Merge pull request #1918 from mheon/use_db_paths

Use paths written in DB instead if they differ from our defaults

11 files changed, 300 insertions, 113 deletions

diff --git a/cmd/podman/create.go b/cmd/podman/create.go
index c40650f83..228438d75 100644
--- a/cmd/podman/create.go
+++ b/cmd/podman/create.go
@@ -67,7 +67,7 @@ func createCmd(c *cli.Context) error {
 		rootless.SetSkipStorageSetup(true)
 	}
 
-	runtime, err := libpodruntime.GetContainerRuntime(c)
+	runtime, err := libpodruntime.GetRuntime(c)
 	if err != nil {
 		return errors.Wrapf(err, "error creating libpod runtime")
 	}
diff --git a/cmd/podman/libpodruntime/runtime.go b/cmd/podman/libpodruntime/runtime.go
index f69eaf3a4..0dc6bcf18 100644
--- a/cmd/podman/libpodruntime/runtime.go
+++ b/cmd/podman/libpodruntime/runtime.go
@@ -11,32 +11,18 @@ import (
 
 // GetRuntime generates a new libpod runtime configured by command line options
 func GetRuntime(c *cli.Context) (*libpod.Runtime, error) {
-	storageOpts, err := util.GetDefaultStoreOptions()
-	if err != nil {
-		return nil, err
-	}
-	return GetRuntimeWithStorageOpts(c, &storageOpts)
-}
-
-// GetContainerRuntime generates a new libpod runtime configured by command line options for containers
-func GetContainerRuntime(c *cli.Context) (*libpod.Runtime, error) {
-	mappings, err := util.ParseIDMapping(c.StringSlice("uidmap"), c.StringSlice("gidmap"), c.String("subuidmap"), c.String("subgidmap"))
-	if err != nil {
-		return nil, err
-	}
-	storageOpts, err := util.GetDefaultStoreOptions()
-	if err != nil {
-		return nil, err
-	}
-	storageOpts.UIDMap = mappings.UIDMap
-	storageOpts.GIDMap = mappings.GIDMap
-	return GetRuntimeWithStorageOpts(c, &storageOpts)
-}
-
-// GetRuntime generates a new libpod runtime configured by command line options
-func GetRuntimeWithStorageOpts(c *cli.Context, storageOpts *storage.StoreOptions) (*libpod.Runtime, error) {
+	storageOpts := new(storage.StoreOptions)
 	options := []libpod.RuntimeOption{}
 
+	if c.IsSet("uidmap") || c.IsSet("gidmap") || c.IsSet("subuidmap") || c.IsSet("subgidmap") {
+		mappings, err := util.ParseIDMapping(c.StringSlice("uidmap"), c.StringSlice("gidmap"), c.String("subuidmap"), c.String("subgidmap"))
+		if err != nil {
+			return nil, err
+		}
+		storageOpts.UIDMap = mappings.UIDMap
+		storageOpts.GIDMap = mappings.GIDMap
+	}
+
 	if c.GlobalIsSet("root") {
 		storageOpts.GraphRoot = c.GlobalString("root")
 	}
diff --git a/cmd/podman/run.go b/cmd/podman/run.go
index af6ced45d..a4b5c918e 100644
--- a/cmd/podman/run.go
+++ b/cmd/podman/run.go
@@ -44,7 +44,7 @@ func runCmd(c *cli.Context) error {
 		rootless.SetSkipStorageSetup(true)
 	}
 
-	runtime, err := libpodruntime.GetContainerRuntime(c)
+	runtime, err := libpodruntime.GetRuntime(c)
 	if err != nil {
 		return errors.Wrapf(err, "error creating libpod runtime")
 	}
diff --git a/libpod/boltdb_state.go b/libpod/boltdb_state.go
index 42f029379..cb661d4e9 100644
--- a/libpod/boltdb_state.go
+++ b/libpod/boltdb_state.go
@@ -3,7 +3,6 @@ package libpod
 import (
 	"bytes"
 	"encoding/json"
-	"os"
 	"strings"
 	"sync"
 
@@ -19,7 +18,6 @@ type BoltState struct {
 	dbLock         sync.Mutex
 	namespace      string
 	namespaceBytes []byte
-	lockDir        string
 	runtime        *Runtime
 }
 
@@ -52,25 +50,15 @@ type BoltState struct {
 //   containers/storage do not occur.
 
