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Add SwapStats to summary API through CRI

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Signed-off-by: Itamar Holder <iholder@redhat.com>
This commit is contained in:
Itamar Holder 2023-06-27 14:20:20 +03:00
parent 87ff9c4525
commit 59e3e3897e
1 changed files with 26 additions and 0 deletions
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26
pkg/kubelet/stats/cri_stats_provider.go
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@ -206,6 +206,7 @@ func (p *criStatsProvider) listPodStatsPartiallyFromCRI(ctx context.Context, upd
cs := p.makeContainerStats(stats, container, rootFsInfo, fsIDtoInfo, podSandbox.GetMetadata(), updateCPUNanoCoreUsage)
p.addPodNetworkStats(ps, podSandboxID, caInfos, cs, containerNetworkStats[podSandboxID])
p.addPodCPUMemoryStats(ps, types.UID(podSandbox.Metadata.Uid), allInfos, cs)
p.addSwapStats(ps, types.UID(podSandbox.Metadata.Uid), allInfos, cs)
p.addProcessStats(ps, types.UID(podSandbox.Metadata.Uid), allInfos, cs)
// If cadvisor stats is available for the container, use it to populate
@ -548,6 +549,31 @@ func (p *criStatsProvider) addPodCPUMemoryStats(
}
}
func (p *criStatsProvider) addSwapStats(
ps *statsapi.PodStats,
podUID types.UID,
allInfos map[string]cadvisorapiv2.ContainerInfo,
cs *statsapi.ContainerStats,
) {
// try get cpu and memory stats from cadvisor first.
podCgroupInfo := getCadvisorPodInfoFromPodUID(podUID, allInfos)
if podCgroupInfo != nil {
ps.Swap = cadvisorInfoToSwapStats(podCgroupInfo)
return
}
// Sum Pod cpu and memory stats from containers stats.
if cs.Swap != nil {
if ps.Swap == nil {
ps.Swap = &statsapi.SwapStats{Time: cs.Swap.Time}
}
swapAvailableBytes := getUint64Value(cs.Swap.SwapAvailableBytes) + getUint64Value(ps.Swap.SwapAvailableBytes)
swapUsageBytes := getUint64Value(cs.Swap.SwapUsageBytes) + getUint64Value(ps.Swap.SwapUsageBytes)
ps.Swap.SwapAvailableBytes = &swapAvailableBytes
ps.Swap.SwapUsageBytes = &swapUsageBytes
}
}
func (p *criStatsProvider) addProcessStats(
ps *statsapi.PodStats,
podUID types.UID,