def _create_and_start_pipeline(self, instance_id, pipeline_config,
read_only_pipeline):
stream_port = self._get_next_available_port(instance_id)
camera_name = pipeline_config.get_camera_name()
if not self.cam_server_client.is_camera_online(camera_name):
raise ValueError(
"Camera %s is not online. Cannot start pipeline." %
camera_name)
_logger.info(
"Creating pipeline on port '%s' for camera '%s'. instance_id=%s",
stream_port, camera_name, instance_id)
self.add_instance(
instance_id,
PipelineInstance(instance_id=instance_id,
process_function=get_pipeline_function(
pipeline_config.get_pipeline_type()),
pipeline_config=pipeline_config,
output_stream_port=stream_port,
cam_client=self.cam_server_client,
background_manager=self.background_manager,
hostname=self.hostname,
read_only_config=read_only_pipeline))
self.start_instance(instance_id)
def _create_and_start_pipeline(self, instance_id, pipeline_config, read_only_pipeline):
if pipeline_config.get_pipeline_type() in (config.PIPELINE_TYPE_STREAM, config.PIPELINE_TYPE_CUSTOM):
camera_name = None
else:
camera_name = pipeline_config.get_camera_name()
if not self.cam_server_client.is_camera_online(camera_name):
raise ValueError("Camera %s is not online. Cannot start pipeline." % camera_name)
if pipeline_config.get_configuration().get("port"):
stream_port = int(pipeline_config.get_configuration().get("port"))
_logger.info("Creating pipeline on fixed port '%s' for camera '%s'. instance_id=%s" %
(stream_port, camera_name, instance_id))
else:
stream_port = self.get_next_available_port(instance_id)
_logger.info("Creating pipeline on port '%s' for camera '%s'. instance_id=%s" %
(stream_port, camera_name, instance_id))
self.add_instance(instance_id, PipelineInstance(
instance_id=instance_id,
process_function=get_pipeline_function(pipeline_config.get_pipeline_type()),
pipeline_config=pipeline_config,
stream_port=stream_port,
cam_client=self.cam_server_client,
background_manager=self.background_manager,
user_scripts_manager=self.user_scripts_manager,
hostname=self.hostname,
read_only_config=read_only_pipeline
))
self.start_instance(instance_id)
def _create_and_start_pipeline(self, instance_id, pipeline_config,
read_only_pipeline):
if pipeline_config.get_pipeline_type() in (
config.PIPELINE_TYPE_PROCESSING, config.PIPELINE_TYPE_STORE):
camera_name = pipeline_config.get_camera_name()
if not self.cam_server_client.is_camera_online(camera_name):
raise ValueError(
"Camera %s is not online. Cannot start pipeline." %
camera_name)
else:
camera_name = None
if pipeline_config.get_configuration().get("port"):
stream_port = int(pipeline_config.get_configuration().get("port"))
_logger.info(
"Creating pipeline on fixed port '%s' for camera '%s'. instance_id=%s"
% (stream_port, camera_name, instance_id))
else:
stream_port = self.get_next_available_port(instance_id)
_logger.info(
"Creating pipeline on port '%s' for camera '%s'. instance_id=%s"
% (stream_port, camera_name, instance_id))
pipeline_type = pipeline_config.get_pipeline_type()
if pipeline_type == config.PIPELINE_TYPE_SCRIPT:
pipeline_script = pipeline_config.get_configuration().get(
"pipeline_script")
if self.user_scripts_manager and self.user_scripts_manager.exists(
pipeline_script):
mod = load_source(
'mod', self.user_scripts_manager.get_path(pipeline_script))
process_function = mod.run
else:
raise ValueError("Invalid pipeline script: %s" %
pipeline_script)
else:
process_function = get_pipeline_function(pipeline_type)
self.add_instance(
instance_id,
PipelineInstance(instance_id=instance_id,
process_function=process_function,
pipeline_config=pipeline_config,
stream_port=stream_port,
cam_client=self.cam_server_client,
background_manager=self.background_manager,
user_scripts_manager=self.user_scripts_manager,
hostname=self.hostname,
read_only_config=read_only_pipeline))
self.start_instance(instance_id)
def validate_pipeline_config(configuration):
"""
Verify if the pipeline config has all the mandatory attributes.
