CreateIfNotExist create dir if not exist.

GetCapabilityDir return capability dirs including workloads and traits.

GetCapCenterDir return cap center dir.

GetCurrentEnvPath return current env config.

GetDefaultFrontendDir return default vela frontend dir.

GetEnvDir return KubeVela environments dir.

GetRepoConfig return repo config.

GetVelaHomeDir return vela home dir.

InitCapabilityDir create dir if not exits.

InitCapCenterDir create dir if not exits.

InitDefaultEnv create dir if not exits.

InitDirs create dir if not exits.

EnvConfigName defines config.

StorageDriverEnv defines vela storage driver env.

VelaHomeEnv defines vela home system env.