async def start_app(config: AppConfig,
scheduler: Scheduler,
start_streams: bool = False):
"""
Start Hopeit app specified by config
:param config: AppConfig, configuration for the app to start
:param start_streams: if True all stream events in app will start consuming
"""
app_engine = await runtime.server.start_app(app_config=config)
cors_origin = aiohttp_cors.setup(web_server,
defaults={
config.engine.cors_origin:
aiohttp_cors.ResourceOptions(
allow_credentials=True,
expose_headers="*",
allow_headers="*",
)
}) if config.engine.cors_origin else None
_setup_app_event_routes(app_engine)
for plugin in config.plugins:
plugin_engine = runtime.server.app_engine(app_key=plugin.app_key())
_setup_app_event_routes(app_engine, plugin_engine)
if cors_origin:
app = app_engine.app_config.app
_enable_cors(route_name('api', app.name, app.version), cors_origin)
if start_streams:
await _start_streams(app_engine, scheduler)
def app_route_name(app: AppDescriptor, *, event_name: str,
plugin: Optional[AppDescriptor] = None,
prefix: str = 'api', override_route_name: Optional[str] = None) -> str:
"""
Returns the full route name for a given app event
:param app: AppDescriptor, as defined in AppConfig
:param event_name: event name as defined in AppConfig
:param plugin: optional plugin if the event comes from a plugin and EventPlugMode=='OnApp'
:param prefix: route prefix, defaults to 'api'
:param override_route_name: Optional[str], provided route to be used instead app and event name,
if starts with '/', prefix will be ignored, otherwised appended to prefix
:return: str, full route name. i.e.:
/api/app-name/1x0/event-name or /api/app-name/1x0/plugin-name/1x0/event-name
"""
components = [
prefix, app.name, app.version,
*([plugin.name, plugin.version] if plugin else []),
*event_name.split('.')
] if override_route_name is None else [
override_route_name[1:]
] if override_route_name[0] == '/' else [
prefix, override_route_name
]
return route_name(*components)
async def app_startup_hook(config: AppConfig, enabled_groups: List[str], *args,
**kwargs):
"""
Start Hopeit app specified by config
:param config: AppConfig, configuration for the app to start
:param enabled_groups: list of event groups names to enable. If empty,
all events will be enabled.
"""
app_engine = await runtime.server.start_app(app_config=config,
enabled_groups=enabled_groups)
cors_origin = aiohttp_cors.setup(web_server,
defaults={
config.engine.cors_origin:
aiohttp_cors.ResourceOptions(
allow_credentials=True,
expose_headers="*",
allow_headers="*",
)
}) if config.engine.cors_origin else None
_setup_app_event_routes(app_engine)
for plugin in config.plugins:
plugin_engine = runtime.server.app_engine(app_key=plugin.app_key())
_setup_app_event_routes(app_engine, plugin_engine)
if cors_origin:
app = app_engine.app_config.app
_enable_cors(route_name('api', app.name, app.version), cors_origin)
def app_base_route_name(app: AppDescriptor, *, plugin: Optional[AppDescriptor] = None, prefix='api') -> str:
"""
Returns base route name for paths in a given app
"""
components = [
prefix, app.name, app.version,
*([plugin.name, plugin.version] if plugin else [])
]
return route_name(*components)
async def __postprocess__(result: RuntimeAppsConfig, context: EventContext,
response: PostprocessHook) -> str:
"""
Renders html from template, using cytospace data json
"""
response.set_content_type("text/html")
app_prefix = result.options.app_prefix
view_link = f"apps-visualizer?app_prefix={result.options.app_prefix}"
view_link += f"&host_filter={result.options.host_filter}"
view_link += f"&expanded_view={str(not result.options.expanded_view).lower()}"
view_link += f"&live={str(result.options.live).lower()}"
live_link = f"apps-visualizer?app_prefix={result.options.app_prefix}"
live_link += f"&host_filter={result.options.host_filter}"
live_link += f"&expanded_view={str(result.options.expanded_view).lower()}"
live_link += f"&live={str(not result.options.live).lower()}"
app_prefix = f"{result.options.app_prefix}*" if result.options.app_prefix else 'All running apps'
host_filter = f"*{result.options.host_filter}*" if result.options.host_filter else 'All servers'
view_type = "Effective Events" if result.options.expanded_view else "Configured Events"
live_type = "Live!" if result.options.live else "Static"
refresh_endpoint_comps = (['event-stats', 'live'] if result.options.live
else ['apps', 'events-graph'])
refresh_endpoint = route_name("api", context.app.name, context.app.version,
*refresh_endpoint_comps)
refresh_endpoint += f"?app_prefix={result.options.app_prefix}"
refresh_endpoint += f"&host_filter={result.options.host_filter}"
refresh_endpoint += f"&expanded_view={str(result.options.expanded_view).lower()}"
refresh_endpoint += f"&live={str(result.options.live).lower()}"
with open(_dir_path / 'events_graph_template.html') as f:
template = f.read()
template = template.replace("{{ app_prefix }}", app_prefix)
template = template.replace("{{ host_filter }}", host_filter)
template = template.replace("{{ view_link }}", view_link)
template = template.replace("{{ live_link }}", live_link)
template = template.replace("{{ refresh_endpoint }}", refresh_endpoint)
template = template.replace("{{ view_type }}", view_type)
template = template.replace("{{ live_type }}", live_type)
return template
def test_route_name():
assert route_name('api', 'app-name', '1.0') == '/api/app-name/1x0'
assert route_name('api', 'app_name', '1.0') == '/api/app-name/1x0'
assert route_name('api', 'app_name', '1x0') == '/api/app-name/1x0'
assert route_name('api', 'app-name', '1.0', 'plugin-name', '2.0') == \
'/api/app-name/1x0/plugin-name/2x0'
