s4z /
plumd
| @@ 65-123 (lines=59) @@ | ||
| 62 | return plumd.ResultSet(self.check()) |
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| 63 | ||
| 64 | ||
| 65 | def check(self): |
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| 66 | """Return detailed network statitistics proc file net/netstat. |
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| 67 | ||
| 68 | Note: add entries to the configuration value 'proc_netstat_record' |
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| 69 | to record them. See /proc/net/netstat for a list of available metrics. |
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| 70 | ||
| 71 | Note: ECT1Pkts and ECT0Pkts relate to ECT congestion notifications. |
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| 72 | ||
| 73 | :rtype: plumd.Result |
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| 74 | """ |
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| 75 | # what metrics do we want to record? |
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| 76 | record = self.config.get('proc_netstat_record') |
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| 77 | result = plumd.Result("netstat") |
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| 78 | ||
| 79 | # read the proc file |
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| 80 | dat = None |
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| 81 | with open(self.proc_file, 'r') as f: |
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| 82 | try: |
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| 83 | dat = f.read().strip().split("\n") |
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| 84 | except Exception as e: |
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| 85 | self.log.error("failed to read {0}".format(self.proc_file)) |
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| 86 | return result |
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| 87 | ||
| 88 | # timestamp for Differential calculations |
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| 89 | ts = time.time() |
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| 90 | ||
| 91 | # should always have a header row and value row, ie. divisible by 2 |
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| 92 | if len(dat) % 2 != 0: |
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| 93 | self.log.error("netstat: cannot parse {0}".format(self.proc_file)) |
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| 94 | return result |
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| 95 | ||
| 96 | # split values into lists |
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| 97 | dlist = deque() |
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| 98 | for entry in dat: |
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| 99 | dlist.append(entry.split()) |
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| 100 | ||
| 101 | # put lists into key: value dict |
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| 102 | metrics = {} |
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| 103 | while dlist: |
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| 104 | headers = dlist.popleft() |
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| 105 | values = dlist.popleft() |
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| 106 | # { 'IpExt': {'InNoRoutes': 0, ...} } - [:-1] on IpExt: removes : |
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| 107 | metrics[headers[0][:-1]] = dict(zip(headers, values)) |
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| 108 | ||
| 109 | # now, we have a list of items to record, just need to record them |
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| 110 | for ext, mnames in record.items(): |
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| 111 | if ext not in metrics: |
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| 112 | self.log.warn("netstat: unknown extension: {0}".format(ext)) |
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| 113 | continue |
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| 114 | values = metrics[ext] |
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| 115 | for mname in mnames: |
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| 116 | if mname in values: |
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| 117 | mstr = "{0}.{1}".format(ext, mname) |
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| 118 | mval = self.calc.per_second(mstr, int(values[mname]), ts) |
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| 119 | result.add(plumd.Int(mstr, mval)) |
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| 120 | else: |
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| 121 | self.log.warn("netstat: unknown metric {0}".format(mname)) |
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| 122 | ||
| 123 | return [result] |
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| 124 | ||
| @@ 68-125 (lines=58) @@ | ||
| 65 | return plumd.ResultSet(self.check()) |
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| 66 | ||
| 67 | ||
| 68 | def check(self): |
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| 69 | """Return network protocol metrics from proc file net/snmp. |
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| 70 | ||
| 71 | Add entries to the configuration value 'skip_proc_net_snmp' to skip |
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| 72 | metrics. |
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| 73 | ||
| 74 | Add entries to the configuration value 'net_snmp_items' to match the |
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| 75 | format/order of the proc file net/snmp entries on the system. |
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| 76 | ||
| 77 | :rtype: plumd.Result |
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| 78 | """ |
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| 79 | record = self.config.get('proc_netsnmp_record') |
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| 80 | result = plumd.Result("net_snmp") |
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| 81 | ||
| 82 | # read the proc file |
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| 83 | dat = None |
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| 84 | with open(self.proc_file, 'r') as f: |
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| 85 | try: |
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| 86 | dat = f.read().strip().split("\n") |
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| 87 | except Exception as e: |
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| 88 | self.log.error("failed to read {0}".format(self.proc_file)) |
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| 89 | return result |
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| 90 | ||
| 91 | # timestamp for Differential calculations |
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| 92 | ts = time.time() |
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| 93 | ||
| 94 | # should always have a header row and value row, ie. divisible by 2 |
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| 95 | if len(dat) % 2 != 0: |
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| 96 | self.log.error("netsnmp: cannot parse {0}".format(self.proc_file)) |
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| 97 | return result |
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| 98 | ||
| 99 | # split values into lists |
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| 100 | dlist = deque() |
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| 101 | for entry in dat: |
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| 102 | dlist.append(entry.split()) |
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| 103 | ||
| 104 | # put lists into key: value dict |
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| 105 | metrics = {} |
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| 106 | while dlist: |
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| 107 | headers = dlist.popleft() |
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| 108 | values = dlist.popleft() |
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| 109 | # { 'IpExt': {'InNoRoutes': 0, ...} } - [:-1] on IpExt: removes : |
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| 110 | metrics[headers[0][:-1]] = dict(zip(headers, values)) |
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| 111 | ||
| 112 | # now, we have a list of items to record, just need to record them |
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| 113 | for proto, mnames in record.items(): |
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| 114 | if proto not in metrics: |
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| 115 | self.log.warn("netsnmp: unknown protocol: {0}".format(proto)) |
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| 116 | continue |
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| 117 | values = metrics[proto] |
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| 118 | for mname in mnames: |
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| 119 | if mname in values: |
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| 120 | mstr = "{0}.{1}".format(proto, mname) |
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| 121 | mval = self.calc.per_second(mstr, int(values[mname]), ts) |
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| 122 | result.add(plumd.Int(mstr, mval)) |
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| 123 | else: |
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| 124 | self.log.warn("netstat: unknown metric {0}".format(mname)) |
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| 125 | return [result] |
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| 126 | ||
