def build_widgets(self):
self.services_column = ServicesColumn(self.display_controller,
self.placement_controller, self)
self.machines_column = MachinesColumn(self.display_controller,
self.placement_controller, self)
self.relations_column = RelationsColumn(self.display_controller,
self.placement_controller,
self, self.metadata_controller)
self.charmstore_column = CharmstoreColumn(self.display_controller,
self.placement_controller,
self,
self.metadata_controller)
self.options_column = OptionsColumn(self.display_controller,
self.placement_controller, self,
self.metadata_controller)
self.machines_header = self.get_machines_header(self.machines_column)
self.relations_header = self.get_relations_header()
self.services_header = self.get_services_header()
self.charmstore_header = self.get_charmstore_header(
self.charmstore_column)
self.options_header = self.get_options_header(self.options_column)
cs = [self.services_header, self.charmstore_header]
self.header_columns = Columns(cs, dividechars=2)
self.columns = Columns([self.services_column, self.machines_column],
dividechars=2)
self.deploy_button = MenuSelectButton("\nCommit\n",
on_press=self.do_deploy)
self.deploy_button_label = Text("Some charms use default")
self.placement_edit_body_pile = Pile([self.columns])
self.placement_edit_body = Filler(Padding(
self.placement_edit_body_pile,
align='center',
width=('relative', 95)),
valign='top')
self.bundle_graph_text = Text("No graph to display yet.")
self.bundle_graph_widget = Padding(self.bundle_graph_text, 'center',
'pack')
b = AttrMap(self.deploy_button, 'frame_header', 'button_primary focus')
self.footer_grid = GridFlow(
[self.deploy_button_label,
Padding(b, width=28, align='center')], 28, 1, 1, 'right')
f = AttrMap(self.footer_grid, 'frame_footer', 'frame_footer')
self.frame = Frame(header=Pile([self.header_columns,
HR()]),
body=self.placement_edit_body,
footer=f)
return self.frame
class PlacementView(WidgetWrap):
"""
Handles display of machines and services.
displays nothing if self.controller is not set.
set it to a PlacementController.
:param do_deploy_cb: deploy callback from controller
"""
def __init__(self, display_controller, placement_controller,
config, do_deploy_cb,
initial_state=UIState.CHARMSTORE_VIEW,
has_maas=False):
self.display_controller = display_controller
self.placement_controller = placement_controller
self.config = config
self.do_deploy_cb = do_deploy_cb
self.state = initial_state
self.has_maas = has_maas
self.prev_state = None
self.showing_overlay = False
self.showing_graph_split = False
self.show_scc_graph = False
self.bundle = placement_controller.bundle
self.metadata_controller = MetadataController(self.bundle, config)
w = self.build_widgets()
super().__init__(w)
self.reset_selections(top=True) # calls self.update
def scroll_down(self):
pass
def scroll_up(self):
pass
def focus_footer(self):
self.frame.focus_position = 'footer'
self.footer_grid.focus_position = 1
def handle_tab(self, backward):
tabloop = ['headercol1', 'col1', 'headercol2', 'col2', 'footer']
if not self.has_maas:
tabloop.remove('headercol1')
def goto_header_col1():
self.frame.focus_position = 'header'
self.header_columns.focus_position = 0
def goto_header_col2():
self.frame.focus_position = 'header'
self.header_columns.focus_position = 1
def goto_col1():
self.frame.focus_position = 'body'
self.columns.focus_position = 0
def goto_col2():
self.frame.focus_position = 'body'
if self.state == UIState.PLACEMENT_EDITOR:
self.focus_machines_column()
elif self.state == UIState.RELATION_EDITOR:
self.focus_relations_column()
elif self.state == UIState.OPTIONS_EDITOR:
self.focus_options_column()
else:
self.focus_charmstore_column()
actions = {'headercol1': goto_header_col1,
