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Add support to disable /debug/pprof and /debug/flags/v endpoint

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Co-authored-by: xiaofei.sun <sunxiaofei@kuaishou.com>
Co-authored-by: SaranBalaji90 <srisaranbalaji@gmail.com>
This commit is contained in:
Sri Saran Balaji Vellore Rajakumar
2021-01-23 09:16:39 -08:00
parent f41def8d76
commit 51cdf4e97b
12 changed files with 134 additions and 52 deletions
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2
pkg/kubelet/apis/config/helpers_test.go
View File

@@ -165,7 +165,9 @@ var (
"ContentType",
"EnableContentionProfiling",
"EnableControllerAttachDetach",
"EnableDebugFlagsHandler",
"EnableDebuggingHandlers",
"EnableProfilingHandler",
"EnableServer",
"EnableSystemLogHandler",
"EnforceNodeAllocatable[*]",

2
pkg/kubelet/apis/config/scheme/testdata/KubeletConfiguration/after/v1beta1.yaml vendored
View File

@@ -23,7 +23,9 @@ cpuCFSQuotaPeriod: 100ms
cpuManagerPolicy: none
cpuManagerReconcilePeriod: 10s
enableControllerAttachDetach: true
enableDebugFlagsHandler: true
enableDebuggingHandlers: true
enableProfilingHandler: true
enableServer: true
enableSystemLogHandler: true
enforceNodeAllocatable:

2
pkg/kubelet/apis/config/scheme/testdata/KubeletConfiguration/roundtrip/default/v1beta1.yaml vendored
View File

@@ -23,7 +23,9 @@ cpuCFSQuotaPeriod: 100ms
cpuManagerPolicy: none
cpuManagerReconcilePeriod: 10s
enableControllerAttachDetach: true
enableDebugFlagsHandler: true
enableDebuggingHandlers: true
enableProfilingHandler: true
enableServer: true
enableSystemLogHandler: true
enforceNodeAllocatable:

4
pkg/kubelet/apis/config/types.go
View File

@@ -399,6 +399,10 @@ type KubeletConfiguration struct {
// 3. NUMAs nodes IDs that do not exist under the machine.
// 4. memory types except for memory and hugepages-<size>
ReservedMemory []MemoryReservation
// EnableProfiling enables /debug/pprof handler.
EnableProfilingHandler bool
// EnableDebugFlagsHandler enables/debug/flags/v handler.
EnableDebugFlagsHandler bool
}
// KubeletAuthorizationMode denotes the authorization mode for the kubelet

6
pkg/kubelet/apis/config/v1beta1/defaults.go
View File

@@ -246,4 +246,10 @@ func SetDefaults_KubeletConfiguration(obj *kubeletconfigv1beta1.KubeletConfigura
if obj.EnableSystemLogHandler == nil {
obj.EnableSystemLogHandler = utilpointer.BoolPtr(true)
}
if obj.EnableProfilingHandler == nil {
obj.EnableProfilingHandler = utilpointer.BoolPtr(true)
}
if obj.EnableDebugFlagsHandler == nil {
obj.EnableDebugFlagsHandler = utilpointer.BoolPtr(true)
}
}

12
pkg/kubelet/apis/config/v1beta1/zz_generated.conversion.go generated
View File

@@ -365,6 +365,12 @@ func autoConvert_v1beta1_KubeletConfiguration_To_config_KubeletConfiguration(in
out.ShutdownGracePeriod = in.ShutdownGracePeriod
out.ShutdownGracePeriodCriticalPods = in.ShutdownGracePeriodCriticalPods
out.ReservedMemory = *(*[]config.MemoryReservation)(unsafe.Pointer(&in.ReservedMemory))
if err := v1.Convert_Pointer_bool_To_bool(&in.EnableProfilingHandler, &out.EnableProfilingHandler, s); err != nil {
return err
}
if err := v1.Convert_Pointer_bool_To_bool(&in.EnableDebugFlagsHandler, &out.EnableDebugFlagsHandler, s); err != nil {
return err
}
return nil
}
@@ -520,6 +526,12 @@ func autoConvert_config_KubeletConfiguration_To_v1beta1_KubeletConfiguration(in
out.ShutdownGracePeriod = in.ShutdownGracePeriod
out.ShutdownGracePeriodCriticalPods = in.ShutdownGracePeriodCriticalPods
out.ReservedMemory = *(*[]v1beta1.MemoryReservation)(unsafe.Pointer(&in.ReservedMemory))
if err := v1.Convert_bool_To_Pointer_bool(&in.EnableProfilingHandler, &out.EnableProfilingHandler, s); err != nil {
return err
}
if err := v1.Convert_bool_To_Pointer_bool(&in.EnableDebugFlagsHandler, &out.EnableDebugFlagsHandler, s); err != nil {
return err
}
return nil
}