nginx-amplify-agent/amplify/ext/phpfpm/objects/pool.py

90 lines
2.6 KiB
Python

# -*- coding: utf-8 -*-
import re
from amplify.agent.common.context import context
from amplify.agent.common.util.host import hostname
from amplify.ext.abstract.object import AbstractExtObject
from amplify.ext.phpfpm.collectors.pool.meta import PHPFPMPoolMetaCollector
from amplify.ext.phpfpm.collectors.pool.metrics import PHPFPMPoolMetricsCollector
__author__ = "Grant Hulegaard"
__copyright__ = "Copyright (C) Nginx, Inc. All rights reserved."
__license__ = ""
__maintainer__ = "Grant Hulegaard"
__email__ = "grant.hulegaard@nginx.com"
_LISTEN_RE = re.compile(r'(\$\w+)')
class PHPFPMPoolObject(AbstractExtObject):
type = 'phpfpm_pool'
def __init__(self, **kwargs):
super(PHPFPMPoolObject, self).__init__(**kwargs)
# cached values
self._local_id = self.data.get('local_id')
self._flisten = None
# attributes
self.file = self.data['file']
self.parent_local_id = self.data['parent_local_id']
self.listen = self.data['listen']
self.status_path = self.data['status_path']
# collectors
self._setup_meta_collector()
self._setup_metrics_collector()
@property
def local_id_args(self):
return self.parent_local_id, self.name
@property
def display_name(self):
# override abstract version for user-friendliness.
return "phpfpm %s @ %s" % (self.name, hostname())
@property
def flisten(self):
"""
This is a helper to take raw "listen" strings from phpfpm configs and attempt to format them into something
usable. This is primarily the replacing of "$pool" variable.
"""
if self._flisten is not None:
return self._flisten
SUPPORTED_VARS = {
'$pool': self.name,
}
formatted_listen = self.listen
for m in _LISTEN_RE.finditer(self.listen):
fpm_var = m.group(1) # e.g. "$pool"
if fpm_var in SUPPORTED_VARS:
formatted_listen = formatted_listen.replace(fpm_var, SUPPORTED_VARS[fpm_var])
else:
context.log.debug(
'found unsupported phpfpm conf variable "%s" in "%s" pool listen: "%s"' %
(fpm_var, self.name, self.listen)
)
self._flisten = formatted_listen
return self._flisten
def _setup_meta_collector(self):
self.collectors.append(
PHPFPMPoolMetaCollector(object=self, interval=self.intervals['meta'])
)
def _setup_metrics_collector(self):
self.collectors.append(
PHPFPMPoolMetricsCollector(object=self, interval=self.intervals['metrics'])
)