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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙimport agent_util import os import re import sys import socket from agent_util import float def search_esxtop(headers, search_string): for idx, column in enumerate(headers): if search_string in column: return idx return None class MemoryUsagePlugin(agent_util.Plugin): textkey = "memory" label = "Memory" # adding minimum RAM and swap usage min_ram = 0 min_swap = 0 @staticmethod def _parse_sysctl(stdout): lines = stdout.split("\n") sysctl = {} for line in lines: m = re.search(r"^(.+?)\s*:\s*(.+)$", line) if not m: continue k = str(m.group(1)) v = m.group(2) if v.isdigit(): v = int(v) sysctl[k] = v return sysctl @classmethod def get_metadata(self, config): if "freebsd" in sys.platform: sysctl = agent_util.which("sysctl") status = agent_util.SUPPORTED msg = None if not 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) for key in required_keys: if key not in d.keys(): status = agent_util.UNSUPPORTED msg = "could not find all the required sysctl keys" break 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 "darwin" in sys.platform: status = agent_util.SUPPORTED msg = "" 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_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_wired": { "label": "RAM wired (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", }, } return data elif "aix" in sys.platform: status = agent_util.SUPPORTED msg = None # Figure out how much memory we have retcode, output = agent_util.execute_command("svmon -O,unit=KB") output = output.split("\n") max_ram = None max_swap = None for line in output: if line.startswith("memory"): parts = line.split() # max ram in kb max_ram = int(parts[1]) if line.startswith("pg space"): parts = line.split() max_swap = int(parts[2]) data = { "ram.percent": { "label": "RAM percent usage", "options": None, "status": status, "error_message": msg, "min_value": 0, "max_value": 100, }, "ram.kb_used": { "label": "RAM used (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": max_ram, }, "swap.percent": { "label": "Swap percent usage", "options": None, "status": status, "error_message": msg, "min_value": 0, "max_value": 100, }, "swap.kb_used": { "label": "Swap used (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": max_swap, }, } return data elif "sunos" in sys.platform: status = agent_util.SUPPORTED msg = None # Figure out how much memory we have max_ram = None retcode, output = agent_util.execute_command("/usr/sbin/prtconf") output = output.split("\n") for line in output: if "Memory" not in line: continue fields = line.split() max_ram = int(fields[2]) * 1024 data = { "ram.percent": { "label": "RAM percent usage", "options": None, "status": status, "error_message": msg, "min_value": 0, "max_value": 100, }, "ram.kb_used": { "label": "RAM used (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": max_ram, }, } return data elif "vmware" in sys.platform: # Default Linux logic status = agent_util.SUPPORTED msg = None ret, mem_str = agent_util.execute_command( "esxcli hardware memory get | grep 'Physical Memory'" ) if ret == 0: ram_total = (float(mem_str.split(":")[1].split()[0]) / 1024) / 1024 else: status = agent_util.MISCONFIGURED msg = "ERROR RUNNING ESXCLI: %s" % mem_str data = { "ram.percent": { "label": "RAM percent usage", "options": None, "status": status, "error_message": msg, "min_value": 0, "max_value": 100, }, "ram.mb_used": { "label": "RAM used (MB)", "options": None, "status": status, "error_message": msg, "unit": "mB", "min_value": 0, "max_value": ram_total, }, } return data elif "hp-ux" in sys.platform: status = agent_util.SUPPORTED msg = None ret, output = agent_util.execute_command("swapinfo -ta") max_ram = None max_swap = None for line in output: if line.startswith("memory"): parts = line.split() # max ram in kb max_ram = int(parts[1]) if line.startswith("dev"): parts = line.split() max_swap = int(parts[1]) data = { "ram.percent": { "label": "RAM percent usage", "options": None, "status": status, "error_message": msg, "min_value": 0, "max_value": 100, }, "ram.kb_used": { "label": "RAM used (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": max_ram, }, "swap.percent": { "label": "Swap percent usage", "options": None, "status": status, "error_message": msg, "min_value": 0, "max_value": 100, }, "swap.kb_used": { "label": "Swap used (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": max_swap, }, } 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." # Get memory info to find max values lines = open("/proc/meminfo", "r").readlines() usage_info = {} for line in lines: line = line.strip() m = re.match(r"^(?P.