 // NewBoltState creates a new bolt-backed state database
-func NewBoltState(path, lockDir string, runtime *Runtime) (State, error) {
+func NewBoltState(path string, runtime *Runtime) (State, error) {
 	state := new(BoltState)
 	state.dbPath = path
-	state.lockDir = lockDir
 	state.runtime = runtime
 	state.namespace = ""
 	state.namespaceBytes = nil
 
 	logrus.Debugf("Initializing boltdb state at %s", path)
 
-	// Make the directory that will hold container lockfiles
-	if err := os.MkdirAll(lockDir, 0750); err != nil {
-		// The directory is allowed to exist
-		if !os.IsExist(err) {
-			return nil, errors.Wrapf(err, "error creating lockfiles dir %s", lockDir)
-		}
-	}
-	state.lockDir = lockDir
-
 	db, err := bolt.Open(path, 0600, nil)
 	if err != nil {
 		return nil, errors.Wrapf(err, "error opening database %s", path)
@@ -115,11 +103,6 @@ func NewBoltState(path, lockDir string, runtime *Runtime) (State, error) {
 		return nil, errors.Wrapf(err, "error creating initial database layout")
 	}
 
-	// Check runtime configuration
-	if err := checkRuntimeConfig(db, runtime); err != nil {
-		return nil, err
-	}
-
 	state.valid = true
 
 	return state, nil
@@ -240,6 +223,72 @@ func (s *BoltState) Refresh() error {
 	return err
 }
 
+// GetDBConfig retrieves runtime configuration fields that were created when
+// the database was first initialized
+func (s *BoltState) GetDBConfig() (*DBConfig, error) {
+	if !s.valid {
+		return nil, ErrDBClosed
+	}
+
+	cfg := new(DBConfig)
+
+	db, err := s.getDBCon()
+	if err != nil {
+		return nil, err
+	}
+	defer s.closeDBCon(db)
+
+	err = db.View(func(tx *bolt.Tx) error {
+		configBucket, err := getRuntimeConfigBucket(tx)
+		if err != nil {
+			return nil
+		}
+
+		// Some of these may be nil
+		// When we convert to string, Go will coerce them to ""
+		// That's probably fine - we could raise an error if the key is
+		// missing, but just not including it is also OK.
+		libpodRoot := configBucket.Get(staticDirKey)
+		libpodTmp := configBucket.Get(tmpDirKey)
+		storageRoot := configBucket.Get(graphRootKey)
+		storageTmp := configBucket.Get(runRootKey)
+		graphDriver := configBucket.Get(graphDriverKey)
+
+		cfg.LibpodRoot = string(libpodRoot)
+		cfg.LibpodTmp = string(libpodTmp)
+		cfg.StorageRoot = string(storageRoot)
+		cfg.StorageTmp = string(storageTmp)
+		cfg.GraphDriver = string(graphDriver)
+
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return cfg, nil
+}
+
+// ValidateDBConfig validates paths in the given runtime against the database
+func (s *BoltState) ValidateDBConfig(runtime *Runtime) error {
+	if !s.valid {
+		return ErrDBClosed
+	}
+
+	db, err := s.getDBCon()
+	if err != nil {
+		return err
+	}
+	defer s.closeDBCon(db)
+
+	// Check runtime configuration
+	if err := checkRuntimeConfig(db, runtime); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 // SetNamespace sets the namespace that will be used for container and pod
 // retrieval
 func (s *BoltState) SetNamespace(ns string) error {
diff --git a/libpod/boltdb_state_internal.go b/libpod/boltdb_state_internal.go
index cc7d106cc..3f00657ea 100644
--- a/libpod/boltdb_state_internal.go
+++ b/libpod/boltdb_state_internal.go
@@ -30,6 +30,13 @@ const (
 	containersName   = "containers"
 	podIDName        = "pod-id"
 	namespaceName    = "namespace"
+
+	staticDirName   = "static-dir"
+	tmpDirName      = "tmp-dir"
+	runRootName     = "run-root"
+	graphRootName   = "graph-root"
+	graphDriverName = "graph-driver-name"
+	osName          = "os"
 )
 
