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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 sys import os import platform from agent_util import float import json NETWORK_FS = ["ncpfs", "nfs", "ntfs", "smb", "vfat", "smb2", "cifs", "nfs4"] # Timeout after 10 seconds, so we don't get hung on remote filesystems TIMEOUT_LIMIT = 10 def get_findmnt_cmd(extra_args=""): timeout = "" if agent_util.which("timeout"): timeout = "timeout %s " % TIMEOUT_LIMIT return "%sfindmnt --fstab --df --bytes --raw --evaluate --all %s" % ( timeout, extra_args, ) def get_df_cmd(extra_arg=""): timeout = "" if agent_util.which("timeout"): timeout = "timeout %s " % TIMEOUT_LIMIT df_cmd = "df -PkT" if "vmware" in sys.platform: df_cmd = "df -kT" elif "sunos" in sys.platform: df_cmd = "df -kt" elif "darwin" in sys.platform or "aix" in sys.platform or "freebsd" in sys.platform: df_cmd = "df -Pk" return "%s%s %s" % (timeout, df_cmd, extra_arg) def get_idf_cmd(extra_arg=""): timeout = "" if agent_util.which("timeout"): timeout = "timeout %s " % TIMEOUT_LIMIT idf_cmd = "df -iPT" if "sunos" in sys.platform or "vmware" in sys.platform: idf_cmd = "df -iT" elif "aix" == sys.platform: idf_cmd = "df -ik" elif "darwin" == sys.platform or "freebsd" in sys.platform: idf_cmd = "df -Pik" return "%s%s %s" % (timeout, idf_cmd, extra_arg) class DiskDFParser: def __init__(self, log, config): self.log = log self.device_ignore_list = ( "tmpfs", "devtmpfs", "none", "proc", "swap", "devices", "cgroup", "/dev/loop", ) self.mountpoint_excludes = () cfg_device_list = config.get("device_ignore_list", None) if cfg_device_list is not None: self.device_ignore_list = self.parse_ignore_list(cfg_device_list) if "aix" in sys.platform or "sunos" in sys.platform: self.device_ignore_list = self.device_ignore_list + ( "/proc", "/swap", "/ahafs", ) if "darwin" == sys.platform: self.mountpoint_excludes = ("/Library/Developer/CoreSimulator/Volumes",) mpe = config.get("mountpoint_excludes", None) if mpe is not None: self.mountpoint_excludes = self.parse_ignore_list(mpe) def __str__(self): return "Disk df parser" def parse_ignore_list(self, device_list): try: dl_type = type(device_list) if type(tuple) == dl_type: return device_list if type("") == dl_type: if "(" in device_list and ")" in device_list: device_list_items = ( device_list.replace("(", "").replace(")", "").split(",") ) items = [d.strip().strip('"') for d in device_list_items] return tuple(items) except: self.log.error("Error parsing device list {}".format(device_list)) return () def parse_df_output(self, output): outlines = output.splitlines() headers = self.build_header_data(outlines[0]) df_table = {} for df_line in outlines[1:]: df_line = df_line.strip().split() mount_point = None mount_point_idx = headers.get("mounted on", None) if mount_point_idx: mount_point = " ".join(df_line[mount_point_idx:]) if not mount_point: self.log.warning("No mount point in {}".format(df_line)) continue df_table[mount_point] = {} for entry in headers.keys(): val = df_line[headers[entry]] if "mounted on" == entry: val = mount_point df_table[mount_point][entry] = val return df_table def build_header_data(self, header_line): hdr_idx = 0 headers = {} for hdr in header_line.split(): # # For lines that end with 'Mounted on' - skip the last split # hdr = hdr.lower() if "on" == hdr: continue if "mounted" == hdr: hdr = "mounted on" if hdr in ["iuse%", "%iused"]: hdr = "iuse_pct" elif hdr in ["available", "avail"]: hdr = "available" headers[hdr] = hdr_idx hdr_idx += 1 return headers def get_device_data(self, output, key_map, custom_network_fs): df_table = self.parse_df_output(output) devices = [] max_disk = {} for mountpoint_table in df_table.values(): try: device_key = key_map.get("device") device = mountpoint_table[device_key] fs_type_key = key_map.get("fs_type") filesystem = mountpoint_table.get(fs_type_key, "") skip_device = False for test_device in self.device_ignore_list: if device.startswith(test_device) or filesystem.startswith( test_device ): self.log.debug("Skipping metadata for