'headercol2': goto_header_col2,
'col1': goto_col1,
'col2': goto_col2,
'footer': self.focus_footer}
if self.frame.focus_position == 'header':
cur = ['headercol1',
'headercol2'][self.header_columns.focus_position]
elif self.frame.focus_position == 'footer':
cur = 'footer'
else:
cur = ['col1', 'col2'][self.columns.focus_position]
cur_idx = tabloop.index(cur)
if backward:
next_idx = cur_idx - 1
else:
next_idx = (cur_idx + 1) % len(tabloop)
actions[tabloop[next_idx]]()
def keypress(self, size, key):
if key in ['tab', 'shift tab']:
self.handle_tab('shift' in key)
return key
unhandled_key = self._w.keypress(size, key)
if unhandled_key is None:
return None
elif unhandled_key in ['g', 'G']:
if unhandled_key == 'G':
self.show_scc_graph = True
else:
self.show_scc_graph = False
self.showing_graph_split = not self.showing_graph_split
if self.showing_graph_split:
opts = self.placement_edit_body_pile.options()
self.placement_edit_body_pile.contents.insert(
0, (self.bundle_graph_widget, opts))
else:
self.placement_edit_body_pile.contents.pop(0)
self.update()
else:
return unhandled_key
def get_services_header(self):
b = PlainButton("Clear All Placements",
on_press=self.do_clear_all)
self.clear_all_button = AttrMap(b,
'button_secondary',
'button_secondary focus')
self.services_buttons = [self.clear_all_button]
self.services_button_grid = GridFlow(self.services_buttons,
36, 1, 0, 'center')
ws = [Divider(), Text(("body", "Services"), align='center'),
Divider()]
if self.has_maas:
ws.append(self.services_button_grid)
return Pile(ws)
def get_charmstore_header(self, charmstore_column):
series = self.placement_controller.bundle.series
self.charm_search_widget = CharmStoreSearchWidget(self.do_add_charm,
charmstore_column,
self.config,
series)
self.charm_search_header_pile = Pile([Divider(),
Text(("body", "Add Charms"),
align='center'),
Divider(),
self.charm_search_widget])
return self.charm_search_header_pile
def get_machines_header(self, machines_column):
b = PlainButton("Open in Browser",
on_press=self.browse_maas)
self.open_maas_button = AttrMap(b,
'button_secondary',
'button_secondary focus')
self.maastitle = Text("Connected to MAAS")
maastitle_widgets = Padding(Columns([self.maastitle,
(22, self.open_maas_button)]),
align='center',
width='pack', left=2,
right=2)
f = machines_column.machines_list.handle_filter_change
self.filter_edit_box = FilterBox(f)
pl = [Divider(),
Text(('body',
"Ready Machines {}".format(MetaScroll().get_text()[0])),
align='center'),
Divider(),
maastitle_widgets,
Divider(),
self.filter_edit_box]
self.machines_header_pile = Pile(pl)
return self.machines_header_pile
def update_machines_header(self):
maasinfo = self.placement_controller.maasinfo
maasname = "'{}' <{}>".format(maasinfo['server_name'],
maasinfo['server_hostname'])
self.maastitle.set_text("Connected to MAAS {}".format(maasname))
def _simple_header_widgets(self, title):
b = PlainButton("Back to Charm Store",
on_press=self.show_default_view)
self.back_to_mainview_button = AttrMap(b, 'button_secondary',
'button_secondary focus')
button_grid = GridFlow([self.back_to_mainview_button],
36, 1, 0, 'center')
return [Divider(),
Text(('body', title), align='center'),
Divider(), button_grid]
def get_relations_header(self):
return Pile(self._simple_header_widgets("Relation Editor"))
def get_options_header(self, options_column):
simple_widgets = self._simple_header_widgets("Options Editor")
fb = FilterBox(options_column.handle_filter_change,
info_text="Filter by option name")
padded_fb = Padding(AttrMap(fb, 'filter', 'filter_focus'),
left=2, right=2)
return Pile(simple_widgets + [padded_fb])
def build_widgets(self):
self.services_column = ServicesColumn(self.display_controller,
