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-rw-r--r--libpod/state.go17
1 files changed, 17 insertions, 0 deletions
diff --git a/libpod/state.go b/libpod/state.go
index 273e81318..7f4efa21b 100644
--- a/libpod/state.go
+++ b/libpod/state.go
@@ -1,5 +1,15 @@
package libpod
+// DBConfig is a set of Libpod runtime configuration settings that are saved
+// in a State when it is first created, and can subsequently be retrieved.
+type DBConfig struct {
+ LibpodRoot string
+ LibpodTmp string
+ StorageRoot string
+ StorageTmp string
+ GraphDriver string
+}
+
// State is a storage backend for libpod's current state.
// A State is only initialized once per instance of libpod.
// As such, initialization methods for State implementations may safely assume
@@ -21,6 +31,13 @@ type State interface {
// Refresh clears container and pod states after a reboot
Refresh() error
+ // GetDBConfig retrieves several paths configured within the database
+ // when it was created - namely, Libpod root and tmp dirs, c/storage
+ // root and tmp dirs, and c/storage graph driver.
+ // This is not implemented by the in-memory state, as it has no need to
+ // validate runtime configuration.
+ GetDBConfig() (*DBConfig, error)
+
// SetNamespace() sets the namespace for the store, and will determine
// what containers are retrieved with container and pod retrieval calls.
// A namespace of "", the empty string, acts as no namespace, and