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-rw-r--r--libpod/options.go22
1 files changed, 22 insertions, 0 deletions
diff --git a/libpod/options.go b/libpod/options.go
index ee44439ac..ddc5993af 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -463,6 +463,28 @@ func WithMigrate() RuntimeOption {
}
}
+// WithMigrateRuntime instructs Libpod to change the default OCI runtime on all
+// containers during a migration. This is not used if `MigrateRuntime()` is not
+// also passed.
+// Libpod makes no promises that your containers continue to work with the new
+// runtime - migrations between dissimilar runtimes may well break things.
+// Use with caution.
+func WithMigrateRuntime(requestedRuntime string) RuntimeOption {
+ return func(rt *Runtime) error {
+ if rt.valid {
+ return define.ErrRuntimeFinalized
+ }
+
+ if requestedRuntime == "" {
+ return errors.Wrapf(define.ErrInvalidArg, "must provide a non-empty name for new runtime")
+ }
+
+ rt.migrateRuntime = requestedRuntime
+
+ return nil
+ }
+}
+
// WithEventsLogger sets the events backend to use.
// Currently supported values are "file" for file backend and "journald" for
// journald backend.