Commit 73e5d3a2 authored by Tiger's avatar Tiger

Validate kubernetes cluster CA certificate

No certificate is still accepted, but if one is provided it must
be valid. Only run validation if the certificate has changed to
avoid making existing records invalid.
parent 2cea4fd0
......@@ -43,6 +43,7 @@ module Clusters
# We expect to be `active?` only when enabled and cluster is created (the api_url is assigned)
validates :api_url, url: true, presence: true
validates :token, presence: true
validates :ca_cert, certificate: true, allow_blank: true, if: :ca_cert_changed?
validate :prevent_modification, on: :update
......
---
title: Validate kubernetes cluster CA certificate
merge_request: 24990
author:
type: changed
......@@ -97,7 +97,7 @@ RSpec.describe Clusters::KubernetesNamespace, type: :model do
let(:platform) { create(:cluster_platform_kubernetes, api_url: api_url, ca_cert: ca_pem, token: token) }
let(:api_url) { 'https://kube.domain.com' }
let(:ca_pem) { 'CA PEM DATA' }
let(:ca_pem) { File.read(Rails.root.join('spec/fixtures/clusters/sample_cert.pem')) }
let(:token) { 'token' }
let(:kubeconfig) do
......
......@@ -114,6 +114,36 @@ describe Clusters::Platforms::Kubernetes, :use_clean_rails_memory_store_caching
end
end
context 'ca_cert' do
let(:kubernetes) { build(:cluster_platform_kubernetes, ca_pem: ca_pem) }
context 'with a valid certificate' do
let(:ca_pem) { File.read(Rails.root.join('spec/fixtures/clusters/sample_cert.pem')) }
it { is_expected.to be_truthy }
end
context 'with an invalid certificate' do
let(:ca_pem) { "invalid" }
it { is_expected.to be_falsey }
context 'but the certificate is not being updated' do
before do
allow(kubernetes).to receive(:ca_cert_changed?).and_return(false)
end
it { is_expected.to be_truthy }
end
end
context 'with no certificate' do
let(:ca_pem) { "" }
it { is_expected.to be_truthy }
end
end
describe 'when using reserved namespaces' do
subject { build(:cluster_platform_kubernetes, namespace: namespace) }
......@@ -202,7 +232,7 @@ describe Clusters::Platforms::Kubernetes, :use_clean_rails_memory_store_caching
let!(:cluster) { create(:cluster, :project, platform_kubernetes: kubernetes) }
let(:kubernetes) { create(:cluster_platform_kubernetes, api_url: api_url, ca_cert: ca_pem) }
let(:api_url) { 'https://kube.domain.com' }
let(:ca_pem) { 'CA PEM DATA' }
let(:ca_pem) { File.read(Rails.root.join('spec/fixtures/clusters/sample_cert.pem')) }
subject { kubernetes.predefined_variables(project: cluster.project) }
......
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