Add facade which will always return nil in CE

This method will be overridden in EE

app/presenters/clusterable_presenter.rb

@@ -53,6 +53,11 @@ class ClusterablePresenter < Gitlab::View::Presenter::Delegated
     raise NotImplementedError
   end
 
+  # Will be overidden in EE
+  def environments_cluster_path(cluster)
+    nil
+  end
+
   def empty_state_help_text
     nil
   end

ee/app/presenters/ee/group_clusterable_presenter.rb

@@ -8,5 +8,18 @@ module EE
     def metrics_cluster_path(cluster, params = {})
       metrics_group_cluster_path(clusterable, cluster, params)
     end
+
+    override :environments_cluster_path
+    def environments_cluster_path(cluster)
+      return super unless can_read_cluster_environments?
+
+      environments_group_cluster_path(clusterable, cluster)
+    end
+
+    private
+
+    def can_read_cluster_environments?
+      can?(current_user, :read_cluster_environments, clusterable)
+    end
   end
 end

ee/spec/presenters/group_clusterable_presenter_spec.rb

@@ -5,6 +5,8 @@ require 'spec_helper'
 describe GroupClusterablePresenter do
   include Gitlab::Routing.url_helpers
 
+  set(:user) { create(:user) }
+
   let(:presenter) { described_class.new(group) }
   let(:cluster) { create(:cluster, :provided_by_gcp, :group) }
   let(:group) { cluster.group }
@@ -14,4 +16,28 @@ describe GroupClusterablePresenter do
 
     it { is_expected.to eq(metrics_group_cluster_path(group, cluster)) }
   end
+
+  describe '#environments_cluster_path' do
+    subject { presenter.environments_cluster_path(cluster) }
+
+    before do
+      group.add_maintainer(user)
+
+      allow(presenter).to receive(:current_user).and_return(user)
+
+      stub_licensed_features(cluster_deployments: feature_available)
+    end
+
+    context 'cluster_deployments feature is available' do
+      let(:feature_available) { true }
+
+      it { is_expected.to eq(environments_group_cluster_path(group, cluster)) }
+    end
+
+    context 'cluster_deployments feature is not available' do
+      let(:feature_available) { false }
+
+      it { is_expected.to be_nil }
+    end
+  end
 end

spec/presenters/clusterable_presenter_spec.rb

@@ -78,4 +78,13 @@ describe ClusterablePresenter do
       it_behaves_like 'appropriate member permissions'
     end
   end
+
+  describe '#environments_cluster_path' do
+    subject { described_class.new(clusterable).environments_cluster_path(cluster) }
+
+    let(:clusterable) { create(:group) }
+    let(:cluster) { create(:cluster_for_group, groups: [clusterable]) }
+
+    it { is_expected.to be_nil }
+  end
 end