def check(self, textkey, data, config={}):
if textkey == 'cpu_temp':
cpu_temp = 0
runs = 0
raw_temp = ''
while cpu_temp == 0 and runs < 3:
ret, raw_temp = agent_util.execute_command(
"cat /sys/class/thermal/thermal_zone0/temp")
t1 = float(raw_temp) / 1000
t2 = float(raw_temp) / 100
cpu_temp = float(t2 % t1)
runs += 1
self.log.error("Raw: %s - Measured: %s" %
(raw_temp.strip(), cpu_temp))
if cpu_temp == 0:
self.log.warning(
"CPU temp of '%s' doesn't seem right. Measuring again..."
% raw_temp.strip())
if runs >= 3:
self.log.error(
"Invalid CPU temp of '%s'. Retried 3 times and got same result!"
% raw_temp.strip())
return float("%.1f" % cpu_temp)
if textkey == 'gpu_temp':
ret, raw_temp = agent_util.execute_command(
"/opt/vc/bin/vcgencmd measure_temp")
gpu_temp = raw_temp.replace("temp=", "")
gpu_temp = gpu_temp.replace("'C", "")
return float(gpu_temp)
return 1337
def get_metadata(self, config):
status = agent_util.SUPPORTED
msg = None
iostat_bin = agent_util.which("iostat")
if not iostat_bin:
self.log.info("iostat not found")
status = agent_util.MISCONFIGURED
msg = "Install iostat."
return {}
# get our devices to monitor
devices = []
if 'freebsd' in platform:
ret_code, output = agent_util.execute_command("%s -dx" % iostat_bin)
output = output.splitlines()
if config.get("debug", False):
self.log.debug('#####################################################')
self.log.debug("IO stats command '%s -dx' output:" % iostat_bin)
self.log.debug(str(output))
self.log.debug('#####################################################')
for line in output[2:]:
try: dev, f2, f3, f4, f5, f6, f7, f8 = line.strip().split()
except: continue
dev = dev.strip()
devices.append(dev)
else:
ret_code, output = agent_util.execute_command("%s -d" % iostat_bin)
output = output.splitlines()
if config.get("debug", False):
self.log.debug('#####################################################')
self.log.debug("IO stats command '%s -d' output:" % iostat_bin)
self.log.debug(str(output))
self.log.debug('#####################################################')
for line in output[3:]:
try: dev, tps, blk_reads, blk_writes, blk_read, blk_write = line.strip().split()
except: continue
dev = dev.strip()
devices.append(dev)
# no devices? no resources to monitor then
if not devices:
status = agent_util.MISCONFIGURED
msg = "No devices found from iostat."
data = {
"stats.util": {
"label": "Percentage of CPU time during which I/O requests were issued to the device",
"options": devices,
"status": status,
"error_message": msg
}
}
return data
def check(self, textkey, data, config):
ret, blocked = agent_util.execute_command("1m=$(date \"+%b %e\");cat /var/log/pihole.log | awk '/\/etc\/pihole\/gravity.list/ {print $6}' | wc -l")
ret, queries = agent_util.execute_command("today=$(date \"+%b %e\");cat /var/log/pihole.log | awk '/query/ {print $6}' | wc -l")
# Should really make this a bit faster/leaner but this is pretty fast and uncomplicated.
if textkey == 'blocked.today':
return float(blocked)
if textkey == 'ad_traffic.today':
return ((float(blocked) / float(queries)) * 100.0)
if textkey == 'dns_queries.today':
return float(queries)
return 0
def execute_query(sid, config, query):
"Run an Oracle query via sqlplus and parse the results"
# Generate a temporary file for the query script
(file, filename) = tempfile.mkstemp()
orig_filename = filename
filename += ".sql"
f = open(filename, "w")
f.write("set pages 1000;\n %s\nquit;" % query)
f.close()
# Build the SQL*PLUS command and call it
cmd = "ORACLE_HOME=%s ORACLE_SID=%s " % (config["oracle_home"], sid)
cmd += os.path.join(config.get("oracle_home"), "bin", "sqlplus")
cmd += " -S %s/%s @%s" % (config["username"], config["password"], filename)
status, output = agent_util.execute_command(cmd)
# Remove our temporary file
os.remove(filename)
os.remove(orig_filename)
# Parse the output
results = []
lines = output.strip().split("\n")
columns = lines[0].lower().split()
for line in lines[2:]:
line = line.strip()
if not line:
continue
if line.endswith("rows selected."):
continue
values = line.split()
results.append(dict(zip(columns, values)))
return results
def check(self, textkey, dev_mount, config):
dev_mount = dev_mount.split()
device = dev_mount[0]
mounted = dev_mount[-1]
ret_code, output = agent_util.execute_command(get_df_cmd())
self.log.debug("df output: %s" % str(output))
output = output.splitlines()
for line in output[1:]:
if line.startswith('Filesystem'): continue
line = line.strip()
try: df_device, blocks, used, available, capacity, df_mounted = line.split()
except:
self.log.error("Unable to parse df output: %s" % line)
continue
if device in [df_device, df_mounted] or mounted in [df_device, df_mounted]:
if textkey == "usage.percent_used": return int(capacity.rstrip('%'))
elif textkey == "usage.kb_available": return int(available)
elif textkey == "filesystem.mounted": return True
if textkey == "filesystem.mounted": return False
else: raise Exception("device %r not found" % device)
def get_metadata(self, config):
status = agent_util.SUPPORTED
msg = None
# check for tomcat configuration block
if ("username" not in config or "console_url" not in config or "password" not in config):
self.log.info("tomcat is not configured")
status = agent_util.MISCONFIGURED
msg = "tomcat is not configured properly"
return {}
# check if tomcat is even installed or running
ret, output = agent_util.execute_command('wget -qO- %s' % config['console_url'])
if config.get("debug", False):
self.log.debug('#####################################################')
self.log.debug("Tomcat command 'wget -qO- %s' output:" % config['console_url'])
self.log.debug(str(output))
self.log.debug('#####################################################')
if ret != 0:
self.log.info("tomcat is not running or installed")
status = agent_util.UNSUPPORTED
msg = "tomcat not found"
return {}
data = {}
for metric, properties in get_all_data(config).items():
data[metric] = {
"label": metric,
"options": sorted(properties["options"].keys()),
"status": status,
"error_message": msg,
"unit": properties["unit"] or None
}
return data
def execute_query(config, query):
username = config['username'].strip()
password = config["password"].strip()
url = config['console_url']
queryType = 'wget -qO-'
query = query % (queryType, url, username, password)
ret, output = agent_util.execute_command(query)
return str(output)
def check(self, textkey, data, config={}):
exim_bin = agent_util.which("exim", exc=True)
retcode, output = agent_util.execute_command("%s -bpc" % exim_bin)
self.log.debug("exim -bpc output: %s" % str(output))
output = output.splitlines()
fields = output[0].split()
return int(fields[0])
def check(self, textkey, data, config):
if textkey.startswith("resource."):
sid = data
junk, metric, kind = textkey.split(".")
