// ExecuteHook executes the provided hook locally, and returns the result.
func (agent *ActionAgent) ExecuteHook(ctx context.Context, hk *hook.Hook) *hook.HookResult {
if err := agent.lock(ctx); err != nil {
// client gave up
return &hook.HookResult{}
}
defer agent.unlock()
// Execute the hooks
topotools.ConfigureTabletHook(hk, agent.TabletAlias)
hr := hk.Execute()
// We never know what the hook did, so let's refresh our state.
if err := agent.refreshTablet(ctx, "ExecuteHook"); err != nil {
log.Errorf("refreshTablet after ExecuteHook failed: %v", err)
}
return hr
}
// add TABLET_ALIAS to environment
func configureTabletHook(hk *hook.Hook, tabletAlias topo.TabletAlias) {
if hk.ExtraEnv == nil {
hk.ExtraEnv = make(map[string]string, 1)
}
hk.ExtraEnv["TABLET_ALIAS"] = tabletAlias.String()
}
// ExecuteHook executes the provided hook locally, and returns the result.
// Should be called under RPCWrapLockAction.
func (agent *ActionAgent) ExecuteHook(ctx context.Context, hk *hook.Hook) *hook.HookResult {
topotools.ConfigureTabletHook(hk, agent.TabletAlias)
return hk.Execute()
}
// ConfigureTabletHook configures the right parameters for a hook
// running locally on a tablet.
func ConfigureTabletHook(hk *hook.Hook, tabletAlias *topodatapb.TabletAlias) {
if hk.ExtraEnv == nil {
hk.ExtraEnv = make(map[string]string, 1)
}
hk.ExtraEnv["TABLET_ALIAS"] = topoproto.TabletAliasString(tabletAlias)
}