def action(self) -> ActionResult:
renaming_config = self._vs_renaming_config().from_html_vars("")
self._vs_renaming_config().validate_value(renaming_config, "")
renamings = self._collect_host_renamings(renaming_config)
if not renamings:
flash(_("No matching host names"))
return None
warning = self._renaming_collision_error(renamings)
if warning:
flash(warning)
return None
message = HTMLWriter.render_b(
_("Do you really want to rename to following hosts?"
"This involves a restart of the monitoring core!"))
rows = []
for _folder, host_name, target_name in renamings:
rows.append(
HTMLWriter.render_tr(
HTMLWriter.render_td(host_name) +
HTMLWriter.render_td(" → %s" % target_name)))
message += HTMLWriter.render_table(HTML().join(rows))
nr_rename = len(renamings)
c = _confirm(
_("Confirm renaming of %d %s") %
(nr_rename, ungettext("host", "hosts", nr_rename)),
message,
)
if c:
title = _("Renaming of %s") % ", ".join("%s → %s" % x[1:]
for x in renamings)
host_renaming_job = RenameHostsBackgroundJob(title=title)
host_renaming_job.set_function(rename_hosts_background_job,
renamings)
try:
host_renaming_job.start()
except background_job.BackgroundJobAlreadyRunning as e:
raise MKGeneralException(
_("Another host renaming job is already running: %s") % e)
return redirect(host_renaming_job.detail_url())
if c is False: # not yet confirmed
return FinalizeRequest(code=200)
return None # browser reload
def render_perfometer(data: PerfometerData) -> HTML:
tds = HTML().join(
render_perfometer_td(percentage, color) for percentage, color in data)
return HTMLWriter.render_table(HTMLWriter.render_tr(tds))