metric_mapping = {
"process": "processes",
"session": "sessions",
"enqueue_lock": "enqueue_locks",
"enqueue_resource": "enqueue_resources",
"ges_lock": "ges_locks",
"ges_proc": "ges_procs",
"ges_resource": "ges_ress",
"max_shared_servers": "max_shared_servers",
"transactions": "transactions",
}
results = execute_query(sid, config, resource_query)
for r in results:
if r["resource_name"] == metric_mapping.get(metric, None):
if kind == "current":
return int(r["current_utilization"])
elif kind == "max":
return int(r["max_utilization"])
elif textkey.startswith("tablespace"):
sid, tablespace = data.split(":")
results = execute_query(sid, config, tablespace_query)
for r in results:
if r["tablespace_name"] == tablespace:
if textkey.endswith(".size"):
return float(r["sizemb"])
elif textkey.endswith(".free"):
return float(r["freemb"])
elif textkey.endswith(".percent_free"):
if float(r["sizemb"]) == 0:
return 0.0
else:
return float(r["freemb"]) * 100.0 / float(r["sizemb"])
# If we got here, the target tablespace wasn't found
return 0
elif textkey == "tnslistener":
sid = data
ip_address = config.get("tns_listener_ip", "127.0.0.1")
cmd = "ORACLE_HOME=%s ORACLE_SID=%s " % (config["oracle_home"], sid)
cmd += "%s %s" % (os.path.join(config.get("oracle_home"), "bin", "tnsping"), ip_address)
status, output = agent_util.execute_command(cmd)
if "OK" in output:
return 1
else:
return 0
else:
# Unknown metric type, return 0 by default
return 0
def check(self, textkey, data, config):
ret, blocked = agent_util.execute_command(
"1m=$(date \"+%b %e\");cat /var/log/pihole.log | awk '/\/etc\/pihole\/gravity.list/ {print $6}' | wc -l"
)
ret, queries = agent_util.execute_command(
"today=$(date \"+%b %e\");cat /var/log/pihole.log | awk '/query/ {print $6}' | wc -l"
)
# Should really make this a bit faster/leaner but this is pretty fast and uncomplicated.
if textkey == 'blocked.today':
return float(blocked)
if textkey == 'ad_traffic.today':
return ((float(blocked) / float(queries)) * 100.0)
if textkey == 'dns_queries.today':
return float(queries)
return 0
def check(self, textkey, data, config):
query = ''
if (textkey == 'users.unique_login_count'):
query = 'who | wc -l'
if (textkey == 'users.total_login_count'):
query = 'who |cut -c 1-9 |sort -u |wc -l'
ret, output = agent_util.execute_command('%s' % query)
return int(output)
def get_sysctl_dict():
status, output = agent_util.execute_command("/sbin/sysctl -a")
if status != 0: raise Exception(output)
metadata = {}
for item in output.splitlines():
m = item.split(" = ")
try:
metadata[m[0]] = int(m[-1].strip())
except:
pass
return metadata
def execute_query(config, query):
cmd = agent_util.which("psql", exc=True)
if "username" in config: cmd += " -U %s" % config["username"]
cmd += " -d %s" % config.get("database", "postgres").strip()
cmd += (" -c %r" % query)
cmd = 'su - %s -c "%s"' % (config.get("username", "postgres"), cmd)
if "password" in config and config["password"].strip():
cmd = "PGPASSWORD=%s %s" % (config["password"].strip(), cmd)
status, output = agent_util.execute_command(cmd)
if status != 0: raise Exception(output)
output = agent_util.StringIO(output)
parsed_output = list(csv.reader(output, delimiter="|"))
return parsed_output
def execute_query(config, query):
cmd = agent_util.which("mysql", exc=True)
if "username" in config: cmd += " -u %s" % config["username"]
if "password" in config and config["password"].strip():
cmd += " -p%s" % config["password"].strip()
cmd += (" -Be %r" % str(query))
if "database" in config:
cmd += " %s" % config["database"].strip()
status, output = agent_util.execute_command(cmd)
if status != 0: raise Exception(output)
output = agent_util.StringIO(output)
parsed_output = list(csv.reader(output, delimiter="\t"))
return parsed_output
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
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
def execute_query(query, config):
mongo = agent_util.which("mongo", exc=True)
query = "printjson(%s)" % query
cmd = "%s --eval %r" % (mongo, query)
if "username" in config: cmd += " -u %s" % config["username"]
if "password" in config and config["password"].strip():
cmd += " -p%s" % config["password"].strip()
status, output = agent_util.execute_command(cmd)
if status != 0: raise Exception(output)
result = "\n".join(output.split("\n")[2:])
result = re.sub("Timestamp\((.*?), (.*?)\)", r'{"__timestamp__": {"t": \1, "i": \2}}', result)
result = re.sub("ISODate\((.*?)\)", r'{"__datetime__": \1}', result)
result = json.loads(result, object_hook=custom_json_converter)
return result
def get_metadata(self, config):
status = agent_util.SUPPORTED
msg = None
# check if oracle weblogic is installed, running, and on path
set_env_command = ("source %s; " % os.path.join(config['wl_home'], "server/bin/setWLSEnv.sh")) if 'wl_home' in config else ""
installed = agent_util.which("java") and agent_util.execute_command(set_env_command + "java weblogic.Admin")
if not installed:
self.log.info("oracle weblogic not installed or not on path")
status = agent_util.UNSUPPORTED
msg = "oracle weblogic not installed or not on path"
return {}
if not ("wl_home" in config and "username" in config and "password" in config):
self.log.info("Weblogic configuration parameters missing")
return {}
if not os.path.exists(os.path.join(config['wl_home'], "server/bin/setWLSEnv.sh")):
self.log.info("Weblogic setWLSEnv.sh script not found")
return {}
if status is agent_util.SUPPORTED:
try: output = get_metric(config, "ApplicationRuntime")
except:
self.log.exception("error getting weblogic metric")
status = agent_util.MISCONFIGURED
msg = "Double check your Weblogic login username and password as well as wl_home."
