Migrate clusters with no token to unmanaged

There are clusters that have Kubernetes namespaces
stored which are missing a service account token.
These namespaces are unable to be used for deployments,
so marking the clusters as unmanaged will allow the
platform credentials to be used instead.

1 files changed, 59 insertions, 0 deletions

diff --git a/spec/migrations/migrate_managed_clusters_with_no_token_to_unmanaged_spec.rb b/spec/migrations/migrate_managed_clusters_with_no_token_to_unmanaged_spec.rb
new file mode 100644
index 00000000000..b73bd16cb60
--- /dev/null
+++ b/spec/migrations/migrate_managed_clusters_with_no_token_to_unmanaged_spec.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require Rails.root.join('db', 'post_migrate', '20190613231640_migrate_managed_clusters_with_no_token_to_unmanaged.rb')
+
+describe MigrateManagedClustersWithNoTokenToUnmanaged, :migration do
+  let(:cluster_type) { 'project_type' }
+  let(:created_at) { Date.new(2018, 11, 1).midnight }
+
+  let!(:cluster) do
+    table(:clusters).create!(
+      name: 'cluster',
+      cluster_type: described_class::Cluster.cluster_types[cluster_type],
+      managed: true,
+      created_at: created_at
+    )
+  end
+
+  let!(:kubernetes_namespace) do
+    table(:clusters_kubernetes_namespaces).create!(
+      cluster_id: cluster.id,
+      namespace: 'namespace'
+    )
+  end
+
+  it 'marks the cluster as unmanaged' do
+    migrate!
+    expect(cluster.reload).not_to be_managed
+  end
+
+  context 'cluster is not project type' do
+    let(:cluster_type) { 'group_type' }
+
+    it 'does not update the cluster' do
+      migrate!
+      expect(cluster.reload).to be_managed
+    end
+  end
+
+  context 'kubernetes namespace has a service account token' do
+    before do
+      kubernetes_namespace.update!(encrypted_service_account_token: "TOKEN")
+    end
+
+    it 'does not update the cluster' do
+      migrate!
+      expect(cluster.reload).to be_managed
+    end
+  end
+
+  context 'cluster was created after the cutoff' do
+    let(:created_at) { Date.new(2019, 1, 1).midnight }
+
+    it 'does not update the cluster' do
+      migrate!
+      expect(cluster.reload).to be_managed
+    end
+  end
+end