diff options
Diffstat (limited to 'src/lib/Bcfg2/Server/Plugins/SSHbase.py')
| -rw-r--r-- | src/lib/Bcfg2/Server/Plugins/SSHbase.py | 83 |
1 files changed, 35 insertions, 48 deletions
diff --git a/src/lib/Bcfg2/Server/Plugins/SSHbase.py b/src/lib/Bcfg2/Server/Plugins/SSHbase.py index 2deea5f07..f3f711b77 100644 --- a/src/lib/Bcfg2/Server/Plugins/SSHbase.py +++ b/src/lib/Bcfg2/Server/Plugins/SSHbase.py @@ -5,27 +5,18 @@ import os import sys import socket import shutil -import logging import tempfile -from itertools import chain -from subprocess import Popen, PIPE +import Bcfg2.Options import Bcfg2.Server.Plugin +from itertools import chain +from Bcfg2.Utils import Executor from Bcfg2.Server.Plugin import PluginExecutionError from Bcfg2.Compat import any, u_str, b64encode # pylint: disable=W0622 -LOGGER = logging.getLogger(__name__) - class KeyData(Bcfg2.Server.Plugin.SpecificData): """ class to handle key data for HostKeyEntrySet """ - def __init__(self, name, specific, encoding): - Bcfg2.Server.Plugin.SpecificData.__init__(self, - name, - specific, - encoding) - self.encoding = encoding - def __lt__(self, other): return self.name < other.name @@ -42,19 +33,20 @@ class KeyData(Bcfg2.Server.Plugin.SpecificData): entry.text = b64encode(self.data) else: try: - entry.text = u_str(self.data, self.encoding) + entry.text = u_str(self.data, Bcfg2.Options.setup.encoding) except UnicodeDecodeError: msg = "Failed to decode %s: %s" % (entry.get('name'), sys.exc_info()[1]) - LOGGER.error(msg) - LOGGER.error("Please verify you are using the proper encoding") + self.logger.error(msg) + self.logger.error("Please verify you are using the proper " + "encoding") raise Bcfg2.Server.Plugin.PluginExecutionError(msg) except ValueError: msg = "Error in specification for %s: %s" % (entry.get('name'), sys.exc_info()[1]) - LOGGER.error(msg) - LOGGER.error("You need to specify base64 encoding for %s" % - entry.get('name')) + self.logger.error(msg) + self.logger.error("You need to specify base64 encoding for %s" + % entry.get('name')) raise Bcfg2.Server.Plugin.PluginExecutionError(msg) if entry.text in ['', None]: entry.set('empty', 'true') @@ -63,17 +55,12 @@ class KeyData(Bcfg2.Server.Plugin.SpecificData): class HostKeyEntrySet(Bcfg2.Server.Plugin.EntrySet): """ EntrySet to handle all kinds of host keys """ def __init__(self, basename, path): - if basename.startswith("ssh_host_key"): - encoding = "base64" - else: - encoding = None - Bcfg2.Server.Plugin.EntrySet.__init__(self, basename, path, KeyData, - encoding) + Bcfg2.Server.Plugin.EntrySet.__init__(self, basename, path, KeyData) self.metadata = {'owner': 'root', 'group': 'root', 'type': 'file'} - if encoding is not None: - self.metadata['encoding'] = encoding + if basename.startswith("ssh_host_key"): + self.metadata['encoding'] = "base64" if basename.endswith('.pub'): self.metadata['mode'] = '0644' else: @@ -84,7 +71,7 @@ class KnownHostsEntrySet(Bcfg2.Server.Plugin.EntrySet): """ EntrySet to handle the ssh_known_hosts file """ def __init__(self, path): Bcfg2.Server.Plugin.EntrySet.__init__(self, "ssh_known_hosts", path, - KeyData, None) + KeyData) self.metadata = {'owner': 'root', 'group': 'root', 'type': 'file', @@ -92,7 +79,6 @@ class KnownHostsEntrySet(Bcfg2.Server.Plugin.EntrySet): class SSHbase(Bcfg2.Server.Plugin.Plugin, - Bcfg2.Server.Plugin.Caching, Bcfg2.Server.Plugin.Generator, Bcfg2.Server.Plugin.PullTarget): """ @@ -126,7 +112,6 @@ class SSHbase(Bcfg2.Server.Plugin.Plugin, def __init__(self, core, datastore): Bcfg2.Server.Plugin.Plugin.