constellation/internal/cloud/azureshared/metadata.go
Daniel Weiße c9873f2bfb
AB#2523 Refactor GCP metadata/cloud API (#387)
* Refactor GCP metadata/cloud API

* Remove cloud controller manager from metadata package

* Remove PublicIP

* Move shared cloud packages

* Remove dead code

Signed-off-by: Daniel Weiße <dw@edgeless.systems>
2022-11-09 14:43:48 +01:00

36 lines
1.5 KiB
Go

/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package azureshared
import (
"errors"
"fmt"
"regexp"
)
var azureVMSSProviderIDRegexp = regexp.MustCompile(`^azure:///subscriptions/([^/]+)/resourceGroups/([^/]+)/providers/Microsoft.Compute/virtualMachineScaleSets/([^/]+)/virtualMachines/([^/]+)$`)
// BasicsFromProviderID extracts subscriptionID and resourceGroup from both types of valid azure providerID.
func BasicsFromProviderID(providerID string) (subscriptionID, resourceGroup string, err error) {
subscriptionID, resourceGroup, _, _, err = ScaleSetInformationFromProviderID(providerID)
if err == nil {
return subscriptionID, resourceGroup, nil
}
return "", "", fmt.Errorf("providerID %v is malformatted", providerID)
}
// ScaleSetInformationFromProviderID splits a provider's id belonging to an azure scaleset into core components.
// A providerID for scale set VMs is build after the following schema:
// - 'azure:///subscriptions/<subscription-id>/resourceGroups/<resource-group>/providers/Microsoft.Compute/virtualMachineScaleSets/<scale-set-name>/virtualMachines/<instance-id>'
func ScaleSetInformationFromProviderID(providerID string) (subscriptionID, resourceGroup, scaleSet, instanceID string, err error) {
matches := azureVMSSProviderIDRegexp.FindStringSubmatch(providerID)
if len(matches) != 5 {
return "", "", "", "", errors.New("error splitting providerID")
}
return matches[1], matches[2], matches[3], matches[4], nil
}