add autoscaler and build for go code

src/autoscaler/meson.build

@@ -22,3 +22,5 @@ libscaler = static_library('scaler',
                            include_directories: [incdir],
                            dependencies: libscaler_deps,
                            install: true)
+
+subdir('providers')

src/autoscaler/providers/meson.build

@@ -0,0 +1,34 @@
+
+go_env = environment()
+go_env.set('BUILDTYPE', get_option('buildtype'))
+go_env.set('FIX_ENVARS','CGO_CFLAGS CGO_LDFLAGS')
+go_env.set('DEPENDENCIES','thread math')
+go_env.set('ENVARS', 'CURRENT_SOURCE_DIR BUILD_ROOT')
+
+apiserver = custom_target('bcctool',
+                          input: 'baidu/src/bcctool/main.go',
+                          output: 'bcctool',
+                          command: [env_program,
+                                    'CURRENT_SOURCE_DIR="@CURRENT_SOURCE_DIR@"',
+                                    'BUILD_ROOT="@BUILD_ROOT@"',
+                                    go_build_program,
+                                    '@INPUT@', '@OUTPUT@'],
+                          env: go_env,
+                          install: true,
+                          install_dir: get_option('prefix') / 'bin')
+
+scripts = [
+  './baidu/scripts/getReturnRequests.sh',
+  './baidu/scripts/getAvailableTemplates.sh',
+  './baidu/scripts/getRequestStatus.sh',
+  './baidu/scripts/requestReturnMachines.sh',
+  './baidu/scripts/getAvailableMachines.sh',
+  './baidu/scripts/requestMachines.sh',
+  './baidu/postprovision/lsf/example_user_data.sh',
+]
+
+install_data(scripts,
+            install_dir: 'share/bcctool/scripts')
+
+# FIXME: support installation of configuration
+# file later