more packager.io fixe (#339)

- fix postgresql package name for sles12
- configure postgresql on centos to accept username/password logins

.pkgr.yml

@@ -19,7 +19,7 @@ targets:
   sles-12:
     dependencies:
       - nginx
-      - postgresql
+      - postgresql-server
 before:
   - uname -a
   - ruby -v

contrib/packager.io/postinstall.sh

@@ -40,8 +40,17 @@ else
 	echo "preparing postgresql server"
 	postgresql-setup initdb
 	
+	echo "backuping postgres config"
+	test -f /var/lib/pgsql/data/pg_hba.conf.bak || cp /var/lib/pgsql/data/pg_hba.conf /var/lib/pgsql/data/pg_hba.conf.bak
+
+	"allow login via username and password in postgresql"
+	egrep -v "^#.*$" < /var/lib/pgsql/data/pg_hba.conf.bak | sed 's/ident/trust/g' > /var/lib/pgsql/data/pg_hba.conf
+
 	echo "restarting postgresql server"
 	${INIT_CMD} restart postgresql
+
+	echo "create postgresql bootstart"
+	${INIT_CMD} enable postgresql.service
     fi
 
     # create database