 var (
@@ -49,21 +56,19 @@ var (
 	containersBkt   = []byte(containersName)
 	podIDKey        = []byte(podIDName)
 	namespaceKey    = []byte(namespaceName)
+
+	staticDirKey   = []byte(staticDirName)
+	tmpDirKey      = []byte(tmpDirName)
+	runRootKey     = []byte(runRootName)
+	graphRootKey   = []byte(graphRootName)
+	graphDriverKey = []byte(graphDriverName)
+	osKey          = []byte(osName)
 )
 
 // Check if the configuration of the database is compatible with the
 // configuration of the runtime opening it
 // If there is no runtime configuration loaded, load our own
 func checkRuntimeConfig(db *bolt.DB, rt *Runtime) error {
-	var (
-		staticDir       = []byte("static-dir")
-		tmpDir          = []byte("tmp-dir")
-		runRoot         = []byte("run-root")
-		graphRoot       = []byte("graph-root")
-		graphDriverName = []byte("graph-driver-name")
-		osKey           = []byte("os")
-	)
-
 	err := db.Update(func(tx *bolt.Tx) error {
 		configBkt, err := getRuntimeConfigBucket(tx)
 		if err != nil {
@@ -74,31 +79,31 @@ func checkRuntimeConfig(db *bolt.DB, rt *Runtime) error {
 			return err
 		}
 
-		if err := validateDBAgainstConfig(configBkt, "static dir",
-			rt.config.StaticDir, staticDir, ""); err != nil {
+		if err := validateDBAgainstConfig(configBkt, "libpod root directory (staticdir)",
+			rt.config.StaticDir, staticDirKey, ""); err != nil {
 			return err
 		}
 
-		if err := validateDBAgainstConfig(configBkt, "tmp dir",
-			rt.config.TmpDir, tmpDir, ""); err != nil {
+		if err := validateDBAgainstConfig(configBkt, "libpod temporary files directory (tmpdir)",
+			rt.config.TmpDir, tmpDirKey, ""); err != nil {
 			return err
 		}
 
-		if err := validateDBAgainstConfig(configBkt, "run root",
-			rt.config.StorageConfig.RunRoot, runRoot,
+		if err := validateDBAgainstConfig(configBkt, "storage temporary directory (runroot)",
+			rt.config.StorageConfig.RunRoot, runRootKey,
 			storage.DefaultStoreOptions.RunRoot); err != nil {
 			return err
 		}
 
-		if err := validateDBAgainstConfig(configBkt, "graph root",
-			rt.config.StorageConfig.GraphRoot, graphRoot,
+		if err := validateDBAgainstConfig(configBkt, "storage graph root directory (graphroot)",
+			rt.config.StorageConfig.GraphRoot, graphRootKey,
 			storage.DefaultStoreOptions.GraphRoot); err != nil {
 			return err
 		}
 
-		return validateDBAgainstConfig(configBkt, "graph driver name",
+		return validateDBAgainstConfig(configBkt, "storage graph driver",
 			rt.config.StorageConfig.GraphDriverName,
-			graphDriverName,
+			graphDriverKey,
 			storage.DefaultStoreOptions.GraphDriverName)
 	})
 
@@ -261,7 +266,7 @@ func (s *BoltState) getContainerFromDB(id []byte, ctr *Container, ctrsBkt *bolt.
 	}
 
 	// Get the lock
-	lockPath := filepath.Join(s.lockDir, string(id))
+	lockPath := filepath.Join(s.runtime.lockDir, string(id))
 	lock, err := storage.GetLockfile(lockPath)
 	if err != nil {
 		return errors.Wrapf(err, "error retrieving lockfile for container %s", string(id))
@@ -297,7 +302,7 @@ func (s *BoltState) getPodFromDB(id []byte, pod *Pod, podBkt *bolt.Bucket) error
 	}
 