self.placement_controller,
self)
self.machines_column = MachinesColumn(self.display_controller,
self.placement_controller,
self)
self.relations_column = RelationsColumn(self.display_controller,
self.placement_controller,
self,
self.metadata_controller)
self.charmstore_column = CharmstoreColumn(self.display_controller,
self.placement_controller,
self,
self.metadata_controller)
self.options_column = OptionsColumn(self.display_controller,
self.placement_controller,
self,
self.metadata_controller)
self.machines_header = self.get_machines_header(self.machines_column)
self.relations_header = self.get_relations_header()
self.services_header = self.get_services_header()
self.charmstore_header = self.get_charmstore_header(
self.charmstore_column)
self.options_header = self.get_options_header(self.options_column)
cs = [self.services_header, self.charmstore_header]
self.header_columns = Columns(cs, dividechars=2)
self.columns = Columns([self.services_column,
self.machines_column], dividechars=2)
self.deploy_button = MenuSelectButton("\nCommit\n",
on_press=self.do_deploy)
self.deploy_button_label = Text("Some charms use default")
self.placement_edit_body_pile = Pile([self.columns])
self.placement_edit_body = Filler(Padding(
self.placement_edit_body_pile,
align='center',
width=('relative', 95)),
valign='top')
self.bundle_graph_text = Text("No graph to display yet.")
self.bundle_graph_widget = Padding(self.bundle_graph_text,
'center', 'pack')
b = AttrMap(self.deploy_button,
'frame_header',
'button_primary focus')
self.footer_grid = GridFlow([self.deploy_button_label,
Padding(b, width=28,
align='center')],
28, 1, 1, 'right')
f = AttrMap(self.footer_grid,
'frame_footer',
'frame_footer')
self.frame = Frame(header=Pile([self.header_columns, HR()]),
body=self.placement_edit_body,
footer=f)
return self.frame
def update(self):
if self.prev_state != self.state:
h_opts = self.header_columns.options()
c_opts = self.columns.options()
if self.state == UIState.PLACEMENT_EDITOR:
self.update_machines_header()
self.header_columns.contents[-1] = (self.machines_header,
h_opts)
self.columns.contents[-1] = (self.machines_column, c_opts)
elif self.state == UIState.RELATION_EDITOR:
self.header_columns.contents[-1] = (self.relations_header,
h_opts)
self.columns.contents[-1] = (self.relations_column, h_opts)
elif self.state == UIState.CHARMSTORE_VIEW:
self.header_columns.contents[-1] = (self.charmstore_header,
h_opts)
self.columns.contents[-1] = (self.charmstore_column, h_opts)
elif self.state == UIState.OPTIONS_EDITOR:
self.header_columns.contents[-1] = (self.options_header,
h_opts)
self.columns.contents[-1] = (self.options_column, h_opts)
self.prev_state = self.state
self.services_column.update()
if self.state == UIState.PLACEMENT_EDITOR:
self.machines_column.update()
elif self.state == UIState.RELATION_EDITOR:
self.relations_column.update()
elif self.state == UIState.OPTIONS_EDITOR:
self.options_column.update()
else:
self.charmstore_column.update()
unplaced = self.placement_controller.unassigned_undeployed_services()
all = self.placement_controller.services()
n_subs_in_unplaced = len([c for c in unplaced if c.subordinate])
n_subs_in_all = len([c for c in all if c.subordinate])
n_total = len(all) - n_subs_in_all
remaining = len(unplaced) - n_subs_in_unplaced
if remaining > 0:
dmsg = "\nAuto-assigning {}/{} services".format(remaining,
n_total)
else:
dmsg = ""
self.deploy_button_label.set_text(dmsg)
if self.showing_graph_split:
bundle = self.placement_controller.bundle
if self.show_scc_graph:
gtext = scc_graph_for_bundle(bundle, self.metadata_controller)
else:
gtext = graph_for_bundle(bundle, self.metadata_controller)
if gtext == "":
gtext = "No graph to display yet."
