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https://github.com/crowdsecurity/crowdsec.git
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082c1dde71
* deep-exit: bubble up error from item_metrics.go * deep-exit: bubble up error from password.go
52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package idgen
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import (
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"fmt"
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"strings"
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"github.com/google/uuid"
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log "github.com/sirupsen/logrus"
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"github.com/crowdsecurity/machineid"
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)
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// Returns a unique identifier for each crowdsec installation, using an
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// identifier of the OS installation where available, otherwise a random
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// string.
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func generateMachineIDPrefix() (string, error) {
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prefix, err := machineid.ID()
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if err == nil {
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return prefix, nil
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}
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log.Debugf("failed to get machine-id with usual files: %s", err)
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bID, err := uuid.NewRandom()
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if err == nil {
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return bID.String(), nil
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}
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return "", fmt.Errorf("generating machine id: %w", err)
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}
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// Generate a unique identifier, composed by a prefix and a random suffix.
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// The prefix can be provided by a parameter to use in test environments.
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func GenerateMachineID(prefix string) (string, error) {
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var err error
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if prefix == "" {
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prefix, err = generateMachineIDPrefix()
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}
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if err != nil {
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return "", err
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}
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prefix = strings.ReplaceAll(prefix, "-", "")[:32]
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suffix, err := GeneratePassword(16)
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if err != nil {
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return "", err
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}
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return prefix + suffix, nil
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}
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