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-rw-r--r--runsc/container/container.go30
1 files changed, 25 insertions, 5 deletions
diff --git a/runsc/container/container.go b/runsc/container/container.go
index 80a27df4a..07924d23a 100644
--- a/runsc/container/container.go
+++ b/runsc/container/container.go
@@ -626,20 +626,36 @@ func (c *Container) Processes() ([]*control.Process, error) {
}
// Destroy stops all processes and frees all resources associated with the
-// container. It fails fast and is idempotent.
+// container.
func (c *Container) Destroy() error {
log.Debugf("Destroy container %q", c.ID)
+ // We must perform the following cleanup steps:
+ // * stop the container and gofer processes,
+ // * remove the container filesystem on the host, and
+ // * delete the container metadata directory.
+ //
+ // It's possible for one or more of these steps to fail, but we should
+ // do our best to perform all of the cleanups. Hence, we keep a slice
+ // of errors return their concatenation.
+ var errs []string
+
if err := c.stop(); err != nil {
- return fmt.Errorf("error stopping container: %v", err)
+ err = fmt.Errorf("error stopping container: %v", err)
+ log.Warningf("%v", err)
+ errs = append(errs, err.Error())
}
if err := destroyFS(c.Spec); err != nil {
- return fmt.Errorf("error destroying container fs: %v", err)
+ err = fmt.Errorf("error destroying container fs: %v", err)
+ log.Warningf("%v", err)
+ errs = append(errs, err.Error())
}
if err := os.RemoveAll(c.Root); err != nil && !os.IsNotExist(err) {
- return fmt.Errorf("error deleting container root directory %q: %v", c.Root, err)
+ err = fmt.Errorf("error deleting container root directory %q: %v", c.Root, err)
+ log.Warningf("%v", err)
+ errs = append(errs, err.Error())
}
// "If any poststop hook fails, the runtime MUST log a warning, but the
@@ -655,7 +671,11 @@ func (c *Container) Destroy() error {
}
c.changeStatus(Stopped)
- return nil
+
+ if len(errs) == 0 {
+ return nil
+ }
+ return fmt.Errorf(strings.Join(errs, "\n"))
}
// save saves the container metadata to a file.