data = {}
for type, vals in metrics.items():
try: output = get_metric(config, vals["type"])
except: continue
for property, meta in vals["metrics"].items():
textkey = "%s.%s" % (type, property)
data[textkey] = {
"label": meta["label"],
"options": meta.get('options', None),
"status": status,
"error_message": msg
}
if "unit" in meta: data[textkey]["unit"] = meta["unit"]
return data
def get_metric(config, type, property=None):
if 'wl_home' in config:
set_env_command = ("source %s; " % os.path.join(config['wl_home'], "server/bin/setWLSEnv.sh"))
else:
set_env_command = ""
cmd = set_env_command + "java weblogic.Admin"
if "username" in config: cmd += " -username %s" % config["username"]
if "password" in config and config["password"].strip(): cmd += " -password %s" % config["password"].strip()
cmd += " GET -pretty -type %s" % type
if property: cmd += " -property %s" % property
status, output = agent_util.execute_command(cmd)
if status != 0: raise Exception(output)
output = output.strip().split("\n")[-1]
if not property:
if output == "No MBeans found": raise Exception(output)
else: return output
else:
parsed_output = output[output.index(":") + 1:].strip()
return parsed_output
def get_cpu_metrics(cls):
retcode, output = agent_util.execute_command("cat /proc/stat")
cls.log.debug("cat /proc/stat output: %s" % str(output))
output = output.splitlines()
cpus = {}
for line in output:
if not line.startswith("cpu"): continue
parts = filter(lambda p: p, line.split(" "))
core = parts[0]
if core == "cpu": core = "Total"
user, nice, system, idle, iowait, irq, softirq = map(int, parts[1:8])
cpus[core] = {
"user": user,
"nice": nice,
"system": system,
"idle": idle,
"iowait": iowait,
"irq": irq,
"softirq": softirq
}
return cpus
def check(self, textkey, device, config):
iostat_bin = agent_util.which("iostat")
ret, output = agent_util.execute_command("%s -dx %s 1 2" % (iostat_bin, device))
if config.get("debug", False):
self.log.debug('#####################################################')
self.log.debug("IO stats command '%s -dx %s 1 2' output:" % (iostat_bin, device))
self.log.debug(str(output))
self.log.debug('#####################################################')
self.log.debug("iostat -dx output: %s" % str(output))
if 'freebsd' in platform:
output = output.splitlines()
output = output[3].strip().split()
util = float(output[7].strip())
else:
output = output.splitlines()
output = output[6].strip().split()
util = float(output[11].strip())
return util
def execute_query(config, query, data=None):
if "username" in config:
username = config['username'] + ':'
else:
username = ''
if ("password" in config and config["password"].strip()):
password = config["password"].strip() + '@'
else:
password = ''
url = config['console_url'].replace('://', '://' + username + password)
if (check_for_curl_installation()):
queryType = 'curl --digest --silent'
else:
queryType = 'wget -qO-'
if (data != None):
query = query % (queryType, url, data)
else:
query = query % (queryType, url)
ret, output = agent_util.execute_command(query)
return str(output);
def get_metadata(self, config):
if 'freebsd' in sys.platform:
status = agent_util.SUPPORTED
msg = None
if not agent_util.which("sysctl"):
self.log.info("sysctl binary not found")
status = agent_util.UNSUPPORTED
msg = "sysctl binary not found"
return {}
if status is agent_util.SUPPORTED:
ret, output = agent_util.execute_command("sysctl -a")
if config.get("debug", False):
self.log.debug('#####################################################')
self.log.debug("Memory Usage command 'sysctl -a' output:")
self.log.debug(str(output))
self.log.debug('#####################################################')
if ret != 0 or not output:
status = agent_util.UNSUPPORTED
msg = "error executing 'sysctl -a'"
if status is agent_util.SUPPORTED:
d = self._parse_sysctl(output)
required_keys = (
"hw.pagesize",
"hw.physmem",
"vfs.bufspace",
"vm.stats.vm.v_inactive_count",
"vm.stats.vm.v_active_count",
"vm.stats.vm.v_cache_count",
"vm.stats.vm.v_free_count"
)
# here we're making sure the set of all the keys we need
# are in the set of all keys (subset)
if not set(d.keys()).issubset(set(required_keys)):
status = agent_util.UNSUPPORTED
msg = "could not find all the required sysctl keys"
data = {
"ram.percent": {
"label": "RAM percent usage",
"options": None,
"status": status,
"error_message": msg,
"unit": "percent"
},
"ram.kb_used": {
"label": "RAM used (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
"ram.kb_buffer": {
"label": "RAM buffer (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
"ram.kb_active": {
"label": "RAM active (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
"ram.kb_inactive": {
"label": "RAM inactive (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
"ram.kb_cached": {
"label": "RAM cached (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
}
return data
elif 'aix' in sys.platform:
status = agent_util.SUPPORTED
msg = None
data = {
"ram.percent": {
"label": "RAM percent usage",
"options": None,
"status": status,
"error_message": msg
},
"ram.kb_used": {
"label": "RAM used (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
"swap.percent": {
"label": "Swap percent usage",
"options": None,
"status": status,
"error_message": msg
},
"swap.kb_used": {
"label": "Swap used (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
}
return data
elif 'sunos' in sys.platform:
status = agent_util.SUPPORTED
msg = None
data = {
"ram.percent": {
"label": "RAM percent usage",
"options": None,
"status": status,
"error_message": msg
},
"ram.kb_used": {
"label": "RAM used (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
}
return data
else:
# Default Linux logic
status = agent_util.SUPPORTED
msg = None
if not os.path.exists("/proc/meminfo"):
status = agent_util.MISCONFIGURED
msg = "Enable procfs."