 	// Get the lock
-	lockPath := filepath.Join(s.lockDir, string(id))
+	lockPath := filepath.Join(s.runtime.lockDir, string(id))
 	lock, err := storage.GetLockfile(lockPath)
 	if err != nil {
 		return errors.Wrapf(err, "error retrieving lockfile for pod %s", string(id))
diff --git a/libpod/in_memory_state.go b/libpod/in_memory_state.go
index 78e765ccd..77eba0cc6 100644
--- a/libpod/in_memory_state.go
+++ b/libpod/in_memory_state.go
@@ -73,6 +73,18 @@ func (s *InMemoryState) Refresh() error {
 	return nil
 }
 
+// GetDBConfig is not implemented for in-memory state.
+// As we do not store a config, return an empty one.
+func (s *InMemoryState) GetDBConfig() (*DBConfig, error) {
+	return &DBConfig{}, nil
+}
+
+// ValidateDBConfig is not implemented for the in-memory state.
+// Since we do nothing just return no error.
+func (s *InMemoryState) ValidateDBConfig(runtime *Runtime) error {
+	return nil
+}
+
 // SetNamespace sets the namespace for container and pod retrieval.
 func (s *InMemoryState) SetNamespace(ns string) error {
 	s.namespace = ns
diff --git a/libpod/options.go b/libpod/options.go
index e1d0b5007..3e43d73f0 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -29,19 +29,40 @@ func WithStorageConfig(config storage.StoreOptions) RuntimeOption {
 			return ErrRuntimeFinalized
 		}
 
-		rt.config.StorageConfig.RunRoot = config.RunRoot
-		rt.config.StorageConfig.GraphRoot = config.GraphRoot
-		rt.config.StorageConfig.GraphDriverName = config.GraphDriverName
-		rt.config.StaticDir = filepath.Join(config.GraphRoot, "libpod")
+		if config.RunRoot != "" {
+			rt.config.StorageConfig.RunRoot = config.RunRoot
+			rt.configuredFrom.storageRunRootSet = true
+		}
 
-		rt.config.StorageConfig.GraphDriverOptions = make([]string, len(config.GraphDriverOptions))
-		copy(rt.config.StorageConfig.GraphDriverOptions, config.GraphDriverOptions)
+		if config.GraphRoot != "" {
+			rt.config.StorageConfig.GraphRoot = config.GraphRoot
+			rt.configuredFrom.storageGraphRootSet = true
 
-		rt.config.StorageConfig.UIDMap = make([]idtools.IDMap, len(config.UIDMap))
-		copy(rt.config.StorageConfig.UIDMap, config.UIDMap)
+			// Also set libpod static dir, so we are a subdirectory
+			// of the c/storage store by default
+			rt.config.StaticDir = filepath.Join(config.GraphRoot, "libpod")
+			rt.configuredFrom.libpodStaticDirSet = true
+		}
 
-		rt.config.StorageConfig.GIDMap = make([]idtools.IDMap, len(config.GIDMap))
-		copy(rt.config.StorageConfig.GIDMap, config.GIDMap)
+		if config.GraphDriverName != "" {
+			rt.config.StorageConfig.GraphDriverName = config.GraphDriverName
+			rt.configuredFrom.storageGraphDriverSet = true
+		}
+
+		if config.GraphDriverOptions != nil {
+			rt.config.StorageConfig.GraphDriverOptions = make([]string, len(config.GraphDriverOptions))
+			copy(rt.config.StorageConfig.GraphDriverOptions, config.GraphDriverOptions)
+		}
+
+		if config.UIDMap != nil {
+			rt.config.StorageConfig.UIDMap = make([]idtools.IDMap, len(config.UIDMap))
+			copy(rt.config.StorageConfig.UIDMap, config.UIDMap)
+		}
+
+		if config.GIDMap != nil {
+			rt.config.StorageConfig.GIDMap = make([]idtools.IDMap, len(config.GIDMap))
+			copy(rt.config.StorageConfig.GIDMap, config.GIDMap)
+		}
 