self.bundle_graph_text.set_text(gtext)
def browse_maas(self, sender):
bc = self.config.juju_env['bootstrap-config']
try:
p = Popen(["sensible-browser", bc['maas-server']],
stdout=PIPE, stderr=PIPE)
outs, errs = p.communicate(timeout=5)
except TimeoutExpired:
# went five seconds without an error, so we assume it's
# OK. Don't kill it, just let it go:
return
e = errs.decode('utf-8')
msg = "Error opening '{}' in a browser:\n{}".format(bc['name'], e)
w = InfoDialogWidget(msg, self.remove_overlay)
self.show_overlay(w)
def do_clear_all(self, sender):
self.placement_controller.clear_all_assignments()
def do_add_charm(self, charm_name, charm_dict):
"""Add new service and focus its widget.
"""
assert(self.state == UIState.CHARMSTORE_VIEW)
def done_cb(f):
csid = CharmStoreID(charm_dict['Id'])
id_no_rev = csid.as_str_without_rev()
info = self.metadata_controller.get_charm_info(id_no_rev,
lambda _: None)
is_subordinate = info["Meta"]["charm-metadata"].get(
"Subordinate", False)
service_name = self.placement_controller.add_new_service(
charm_name, charm_dict, is_subordinate=is_subordinate)
self.frame.focus_position = 'body'
self.columns.focus_position = 0
self.update()
self.services_column.select_service(service_name)
# TODO MMCC: need a 'loading' indicator to start here
self.metadata_controller.load([charm_dict['Id']], done_cb)
def do_add_bundle(self, bundle_dict):
assert(self.state == UIState.CHARMSTORE_VIEW)
_, new_services, _ = self.placement_controller.merge_bundle(
bundle_dict)
self.frame.focus_position = 'body'
self.columns.focus_position = 0
charms = list(set([s.charm_source for s in new_services]))
self.metadata_controller.load(charms)
self.update()
ss = sorted(new_services,
key=attrgetter('service_name'))
first_service = ss[0].service_name
self.services_column.select_service(first_service)
def do_clear_machine(self, sender, machine):
self.placement_controller.clear_assignments(machine)
def clear_selections(self):
self.services_column.clear_selections()
self.machines_column.clear_selections()
def reset_selections(self, top=False):
self.clear_selections()
self.state = UIState.CHARMSTORE_VIEW
self.update()
self.columns.focus_position = 0
if top:
self.services_column.focus_top()
else:
self.services_column.focus_next()
def focus_machines_column(self):
self.columns.focus_position = 1
self.machines_column.focus_prev_or_top()
def focus_relations_column(self):
self.columns.focus_position = 1
self.relations_column.focus_prev_or_top()
def focus_options_column(self):
self.columns.focus_position = 1
self.options_column.focus_prev_or_top()
def focus_charmstore_column(self):
self.columns.focus_position = 1
self.charmstore_column.focus_prev_or_top()
def edit_placement(self):
self.state = UIState.PLACEMENT_EDITOR
self.update()
self.focus_machines_column()
def show_default_view(self, *args):
self.state = UIState.CHARMSTORE_VIEW
self.update()
def edit_relations(self, service):
self.state = UIState.RELATION_EDITOR
self.relations_column.set_service(service)
self.update()
self.focus_relations_column()
def edit_options(self, service):
self.state = UIState.OPTIONS_EDITOR
self.options_column.set_service(service)
self.update()
self.focus_options_column()
def do_deploy(self, sender):
self.do_deploy_cb()
def show_overlay(self, overlay_widget):
if not self.showing_overlay:
self.orig_w = self._w
self._w = Overlay(top_w=overlay_widget,
bottom_w=self._w,
align='center',
width=('relative', 60),
min_width=80,
valign='middle',
height='pack')
self.showing_overlay = True
def remove_overlay(self, overlay_widget):
# urwid note: we could also get orig_w as
# self._w.contents[0][0], but this is clearer:
self._w = self.orig_w
self.showing_overlay = False
def build_widgets(self):