data = {
"ram.percent": {
"label": "RAM percent usage",
"options": None,
"status": status,
"error_message": msg
},
"ram.kb_used": {
"label": "RAM used (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
"ram.kb_buffer": {
"label": "RAM buffer (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
"swap.percent": {
"label": "Swap percent usage",
"options": None,
"status": status,
"error_message": msg,
"unit": "percent",
},
"swap.kb_used": {
"label": "Swap used (Kb)",
"options": None,
"status": status,
"error_message": msg
},
"ram.kb_active": {
"label": "RAM active (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
"ram.kb_inactive": {
"label": "RAM inactive (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
"ram.kb_cached": {
"label": "RAM cached (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
},
"swap.kb_cached": {
"label": "Swap cached (kB)",
"options": None,
"status": status,
"error_message": msg,
"unit": "kB"
}
}
return data
def check(self, textkey, data, config):
if 'aix' in sys.platform or 'sunos' in sys.platform:
#ps_cmd = "ps -eo %p' '%a"
if 'aix' in sys.platform:
ps_cmd = "ps axww"
elif 'sunos' in sys.platform:
ps_cmd = "ps -eo pid' 'args"
retcode, output = agent_util.execute_command(ps_cmd)
output = output.split('\n')
if textkey.endswith('.full'): textkey = textkey.rstrip('.full')
if textkey == 'process.running_count':
return len(output)-1
else:
count = 0
pids = []
for line in output[1:]:
if data in line:
count += 1
pids.append(line.split()[0])
if textkey == 'process.named_count':
return count
elif textkey == 'process.exists':
if count: return 1
else: return 0
elif textkey in ["process.named_memory_percentage", "process.named_cpu_percentage"]:
all_cpu = 0
all_mem = 0
for pid in pids:
if 'aix' in sys.platform:
ps = "ps -fp %s -o pcpu' 'pmem" % pid
elif 'sunos' in sys.platform:
ps = "ps -fp %s -o pcpu' 'pmem" % pid
ret, output = agent_util.execute_command(ps)
output = output.strip().split('\n')
if len(output) < 2: continue
fields = output[1].split()
cpu = float(fields[0])
mem = float(fields[1])
all_cpu += cpu
all_mem += mem
if textkey == "process.named_memory_percentage": return all_mem
else: return all_cpu
# Unknown AIX/Solaris textkey
return None
# Default Linux/FreeBSD logic
full = ""
if textkey.endswith(".full"):
textkey = textkey.rstrip(".full")
full = "-f"
if textkey == "process.running_count" or textkey == "count":
num = 0
for f in os.listdir("/proc"):
if f.isdigit(): num += 1
return num
if textkey == "process.named_count":
ret, output = agent_util.execute_command("pgrep %s %s" % (full, data))
if not output.strip(): return 0
else: return len(output.strip().split("\n"))
elif textkey == "process.exists":
ret, output = agent_util.execute_command("pgrep %s %s" % (full, data))
if not output.strip(): return 0
else: return 1
elif textkey in ["process.named_memory_percentage", "process.named_cpu_percentage"]:
ret, output = agent_util.execute_command("pgrep %s %s" % (full, data))
if not output.strip(): return 0
all_cpu = 0
all_mem = 0
for pid in output.strip().split("\n"):
ret, output = agent_util.execute_command("ps -p %s -o %%cpu,%%mem" % pid)
if not output.strip() or len(output.strip().split("\n")) == 1: continue
cpu, mem = [float(n.strip()) for n in output.strip().split("\n")[1].strip() .split(" ") if n.strip()]
all_cpu += cpu
all_mem += mem
if textkey == "process.named_memory_percentage": return all_mem
else: return all_cpu
return 0
def check(self, textkey, interface, config):
interface_found = False
if 'freebsd' in sys.platform:
ret, output = agent_util.execute_command("netstat -ib")
lines = output.splitlines()[1:]
for line in lines:
line = line.split()
si, mtu, network, addr, packets_read, ierr, idrop, bytes_read, packets_written, oerr, bytes_written, coll = line
packets_read = int(packets_read)
packets_written = int(packets_written)
kbytes_read = int(bytes_read) / 1024
kbytes_written = int(bytes_written) / 1024
if si == interface and network.startswith("<Link"):
interface_found = True
break
elif 'aix' in sys.platform:
ret, output = agent_util.execute_command('netstat -v %s | grep "^Bytes:"' % interface)
fields = output.split()
kbytes_written = int(fields[1])/1024
kbytes_read = int(fields[3])/1024
ret, output = agent_util.execute_command('netstat -v %s | grep "^Packets:"' % interface)
fields = output.split()
packets_written = int(fields[1])/1024
packets_read = int(fields[3])/1024
interface_found = True
elif 'sunos' in sys.platform:
ret, output = agent_util.execute_command('netstat -i')
for line in output.split('\n'):
fields = line.strip().split()
if not fields: continue
if fields[0] == interface:
interface_found = True
packets_read = int(fields[4])
packets_written = int(fields[6])
kbytes_read = 0
kbytes_written = 0
ret, output = agent_util.execute_command("kstat -n %s 1 2 | egrep 'bytes64' | uniq" % interface)
for line in output.split('\n'):
if not line: continue
if 'obytes' in line:
fields = line.split()
kbytes_read = int(fields[1]) / 1024
elif 'rbytes' in line:
fields = line.split()
kbytes_written = int(fields[1]) / 1024
else:
output = open("/proc/net/dev", "r").read()
self.log.debug("/proc/net/dev output: %s" % str(output))
output = output.splitlines()
for line in output[2:]:
stuff = line.strip().split()
if not stuff[0].endswith(":"):
stuff[0], new_insert = stuff[0].split(":")
stuff.insert(1, new_insert)
else: stuff[0] = stuff[0].rstrip(":")
iface = stuff[0]
bytes_read = int(stuff[1])
bytes_written = int(stuff[9])