device %s" % device) skip_device = True break if skip_device: continue mounted_key = key_map.get("mountpoint") mounted = mountpoint_table.get(mounted_key, None) if not mounted: continue skip_mp = False for mp in self.mountpoint_excludes: if mounted.startswith(mp): self.log.debug("Skipping mountpoint {}".format(mounted)) skip_mp = True break if skip_mp: continue desc = "%s mounted at %s" % (device, mounted) devices.append( { "device": device, "mountpoint": mounted, "filesystem": filesystem, "resource": desc, "is_network": filesystem in NETWORK_FS or filesystem in custom_network_fs, } ) available_key = key_map.get("available") available = mountpoint_table.get(available_key, None) if available is not None: max_disk[desc] = available except: self.log.error("Unable to parse df output") continue return devices, max_disk class DiskUsagePlugin(agent_util.Plugin): textkey = "disk" label = "Disk" darwin_fstype_excludes = "nullfs,nodev,devfs,autofs" # adding min for disk usage min_capacity = 0 if "AIX" in os.uname(): sys.platform = "aix" @classmethod def dump_disk_output(self, config, cmd, raw_output): if config.get("debug", False): self.log.debug("#####################################################") self.log.debug("Disk command '%s' output :" % cmd) self.log.debug(raw_output) self.log.debug("#####################################################") @classmethod def get_metadata(self, config): status = agent_util.SUPPORTED msg = None if not agent_util.which("df", exc=False): self.log.warning("df binary not found") status = agent_util.UNSUPPORTED if agent_util.SUPPORTED != status: return {} # See if there are custom DF flags specified in the config file extra_df_arg = self.gather_extra_df_arg(config=config) # See if the config file specifies to use findmnt to identify expected disks use_findmnt = config.get("use_findmnt") and agent_util.which("findmnt") extra_findmnt_arg = config.get("extra_findmnt_arg", "") custom_network_fs = config.get("network_fs", []) if custom_network_fs: custom_network_fs = custom_network_fs.split(",") table_keys = { "device": "filesystem", "fs_type": "type", "mountpoint": "mounted on", "available": "available", } if use_findmnt: table_keys = { "device": "source", "fs_type": "fstype", "mountpoint": "target", "available": "avail", } block_query = get_findmnt_cmd(extra_findmnt_arg) inode_query = block_query else: block_query = get_df_cmd(extra_df_arg) inode_query = get_idf_cmd(extra_df_arg) parser = DiskDFParser(self.log, config) ret_code, block_result = agent_util.execute_command( block_query, cache_timeout=agent_util.DEFAULT_CACHE_TIMEOUT ) if 0 != ret_code: devices = [] max_disk = {} msg = "Command exit status {}".format(ret_code) self.log.error("{} exit status {}".format(block_query, ret_code)) status = agent_util.UNSUPPORTED else: self.dump_disk_output(config, block_query, block_result) devices, max_disk = parser.get_device_data( block_result, table_keys, custom_network_fs ) inode_status = agent_util.SUPPORTED idevices = [] imax_disk = {} inode_status_msg = None if "sunos" in sys.platform or "hp-ux" in sys.platform or "aix" in sys.platform: inode_status = agent_util.UNSUPPORTED inode_status_msg = "Unsupported on this platform" else: ret_code, inode_result = agent_util.execute_command( inode_query, cache_timeout=agent_util.DEFAULT_CACHE_TIMEOUT ) if 0 != ret_code: inode_status_msg = "Command exit status {}".format(ret_code) self.log.error("{} exit status {}".format(inode_query, ret_code)) inode_status = agent_util.UNSUPPORTED else: if not use_findmnt: table_keys["available"] = "ifree" self.dump_disk_output(config, inode_query, inode_result) idevices, imax_disk = parser.get_device_data( inode_result, table_keys, custom_network_fs ) options_schema = { "device": "string", "mountpoint": "string", "filesystem": "string", "resource": "string", "is_network": "boolean", } data = { "usage.percent_used": { "label": "Percentage of disk used", "options": devices, "options_schema": options_schema, "status": status, "error_message": msg, "unit": "percent", "min_value": 