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manager: Fix error reporting when can't connect remotely

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Also rejigger the error building again to be more useful and
less scary in cases where we are pretty confident we know what the
problem is.
This commit is contained in:
Cole Robinson 2012-02-02 16:45:18 -05:00
parent 98d53d14fe
commit 54d007b287
1 changed files with 42 additions and 29 deletions
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71
src/virtManager/manager.py
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@ -646,42 +646,55 @@ class vmmManager(vmmGObjectUI):
conn.open()
return True
def _connect_error(self, conn, shortmsg, tb, warnconsole):
shortmsg = shortmsg.strip(" \n")
def _connect_error(self, conn, errmsg, tb, warnconsole):
errmsg = errmsg.strip(" \n")
tb = tb.strip(" \n")
msg = _("Unable to connect to libvirt:\n\n%s\n\n") % shortmsg
hint = ""
show_errmsg = True
if conn.is_xen() and not conn.is_remote():
msg += _("Verify that:\n"
" - A Xen host kernel was booted\n"
" - The Xen service has been started\n")
msg = msg.strip("\n")
details = "%s\n\n%s" % (msg, tb)
if conn.is_remote():
logging.debug(conn.get_transport())
if re.search(r"nc: .* -- 'U'", tb):
hint += _("The remote host requires a version of netcat/nc\n"
"which supports the -U option.")
show_errmsg = False
elif conn.get_transport()[0] == "ssh" and re.search(r"ssh-askpass", tb):
hint += _("You need to install openssh-askpass or similar\n"
"to connect to this host.")
show_errmsg = False
else:
hint += _("Verify that the 'libvirtd' daemon is running\n"
"on the remote host.")
elif conn.is_xen():
hint += _("Verify that:\n"
" - A Xen host kernel was booted\n"
" - The Xen service has been started")
else:
hints = []
if conn.is_remote() and re.search(r"nc: .* -- 'U'", details):
hints.append(
_("\n - The remote netcat understands the '-U' option"))
if warnconsole:
msg += _("Could not detect a local session: if you are \n"
"running virt-manager over ssh -X or VNC, you \n"
"may not be able to connect to libvirt as a \n"
"regular user. Try running as root.\n\n")
else:
msg += _("Verify that:\n" +
" - The 'libvirtd' daemon has been started")
for hint in hints:
msg += hint
hint += _("Could not detect a local session: if you are \n"
"running virt-manager over ssh -X or VNC, you \n"
"may not be able to connect to libvirt as a \n"
"regular user. Try running as root.")
show_errmsg = False
elif re.search(r"libvirt-sock", tb):
hint += _("Verify that the 'libvirtd' daemon is running.")
show_errmsg = False
msg = msg.strip("\n")
details = (("%s\n\n" % msg) +
(_("Libvirt URI is: %s\n\n") % conn.get_uri()) +
tb)
msg = _("Unable to connect to libvirt.")
if show_errmsg:
msg += "\n\n%s" % errmsg
if hint:
msg += "\n\n%s" % hint
self.err.show_err(msg, details,
title=_("Virtual Machine Manager Connection Failure"))
msg = msg.strip("\n")
details = msg
details += "\n\n"
details += "Libvirt URI is: %s\n\n" % conn.get_uri()
details += tb
self.err.show_err(msg, details, title=_("Virtual Machine Manager Connection Failure"))
####################################