self.services_column = ServicesColumn(self.display_controller,
self.placement_controller,
self)
self.machines_column = MachinesColumn(self.display_controller,
self.placement_controller,
self)
self.relations_column = RelationsColumn(self.display_controller,
self.placement_controller,
self,
self.metadata_controller)
self.charmstore_column = CharmstoreColumn(self.display_controller,
self.placement_controller,
self,
self.metadata_controller)
self.options_column = OptionsColumn(self.display_controller,
self.placement_controller,
self,
self.metadata_controller)
self.machines_header = self.get_machines_header(self.machines_column)
self.relations_header = self.get_relations_header()
self.services_header = self.get_services_header()
self.charmstore_header = self.get_charmstore_header(
self.charmstore_column)
self.options_header = self.get_options_header(self.options_column)
cs = [self.services_header, self.charmstore_header]
self.header_columns = Columns(cs, dividechars=2)
self.columns = Columns([self.services_column,
self.machines_column], dividechars=2)
self.deploy_button = MenuSelectButton("\nCommit\n",
on_press=self.do_deploy)
self.deploy_button_label = Text("Some charms use default")
self.placement_edit_body_pile = Pile([self.columns])
self.placement_edit_body = Filler(Padding(
self.placement_edit_body_pile,
align='center',
width=('relative', 95)),
valign='top')
self.bundle_graph_text = Text("No graph to display yet.")
self.bundle_graph_widget = Padding(self.bundle_graph_text,
'center', 'pack')
b = AttrMap(self.deploy_button,
'frame_header',
'button_primary focus')
self.footer_grid = GridFlow([self.deploy_button_label,
Padding(b, width=28,
align='center')],
28, 1, 1, 'right')
f = AttrMap(self.footer_grid,
'frame_footer',
'frame_footer')
self.frame = Frame(header=Pile([self.header_columns, HR()]),
body=self.placement_edit_body,
footer=f)
return self.frame
class PlacementView(WidgetWrap):
"""
Handles display of machines and services.
displays nothing if self.controller is not set.
set it to a PlacementController.
:param do_deploy_cb: deploy callback from controller
"""
def __init__(self,
display_controller,
placement_controller,
config,
do_deploy_cb,
initial_state=UIState.CHARMSTORE_VIEW,
has_maas=False):
self.display_controller = display_controller
self.placement_controller = placement_controller
self.config = config
self.do_deploy_cb = do_deploy_cb
self.state = initial_state
self.has_maas = has_maas
self.prev_state = None
self.showing_overlay = False
self.showing_graph_split = False
self.show_scc_graph = False
self.bundle = placement_controller.bundle
self.metadata_controller = MetadataController(self.bundle, config)
w = self.build_widgets()
super().__init__(w)
self.reset_selections(top=True) # calls self.update
def scroll_down(self):
pass
def scroll_up(self):
pass
def focus_footer(self):
self.frame.focus_position = 'footer'
self.footer_grid.focus_position = 1
def handle_tab(self, backward):
tabloop = ['headercol1', 'col1', 'headercol2', 'col2', 'footer']
if not self.has_maas:
tabloop.remove('headercol1')
def goto_header_col1():
self.frame.focus_position = 'header'
self.header_columns.focus_position = 0
def goto_header_col2():
self.frame.focus_position = 'header'
self.header_columns.focus_position = 1
def goto_col1():
self.frame.focus_position = 'body'
self.columns.focus_position = 0
def goto_col2():
self.frame.focus_position = 'body'
if self.state == UIState.PLACEMENT_EDITOR:
self.focus_machines_column()
elif self.state == UIState.RELATION_EDITOR:
self.focus_relations_column()
elif self.state == UIState.OPTIONS_EDITOR:
self.focus_options_column()
else:
self.focus_charmstore_column()
actions = {
'headercol1': goto_header_col1,