 		return nil
 	}
@@ -174,6 +195,7 @@ func WithStaticDir(dir string) RuntimeOption {
 		}
 
 		rt.config.StaticDir = dir
+		rt.configuredFrom.libpodStaticDirSet = true
 
 		return nil
 	}
@@ -225,6 +247,7 @@ func WithTmpDir(dir string) RuntimeOption {
 		}
 
 		rt.config.TmpDir = dir
+		rt.configuredFrom.libpodTmpDirSet = true
 
 		return nil
 	}
diff --git a/libpod/runtime.go b/libpod/runtime.go
index 55a300bb0..6b6a8cc2d 100644
--- a/libpod/runtime.go
+++ b/libpod/runtime.go
@@ -83,6 +83,7 @@ type Runtime struct {
 	lock            sync.RWMutex
 	imageRuntime    *image.Runtime
 	firewallBackend firewall.FirewallBackend
+	configuredFrom  *runtimeConfiguredFrom
 }
 
 // RuntimeConfig contains configuration options used to set up the runtime
@@ -174,6 +175,20 @@ type RuntimeConfig struct {
 	EnableLabeling bool `toml:"label"`
 }
 
+// runtimeConfiguredFrom is a struct used during early runtime init to help
+// assemble the full RuntimeConfig struct from defaults.
+// It indicated whether several fields in the runtime configuration were set
+// explicitly.
+// If they were not, we may override them with information from the database,
+// if it exists and differs from what is present in the system already.
+type runtimeConfiguredFrom struct {
+	storageGraphDriverSet bool
+	storageGraphRootSet   bool
+	storageRunRootSet     bool
+	libpodStaticDirSet    bool
+	libpodTmpDirSet       bool
+}
+
 var (
 	defaultRuntimeConfig = RuntimeConfig{
 		// Leave this empty so containers/storage will use its defaults
@@ -251,6 +266,7 @@ func SetXdgRuntimeDir(val string) error {
 func NewRuntime(options ...RuntimeOption) (runtime *Runtime, err error) {
 	runtime = new(Runtime)
 	runtime.config = new(RuntimeConfig)
+	runtime.configuredFrom = new(runtimeConfiguredFrom)
 
 	// Copy the default configuration
 	tmpDir, err := getDefaultTmpDir()
@@ -260,6 +276,16 @@ func NewRuntime(options ...RuntimeOption) (runtime *Runtime, err error) {
 	deepcopier.Copy(defaultRuntimeConfig).To(runtime.config)
 	runtime.config.TmpDir = tmpDir
 
+	if rootless.IsRootless() {
+		// If we're rootless, override the default storage config
+		storageConf, err := util.GetDefaultStoreOptions()
+		if err != nil {
+			return nil, errors.Wrapf(err, "error retrieving rootless storage config")
+		}
+		runtime.config.StorageConfig = storageConf
+		runtime.config.StaticDir = filepath.Join(storageConf.GraphRoot, "libpod")
+	}
+
 	configPath := ConfigPath
 	foundConfig := true
 	rootlessConfigPath := ""
@@ -305,6 +331,25 @@ func NewRuntime(options ...RuntimeOption) (runtime *Runtime, err error) {
 		if err != nil {
 			return nil, errors.Wrapf(err, "error reading configuration file %s", configPath)
 		}
+
+		// This is ugly, but we need to decode twice.
+		// Once to check if libpod static and tmp dirs were explicitly
+		// set (not enough to check if they're not the default value,
+		// might have been explicitly configured to the default).
+		// A second time to actually get a usable config.
+		tmpConfig := new(RuntimeConfig)
+		if _, err := toml.Decode(string(contents), tmpConfig); err != nil {
+			return nil, errors.Wrapf(err, "error decoding configuration file %s",
+				configPath)
+		}
+
+		if tmpConfig.StaticDir != "" {
+			runtime.configuredFrom.libpodStaticDirSet = true
+		}
+		if tmpConfig.TmpDir != "" {
+			runtime.configuredFrom.libpodTmpDirSet = true
+		}
+
 		if _, err := toml.Decode(string(contents), runtime.config); err != nil {
 			return nil, errors.Wrapf(err, "error decoding configuration file %s", configPath)
 		}
@@ -346,6 +391,7 @@ func NewRuntime(options ...RuntimeOption) (runtime *Runtime, err error) {
 func NewRuntimeFromConfig(configPath string, options ...RuntimeOption) (runtime *Runtime, err error) {
 	runtime = new(Runtime)
 	runtime.config = new(RuntimeConfig)
+	runtime.configuredFrom = new(runtimeConfiguredFrom)
 
