Expose can_uninstall in cluster_status.json

Only prometheus can be uninstalled atm, the rest will be dealt with
later.

Presumption is that new application types will have uninstallation
implmemented at the same time.

7 files changed, 51 insertions, 0 deletions

diff --git a/spec/models/clusters/applications/cert_manager_spec.rb b/spec/models/clusters/applications/cert_manager_spec.rb
index 5cd80edb3a1..8d853a04e33 100644
--- a/spec/models/clusters/applications/cert_manager_spec.rb
+++ b/spec/models/clusters/applications/cert_manager_spec.rb
@@ -10,6 +10,12 @@ describe Clusters::Applications::CertManager do
   include_examples 'cluster application version specs', :clusters_applications_cert_managers
   include_examples 'cluster application initial status specs'
 
+  describe '#can_uninstall?' do
+    subject { cert_manager.can_uninstall? }
+
+    it { is_expected.to be_falsey }
+  end
+
   describe '#install_command' do
     let(:cert_email) { 'admin@example.com' }
 
diff --git a/spec/models/clusters/applications/helm_spec.rb b/spec/models/clusters/applications/helm_spec.rb
index f177d493a2e..6ea6c110d62 100644
--- a/spec/models/clusters/applications/helm_spec.rb
+++ b/spec/models/clusters/applications/helm_spec.rb
@@ -18,6 +18,14 @@ describe Clusters::Applications::Helm do
     it { is_expected.to contain_exactly(installed_cluster, updated_cluster) }
   end
 
+  describe '#can_uninstall?' do
+    let(:helm) { create(:clusters_applications_helm) }
+
+    subject { helm.can_uninstall? }
+
+    it { is_expected.to be_falsey }
+  end
+
   describe '#issue_client_cert' do
     let(:application) { create(:clusters_applications_helm) }
     subject { application.issue_client_cert }
diff --git a/spec/models/clusters/applications/ingress_spec.rb b/spec/models/clusters/applications/ingress_spec.rb
index 113d29b5551..292ddabd2d8 100644
--- a/spec/models/clusters/applications/ingress_spec.rb
+++ b/spec/models/clusters/applications/ingress_spec.rb
@@ -18,6 +18,12 @@ describe Clusters::Applications::Ingress do
     allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_async)
   end
 
+  describe '#can_uninstall?' do
+    subject { ingress.can_uninstall? }
+
+    it { is_expected.to be_falsey }
+  end
+
   describe '#make_installed!' do
     before do
       application.make_installed!
diff --git a/spec/models/clusters/applications/jupyter_spec.rb b/spec/models/clusters/applications/jupyter_spec.rb
index 1a7363b64f9..fc9ebed863e 100644
--- a/spec/models/clusters/applications/jupyter_spec.rb
+++ b/spec/models/clusters/applications/jupyter_spec.rb
@@ -10,6 +10,15 @@ describe Clusters::Applications::Jupyter do
 
   it { is_expected.to belong_to(:oauth_application) }
 
+  describe '#can_uninstall?' do
+    let(:ingress) { create(:clusters_applications_ingress, :installed, external_hostname: 'localhost.localdomain') }
+    let(:jupyter) { create(:clusters_applications_jupyter, cluster: ingress.cluster) }
+
+    subject { jupyter.can_uninstall? }
+
+    it { is_expected.to be_falsey }
+  end
+
   describe '#set_initial_status' do
     before do
       jupyter.set_initial_status
diff --git a/spec/models/clusters/applications/knative_spec.rb b/spec/models/clusters/applications/knative_spec.rb
index 405b5ad691c..d5974f47190 100644
--- a/spec/models/clusters/applications/knative_spec.rb
+++ b/spec/models/clusters/applications/knative_spec.rb
@@ -39,6 +39,12 @@ describe Clusters::Applications::Knative do
     end
   end
 
+  describe '#can_uninstall?' do
+    subject { knative.can_uninstall? }
+
+    it { is_expected.to be_falsey }
+  end
+
   describe '#schedule_status_update with external_ip' do
     let(:application) { create(:clusters_applications_knative, :installed) }
 
diff --git a/spec/models/clusters/applications/prometheus_spec.rb b/spec/models/clusters/applications/prometheus_spec.rb
index e8ba9737c23..f390afe9b1f 100644
--- a/spec/models/clusters/applications/prometheus_spec.rb
+++ b/spec/models/clusters/applications/prometheus_spec.rb
@@ -29,6 +29,14 @@ describe Clusters::Applications::Prometheus do
     end
   end
 
+  describe '#can_uninstall?' do
+    let(:prometheus) { create(:clusters_applications_prometheus) }
+
+    subject { prometheus.can_uninstall? }
+
+    it { is_expected.to be_truthy }
+  end
+
   describe '#prometheus_client' do
     context 'cluster is nil' do
       it 'returns nil' do
diff --git a/spec/models/clusters/applications/runner_spec.rb b/spec/models/clusters/applications/runner_spec.rb
index b66acf13135..bdc0cb8ed86 100644
--- a/spec/models/clusters/applications/runner_spec.rb
+++ b/spec/models/clusters/applications/runner_spec.rb
@@ -13,6 +13,14 @@ describe Clusters::Applications::Runner do
 
   it { is_expected.to belong_to(:runner) }
 
+  describe '#can_uninstall?' do
+    let(:gitlab_runner) { create(:clusters_applications_runner, runner: ci_runner) }
+
+    subject { gitlab_runner.can_uninstall? }
+
+    it { is_expected.to be_falsey }
+  end
+
   describe '#install_command' do
     let(:kubeclient) { double('kubernetes client') }
     let(:gitlab_runner) { create(:clusters_applications_runner, runner: ci_runner) }