'headercol2': goto_header_col2,
'col1': goto_col1,
'col2': goto_col2,
'footer': self.focus_footer
}
if self.frame.focus_position == 'header':
cur = ['headercol1',
'headercol2'][self.header_columns.focus_position]
elif self.frame.focus_position == 'footer':
cur = 'footer'
else:
cur = ['col1', 'col2'][self.columns.focus_position]
cur_idx = tabloop.index(cur)
if backward:
next_idx = cur_idx - 1
else:
next_idx = (cur_idx + 1) % len(tabloop)
actions[tabloop[next_idx]]()
def keypress(self, size, key):
if key in ['tab', 'shift tab']:
self.handle_tab('shift' in key)
return key
unhandled_key = self._w.keypress(size, key)
if unhandled_key is None:
return None
elif unhandled_key in ['g', 'G']:
if unhandled_key == 'G':
self.show_scc_graph = True
else:
self.show_scc_graph = False
self.showing_graph_split = not self.showing_graph_split
if self.showing_graph_split:
opts = self.placement_edit_body_pile.options()
self.placement_edit_body_pile.contents.insert(
0, (self.bundle_graph_widget, opts))
else:
self.placement_edit_body_pile.contents.pop(0)
self.update()
else:
return unhandled_key
def get_services_header(self):
b = PlainButton("Clear All Placements", on_press=self.do_clear_all)
self.clear_all_button = AttrMap(b, 'button_secondary',
'button_secondary focus')
self.services_buttons = [self.clear_all_button]
self.services_button_grid = GridFlow(self.services_buttons, 36, 1, 0,
'center')
ws = [Divider(), Text(("body", "Services"), align='center'), Divider()]
if self.has_maas:
ws.append(self.services_button_grid)
return Pile(ws)
def get_charmstore_header(self, charmstore_column):
series = self.placement_controller.bundle.series
self.charm_search_widget = CharmStoreSearchWidget(
self.do_add_charm, charmstore_column, self.config, series)
self.charm_search_header_pile = Pile([
Divider(),
Text(("body", "Add Charms"), align='center'),
Divider(), self.charm_search_widget
])
return self.charm_search_header_pile
def get_machines_header(self, machines_column):
b = PlainButton("Open in Browser", on_press=self.browse_maas)
self.open_maas_button = AttrMap(b, 'button_secondary',
'button_secondary focus')
self.maastitle = Text("Connected to MAAS")
maastitle_widgets = Padding(Columns(
[self.maastitle, (22, self.open_maas_button)]),
align='center',
width='pack',
left=2,
right=2)
f = machines_column.machines_list.handle_filter_change
self.filter_edit_box = FilterBox(f)
pl = [
Divider(),
Text(('body', "Ready Machines {}".format(
MetaScroll().get_text()[0])),
align='center'),
Divider(), maastitle_widgets,
Divider(), self.filter_edit_box
]
self.machines_header_pile = Pile(pl)
return self.machines_header_pile
def update_machines_header(self):
maasinfo = self.placement_controller.maasinfo
maasname = "'{}' <{}>".format(maasinfo['server_name'],
maasinfo['server_hostname'])
self.maastitle.set_text("Connected to MAAS {}".format(maasname))
def _simple_header_widgets(self, title):
b = PlainButton("Back to Charm Store", on_press=self.show_default_view)
self.back_to_mainview_button = AttrMap(b, 'button_secondary',
'button_secondary focus')
button_grid = GridFlow([self.back_to_mainview_button], 36, 1, 0,
'center')
return [
Divider(),
Text(('body', title), align='center'),
Divider(), button_grid
]
def get_relations_header(self):
return Pile(self._simple_header_widgets("Relation Editor"))
def get_options_header(self, options_column):
simple_widgets = self._simple_header_widgets("Options Editor")
fb = FilterBox(options_column.handle_filter_change,
info_text="Filter by option name")
padded_fb = Padding(AttrMap(fb, 'filter', 'filter_focus'),
left=2,
right=2)
return Pile(simple_widgets + [padded_fb])
def build_widgets(self):
self.services_column = ServicesColumn(self.display_controller,