kbytes_read = int(bytes_read) / 1024
kbytes_written = int(stuff[9]) / 1024
packets_read = int(stuff[2])
packets_written = int(stuff[10])
if interface == iface:
interface_found = True
break
# Special handling for monthly bandwidth - each time through we bank the
# difference in the current reading vs. the previous, taking into account
# cases where we cross a month boundary and when the byte counters wrap
if textkey.startswith("bandwidth.monthly"):
if textkey == "bandwidth.monthly.in":
current_bytes = bytes_read
else:
current_bytes = bytes_written
# First get the cached values
c = self.get_cache_results(textkey+":current_bytes", interface)
previous_bytes = c and c[0][1] or current_bytes
c = self.get_cache_results(textkey+":banked_bytes", interface)
banked_bytes = c and c[0][1] or 0
c = self.get_cache_results(textkey+":current_month", interface)
current_month = c and c[0][1] or datetime.now().month
c = self.get_cache_results(textkey+":current_year", interface)
current_year = c and c[0][1] or datetime.now().year
now = datetime.now()
if now.year != current_year or now.month != current_month:
# If we"ve crossed a month boundary, zero out bank and reset counters
banked_bytes = 0
current_year = now.year
current_month = now.month
previous_bytes = current_bytes
elif current_bytes < previous_bytes:
# The OS counters wrapped, need to handle this
banked_bytes += current_bytes
previous_bytes = current_bytes
else:
# Standard case, just bank the difference between current and last
banked_bytes += (current_bytes - previous_bytes)
previous_bytes = current_bytes
# Cache the new values
self.cache_result(textkey+":current_bytes", interface, current_bytes, replace=True)
self.cache_result(textkey+":banked_bytes", interface, banked_bytes, replace=True)
self.cache_result(textkey+":current_month", interface, current_month, replace=True)
self.cache_result(textkey+":current_year", interface, current_year, replace=True)
return banked_bytes/1024
# Because of AIX's interface naming convention, every
# command provides a different interface name, we need to ignore that
if "aix" in sys.platform:
pass
else:
if not interface_found: raise Exception("interface %s not found!?" % interface)
# try to get the old cache
cache = self.get_cache_results(textkey, interface)
# cache our result always
if textkey == "bandwidth.kbytes.in": result = kbytes_read
elif textkey == "bandwidth.kbytes.out": result = kbytes_written
elif textkey == "bandwidth.packets.in": result = packets_read
elif textkey == "bandwidth.packets.out": result = packets_written
self.cache_result(textkey, interface, result)
if not cache: return 0.0
delta, cached_result = cache[0]
self.log.debug("kbytes read: %d" % kbytes_read)
self.log.debug("kbytes written: %d" % kbytes_written)
self.log.debug("packets read: %d" % packets_read)
self.log.debug("packets written: %d" % packets_written)
return (result - cached_result) / float(delta)
def get_metadata(self, config):
status = agent_util.SUPPORTED
msg = None
if not agent_util.which("df", exc=False):
self.log.info("df binary not found")
status = agent_util.UNSUPPORTED
msg = "df binary not found"
return {}
devices = []
if status is agent_util.SUPPORTED:
ret_code, output = agent_util.execute_command(get_df_cmd())
output = output.splitlines()
if config.get("debug", False):
self.log.debug('#####################################################')
self.log.debug("Disk command '%s' output :" % get_df_cmd())
self.log.debug(str(output))
self.log.debug('#####################################################')
if "aix" in sys.platform or "sunos" in sys.platform:
self.device_ignore_list = self.device_ignore_list + ("proc", "swap")
for line in output[1:]:
line = line.strip()
try:
device, blocks, used, available, capacity, mounted = line.split()
if device in self.device_ignore_list: continue
devices.append("%s mounted at %s" % (device, mounted))
except:
self.log.error("Unable to parse df output: %s" % line)
continue
if status is agent_util.SUPPORTED and not devices:
status = agent_util.MISCONFIGURED
msg = "No disks found (or none visible from df)."
data = {
"usage.percent_used": {
"label": "Percentage of disk used",
"options": devices,
"status": status,
"error_message": msg,
"unit": "percent",
},
"usage.kb_available": {
"label": "Disk space available",
"options": devices,
"status": status,
"error_message": msg,
"unit": "kB"
},
"filesystem.mounted": {
"label": "Filesystem mounted",
"options": devices,
"status": status,
"error_message": msg,
},
}
return data
def execute_query(query):
ret, output = agent_util.execute_command(query)
return str(output);
def get_metadata(self, config):
status = agent_util.SUPPORTED
msg = None
interfaces = set()
if 'freebsd' in sys.platform:
if not agent_util.which("netstat"):
self.log.info("netstat not found")
status = agent_util.UNSUPPORTED
msg = "Please install netstat."
return {}
if status is agent_util.SUPPORTED:
ret, output = agent_util.execute_command("netstat -ib")
if config.get("debug", False):
self.log.debug('#####################################################')
self.log.debug("Bandwidth command 'netstat -ib' output:")
self.log.debug(output)
self.log.debug('#####################################################')
output = output.splitlines()[1:]
for line in output:
stuff = line.strip().split()
iface = stuff[0]
interfaces.add(iface)
elif 'aix' in sys.platform:
if not agent_util.which("netstat"):
self.log.info("netstat not found")
status = agent_util.UNSUPPORTED
msg = "Please install netstat."
