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import agent_util
import sys
import os
from datetime import datetime, timedelta
class LogstashForwarderPlugin(agent_util.Plugin):
textkey = "logstash_forwarder"
label = "Logstash Forwarder"
@classmethod
def get_metadata(self, config):
status = agent_util.SUPPORTED
msg = None
if not os.path.isdir("/var/log/logstash-forwarder"):
self.log.info("logstash-forwarder not found")
status = agent_util.UNSUPPORTED
msg = "logstash-forwarder log folder not found!"
return {}
data = {
"logs_per_minute": {
"label": "Logs forwarded per minute",
"options": None,
"status": status,
"error_message": msg,
"unit": None,
}
}
return data
def check(self, textkey, option, config):
cmd = "tail -25 /var/log/logstash-forwarder/logstash-forwarder.err"
retcode, output = agent_util.execute_command(cmd)
logs_per_min = 0
last_minute = output.strip().split("\n")
for item in last_minute:
if "processing" in item:
line = item.split()
time = " ".join(line[0:2])
parts = time.split(".")
time = datetime.strptime(parts[0], "%Y/%m/%d %H:%M:%S")
time = time.replace(microsecond=int(parts[1]))
if (datetime.now() - timedelta(seconds=60)) > time:
continue
else:
logs_per_min = logs_per_min + int(line[-2])
else:
continue
return logs_per_min