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Exporting YAML on dev envs with honcho and in production environments
would timeout. This was due to daphne handling the export request
in dev but not in production. This fixes network_ui to use uwsgi instead
of daphne to handle the request.
The ansible-network-ui prototype project builds a standalone Network UI
outside of Tower as its own Django application. The original prototype
code is located here:
https://github.com/benthomasson/ansible-network-ui.
The prototype provides a virtual canvas that supports placing
networking devices onto 2D plane and connecting those devices together
with connections called links. The point where the link connects
to the network device is called an interface. The devices, interfaces,
and links may all have their respective names. This models physical
networking devices is a simple fashion.
The prototype implements a pannable and zoomable 2D canvas in using SVG
elements and AngularJS directives. This is done by adding event
listeners for mouse and keyboard events to an SVG element that fills the
entire browser window.
Mouse and keyboard events are handled in a processing pipeline where
the processing units are implemented as finite state machines that
provide deterministic behavior to the UI.
The finite state machines are built in a visual way that makes
the states and transitions clearly evident. The visual tool for
building FSM is located here:
https://github.com/benthomasson/fsm-designer-svg. This tool
is a fork of this project where the canvas is the same. The elements
on the page are FSM states and the directional connections are called
transitions. The bootstrapping of the FSM designer tool and
network-ui happen in parallel. It was useful to try experiemental
code in FSM designer and then import it into network-ui.
The FSM designer tool provides a YAML description of the design
which can be used to generate skeleton code and check the implementation
against the design for discrepancies.
Events supported:
* Mouse click
* Mouse scroll-wheel
* Keyboard events
* Touch events
Interactions supported:
* Pan canvas by clicking-and-dragging on the background
* Zooming canvas by scrolling mousewheel
* Adding devices and links by using hotkeys
* Selecting devices, interaces, and links by clicking on their icon
* Editing labels on devices, interfaces, and links by double-clicking on
their icon
* Moving devices around the canvas by clicking-and-dragging on their
icon
Device types supported:
* router
* switch
* host
* racks
The database schema for the prototype is also developed with a visual
tool that makes the relationships in the snowflake schema for the models
quickly evident. This tool makes it very easy to build queries across
multiple tables using Django's query builder.
See: https://github.com/benthomasson/db-designer-svg
The client and the server communicate asynchronously over a websocket.
This allows the UI to be very responsive to user interaction since
the full request/response cycle is not needed for every user
interaction.
The server provides persistence of the UI state in the database
using event handlers for events generated in the UI. The UI
processes mouse and keyboard events, updates the UI, and
generates new types of events that are then sent to the server
to be persisted in the database.
UI elements are tracked by unique ids generated on the client
when an element is first created. This allows the elements to
be correctly tracked before they are stored in the database.
The history of the UI is stored in the TopologyHistory model
which is useful for tracking which client made which change
and is useful for implementing undo/redo.
Each message is given a unique id per client and has
a known message type. Message types are pre-populated
in the MessageType model using a database migration.
A History message containing all the change messages for a topology is
sent when the websocket is connected. This allows for undo/redo work
across sessions.
This prototype provides a server-side test runner for driving
tests in the user interface. Events are emitted on the server
to drive the UI. Test code coverage is measured using the
istanbul library which produces instrumented client code.
Code coverage for the server is is measured by the coverage library.
The test code coverage for the Python code is 100%.
* use embedded beat rather than standalone
* dynamically set celeryd hostname at runtime
* add embeded beat flag to celery startup
* Embedded beat mode routes will piggyback off of celery worker setup
signal
* Based on the tower topology (Instance and InstanceGroup
relationships), have celery dyamically listen to queues on boot
* Add celery task capable of "refreshing" what queues each celeryd
worker listens to. This will be used to support changes in the topology.
* Cleaned up some celery task definitions.
* Converged wrongly targeted job launch/finish messages to 'tower'
queue, rather than a 1-off queue.
* Dynamically route celery tasks destined for the local node
* separate beat process
add support for separate beat process
* Jupyter starts alongside the other awx services and is available on
0.0.0.0:8888
* make target: make jupyter
* default settings in settings/development.py
* Added jupyter, matplotlib, numpy to dev dependencies
* release_3.2.0: (138 commits)
Pull Dutch and Spanish translations
Increase verbosity of CTiT Logging test error handling
fix to console error of conditional toggle showing
Fix error message when calling remove on undefined DOM element
fix ctit logging toggle from being showed for log types other than https
Remove delete and edit buttons from smart inventory host list. Only option should be view.
feedback from PR
Enhance query string in ad hoc command event save to consider smart inventory
Fixed host filter clearall
fuller validation for host_filter
On JT form, Show credential tags from summary_fields if user doesn't have view permission on the credential
Align key toggle button to role dropdown in user team permissions modal
Removed rogue console.logs
Removed extra refresh call
Enhace query string in job event save to consider smart inventory
Fix typo in scan_packages plugin
Switch running_jobs and capacity table columns
Disable insights cred when user doesn't have edit permissions
Disallow changing credential_type of an existing credential
fix bug with host_filter RBAC check
...