:param configuration: Config to validate.
:return:
"""
if not configuration:
raise ValueError("Config object cannot be empty.\nConfig: %s" %
configuration)
if "camera_name" not in configuration:
raise ValueError("Camera name not specified in configuration.")
def verify_attributes(section_name, section, mandatory_attributes):
missing_attributes = [
attr for attr in mandatory_attributes if attr not in section
]
if missing_attributes:
raise ValueError(
"The following mandatory attributes were not found in the %s: %s"
% (section_name, missing_attributes))
# Verify root attributes.
verify_attributes("configuration", configuration,
PipelineConfig.DEFAULT_CONFIGURATION.keys())
image_good_region = configuration["image_good_region"]
if image_good_region:
verify_attributes("image_good_region", image_good_region,
PipelineConfig.DEFAULT_IMAGE_GOOD_REGION)
image_slices = configuration["image_slices"]
if image_slices:
verify_attributes("image_slices", image_slices,
PipelineConfig.DEFAULT_IMAGE_SLICES)
if not isinstance(image_slices["number_of_slices"], int):
raise ValueError("number_of_slices must be an integer.")
if image_slices["orientation"] not in ("vertical", "horizontal"):
raise ValueError(
"Invalid slice orientation '%s'. Slices orientation can be 'vertical' or 'horizontal'."
% image_slices["orientation"])
# Verify if the pipeline exists.
get_pipeline_function(configuration["pipeline_type"])
if configuration["pipeline_type"] == "store":
if "stream_port" not in configuration:
raise ValueError(
"Pipelines with pipeline_type='store' need 'stream_port' specified. "
"Config: %s" % configuration)
stream_port = configuration["stream_port"]
if not isinstance(stream_port, int):
raise ValueError(
"Property 'stream_port' must be an integer. Config: %s" %
configuration)
if config.PIPELINE_STREAM_PORT_RANGE[
0] <= stream_port <= config.PIPELINE_STREAM_PORT_RANGE[1]:
raise ValueError(
"Property 'stream_port' must be outside of the PIPELINE_STREAM_PORT_RANGE."
"Stream port range: %s Config: %s" %
(config.PIPELINE_STREAM_PORT_RANGE, configuration))
def validate_pipeline_config(configuration):
"""
Verify if the pipeline config has all the mandatory attributes.
:param configuration: Config to validate.
:return:
"""
if not configuration:
raise ValueError("Config object cannot be empty.\nConfig: %s" %
configuration)
def verify_attributes(section_name, section, mandatory_attributes):
missing_attributes = [
attr for attr in mandatory_attributes if attr not in section
]
if missing_attributes:
raise ValueError(
"The following mandatory attributes were not found in the %s: %s"
% (section_name, missing_attributes))
verify_attributes("configuration", configuration,
PipelineConfig.MANDATORY_ATTRIBUTES)
if (configuration["pipeline_type"] == config.PIPELINE_TYPE_PROCESSING
) or (configuration["pipeline_type"]
== config.PIPELINE_TYPE_STORE):
if "camera_name" not in configuration:
raise ValueError("Camera name not specified in configuration.")
if configuration["pipeline_type"] == config.PIPELINE_TYPE_PROCESSING:
# Verify root attributes.
verify_attributes("configuration", configuration,
PipelineConfig.DEFAULT_CONFIGURATION.keys())
image_good_region = configuration["image_good_region"]
if image_good_region:
verify_attributes("image_good_region", image_good_region,
PipelineConfig.DEFAULT_IMAGE_GOOD_REGION)
image_slices = configuration["image_slices"]
if image_slices:
verify_attributes("image_slices", image_slices,
PipelineConfig.DEFAULT_IMAGE_SLICES)
if not isinstance(image_slices["number_of_slices"], int):
raise ValueError("number_of_slices must be an integer.")
if image_slices["orientation"] not in ("vertical",
"horizontal"):
raise ValueError(
"Invalid slice orientation '%s'. Slices orientation can be 'vertical' or 'horizontal'."
% image_slices["orientation"])
# Verify if the pipeline exists.
get_pipeline_function(configuration["pipeline_type"])
if configuration.get("mode") == "FILE":
if not configuration.get("file"):
raise ValueError("File name not defined")