return {}
# Get the list of network devices
interfaces = []
ret, output = agent_util.execute_command("netstat -v | grep 'ETHERNET STATISTICS'")
output = output.strip().split('\n')
for line in output:
fields = line.split()
try:
interfaces.append(fields[2].strip('(').strip(')'))
except:
pass
metadata = {}
metadata["bandwidth.kbytes.in"] = {
"label": "Kilobytes IN per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "kB"
}
metadata["bandwidth.kbytes.out"] = {
"label": "Kilobytes OUT per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "kB"
}
metadata["bandwidth.packets.in"] = {
"label": "Packets IN per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "packets"
}
metadata["bandwidth.packets.out"] = {
"label": "Packets OUT per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "packets"
}
return metadata
elif 'sunos' in sys.platform:
if not agent_util.which("netstat"):
self.log.info("netstat not found")
status = agent_util.UNSUPPORTED
msg = "Please install netstat."
return {}
# Get the list of network devices
interfaces = []
ret, output = agent_util.execute_command("netstat -i")
output = output.strip().split('\n')
for line in output:
fields = line.split()
if fields[0] in ('lo', 'inet', 'ether', 'Name'): continue
try:
interfaces.append(fields[0])
except:
pass
metadata = {}
metadata["bandwidth.kbytes.in"] = {
"label": "Kilobytes IN per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "kB"
}
metadata["bandwidth.kbytes.out"] = {
"label": "Kilobytes OUT per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "kB"
}
metadata["bandwidth.packets.in"] = {
"label": "Packets IN per second",
"options": interfaces, "status": status,
"error_message": msg,
"unit": "packets"
}
metadata["bandwidth.packets.out"] = {
"label": "Packets OUT per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "packets"
}
return metadata
else:
# Default Linux options
if not os.path.exists("/proc/net/dev"):
self.log.info("/proc/net/dev not found")
status = agent_util.UNSUPPORTED
msg = "/proc/net/dev not found"
return {}
if status is agent_util.SUPPORTED:
# get the interfaces
output = open("/proc/net/dev", "r").read()
output = output.splitlines()
if config.get("debug", False):
self.log.debug('#####################################################')
self.log.debug("Content of file '/proc/net/dev':")
self.log.debug(str(output))
self.log.debug('#####################################################')
for line in output[2:]:
stuff = line.strip().split()
iface, bytes_read = stuff[0].split(":")
interfaces.add(iface)
interfaces = list(interfaces)
interfaces.sort()
if status is agent_util.SUPPORTED and not interfaces:
status = agent_util.MISCONFIGURED
msg = "No network interfaces found."
metadata = {}
metadata["bandwidth.kbytes.in"] = {
"label": "Kilobytes IN per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "kB"
}
metadata["bandwidth.kbytes.out"] = {
"label": "Kilobytes OUT per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "kB"
}
metadata["bandwidth.packets.in"] = {
"label": "Packets IN per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "packets"
}
metadata["bandwidth.packets.out"] = {
"label": "Packets OUT per second",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "packets"
}
if 'freebsd' not in sys.platform:
metadata["bandwidth.monthly.in"] = {
"label": "Kilobytes IN for the month",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "kB"
}
metadata["bandwidth.monthly.out"] = {
"label": "Kilobytes OUT for the month",
"options": interfaces,
"status": status,
"error_message": msg,
"unit": "kB"
}
return metadata
def check(self, textkey, data, config={}):
# AIX-specific logic
if 'aix' in sys.platform:
if textkey.startswith('load_average'):
retcode, output = agent_util.execute_command('uptime')
fields = output.strip().split()
if textkey == 'load_average.1':
return float(fields[-3].strip(','))
elif textkey == 'load_average.5':
return float(fields[-2].strip(','))
elif textkey == 'load_average.15':
return float(fields[-1])
else:
return None
else:
retcode, output = agent_util.execute_command('iostat | grep -p tty')
output = output.strip().split('\n')
self.log.debug("iostat output: %s" % output)
iostatline = False
enti = False
entc = 0
inuse = 0
user = 0
system = 0
idle = 0
iowait = 0
for line in output:
if line.startswith('tty'):
iostatline = True
if 'entc' in line.split()[-1]:
enti = True
continue
fields = line.split()
user = float(fields[2])
system = float(fields[3])
idle = float(fields[4])
iowait = float(fields[5])
if enti == True:
entc = float(fields[-1])
inuse = 100. - idle
if textkey == 'usage_percentage':
return inuse
elif textkey == 'user_usage_percentage':
print user
elif textkey == 'system_usage_percentage':
return system
elif textkey == 'idle_usage_percentage':
return idle
elif textkey == 'iowait_usage_percentage':
return iowait
elif textkey == 'cpu_entitlement_percentage' and enti == True:
return entc
# If we got here, we don't know how to gather this metric
# for AIX - return None
return None
elif 'sunos' in sys.platform:
retcode, output = agent_util.execute_command('mpstat')
output = output.split('\n')
for line in output:
if 'CPU' in line or not line: continue
fields = line.split()
if textkey == 'usage_percentage':
return 100.-float(fields[-1])
elif textkey == 'user_usage_percentage':
return float(fields[-4])
elif textkey == 'system_usage_percentage':
return float(fields[-3])
elif textkey == 'idle_usage_percentage':
return float(fields[-1])
elif textkey == 'iowait_usage_percentage':
return float(fields[-2])
# If we got here we don't know how to gather this metric for Solaris
return None
# Default Linux/FreeBSD logic
usage_textkey_map = {
'user_usage_percentage': 'us',
'system_usage_percentage': 'sy',
'idle_usage_percentage': 'id',
'iowait_usage_percentage': 'wa',
'irq_usage_percentage': 'hi',
'softirg_usage_percentage': 'si',
'stealtime_usage_percentage': 'st',
'nice_usage_percentage': 'ni',
}
if textkey.startswith("load_average") or textkey in usage_textkey_map:
retcode, output = agent_util.execute_command("top -b -n 1")
if config.get("debug", False):
