hawat.blueprints.performance package

This pluggable module provides access to system performance statistics.

hawat.blueprints.performance.BLUEPRINT_NAME = 'performance'

Name of the blueprint as module global constant.

class hawat.blueprints.performance.DataView[source]

Bases: vial.view.FileNameView

View reponsible for accessing raw performance data in RRD databases.

authentication = True
classmethod get_directory_path()[source]

Return absolute path to the directory, that will be used as a base path for serving files.

This method does not have any default implementation and must be overridden by a subclass.

Returns

Absolute path to the directory for serving files.

Return type

str

classmethod get_view_name()[source]

Return unique name for the view. Name must be unique in the namespace of parent blueprint/module and should contain only characters [a-z0-9]. It will be used for generating endpoint name for the view.

This method does not have any default implementation and must be overridden by a subclass.

Returns

Name for the view.

Return type

str

classmethod get_view_title(**kwargs)[source]

Return title for the view, that will be displayed in the title tag of HTML head element and also as the content of page header in h2 tag.

Default implementation returns the return value of vial.view.BaseView.get_menu_title() method by default.

Parameters

kwargs (dict) – Optional parameters.

Returns

Title for the view.

Return type

str

class hawat.blueprints.performance.PerformanceBlueprint(name, import_name, **kwargs)[source]

Bases: vial.app.VialBlueprint

Pluggable module - system processing performance (performance).

classmethod get_module_title()[source]

Get human readable name for this blueprint/module.

Returns

Name (short summary) of the blueprint/module.

Return type

str

register_app(app)[source]

Hook method: Custom callback, which will be called from vial.app.Vial.register_blueprint() method and which can perform additional tweaking of Vial application object.

Parameters

app (vial.app.Vial) – Application object.

class hawat.blueprints.performance.RRDDBView[source]

Bases: vial.view.FileNameView

View reponsible for accessing performance RRD databases.

authentication = True
classmethod get_directory_path()[source]

Return absolute path to the directory, that will be used as a base path for serving files.

This method does not have any default implementation and must be overridden by a subclass.

Returns

Absolute path to the directory for serving files.

Return type

str

classmethod get_view_name()[source]

Return unique name for the view. Name must be unique in the namespace of parent blueprint/module and should contain only characters [a-z0-9]. It will be used for generating endpoint name for the view.

This method does not have any default implementation and must be overridden by a subclass.

Returns

Name for the view.

Return type

str

classmethod get_view_title(**kwargs)[source]

Return title for the view, that will be displayed in the title tag of HTML head element and also as the content of page header in h2 tag.

Default implementation returns the return value of vial.view.BaseView.get_menu_title() method by default.

Parameters

kwargs (dict) – Optional parameters.

Returns

Title for the view.

Return type

str

class hawat.blueprints.performance.ViewView[source]

Bases: vial.view.mixin.HTMLMixin, vial.view.SimpleView

View reponsible for presenting system performance in using RRD charts.

authentication = True
do_before_response(**kwargs)[source]

This method will be called just before generating the response. By providing some meaningfull implementation you can use it for some simple item and response context mangling tasks.

Parameters

kwargs – Custom additional arguments.

classmethod get_menu_title(**kwargs)[source]

Return menu entry title for the view.

Default implementation returns the return value of vial.view.BaseView.get_view_title() method by default.

Parameters

kwargs (dict) – Optional parameters.

Returns

Menu entry title for the view.

Return type

str

classmethod get_view_icon()[source]

Return menu entry icon name for the view. Given name will be used as index to built-in icon registry.

Default implementation generates the icon name by concatenating the prefix module- with module name.

Returns

View icon.

Return type

str

classmethod get_view_name()[source]

Return unique name for the view. Name must be unique in the namespace of parent blueprint/module and should contain only characters [a-z0-9]. It will be used for generating endpoint name for the view.

This method does not have any default implementation and must be overridden by a subclass.

Returns

Name for the view.

Return type

str

classmethod get_view_title(**kwargs)[source]

Return title for the view, that will be displayed in the title tag of HTML head element and also as the content of page header in h2 tag.

Default implementation returns the return value of vial.view.BaseView.get_menu_title() method by default.

Parameters

kwargs (dict) – Optional parameters.

Returns

Title for the view.

Return type

str

hawat.blueprints.performance.get_blueprint()[source]

Mandatory interface for vial.Vial and factory function. This function must return a valid instance of vial.app.VialBlueprint or flask.Blueprint.