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[release/0.12] Adding state attribute to the HNSEndpoint struct to support hyperv co… #2183

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Jun 24, 2024
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[release/0.12] Adding state attribute to the HNSEndpoint struct to support hyperv co… #2183

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23 changes: 23 additions & 0 deletions internal/hns/hnsendpoint.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,28 @@ import (
"github.com/sirupsen/logrus"
)

// EndpointState represents the states of an HNS Endpoint lifecycle.
type EndpointState uint16

// EndpointState const
// The lifecycle of an Endpoint goes through created, attached, AttachedSharing - endpoint is being shared with other containers,
// detached, after being attached, degraded and finally destroyed.
// Note: This attribute is used by calico to define stale containers and is dependent on HNS v1 api, if we move to HNS v2 api we will need
// to update the current calico code and cordinate the change with calico. Reach out to Microsoft to facilate the change via HNS.
const (
Uninitialized EndpointState = iota
Created EndpointState = 1
Attached EndpointState = 2
AttachedSharing EndpointState = 3
Detached EndpointState = 4
Degraded EndpointState = 5
Destroyed EndpointState = 6
)

func (es EndpointState) String() string {
return [...]string{"Uninitialized", "Attached", "AttachedSharing", "Detached", "Degraded", "Destroyed"}[es]
}

// HNSEndpoint represents a network endpoint in HNS
type HNSEndpoint struct {
Id string `json:"ID,omitempty"`
Expand All @@ -34,6 +56,7 @@ type HNSEndpoint struct {
Namespace *Namespace `json:",omitempty"`
EncapOverhead uint16 `json:",omitempty"`
SharedContainers []string `json:",omitempty"`
State EndpointState `json:",omitempty"`
}

// SystemType represents the type of the system on which actions are done
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