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Remove deprecated pod-eviction-timeout flag from controller-manager

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This commit is contained in:
Andrea Tosatto
2023-03-07 14:27:14 +00:00
parent 98bbeae99f
commit cae19f9e85
10 changed files with 4 additions and 639 deletions
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1
cmd/kube-controller-manager/app/core.go
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@@ -186,7 +186,6 @@ func startNodeLifecycleController(ctx context.Context, controllerContext Control
controllerContext.ComponentConfig.KubeCloudShared.NodeMonitorPeriod.Duration,
controllerContext.ComponentConfig.NodeLifecycleController.NodeStartupGracePeriod.Duration,
controllerContext.ComponentConfig.NodeLifecycleController.NodeMonitorGracePeriod.Duration,
controllerContext.ComponentConfig.NodeLifecycleController.PodEvictionTimeout.Duration,
controllerContext.ComponentConfig.NodeLifecycleController.NodeEvictionRate,
controllerContext.ComponentConfig.NodeLifecycleController.SecondaryNodeEvictionRate,
controllerContext.ComponentConfig.NodeLifecycleController.LargeClusterSizeThreshold,

3
cmd/kube-controller-manager/app/options/nodelifecyclecontroller.go
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@@ -39,12 +39,10 @@ func (o *NodeLifecycleControllerOptions) AddFlags(fs *pflag.FlagSet) {
"Amount of time which we allow running Node to be unresponsive before marking it unhealthy. "+
"Must be N times more than kubelet's nodeStatusUpdateFrequency, "+
"where N means number of retries allowed for kubelet to post node status.")
fs.DurationVar(&o.PodEvictionTimeout.Duration, "pod-eviction-timeout", o.PodEvictionTimeout.Duration, "The grace period for deleting pods on failed nodes.")
fs.Float32Var(&o.NodeEvictionRate, "node-eviction-rate", 0.1, "Number of nodes per second on which pods are deleted in case of node failure when a zone is healthy (see --unhealthy-zone-threshold for definition of healthy/unhealthy). Zone refers to entire cluster in non-multizone clusters.")
fs.Float32Var(&o.SecondaryNodeEvictionRate, "secondary-node-eviction-rate", 0.01, "Number of nodes per second on which pods are deleted in case of node failure when a zone is unhealthy (see --unhealthy-zone-threshold for definition of healthy/unhealthy). Zone refers to entire cluster in non-multizone clusters. This value is implicitly overridden to 0 if the cluster size is smaller than --large-cluster-size-threshold.")
fs.Int32Var(&o.LargeClusterSizeThreshold, "large-cluster-size-threshold", 50, "Number of nodes from which NodeController treats the cluster as large for the eviction logic purposes. --secondary-node-eviction-rate is implicitly overridden to 0 for clusters this size or smaller.")
fs.Float32Var(&o.UnhealthyZoneThreshold, "unhealthy-zone-threshold", 0.55, "Fraction of Nodes in a zone which needs to be not Ready (minimum 3) for zone to be treated as unhealthy. ")
fs.MarkDeprecated("pod-eviction-timeout", "This flag is deprecated and it will be removed in 1.28. Since taint manager is always enabled, this flag will have no effect.")
}
// ApplyTo fills up NodeLifecycleController config with options.
@@ -55,7 +53,6 @@ func (o *NodeLifecycleControllerOptions) ApplyTo(cfg *nodelifecycleconfig.NodeLi
cfg.NodeStartupGracePeriod = o.NodeStartupGracePeriod
cfg.NodeMonitorGracePeriod = o.NodeMonitorGracePeriod
cfg.PodEvictionTimeout = o.PodEvictionTimeout
cfg.NodeEvictionRate = o.NodeEvictionRate
cfg.SecondaryNodeEvictionRate = o.SecondaryNodeEvictionRate
cfg.LargeClusterSizeThreshold = o.LargeClusterSizeThreshold

4
cmd/kube-controller-manager/app/options/options_test.go
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@@ -141,7 +141,6 @@ var args = []string{
"--node-monitor-grace-period=30s",
"--node-monitor-period=10s",
"--node-startup-grace-period=30s",
"--pod-eviction-timeout=2m",
"--profiling=false",
"--pv-recycler-increment-timeout-nfs=45",
"--pv-recycler-minimum-timeout-hostpath=45",
@@ -347,7 +346,6 @@ func TestAddFlags(t *testing.T) {
SecondaryNodeEvictionRate: 0.05,
NodeMonitorGracePeriod: metav1.Duration{Duration: 30 * time.Second},
NodeStartupGracePeriod: metav1.Duration{Duration: 30 * time.Second},
PodEvictionTimeout: metav1.Duration{Duration: 2 * time.Minute},
LargeClusterSizeThreshold: 100,
UnhealthyZoneThreshold: 0.6,
},
@@ -591,7 +589,6 @@ func TestApplyTo(t *testing.T) {
SecondaryNodeEvictionRate: 0.05,
NodeMonitorGracePeriod: metav1.Duration{Duration: 30 * time.Second},
NodeStartupGracePeriod: metav1.Duration{Duration: 30 * time.Second},
PodEvictionTimeout: metav1.Duration{Duration: 2 * time.Minute},
LargeClusterSizeThreshold: 100,
UnhealthyZoneThreshold: 0.6,
},
@@ -1165,7 +1162,6 @@ func TestValidateControllersOptions(t *testing.T) {
SecondaryNodeEvictionRate: 0.05,
NodeMonitorGracePeriod: metav1.Duration{Duration: 30 * time.Second},
NodeStartupGracePeriod: metav1.Duration{Duration: 30 * time.Second},
PodEvictionTimeout: metav1.Duration{Duration: 2 * time.Minute},
LargeClusterSizeThreshold: 100,
UnhealthyZoneThreshold: 0.6,
},