Cache invalidate mechanisms

main.go

@@ -170,6 +170,7 @@ func main() {
 	e.GET(a.config.BasePath+"/", a.dispatchRequest)
 	e.GET(a.config.BasePath+"/*", a.dispatchRequest)
 	e.GET(a.config.BasePath+"/events", a.viewLog)
+	e.GET(a.config.BasePath+"/invalidate_cache", a.invalidateCache)
 
 	// Protected event listener.
 	p := e.Group(a.config.BasePath + "/api")
@@ -208,6 +209,11 @@ func (a *apiClient) dispatchRequest(c echo.Context) error {
 	}
 }
 
+func (a *apiClient) invalidateCache(c echo.Context) error {
+	a.client.InvalidateCache()
+	return c.Redirect(http.StatusSeeOther, a.config.BasePath+"/")
+}
+
 func (a *apiClient) listRepo(c echo.Context, repoPath string) error {
 	tags := a.client.Tags(repoPath)
 	repos := a.client.RepositoriesList(true)

registry/client.go

@@ -152,6 +152,11 @@ func (c *Client) callRegistry(uri, scope, manifestFormat string) (string, gorequ
 	return data, resp
 }
 
+func (c *Client) InvalidateCache() {
+	c.logger.Info("Cache invalidated")
+	c.repos = []string{}
+}
+
 func (c *Client) RepositoriesList(useCache bool) []string {
 	// Return from cache if available.
 	if len(c.repos) > 0 && useCache {

templates/base.html

@@ -16,6 +16,7 @@
             </div>
             <div style="float: right">
                 <h4><a href="{{ basePath }}/events">Event Log</a></h4>
+                <h4><a href="{{ basePath }}/invalidate_cache">Invalidate cache</a></h4>
             </div>
             <div style="clear: both"></div>