misc: use logging library

dspawn/__init__.py

@@ -6,4 +6,8 @@ container creations, support various network configurations, uses apt-cacher-ng
 if available, and more (note: for zone network setup, please systemctl enable
 systemd-networkd)"""
 
+import logging
+logging.basicConfig(level=logging.DEBUG)
+logger = logging.getLogger(__name__)
+
 __version__ = 0.6

dspawn/cli.py

@@ -1,9 +1,10 @@
 #!/usr/bin/env python
 import os
 import sys
-import dspawn
-from dspawn.container import Machine
 import argparse
+import dspawn
+from dspawn import logger
+from dspawn.container import Machine
 
 
 machinectl_actions = ['list', 'list-images', 'start', 'stop', 'show',
@@ -40,7 +41,7 @@ def main():
     args = parser.parse_args()
 
     if args.address and args.mode == 'private':
-        print('Notice: auto-selecting zone network mode, required with static address')
+        logger.info('Notice: auto-selecting zone network mode, required with static address')
         args.mode = 'zone'
 
     if args.action == 'create' or args.action == 'config':

dspawn/container.py

@@ -2,6 +2,7 @@
 import os
 import glob
 import apt
+from dspawn import logger
 from dspawn.netconf import MachineConfig
 
 
@@ -80,7 +81,7 @@ class Machine(object):
 
     def create(self):
         if self.exist():
-            print('container "%s" already exists' % self.name)
+            logger.warning('container "%s" already exists' % self.name)
             self.start()
             return
 
@@ -88,7 +89,7 @@ class Machine(object):
         if not model.exist():
             model._create()
 
-        print('copying base model %s to %s' % (model.path, self.path))
+        logger.debug('copying base model %s to %s' % (model.path, self.path))
         # shutil.copytree(model.path, self.path, symlinks=True)
         os.system('cp -r %s %s' % (model.path, self.path))
         self.copy_keys()
@@ -97,10 +98,10 @@ class Machine(object):
         self.start()
 
     def _create(self):
-        print('creating base model %s' % self.path)
+        logger.info('creating base model %s' % self.path)
         if use_aptcacherng():
             env = 'http_proxy=http://localhost:3142 '
-            print('Found apt-cacher-ng process, using it (%s)' % env)
+            logger.info('Found apt-cacher-ng process, using it (%s)' % env)
         else:
             env = ''
         bootstrap = '%sdebootstrap %s %s %s' % (
@@ -111,7 +112,7 @@ class Machine(object):
         os.system('rm -r %s/var/lib/apt/lists/*' % self.path)
 
     def chroot(self, command):
-        print('in chroot: %s' % command)
+        logger.debug('in chroot: %s' % command)
         cmd = "chroot %s /bin/bash -c '%s'" % (self.path, command)
         os.system(cmd)