Upgrade to 0.12

1 files changed, 76 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/terraform/configs/configload/module_mgr.go b/vendor/github.com/hashicorp/terraform/configs/configload/module_mgr.go
new file mode 100644
index 0000000..3c410ee
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/configs/configload/module_mgr.go
@@ -0,0 +1,76 @@
+package configload
+
+import (
+        "os"
+        "path/filepath"
+
+        "github.com/hashicorp/terraform/internal/modsdir"
+        "github.com/hashicorp/terraform/registry"
+        "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
+
+        // 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 modsdir.Manifest
+}
+
+func (m *moduleMgr) manifestSnapshotPath() string {
+        return filepath.Join(m.Dir, modsdir.ManifestSnapshotFilename)
+}
+
+// readModuleManifestSnapshot loads a manifest snapshot from the filesystem.
+func (m *moduleMgr) readModuleManifestSnapshot() error {
+        r, err := m.FS.Open(m.manifestSnapshotPath())
+        if err != nil {
+                if os.IsNotExist(err) {
+                        // We'll treat a missing file as an empty manifest
+                        m.manifest = make(modsdir.Manifest)
+                        return nil
+                }
+                return err
+        }
+
+        m.manifest, err = modsdir.ReadManifestSnapshot(r)
+        return err
+}
+
+// writeModuleManifestSnapshot writes a snapshot of the current manifest
+// to the filesystem.
+//
+// The caller must guarantee no concurrent modifications of the manifest for
+// the duration of a call to this function, or the behavior is undefined.
+func (m *moduleMgr) writeModuleManifestSnapshot() error {
+        w, err := m.FS.Create(m.manifestSnapshotPath())
+        if err != nil {
+                return err
+        }
+
+        return m.manifest.WriteSnapshot(w)
+}