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Merge pull request #100007 from utsavoza/ugo/issue-98976/09-03-2021

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Migrate remaining pkg/kubelet/cm/ top level files to structured logging
This commit is contained in:
Kubernetes Prow Robot 2021-03-16 14:50:14 -07:00 committed by GitHub
commit 21de277402
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4 changed files with 24 additions and 22 deletions
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4
pkg/kubelet/cm/cpuset/cpuset.go
View File

@ -19,6 +19,7 @@ package cpuset
import (
"bytes"
"fmt"
"os"
"reflect"
"sort"
"strconv"
@ -278,7 +279,8 @@ func (s CPUSet) String() string {
func MustParse(s string) CPUSet {
res, err := Parse(s)
if err != nil {
klog.Fatalf("unable to parse [%s] as CPUSet: %v", s, err)
klog.ErrorS(err, "Failed to parse input as CPUSet", "input", s)
os.Exit(1)
}
return res
}

10
pkg/kubelet/cm/node_container_manager_linux.go
View File

@ -54,7 +54,7 @@ func (cm *containerManagerImpl) createNodeAllocatableCgroups() error {
return nil
}
if err := cm.cgroupManager.Create(cgroupConfig); err != nil {
klog.Errorf("Failed to create %q cgroup", cm.cgroupRoot)
klog.ErrorS(err, "Failed to create cgroup", "cgroupName", cm.cgroupRoot)
return err
}
return nil
@ -72,7 +72,7 @@ func (cm *containerManagerImpl) enforceNodeAllocatableCgroups() error {
nodeAllocatable = cm.getNodeAllocatableInternalAbsolute()
}
klog.V(4).Infof("Attempting to enforce Node Allocatable with config: %+v", nc)
klog.V(4).InfoS("Attempting to enforce Node Allocatable", "config", nc)
cgroupConfig := &CgroupConfig{
Name: cm.cgroupRoot,
@ -109,7 +109,7 @@ func (cm *containerManagerImpl) enforceNodeAllocatableCgroups() error {
}
// Now apply kube reserved and system reserved limits if required.
if nc.EnforceNodeAllocatable.Has(kubetypes.SystemReservedEnforcementKey) {
klog.V(2).Infof("Enforcing System reserved on cgroup %q with limits: %+v", nc.SystemReservedCgroupName, nc.SystemReserved)
klog.V(2).InfoS("Enforcing system reserved on cgroup", "cgroupName", nc.SystemReservedCgroupName, "limits", nc.SystemReserved)
if err := enforceExistingCgroup(cm.cgroupManager, cm.cgroupManager.CgroupName(nc.SystemReservedCgroupName), nc.SystemReserved); err != nil {
message := fmt.Sprintf("Failed to enforce System Reserved Cgroup Limits on %q: %v", nc.SystemReservedCgroupName, err)
cm.recorder.Event(nodeRef, v1.EventTypeWarning, events.FailedNodeAllocatableEnforcement, message)
@ -118,7 +118,7 @@ func (cm *containerManagerImpl) enforceNodeAllocatableCgroups() error {
cm.recorder.Eventf(nodeRef, v1.EventTypeNormal, events.SuccessfulNodeAllocatableEnforcement, "Updated limits on system reserved cgroup %v", nc.SystemReservedCgroupName)
}
if nc.EnforceNodeAllocatable.Has(kubetypes.KubeReservedEnforcementKey) {
klog.V(2).Infof("Enforcing kube reserved on cgroup %q with limits: %+v", nc.KubeReservedCgroupName, nc.KubeReserved)
klog.V(2).InfoS("Enforcing kube reserved on cgroup", "cgroupName", nc.KubeReservedCgroupName, "limits", nc.KubeReserved)
if err := enforceExistingCgroup(cm.cgroupManager, cm.cgroupManager.CgroupName(nc.KubeReservedCgroupName), nc.KubeReserved); err != nil {
message := fmt.Sprintf("Failed to enforce Kube Reserved Cgroup Limits on %q: %v", nc.KubeReservedCgroupName, err)
cm.recorder.Event(nodeRef, v1.EventTypeWarning, events.FailedNodeAllocatableEnforcement, message)
@ -138,7 +138,7 @@ func enforceExistingCgroup(cgroupManager CgroupManager, cName CgroupName, rl v1.
if cgroupConfig.ResourceParameters == nil {
return fmt.Errorf("%q cgroup is not config properly", cgroupConfig.Name)
}
klog.V(4).Infof("Enforcing limits on cgroup %q with %d cpu shares, %d bytes of memory, and %d processes", cName, cgroupConfig.ResourceParameters.CpuShares, cgroupConfig.ResourceParameters.Memory, cgroupConfig.ResourceParameters.PidsLimit)
klog.V(4).InfoS("Enforcing limits on cgroup", "cgroupName", cName, "cpuShares", cgroupConfig.ResourceParameters.CpuShares, "memory", cgroupConfig.ResourceParameters.Memory, "pidsLimit", cgroupConfig.ResourceParameters.PidsLimit)
if !cgroupManager.Exists(cgroupConfig.Name) {
return fmt.Errorf("%q cgroup does not exist", cgroupConfig.Name)
}

