Move all hardcoded paths to one config.yml file

config.yml

@@ -0,0 +1,9 @@
+examples-dir: /vagrant/examples
+
+extensions-dir: /vagrant/solar/solar/extensions
+
+file-system-db:
+  resources-path: ./schema/resources
+  storage-path: /vagrant/tmp/storage
+
+template-dir: /vagrant/templates

solar/solar/cli.py

@@ -17,7 +17,6 @@ On create "golden" resource should be moved to special place
 """
 
 import argparse
-import subprocess
 import os
 import sys
 import pprint
@@ -25,12 +24,12 @@ import pprint
 import textwrap
 import yaml
 
-from solar import utils
 from solar import extensions
 from solar.interfaces.db import get_db
+from solar import utils
 
 # NOTE: these are extensions, they shouldn't be imported here
-from solar.extensions.modules import ansible
+# Maybe each extension can also extend the CLI with parsers
 from solar.extensions.modules.discovery import Discovery
 
 
@@ -82,7 +81,9 @@ class Cmd(object):
     def profile(self, args):
         if args.create:
             params = {'tags': args.tags, 'id': args.id}
-            profile_template_path = os.path.join(os.path.dirname(__file__), 'templates', 'profile.yml')
+            profile_template_path = os.path.join(
+                utils.read_config()['templates-dir'], 'profile.yml'
+            )
             data = yaml.load(utils.render_template(profile_template_path, params))
             self.db.store('profiles', data)
         else:

solar/solar/extensions/__init__.py

@@ -1,12 +1,14 @@
 import glob
 import os
 
-from solar import utils
 from solar.core.profile import Profile
 from solar.extensions.base import BaseExtension
+from solar import utils
 # Import all modules from the directory in order
 # to make subclasses for extensions work
-modules = glob.glob(os.path.join(os.path.dirname(__file__), 'modules', '*.py'))
+modules = glob.glob(
+    os.path.join(utils.read_config()['extensions-dir'], 'modules', '*.py')
+)
 [__import__('%s.%s' % ('modules', os.path.basename(f)[:-3]), locals(), globals()) for f in modules]
 
 

solar/solar/extensions/modules/discovery.py

@@ -4,6 +4,7 @@ import os
 import yaml
 
 from solar.extensions import base
+from solar import utils
 
 
 class Discovery(base.BaseExtension):
@@ -15,9 +16,9 @@ class Discovery(base.BaseExtension):
     COLLECTION_NAME = 'nodes'
 
     FILE_PATH = os.path.join(
-        # TODO(pkaminski): no way we need '..' here...
-        os.path.dirname(__file__), '..', '..', '..', '..',
-        'examples', 'nodes_list.yaml')
+        utils.read_config()['examples-dir'],
+        'nodes_list.yaml'
+    )
 
     def discover(self):
         nodes_to_store = []

solar/solar/extensions/modules/resources.py

@@ -1,7 +1,7 @@
 import os
 
-from solar import utils
 from solar.extensions import base
+from solar import utils
 
 
 class Resources(base.BaseExtension):
@@ -13,9 +13,8 @@ class Resources(base.BaseExtension):
     # Rewrite it to use golden resources from
     # the storage
     FILE_MASK = os.path.join(
-        # TODO(pkaminski): no way we need '..' here...
-        os.path.dirname(__file__), '..', '..', '..', '..',
-        'examples', 'resources', '*.yml')
+        utils.read_config()['examples-dir'],
+        'resources', '*.yml')
 
     def resources(self):
         resources = []

solar/solar/interfaces/db/file_system_db.py

@@ -19,8 +19,8 @@ def get_files(path, pattern):
 
 
 class FileSystemDB(DirDBM):
-    RESOURCES_PATH = './schema/resources'
-    STORAGE_PATH = '/vagrant/tmp/storage/'
+    RESOURCES_PATH = utils.read_config()['file-system-db']['resources-path']
+    STORAGE_PATH = utils.read_config()['file-system-db']['storage-path']
 
     def __init__(self):
         utils.create_dir(self.STORAGE_PATH)

solar/solar/utils.py

@@ -59,3 +59,7 @@ def render_template(template_path, params):
         temp = Template(f.read())
 
     return temp.render(**params)
+
+
+def read_config():
+    return yaml_load('/vagrant/config.yml')