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Overview ¶
Package daemon contains logic for watching and synchronizing daemons.
Index ¶
Constants ¶
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const ( // BurstReplicas is a rate limiter for booting pods on a lot of pods. // The value of 250 is chosen b/c values that are too high can cause registry DoS issues. BurstReplicas = 250 // StatusUpdateRetries limits the number of retries if sending a status update to API server fails. StatusUpdateRetries = 1 // BackoffGCInterval is the time that has to pass before next iteration of backoff GC is run BackoffGCInterval = 1 * time.Minute )
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const ( // SelectingAllReason is added to an event when a DaemonSet selects all Pods. SelectingAllReason = "SelectingAll" // FailedPlacementReason is added to an event when a DaemonSet can't schedule a Pod to a specified node. FailedPlacementReason = "FailedPlacement" // FailedDaemonPodReason is added to an event when the status of a Pod of a DaemonSet is 'Failed'. FailedDaemonPodReason = "FailedDaemonPod" // SucceededDaemonPodReason is added to an event when the status of a Pod of a DaemonSet is 'Succeeded'. SucceededDaemonPodReason = "SucceededDaemonPod" )
Reasons for DaemonSet events
Variables ¶
This section is empty.
Functions ¶
func Match ¶ added in v1.7.0
Match check if the given DaemonSet's template matches the template stored in the given history.
func NodeShouldRunDaemonPod ¶ added in v1.24.0
NodeShouldRunDaemonPod checks a set of preconditions against a (node,daemonset) and returns a summary. Returned booleans are:
- shouldRun: Returns true when a daemonset should run on the node if a daemonset pod is not already running on that node.
- shouldContinueRunning: Returns true when a daemonset should continue running on a node if a daemonset pod is already running on that node.
Types ¶
type DaemonSetsController ¶
type DaemonSetsController struct {
// contains filtered or unexported fields
}
DaemonSetsController is responsible for synchronizing DaemonSet objects stored in the system with actual running pods.
func NewDaemonSetsController ¶
func NewDaemonSetsController( ctx context.Context, daemonSetInformer appsinformers.DaemonSetInformer, historyInformer appsinformers.ControllerRevisionInformer, podInformer coreinformers.PodInformer, nodeInformer coreinformers.NodeInformer, kubeClient clientset.Interface, failedPodsBackoff *flowcontrol.Backoff, ) (*DaemonSetsController, error)
NewDaemonSetsController creates a new DaemonSetsController
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