111 lines
3.5 KiB
Python
111 lines
3.5 KiB
Python
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#!/usr/bin/env python3
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import json
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import os
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import re
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import socket
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import subprocess
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##
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import hvac
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import psutil
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##
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from . import serverconf
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from . import vauptpassconf
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_url_re = re.compile(r'^(?P<proto>https?)://(?P<addr>[^:/]+)(:(?P<port>[0-9]+)?)?(?P<path>/.*)?$')
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class VaultSpawner(object):
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client = hvac.Client()
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binary_name = 'vault'
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def __init__(self, conf, genconf = True, is_dev = False):
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self.conf = conf
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self.genconf = genconf
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self.pid = None
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self.process = None
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self._parseConf()
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def _getProcess(self):
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processes = [p for p in psutil.process_iter() if p.name() == self.binary_name]
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if not processes:
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self.process = None
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self.pid = None
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return(None)
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r = _url_re.search(self.client.url)
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if not r:
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raise ValueError('Invalid server URL')
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try:
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port = int(r.groupdict().get('port', 8200))
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except ValueError:
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port = 8200
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ip = socket.gethostbyname(r.groupdict('addr'))
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pids = []
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# First we try the easy way, but requires root privs even if you ran vault as your current user.
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has_priv = True
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for p in processes:
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pids.append(p)
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try:
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p_port = p.connections()
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except (psutil.AccessDenied, psutil.AccessDenied):
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has_priv = False
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break
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if not has_priv:
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conns = [c for c in psutil.net_connections() if c.laddr.port == port and c.laddr.ip == ip]
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if not conns:
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self.process = None
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self.pid = None
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return(None)
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for c in conns:
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if not c.pid:
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continue
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if c.pid in pids:
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self.pid = c.pid
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self.process = psutil.Process(pid = self.pid)
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if not all((self.process, self.pid)):
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if len(conns) == 1 and len(pids) == 1:
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self.process = pids[0]
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self.pid = self.process.pid
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else:
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raise RuntimeError('Could not reliably determine which Vault instance to manage')
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def _parseConf(self):
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is_hcl = False
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rawconf = None
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if not self.conf:
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if os.path.isfile(serverconf.conf_file):
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self.conf = serverconf.conf_file
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else:
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# Use the default.
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self.genconf = True
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self.conf = serverconf.default_conf
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elif not isinstance(self.conf, dict):
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# Assume it's a file.
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self.conf = os.path.abspath(os.path.expanduser(self.conf))
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with open(self.conf, 'r') as fh:
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rawconf = fh.read()
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try:
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self.conf = json.loads(rawconf)
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except json.decoder.JSONDecodeError:
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is_hcl = True # It's probably HCL.
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if is_hcl:
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self.conf = serverconf.parseHCL(rawconf)
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if self.genconf:
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serverconf.genConf(confdict = self.conf)
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listener = self.conf['listener'][0]['tcp']
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addr = listener['address']
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is_tls = listener.get('tls_disable', False)
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url = '{0}://{1}'.format(('https' if is_tls else 'http'), addr)
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if not _url_re.search(url):
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raise ValueError('Invalid server address')
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self.client.url = url
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return(None)
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def start(self):
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if any((self.pid, self.process)):
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# Already started.
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return(None)
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