287 lines
9.1 KiB
Python
287 lines
9.1 KiB
Python
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# Copyright (C) 2006, 2013 Red Hat, Inc.
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# Copyright (C) 2006 Daniel P. Berrange <berrange@redhat.com>
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#
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# This work is licensed under the GNU GPLv2 or later.
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# See the COPYING file in the top-level directory.
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import glob
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import os
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import urllib.parse
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from gi.repository import Gtk
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from virtinst import log
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from .lib import uiutil
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from .baseclass import vmmGObjectUI
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from .connmanager import vmmConnectionManager
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(HV_QEMU,
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HV_XEN,
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HV_LXC,
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HV_QEMU_SESSION,
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HV_BHYVE,
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HV_VZ,
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HV_CUSTOM) = range(7)
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class vmmCreateConn(vmmGObjectUI):
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@classmethod
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def get_instance(cls, parentobj):
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try:
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if not cls._instance:
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cls._instance = vmmCreateConn()
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return cls._instance
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except Exception as e:
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parentobj.err.show_err(
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_("Error launching connect dialog: %s") % str(e))
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@classmethod
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def is_initialized(cls):
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return bool(cls._instance)
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def __init__(self):
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vmmGObjectUI.__init__(self, "createconn.ui", "vmm-open-connection")
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self._cleanup_on_app_close()
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self.builder.connect_signals({
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"on_hypervisor_changed": self.hypervisor_changed,
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"on_connect_remote_toggled": self.connect_remote_toggled,
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"on_username_entry_changed": self.username_changed,
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"on_hostname_changed": self.hostname_changed,
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"on_cancel_clicked": self.cancel,
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"on_connect_clicked": self.open_conn,
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"on_vmm_open_connection_delete_event": self.cancel,
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})
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self.set_initial_state()
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self.reset_state()
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@staticmethod
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def default_uri():
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if os.path.exists('/var/lib/xen'):
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if (os.path.exists('/dev/xen/evtchn') or
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os.path.exists("/proc/xen")):
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return 'xen:///'
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if (os.path.exists("/usr/bin/qemu") or
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os.path.exists("/usr/bin/qemu-kvm") or
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os.path.exists("/usr/bin/kvm") or
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os.path.exists("/usr/libexec/qemu-kvm") or
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glob.glob("/usr/bin/qemu-system-*")):
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return "qemu:///system"
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if (os.path.exists("/usr/lib/libvirt/libvirt_lxc") or
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os.path.exists("/usr/lib64/libvirt/libvirt_lxc")):
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return "lxc:///"
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return None
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def cancel(self, ignore1=None, ignore2=None):
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log.debug("Cancelling open connection")
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self.close()
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return 1
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def close(self, ignore1=None, ignore2=None):
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log.debug("Closing open connection")
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self.topwin.hide()
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def show(self, parent):
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log.debug("Showing open connection")
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if self.is_visible():
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self.topwin.present()
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return
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self.reset_state()
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self.topwin.set_transient_for(parent)
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self.topwin.present()
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def _cleanup(self):
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pass
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def set_initial_state(self):
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self.widget("connect").grab_default()
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combo = self.widget("hypervisor")
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# [connection ID, label]
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model = Gtk.ListStore(int, str)
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def _add_hv_row(rowid, config_name, label):
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if (not self.config.default_hvs or
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not config_name or
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config_name in self.config.default_hvs):
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model.append([rowid, label])
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_add_hv_row(HV_QEMU, "qemu", "QEMU/KVM")
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_add_hv_row(HV_QEMU_SESSION, "qemu", "QEMU/KVM " + _("user session"))
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_add_hv_row(HV_XEN, "xen", "Xen")
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_add_hv_row(HV_LXC, "lxc", "LXC (" + _("Linux Containers") + ")")
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_add_hv_row(HV_BHYVE, "bhyve", "Bhyve")
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_add_hv_row(HV_VZ, "vz", "Virtuozzo")
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_add_hv_row(-1, None, "")
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_add_hv_row(HV_CUSTOM, None, "Custom URI...")
