490 lines
16 KiB
Python
490 lines
16 KiB
Python
#
|
|
# Copyright (C) 2006, 2013 Red Hat, Inc.
|
|
# Copyright (C) 2006 Daniel P. Berrange <berrange@redhat.com>
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
# MA 02110-1301 USA.
|
|
#
|
|
|
|
import glob
|
|
import os
|
|
import logging
|
|
import socket
|
|
|
|
from gi.repository import Gio
|
|
from gi.repository import GObject
|
|
from gi.repository import Gtk
|
|
|
|
from . import uiutil
|
|
from .baseclass import vmmGObjectUI
|
|
|
|
(HV_QEMU,
|
|
HV_XEN,
|
|
HV_LXC,
|
|
HV_QEMU_SESSION,
|
|
HV_BHYVE) = range(5)
|
|
|
|
(CONN_SSH,
|
|
CONN_TCP,
|
|
CONN_TLS) = range(3)
|
|
|
|
|
|
def current_user():
|
|
try:
|
|
import getpass
|
|
return getpass.getuser()
|
|
except:
|
|
return ""
|
|
|
|
|
|
def default_conn_user(conn):
|
|
if conn == CONN_SSH:
|
|
return "root"
|
|
return current_user()
|
|
|
|
|
|
class vmmConnect(vmmGObjectUI):
|
|
__gsignals__ = {
|
|
"completed": (GObject.SignalFlags.RUN_FIRST, None, [str, bool]),
|
|
"cancelled": (GObject.SignalFlags.RUN_FIRST, None, []),
|
|
}
|
|
|
|
def __init__(self):
|
|
vmmGObjectUI.__init__(self, "connect.ui", "vmm-open-connection")
|
|
|
|
self.builder.connect_signals({
|
|
"on_hypervisor_changed": self.hypervisor_changed,
|
|
"on_transport_changed": self.transport_changed,
|
|
"on_hostname_combo_changed": self.hostname_combo_changed,
|
|
"on_connect_remote_toggled": self.connect_remote_toggled,
|
|
"on_username_entry_changed": self.username_changed,
|
|
"on_hostname_changed": self.hostname_changed,
|
|
|
|
"on_cancel_clicked": self.cancel,
|
|
"on_connect_clicked": self.open_conn,
|
|
"on_vmm_open_connection_delete_event": self.cancel,
|
|
})
|
|
|
|
self.browser = None
|
|
self.browser_sigs = []
|
|
|
|
# Set this if we can't resolve 'hostname.local': means avahi
|
|
# prob isn't configured correctly, and we should strip .local
|
|
self.can_resolve_local = None
|
|
|
|
# Plain hostname resolve failed, means we should just use IP addr
|
|
self.can_resolve_hostname = None
|
|
|
|
self.set_initial_state()
|
|
|
|
try:
|
|
self.dbus = Gio.bus_get_sync(Gio.BusType.SYSTEM, None)
|
|
self.avahiserver = Gio.DBusProxy.new_sync(self.dbus, 0, None,
|
|
"org.freedesktop.Avahi", "/",
|
|
"org.freedesktop.Avahi.Server", None)
|
|
|
|
# Call any API, so we detect if avahi is even available or not
|
|
self.avahiserver.GetAPIVersion()
|
|
logging.debug("Connected to avahi")
|
|
except Exception, e:
|
|
self.dbus = None
|
|
self.avahiserver = None
|
|
logging.debug("Couldn't contact avahi: %s", str(e))
|
|
|
|
self.reset_state()
|
|
|
|
@staticmethod
|
|
def default_uri():
|
|
if os.path.exists('/var/lib/xen'):
|
|
if (os.path.exists('/dev/xen/evtchn') or
|
|
os.path.exists("/proc/xen")):
|
|
return 'xen:///'
|
|
|
|
if (os.path.exists("/usr/bin/qemu") or
|
|
os.path.exists("/usr/bin/qemu-kvm") or
|
|
os.path.exists("/usr/bin/kvm") or
|
|
os.path.exists("/usr/libexec/qemu-kvm") or
|
|
glob.glob("/usr/bin/qemu-system-*")):
|
|
return "qemu:///system"
|
|
|
|
if (os.path.exists("/usr/lib/libvirt/libvirt_lxc") or
|
|
os.path.exists("/usr/lib64/libvirt/libvirt_lxc")):
|
|
return "lxc:///"
|
|
return None
|
|
|
|
def cancel(self, ignore1=None, ignore2=None):
|
|
logging.debug("Cancelling open connection")
|
|
self.close()
|
|
self.emit("cancelled")
|
|
return 1
|
|
|
|
def close(self, ignore1=None, ignore2=None):
|
|
logging.debug("Closing open connection")
|
|
self.topwin.hide()
|
|
|
|
if self.browser:
|
|
for obj, sig in self.browser_sigs:
|
|
obj.disconnect(sig)
|
|
self.browser_sigs = []
|
|
self.browser = None
|
|
|
|
|
|
def show(self, parent, reset_state=True):
|
|
logging.debug("Showing open connection")
|
|
if reset_state:
|
|
self.reset_state()
|
|
self.topwin.set_transient_for(parent)
|
|
self.topwin.present()
|
|
self.start_browse()
|
|
|
|
def _cleanup(self):
|
|
pass