16
pkg/kubelet/cm/pod_container_manager_linux.go
View File

@ -135,7 +135,7 @@ func (m *podContainerManagerImpl) killOnePid(pid int) error {
// Hate parsing strings, but
// vendor/github.com/opencontainers/runc/libcontainer/
// also does this.
klog.V(3).Infof("process with pid %v no longer exists", pid)
klog.V(3).InfoS("Process no longer exists", "pid", pid)
return nil
}
return err
@ -158,23 +158,23 @@ func (m *podContainerManagerImpl) tryKillingCgroupProcesses(podCgroup CgroupName
removed := map[int]bool{}
for i := 0; i < 5; i++ {
if i != 0 {
klog.V(3).Infof("Attempt %v failed to kill all unwanted process from cgroup: %v. Retyring", i, podCgroup)
klog.V(3).InfoS("Attempt failed to kill all unwanted process from cgroup, retrying", "attempt", i, "cgroupName", podCgroup)
}
errlist = []error{}
for _, pid := range pidsToKill {
if _, ok := removed[pid]; ok {
continue
}
klog.V(3).Infof("Attempt to kill process with pid: %v from cgroup: %v", pid, podCgroup)
klog.V(3).InfoS("Attempting to kill process from cgroup", "pid", pid, "cgroupName", podCgroup)
if err := m.killOnePid(pid); err != nil {
klog.V(3).Infof("failed to kill process with pid: %v from cgroup: %v", pid, podCgroup)
klog.V(3).InfoS("Failed to kill process from cgroup", "pid", pid, "cgroupName", podCgroup, "err", err)
errlist = append(errlist, err)
} else {
removed[pid] = true
}
}
if len(errlist) == 0 {
klog.V(3).Infof("successfully killed all unwanted processes from cgroup: %v", podCgroup)
klog.V(3).InfoS("Successfully killed all unwanted processes from cgroup", "cgroupName", podCgroup)
return nil
}
}
@ -185,7 +185,7 @@ func (m *podContainerManagerImpl) tryKillingCgroupProcesses(podCgroup CgroupName
func (m *podContainerManagerImpl) Destroy(podCgroup CgroupName) error {
// Try killing all the processes attached to the pod cgroup
if err := m.tryKillingCgroupProcesses(podCgroup); err != nil {
klog.Warningf("failed to kill all the processes attached to the %v cgroups", podCgroup)
klog.InfoS("Failed to kill all the processes attached to cgroup", "cgroupName", podCgroup, "err", err)
return fmt.Errorf("failed to kill all the processes attached to the %v cgroups : %v", podCgroup, err)
}
@ -195,7 +195,7 @@ func (m *podContainerManagerImpl) Destroy(podCgroup CgroupName) error {
ResourceParameters: &ResourceConfig{},
}
if err := m.cgroupManager.Destroy(containerConfig); err != nil {
klog.Warningf("failed to delete cgroup paths for %v : %v", podCgroup, err)
klog.InfoS("Failed to delete cgroup paths", "cgroupName", podCgroup, "err", err)
return fmt.Errorf("failed to delete cgroup paths for %v : %v", podCgroup, err)
}
return nil
@ -274,7 +274,7 @@ func (m *podContainerManagerImpl) GetAllPodsFromCgroups() (map[types.UID]CgroupN
parts := strings.Split(basePath, podCgroupNamePrefix)
// the uid is missing, so we log the unexpected cgroup not of form pod<uid>
if len(parts) != 2 {
klog.Errorf("pod cgroup manager ignoring unexpected cgroup %v because it is not a pod", cgroupfsPath)
klog.InfoS("Pod cgroup manager ignored unexpected cgroup because it is not a pod", "path", cgroupfsPath)
continue
}
podUID := parts[1]