self.placement_controller, self)
self.machines_column = MachinesColumn(self.display_controller,
self.placement_controller, self)
self.relations_column = RelationsColumn(self.display_controller,
self.placement_controller,
self, self.metadata_controller)
self.charmstore_column = CharmstoreColumn(self.display_controller,
self.placement_controller,
self,
self.metadata_controller)
self.options_column = OptionsColumn(self.display_controller,
self.placement_controller, self,
self.metadata_controller)
self.machines_header = self.get_machines_header(self.machines_column)
self.relations_header = self.get_relations_header()
self.services_header = self.get_services_header()
self.charmstore_header = self.get_charmstore_header(
self.charmstore_column)
self.options_header = self.get_options_header(self.options_column)
cs = [self.services_header, self.charmstore_header]
self.header_columns = Columns(cs, dividechars=2)
self.columns = Columns([self.services_column, self.machines_column],
dividechars=2)
self.deploy_button = MenuSelectButton("\nCommit\n",
on_press=self.do_deploy)
self.deploy_button_label = Text("Some charms use default")
self.placement_edit_body_pile = Pile([self.columns])
self.placement_edit_body = Filler(Padding(
self.placement_edit_body_pile,
align='center',
width=('relative', 95)),
valign='top')
self.bundle_graph_text = Text("No graph to display yet.")
self.bundle_graph_widget = Padding(self.bundle_graph_text, 'center',
'pack')
b = AttrMap(self.deploy_button, 'frame_header', 'button_primary focus')
self.footer_grid = GridFlow(
[self.deploy_button_label,
Padding(b, width=28, align='center')], 28, 1, 1, 'right')
f = AttrMap(self.footer_grid, 'frame_footer', 'frame_footer')
self.frame = Frame(header=Pile([self.header_columns,
HR()]),
body=self.placement_edit_body,
footer=f)
return self.frame
def update(self):
if self.prev_state != self.state:
h_opts = self.header_columns.options()
c_opts = self.columns.options()
if self.state == UIState.PLACEMENT_EDITOR:
self.update_machines_header()
self.header_columns.contents[-1] = (self.machines_header,
h_opts)
self.columns.contents[-1] = (self.machines_column, c_opts)
elif self.state == UIState.RELATION_EDITOR:
self.header_columns.contents[-1] = (self.relations_header,
h_opts)
self.columns.contents[-1] = (self.relations_column, h_opts)
elif self.state == UIState.CHARMSTORE_VIEW:
self.header_columns.contents[-1] = (self.charmstore_header,
h_opts)
self.columns.contents[-1] = (self.charmstore_column, h_opts)
elif self.state == UIState.OPTIONS_EDITOR:
self.header_columns.contents[-1] = (self.options_header,
h_opts)
self.columns.contents[-1] = (self.options_column, h_opts)
self.prev_state = self.state
self.services_column.update()
if self.state == UIState.PLACEMENT_EDITOR:
self.machines_column.update()
elif self.state == UIState.RELATION_EDITOR:
self.relations_column.update()
elif self.state == UIState.OPTIONS_EDITOR:
self.options_column.update()
else:
self.charmstore_column.update()
unplaced = self.placement_controller.unassigned_undeployed_services()
all = self.placement_controller.services()
n_subs_in_unplaced = len([c for c in unplaced if c.subordinate])
n_subs_in_all = len([c for c in all if c.subordinate])
n_total = len(all) - n_subs_in_all
remaining = len(unplaced) - n_subs_in_unplaced
if remaining > 0:
dmsg = "\nAuto-assigning {}/{} services".format(remaining, n_total)
else:
dmsg = ""
self.deploy_button_label.set_text(dmsg)
if self.showing_graph_split:
bundle = self.placement_controller.bundle
if self.show_scc_graph:
gtext = scc_graph_for_bundle(bundle, self.metadata_controller)
else:
gtext = graph_for_bundle(bundle, self.metadata_controller)
if gtext == "":
gtext = "No graph to display yet."