 	// Set two fields not in the TOML config
 	runtime.config.StateType = defaultRuntimeConfig.StateType
@@ -424,6 +470,77 @@ func makeRuntime(runtime *Runtime) (err error) {
 			runtime.config.ConmonPath)
 	}
 
+	// Make the static files directory if it does not exist
+	if err := os.MkdirAll(runtime.config.StaticDir, 0700); err != nil {
+		// The directory is allowed to exist
+		if !os.IsExist(err) {
+			return errors.Wrapf(err, "error creating runtime static files directory %s",
+				runtime.config.StaticDir)
+		}
+	}
+
+	// Set up the state
+	switch runtime.config.StateType {
+	case InMemoryStateStore:
+		state, err := NewInMemoryState()
+		if err != nil {
+			return err
+		}
+		runtime.state = state
+	case SQLiteStateStore:
+		return errors.Wrapf(ErrInvalidArg, "SQLite state is currently disabled")
+	case BoltDBStateStore:
+		dbPath := filepath.Join(runtime.config.StaticDir, "bolt_state.db")
+
+		state, err := NewBoltState(dbPath, runtime)
+		if err != nil {
+			return err
+		}
+		runtime.state = state
+	default:
+		return errors.Wrapf(ErrInvalidArg, "unrecognized state type passed")
+	}
+
+	// Grab config from the database so we can reset some defaults
+	dbConfig, err := runtime.state.GetDBConfig()
+	if err != nil {
+		return errors.Wrapf(err, "error retrieving runtime configuration from database")
+	}
+
+	// Reset defaults if they were not explicitly set
+	if !runtime.configuredFrom.storageGraphDriverSet && dbConfig.GraphDriver != "" {
+		runtime.config.StorageConfig.GraphDriverName = dbConfig.GraphDriver
+	}
+	if !runtime.configuredFrom.storageGraphRootSet && dbConfig.StorageRoot != "" {
+		runtime.config.StorageConfig.GraphRoot = dbConfig.StorageRoot
+	}
+	if !runtime.configuredFrom.storageRunRootSet && dbConfig.StorageTmp != "" {
+		runtime.config.StorageConfig.RunRoot = dbConfig.StorageTmp
+	}
+	if !runtime.configuredFrom.libpodStaticDirSet && dbConfig.LibpodRoot != "" {
+		runtime.config.StaticDir = dbConfig.LibpodRoot
+	}
+	if !runtime.configuredFrom.libpodTmpDirSet && dbConfig.LibpodTmp != "" {
+		runtime.config.TmpDir = dbConfig.LibpodTmp
+	}
+
+	logrus.Debugf("Using graph driver %s", runtime.config.StorageConfig.GraphDriverName)
+	logrus.Debugf("Using graph root %s", runtime.config.StorageConfig.GraphRoot)
+	logrus.Debugf("Using run root %s", runtime.config.StorageConfig.RunRoot)
+	logrus.Debugf("Using static dir %s", runtime.config.StaticDir)
+	logrus.Debugf("Using tmp dir %s", runtime.config.TmpDir)
+
+	// Validate our config against the database, now that we've set our
+	// final storage configuration
+	if err := runtime.state.ValidateDBConfig(runtime); err != nil {
+		return err
+	}
+
+	if err := runtime.state.SetNamespace(runtime.config.Namespace); err != nil {
+		return errors.Wrapf(err, "error setting libpod namespace in state")
+	}
+	logrus.Debugf("Set libpod namespace to %q", runtime.config.Namespace)
+
 	// Set up containers/storage
 	var store storage.Store
 	if rootless.SkipStorageSetup() {
@@ -491,15 +608,6 @@ func makeRuntime(runtime *Runtime) (err error) {
 	}
 	runtime.ociRuntime = ociRuntime
 
-	// Make the static files directory if it does not exist
-	if err := os.MkdirAll(runtime.config.StaticDir, 0755); err != nil {
-		// The directory is allowed to exist
-		if !os.IsExist(err) {
-			return errors.Wrapf(err, "error creating runtime static files directory %s",
-				runtime.config.StaticDir)
-		}
-	}
-
 	// Make a directory to hold container lockfiles
 	lockDir := filepath.Join(runtime.config.TmpDir, "lock")
 	if err := os.MkdirAll(lockDir, 0755); err != nil {
@@ -540,33 +648,6 @@ func makeRuntime(runtime *Runtime) (err error) {
 	}
 	runtime.firewallBackend = fwBackend
 
-	// Set up the state
-	switch runtime.config.StateType {
-	case InMemoryStateStore:
-		state, err := NewInMemoryState()
-		if err != nil {
-			return err
-		}
-		runtime.state = state
-	case SQLiteStateStore:
-		return errors.Wrapf(ErrInvalidArg, "SQLite state is currently disabled")
-	case BoltDBStateStore:
-		dbPath := filepath.Join(runtime.config.StaticDir, "bolt_state.db")
-
-		state, err := NewBoltState(dbPath, runtime.lockDir, runtime)
-		if err != nil {
-			return err
-		}
-		runtime.state = state
-	default:
-		return errors.Wrapf(ErrInvalidArg, "unrecognized state type passed")
-	}
-
-	if err := runtime.state.SetNamespace(runtime.config.Namespace); err != nil {
-		return errors.Wrapf(err, "error setting libpod namespace in state")
-	}
-	logrus.Debugf("Set libpod namespace to %q", runtime.config.Namespace)
-
 	// We now need to see if the system has restarted
 	// We check for the presence of a file in our tmp directory to verify this
 	// This check must be locked to prevent races
diff --git a/libpod/state.go b/libpod/state.go
index 273e81318..06c2003d8 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 +31,22 @@ 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)
+
+	// ValidateDBConfig validates the config in the given Runtime struct
+	// against paths stored in the configured database.
+	// Libpod root and tmp dirs and c/storage root and tmp dirs and graph
+	// driver are validated.
+	// This is not implemented by the in-memory state, as it has no need to
+	// validate runtime configuration that may change over multiple runs of
+	// the program.
+	ValidateDBConfig(runtime *Runtime) 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
diff --git a/libpod/state_test.go b/libpod/state_test.go
index 04572fb29..d93a371f3 100644
--- a/libpod/state_test.go
+++ b/libpod/state_test.go
@@ -45,11 +45,16 @@ func getEmptyBoltState() (s State, p string, p2 string, err error) {
 	dbPath := filepath.Join(tmpDir, "db.sql")
 	lockDir := filepath.Join(tmpDir, "locks")
 
+	if err := os.Mkdir(lockDir, 0755); err != nil {
+		return nil, "", "", err
+	}
+
 	runtime := new(Runtime)
 	runtime.config = new(RuntimeConfig)
 	runtime.config.StorageConfig = storage.StoreOptions{}
+	runtime.lockDir = lockDir
 
-	state, err := NewBoltState(dbPath, lockDir, runtime)
+	state, err := NewBoltState(dbPath, runtime)
 	if err != nil {
 		return nil, "", "", err
 	}
diff --git a/pkg/util/utils.go b/pkg/util/utils.go
index de29bc5d8..e483253a4 100644
--- a/pkg/util/utils.go
+++ b/pkg/util/utils.go
@@ -313,7 +313,7 @@ func getTomlStorage(storeOptions *storage.StoreOptions) *tomlConfig {
 	return config
 }
 
-// GetDefaultStoreOptions returns the storage ops for containers
+// GetDefaultStoreOptions returns the default storage options for containers.
 func GetDefaultStoreOptions() (storage.StoreOptions, error) {
 	storageOpts := storage.DefaultStoreOptions
 	if rootless.IsRootless() {