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constants.go
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constants.go
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package nodes
import (
"encoding/json"
"fmt"
"strings"
)
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See NOTICE.txt in the project root for license information.
type NodeStatus string
const (
NodeStatusDown NodeStatus = "Down"
NodeStatusRebooting NodeStatus = "Rebooting"
NodeStatusShuttingDown NodeStatus = "ShuttingDown"
NodeStatusUnknown NodeStatus = "Unknown"
NodeStatusUp NodeStatus = "Up"
)
func PossibleValuesForNodeStatus() []string {
return []string{
string(NodeStatusDown),
string(NodeStatusRebooting),
string(NodeStatusShuttingDown),
string(NodeStatusUnknown),
string(NodeStatusUp),
}
}
func (s *NodeStatus) UnmarshalJSON(bytes []byte) error {
var decoded string
if err := json.Unmarshal(bytes, &decoded); err != nil {
return fmt.Errorf("unmarshaling: %+v", err)
}
out, err := parseNodeStatus(decoded)
if err != nil {
return fmt.Errorf("parsing %q: %+v", decoded, err)
}
*s = *out
return nil
}
func parseNodeStatus(input string) (*NodeStatus, error) {
vals := map[string]NodeStatus{
"down": NodeStatusDown,
"rebooting": NodeStatusRebooting,
"shuttingdown": NodeStatusShuttingDown,
"unknown": NodeStatusUnknown,
"up": NodeStatusUp,
}
if v, ok := vals[strings.ToLower(input)]; ok {
return &v, nil
}
// otherwise presume it's an undefined value and best-effort it
out := NodeStatus(input)
return &out, nil
}