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Code Issues Releases Wiki Activity

Write process logs to console with a separate handler

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This commit is contained in:
Kristóf Tóth 2019-08-15 14:37:08 +02:00
parent 552c9f5f93
commit c84ac99141
3 changed files with 23 additions and 14 deletions
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1
tfw/components/frontend/__init__.py
View File

@ -1,2 +1,3 @@
from .frontend_proxy_handler import FrontendProxyHandler from .frontend_proxy_handler import FrontendProxyHandler
from .console_logs_handler import ConsoleLogsHandler
from .message_sender import MessageSender from .message_sender import MessageSender

19
tfw/components/frontend/console_logs_handler.py Normal file
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@ -0,0 +1,19 @@
import logging
LOG = logging.getLogger(__name__)
class ConsoleLogsHandler:
keys = ['process.log.new']
def __init__(self, *, stream):
self.stream = stream
def handle_event(self, message, connector):
try:
connector.send_message({
'key': 'console.write',
'value': message[self.stream]
})
except KeyError:
LOG.error('Invalid %s message received: %s', self.keys, message)

17
tfw/components/process_management/process_handler.py
View File

@ -3,18 +3,16 @@ from xmlrpc.client import Fault as SupervisorFault
from tfw.internals.networking import Scope from tfw.internals.networking import Scope
from .supervisor import ProcessManager, ProcessLogManager from .supervisor import ProcessManager
LOG = logging.getLogger(__name__) LOG = logging.getLogger(__name__)
class ProcessHandler(ProcessManager, ProcessLogManager): class ProcessHandler(ProcessManager):
keys = ['process'] keys = ['process']
def __init__(self, *, supervisor_uri, log_tail=0): def __init__(self, *, supervisor_uri):
ProcessManager.__init__(self, supervisor_uri) ProcessManager.__init__(self, supervisor_uri)
ProcessLogManager.__init__(self, supervisor_uri)
self.log_tail = log_tail
self.commands = { self.commands = {
'process.start': self.start_process, 'process.start': self.start_process,
@ -28,15 +26,6 @@ class ProcessHandler(ProcessManager, ProcessLogManager):
self.commands[message['key']](message['name']) self.commands[message['key']](message['name'])
except SupervisorFault as fault: except SupervisorFault as fault:
message['error'] = fault.faultString message['error'] = fault.faultString
finally:
message['stdout'] = self.read_stdout(
message['name'],
self.log_tail
)
message['stderr'] = self.read_stderr(
message['name'],
self.log_tail
)
connector.send_message(message, scope=Scope.WEBSOCKET) connector.send_message(message, scope=Scope.WEBSOCKET)
except KeyError: except KeyError:
if not message['key'].startswith('process.log'): if not message['key'].startswith('process.log'):