|
|
|
|
def set_initial_state(self):
|
|
self.widget("connect").grab_default()
|
|
|
|
combo = self.widget("hypervisor")
|
|
# [connection ID, label]
|
|
model = Gtk.ListStore(int, str)
|
|
|
|
def _add_hv_row(rowid, config_name, label):
|
|
if (not self.config.default_hvs or
|
|
config_name in self.config.default_hvs):
|
|
model.append([rowid, label])
|
|
|
|
_add_hv_row(HV_QEMU, "qemu", "QEMU/KVM")
|
|
_add_hv_row(HV_QEMU_SESSION, "qemu", "QEMU/KVM user session")
|
|
_add_hv_row(HV_XEN, "xen", "Xen")
|
|
_add_hv_row(HV_LXC, "lxc", "LXC (Linux Containers)")
|
|
_add_hv_row(HV_BHYVE, "bhyve", "Bhyve")
|
|
combo.set_model(model)
|
|
uiutil.init_combo_text_column(combo, 1)
|
|
|
|
combo = self.widget("transport")
|
|
model = Gtk.ListStore(str)
|
|
model.append(["SSH"])
|
|
model.append(["TCP (SASL, Kerberos)"])
|
|
model.append(["SSL/TLS with certificates"])
|
|
combo.set_model(model)
|
|
uiutil.init_combo_text_column(combo, 0)
|
|
|
|
# Hostname combo box entry
|
|
hostListModel = Gtk.ListStore(str, str, str)
|
|
host = self.widget("hostname")
|
|
host.set_model(hostListModel)
|
|
host.set_entry_text_column(2)
|
|
hostListModel.set_sort_column_id(2, Gtk.SortType.ASCENDING)
|
|
|
|
def reset_state(self):
|
|
self.set_default_hypervisor()
|
|
self.widget("transport").set_active(0)
|
|
self.widget("autoconnect").set_sensitive(True)
|
|
self.widget("autoconnect").set_active(True)
|
|
self.widget("hostname").get_model().clear()
|
|
self.widget("hostname").get_child().set_text("")
|
|
self.widget("connect-remote").set_active(False)
|
|
self.widget("username-entry").set_text("")
|
|
self.connect_remote_toggled(self.widget("connect-remote"))
|
|
self.populate_uri()
|
|
|
|
def is_remote(self):
|
|
# Whether user is requesting a remote connection
|
|
return self.widget("connect-remote").get_active()
|
|
|
|
def set_default_hypervisor(self):
|
|
default = self.default_uri()
|
|
if not default or default.startswith("qemu"):
|
|
uiutil.set_list_selection(self.widget("hypervisor"), HV_QEMU)
|
|
elif default.startswith("xen"):
|
|
uiutil.set_list_selection(self.widget("hypervisor"), HV_XEN)
|
|
|
|
def add_service(self, interface, protocol, name, typ, domain, flags):
|
|
ignore = flags
|
|
try:
|
|
# Async service resolving
|
|
res = self.avahiserver.ServiceResolverNew("(iisssiu)",
|
|
interface, protocol,
|
|
name, typ, domain, -1, 0)
|
|
resint = Gio.DBusProxy.new_sync(self.dbus, 0, None,
|
|
"org.freedesktop.Avahi", res,
|
|
"org.freedesktop.Avahi.ServiceResolver",
|
|
None)
|
|
|
|
def cb(proxy, sender, signal, args):
|
|
ignore = proxy
|
|
ignore = sender
|
|
if signal == "Found":
|
|
self.add_conn_to_list(*args)
|
|
|
|
sig = resint.connect("g-signal", cb)
|
|
self.browser_sigs.append((resint, sig))
|
|
except Exception, e:
|
|
logging.exception(e)
|
|
|
|
def remove_service(self, interface, protocol, name, typ, domain, flags):
|
|
ignore = domain
|
|
ignore = protocol
|
|
ignore = flags
|
|
ignore = interface
|
|
ignore = typ
|
|
|
|
try:
|
|
model = self.widget("hostname").get_model()
|
|
name = str(name)
|
|
for row in model:
|
|
if row[0] == name:
|
|
model.remove(row.iter)
|
|
except Exception, e:
|
|
logging.exception(e)
|
|
|
|
def add_conn_to_list(self, interface, protocol, name, typ, domain,
|
|
host, aprotocol, address, port, text, flags):
|
|
ignore = domain
|
|
ignore = protocol
|
|
ignore = flags
|
|
ignore = interface
|
|
ignore = typ
|
|
ignore = text
|
|
ignore = aprotocol
|
|
ignore = port
|
|
|
|
try:
|
|
model = self.widget("hostname").get_model()
|
|
for row in model:
|
|
if row[2] == str(name):
|
|
# Already present in list
|
|
return
|
|
|
|
host = self.sanitize_hostname(str(host))
|
|
model.append([str(address), str(host), str(name)])
|
|
except Exception, e:
|
|
logging.exception(e)
|
|
|
|
def start_browse(self):
|
|
if self.browser or not self.avahiserver:
