Ejemplo n.º 1
0
class PegasusGUI(WidgetWrap):
    key_conversion_map = {'tab': 'down', 'shift tab': 'up'}

    def __init__(self, header=None, body=None, footer=None):
        self.header = header if header else Header()
        self.body = body if body else Banner()
        self.footer = footer if footer else StatusBarWidget()

        self.frame = Frame(self.body,
                           header=self.header,
                           footer=self.footer)

        self.services_view = None
        self.placement_view = None
        self.controller = None
        self.machine_wait_view = None
        self.node_install_wait_view = None
        self.add_services_dialog = None
        super().__init__(self.frame)

    def keypress(self, size, key):
        key = self.key_conversion_map.get(key, key)
        return super().keypress(size, key)

    def focus_next(self):
        if hasattr(self.frame.body, 'scroll_down'):
            self.frame.body.scroll_down()

    def focus_previous(self):
        if hasattr(self.frame.body, 'scroll_up'):
            self.frame.body.scroll_up()

    def focus_first(self):
        if hasattr(self.frame.body, 'scroll_top'):
            self.frame.body.scroll_top()

    def focus_last(self):
        if hasattr(self.frame.body, 'scroll_bottom'):
            self.frame.body.scroll_bottom()

    def show_help_info(self):
        self.controller = self.frame.body
        self.frame.body = HelpView()

    def show_step_info(self, msg):
        self.frame.body = StepInfoView(msg)

    def show_selector_with_desc(self, title, opts, cb):
        self.frame.body = SelectorWithDescriptionWidget(title, opts, cb)

    def show_password_input(self, title, cb):
        self.frame.body = PasswordInput(title, cb)

    def show_maas_input(self, title, cb):
        self.frame.body = MaasServerInput(title, cb)

    def show_landscape_input(self, title, cb):
        self.frame.body = LandscapeInput(title, cb)

    def set_pending_deploys(self, pending_charms):
        self.frame.footer.set_pending_deploys(pending_charms)

    def status_message(self, text):
        self.frame.footer.message(text)
        self.frame.set_footer(self.frame.footer)

    def status_error_message(self, message):
        self.frame.footer.error_message(message)

    def status_info_message(self, message):
        self.frame.footer.info_message(
            "{}\N{HORIZONTAL ELLIPSIS}".format(message))

    def set_openstack_rel(self, release):
        self.frame.header.set_openstack_rel(release)

    def clear_status(self):
        self.frame.footer = None
        self.frame.set_footer(self.frame.footer)

    def render_services_view(self, nodes, juju_state, maas_state, config):
        self.services_view = ServicesView(nodes, juju_state, maas_state,
                                          config)
        self.frame.body = self.services_view
        self.header.set_show_add_units_hotkey(True)
        self.update_phase_status(config)

    def refresh_services_view(self, nodes, config):
        self.services_view.refresh_nodes(nodes)
        self.update_phase_status(config)

    def update_phase_status(self, config):
        dc = config.getopt('deploy_complete')
        dcstr = "complete" if dc else "pending"
        rc = config.getopt('relations_complete')
        rcstr = "complete" if rc else "pending"
        ppc = config.getopt('postproc_complete')
        ppcstr = "complete" if ppc else "pending"
        self.status_info_message("Status: Deployments {}, "
                                 "Relations {}, "
                                 "Post-processing {} ".format(dcstr,
                                                              rcstr,
                                                              ppcstr))

    def render_node_install_wait(self, message):
        if self.node_install_wait_view is None:
            self.node_install_wait_view = NodeInstallWaitView(message)
        self.frame.body = self.node_install_wait_view

    def render_placement_view(self, loop, config, cb):
        """ render placement view

        :param cb: deploy callback trigger
        """
        if self.placement_view is None:
            assert self.controller is not None
            pc = self.controller.placement_controller
            self.placement_view = PlacementView(self, pc, loop,
                                                config, cb)
        self.placement_view.update()
        self.frame.body = self.placement_view

    def render_machine_wait_view(self, config):
        if self.machine_wait_view is None:
            self.machine_wait_view = MachineWaitView(
                self, self.current_installer, config)
        self.machine_wait_view.update()
        self.frame.body = self.machine_wait_view

    def render_add_services_dialog(self, deploy_cb, cancel_cb):
        def reset():
            self.add_services_dialog = None

        def cancel():
            reset()
            cancel_cb()

        def deploy():
            reset()
            deploy_cb()

        if self.add_services_dialog is None:
            self.add_services_dialog = AddServicesDialog(self.controller,
                                                         deploy_cb=deploy,
                                                         cancel_cb=cancel)
        self.add_services_dialog.update()
        self.frame.body = Filler(self.add_services_dialog)

    def show_exception_message(self, ex):
        msg = ("A fatal error has occurred: {}\n".format(ex.args[0]))
        log.error(msg)
        self.frame.body = ErrorView(ex.args[0])
        AlarmMonitor.remove_all()

    def select_install_type(self, install_types, cb):
        """ Dialog for selecting installation type
        """
        self.show_selector_with_desc(
            'Select the type of installation to perform',
            install_types,
            cb)

    def __repr__(self):
        return "<Ubuntu OpenStack Installer GUI Interface>"

    def tasker(self, loop, config):
        """ Interface with Tasker class

        :param loop: urwid.Mainloop
        :param dict config: config object
        """
        return Tasker(self, loop, config)