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combo.set_model(model)
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uiutil.init_combo_text_column(combo, 1)
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def sepfunc(model, it):
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return model[it][0] == -1
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combo.set_row_separator_func(sepfunc)
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def reset_state(self):
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self.set_default_hypervisor()
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self.widget("autoconnect").set_sensitive(True)
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self.widget("autoconnect").set_active(True)
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self.widget("hostname").set_text("")
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self.widget("connect-remote").set_active(False)
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self.widget("username-entry").set_text("")
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self.widget("uri-entry").set_text("")
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self.connect_remote_toggled(self.widget("connect-remote"))
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self.populate_uri()
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def is_remote(self):
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# Whether user is requesting a remote connection
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return self.widget("connect-remote").get_active()
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def set_default_hypervisor(self):
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default = self.default_uri()
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if not default or default.startswith("qemu"):
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uiutil.set_list_selection(self.widget("hypervisor"), HV_QEMU)
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elif default.startswith("xen"):
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uiutil.set_list_selection(self.widget("hypervisor"), HV_XEN)
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def hostname_changed(self, src_ignore):
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self.populate_uri()
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def hypervisor_changed(self, src):
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ignore = src
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hv = uiutil.get_list_selection(self.widget("hypervisor"))
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is_session = hv == HV_QEMU_SESSION
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is_custom = hv == HV_CUSTOM
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show_remote = not is_session and not is_custom
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uiutil.set_grid_row_visible(
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self.widget("session-warning-box"), is_session)
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uiutil.set_grid_row_visible(
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self.widget("connect-remote"), show_remote)
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uiutil.set_grid_row_visible(
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self.widget("username-entry"), show_remote)
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uiutil.set_grid_row_visible(
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self.widget("hostname"), show_remote)
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if not show_remote:
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self.widget("connect-remote").set_active(False)
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uiutil.set_grid_row_visible(self.widget("uri-label"), not is_custom)
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uiutil.set_grid_row_visible(self.widget("uri-entry"), is_custom)
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if is_custom:
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label = self.widget("uri-label").get_text()
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self.widget("uri-entry").set_text(label)
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self.widget("uri-entry").grab_focus()
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self.populate_uri()
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def username_changed(self, src_ignore):
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self.populate_uri()
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def connect_remote_toggled(self, src_ignore):
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is_remote = self.is_remote()
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self.widget("hostname").set_sensitive(is_remote)
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self.widget("autoconnect").set_active(not is_remote)
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self.widget("username-entry").set_sensitive(is_remote)
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if is_remote and not self.widget("username-entry").get_text():
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self.widget("username-entry").set_text("root")
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self.populate_uri()
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def populate_uri(self):
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uri = self.generate_uri()
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self.widget("uri-label").set_text(uri)
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def generate_uri(self):
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hv = uiutil.get_list_selection(self.widget("hypervisor"))
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host = self.widget("hostname").get_text().strip()
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user = self.widget("username-entry").get_text()
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is_remote = self.is_remote()
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hvstr = ""
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if hv == HV_XEN:
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hvstr = "xen"
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elif hv == HV_QEMU or hv == HV_QEMU_SESSION:
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hvstr = "qemu"
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elif hv == HV_BHYVE:
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hvstr = "bhyve"
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elif hv == HV_VZ:
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hvstr = "vz"
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else:
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hvstr = "lxc"
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addrstr = ""
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if user:
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addrstr += urllib.parse.quote(user) + "@"
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if host.count(":") > 1:
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host = "[%s]" % host
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addrstr += host
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if is_remote:
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hoststr = "+ssh://" + addrstr + "/"
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else:
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hoststr = ":///"
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uri = hvstr + hoststr
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if hv in (HV_QEMU, HV_BHYVE, HV_VZ):
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uri += "system"
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elif hv == HV_QEMU_SESSION:
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uri += "session"
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return uri
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def validate(self):
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is_remote = self.is_remote()
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host = self.widget("hostname").get_text()
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if is_remote and not host:
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return self.err.val_err(_("A hostname is required for "
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"remote connections."))
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return True
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def _conn_open_completed(self, conn, ConnectError):
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if not ConnectError:
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self.close()
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self.reset_finish_cursor()
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return
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msg, details, title = ConnectError
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msg += "\n\n"
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msg += _("Would you still like to remember this connection?")
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remember = self.err.show_err(msg, details, title,
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buttons=Gtk.ButtonsType.YES_NO,
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dialog_type=Gtk.MessageType.QUESTION, modal=True)
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self.reset_finish_cursor()
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if remember:
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self.close()
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else:
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vmmConnectionManager.get_instance().remove_conn(conn.get_uri())
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def open_conn(self, ignore):
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if not self.validate():
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return
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auto = False
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if self.widget("autoconnect").get_sensitive():
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auto = bool(self.widget("autoconnect").get_active())
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if self.widget("uri-label").is_visible():
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uri = self.generate_uri()
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else:
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uri = self.widget("uri-entry").get_text()
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log.debug("Generate URI=%s, auto=%s", uri, auto)
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conn = vmmConnectionManager.get_instance().add_conn(uri)
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conn.set_autoconnect(auto)
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if conn.is_active():
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return
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conn.connect_once("open-completed", self._conn_open_completed)
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self.set_finish_cursor()
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conn.open()
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