__init__(self, core, datastore) - Bcfg2.Server.Plugin.Caching.__init__(self) Bcfg2.Server.Plugin.Generator.__init__(self) Bcfg2.Server.Plugin.PullTarget.__init__(self) self.ipcache = {} @@ -137,7 +122,8 @@ class SSHbase(Bcfg2.Server.Plugin.Plugin, # do so once self.badnames = dict() - core.fam.AddMonitor(self.data, self) + self.fam = Bcfg2.Server.FileMonitor.get_fam() + self.fam.AddMonitor(self.data, self) self.static = dict() self.entries = dict() @@ -150,9 +136,7 @@ class SSHbase(Bcfg2.Server.Plugin.Plugin, self.entries["/etc/ssh/" + keypattern] = \ HostKeyEntrySet(keypattern, self.data) self.Entries['Path']["/etc/ssh/" + keypattern] = self.build_hk - - def expire_cache(self, key=None): - self.__skn = False + self.cmd = Executor() def get_skn(self): """Build memory cache of the ssh known hosts file.""" @@ -262,7 +246,7 @@ class SSHbase(Bcfg2.Server.Plugin.Plugin, self.skn = False return - if event.filename in ['info', 'info.xml', ':info']: + if event.filename == 'info.xml': for entry in list(self.entries.values()): entry.handle_event(event) return @@ -284,12 +268,13 @@ class SSHbase(Bcfg2.Server.Plugin.Plugin, (event.filename, action)) def get_ipcache_entry(self, client): - """Build a cache of dns results.""" + """ Build a cache of dns results. """ if client in self.ipcache: if self.ipcache[client]: return self.ipcache[client] else: - raise socket.gaierror + raise PluginExecutionError("No cached IP address for %s" % + client) else: # need to add entry try: @@ -298,14 +283,17 @@ class SSHbase(Bcfg2.Server.Plugin.Plugin, self.ipcache[client] = (ipaddr, client) return (ipaddr, client) except socket.gaierror: - ipaddr = Popen(["getent", "hosts", client], - stdout=PIPE).stdout.read().strip().split() - if ipaddr: - self.ipcache[client] = (ipaddr, client) - return (ipaddr, client) + result = self.cmd.run(["getent", "hosts", client]) + if result.success: + ipaddr = result.stdout.strip().split() + if ipaddr: + self.ipcache[client] = (ipaddr, client) + return (ipaddr, client) self.ipcache[client] = False - self.logger.error("Failed to find IP address for %s" % client) - raise socket.gaierror + msg = "Failed to find IP address for %s: %s" % (client, + result.error) + self.logger(msg) + raise PluginExecutionError(msg) def get_namecache_entry(self, cip): """Build a cache of name lookups from client IP addresses.""" @@ -375,7 +363,7 @@ class SSHbase(Bcfg2.Server.Plugin.Plugin, msg = "%s still not registered" % filename self.logger.error(msg) raise Bcfg2.Server.Plugin.PluginExecutionError(msg) - self.core.fam.handle_events_in_interval(1) + self.fam.handle_events_in_interval(1) tries += 1 try: self.entries[entry.get('name')].bind_entry(entry, metadata) @@ -404,11 +392,10 @@ class SSHbase(Bcfg2.Server.Plugin.Plugin, cmd = ["ssh-keygen", "-q", "-f", temploc, "-N", "", "-t", keytype, "-C", "root@%s" % client] self.debug_log("SSHbase: Running: %s" % " ".join(cmd)) - proc = Popen(cmd, stdout=PIPE, stdin=PIPE) - err = proc.communicate()[1] - if proc.wait(): + result = self.cmd.run(cmd) + if not result.success: raise PluginExecutionError("SSHbase: Error running ssh-keygen: %s" - % err) + % result.error) try: shutil.copy(temploc, fileloc) |