update code/docs to reflect command.json being unconfigurable (#598)

cli/dcoscli/data/help/package.txt

@@ -56,8 +56,7 @@ Options:
     --cli
         Command line only.
     --config
-        Print the the configurable properties for the `marathon.json` and
-        `command.json` files.
+        Print the the configurable properties for the `marathon.json` file.
     --index=<index>
         The numerical position in the package repository list. Package
         repositories are searched in descending order. By default the Universe
@@ -73,9 +72,8 @@ Options:
     --package-versions
         Print all versions for this package.
     --render
-        Collate the marathon.json or command.json package templates with the
-        values from config.json and --options. If not provided, print the raw
-        templates.
+        Collate the marathon.json package template with the values from
+        config.json and --options. If not provided, print the raw templates.
     --version
         Print version information.
     --yes

cli/dcoscli/package/main.py

@@ -229,8 +229,7 @@ def _describe(package_name,
     :param options_path: Path to json file with options to override
                          config.json defaults.
     :type options_path: str
-    :param render: If True, marathon.json and/or command.json templates
-                   will be rendered
+    :param render: If True, marathon.json will be rendered
     :type render: boolean
     :param package_versions: If True, a list of all package versions will
                              be printed
@@ -273,11 +272,7 @@ def _describe(package_name,
         options = pkg.options(user_options)
 
         if cli:
-            if render:
-                cli_output = pkg.command_json(options)
-            else:
-                cli_output = pkg.command_template()
-            emitter.publish(cli_output)
+            emitter.publish(pkg.command_json())
         if app:
             if render:
                 app_output = pkg.marathon_json(options)

cli/tests/data/help/package.txt

@@ -56,8 +56,7 @@ Options:
     --cli
         Command line only.
     --config
-        Print the the configurable properties for the `marathon.json` and
-        `command.json` files.
+        Print the the configurable properties for the `marathon.json` file.
     --index=<index>
         The numerical position in the package repository list. Package
         repositories are searched in descending order. By default the Universe
@@ -73,9 +72,8 @@ Options:
     --package-versions
         Print all versions for this package.
     --render
-        Collate the marathon.json or command.json package templates with the
-        values from config.json and --options. If not provided, print the raw
-        templates.
+        Collate the marathon.json package template with the values from
+        config.json and --options. If not provided, print the raw templates.
     --version
         Print version information.
     --yes

dcos/cosmospackage.py

@@ -1,8 +1,6 @@
 import collections
 import functools
-import json
 
-import pystache
 import six
 from dcos import emitting, http, util
 from dcos.errors import (DCOSAuthenticationException,
@@ -365,14 +363,6 @@ class CosmosPackageVersion():
 
         return self._resource_json
 
-    def command_template(self):
-        """ Returns raw data from command.json
-
-        :returns: raw data from command.json
-        :rtype: str
-        """
-        return self._command_json
-
     def marathon_template(self):
         """Returns raw data from marathon.json
 
@@ -424,18 +414,14 @@ class CosmosPackageVersion():
 
         return self._command_json is not None
 
-    def command_json(self, options):
-        """Returns the JSON content of the command.json template, after
-        rendering it with options.
+    def command_json(self):
+        """Returns the JSON content of the command.json file.
 
-        :param options: the template options to use in rendering
-        :type options: dict
         :returns: Package data
         :rtype: dict
         """
 
-        rendered = pystache.render(json.dumps(self._command_json), options)
-        return util.load_jsons(rendered)
+        return self._command_json
 
     def package_versions(self):
         """Returns a list of available versions for this package

dcos/subcommand.py

@@ -231,7 +231,7 @@ def _install_env(pkg, options):
 
     pkg_dir = _package_dir(pkg.name())
 
-    install_operation = pkg.command_json(options)
+    install_operation = pkg.command_json()
 
     env_dir = os.path.join(pkg_dir,
                            constants.DCOS_SUBCOMMAND_VIRTUALENV_SUBDIR)