Install fix

NOTES → README.md

 NOTES - aka, mivel lehet szivni...
+Agent = python3 
 
 __INSTALL__
-* adott egy bootstrap script, ami minden szukseges elokeszuletet megcsinal, ami az agens mukodesehez kell:
- + alap csomagokat telepit fel
- + konyvtarakat hoz letre
- + usereket hoz letre es allit be
- + letolti az agent forrasat
- + felpatcheli az rc-t
- + telepiti az agenst
-
+ * cd /root
+ * mkvirtualenv agent
+ * workon agent
+ * git clone https://git.ik.bme.hu/CIRCLE3/agent.git
+ * cd agent
+ * python agent.py
+ 
 __RC.D__
-* minden egyes circle_agent altal eszkozolt beallitas a /etc/rc.conf.d/-ben talalhato egy kulon file alatt
-* a FreeBSD-s rc.subr az agent telepitesekor modositasra kerul, mivel alapbol a partial config file-ok kezelese agyhalal es nem logikus
-* az interface beallitasok a /etc/rc.conf.d/ifconfig_IFNAME alatt talalhatok
-* az agent daemon-kent fut
+ * nem tamogatott
+
+__SYSTEMD__
+ * bemasolja az agent.service-t  /etc/systemd-be
+ * bemasolja a vm_renewal-t a /usr/bin/-be es engedélyezi, de nem indítja el
 
 __SMBFS__
 * mindenhol case insensitive, kiveve a /etc/nsmb.conf-ban es a ~/.nsmbrc-ben, itt a userneveket szigoruan upper-case kell irni
@@ -26,7 +27,7 @@ __ROUTING__
 * {ipv6_,}defaultrouter-eket kell beallitani
 
 __USER__
-* a cloud es a root felhasznalo ugyan azt a jelszot birtokolja minden idoben
+* a cloud es a root felhasznalo ugyanazt a jelszot birtokolja minden idoben
 * a passwd update mindket felhasznalora hatassal van
 
 __SERIAL__

agent.py

@@ -2,24 +2,38 @@
 # -*- coding: utf-8 -*-
 
 from os import environ, chdir
+import logging
 import platform
 import subprocess
 import sys
+from utils import copy_file
 
+logging.basicConfig(
+    format="[%(asctime)s] %(levelname)s [agent %(process)d/%(thread)d] %(module)s.%(funcName)s:%(lineno)d] %(message)s",
+    datefmt="%d/%b/%Y %H:%M:%S",
+    )
+logger = logging.getLogger()
+level = environ.get('LOGLEVEL', 'INFO')
+logger.setLevel(level)
 
 system = platform.system()  # noqa
+logger.debug("system:%s", system)
 
 if system == "Linux" or system == "FreeBSD":  # noqa
+    logger.debug("system:%s", system)
     try:  # noqa
         chdir(sys.path[0])  # noqa
         subprocess.call(('pip', 'install', '-r', 'requirements/linux.txt'))  # noqa
-    except Exception:  # noqa
+        copy_file("misc/vm_renewal", "/usr/bin/vm_renewal", mode=0o755)
+        if copy_file("misc/agent.service", "/etc/systemd/system/agent.service"):
+            subprocess.call(('systemctl', 'enable',  'agent'))
+    except Exception as e:  # noqa
+        logger.exception("Unhandled exeption: %s", e)
         pass  # hope it works  # noqa
 
 from twisted.internet import reactor, defer
 from twisted.internet.task import LoopingCall
 import uptime
-import logging
 from inspect import getargs, isfunction
 from utils import SerialLineReceiverBase
 
@@ -43,15 +57,6 @@ except ImportError:
 
 Context = get_context()
 
-logging.basicConfig(
-    format="[%(asctime)s] %(levelname)s [agent %(process)d/%(thread)d] %(module)s.%(funcName)s:%(lineno)d] %(message)s",
-    datefmt="%d/%b/%Y %H:%M:%S",
-    )
-logger = logging.getLogger()
-level = environ.get('LOGLEVEL', 'DEBUG')
-logger.setLevel(level)
-
-
 class SerialLineReceiver(SerialLineReceiverBase):
 
     def __init__(self):

context.py

@@ -54,7 +54,7 @@ def get_serial():
     elif system == "Linux":
         port = "/dev/virtio-ports/agent"
         try:
-            print("Open!")
+            logger.debug("Open!")
             open(port, 'r').close()
         except (OSError, IOError) as e:
             print(e) 

misc/agent.conf

@@ -10,6 +10,7 @@ respawn limit 30 30
 script
     cd /root/agent
     . /root/.virtualenvs/agent/bin/activate
+    . /root/.virtualenvs/agent/bin/postactivate
     python agent.py
 
 end script

misc/agent.service

@@ -4,7 +4,7 @@ Description=CIRCLE agent
 Before=network.target
 
 [Service]
-ExecStart=/bin/bash -c "cd /root/agent; . /root/.virtualenvs/agent/bin/activate; python agent.py"
+ExecStart=/bin/bash -c "cd /root/agent; . /root/.virtualenvs/agent/bin/activate; . /root/.virtualenvs/agent/bin/postactivate; python agent.py"
 Restart=always
 
 

misc/vm_renewal

 #!/bin/bash
 
-sudo bash -c "source /root/.virtualenvs/agent/bin/activate; source /root/.virtualenvs/agent/bin/postactivate 2>/dev/null; cd /root/agent; ./vm_renewal"
+sudo bash -c "source /root/.virtualenvs/agent/bin/activate; source /root/.virtualenvs/agent/bin/postactivate; /root/agent/vm_renewal"

utils.py

@@ -2,6 +2,8 @@ from twisted.protocols.basic import LineReceiver
 import json
 import logging
 import platform
+from os import chmod
+from shutil import copyfile
 
 try:
     # Python 2: "unicode" is built-in
@@ -24,7 +26,7 @@ class SerialLineReceiverBase(LineReceiver, object):
         super(SerialLineReceiverBase, self).__init__(*args, **kwargs)
 
     def send_response(self, response, args):
-#        logger.debug("send_response %s %s" % (response, args))
+        logger.debug("send_response %s %s" % (response, args))
         self.transport.write(json.dumps({'response': response,
                                          'args': args}) + '\r\n')
 
@@ -67,3 +69,27 @@ class SerialLineReceiverBase(LineReceiver, object):
             logger.debug('received reply: %s (%s)' % (response, args))
             self.clearLineBuffer()
             self.handle_response(response, args)
+
+
+def copy_file(src, dst, overw=False, mode=None):
+    exists = False
+    copyed = False
+    try: 
+        open(dst, 'r').close()
+        exists = True
+    except FileNotFoundError: 
+        pass
+
+    try:
+        if not exists or overw:
+            copyfile(src, dst)
+            copyed = True
+            logger.debug('copy_file:(%s, %s, %s, %s)' % (src, dst, overw, mode))
+        if mode != None:
+            chmod(dst, mode)
+            logger.debug('chmod:(%s, %s)' % (dst, mode))
+    except Exception as e:
+           logger.exception('Unhandled %s during copy_file:(%s, %s, %s, %s)' % (e, src, dst, overw, mode))
+
+    return copyed
+