ func StatsContainer(w http.ResponseWriter, r *http.Request) {
Name: stats.Name,
ID: stats.ContainerID,
Networks: net,
- }}
+ }
utils.WriteJSON(w, http.StatusOK, s)
if flusher, ok := w.(http.Flusher); ok {
diff --git a/pkg/api/handlers/generic/types.go b/pkg/api/handlers/generic/types.go
new file mode 100644
index 000000000..f068ac011
--- /dev/null
+++ b/pkg/api/handlers/generic/types.go
@@ -0,0 +1,55 @@
+package generic
+
+import (
+ "time"
+
+ docker "github.com/docker/docker/api/types"
+)
+
+// CPUStats aggregates and wraps all CPU related info of container
+type CPUStats struct {
+ // CPU Usage. Linux and Windows.
+ CPUUsage docker.CPUUsage `json:"cpu_usage"`
+
+ // System Usage. Linux only.
+ SystemUsage uint64 `json:"system_cpu_usage,omitempty"`
+
+ // Online CPUs. Linux only.
+ OnlineCPUs uint32 `json:"online_cpus,omitempty"`
+
+ // Usage of CPU in %. Linux only.
+ CPU float64 `json:"cpu"`
+
+ // Throttling Data. Linux only.
+ ThrottlingData docker.ThrottlingData `json:"throttling_data,omitempty"`
+}
+
+// Stats is Ultimate struct aggregating all types of stats of one container
+type Stats struct {
+ // Common stats
+ Read time.Time `json:"read"`
+ PreRead time.Time `json:"preread"`
+
+ // Linux specific stats, not populated on Windows.
+ PidsStats docker.PidsStats `json:"pids_stats,omitempty"`
+ BlkioStats docker.BlkioStats `json:"blkio_stats,omitempty"`
+
+ // Windows specific stats, not populated on Linux.
+ NumProcs uint32 `json:"num_procs"`
+ StorageStats docker.StorageStats `json:"storage_stats,omitempty"`
+
+ // Shared stats
+ CPUStats CPUStats `json:"cpu_stats,omitempty"`
+ PreCPUStats CPUStats `json:"precpu_stats,omitempty"` // "Pre"="Previous"
+ MemoryStats docker.MemoryStats `json:"memory_stats,omitempty"`
+}
+
+type StatsJSON struct {
+ Stats
+
+ Name string `json:"name,omitempty"`
+ ID string `json:"id,omitempty"`
+
+ // Networks request version >=1.21
+ Networks map[string]docker.NetworkStats `json:"networks,omitempty"`
+}
diff --git a/pkg/api/handlers/types.go b/pkg/api/handlers/types.go
index 6268028f5..c72b0f817 100644
--- a/pkg/api/handlers/types.go
+++ b/pkg/api/handlers/types.go
@@ -78,10 +78,6 @@ type Container struct {
docker.ContainerCreateConfig
}
-type ContainerStats struct {
- docker.ContainerStats
-}
-
type Version struct {
docker.Version
}
@@ -143,10 +139,6 @@ type IDResponse struct {
ID string `json:"id"`
}
-type Stats struct {
- docker.StatsJSON
-}
-
type ContainerTopOKBody struct {
dockerContainer.ContainerTopOKBody
}