16
pkg/kubelet/cm/qos_container_manager_linux.go
View File

@ -135,7 +135,7 @@ func (m *qosContainerManagerImpl) Start(getNodeAllocatable func() v1.ResourceLis
go wait.Until(func() {
err := m.UpdateCgroups()
if err != nil {
klog.Warningf("[ContainerManager] Failed to reserve QoS requests: %v", err)
klog.InfoS("Failed to reserve QoS requests", "err", err)
}
}, periodicQOSCgroupUpdateInterval, wait.NeverStop)
@ -219,17 +219,17 @@ func (m *qosContainerManagerImpl) setMemoryReserve(configs map[v1.PodQOSClass]*C
resources := m.getNodeAllocatable()
allocatableResource, ok := resources[v1.ResourceMemory]
if !ok {
klog.V(2).Infof("[Container Manager] Allocatable memory value could not be determined. Not setting QOS memory limts.")
klog.V(2).InfoS("Allocatable memory value could not be determined, not setting QoS memory limits")
return
}
allocatable := allocatableResource.Value()
if allocatable == 0 {
klog.V(2).Infof("[Container Manager] Memory allocatable reported as 0, might be in standalone mode. Not setting QOS memory limts.")
klog.V(2).InfoS("Allocatable memory reported as 0, might be in standalone mode, not setting QoS memory limits")
return
}
for qos, limits := range qosMemoryRequests {
klog.V(2).Infof("[Container Manager] %s pod requests total %d bytes (reserve %d%%)", qos, limits, percentReserve)
klog.V(2).InfoS("QoS pod memory limit", "qos", qos, "limits", limits, "percentReserve", percentReserve)
}
// Calculate QOS memory limits
@ -249,7 +249,7 @@ func (m *qosContainerManagerImpl) retrySetMemoryReserve(configs map[v1.PodQOSCla
for qos, config := range configs {
stats, err := m.cgroupManager.GetResourceStats(config.Name)
if err != nil {
klog.V(2).Infof("[Container Manager] %v", err)
klog.V(2).InfoS("Failed to get resource stats", "err", err)
return
}
usage := stats.MemoryStats.Usage
@ -307,7 +307,7 @@ func (m *qosContainerManagerImpl) UpdateCgroups() error {
}
}
if updateSuccess {
klog.V(4).Infof("[ContainerManager]: Updated QoS cgroup configuration")
klog.V(4).InfoS("Updated QoS cgroup configuration")
return nil
}
@ -325,12 +325,12 @@ func (m *qosContainerManagerImpl) UpdateCgroups() error {
for _, config := range qosConfigs {
err := m.cgroupManager.Update(config)
if err != nil {
klog.Errorf("[ContainerManager]: Failed to update QoS cgroup configuration")
klog.ErrorS(err, "Failed to update QoS cgroup configuration")
return err
}
}
klog.V(4).Infof("[ContainerManager]: Updated QoS cgroup configuration")
klog.V(4).InfoS("Updated QoS cgroup configuration")
return nil
}