|
|
return
|
|
# Call method to create new browser, and get back an object path for it.
|
|
interface = -1 # physical interface to use? -1 is unspec
|
|
protocol = 0 # 0 = IPv4, 1 = IPv6, -1 = Unspecified
|
|
service = '_libvirt._tcp' # Service name to poll for
|
|
flags = 0 # Extra option flags
|
|
domain = "" # Domain to browse in. NULL uses default
|
|
bpath = self.avahiserver.ServiceBrowserNew("(iissu)",
|
|
interface, protocol,
|
|
service, domain, flags)
|
|
|
|
# Create browser interface for the new object
|
|
self.browser = Gio.DBusProxy.new_sync(self.dbus, 0, None,
|
|
"org.freedesktop.Avahi", bpath,
|
|
"org.freedesktop.Avahi.ServiceBrowser",
|
|
None)
|
|
|
|
def cb(proxy, sender, signal, args):
|
|
ignore = proxy
|
|
ignore = sender
|
|
if signal == "ItemNew":
|
|
self.add_service(*args)
|
|
elif signal == "ItemRemove":
|
|
self.remove_service(*args)
|
|
|
|
self.browser_sigs.append((self.browser,
|
|
self.browser.connect("g-signal", cb)))
|
|
|
|
def hostname_combo_changed(self, src):
|
|
model = src.get_model()
|
|
txt = src.get_child().get_text()
|
|
row = None
|
|
|
|
for currow in model:
|
|
if currow[2] == txt:
|
|
row = currow
|
|
break
|
|
|
|
if not row:
|
|
return
|
|
|
|
ip = row[0]
|
|
host = row[1]
|
|
entry = host
|
|
if not entry:
|
|
entry = ip
|
|
|
|
self.widget("hostname").get_child().set_text(entry)
|
|
|
|
def hostname_changed(self, src_ignore):
|
|
self.populate_uri()
|
|
|
|
def hypervisor_changed(self, src):
|
|
ignore = src
|
|
hv = uiutil.get_list_selection(self.widget("hypervisor"))
|
|
is_session = (hv == HV_QEMU_SESSION)
|
|
uiutil.set_grid_row_visible(
|
|
self.widget("session-warning-box"), is_session)
|
|
uiutil.set_grid_row_visible(
|
|
self.widget("connect-remote"), not is_session)
|
|
uiutil.set_grid_row_visible(
|
|
self.widget("username-entry"), not is_session)
|
|
uiutil.set_grid_row_visible(
|
|
self.widget("hostname"), not is_session)
|
|
uiutil.set_grid_row_visible(
|
|
self.widget("transport"), not is_session)
|
|
if is_session:
|
|
self.widget("connect-remote").set_active(False)
|
|
self.populate_uri()
|
|
|
|
def username_changed(self, src_ignore):
|
|
self.populate_uri()
|
|
|
|
def connect_remote_toggled(self, src_ignore):
|
|
is_remote = self.is_remote()
|
|
self.widget("hostname").set_sensitive(is_remote)
|
|
self.widget("transport").set_sensitive(is_remote)
|
|
self.widget("autoconnect").set_active(not is_remote)
|
|
self.widget("username-entry").set_sensitive(is_remote)
|
|
|
|
self.populate_default_user()
|
|
self.populate_uri()
|
|
|
|
def transport_changed(self, src_ignore):
|
|
self.populate_default_user()
|
|
self.populate_uri()
|
|
|
|
def populate_uri(self):
|
|
uri = self.generate_uri()
|
|
self.widget("uri-entry").set_text(uri)
|
|
|
|
def populate_default_user(self):
|
|
conn = self.widget("transport").get_active()
|
|
default_user = default_conn_user(conn)
|
|
self.widget("username-entry").set_text(default_user)
|
|
|
|
def generate_uri(self):
