Add policy for mappings (#55)

* Add policy for mappings

* fix travis

hassio/addons/data.py

@@ -3,18 +3,20 @@ import copy
 import logging
 import json
 from pathlib import Path, PurePath
+import re
 
 import voluptuous as vol
 from voluptuous.humanize import humanize_error
 
 from .util import extract_hash_from_path
 from .validate import (
-    validate_options, SCHEMA_ADDON_CONFIG, SCHEMA_REPOSITORY_CONFIG)
+    validate_options, SCHEMA_ADDON_CONFIG, SCHEMA_REPOSITORY_CONFIG,
+    MAP_VOLUME)
 from ..const import (
     FILE_HASSIO_ADDONS, ATTR_NAME, ATTR_VERSION, ATTR_SLUG, ATTR_DESCRIPTON,
     ATTR_STARTUP, ATTR_BOOT, ATTR_MAP, ATTR_OPTIONS, ATTR_PORTS, BOOT_AUTO,
-    ATTR_SCHEMA, ATTR_IMAGE, MAP_CONFIG, MAP_SSL, MAP_ADDONS, MAP_BACKUP,
-    ATTR_REPOSITORY, ATTR_URL, ATTR_ARCH, ATTR_LOCATON, ATTR_DEVICES)
+    ATTR_SCHEMA, ATTR_IMAGE, ATTR_REPOSITORY, ATTR_URL, ATTR_ARCH,
+    ATTR_LOCATON, ATTR_DEVICES)
 from ..config import Config
 from ..tools import read_json_file, write_json_file
 
@@ -26,6 +28,8 @@ USER = 'user'
 REPOSITORY_CORE = 'core'
 REPOSITORY_LOCAL = 'local'
 
+RE_VOLUME = re.compile(MAP_VOLUME)
+
 
 class AddonsData(Config):
     """Hold data for addons inside HassIO."""
@@ -327,21 +331,14 @@ class AddonsData(Config):
         )
         return ATTR_IMAGE not in addon_data
 
-    def map_config(self, addon):
-        """Return True if config map is needed."""
-        return MAP_CONFIG in self._system_data[addon][ATTR_MAP]
+    def map_volumes(self, addon):
+        """Return a dict of {volume: policy} from addon."""
+        volumes = {}
+        for volume in self._system_data[addon][ATTR_MAP]:
+            result = RE_VOLUME.match(volume)
+            volumes[result.group(1)] = result.group(2) or 'ro'
 
-    def map_ssl(self, addon):
-        """Return True if ssl map is needed."""
-        return MAP_SSL in self._system_data[addon][ATTR_MAP]
-
-    def map_addons(self, addon):
-        """Return True if addons map is needed."""
-        return MAP_ADDONS in self._system_data[addon][ATTR_MAP]
-
-    def map_backup(self, addon):
-        """Return True if backup map is needed."""
-        return MAP_BACKUP in self._system_data[addon][ATTR_MAP]
+        return volumes
 
     def path_data(self, addon):
         """Return addon data path inside supervisor."""

hassio/addons/validate.py

@@ -4,9 +4,12 @@ import voluptuous as vol
 from ..const import (
     ATTR_NAME, ATTR_VERSION, ATTR_SLUG, ATTR_DESCRIPTON, ATTR_STARTUP,
     ATTR_BOOT, ATTR_MAP, ATTR_OPTIONS, ATTR_PORTS, STARTUP_ONCE, STARTUP_AFTER,
-    STARTUP_BEFORE, BOOT_AUTO, BOOT_MANUAL, ATTR_SCHEMA, ATTR_IMAGE, MAP_SSL,
-    MAP_CONFIG, MAP_ADDONS, MAP_BACKUP, ATTR_URL, ATTR_MAINTAINER, ATTR_ARCH,
-    ARCH_ARMHF, ARCH_AARCH64, ARCH_AMD64, ARCH_I386, ATTR_DEVICES)
+    STARTUP_BEFORE, BOOT_AUTO, BOOT_MANUAL, ATTR_SCHEMA, ATTR_IMAGE,
+    ATTR_URL, ATTR_MAINTAINER, ATTR_ARCH, ATTR_DEVICES, ARCH_ARMHF,
+    ARCH_AARCH64, ARCH_AMD64, ARCH_I386)
+
+
+MAP_VOLUME = r"^(config|ssl|addons|backup)(:rw|:ro)?$"
 
 V_STR = 'str'
 V_INT = 'int'
@@ -35,9 +38,7 @@ SCHEMA_ADDON_CONFIG = vol.Schema({
         vol.In([BOOT_AUTO, BOOT_MANUAL]),
     vol.Optional(ATTR_PORTS): dict,
     vol.Optional(ATTR_DEVICES): [vol.Match(r"(.*):(.*):(rwm|rw|rm)")],
-    vol.Optional(ATTR_MAP, default=[]): [
-        vol.In([MAP_CONFIG, MAP_SSL, MAP_ADDONS, MAP_BACKUP])
-    ],
+    vol.Optional(ATTR_MAP, default=[]): [vol.Match(MAP_VOLUME)],
     vol.Required(ATTR_OPTIONS): dict,
     vol.Required(ATTR_SCHEMA): {
         vol.Coerce(str): vol.Any(ADDON_ELEMENT, [

hassio/dock/addon.py

@@ -7,7 +7,7 @@ import docker
 
 from . import DockerBase
 from .util import dockerfile_template
-from ..const import META_ADDON
+from ..const import META_ADDON, MAP_CONFIG, MAP_SSL, MAP_ADDONS, MAP_BACKUP
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -35,28 +35,30 @@ class DockerAddon(DockerBase):
                 'bind': '/data', 'mode': 'rw'
             }}
 
-        if self.addons_data.map_config(self.addon):
+        addon_mapping = self.addons_data.map_volumes(self.addon)
+
+        if MAP_CONFIG in addon_mapping:
             volumes.update({
                 str(self.config.path_extern_config): {
-                    'bind': '/config', 'mode': 'rw'
+                    'bind': '/config', 'mode': addon_mapping[MAP_CONFIG]
                 }})
 
-        if self.addons_data.map_ssl(self.addon):
+        if MAP_SSL in addon_mapping:
             volumes.update({
                 str(self.config.path_extern_ssl): {
-                    'bind': '/ssl', 'mode': 'rw'
+                    'bind': '/ssl', 'mode': addon_mapping[MAP_SSL]
                 }})
 
-        if self.addons_data.map_addons(self.addon):
+        if MAP_ADDONS in addon_mapping:
             volumes.update({
                 str(self.config.path_extern_addons_local): {
-                    'bind': '/addons', 'mode': 'rw'
+                    'bind': '/addons', 'mode': addon_mapping[MAP_ADDONS]
                 }})
 
-        if self.addons_data.map_backup(self.addon):
+        if MAP_BACKUP in addon_mapping:
             volumes.update({
                 str(self.config.path_extern_backup): {
-                    'bind': '/backup', 'mode': 'rw'
+                    'bind': '/backup', 'mode': addon_mapping[MAP_BACKUP]
                 }})
 
         return volumes