Added app-id override for package install.

- Modified package install to preserve existing app labels.
- Integration tests.

dcos/api/package.py

@@ -33,7 +33,7 @@ PACKAGE_SOURCE_KEY = 'DCOS_PACKAGE_SOURCE'
 PACKAGE_FRAMEWORK_KEY = 'DCOS_PACKAGE_IS_FRAMEWORK'
 
 
-def install(pkg, version, init_client, user_options, cfg):
+def install(pkg, version, init_client, user_options, app_id, cfg):
     """Installs a package.
 
     :param pkg: The package to install
@@ -44,6 +44,8 @@ def install(pkg, version, init_client, user_options, cfg):
     :type init_client: object
     :param user_options: Package parameters
     :type user_options: dict
+    :param app_id: App ID for installation of this package
+    :type app_id: str
     :param cfg: Configuration dictionary
     :type cfg: dcos.api.config.Toml
     :rtype: Error
@@ -88,13 +90,25 @@ def install(pkg, version, init_client, user_options, cfg):
     if not is_framework:
         is_framework = False
 
-    init_desc['labels'] = {
+    package_labels = {
         PACKAGE_NAME_KEY: metadata['name'],
         PACKAGE_VERSION_KEY: metadata['version'],
         PACKAGE_SOURCE_KEY: pkg.registry.source.url,
         PACKAGE_FRAMEWORK_KEY: str(is_framework)
     }
 
+    # Preserve existing labels
+    labels = init_desc.get('labels', {})
+
+    labels.update(package_labels)
+    init_desc['labels'] = labels
+
+    if app_id is not None:
+        logger.debug('Setting app ID to "%s" (was "%s")',
+                     app_id,
+                     init_desc['id'])
+        init_desc['id'] = app_id
+
     # Send the descriptor to init
     _, err = init_client.add_app(init_desc)
     return err

dcos/cli/package/main.py

@@ -2,7 +2,8 @@
 Usage:
     dcos package describe <package_name>
     dcos package info
-    dcos package install [--options=<options_file>] <package_name>
+    dcos package install [--options=<options_file> --app-id=<app_id>]
+         <package_name>
     dcos package list
     dcos package search <query>
     dcos package sources
@@ -94,7 +95,7 @@ def _cmds():
 
         cmds.Command(
             hierarchy=['install'],
-            arg_keys=['<package_name>', '--options'],
+            arg_keys=['<package_name>', '--options', '--app-id'],
             function=_install),
 
         cmds.Command(
@@ -214,13 +215,15 @@ def _describe(package_name):
     return 0
 
 
-def _install(package_name, options_file):
+def _install(package_name, options_file, app_id):
     """Install the specified package.
 
     :param package_name: The package to install
     :type package_name: str
     :param options_file: Path to file containing option values
     :type options_file: str
+    :param app_id: App ID for installation of this package
+    :type app_id: str
     :returns: Process status
     :rtype: int
     """
@@ -257,6 +260,7 @@ def _install(package_name, options_file):
         pkg_version,
         init_client,
         options_json,
+        app_id,
         config)
 
     if install_error is not None:

integrations/cli/test_package.py

@@ -8,7 +8,8 @@ def test_package():
     assert stdout == b"""Usage:
     dcos package describe <package_name>
     dcos package info
-    dcos package install [--options=<options_file>] <package_name>
+    dcos package install [--options=<options_file> --app-id=<app_id>]
+         <package_name>
     dcos package list
     dcos package search <query>
     dcos package sources
@@ -108,6 +109,27 @@ def test_install():
     assert stderr == b''
 
 
+def test_install_with_id():
+    returncode, stdout, stderr = exec_command(
+        ['dcos',
+            'package',
+            'install',
+            'mesos-dns',
+            '--options=tests/data/package/mesos-dns-config.json',
+            '--app-id=dns'])
+
+    assert returncode == 0
+    assert stdout == b''
+    assert stderr == b''
+
+    returncode, stdout, stderr = exec_command(
+        ['dcos', 'marathon', 'app', 'remove', 'dns'])
+
+    assert returncode == 0
+    assert stdout == b''
+    assert stderr == b''
+
+
 def test_list():
     returncode, stdout, stderr = exec_command(['dcos', 'package', 'list'])