self.log.debug('#####################################################')
self.log.debug("CPU usage command 'top -b -n 1' output :")
self.log.debug(str(output))
self.log.debug('#####################################################')
self.log.debug("top -b -n 1 output: %s" % str(output))
output = output.splitlines()
if textkey.startswith("load_average"):
fields = output[0].split()
if textkey == "load_average.1": index = -3
elif textkey == "load_average.5": index = -2
elif textkey == "load_average.15": index = -1
return float(fields[index].strip(","))
else:
fields = [f.strip(",") for f in output[2].split()][1:]
fields = dict([(f[f.index("%") + 1:], float(f[0:f.index("%")])) for f in fields])
return fields[usage_textkey_map[textkey]]
elif textkey == 'usage_percentage':
old_stat = get_cpu_metrics(self)[data]
time.sleep(0.5)
current_stat = get_cpu_metrics(self)[data]
old_usage = old_stat["user"] + old_stat["nice"] + old_stat["system"] + old_stat["idle"]
current_usage = current_stat["user"] + current_stat["nice"] + current_stat["system"] + current_stat["idle"]
usage = int(100.0 * ((current_usage - old_usage) - (current_stat["idle"] - old_stat["idle"])) / (current_usage - old_usage))
return usage
return 0
def get_metadata(self, config):
package_count_status = agent_util.UNSUPPORTED
package_date_status = agent_util.UNSUPPORTED
package_count_msg = None
package_date_msg = None
if IS_DEBIAN or IS_REDHAT:
package_date_status = agent_util.SUPPORTED
if IS_DEBIAN:
try:
import apt_check
if agent_util.execute_command("sudo /usr/bin/apt-get")[0] == 0:
package_count_status = agent_util.SUPPORTED
except:
package_count_msg = "Insufficient permission - enable sudo access to apt-get for agent user"
else:
if agent_util.execute_command("sudo /usr/bin/yum --help")[0] == 0:
package_count_status = agent_util.SUPPORTED
else:
package_count_msg = "Insufficient permission - enable sudo access to yum for agent user"
else:
package_date_msg = "Unsupported platform"
package_count_msg = "Unsupported platform"
self.log.info("Unsupported platform")
return {}
metadata = {
"packages.security": {
"label": "Security-related packages waiting to be updated",
"options": None,
"status": package_count_status,
"error_message": package_count_msg,
"unit": "",
"option_string": False
},
"packages.nonsecurity": {
"label": "Non-security-related packages waiting to be updated",
"options": None,
"status": package_count_status,
"error_message": package_count_msg,
"unit": "",
"option_string": False
},
"packages.lastupdated": {
"label": "Days since the last package update was run",
"options": None,
"status": package_date_status,
"error_message": package_date_msg,
"unit": "",
"option_string": False
},
"packages.check_installation": {
"label": "Check for Package installation",
"options": None,
"status": package_date_status,
"error_message": package_date_msg,
"unit": "",
"option_string": True
}
}
return metadata
def check(self, textkey, data, config={}):
if IS_DEBIAN:
if textkey in ['packages.security', 'packages.nonsecurity']:
try: import apt_check
except: return 0
if agent_util.execute_command("sudo /usr/bin/apt-get update")[0] != 0: return 0
upgrades, security_updates = apt_check.check()
if textkey == 'packages.security':
return security_updates
else:
return upgrades
if textkey == 'packages.security':
return security_updates
else:
return upgrades
elif textkey == 'packages.lastupdated':
# Get list of apt history log files, from newest to oldest, search each one til we find an update
files = agent_util.execute_command("ls -t /var/log/apt/history*")[1].strip().split('\n')
for f in files:
lines = agent_util.execute_command("zgrep -A 1 Upgrade %s | tail -n 2" % f)[1].strip().split('\n')
if len(lines) >= 2:
d = lines[-1].split(' ')[1]
d = datetime.strptime(d, "%Y-%m-%d")
age = (datetime.now() - d).days
return max(age, 0)
# if we got here, we didn't find anything. Return -1 as a marker
return -1
elif textkey == 'packages.check_installation':
if data:
command = "dpkg-query -l %s" % data.strip()
if agent_util.execute_command(command)[0] != 0: return 0
else: return 1
elif IS_REDHAT:
if textkey in ['packages.security', 'packages.nonsecurity']:
retcode, output = agent_util.execute_command("sudo yum check-update --security")
if '\n\n' not in output: num_sec_packages = 0
else: num_sec_packages = len(output.split('\n\n')[-1].split('\n'))
if textkey == 'packages.security':
return num_sec_packages
else:
retcode, output = agent_util.execute_command("sudo yum check-update")
if '\n\n' not in output: num_packages = 0
else: num_packages = len(output.split('\n\n')[-1].split('\n'))
return max(0, num_packages - num_sec_packages)
elif textkey == 'packages.lastupdated':
# Get list of apt history log files, from newest to oldest, search each one til we find an update
files = agent_util.execute_command("ls -t /var/log/yum.log*")[1].strip().split('\n')
for f in files:
lines = agent_util.execute_command("sudo zgrep -A 1 Updated: %s | tail -n 1" % f)[1].strip().split('\n')
if len(lines) >= 1:
d = lines[-1][:6]
d = datetime.strptime(d, "%b %d").replace(year=date.today().year)
if d > datetime.now(): d = d.replace(year=date.today().year-1)
age = (datetime.now() - d).days
return max(age, 0)
elif textkey == 'packages.check_installation':
if data:
command = "rpm -qi %s" % data.strip()
if agent_util.execute_command(command)[0] != 0: return 0
else: return 1
# if we got here, we didn't find anything. Return -1 as a marker
return -1
# If we get here, we aren't running on a system where we can actually determine what's available.
# Default to zero.
return 0
def get_metadata(self, config):
status = agent_util.SUPPORTED
msg = None
self.log.info("looking for apache2ctl")
apache_bin = agent_util.which("apache2ctl")
if not apache_bin:
self.log.info("couldn't find apache2ctl, looking for apachectl")
apache_bin = agent_util.which("apachectl")
if not apache_bin:
self.log.info("couldn't find apachectl or apache2ctl")
status = agent_util.UNSUPPORTED
msg = "Couldn't find apachectl or apache2ctl"
return {}
if 'freebsd' in platform:
if not agent_util.which("lynx"):
status = agent_util.MISCONFIGURED
msg = "Lynx required."