self.bundle_graph_text.set_text(gtext)
def browse_maas(self, sender):
bc = self.config.juju_env['bootstrap-config']
try:
p = Popen(["sensible-browser", bc['maas-server']],
stdout=PIPE,
stderr=PIPE)
outs, errs = p.communicate(timeout=5)
except TimeoutExpired:
# went five seconds without an error, so we assume it's
# OK. Don't kill it, just let it go:
return
e = errs.decode('utf-8')
msg = "Error opening '{}' in a browser:\n{}".format(bc['name'], e)
w = InfoDialogWidget(msg, self.remove_overlay)
self.show_overlay(w)
def do_clear_all(self, sender):
self.placement_controller.clear_all_assignments()
def do_add_charm(self, charm_name, charm_dict):
"""Add new service and focus its widget.
"""
assert (self.state == UIState.CHARMSTORE_VIEW)
def done_cb(f):
csid = CharmStoreID(charm_dict['Id'])
id_no_rev = csid.as_str_without_rev()
info = self.metadata_controller.get_charm_info(id_no_rev)
is_subordinate = info["Meta"]["charm-metadata"].get(
"Subordinate", False)
service_name = self.placement_controller.add_new_service(
charm_name, charm_dict, is_subordinate=is_subordinate)
self.frame.focus_position = 'body'
self.columns.focus_position = 0
self.update()
self.services_column.select_service(service_name)
# TODO MMCC: need a 'loading' indicator to start here
self.metadata_controller.load([charm_dict['Id']], done_cb)
def do_add_bundle(self, bundle_dict):
assert (self.state == UIState.CHARMSTORE_VIEW)
_, new_services, _ = self.placement_controller.merge_bundle(
bundle_dict)
self.frame.focus_position = 'body'
self.columns.focus_position = 0
charms = list(set([s.charm_source for s in new_services]))
self.metadata_controller.load(charms)
self.update()
ss = sorted(new_services, key=attrgetter('service_name'))
first_service = ss[0].service_name
self.services_column.select_service(first_service)
def do_clear_machine(self, sender, machine):
self.placement_controller.clear_assignments(machine)
def clear_selections(self):
self.services_column.clear_selections()
self.machines_column.clear_selections()
def reset_selections(self, top=False):
self.clear_selections()
self.state = UIState.CHARMSTORE_VIEW
self.update()
self.columns.focus_position = 0
if top:
self.services_column.focus_top()
else:
self.services_column.focus_next()
def focus_machines_column(self):
self.columns.focus_position = 1
self.machines_column.focus_prev_or_top()
def focus_relations_column(self):
self.columns.focus_position = 1
self.relations_column.focus_prev_or_top()
def focus_options_column(self):
self.columns.focus_position = 1
self.options_column.focus_prev_or_top()
def focus_charmstore_column(self):
self.columns.focus_position = 1
self.charmstore_column.focus_prev_or_top()
def edit_placement(self):
self.state = UIState.PLACEMENT_EDITOR
self.update()
self.focus_machines_column()
def show_default_view(self, *args):
self.state = UIState.CHARMSTORE_VIEW
self.update()
def edit_relations(self, service):
self.state = UIState.RELATION_EDITOR
self.relations_column.set_service(service)
self.update()
self.focus_relations_column()
def edit_options(self, service):
self.state = UIState.OPTIONS_EDITOR
self.options_column.set_service(service)
self.update()
self.focus_options_column()
def do_deploy(self, sender):
self.do_deploy_cb()
def show_overlay(self, overlay_widget):
if not self.showing_overlay:
self.orig_w = self._w
self._w = Overlay(top_w=overlay_widget,
bottom_w=self._w,
align='center',
width=('relative', 60),
min_width=80,
valign='middle',
height='pack')
self.showing_overlay = True
def remove_overlay(self, overlay_widget):
# urwid note: we could also get orig_w as
# self._w.contents[0][0], but this is clearer:
self._w = self.orig_w
self.showing_overlay = False