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//go:build linux
package linux
import (
"github.com/lxc/incus/v6/internal/util"
"github.com/lxc/incus/v6/shared/api"
)
// AvailableStorageDrivers returns a list of storage drivers that are available.
func AvailableStorageDrivers(path string, supportedDrivers []api.ServerStorageDriverInfo, poolType util.PoolType) []string {
backingFs, err := DetectFilesystem(path)
if err != nil {
backingFs = "dir"
}
drivers := make([]string, 0, len(supportedDrivers))
// Check available backends.
for _, driver := range supportedDrivers {
if poolType == util.PoolTypeRemote && !driver.Remote {
continue
}
if poolType == util.PoolTypeLocal && driver.Remote {
continue
}
if poolType == util.PoolTypeAny && (driver.Name == "cephfs" || driver.Name == "cephobject") {
continue
}
if driver.Name == "dir" {
drivers = append(drivers, driver.Name)
continue
}
// btrfs can work in user namespaces too. (If source=/some/path/on/btrfs is used.)
if RunningInUserNS() && (backingFs != "btrfs" || driver.Name != "btrfs") {
continue
}
drivers = append(drivers, driver.Name)
}
return drivers
}
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