0, "max_value": 100, }, "usage.kb_available": { "label": "Disk space available", "options": devices, "options_schema": options_schema, "status": status, "error_message": msg, "unit": "kB", "min_value": 0, "max_value": max_disk, }, "filesystem.mounted": { "label": "Filesystem mounted", "options": devices, "options_schema": options_schema, "status": status, "error_message": msg, }, "inode.percent_used": { "label": "Inodes percent used", "options": idevices, "options_schema": options_schema, "status": inode_status, "error_message": inode_status_msg, "unit": "percent", "min_value": 0, "max_value": 100, }, "inode.used": { "label": "Inode used", "options": idevices, "options_schema": options_schema, "status": inode_status, "error_message": inode_status_msg, "unit": "Inodes", "min_value": 0, "max_value": imax_disk, }, "inode.available": { "label": "Inodes Available", "options": idevices, "options_schema": options_schema, "status": inode_status, "error_message": inode_status_msg, "unit": "Inodes", "min_value": 0, "max_value": imax_disk, }, } # no inodes for vmware to_del = [] if "vmware" in sys.platform: for k in data.keys(): if "inode" in k: to_del.append(k) for d in to_del: del data[d] return data def collect_vmware(self, textkey, mounted): ret, output = agent_util.execute_command( "stat -f %s" % mounted, cache_timeout=agent_util.DEFAULT_CACHE_TIMEOUT ) # make sure it's mounted first if ret != 0 and textkey != "filesystem.mounted": self.log.error("Unable to find disk %s, is it mounted?!" % mounted) self.log.error(output) return None elif ret != 0 and textkey == "filesystem.mounted": return 0 block_size = 0 metrics = {} for line in output.split("\n"): l = str(line).strip().lower() if l.startswith("file:") or l.startswith("id:"): continue elif l.startswith("block size:"): block_size = l.split()[-1] if l.startswith("blocks:"): try: btext, ttext, total_size, ftext, free_size, atext, avail_size = ( l.split() ) except: self.log.error("Unable to parse disk output!") self.log.error(output) return None metrics["usage.percent_used"] = 100.0 - ( (float(free_size) / float(total_size)) * 100 ) metrics["usage.kb_available"] = float(free_size) * float(block_size) return metrics[str(textkey)] @classmethod def gather_extra_df_arg(self, config): extra_df_arg = config.get("extra_df_arg", "") if "darwin" in sys.platform: configKey = "ignore_fstypes" ignores = self.darwin_fstype_excludes if config.get(configKey, None): ignores = "{},{}".format(ignores, config.get(configKey)) extra_df_arg = "{} -T no{}".format(extra_df_arg, ignores) return extra_df_arg def check(self, textkey, dev_mount, config): dev_mount = dev_mount.split() mounted = " ".join(dev_mount[3:]) extra_df_arg = self.gather_extra_df_arg(config) if "vmware" in sys.platform: return self.collect_vmware(textkey, mounted) is_inode_query = False if textkey.startswith("i"): df_cmd = get_idf_cmd(extra_df_arg) is_inode_query = True else: df_cmd = get_df_cmd(extra_df_arg) rc, output = agent_util.execute_command( df_cmd, cache_timeout=agent_util.DEFAULT_CACHE_TIMEOUT ) if 0 != rc: return None self.log.debug("%s output: %s" % (df_cmd, output)) parser = DiskDFParser(self.log, config) df_data = parser.parse_df_output(output) mountpoint_data = df_data.get(mounted, None) if not mountpoint_data: self.log.error("Mountpoint %r not found" % mounted) if textkey == "filesystem.mounted": return False return None def convert_capacity_field(capacity): if capacity is None: return None if capacity == "-": return 0 else: return int(capacity.rstrip("%")) if "filesystem.mounted" == textkey: return True if textkey in ["usage.percent_used", "inode.percent_used"]: key = "capacity" if is_inode_query: key = "iuse_pct" return convert_capacity_field(mountpoint_data.get(key, None)) key = None if "inode.used" == textkey: key = "iused" elif "inode.available" == textkey: key = "ifree" elif "usage.kb_available" == textkey: key = "available" if not key: return None mv = mountpoint_data.get(key, None) if mv is None: return None if "-" == mv: return 0 return int(mv)