terraform/configs/configload/module_mgr.go

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package configload
import (
"github.com/hashicorp/terraform/registry"
"github.com/hashicorp/terraform/svchost/auth"
"github.com/hashicorp/terraform/svchost/disco"
"github.com/spf13/afero"
)
type moduleMgr struct {
FS afero.Afero
// CanInstall is true for a module manager that can support installation.
//
// This must be set only if FS is an afero.OsFs, because the installer
// (which uses go-getter) is not aware of the virtual filesystem
// abstraction and will always write into the "real" filesystem.
CanInstall bool
// Dir is the path where descendent modules are (or will be) installed.
Dir string
// Services is a service discovery client that will be used to find
// remote module registry endpoints. This object may be pre-loaded with
// cached discovery information.
Services *disco.Disco
// Creds provides optional credentials for communicating with service hosts.
Creds auth.CredentialsSource
// Registry is a client for the module registry protocol, which is used
// when a module is requested from a registry source.
Registry *registry.Client
// manifest tracks the currently-installed modules for this manager.
//
// The loader may read this. Only the installer may write to it, and
// after a set of updates are completed the installer must call
// writeModuleManifestSnapshot to persist a snapshot of the manifest
// to disk for use on subsequent runs.
manifest moduleManifest
}