support registry mirror config reload
@@ -1287,6 +1287,7 @@ The list of currently supported options that can be reconfigured is this:
be used to run containers
- `authorization-plugin`: specifies the authorization plugins to use.
- `insecure-registries`: it replaces the daemon insecure registries with a new set of insecure registries. If some existing insecure registries in daemon's configuration are not in newly reloaded insecure resgitries, these existing ones will be removed from daemon's config.
+- `registry-mirrors`: it replaces the daemon registry mirrors with a new set of registry mirrors. If some existing registry mirrors in daemon's configuration are not in newly reloaded registry mirrors, these existing ones will be removed from daemon's config.
Updating and reloading the cluster configurations such as `--cluster-store`,
`--cluster-advertise` and `--cluster-store-opts` will take effect only if
