Stanislav Hejny
111 lines
4.1 KiB
Python
111 lines
4.1 KiB
Python
import configparser
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import os
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"""
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Convert configuration from properties file to an object.
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"""
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class AMQAdapter:
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"""
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configuration with prefix 'cm.amq-adapter'
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"""
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PREFIX: str = 'cm.amq-adapter.'
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def __init__(self, config: configparser.ConfigParser):
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"""
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cm.amq-adapter.service-name=amq-adapter
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cm.amq-adapter.generator-id=164
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cm.amq-adapter.route-mapping=
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:param config: config parser to read configuration values
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"""
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self.generator_id = config.getint('CleverMicro-AMQ', self.PREFIX + 'generator-id', fallback=164)
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self.service_name = config.get('CleverMicro-AMQ', self.PREFIX + 'service-name',
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fallback='amq-python-adapter-' + str(self.generator_id))
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self.route_mapping = config.get('CleverMicro-AMQ', self.PREFIX + 'route-mapping', fallback=None)
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def adapter_prefix(self) -> str:
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return f"{self.service_name}-{self.generator_id}-"
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class Dispatch:
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"""
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configuration with prefix 'cm.dispatch'
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"""
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PREFIX: str = 'cm.dispatch.'
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def __init__(self, config: configparser.ConfigParser):
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"""
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cm.dispatch.use-dlq=true
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cm.dispatch.use-confirms=false
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cm.dispatch.amq-host=rabbitmq
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cm.dispatch.amq-port=5672
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cm.dispatch.amq-port-tls=5671
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cm.dispatch.service-host=
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cm.dispatch.service-port=8080
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:param config: config parser to read configuration values
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"""
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self.use_dlq = config.getboolean('CleverMicro-AMQ', self.PREFIX + 'use-dlq', fallback=False)
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self.use_confirms = config.getboolean('CleverMicro-AMQ', self.PREFIX + 'use-confirms', fallback=False)
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self.amq_host = config.get('CleverMicro-AMQ', self.PREFIX + 'amq-host', fallback='rabbitmq')
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self.amq_port = config.getint('CleverMicro-AMQ', self.PREFIX + 'amq-port', fallback=5672)
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self.amq_port_tls = config.getint('CleverMicro-AMQ', self.PREFIX + 'amq-port-tls', fallback=5671)
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self.service_host = config.get('CleverMicro-AMQ', self.PREFIX + 'service-host', fallback='localhost')
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self.service_port = config.getint('CleverMicro-AMQ', self.PREFIX + 'service-port', fallback=8080)
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self.rabbit_mq_user = os.getenv("RABBIT_MQ_USER", "springuser")
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self.rabbit_mq_password = os.getenv("RABBIT_MQ_PASSWORD", "TheCleverWho")
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class Backpressure:
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"""
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configuration with prefix 'cm.backpressure'
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"""
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PREFIX: str = 'cm.backpressure.'
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def __init__(self, config: configparser.ConfigParser):
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"""
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cm.backpressure.threshold=20
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cm.backpressure.time-window=3000
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cm.backpressure.management-service-url=management-service:8080
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:param config: config parser to read configuration values
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"""
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self.management_service_url = config.get('CleverMicro-AMQ', self.PREFIX + 'management-service-url', fallback='management-service:8080')
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self.threshold = config.getint('CleverMicro-AMQ', self.PREFIX + 'threshold', fallback=20)
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self.time_window = config.getint('CleverMicro-AMQ', self.PREFIX + 'time-window', fallback=3000)
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DEFAULT_PROPERTIES_FILE = '/app/amqp/config/application.properties'
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class AMQConfiguration:
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"""
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Top level configuration context holder / object
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"""
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def __init__(self):
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config = configparser.ConfigParser()
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# Read the application.properties file
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if os.path.exists(DEFAULT_PROPERTIES_FILE):
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config.read(DEFAULT_PROPERTIES_FILE)
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else:
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config.read('../config/application.properties.local')
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# Override values with environment variables
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for section in config.sections():
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for option in config.options(section):
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# env_var = f"{section.upper()}_{option.upper()}"
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if option in os.environ:
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config.set(section, option, os.environ[option])
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#
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# Add individual config areas
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#
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self.amq_adapter: AMQAdapter = AMQAdapter(config)
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self.dispatch: Dispatch = Dispatch(config)
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self.backpressure: Backpressure = Backpressure(config)
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