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scanstatus.go
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scanstatus.go
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// Copyright © 2023 Cisco Systems, Inc. and its affiliates.
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package models
import (
"fmt"
"time"
)
var scanStatusStateTransitions = map[ScanStatusState][]ScanStatusState{
ScanStatusStatePending: {
ScanStatusStateDiscovered,
ScanStatusStateAborted,
ScanStatusStateFailed,
ScanStatusStateDone,
},
ScanStatusStateDiscovered: {
ScanStatusStateInProgress,
ScanStatusStateAborted,
},
ScanStatusStateInProgress: {
ScanStatusStateAborted,
ScanStatusStateFailed,
ScanStatusStateDone,
},
ScanStatusStateAborted: {
ScanStatusStateFailed,
},
}
var scanStatusReasonMapping = map[ScanStatusState][]ScanStatusReason{
ScanStatusStatePending: {
ScanStatusReasonCreated,
},
ScanStatusStateDiscovered: {
ScanStatusReasonAssetsDiscovered,
},
ScanStatusStateInProgress: {
ScanStatusReasonAssetScansRunning,
},
ScanStatusStateAborted: {
ScanStatusReasonCancellation,
},
ScanStatusStateFailed: {
ScanStatusReasonCancellation,
ScanStatusReasonError,
ScanStatusReasonTimeout,
},
ScanStatusStateDone: {
ScanStatusReasonNothingToScan,
ScanStatusReasonSuccess,
},
}
func NewScanStatus(s ScanStatusState, r ScanStatusReason, m *string) *ScanStatus {
return &ScanStatus{
State: s,
Reason: r,
Message: m,
LastTransitionTime: time.Now(),
}
}
func (a *ScanStatus) Equals(b ScanStatus) bool {
if a.Message == nil && b.Message != nil {
return false
}
if b.Message == nil && a.Message != nil {
return false
}
if a.Message == nil && b.Message == nil {
return a.State == b.State && a.Reason == b.Reason
}
return a.State == b.State && a.Reason == b.Reason && *a.Message == *b.Message
}
func (a *ScanStatus) isValidStatusTransition(b ScanStatus) error {
transitions := scanStatusStateTransitions[a.State]
for _, transition := range transitions {
if transition == b.State {
return nil
}
}
return fmt.Errorf("invalid transition: from=%s to=%s", a.State, b.State)
}
func (a *ScanStatus) isValidReason() error {
reasons := scanStatusReasonMapping[a.State]
for _, reason := range reasons {
if reason == a.Reason {
return nil
}
}
return fmt.Errorf("invalid reason for state: state=%s reason=%s", a.State, a.Reason)
}
func (a *ScanStatus) IsValidTransition(b ScanStatus) error {
if a.Equals(b) {
return nil
}
if err := b.isValidReason(); err != nil {
return err
}
if err := a.isValidStatusTransition(b); err != nil {
return err
}
return nil
}