    def exit(self, loop=None):
        """ Provide exit loop helper

        :param loop: Just a placeholder, exit with urwid.
        """
        urwid.ExitMainLoop()
Ejemplo n.º 2
0
 def render_services_view(self, nodes, juju_state, maas_state, config):
     self.services_view = ServicesView(nodes, juju_state, maas_state,
                                       config)
     self.frame.body = self.services_view
     self.header.set_show_add_units_hotkey(True)
     self.update_phase_status(config)
Ejemplo n.º 3
0
class PegasusGUI(WidgetWrap):
    key_conversion_map = {'tab': 'down', 'shift tab': 'up'}

    def __init__(self, header=None, body=None, footer=None):
        self.header = header if header else Header()
        self.body = body if body else Banner()
        self.footer = footer if footer else StatusBarWidget()

        self.frame = Frame(self.body,
                           header=self.header,
                           footer=self.footer)

        self.services_view = None
        self.placement_view = None
        self.controller = None
        self.machine_wait_view = None
        self.node_install_wait_view = None
        self.add_services_dialog = None
        super().__init__(self.frame)

    def keypress(self, size, key):
        key = self.key_conversion_map.get(key, key)
        return super().keypress(size, key)

    def focus_next(self):
        if hasattr(self.frame.body, 'scroll_down'):
            self.frame.body.scroll_down()

    def focus_previous(self):
        if hasattr(self.frame.body, 'scroll_up'):
            self.frame.body.scroll_up()

    def focus_first(self):
        if hasattr(self.frame.body, 'scroll_top'):
            self.frame.body.scroll_top()

    def focus_last(self):
        if hasattr(self.frame.body, 'scroll_bottom'):
            self.frame.body.scroll_bottom()

    def show_help_info(self):
        self.controller = self.frame.body
        self.frame.body = HelpView()

    def show_step_info(self, msg):
        self.frame.body = StepInfoView(msg)

    def show_selector_with_desc(self, title, opts, cb):
        self.frame.body = SelectorWithDescriptionWidget(title, opts, cb)

    def show_password_input(self, title, cb):
        self.frame.body = PasswordInput(title, cb)

    def show_maas_input(self, title, cb):
        self.frame.body = MaasServerInput(title, cb)

    def show_landscape_input(self, title, cb):
        self.frame.body = LandscapeInput(title, cb)

    def set_pending_deploys(self, pending_charms):
        self.frame.footer.set_pending_deploys(pending_charms)

    def status_message(self, text):
        self.frame.footer.message(text)
        self.frame.set_footer(self.frame.footer)

    def status_error_message(self, message):
        self.frame.footer.error_message(message)

    def status_info_message(self, message):
        self.frame.footer.info_message(
            "{}\N{HORIZONTAL ELLIPSIS}".format(message))

    def set_openstack_rel(self, release):
        self.frame.header.set_openstack_rel(release)

    def clear_status(self):
        self.frame.footer = None
        self.frame.set_footer(self.frame.footer)

    def render_services_view(self, nodes, juju_state, maas_state, config):
        self.services_view = ServicesView(nodes, juju_state, maas_state,
                                          config)
        self.frame.body = self.services_view
        self.header.set_show_add_units_hotkey(True)
        self.update_phase_status(config)

    def refresh_services_view(self, nodes, config):
        self.services_view.refresh_nodes(nodes)
        self.update_phase_status(config)

    def update_phase_status(self, config):
        dc = config.getopt('deploy_complete')
        dcstr = "complete" if dc else "pending"
        rc = config.getopt('relations_complete')
        rcstr = "complete" if rc else "pending"
        ppc = config.getopt('postproc_complete')
        ppcstr = "complete" if ppc else "pending"
        self.status_info_message("Status: Deployments {}, "
                                 "Relations {}, "
                                 "Post-processing {} ".format(dcstr,
                                                              rcstr,
                                                              ppcstr))

    def render_node_install_wait(self, message):
        if self.node_install_wait_view is None:
            self.node_install_wait_view = NodeInstallWaitView(message)
        self.frame.body = self.node_install_wait_view

    def render_placement_view(self, loop, config, cb):
        """ render placement view

        :param cb: deploy callback trigger
        """
        if self.placement_view is None:
            assert self.controller is not None
            pc = self.controller.placement_controller
            self.placement_view = PlacementView(self, pc, loop,
                                                config, cb)
        self.placement_view.update()
        self.frame.body = self.placement_view

    def render_machine_wait_view(self, config):
        if self.machine_wait_view is None:
            self.machine_wait_view = MachineWaitView(
                self, self.current_installer, config)
        self.machine_wait_view.update()
        self.frame.body = self.machine_wait_view

    def render_add_services_dialog(self, deploy_cb, cancel_cb):
        def reset():
            self.add_services_dialog = None

        def cancel():
            reset()
            cancel_cb()

        def deploy():
            reset()
            deploy_cb()

        if self.add_services_dialog is None:
            self.add_services_dialog = AddServicesDialog(self.controller,
                                                         deploy_cb=deploy,
                                                         cancel_cb=cancel)
        self.add_services_dialog.update()
        self.frame.body = Filler(self.add_services_dialog)

    def show_exception_message(self, ex):
        if isinstance(ex, async.ThreadCancelledException):
            log.debug("Thread cancelled intentionally.")
        else: