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ipaddress.go
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/
ipaddress.go
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package resolver
import (
"context"
internal "github.com/UpCloudLtd/upcloud-cli/v3/internal/service"
)
// CachingIPAddress implements resolver for ip addresses that resolve with ptr records, caching the results
type CachingIPAddress struct{}
// make sure we implement the ResolutionProvider interface
var _ ResolutionProvider = CachingIPAddress{}
// Get implements ResolutionProvider.Get
func (s CachingIPAddress) Get(ctx context.Context, svc internal.AllServices) (Resolver, error) {
ipaddresses, err := svc.GetIPAddresses(ctx)
if err != nil {
return nil, err
}
return func(arg string) (uuid string, err error) {
rv := ""
for _, ipAddress := range ipaddresses.IPAddresses {
if ipAddress.PTRRecord == arg || ipAddress.Address == arg {
if rv != "" {
return "", AmbiguousResolutionError(arg)
}
rv = ipAddress.Address
}
}
if rv != "" {
return rv, nil
}
return "", NotFoundError(arg)
}, nil
}
// PositionalArgumentHelp implements resolver.ResolutionProvider
func (s CachingIPAddress) PositionalArgumentHelp() string {
return "<Address/PTRRecord...>"
}