Change reset_cache action from get to post

app/assets/javascripts/pipelines/components/nav_controls.vue

@@ -50,10 +50,9 @@ export default {
       Get started with Pipelines
     </a>
 
-    <a :href="resetCachePath"
-      class="btn btn-default">
-      Clear runner caches
-    </a>
+    <form :action="resetCachePath" method="post">
+      <input type="submit" class="btn btn-default" value="Clear runner caches" />
+    </form>
 
     <a
       :href="ciLintPath"

config/routes/project.rb

@@ -409,7 +409,7 @@ constraints(ProjectUrlConstrainer.new) do
       namespace :settings do
         get :members, to: redirect("%{namespace_id}/%{project_id}/project_members")
         resource :ci_cd, only: [:show], controller: 'ci_cd' do
-          get :reset_cache
+          post :reset_cache
         end
         resource :integrations, only: [:show]
         resource :repository, only: [:show], controller: :repository

spec/controllers/projects/settings/ci_cd_controller_spec.rb

@@ -27,7 +27,7 @@ describe Projects::Settings::CiCdController do
       allow(ResetProjectCacheService).to receive_message_chain(:new, :execute).and_return(true)
     end
 
-    subject { get :reset_cache, namespace_id: project.namespace, project_id: project }
+    subject { post :reset_cache, namespace_id: project.namespace, project_id: project }
 
     it 'calls reset project cache service' do
       expect(ResetProjectCacheService).to receive_message_chain(:new, :execute)

spec/javascripts/pipelines/nav_controls_spec.js

@@ -58,7 +58,7 @@ describe('Pipelines Nav Controls', () => {
     }).$mount();
 
     expect(component.$el.querySelectorAll('.btn-default')[0].textContent).toContain('Clear runner caches');
-    expect(component.$el.querySelectorAll('.btn-default')[0].getAttribute('href')).toEqual(mockData.resetCachePath);
+    expect(component.$el.querySelector('form').getAttribute('action')).toEqual(mockData.resetCachePath);
   });
 
   it('should render link for CI lint', () => {