|
|
hv = uiutil.get_list_selection(self.widget("hypervisor"))
|
|
conn = self.widget("transport").get_active()
|
|
host = self.widget("hostname").get_child().get_text().strip()
|
|
user = self.widget("username-entry").get_text()
|
|
is_remote = self.is_remote()
|
|
|
|
hvstr = ""
|
|
if hv == HV_XEN:
|
|
hvstr = "xen"
|
|
elif hv == HV_QEMU or hv == HV_QEMU_SESSION:
|
|
hvstr = "qemu"
|
|
elif hv == HV_BHYVE:
|
|
hvstr = "bhyve"
|
|
else:
|
|
hvstr = "lxc"
|
|
|
|
addrstr = ""
|
|
if user:
|
|
addrstr += user + "@"
|
|
addrstr += host
|
|
|
|
hoststr = ""
|
|
if not is_remote:
|
|
hoststr = ":///"
|
|
else:
|
|
if conn == CONN_TLS:
|
|
hoststr = "+tls://"
|
|
if conn == CONN_SSH:
|
|
hoststr = "+ssh://"
|
|
if conn == CONN_TCP:
|
|
hoststr = "+tcp://"
|
|
hoststr += addrstr + "/"
|
|
|
|
uri = hvstr + hoststr
|
|
if hv in (HV_QEMU, HV_BHYVE):
|
|
uri += "system"
|
|
elif hv == HV_QEMU_SESSION:
|
|
uri += "session"
|
|
|
|
return uri
|
|
|
|
def validate(self):
|
|
is_remote = self.is_remote()
|
|
host = self.widget("hostname").get_child().get_text()
|
|
|
|
if is_remote and not host:
|
|
return self.err.val_err(_("A hostname is required for "
|
|
"remote connections."))
|
|
|
|
return True
|
|
|
|
def open_conn(self, ignore):
|
|
if not self.validate():
|
|
return
|
|
|
|
auto = False
|
|
if self.widget("autoconnect").get_sensitive():
|
|
auto = self.widget("autoconnect").get_active()
|
|
uri = self.generate_uri()
|
|
|
|
logging.debug("Generate URI=%s, auto=%s", uri, auto)
|
|
self.close()
|
|
self.emit("completed", uri, auto)
|
|
|
|
def sanitize_hostname(self, host):
|
|
if host == "linux" or host == "localhost":
|
|
host = ""
|
|
if host.startswith("linux-"):
|
|
tmphost = host[6:]
|
|
try:
|
|
long(tmphost)
|
|
host = ""
|
|
except ValueError:
|
|
pass
|
|
|
|
if host:
|
|
host = self.check_resolve_host(host)
|
|
return host
|
|
|
|
def check_resolve_host(self, host):
|
|
# Try to resolve hostname
|
|
#
|
|
# Avahi always uses 'hostname.local', but for some reason
|
|
# fedora 12 out of the box can't resolve '.local' names
|
|
# Attempt to resolve the name. If it fails, remove .local
|
|
# if present, and try again
|
|
if host.endswith(".local"):
|
|
if self.can_resolve_local is False:
|
|
host = host[:-6]
|
|
|
|
elif self.can_resolve_local is None:
|
|
try:
|
|
socket.getaddrinfo(host, None)
|
|
except:
|
|
logging.debug("Couldn't resolve host '%s'. Stripping "
|
|
"'.local' and retrying.", host)
|
|
self.can_resolve_local = False
|
|
host = self.check_resolve_host(host[:-6])
|
|
else:
|
|
self.can_resolve_local = True
|
|
|
|
else:
|
|
if self.can_resolve_hostname is False:
|
|
host = ""
|
|
elif self.can_resolve_hostname is None:
|
|
try:
|
|
socket.getaddrinfo(host, None)
|
|
except:
|
|
logging.debug("Couldn't resolve host '%s'. Disabling "
|
|
"host name resolution, only using IP addr",
|
|
host)
|
|
self.can_resolve_hostname = False
|
|
else:
|
|
self.can_resolve_hostname = True
|
|
|
|
return host
|