+?):\s+(?P\d+)", line) usage_info[m.group("key")] = int(m.group("value")) ram_total = usage_info.get("MemTotal", 0) swap_total = usage_info.get("SwapTotal", 0) data = { "ram.percent": { "label": "RAM percent usage", "options": None, "status": status, "error_message": msg, "min_value": 0, "max_value": 100, }, "ram.kb_used": { "label": "RAM used (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": ram_total, }, "ram.kb_buffer": { "label": "RAM buffer (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": ram_total, }, "swap.percent": { "label": "Swap percent usage", "options": None, "status": status, "error_message": msg, "unit": "percent", "min_value": 0, "max_value": 100, }, "swap.kb_used": { "label": "Swap used (Kb)", "options": None, "status": status, "error_message": msg, "min_value": 0, "max_value": swap_total, }, "ram.kb_active": { "label": "RAM active (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": ram_total, }, "ram.kb_inactive": { "label": "RAM inactive (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": ram_total, }, "ram.kb_cached": { "label": "RAM cached (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": ram_total, }, "swap.kb_cached": { "label": "Swap cached (kB)", "options": None, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": ram_total, }, } return data def check(self, textkey, data, config): sysctl = agent_util.which("sysctl") if "freebsd" in sys.platform: mem_info = {} ret, output = agent_util.execute_command(sysctl + " -a") d = self._parse_sysctl(output) buffsize = d["vfs.bufspace"] pagesize = d["hw.pagesize"] total = d["hw.physmem"] inactive = d["vm.stats.vm.v_inactive_count"] * pagesize active = d["vm.stats.vm.v_active_count"] * pagesize cache = d["vm.stats.vm.v_cache_count"] * pagesize free = d["vm.stats.vm.v_free_count"] * pagesize avail = inactive + cache + free used = total - avail self.log.debug("buffsize %s" % str(buffsize)) self.log.debug("pagesize %s" % str(pagesize)) self.log.debug("total %s" % str(total)) self.log.debug("inactive %s" % str(inactive)) self.log.debug("active %s" % str(active)) self.log.debug("cache %s" % str(cache)) self.log.debug("free %s" % str(free)) self.log.debug("avail %s" % str(avail)) self.log.debug("used %s" % str(used)) mem_info["ram.kb_used"] = used / 1024.0 if total > 0: mem_info["ram.percent"] = (float(used) / total) * 100.0 else: mem_info["ram.percent"] = 0.0 mem_info["ram.kb_active"] = active / 1024.0 mem_info["ram.kb_inactive"] = inactive / 1024.0 mem_info["ram.kb_cached"] = cache / 1024.0 mem_info["ram.kb_buffer"] = buffsize / 1024.0 # total installed RAM in KB ram_max = int(total) / 1024 return mem_info[textkey] elif "darwin" in sys.platform: vmstat = agent_util.which("vm_stat") ret, output = agent_util.execute_command(vmstat) pageSize = None pageToken = "Mach Virtual Memory Statistics:" vm_data = {} for line in output.split("\n"): if line.startswith(pageToken): try: pageSize = int(line[len(pageToken) :].split()[-2]) self.log.debug("Memory page size -> {}".format(pageSize)) except Exception as e: pass elif ":" in line: try: key, val = line.split(":", 1) val = float(val.strip()) vm_data[key] = val except: pass if pageSize is None: self.log.error("Could not compute page size") return None kbMultiplier = float(pageSize / 1024) wired = vm_data.get("Pages wired down", 0) * kbMultiplier active = vm_data.get("Pages active", 0) * kbMultiplier inactive = vm_data.get("Pages inactive", 0) * kbMultiplier free = vm_data.get("Pages free", 0) * kbMultiplier if textkey == "ram.kb_used": return wired + active elif textkey == "ram.kb_active": return active elif textkey == "ram.kb_inactive": return inactive elif textkey == "ram.kb_wired": return wired elif textkey == "ram.percent": return 100.0 * (wired + active) / (wired + active + inactive + free) return None elif "aix" in sys.platform: retcode, output = agent_util.execute_command("svmon -O,unit=KB") output = output.split("\n") self.log.debug("svmon output: %s" % output) for line in output: if line.startswith("memory"): parts = line.split() # max ram in kb max_ram = int(parts[1]) if textkey == "ram.percent": return 100.0 * int(parts[5]) / int(parts[1]) elif textkey == "ram.kb_used": # svmon -G returns counts in 4096 byte pages return int(parts[2]) if line.startswith("pg space"): parts = line.split() if textkey == "swap.percent": return 100.0 * int(parts[3]) / int(parts[2]) elif textkey == "swap.kb_used": # svmon -G returns counts in 4096 byte pages return int(parts[3]) # Unknown AIX textkey return None elif "sunos" in sys.platform: retcode, output = agent_util.execute_command( "prstat -s rss 1 1 | awk '{print $4}'" ) output = output.split("\n") kb_used = 0 for line in output: if "RSS" in line or not line: continue if "G" in line: used = line.strip("M") kb_used += (int(used) * 1024) * 1024 elif "M" in line: used = line.strip("M") kb_used += int(used) * 1024 elif "K" in line: used = line.strip("K") kb_used += int(used) retcode, output = agent_util.execute_command("/usr/sbin/prtconf") output = output.split("\n") for line in output: if "Memory" not in line: continue fields = line.split() kb_total = int(fields[2]) * 1024 # setting this to its own var in case we do something funky with kb_total or reset it somehwere max_ram = kb_total kb_free = kb_total - kb_used if textkey == "ram.percent": return 100.0 * (1.0 - float(kb_free) / float(kb_total)) elif textkey == "ram.kb_used": return kb_used # Unknown Solaris textkey return None elif "vmware" in sys.platform: hostname = socket.gethostname() ret, mem_str = agent_util.execute_command( "esxcli hardware memory get | grep 'Physical Memory'", cache_timeout=agent_util.DEFAULT_CACHE_TIMEOUT, ) if ret == 0: mb_total = (int(mem_str.split(":")[1].split()[0]) / 1024) / 1024 self.log.debug("Found %s MB of RAM installed" % mb_total) ret, out = agent_util.execute_command( "esxtop -b -n 2 -d 2", cache_timeout=agent_util.DEFAULT_CACHE_TIMEOUT ) out_list = out.split("\n") headers = out_list[0].replace('"', "").split(",") data = [] for idx, val in enumerate(out_list[::1]): if not val or val == "": continue data = out_list[idx].replace('"', "").split(",") mb_free_search = r"\\\\%s\Memory\Free MBytes" % hostname self.log.debug("Searching VMware for %s" % mb_free_search) mb_free_idx = search_esxtop(headers, mb_free_search) if mb_free_idx: self.log.debug("VMware free memory index %s" % mb_free_idx) mb_free = float(data[mb_free_idx]) else: self.log.error("Unable to find RAM info from esxcli output") return None if textkey == "ram.mb_used": return mb_total - mb_free if textkey == "ram.percent": return ((mb_total - mb_free) / mb_total) * 100.0 if "hp-ux" in sys.platform: ret, out = agent_util.execute_command("swapinfo -ta") usage_info = {} for line in out.splitlines(): if line.startswith("dev"): l = line.split() self.log.debug("Swap: %s" % l) usage_info["swap.kb_used"] = float(l[2]) if l[2] == 0 or l[2] == "-": usage_info["swap.percent"] = 0 else: usage_info["swap.percent"] = (float(l[2]) / float(l[1])) * 100.0 if line.startswith("memory"): l = line.split() self.log.debug("RAM: %s" % l) usage_info["ram.kb_used"] = float(l[2]) usage_info["ram.percent"] = (float(l[2]) / float(l[1])) * 100.0 return usage_info.get(textkey, None) else: # Default Linux logic lines = open("/proc/meminfo", "r").readlines() usage_info = {} mem_info = {} for line in lines: line = line.strip() m = re.match(r"^(?P.+?):\s+(?P\d+)", line) usage_info[m.group("key")] = int(m.group("value")) ram_buffer = usage_info.get("Buffers", 0) ram_cached = usage_info.get("Cached", 0) ram_active = usage_info.get("Active", 0) ram_available = usage_info.get("MemAvailable", 0) ram_inactive = usage_info.get("Inactive", 0) ram_total = usage_info.get("MemTotal", 0) if config.get("percent_usage_override"): ram_free = usage_info.get("MemFree", 0) elif "MemAvailable" in usage_info: ram_free = ram_available else: ram_free = usage_info.get("MemFree", 0) + ram_buffer + ram_cached ram_used = ram_total - ram_free # setting max_ram to its own var in case we do something funky with ram_total later max_ram = ram_total mem_info["ram.kb_buffer"] = ram_buffer mem_info["ram.kb_used"] = ram_used if ram_total > 0: mem_info["ram.percent"] = (float(ram_used) / ram_total) * 100.0 else: mem_info["ram.percent"] = 0.0 mem_info["ram.kb_active"] = ram_active mem_info["ram.kb_inactive"] = ram_inactive mem_info["ram.kb_cached"] = ram_cached swap_cached = usage_info.get("SwapCached", 0) swap_total = usage_info.get("SwapTotal", 0) swap_free = usage_info.get("SwapFree", 0) swap_used = swap_total - swap_free # including max amount of swap as well b/c we calc a percentage on that as well max_swap = swap_total mem_info["swap.kb_used"] = swap_used if swap_total > 0: mem_info["swap.percent"] = (float(swap_used) / swap_total) * 100.0 else: mem_info["swap.percent"] = 0.0 mem_info["swap.kb_cached"] = swap_cached self.log.debug("ram_total %s" % str(ram_total)) self.log.debug("ram_free %s" % str(ram_free)) self.log.debug("ram_active %s" % str(ram_active)) self.log.debug("ram_inactive %s" % str(ram_inactive)) self.log.debug("ram_cached %s" % str(ram_cached)) self.log.debug("swap_total %s" % str(swap_total)) self.log.debug("swap_free %s" % str(swap_free)) self.log.debug("swap_used %s" % str(swap_used)) self.log.debug("swap_cached %s" % str(swap_cached)) return mem_info[textkey]