3 files changed, 127 insertions, 0 deletions
diff --git a/plugins/resetter/interface.go b/plugins/resetter/interface.go
new file mode 100644
index 00000000..47d8d791
--- /dev/null
+++ b/plugins/resetter/interface.go
@@ -0,0 +1,17 @@
+package resetter
+
+// If plugin implements Resettable interface, than it state can be resetted without reload in runtime via RPC/HTTP
+type Resettable interface {
+	// Reset reload all plugins
+	Reset() error
+}
+
+// Resetter interface is the Resetter plugin main interface
+type Resetter interface {
+	// Reset all registered plugins
+	ResetAll() error
+	// Reset by plugin name
+	ResetByName(string) error
+	// GetAll registered plugins
+	GetAll() []string
+}
diff --git a/plugins/resetter/plugin.go b/plugins/resetter/plugin.go
new file mode 100644
index 00000000..5d294086
--- /dev/null
+++ b/plugins/resetter/plugin.go
@@ -0,0 +1,80 @@
+package resetter
+
+import (
+	"github.com/spiral/endure"
+	"github.com/spiral/errors"
+	"github.com/spiral/roadrunner/v2/plugins/logger"
+)
+
+const PluginName = "resetter"
+
+type Plugin struct {
+	registry map[string]Resettable
+	log      logger.Logger
+}
+
+func (p *Plugin) ResetAll() error {
+	const op = errors.Op("reset all")
+	for name := range p.registry {
+		err := p.registry[name].Reset()
+		if err != nil {
+			return errors.E(op, err)
+		}
+	}
+	return nil
+}
+
+func (p *Plugin) ResetByName(plugin string) error {
+	const op = errors.Op("reset by name")
+	if plugin, ok := p.registry[plugin]; ok {
+		return plugin.Reset()
+	}
+	return errors.E(op, errors.Errorf("can't find plugin: %s", plugin))
+}
+
+func (p *Plugin) GetAll() []string {
+	all := make([]string, 0, len(p.registry))
+	for name := range p.registry {
+		all = append(all, name)
+	}
+	return all
+}
+
+func (p *Plugin) Init(log logger.Logger) error {
+	p.registry = make(map[string]Resettable)
+	p.log = log
+	return nil
+}
+
+// Reset named service.
+func (p *Plugin) Reset(name string) error {
+	svc, ok := p.registry[name]
+	if !ok {
+		return errors.E("no such service", errors.Str(name))
+	}
+
+	return svc.Reset()
+}
+
+// RegisterTarget resettable service.
+func (p *Plugin) RegisterTarget(name endure.Named, r Resettable) error {
+	p.registry[name.Name()] = r
+	return nil
+}
+
+// Collects declares services to be collected.
+func (p *Plugin) Collects() []interface{} {
+	return []interface{}{
+		p.RegisterTarget,
+	}
+}
+
+// Name of the service.
+func (p *Plugin) Name() string {
+	return PluginName
+}
+
+// RPCService returns associated rpc service.
+func (p *Plugin) RPC() interface{} {
+	return &rpc{srv: p, log: p.log}
+}
diff --git a/plugins/resetter/rpc.go b/plugins/resetter/rpc.go
new file mode 100644
index 00000000..69c955b0
--- /dev/null
+++ b/plugins/resetter/rpc.go
@@ -0,0 +1,30 @@
+package resetter
+
+import "github.com/spiral/roadrunner/v2/plugins/logger"
+
+type rpc struct {
+	srv *Plugin
+	log logger.Logger
+}
+
+// List all resettable plugins.
+func (rpc *rpc) List(_ bool, list *[]string) error {
+	rpc.log.Debug("started List method")
+	*list = make([]string, 0)
+
+	for name := range rpc.srv.registry {
+		*list = append(*list, name)
+	}
+	rpc.log.Debug("services list", "services", *list)
+
+	rpc.log.Debug("finished List method")
+	return nil
+}
+
+// Reset named plugin.
+func (rpc *rpc) Reset(service string, done *bool) error {
+	rpc.log.Debug("started Reset method for the service", "service", service)
+	defer rpc.log.Debug("finished Reset method for the service", "service", service)
+	*done = true
+	return rpc.srv.Reset(service)
+}