Add configurable dsn for postgres connection

CHANGELOG

@@ -1,3 +1,5 @@
+* 0.2.3
+	- Use dsn and config for keystore database settings
 * 0.2.2
 	- Use confini for configurations
 * 0.2.1

config/database.ini

@@ -0,0 +1,6 @@
+[database]
+NAME=cic-signer
+USER=postgres
+PASSWORD=
+HOST=localhost
+PORT=5432

crypto_dev_signer/keystore/postgres.py

@@ -6,6 +6,7 @@ import base64
 from cryptography.fernet import Fernet
 import psycopg2
 from psycopg2 import sql
+from psycopg2.extensions import make_dsn
 import sha3
 
 # local imports
@@ -34,8 +35,9 @@ class ReferenceKeystore(Keystore):
 """,
     ]
 
-        def __init__(self, dbname, **kwargs):
-            self.conn = psycopg2.connect('dbname=' + dbname)
+        def __init__(self, dsn, **kwargs):
+            logg.debug('dsn {}'.format(dsn))
+            self.conn = psycopg2.connect(make_dsn(dsn))
             self.cur = self.conn.cursor()
             self.symmetric_key = kwargs.get('symmetric_key')
 

scripts/crypto-dev-daemon

@@ -51,6 +51,14 @@ if args.s:
 elif config.get('SIGNER_SOCKET_PATH'):
     socket_path = config.get('SIGNER_SOCKET_PATH')
 
+# connect to database
+dsn = 'postgresql://{}:{}@{}:{}/{}'.format(
+        config.get('DATABASE_USER'),
+        config.get('DATABASE_PASSWORD'),
+        config.get('DATABASE_HOST'),
+        config.get('DATABASE_PORT'),
+        config.get('DATABASE_NAME'),    
+    )
 
 class MissingSecretError(BaseException):
 
@@ -194,7 +202,8 @@ def init():
             'symmetric_key': secret,
             }
     #db = ReferenceKeystore(os.environ.get('SIGNER_DATABASE', 'cic_signer'), **kw)
-    db = ReferenceKeystore(config.get('SIGNER_DATABASE'), **kw)
+    #db = ReferenceKeystore(config.get('SIGNER_DATABASE'), **kw)
+    db = ReferenceKeystore(dsn, **kw)
     signer = ReferenceSigner(db)
 
 

setup.py

@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
         name="crypto-dev-signer",
-        version="0.2.2",
+        version="0.2.3",
         description="A signer and keystore daemon and library for cryptocurrency software development",
         author="Louis Holbrook",
         author_email="dev@holbrook.no",