This patch against current virt-manager illustrates how the python API is
used in a real world application to support Kerberos, Username/Password,
and PolicyKit authentication
Dan.
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|=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=|
|=- Perl modules: http://search.cpan.org/~danberr/ -=|
|=- Projects: http://freshmeat.net/~danielpb/ -=|
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diff -r 562150b337ba src/virt-manager.py.in
--- a/src/virt-manager.py.in Wed Nov 28 17:58:19 2007 -0500
+++ b/src/virt-manager.py.in Thu Nov 29 12:21:59 2007 -0500
@@ -172,12 +172,9 @@ def show_engine(engine, show, uri, uuid)
if engine.config.get_connections() is None or len(engine.config.get_connections()) == 0:
tryuri = None
if os.path.exists("/var/lib/xend") and os.path.exists("/proc/xen"):
- tryuri = "xen"
+ tryuri = "xen:///"
elif os.path.exists("/usr/bin/qemu"):
- if os.getuid() == 0:
- tryuri = "qemu:///system"
- else:
- tryuri = "qemu:///session"
+ tryuri = "qemu:///system"
if tryuri is not None:
conn = engine.add_connection(tryuri)
engine.show_manager()
diff -r 562150b337ba src/virtManager/connect.py
--- a/src/virtManager/connect.py Wed Nov 28 17:58:19 2007 -0500
+++ b/src/virtManager/connect.py Thu Nov 29 12:21:59 2007 -0500
@@ -28,8 +28,9 @@ HV_QEMU = 1
HV_QEMU = 1
CONN_LOCAL = 0
-CONN_TLS = 1
-CONN_SSH = 2
+CONN_TCP = 1
+CONN_TLS = 2
+CONN_SSH = 3
class vmmConnect(gobject.GObject):
__gsignals__ = {
@@ -95,23 +96,22 @@ class vmmConnect(gobject.GObject):
pass
elif hv == HV_XEN:
if conn == CONN_LOCAL:
- uri = "xen"
- if os.getuid() != 0:
- readOnly = True
+ uri = "xen:///"
elif conn == CONN_TLS:
uri = "xen+tls://" + host + "/"
elif conn == CONN_SSH:
uri = "xen+ssh://root@" + host + "/"
+ elif conn == CONN_TCP:
+ uri = "xen+tcp://" + host + "/"
else:
if conn == CONN_LOCAL:
- if os.getuid() == 0:
- uri = "qemu:///system"
- else:
- uri = "qemu:///session"
+ uri = "qemu:///system"
elif conn == CONN_TLS:
uri = "qemu+tls://" + host + "/system"
elif conn == CONN_SSH:
uri = "qemu+ssh://root@" + host + "/system"
+ elif conn == CONN_TCP:
+ uri = "qemu+tcp://" + host + "/system"
logging.debug("Connection to open is %s" % uri)
self.close()
diff -r 562150b337ba src/virtManager/connection.py
--- a/src/virtManager/connection.py Wed Nov 28 17:58:19 2007 -0500
+++ b/src/virtManager/connection.py Thu Nov 29 12:21:59 2007 -0500
@@ -294,22 +294,97 @@ class vmmConnection(gobject.GObject):
self.connectThread.setDaemon(True)
self.connectThread.start()
+ def _do_creds_polkit(self, action):
+ logging.debug("Doing policykit for %s" % action)
+ bus = dbus.SessionBus()
+ obj = bus.get_object("org.gnome.PolicyKit", "/org/gnome/PolicyKit/Manager")
+ pkit = dbus.Interface(obj, "org.gnome.PolicyKit.Manager")
+ pkit.ShowDialog(action, 0)
+ return 0
+
+ def _do_creds_dialog(self, creds):
+ try:
+ gtk.gdk.threads_enter()
+ return self._do_creds_dialog_main(creds)
+ finally:
+ gtk.gdk.threads_leave()
+
+ def _do_creds_dialog_main(self, creds):
+ dialog = gtk.Dialog("Authentication required", None, 0, (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OK, gtk.RESPONSE_OK))
+ label = []
+ entry = []
+
+ box = gtk.Table(2, len(creds))
+
+ row = 0
+ for cred in creds:
+ if cred[0] == libvirt.VIR_CRED_AUTHNAME or cred[0] == libvirt.VIR_CRED_PASSPHRASE:
+ label.append(gtk.Label(cred[1]))
+ else:
+ return -1
+
+ ent = gtk.Entry()
+ if cred[0] == libvirt.VIR_CRED_PASSPHRASE:
+ ent.set_visibility(False)
+ entry.append(ent)
+
+ box.attach(label[row], 0, 1, row, row+1, 0, 0, 3, 3)
+ box.attach(entry[row], 1, 2, row, row+1, 0, 0, 3, 3)
+ row = row + 1
+
+ vbox = dialog.get_child()
+ vbox.add(box)
+
+ dialog.show_all()
+ res = dialog.run()
+ dialog.hide()
+
+ if res == gtk.RESPONSE_OK:
+ row = 0
+ for cred in creds:
+ cred[4] = entry[row].get_text()
+ row = row + 1
+ dialog.destroy()
+ return 0
+ else:
+ dialog.destroy()
+ return -1
+
+ def _do_creds(self, creds, cbdata):
+ try:
+ if len(creds) == 1 and creds[0][0] == libvirt.VIR_CRED_EXTERNAL and creds[0][2] == "PolicyKit":
+ return self._do_creds_polkit(creds[0][1])
+
+ for cred in creds:
+ if creds[0] == libvirt.VIR_CRED_EXTERNAL:
+ return -1
+
+ return self._do_creds_dialog(creds)
+ except:
+ (type, value, stacktrace) = sys.exc_info ()
+ # Detailed error message, in English so it can be Googled.
+ self.connectError = \
+ ("Failed to get credentials '%s':\n" %
+ str(self.uri)) + \
+ str(type) + " " + str(value) + "\n" + \
+ traceback.format_exc (stacktrace)
+ logging.error(self.connectError)
+ return -1
def _open_thread(self):
logging.debug("Background thread is running")
try:
- if self.readOnly is None:
- try:
- self.vmm = libvirt.open(self.uri)
- self.readOnly = False
- except:
- self.vmm = libvirt.openReadOnly(self.uri)
- self.readOnly = True
- else:
- if self.readOnly:
- self.vmm = libvirt.openReadOnly(self.uri)
- else:
- self.vmm = libvirt.open(self.uri)
+ flags = 0
+ if self.readOnly:
+ flags = libvirt.VIR_CONNECT_RO
+
+ self.vmm = libvirt.openAuth(self.uri,
+ [[libvirt.VIR_CRED_AUTHNAME,
+ libvirt.VIR_CRED_PASSPHRASE,
+ libvirt.VIR_CRED_EXTERNAL],
+ self._do_creds,
+ None], flags)
+
self.state = self.STATE_ACTIVE
except:
self.state = self.STATE_DISCONNECTED
diff -r 562150b337ba src/vmm-open-connection.glade
--- a/src/vmm-open-connection.glade Wed Nov 28 17:58:19 2007 -0500
+++ b/src/vmm-open-connection.glade Thu Nov 29 12:21:59 2007 -0500
@@ -180,6 +180,7 @@
<widget class="GtkComboBox" id="connection">
<property name="visible">True</property>
<property name="items" translatable="yes">Local
+Remote Password or Kerberos
Remote SSL/TLS with x509 certificate
Remote tunnel over SSH</property>
<property name="add_tearoffs">False</property>
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