if status is agent_util.SUPPORTED:
ret, output = agent_util.execute_command("%s status" % apache_bin)
if config.get("debug", False):
self.log.info('#####################################################')
self.log.info("Apache command '%s status' output:" % apache_bin)
self.log.info(output)
self.log.info('#####################################################')
if ret != 0 or "Can't load" in output or "failed" in output or "not found" in output:
self.log.error("couldn't get apache status")
status = agent_util.MISCONFIGURED
msg = "Couldn't get apache status, make sure Apache is running and the status module is enabled"
metadata = {
"apache.workers_used": {
"label": "Workers - percent serving requests",
"options": None,
"status": status,
"error_message": msg,
"unit": "%"
},
"apache.workers_idle": {
"label": "Workers - percent idle",
"options": None,
"status": status,
"error_message": msg,
"unit": "%"
},
"apache.workers_used_count": {
"label": "Workers - count serving requests",
"options": None,
"status": status,
"error_message": msg,
"unit": "workers"
},
"apache.workers_idle_count": {
"label": "Workers - count idle",
"options": None,
"status": status,
"error_message": msg,
"unit": "workers"
},
"apache.uptime": {
"label": "Server uptime",
"options": None,
"status": status,
"error_message": msg,
"unit": "seconds"
}
}
# other require an extended status enabled
if self.get_data("apache.total_accesses") == None:
ret, output = agent_util.execute_command("%s -V" % apache_bin)
match = re.search("HTTPD_ROOT=\"(.+?)\"", output)
try: server_root = match.group(1)
except: server_root = ""
match = re.search("SERVER_CONFIG_FILE=\"(.+?)\"", output)
try: server_config_file = os.path.join(server_root, match.group(1))
except: server_config_file = "Apache server config file"
status = agent_util.MISCONFIGURED
msg = "Enable 'ExtendedStatus On' in %s" % server_config_file
metadata.update({
"apache.total_accesses": {
"label": "Request count",
"options": None,
"status": status,
"error_message": msg,
"unit": "requests"
},
"apache.total_traffic": {
"label": "Total content served",
"options": None,
"status": status,
"error_message": msg,
"unit": "MB"
},
"apache.cpu_load": {
"label": "Percentage of CPU used by all workers",
"options": None,
"status": status,
"error_message": msg,
"unit": None
},
"apache.connections": {
"label": "Requests per second",
"options": None,
"status": status,
"error_message": msg,
"unit": "requests"
},
"apache.transfer_rate": {
"label": "Transfer rate",
"options": None,
"status": status,
"error_message": msg,
"unit": "MB/s"
},
"apache.avg_request_size": {
"label": "Request size average",
"options": None,
"status": status,
"error_message": msg,
"unit": "MB"
}
})
return metadata
def get_data(self, textkey):
apache_bin = agent_util.which("apache2ctl")
self.log.debug("apache_bin: %s" % str(apache_bin))
if not apache_bin: apache_bin = agent_util.which("apachectl", exc=True)
ret, output = agent_util.execute_command("%s status" % apache_bin)
if textkey == "apache.uptime":
if output.find("Server uptime: ") == -1: return None
output = output[output.index("Server uptime: "):]
uptime = output[:output.index("\n")].replace("Server uptime: ", "").strip()
uptime = uptime.replace(" seconds", "*1").replace(" second", "*1") \
.replace(" minutes", "*60").replace(" minute", "*60") \
.replace(" hours", "*60*60").replace(" hour", "*60*60") \
.replace(" days", "*60*60*24").replace(" day", "*60*60*24") \
.replace(" ", "+")
uptime = eval(uptime)
return uptime
elif textkey in ("apache.total_accesses", "apache.total_traffic"):
for line in output.lower().split('\n'):
if "total accesses" in line:
fields = line.split()
accesses = int(fields[2])
traffic = float(fields[-2])
units = fields[-1]
# Convert from various units to megabytes
if units == 'b': traffic = traffic / (1024 * 1024)
elif units == 'kb': traffic = traffic / 1024
elif units == 'gb': traffic = traffic * 1024
elif units == 'tb': traffic = traffic * 1024 * 1024
if textkey == "apache.total_accesses": return accesses
else: return traffic
return None
elif textkey == "apache.cpu_load":
for line in output.lower().split('\n'):
if "cpu usage" in line:
fields = line.split()
cpu_load = float(fields[-3].rstrip('%'))
return cpu_load
return None
elif textkey in ("apache.connections", "apache.transfer_rate", "apache.avg_request_size"):
for line in output.lower().split('\n'):
if "requests/sec" in line:
fields = line.split()
if textkey == "apache.connections":
return float(fields[0])
elif textkey == "apache.transfer_rate":
value = float(fields[3])
units = fields[4].split('/')[0]
if units == 'b': value = value / (1024 * 1024)
elif units == 'kb': value = value / 1024
elif units == 'gb': value = value * 1024
elif units == 'tb': value = value * 1024 * 1024
return value
elif textkey == "apache.avg_request_size":
value = float(fields[-2])
units = fields[-1].split('/')[0]
if units == 'b': value = value / (1024 * 1024)
elif units == 'kb': value = value / 1024
elif units == 'gb': value = value * 1024
elif units == 'tb': value = value * 1024 * 1024
return value
elif textkey in ("apache.workers_used", "apache.workers_idle", "apache.workers_used_count", "apache.workers_idle_count"):
for line in output.lower().split('\n'):
if "requests currently being processed" in line:
fields = line.split()
workers = int(fields[0])
idle = int(fields[-3])
total = workers + idle
if total == 0: return 0
if textkey == "apache.workers_used":
return float(100. * workers / total)
elif textkey == "apache.workers_idle":
return float(100. * idle / total)
elif textkey == "apache.workers_used_count":
return workers
elif textkey == "apache.workers_idle_count":
return idle
return None
