Add new types for DaemonSet update.

pkg/apis/extensions/types.go

@@ -308,6 +308,48 @@ type DeploymentList struct {
 	Items []Deployment `json:"items"`
 }
 
+type DaemonSetUpdateStrategy struct {
+	// Type of daemon set update. Only "RollingUpdate" is supported at this time. Default is RollingUpdate.
+	Type DaemonSetUpdateStrategyType `json:"type,omitempty"`
+
+	// Rolling update config params. Present only if DeploymentStrategyType =
+	// RollingUpdate.
+	//---
+	// TODO: Update this to follow our convention for oneOf, whatever we decide it
+	// to be. Same as DeploymentStrategy.RollingUpdate
+	RollingUpdate *RollingUpdateDaemonSet `json:"rollingUpdate,omitempty"`
+}
+
+type DaemonSetUpdateStrategyType string
+
+const (
+	// Replace the old daemons by new ones using rolling update i.e replace them on each node one after the other.
+	RollingUpdateDaemonSetUpdateStrategyType DaemonSetUpdateStrategyType = "RollingUpdate"
+)
+
+// Spec to control the desired behavior of daemon set rolling update.
+type RollingUpdateDaemonSet struct {
+	// The maximum number of DaemonSet pods that can be unavailable during the
+	// update. Value can be an absolute number (ex: 5) or a percentage of total
+	// number of DaemonSet pods at the start of the update (ex: 10%). Absolute
+	// number is calculated from percentage by rounding up.
+	// Default value is 1.
+	// Example: when this is set to 30%, 30% of the currently running DaemonSet
+	// pods can be stopped for an update at any given time. The update starts
+	// by stopping at most 30% of the currently running DaemonSet pods and then
+	// brings up new DaemonSet pods in their place. Once the new pods are ready,
+	// it then proceeds onto other DaemonSet pods, thus ensuring that at least
+	// 70% of original number of DaemonSet pods are available at all times
+	// during the update.
+	MaxUnavailable intstr.IntOrString `json:"maxUnavailable,omitempty"`
+
+	// Minimum number of seconds for which a newly created DaemonSet pod should
+	// be ready without any of its container crashing, for it to be considered
+	// available. Defaults to 0 (pod will be considered available as soon as it
+	// is ready).
+	MinReadySeconds int `json:"minReadySeconds,omitempty"`
+}
+
 // DaemonSetSpec is the specification of a daemon set.
 type DaemonSetSpec struct {
 	// Selector is a label query over pods that are managed by the daemon set.
@@ -316,6 +358,9 @@ type DaemonSetSpec struct {
 	// More info: http://releases.k8s.io/HEAD/docs/user-guide/labels.md#label-selectors
 	Selector *LabelSelector `json:"selector,omitempty"`
 
+	// The update strategy to use to replace existing DaemonSet with a new one.
+	Strategy DaemonSetUpdateStrategy `json:"strategy,omitempty"`
+
 	// Template is the object that describes the pod that will be created.
 	// The DaemonSet will create exactly one copy of this pod on every node
 	// that matches the template's node selector (or on every node if no node

pkg/apis/extensions/v1beta1/types.go

@@ -298,6 +298,48 @@ type DeploymentList struct {
 	Items []Deployment `json:"items"`
 }
 
+type DaemonSetUpdateStrategy struct {
+	// Type of daemon set update. Only "RollingUpdate" is supported at this time. Default is RollingUpdate.
+	Type DaemonSetUpdateStrategyType `json:"type,omitempty"`
+
+	// Rolling update config params. Present only if DeploymentStrategyType =
+	// RollingUpdate.
+	//---
+	// TODO: Update this to follow our convention for oneOf, whatever we decide it
+	// to be. Same as DeploymentStrategy.RollingUpdate
+	RollingUpdate *RollingUpdateDaemonSet `json:"rollingUpdate,omitempty"`
+}
+
+type DaemonSetUpdateStrategyType string
+
+const (
+	// Replace the old daemons by new ones using rolling update i.e replace them on each node one after the other.
+	RollingUpdateDaemonSetUpdateStrategyType DaemonSetUpdateStrategyType = "RollingUpdate"
+)
+
+// Spec to control the desired behavior of daemon set rolling update.
+type RollingUpdateDaemonSet struct {
+	// The maximum number of DaemonSet pods that can be unavailable during the
+	// update. Value can be an absolute number (ex: 5) or a percentage of total
+	// number of DaemonSet pods at the start of the update (ex: 10%). Absolute
+	// number is calculated from percentage by rounding up.
+	// Default value is 1.
+	// Example: when this is set to 30%, 30% of the currently running DaemonSet
+	// pods can be stopped for an update at any given time. The update starts
+	// by stopping at most 30% of the currently running DaemonSet pods and then
+	// brings up new DaemonSet pods in their place. Once the new pods are ready,
+	// it then proceeds onto other DaemonSet pods, thus ensuring that at least
+	// 70% of original number of DaemonSet pods are available at all times
+	// during the update.
+	MaxUnavailable *intstr.IntOrString `json:"maxUnavailable,omitempty"`
+
+	// Minimum number of seconds for which a newly created DaemonSet pod should
+	// be ready without any of its container crashing, for it to be considered
+	// available. Defaults to 0 (pod will be considered available as soon as it
+	// is ready).
+	MinReadySeconds int32 `json:"minReadySeconds,omitempty"`
+}
+
 // DaemonSetSpec is the specification of a daemon set.
 type DaemonSetSpec struct {
 	// Selector is a label query over pods that are managed by the daemon set.
@@ -306,6 +348,9 @@ type DaemonSetSpec struct {
 	// More info: http://releases.k8s.io/HEAD/docs/user-guide/labels.md#label-selectors
 	Selector *LabelSelector `json:"selector,omitempty"`
 
+	// The update strategy to use to replace existing DaemonSet with a new one.
+	Strategy DaemonSetUpdateStrategy `json:"strategy,omitempty"`
+
 	// Template is the object that describes the pod that will be created.
 	// The DaemonSet will create exactly one copy of this pod on every node
 	// that matches the template's node selector (or on every node if no node