constellation/internal/gcpshared/metadata.go

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/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package gcpshared
import (
"fmt"
"regexp"
)
var providerIDRegex = regexp.MustCompile(`^gce://([^/]+)/([^/]+)/([^/]+)$`)
// SplitProviderID splits a provider's id into core components.
// A providerID is build after the schema 'gce://<project-id>/<zone>/<instance-name>'
func SplitProviderID(providerID string) (project, zone, instance string, err error) {
matches := providerIDRegex.FindStringSubmatch(providerID)
if len(matches) != 4 {
return "", "", "", fmt.Errorf("error splitting providerID: %v", providerID)
}
return matches[1], matches[2], matches[3], nil
}
// JoinProviderID builds a k8s provider ID for GCP instances.
// A providerID is build after the schema 'gce://<project-id>/<zone>/<instance-name>'
func JoinProviderID(project, zone, instanceName string) string {
return fmt.Sprintf("gce://%v/%v/%v", project, zone, instanceName)
}