1 files changed, 137 insertions, 0 deletions
diff --git a/lib/api/admin/ci/variables.rb b/lib/api/admin/ci/variables.rb
new file mode 100644
index 00000000000..df731148bac
--- /dev/null
+++ b/lib/api/admin/ci/variables.rb
@@ -0,0 +1,137 @@
+# frozen_string_literal: true
+
+module API
+  module Admin
+    module Ci
+      class Variables < Grape::API
+        include PaginationParams
+
+        before { authenticated_as_admin! }
+
+        namespace 'admin' do
+          namespace 'ci' do
+            namespace 'variables' do
+              desc 'Get instance-level variables' do
+                success Entities::Variable
+              end
+              params do
+                use :pagination
+              end
+              get '/' do
+                variables = ::Ci::InstanceVariable.all
+
+                present paginate(variables), with: Entities::Variable
+              end
+
+              desc 'Get a specific variable from a group' do
+                success Entities::Variable
+              end
+              params do
+                requires :key, type: String, desc: 'The key of the variable'
+              end
+              get ':key' do
+                key = params[:key]
+                variable = ::Ci::InstanceVariable.find_by_key(key)
+
+                break not_found!('InstanceVariable') unless variable
+
+                present variable, with: Entities::Variable
+              end
+
+              desc 'Create a new instance-level variable' do
+                success Entities::Variable
+              end
+              params do
+                requires :key,
+                  type: String,
+                  desc: 'The key of the variable'
+
+                requires :value,
+                  type: String,
+                  desc: 'The value of the variable'
+
+                optional :protected,
+                  type: String,
+                  desc: 'Whether the variable is protected'
+
+                optional :masked,
+                  type: String,
+                  desc: 'Whether the variable is masked'
+
+                optional :variable_type,
+                  type: String,
+                  values: ::Ci::InstanceVariable.variable_types.keys,
+                  desc: 'The type of variable, must be one of env_var or file. Defaults to env_var'
+              end
+              post '/' do
+                variable_params = declared_params(include_missing: false)
+
+                variable = ::Ci::InstanceVariable.new(variable_params)
+
+                if variable.save
+                  present variable, with: Entities::Variable
+                else
+                  render_validation_error!(variable)
+                end
+              end
+
+              desc 'Update an existing instance-variable' do
+                success Entities::Variable
+              end
+              params do
+                optional :key,
+                  type: String,
+                  desc: 'The key of the variable'
+
+                optional :value,
+                  type: String,
+                  desc: 'The value of the variable'
+
+                optional :protected,
+                  type: String,
+                  desc: 'Whether the variable is protected'
+
+                optional :masked,
+                  type: String,
+                  desc: 'Whether the variable is masked'
+
+                optional :variable_type,
+                  type: String,
+                  values: ::Ci::InstanceVariable.variable_types.keys,
+                  desc: 'The type of variable, must be one of env_var or file'
+              end
+              put ':key' do
+                variable = ::Ci::InstanceVariable.find_by_key(params[:key])
+
+                break not_found!('InstanceVariable') unless variable
+
+                variable_params = declared_params(include_missing: false).except(:key)
+
+                if variable.update(variable_params)
+                  present variable, with: Entities::Variable
+                else
+                  render_validation_error!(variable)
+                end
+              end
+
+              desc 'Delete an existing instance-level variable' do
+                success Entities::Variable
+              end
+              params do
+                requires :key, type: String, desc: 'The key of the variable'
+              end
+              delete ':key' do
+                variable = ::Ci::InstanceVariable.find_by_key(params[:key])
+                not_found!('InstanceVariable') unless variable
+
+                variable.destroy
+
+                no_content!
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+end