Current File : //usr/lib/fm-agent/plugins/opcache.py
import agent_util
import logging
from agent_util import float
try:
# Python 2.x
from urllib2 import urlopen
except ImportError:
from urllib.request import urlopen
logger = logging.getLogger(__name__)
class OpCachePlugin(agent_util.Plugin):
textkey = "opcache"
label = "PHP OpCache"
@classmethod
def update_metrics(self, config):
# Make initial call to opcache.py using url set in config
metric = {}
r = urlopen(config["opcache_url"])
reply = r.read()
reply = reply.strip().strip(";").split(";")
for item in reply:
if "time" in item:
continue
# So we can strip out the duplicate entries from the metadata like the duplicate free/used_memory stats
# did this because the first metric it returns is the actual correct one, the second is the default
elif item.split(":")[0] in metric.keys():
continue
elif "Array" in item:
continue
else:
metric_name = item.split(":")[0]
metric_value = item.split(":")[-1]
metric[metric_name] = float(metric_value)
return metric
@classmethod
def get_metadata(self, config):
status = agent_util.MISCONFIGURED
msg = "Missing/incorrect data in [opcache] block!"
if "opcache_url" in config:
url = config["opcache_url"]
status = agent_util.SUPPORTED
msg = None
else:
return {}
metadata = {}
metrics = self.update_metrics(config)
options = []
for textkey in metrics:
if textkey == "Array":
continue
metadata[textkey] = {
"label": textkey.replace("_", " ").title(),
"options": options,
"status": status,
"error_message": msg,
}
return metadata
def check(self, textkey, data, config):
tmp = self.update_metrics(config)
if textkey in tmp:
# Adjusting for MB since it outputs in bytes
if "memory" in textkey or "buffer" in textkey:
return float(tmp[str(textkey)]) / 1048576
else:
return tmp[str(textkey)]
else:
return None
Mini Shell